Note: This page contains sample records for the topic dos bosques deciduos from Science.gov.
While these samples are representative of the content of Science.gov,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of Science.gov
to obtain the most current and comprehensive results.
Last update: November 12, 2013.
1

Proposed Bosque Del Apache Wilderness Area, New Mexico.  

National Technical Information Service (NTIS)

The report describes the proposal which recommends that approximately 32,500 acres within the Bosque del Apache National Wildlife Refuge in Socorro County, New Mexico, be designated as wilderness within the National Wilderness Preservation System. Since d...

1972-01-01

2

DOS basics  

SciTech Connect

DOS is an acronym for Disk Operating System. It is actually a set of programs that allows you to control your personal computer. DOS offers the capabilities to create and manage files; organize and maintain information placed on disks; use application programs such as WordPerfect, Lotus 123, Excel, Windows, etc. In addition, DOS provides the basic utilities needed to copy files from one area to another, delete files and list files. The latest version of DOS also offers more advanced features that include hard disk compression and memory management. Basic DOS commands are discussed.

O`Connor, P.

1994-09-01

3

Measuring variability in trophic status in the Lake Waco/Bosque River Watershed  

PubMed Central

Background Nutrient management in rivers and streams is difficult due to the spatial and temporal variability of algal growth responses. The objectives of this project were to determine the spatial and seasonal in situ variability of trophic status in the Lake Waco/Bosque River watershed, determine the variability in the lotic ecosystem trophic status index (LETSI) at each site as indicators of the system's nutrient sensitivity, and determine if passive diffusion periphytometers could provide threshold algal responses to nutrient enrichment. Methods We used the passive diffusion periphytometer to measure in-situ nutrient limitation and trophic status at eight sites in five streams in the Lake Waco/Bosque River Watershed in north-central Texas from July 1997 through October 1998. The chlorophyll a production in the periphytometers was used as an indicator of baseline chlorophyll a productivity and of maximum primary productivity (MPP) in response to nutrient enrichment (nitrogen and phosphorus). We evaluated the lotic ecosystem trophic status index (LETSI) using the ratio of baseline primary productivity to MPP, and evaluated the trophic class of each site. Results The rivers and streams in the Lake Waco/Bosque River Watershed exhibited varying degrees of nutrient enrichment over the 18-month sampling period. The North Bosque River at the headwaters (NB-02) located below the Stephenville, Texas wastewater treatment outfall consistently exhibited the highest degree of water quality impact due to nutrient enrichment. Sites at the outlet of the watershed (NB-04 and NB-05) were the next most enriched sites. Trophic class varied for enriched sites over seasons. Conclusion Seasonality played a significant role in the trophic class and sensitivity of each site to nutrients. Managing rivers and streams for nutrients will require methods for measuring in situ responses and sensitivities to nutrient enrichment. Nutrient enrichment periphytometers show significant potential for use in nutrient gradient studies.

Rodriguez, Angela D; Matlock, Marty D

2008-01-01

4

History of the Oral and Maxillofacial Surgery Residency Program at Universidad el Bosque, Bogotá, Colombia.  

PubMed

The formal training of oral and maxillofacial surgeons in Colombia started in 1958 at Hospital Sanjos6, thanks to the titanic work of Waldemar Wilhelm, a German-born surgeon who settled in BogotA in 1950. Today there are seven institutions in Colombia that offer residency programs in oral and maxillofacial surgery. The aim of this article is to describe the history of the Oral and Maxillofacial Surgery Residency Program at Universidad El Bosque in Bogota. PMID:22916408

Castro-Núñez, Jaime

5

The atmospheric extinction at the Complejo Astronomico EL Leoncito and the Bosque Alegre station  

NASA Astrophysics Data System (ADS)

The first- and second-order extinction coefficients in the UBVRI and DDO systems are derived for the first time at CASLEO. They define an extinction curve which is discussed in the framework of atmospheric absorption theory. From this curve the first-order extinction coefficients for the Washington and Stromgren systems are inferred. From a photometric point of view, CASLEO occupies a preferred place among the observatories of the world. A comparison of the UBV extinction coefficients obtained at Bosque Alegre with previous determinations supports the conclusion that the sky transparency at this station has deteriorated in the ultraviolet in the last years.

Minniti, D.; Claria, J. J.; Gomez, M. N.

1989-08-01

6

Acumulación de tierras, cambio socio-económico y movilidad espacial en los inmigrantes Wolof del bosque de Pata  

Microsoft Academic Search

A través de una migración que han emprendido desde 1978 en el bosque de Pata (sur de Senegal), los Wolof que han venido de Saloum han dado un nuevo giro a su vida. Los beneficios sacados del cultivo de cacahuete, al cual son particularmente apegados, les han permitido hacer varias realizaciones y algunas inversiones. Así, después del refuerzo de medios

Mamady Sidibe

2007-01-01

7

Preliminary studies on occurrence of monensin antibiotic in Bosque River Watershed.  

PubMed

Water quality impact due to excessive nutrients has been extensively studied. In recent years, however, micro-pollutants such as pharmaceuticals and hormonal products used in animal agriculture have added an additional impact to overall water quality. Pharmaceuticals used in the poultry, swine, beef, and dairy industries have been detected in various environmental matrices such as, soil, groundwater and surface water. In this study, 26 surface water samples were collected throughout the Bosque River Watershed (BRW) with samples representing a range of land use conditions and locations of major dairy operations. Samples were analyzed using commercially available Enzyme-Linked Immunosorbent Assay test. Of the 26 samples, three samples consistently tested positive for monensin antibiotic with concentration ranging from 0.30 to 3.41 microg/L. These three samples were collected from sites that received varying amount of agriculture wastes (11.7% to 31.3%) and located downstream from sites associated with moderate levels of animal agriculture. The preliminary results suggest that there is a potential for monensin occurrence in the BRW, although initial findings indicate only very low levels. PMID:23596945

Kurwadkar, Sudarshan; Sicking, Victoria; Lambert, Barry; McFarland, Anne; Mitchell, Forrest

2013-02-01

8

DISTRIBUCIÓN INVERNAL DE LOS MICROMAMÍFEROS EN BOSQUES FRAGMENTADOS DE LLANURA DEL CENTRO DE ESPAÑA  

Microsoft Academic Search

RESUMEN Este trabajo analiza los patrones de distribución y abundancia de las comunidades invernales de micromamíferos de dos áreas agrícolas de España central. Ambas áreas están constituidas por encinares Quercus ilex relictos y fragmentados dentro de una matriz agrícola. Los micromamíferos se muestrearon empleando trampas de foseta que estuvieron abiertas durante un ciclo lunar completo (28 noches en febrero-marzo de

J. M. DE ALBA; R. CARBONELL; C. L ALONSO; F. J. GARCÍA; M. DÍAZ

2001-01-01

9

¡Dos es mejor que uno!  

Center for Food Safety and Applied Nutrition (CFSAN)

Text Version... 4 Page 5. Termómetros para refrigerador ¡Un elemento fundamental para la seguridad alimentaria! ... 5 0º F ! ¡Dos es mejor que uno! ... More results from www.fda.gov/downloads/food/foodborneillnesscontaminants

10

DOS: a scalable optical switch for datacenters  

Microsoft Academic Search

This paper discusses the architecture and performance studies of Datacenter Optical Switch (DOS) designed for scalable and high-throughput interconnections within a data center. DOS exploits wavelength routing characteristics of a switch fabric based on an Arrayed Waveguide Grating Router (AWGR) that allows contention resolution in the wavelength domain. Simulation results indicate that DOS exhibits lower latency and higher throughput even

Xiaohui Ye; Yawei Yin; S. J. Ben Yoo; Paul Vincent Mejia; Roberto Proietti; Venkatesh Akella

2010-01-01

11

LP-DOS magnifies the PC screen  

Microsoft Academic Search

As a visually impaired computer user the author needed a simple solution that would allow him and others to see and use the vast range of PC text and graphics programs. He created LP-DOS (Large Print DOS). LP-DOS is a software package that can run on any PC or laptop. It can be used anywhere: business, home, or school. Once

D. Simkovitz

1992-01-01

12

Strains of the East Asian (W/Beijing) Lineage of Mycobacterium tuberculosis Are DosS/DosT-DosR Two-Component Regulatory System Natural Mutants? †  

PubMed Central

As part of our ongoing efforts to uncover the phenotypic consequences of genetic variability among clinical Mycobacterium tuberculosis isolates, we previously reported that isolates of the “East Asian” or “W/Beijing” lineage constitutively overexpress the coordinately regulated transcriptional program known as the DosR regulon under standard in vitro conditions. This phenotype distinguishes the W/Beijing lineage from all other M. tuberculosis lineages, which normally induce expression of this regulon only once exposed to low oxygen or nitric oxide, both of which result in inhibition of bacterial respiration and replication. Transcription of the DosR regulon is controlled through a two-component regulatory system comprising the transcription factor DosR and two possible cognate histidine sensor kinases, DosS and DosT. Through sequence analysis of a carefully selected set of isolates representing each of the major M. tuberculosis lineages, we describe herein a naturally occurring frameshift mutation in the gene encoding the DosT sensor kinase for isolates of the most recently evolved W/Beijing sublineages. Intriguingly, the occurrence of the frameshift mutation correlates precisely with the appearance of the constitutive DosR regulon phenotype displayed by the same “modern” W/Beijing strains. However, complementation studies have revealed that the mutation in dosT alone is not directly responsible for the constitutive DosR regulon phenotype. Our data serve to highlight the evolutionary pressure that exists among distinct M. tuberculosis lineages to maintain tight control over DosR regulon expression.

Fallow, Ashley; Domenech, Pilar; Reed, Michael B.

2010-01-01

13

The Dos Bocas dam in Puerto Rico.  

NSDL National Science Digital Library

The Dos Bocas dam in Puerto Rico was constructed in 1942 to generate hydroelectric power. Dams in this region prevent the migration of shrimp and fish to areas upstream of the dam. As a result, compared to similar reaches of undammed streams, areas that are upstream of dammed rivers have higher amounts of organic and inorganic nutrients as well as altered invertebrate populations. Loss of migratory shrimp and fish upstream from dams alters basal resources and assemblages of invertebrate competitors and prey. This photograph originally appeared on the cover of Ecological Applications (16:1) in February of 2006.

Klemow, Kenneth

2010-02-11

14

DosS Responds to a Reduced Electron Transport System To Induce the Mycobacterium tuberculosis DosR Regulon?  

PubMed Central

The DosR regulon in Mycobacterium tuberculosis is involved in respiration-limiting conditions, its induction is controlled by two histidine kinases, DosS and DosT, and recent experimental evidence indicates DosS senses either molecular oxygen or a redox change. Under aerobic conditions, induction of the DosR regulon by DosS, but not DosT, was observed after the addition of ascorbate, a powerful cytochrome c reductant, demonstrating that DosS responds to a redox signal even in the presence of high oxygen tension. During hypoxic conditions, regulon induction was attenuated by treatment with compounds that occluded electron flow into the menaquinone pool or decreased the size of the menaquinone pool itself. Increased regulon expression during hypoxia was observed when exogenous menaquinone was added, demonstrating that the menaquinone pool is a limiting factor in regulon induction. Taken together, these data demonstrate that a reduced menaquinone pool directly or indirectly triggers induction of the DosR regulon via DosS. Biochemical analysis of menaquinones upon entry into hypoxic/anaerobic conditions demonstrated the disappearance of the unsaturated species and low-level maintenance of the mono-saturated menaquinone. Relative to the unsaturated form, an analog of the saturated form is better able to induce signaling via DosS and rescue inhibition of menaquinone synthesis and is less toxic. The menaquinone pool is central to the electron transport system (ETS) and therefore provides a mechanistic link between the respiratory state of the bacilli and DosS signaling. Although this report demonstrates that DosS responds to a reduced ETS, it does not rule out a role for oxygen in silencing signaling.

Honaker, Ryan W.; Dhiman, Rakesh K.; Narayanasamy, Prabagaran; Crick, Dean C.; Voskuil, Martin I.

2010-01-01

15

An active security protocol against DoS attacks  

Microsoft Academic Search

Denial of service (DoS) attacks represent, in today's Internet, one of the most complex issues to address. A session is under a DoS attack if it cannot achieve its intended throughput due to the misbehavior of other sessions. Many research studies dealt with DoS, proposing models and\\/or architectures mostly based on an attack prevention approach. Prevention techniques lead to different

Domenico Cotroneo; L. Peluso; Simon Pietro Romano; Giorgio Ventre

2002-01-01

16

Resist DoS attacks in UMTS-WLAN  

NASA Astrophysics Data System (ADS)

Wireless network is more vulnerable to denial of service (DoS) attacks than wired one. In this paper we propose two methods to resist DoS attacks in UMTS-WLAN network, one is active and the other is passive. These two are complementary to each other. In active DoS defense method, a mobile terminal generates an authorized anonymous ID (AAI) using its true ID such as IP address, MAC address, PIN code, or asymmetric key, and substitutes its true ID with the authorized anonymous ID. The mobile terminal may be authenticated by the UMTS-WLAN, however its true ID is anonymous to intending attackers. This method can be used to isolate de-authenticating/disassociating DoS attackers, spoofing power-save DoS attacker, etc. In passive DoS defense method, we propose a trace back scheme. We use covert channels in the header of mobile IP packets to trace back the malicious nodes by embedding some address information of intermediate nodes, and recovering the embedded information by the victim. After the victim successfully traces the attacking paths from malicious nodes, it can segregate the malicious nodes and protect itself. This method can be used to resist DoS attacks of mass-produced junk message congestions.

Qu, Huyu; Cheng, Qiang

2005-06-01

17

DataPlus™ - a revolutionary applications generator for DOS hand ...  

Treesearch

Apr 3, 2013 ... Science.gov - We Participate · USA.gov Government Made Easy ... The user designs and tests the application on the desktop PC and then transfers it to a DOS field computer. Other features include: error checking, missing ...

18

Thorim Utilization in the Angra DOS Reis PWR.  

National Technical Information Service (NTIS)

A study was made on the use of thorium in the PWR Angra dos Reis 1 cell. Reactor calculations were made demostrating that a reduction in uranium ore comsuption of 30% is possible. (Atomindex citation 08:301655)

W. J. Oosterkamp F. Correa

1976-01-01

19

Computer viruses: ways of reproduction in MS-DOS  

Microsoft Academic Search

The methods used by computer viruses to reproduce themselves in IBM PC-compatibles operating under MS-DOS are studied. The results can be of use for classification of viruses and the creation of anti-virus tools. Viruses are examined under the following headings: irritating viruses, viruses that damage files, viruses that damage the file system and viruses that injure the hardware

S. I. Shoutkov; A. V. Spesivtsev

1991-01-01

20

When worlds collide - Mac to MS-DOS. [Data transfer to and from Apple Macintosh computers and MS-DOS based personal computers  

SciTech Connect

A number of methods and products, both hardware and software, to allow data exchange between Apple Macintosh computers and MS-DOS based systems. These included serial null modem connections, MS-DOS hardware and/or software emulation, MS-DOS disk-reading hardware and networking.

Busbey, A.B.

1989-04-01

21

MODELAGEM MATEMÁTICA DOS NÍVEIS D'ÁGUA NO RIO ARAGUAIA  

Microsoft Academic Search

Resumo - Este trabalho é pioneiro para a região Centro-Oeste do Brasil e visa ao aprofundamento da problemática do aproveitamento do Rio Araguaia como via navegável para transportar as safras de grãos das regiões Centro-Norte. O Programa de Desenvolvimento da Hidrovia Tocantins- Araguaia é uma iniciativa do Ministério dos Transportes para estabelecer a navegação fluvial confiável e segura em 2.242

Rone Antônio de Azevedo

22

Ultrafast ligand dynamics in the heme-based GAF sensor domains of the histidine kinases DosS and DosT from Mycobacterium tuberculosis†  

PubMed Central

The transcriptional regulator DosR from M. tuberculosis plays a crucial role in the virulence to dormancy transition of the pathogen. DosR can be activated by DosT and DosS, two histidine kinases with heme-containing sensor GAF domains, capable of diatomic ligand binding, To investigate the initial processes occurring upon ligand dissociation, we performed ultrafast time-resolved absorption spectroscopy of the isolated sensor domains ligated with O2, NO and CO. The results reveal a relatively closed heme pocket for both proteins. For DosT the yield of O2 escape from the heme pocket on the picoseconds timescale upon photodissociation was found to be very low (1.5%), similar to other heme-based oxygen sensor proteins, implying that this sensor acts as an effective O2 trap. Remarkably, this yield is an order of magnitude higher in DosS (18%). For CO, by contrast, the fraction of CO rebinding within the heme pocket is higher in DosS. Experiments with mutant DosT sensor domains and molecular dynamics simulations indicate an important role in ligand discrimination of the distal tyrosine, present in both proteins, which forms a hydrogen bond with heme-bound O2. We conclude that despite their similarity, DosT and DosS display ligand-specific different primary dynamics during the initial phases of intra-protein signaling. The distal tyrosine, present in both proteins, plays an important role in these processes.

Vos, Marten H.; Bouzhir-Sima, Latifa; Lambry, Jean-Christophe; Luo, Hao; Eaton-Rye, Julian J.; Ioanoviciu, Alexandra; Ortiz de Montellano, Paul R.; Liebl, Ursula

2011-01-01

23

Estudio dinámico de un potencial perturbador dependiente de dos parámetros  

NASA Astrophysics Data System (ADS)

El objeto del presente trabajo consiste en el estudio dinámico de un sistema dinámico caracterizado por la función hamiltoniana correspondiente a un satélite planetario perturbado por la acción del Sol y del achatamiento del planeta madre. Cuando dicha Hamiltoniana se promedia respecto de los términos de corto período, esta queda con dos grados de libertad, y su estudio puede ser realizado con las herramientas clásicas de la dinámica no-lineal. Se tratará de determinar regiones regulares y caóticas de movimiento. En el caso de estas últimas, es de particular interés la determinación de su orígen.

Miloni, O.; Brunini, A.

24

Surface air radon progeny at São José dos Campos, Brazil  

NASA Astrophysics Data System (ADS)

Radon is a noble gas naturally occurring in the atmosphere with its progeny. Such progeny can be divided into short- and long-lived daughters. In the winter and spring of 2004 a field campaign at São José dos Campos (SJC, 23.1° S, 45.5° W, 600 m above sea level) in Brazil was conducted to determine the outdoor concentration of the short-lived 218Po, 214Pb, and 214Bi and the long-lived 210Po. It was adopted the methodology of measuring the integrated counts of alpha particles from atmospheric aerosols captured on a cellulose membrane filter sampled with outdoor surface air. Integrated counts for the short-lived daughters at 3 different minute-based periods of time were carried out immediately after the end of sampling and applied to a system of 3 equations, whose solution is the short-lived daughters' air concentrations. For 210Po the air concentration was directly released from alpha counts and volume of probed air. Radionuclides' uncertainties were calculated too. Average values of volume activity (25±21) (1 standard deviation, sd), (6±4), and (4±2) Bq m -3 for 218Po, 214Pb, and 214Bi, respectively, and (81±30) ?Bq m -3 for 210Po were found in the campaign. Atmospheric parameters of temperature, humidity, precipitation, pressure, and wind were taken during sampling. Correlation with temperature and humidity were obtained at 95% confidence level.

Silva, A. A.; Claro, L. H.

25

The Dormancy Regulator DosR Controls Ribosome Stability in Hypoxic Mycobacteria*  

PubMed Central

It is thought that during latent infection, Mycobacterium tuberculosis bacilli are retained within granulomas in a low-oxygen environment. The dormancy survival (Dos) regulon, regulated by the response regulator DosR, appears to be essential for hypoxic survival in M. tuberculosis, but it is not known how the regulon promotes survival. Here we report that mycobacteria, in contrast to enteric bacteria, do not form higher-order structures (e.g. ribosomal dimers) upon entry into stasis. Instead, ribosomes are stabilized in the associated form (70S). Using a strategy incorporating microfluidic, proteomic, and ribosomal profiling techniques to elucidate the fate of mycobacterial ribosomes during hypoxic stasis, we show that the dormancy regulator DosR is required for optimal ribosome stabilization. We present evidence that the majority of this effect is mediated by the DosR-regulated protein MSMEG_3935 (a S30AE domain protein), which is associated with the ribosome under hypoxic conditions. A ?3935 mutant phenocopies the ?dosR mutant during hypoxia, and complementation of ?dosR with the MSMEG_3935 gene leads to complete recovery of dosR mutant phenotypes during hypoxia. We suggest that this protein is named ribosome-associated factor under hypoxia (RafH) and that it is the major factor responsible for DosR-mediated hypoxic survival in mycobacteria.

Trauner, Andrej; Lougheed, Kathryn E. A.; Bennett, Mark H.; Hingley-Wilson, Suzanne M.; Williams, Huw D.

2012-01-01

26

33 CFR 105.245 - Declaration of Security (DoS).  

Code of Federal Regulations, 2013 CFR

...for requesting a DoS and for handling DoS requests from a vessel. (b) At MARSEC Level 1, a facility receiving a cruise ship or a manned vessel carrying Certain Dangerous Cargo, in bulk, must comply with the following: (1)...

2013-07-01

27

33 CFR 104.255 - Declaration of Security (DoS).  

Code of Federal Regulations, 2013 CFR

... 2013-07-01 false Declaration of Security (DoS). 104.255 Section 104.255 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY MARITIME SECURITY MARITIME SECURITY: VESSELS Vessel...

2013-07-01

28

Measurements of degree of sensitization (DoS) in aluminum alloys using EMAT ultrasound.  

PubMed

Sensitization in 5XXX aluminum alloys is an insidious problem characterized by the gradual formation and growth of beta phase (Mg(2)Al(3)) at grain boundaries, which increases the susceptibility of alloys to intergranular corrosion (IGC) and intergranular stress-corrosion cracking (IGSCC). The degree of sensitization (DoS) is currently quantified by the ASTM G67 Nitric Acid Mass Loss Test, which is destructive and time consuming. A fast, reliable, and non-destructive method for rapid detection and the assessment of the condition of DoS in AA5XXX aluminum alloys in the field is highly desirable. In this paper, we describe a non-destructive method for measurements of DoS in aluminum alloys with an electromagnetic acoustic transducer (EMAT). AA5083 aluminum alloy samples were sensitized at 100°C with processing times varying from 7days to 30days. The DoS of sensitized samples was first quantified with the ASTM 67 test in the laboratory. Both ultrasonic velocity and attenuation in sensitized specimens were then measured using EMAT and the results were correlated with the DoS data. We found that the longitudinal wave velocity was almost a constant, independent of the sensitization, which suggests that the longitudinal wave can be used to determine the sample thickness. The shear wave velocity and especially the shear wave attenuation are sensitive to DoS. Relationships between DoS and the shear velocity, as well as the shear attenuation have been established. Finally, we performed the data mining to evaluate and improve the accuracy in the measurements of DoS in aluminum alloys with EMAT. PMID:21232777

Li, Fang; Xiang, Dan; Qin, Yexian; Pond, Robert B; Slusarski, Kyle

2010-12-24

29

Establishment and Characterization of a Human Ovarian Neoplastic Cell Line, DOs  

Microsoft Academic Search

A permanent human neoplastic cell line, DO-s, was established from ascites of a patient with a well-differentiated mucinous cyst-adenocarci- numa of the ovary. This cell line grew as vermiform, floating colonies of epithelial cells in culture. The karyotype of DO-s was of a human female; the chromosome number ranged from 54 to 66 with several abnormalities, mainly trisomy. Epithelial-like character

Tony W. Briers; Patricia Stroobants; Tanja M. Vandeputte; Etienne J. Nouwen; M. Viviane; Gerard Eestermans; D. Van Bockstaele; E. De Broe

30

Non-invasive tissue temperature measurements based on quantitative diffuse optical spectroscopy (DOS) of water  

NASA Astrophysics Data System (ADS)

We describe the development of a non-invasive method for quantitative tissue temperature measurements using Broadband diffuse optical spectroscopy (DOS). Our approach is based on well-characterized opposing shifts in near-infrared (NIR) water absorption spectra that appear with temperature and macromolecular binding state. Unlike conventional reflectance methods, DOS is used to generate scattering-corrected tissue water absorption spectra. This allows us to separate the macromolecular bound water contribution from the thermally induced spectral shift using the temperature isosbestic point at 996 nm. The method was validated in intralipid tissue phantoms by correlating DOS with thermistor measurements (R = 0.96) with a difference of 1.1 ± 0.91 °C over a range of 28-48 °C. Once validated, thermal and hemodynamic (i.e. oxy- and deoxy-hemoglobin concentration) changes were measured simultaneously and continuously in human subjects (forearm) during mild cold stress. DOS-measured arm temperatures were consistent with previously reported invasive deep tissue temperature studies. These results suggest that DOS can be used for non-invasive, co-registered measurements of absolute temperature and hemoglobin parameters in thick tissues, a potentially important approach for optimizing thermal diagnostics and therapeutics.

Chung, S. H.; Cerussi, A. E.; Merritt, S. I.; Ruth, J.; Tromberg, B. J.

2010-07-01

31

Deterioro de los bosques de Canadá por contaminación del aire  

Microsoft Academic Search

SUMMARY This paper discusses the role of air pollution in the dieback of forests in the northem hemisphere. Its emphasis is on the situation in Canada and the Canadian Chemistry of High Elevation Fog project. Topies to be discussed are the extent of the diebackand its consequencesand possible causesas well as the field measurementsthat arebeingmade at the present time.

PILAR CERECEDA TRONCOSO; ROBERTS. SCHEMENAUER

32

A study of lasing wavelength by DOS in the temperature-tunable cholesteric liquid crystal lasers  

NASA Astrophysics Data System (ADS)

For the dye-doped cholesteric liquid crystal (CLC) laser system, we established the relationship between the density of optical state (DOS) and temperature based on the transmission coefficient of the CLC, and calculated the change of DOS distribution with the temperature that results in tunable lasing wavelength. The simulation was further verified by the experiment and it was found that the laser emission wavelength from the dye-doped CLC can be tuned from 662 to 622 nm by the temperature, which is in good agreement with our proposed theory.

Wu, Rina; Li, Yong; Wu, Jie; Ma, Ji; Dai, Qin

2013-07-01

33

Reagent based DOS: A "Click, Click, Cyclize" strategy to probe chemical space†  

PubMed Central

The synthesis of small organic molecules as probes for discovering new therapeutic agents has been an important aspect of chemical-biology. Herein we report a reagent-based, diversity-oriented synthetic (DOS) strategy to probe chemical and biological space via a “Click, Click, Cyclize” protocol. In this DOS approach, three sulfonamide linchpins underwent cyclization protocols with a variety of reagents to yield a collection of structurally diverse S-heterocycles. In silico analysis is utilized to evaluate the diversity of the compound collection against chemical space (PC analysis), shape space (PMI) and polar surface area (PSA) calculations.

Rolfe, Alan; Lushington, Gerald. H.

2010-01-01

34

Reagent based DOS: a "Click, Click, Cyclize" strategy to probe chemical space.  

PubMed

The synthesis of small organic molecules as probes for discovering new therapeutic agents has been an important aspect of chemical-biology. Herein we report a reagent-based, diversity-oriented synthetic (DOS) strategy to probe chemical and biological space via a "Click, Click, Cyclize" protocol. In this DOS approach, three sulfonamide linchpins underwent cyclization protocols with a variety of reagents to yield a collection of structurally diverse S-heterocycles. In silico analysis is utilized to evaluate the diversity of the compound collection against chemical space (PC analysis), shape space (PMI) and polar surface area (PSA) calculations. PMID:20401396

Rolfe, Alan; Lushington, Gerald H; Hanson, Paul R

2010-03-16

35

Teoria e institucionalização dos sistemas partidários após a terceira onda de democratização  

Microsoft Academic Search

Resumo Este artigo examina duas diferenças entre os sistemas partidários das democracias industriais avançadas e os de países menos desenvolvidos, particularmente em termos do nível de institucionalização. O argumento geral é que os sistemas partidários dos países menos desenvolvidos são menos institucionalizados. De modo mais específico, mostramos primeiro que a maioria das democracias e semi-democracias em países menos desenvolvidos têm

Scott Mainwaring; Mariano Torcal

2005-01-01

36

Dynamics of Stratospheric Winds in the Southern Hemisphere Dinamica DOS Ventos Estratosfericos No Hemisferio Sul.  

National Technical Information Service (NTIS)

High altitude balloons were used to study the characteristics of stratospheric wind dynamics in the southern hemisphere. Emphasis was placed on data obtained for the areas of San Jose dos Campos, and San Paulo, Brazil for the months of October 1976 to Feb...

I. M. Martin N. A. Buivan

1977-01-01

37

CONDICIONANTES FÍSICOS E IMPACTOS DOS TORNADOS DO FINAL DE MARÇO DE 2006 NO INTERIOR PAULISTA  

Microsoft Academic Search

RESUMO: O estudo avaliou as condições atmosféricas que propiciaram a ocorrência de tornados em 29 de março de 2006 em Piracicaba e Santa Bárbara d'Oeste, assim como as características físicas dos locais. Levantou, ainda, os impactos causados em fontes diversas da imprensa, prefeituras e defesa civil, e por meio de questionários, a percepção da população. Em Santa Bárbara d'Oeste foram

Luci Hidalgo Nunes; Daniel Henrique Candido

38

Infrared and Isotopic Evidence for Diagenesis of Bone Apatite at Dos Pilas, Guatemala: Palaeodietary Implications  

Microsoft Academic Search

The use of stable carbon isotopic analysis of bone apatite to reconstruct prehistoric diets is hindered by the possibility of diagenetic alteration of carbonate during burial. We examine apatite preservation in Classic Period Maya skeletal remains from Dos Pilas, Guatemala, using Fourier transform infrared spectroscopy (FTIR). We use weight % CO2evolved from apatite, FTIR carbonate\\/phosphate absorbance ratios, phosphate peak splitting

Lori E. Wright; Henry P. Schwarcz

1996-01-01

39

Function, regulation and pathological roles of the Gab/DOS docking proteins  

PubMed Central

Since their discovery a little more than a decade ago, the docking proteins of the Gab/DOS family have emerged as important signalling elements in metazoans. Gab/DOS proteins integrate and amplify signals from a wide variety of sources including growth factor, cytokine and antigen receptors as well as cell adhesion molecules. They also contribute to signal diversification by channelling the information from activated receptors into signalling pathways with distinct biological functions. Recent approaches in protein biochemistry and systems biology have revealed that Gab proteins are subject to complex regulation by feed-forward and feedback phosphorylation events as well as protein-protein interactions. Thus, Gab/DOS docking proteins are at the centre of entire signalling subsystems and fulfil an important if not essential role in many physiological processes. Furthermore, aberrant signalling by Gab proteins has been increasingly linked to human diseases from various forms of neoplasia to Alzheimer's disease. In this review, we provide a detailed overview of the structure, effector functions, regulation and evolution of the Gab/DOS family. We also summarize recent findings implicating Gab proteins, in particular the Gab2 isoform, in leukaemia, solid tumours and other human diseases.

2009-01-01

40

Satellite Remote Sensing of Turbidity and Sediment Concentration in Lagoa dos Patos (Abstract Only).  

National Technical Information Service (NTIS)

The use of LANDSAT Multispectral Scanner (MSS) digital imagery for mapping water turbidity and suspended sediment in Lagoa dos Patos, Rio Grande do Sul was investigated. Field measurements were taken form vessels in a test area, Saco De Tapes when there w...

J. Taylor V. Patel A. Belward L. Beltrame M. Goncalves

1986-01-01

41

Urban forest and environmental inequality in Campos dos Goytacazes, Rio de Janeiro, Brazil  

Microsoft Academic Search

Social and spatial inequality regarding environmental resources and services is one of most complex issues affecting contemporary urban life. The objective of this research is to study the spatial distribution of trees in public areas in Campos dos Goytacazes, Rio de Janeiro, Brazil. This research presents data gathered in ten neighborhoods in Campos. These neighborhoods were split into three distinct

Marcos A. Pedlowski; Victor Andrade Carneiro Da Silva; Janie Jasmim Corabi Adell; Nikolas C. Heynen

2002-01-01

42

POLÍTICAS PÚBLICAS E AÇÕES POPULARES: O CASO DOS ALAGADOS - SALVADOR\\/BA  

Microsoft Academic Search

Resumo: Esta pesquisa analisa o papel das políticas públicas no processo de produção do solo urbano nos Alagados e as implicações dos movimentos populares reivindicando seu direito à cidade. Parte-se do princípio de que tais intervenções do Estado e da comunidade foram relevantes para a continuidade da luta pela morada e pela vida nos Alagados. Busca-se desvendar as contradições das

Janio Santos

2005-01-01

43

Comparación de la citotoxicidad del amaranto en dos líneas celulares de mamífero utilizando bioensayos colorimétricos rápidos  

Microsoft Academic Search

Resumen: El amaranto es un colorante de color rojo amplia- mente utilizado en alimentación y cosmética. En la bibliografía consultada no se han encontrado referencias sobre la citotoxici- dad de este colorante por lo que se ha creído oportuno abordar su estudio. Este estudio se ha llevado a cabo en dos líneas celu- lares de naturaleza fibroblástica: línea celular 3T3

Santa María A; López A; Díaz MM; Ortiz AI

2001-01-01

44

Avaliação da satisfação dos usuários de serviços de Fisioterapia Evaluation of Physical Therapy service user satisfaction  

Microsoft Academic Search

Resumo Objetivo: Caracterizar o perfi l sociodemográfi co e avaliar a satisfação dos usuários de serviços de Fisioterapia em Teresina (PI), com relação à agilidade para agendamento da consulta e atendimento, acolhimento, confi ança, ambiência, humanização, acessibilidade, efi cácia e expectativa sobre os serviços recebidos. Materiais e métodos: A amostra foi constituída por 376 pacientes selecionados em três clínicas de

Machado NP; Nogueira LT

45

Proximal segment position after distraction with the MD-DOS device  

Microsoft Academic Search

We investigated cephalometrically the movement of the proximal segment in the sagittal plane in patients treated with distraction (MD-DOS device) for mandibular lengthening. The proximal segment was anteriorly rotated, whilst the distal segment was posteriorly rotated after the lengthening procedure. Thus the angle of the jaw was advanced half the distance of the advancement of the distal segment. One possible

Kristoffel Hendrickx; Maurice Y. Mommaerts; Walter Jacobs; Johan V. S. Abeloos; Lucas F. Neyt; Calix A. S. De Clercq

1999-01-01

46

Distillation Codes and Applications to DoS Resistant Multicast Authentication  

Microsoft Academic Search

Abstract: We introduce distillation codes, a method for streamingand storing data. Like erasure codes, distillation codesallow information to be decoded from a sufficiently largequorum of symbols. In contrast to erasure codes, distillationcodes are robust against pollution attacks, a powerfulclass of denial of service (DoS) attacks in which adversariesinject invalid symbols during the decoding process.We examine applications of distillation codes to

Chris Karlof; Naveen Sastry; Yaping Li; Adrian Perrig; J. D. Tygar

2004-01-01

47

ANÁLISE COMPARATIVA DOS FICOCOLÓIDES PRODUZIDOS POR ALGAS CARRAGENÓFITAS USADAS INDUSTRIALMENTE E ALGAS CARRAGENÓFITAS PORTUGUESAS  

Microsoft Academic Search

Palavras-chave : macroalgas, ficocolóides, carragenanas, FTIR-ATR, FT-Raman Resumo: As Carragenanas (E-407) constituem um dos principais aditivos usados pela indústria alimentar, como agentes gelificantes, emulsionantes, estabilizantes e espessantes. São ingredientes naturais, usados há várias décadas na área alimentar e são considerados como seguros, tendo obtido a classificação GRAS ( Generally Recognised As Safe ). Neste trabalho foram analisadas a percentagem de

Leonel Pereira; Alan T. Critchley; Ana M. Amado; Paulo J. A. Ribeiro-Claro

48

Pygmy Rice Rat as Potential Host of Castelo dos Sonhos Hantavirus  

PubMed Central

To study the dynamics of wild rodent populations and identify potential hosts for hantavirus, we conducted an eco-epidemiologic study in Campo Novo do Parecis, Mato Grosso State, Brazil. We detected and genetically characterized Castelo dos Sonhos virus found in a species of pygmy rice rat (Oligoryzomys utiaritensis).

Travassos da Rosa, Elizabeth S.; Medeiros, Daniele B. A.; Nunes, Marcio R.T.; Simith, Darlene B.; Pereira, Armando de Souza; Elkhoury, Mauro R.; Lavocat, Marilia; Marques, Aparecido A.R.; Via, Alba Valeria; D'Andrea, Paulo; Bonvicino, Cibele R.; Lemos, Elba Regina S.

2011-01-01

49

Epiderme dos segmentos foliares de Mauritia flexuosa L. f. (Arecaceae) em três fases de desenvolvimento  

Microsoft Academic Search

RESUMO São apresentados os dados anatômicos da epiderme dos segmentos foliares de Mauritia flexuosa L. f. (Arecaceae) em três fases do desenvolvimento. Os segmentos foliares foram analisados em toda a extensão do limbo. As células intercostais da epiderme das faces adaxial e abaxial evidenciam-se com paredes sinuosas, retangulares e orientadas longitudinalmente em relação ao eixo do segmento foliar com acentuada

Mahedy Araújo Bastos Passos; Maria Sílvia de Mendonça

2006-01-01

50

On the impact of DoS attacks on Internet traffic characteristics and QoS  

Microsoft Academic Search

The Internet is on the way of becoming the universal communication network, and then needs to provide various services with guaranteed quality for all kinds of applications. Denial of service (DoS) attacks are then more efficient in a guaranteed multi-services network than in the \\

Philippe OWEZARSKI

2005-01-01

51

Colze de tennis (tendinosi epicondília externa): tractament esclerosant ecoguiat amb polidocanol. A propòsit de dos casos  

Microsoft Academic Search

Dos pacients (2 homes de 42 i 55 anys) amb tendinosi epicondília externa dolorosa van ser tractats mitjançant un tractament innovador que es basa en l'esclerosi amb Polidocanol, un agent esclerosant, ecoguiada amb Power Color (PC) mitjançant Doppler color de polidocanol, un agent esclerosant. Després del tractament va haver-hi una marcada reducció del dolor recollida mitjançant una escala analògica visual

Guillermo Álvarez Rey; Ignacio Álvarez Rey; Guillermo Álvarez Bustos

2006-01-01

52

MONITORAMENTO DOS NINHOS ARTIFICIAIS INSTALADOS PARA AS ARARAS-AZUIS (Anodorhynchus hyacinthinus)  

Microsoft Academic Search

Ameaçada de extinção e com baixa taxa reprodutiva, um dos fatores limitantes à reprodução da arara-azul Anodorhynchus hyacinthinus, no Pantanal é a escassez de cavidades em árvores. Além disso, no mesmo período de reprodução das araras-azuis outras espécies de aves estão se reproduzindo e a disputa pelos ninhos é grande. Para minimizar este fator, instalamos 70 ninhos artificiais, no período

Rua Klaus Sturk; Jd Mansur; Neiva Maria; R. Guedes; Torborg Berge; Vanessa M. B; Márcia M. Volpe; Carolina Ribas; Arara Azul

53

Low-Budget, Cost-Effective OCR: Optical Character Recognition for MS-DOS Micros.  

ERIC Educational Resources Information Center

Discusses optical character recognition (OCR) for use with MS-DOS microcomputers. Cost effectiveness is considered, three types of software approaches to character recognition are explained, hardware and operation requirements are described, possible library applications are discussed, future OCR developments are suggested, and a list of OCR…

Perez, Ernest

1990-01-01

54

Análise dos Conceitos Astronômicos Apresentados por Professores de Algumas Escolas Estaduais Brasileiras  

NASA Astrophysics Data System (ADS)

A razão para o desenvolvimento deste trabalho baseia-se no fato de que muitos professores da Educação Básica (EB) não lidam com conceitos relacionados à astronomia, e quando o fazem eles simplesmente seguem livros didáticos que podem conter erros conceituais. Como é de conhecimento geral a astronomia é um dos conteúdos a serem ensinados na EB fazendo parte dos Parâmetros Curriculares Nacionais e das Propostas Curriculares do Estado de São Paulo, mas é um fato, que vários pesquisadores apontam, a existência de muitos problemas no ensino da astronomia. Com o propósito de minimizar algumas dessas deficiências foi realizado um trabalho de pesquisa com a utilização de questionários pré e pós pesquisa, para tanto foi desenvolvido um Curso de Extensão Universitária para professores da Diretoria de Ensino Regional (DE) que abrange Mauá, Ribeirão Pires e Rio Grande da Serra (no Estado de São Paulo) com os seguintes objetivos: levantar concepções alternativas; subsidiar os professores por meio de palestras, debates e workshops, e verificar o sucesso da aprendizagem após o curso, adotando-se como referência, para a análise dos resultados, os dicionários de Língua Portuguesa (FERREIRA, 2004) e Enciclopédico de Astronomia e Astronáutica (MOUR?O, 1995). Portanto, dezesseis questões foram aplicadas antes e após o curso, assim pode-se verificar após a pesquisa que 100,0% dos professores sabiam os nomes das fases da Lua, 97,0% entenderam que o Sistema Solar é composto por oito planetas, 78,1% foram capazes de explicar como ocorre um eclipse lunar, um eclipse solar e um solstício, 72,7% sabiam como explicar a ocorrência das estações do ano; 64,5% explicaram corretamente a ocorrência do equinócio, 89,7% foram capazes de definir adequadamente o termo cometa; 63,6% definiram asteróide, 54,5% meteoro, 58,1% galáxia, e 42,4% planeta. Os resultados obtidos indicam uma aprendizagem significativa por parte dos participantes.

Voelzke, Marcos Rincon; Gonzaga, Edson Pereira

2011-12-01

55

First report of White spot syndrome virus in farmed and wild penaeid shrimp from lagoa dos patos estuary, southern brazil.  

PubMed

In this study, we detected White spot syndrome virus (WSSV) in wild Farfantepenaeus paulensis collected in the Lagoa dos Patos estuary and cultivated Litopenaeus vannamei. This is the first report of WSSV in F. paulensis from Lagoa dos Patos and farmed L. vannamei shrimps in Rio Grande do Sul. PMID:24031739

Cavalli, Lissandra Souto; Romano, Luis Alberto; Marins, Luis Fernando; Abreu, Paulo César

2011-09-01

56

Determinação espectrométrica dos flavonóides das folhas de Maytenus (Celastraceae) e de Passiflora (Passifloraceae) e comparação com método CLAE-UV  

Microsoft Academic Search

RESUMO: Este trabalho apresenta uma modificação dos procedimentos descritos nas Farmacopéias Francesa e Européia para a análise de flavonoides de Passiflora incarnata L., Passifloraceae, por espectrometria UV-Visível e propõe a sua aplicação na determinação dos flavonoides totais das folhas da espinheira-santa (Maytenus aquifolium Mart. e Maytenus ilicifolia (Schrad.) Planch., Celastraceae) e do maracujá (Passiflora edulis Sims. e Passiflora alata Curtis,

Regina de A. O. Chabariberi; Alessandra C. S. Pozzi; Maria Luiza Zeraik; Janete H. Yariwake

2009-01-01

57

AVALIAÇÃO DE PROCEDÊNCIAS E PROGÊNIES DE LIQUIDAMBAR DA AMÉRICA CENTRAL, DO MÉXICO E DOS ESTADOS UNIDOS, EM AGUDOS, BRASIL  

Microsoft Academic Search

Foi instalado um teste de procedência e progênie de Liquidambar styraciflua L. em Agudos, SP, em solo de areia quartzosa. Os materiais genéticos foram fornecidos pelo Oxford Forestry Institute, incluindo doze procedências da Guatemala, Honduras, Nicarágua, México e dos Estados Unidos, sendo testados juntamente com uma testemunha local, com duas a dez progênies por procedência. Medições efetuadas dos quatro até

Jarbas Y. Shimizu; Ivana H. Z. Spir

58

Observational Assessment of Preschool Disruptive Behavior, Part II: Validity of the Disruptive Behavior Diagnostic Observation Schedule (DB-DOS)  

ERIC Educational Resources Information Center

A study is conducted to determine whether the multidomain, multicontext Disruptive Behavior Diagnostic Observation Schedule (DB-DOS) is a valid observational method for assessing disruptive behavior of preschool children. It is concluded that the DB-DOS is a valid method for a direct observational assessment of clinically significant disruptive…

Wakschlag, Lauren S.; Briggs-Gowan, Margaret J.; Hill, Carri; Danis, Barbara; Leventhal, Bennett L.; Keenan, Kate; Egger, Helen L.; Cicchetti, Domenic; Burns, James; Carter, Alice S.

2008-01-01

59

First report of White spot syndrome virus in farmed and wild penaeid shrimp from lagoa dos patos estuary, southern brazil  

PubMed Central

In this study, we detected White spot syndrome virus (WSSV) in wild Farfantepenaeus paulensis collected in the Lagoa dos Patos estuary and cultivated Litopenaeus vannamei. This is the first report of WSSV in F. paulensis from Lagoa dos Patos and farmed L. vannamei shrimps in Rio Grande do Sul.

Cavalli, Lissandra Souto; Romano, Luis Alberto; Marins, Luis Fernando; Abreu, Paulo Cesar

2011-01-01

60

AVALIAÇÃO DOS RISCOS DE ACIDENTES EM ATIVIDADES DE PODA DE ÁRVORES NA ARBORIZAÇÃO URBANA DO DISTRITO FEDERAL1  

Microsoft Academic Search

RESUMO - Esta pesquisa teve por objetivo avaliar os riscos de acidentes em atividades de poda de árvores na arborização urbana do Distrito Federal. A coleta de dados foi feita com a aplicação de um questionário em forma de entrevista individual. Responderam ao questionário 94% dos funcionários, sendo 92% do total dos operadores de motosserra e 95% do total de

Nilton César Fiedler; Eduardo Hideki Sone; Ailton Teixeira do Vale; José de Fátima Juvêncio; Luciano José Minette

61

Protecting Web Services against DoS Attacks: A Case-Based Reasoning Approach  

NASA Astrophysics Data System (ADS)

The real-time detection is a key factor to detect and block DoS attacks within Web services. DoS attacks can be generated for different techniques that take advantage of points vulnerable within Web services. This paper describes a novel proposal based on a real time agent to classify user requests and detect and block malicious SOAP messages. The classification mechanism is based on a Case-Base Reasoning (CBR) model, where the different CBR phases are time bounded. Within the reuse phase of the CBR cycle is incorporated a mixture of experts to choose the most suitable technique of classification depending on the feature of the attack and the available time to solve the classification. A prototype of the architecture was developed and the results obtained are presented in this study.

Pinzón, Cristian; de Paz, Juan F.; Zato, Carolina; Pérez, Javier

62

Mitigating DoS Attacks on the Paging Channel by Efficient Encoding in Page Messages  

NASA Astrophysics Data System (ADS)

Paging is an important mechanism for network bandwidth efficiency and mobile terminal battery life. It has been widely adopted by mobile networks, such as cellular networks, WiMax, and Mobile IP. Due to certain mechanisms for achieving paging efficiency and the convergence of wireless voice and data networks, the paging channel is vulnerable to inexpensive DoS attacks. To mitigate these attacks, we propose to leverage the knowledge of the user population size, the slotted nature of the paging operation, and the quick paging mechanism to reduce the length of terminal identifiers. In the case of a CDMA2000 system, we can reduce each identifier from 34 bits down to 7 bits, effectively doubling the paging channel capacity. Moreover, our scheme incurs no paging latency, missed pages, or false pages. Using a simulator and data collected from a commercial cellular network, we demonstrate that our scheme doubles the cost for DoS attackers.

Cai, Liang; Maganis, Gabriel; Zang, Hui; Chen, Hao

63

Determinação de elementos próprios dos asteróides troianos: comparação entre as teorias semi-analítica e sintética  

NASA Astrophysics Data System (ADS)

Além do cálculo semi-analítico de elementos próprios dos asteróides Troianos (Beaugé & Roig 2001, Icarus 153, 391), recentemente foi apresentado um novo conjunto destes elementos próprios determinado através de uma teoria sintética (Knenezevic & Milani 2003, comunicação pessoal). As bases de dados contendo estas determinações estão disponiveis na pagina web do Asteroid Dynamical Site (http://hamilton.dm.unipi.it/cgi-bin/astdys/astibo). Nesta comunicação apresentamos os primeiros resultados de um estudo comparativo entre ambos conjuntos de elementos próprios, analisando suas vantagens e desvantagens, assim como os limites de precisão de cada conjunto. Mostramos que os elementos próprios sintéticos são mais precisos que os smi-analíticos para grandes amplitudes de libração do ângulo s = l-lJup, embora acontece o contrario para os corpos cuja amplitude de libração é muito pequena. Finalmente discutimos a influencia destes erros na determinação de familias de asteroides e da estrutura resonante em torno dos pontos Lagrangeanos L4 e L5.

Roig, F.; Beaugé, C.

2003-08-01

64

Slave Communities and Pottery Variability in Western Brazil: The Plantations of Chapada dos Guimarães  

Microsoft Academic Search

In the region of Chapada dos Guimarães, Western Brazil, planters relied heavily on slave labor during the eighteenth and nineteenth\\u000a centuries. In this article, we examine the locally produced pottery found on slaves contexts in five rural sites of this region.\\u000a Based in data from probate inventories and the pottery decorative variability we suggest that slaves used decorated pottery\\u000a to

Marcos André Torres de Souza; Luís Cláudio Pereira Symanski

2009-01-01

65

A Comparison of Three LISP Interpreters for MS-DOS-Based Microcomputers  

PubMed Central

We report a comparison of three commercially available LISP interpreters running on MS-DOS-based microcomputers. Marked differences were found between the different products' memory addressing abilities, error handling and debugging facilities. Editing tools, tutoring environments, windowing, graphic capabilities, operating system and port call facilities are also contrasted. Speed was tested via a group of LISP functions (benchmarks) that attempt to isolate list manipulation, iteration, function calling, recursion and mathematical calculation performance.

Kahane, Stephen N.; Johannes, Richard S.

1985-01-01

66

Sm-Nd-Pu timepieces in the Angra DOS Reis meteorite  

Microsoft Academic Search

Isotope ratios and age estimations are presented for the ultramafic pyroxenite Angra dos Reis meteorite. A pyroxene-phosphate internal isochron age of 4.55 plus or minus 0.04 eons was obtained, in agreement with reported Pb-Pb ages. It is suggested that Sm-146 decay led to an increase in the ratio of Nd-142 to Nd-144 in pyroxene, which is greater than the ratio

G. W. Lugmair; K. Marti

1977-01-01

67

Age and isotopic relationships among the angrites Lewis Cliff 86010 and Angra DOS Reis  

Microsoft Academic Search

The paper presents results of a wide-ranging isotopic investigation of the the Antarctic angrite LEW-86010 (LEW), and reassesses the type angrite Angra dos Reis (ADOR) in order to obtain precise radiometric ages and initial Sr isotopic compositions, and to search for the erstwhile presence of the short-lived nuclei Sm-146 and Al-26 via their daughter products. The isotopic compositions of Sm,

G. W. Lugmair; S. J. G. Galer

1992-01-01

68

Identification and seasonal variation of atmospheric organic pollutants in Campos dos Goytacazes, Brazil  

Microsoft Academic Search

Organic aerosol samples collected during a 1 year study at three sites in the city of Campos dos Goytacazes, Rio de Janeiro, Brazil, were examined by gas chromatography and gas chromatography–mass spectrometry. Samples were acquired using a standard high-volume air sampler (Hi-Vol); extracts prepared and fractionated into aliphatic, aromatic and polar compounds. These compounds were quantified and their seasonal ambient

Débora de Almeida Azevedo; Celeste Yara Moreira dos Santos; Francisco Radler de Aquino Neto

2002-01-01

69

An MS-DOS-based program for analyzing plutonium gamma-ray spectra  

Microsoft Academic Search

A plutonium gamma-ray analysis system that operates on MS-DOS-based computers has been developed for the International Atomic Energy Agency (IAEA) to perform in-field analysis of plutonium gamma-ray spectra for plutonium isotopics. The program titled IAEAPU consists of three separate applications: (1) a data-transfer application for transferring spectral data from a CICERO multichannel analyzer to a binary data file, (2) a

W. D. Ruhter; W. M. Buckley

1989-01-01

70

An MS-DOS-based program for analyzing plutonium gamma-ray spectra  

Microsoft Academic Search

A plutonium gamma-ray analysis system that operates on MS-DOS-based computers has been developed for the International Atomic Energy Agency (IAEA) to perform in-field analysis of plutonium gamma-ray spectra for plutonium isotopics. The user interacts with the system by means of menus and screens that allow the user to select various applications and to enter information pertinent to a measurement. This

W. D. Ruhter; W. M. Buckley

1989-01-01

71

An MS-DOS-based program for analyzing plutonium gamma-ray spectra  

Microsoft Academic Search

A plutonium gamma-ray analysis system that operates on MS-DOS-based computers has been developed for the International Atomic Energy Agency (IAEA) to perform in-field analysis of plutonium gamma-ray spectra for plutonium isotopics. The program titled IAEAPU consists of three separate applications: a data-transfer application for transferring spectral data from a CICERO multichannel analyzer to a binary data file, a data-analysis application

W. D. Ruhter; W. M. Buckley

1989-01-01

72

Coordination of DNA Replication and Histone Modification by the Rik1-Dos2 Complex  

PubMed Central

Histone modification marks play an important role in many chromatin processes1,2. During DNA replication, both heterochromatin and euchromatin are disrupted ahead of the replication fork and then reassembled into their original epigenetic states behind the fork3,4. How the histone marks are faithfully inherited during each generation is still poorly understood. In fission yeast RNA interference (RNAi)-mediated histone methylation is cell-cycle regulated. Centromere repeats are transiently transcribed at S phase and processed into small interference RNAs (siRNAs) by RITS and RDRC complexes5-7. The small RNAs, in concert with silencing factors, including Dos1/Clr8, Dos2/Clr7, Rik1 and Lid2, promote heterochromatic H3K9 methylation by a histone methyltransferase, Clr48-13. H3K9 methylation serves as a binding site for Swi6, a structural and functional homolog of metazoan Heterochromatin Protein 1 (HP1)14. Here we characterize a silencing complex, which contains Dos2, Rik1, Mms19, and Cdc20 (DNA polymerase epsilon). The complex regulates RNA Pol II activity in heterochromatin, and is required for DNA replication and heterochromatin assembly. Our findings provide a molecular link between DNA replication and histone methylation, shedding light on how epigenetic marks are transmitted during each cell cycle.

Li, Fei; Martienssen, Rob; Cande, W. Zacheus

2011-01-01

73

Coordination of DNA replication and histone modification by the Rik1-Dos2 complex.  

PubMed

Histone modification marks have an important role in many chromatin processes. During DNA replication, both heterochromatin and euchromatin are disrupted ahead of the replication fork and are then reassembled into their original epigenetic states behind the fork. How histone marks are accurately inherited from generation to generation is still poorly understood. In fission yeast (Schizosaccharomyces pombe), RNA interference (RNAi)-mediated histone methylation is cell cycle regulated. Centromeric repeats are transiently transcribed in the S phase of the cell cycle and are processed into short interfering RNAs (siRNAs) by the complexes RITS (RNA-induced initiation of transcriptional gene silencing) and RDRC (RNA-directed RNA polymerase complex). The small RNAs together with silencing factors-including Dos1 (also known as Clr8 and Raf1), Dos2 (also known as Clr7 and Raf2), Rik1 and Lid2-promote heterochromatic methylation of histone H3 at lysine 9 (H3K9) by a histone methyltransferase, Clr4 (refs 8-13). The methylation of H3K9 provides a binding site for Swi6, a structural and functional homologue of metazoan heterochromatin protein 1 (HP1). Here we characterize a silencing complex in fission yeast that contains Dos2, Rik1, Mms19 and Cdc20 (the catalytic subunit of DNA polymerase-?). This complex regulates RNA polymerase II (RNA Pol II) activity in heterochromatin and is required for DNA replication and heterochromatin assembly. Our findings provide a molecular link between DNA replication and histone methylation, shedding light on how epigenetic marks are transmitted during each cell cycle. PMID:21725325

Li, Fei; Martienssen, Rob; Cande, W Zacheus

2011-07-03

74

The Intraplate Seismogenic Zone of Porto dos Gauchos in the Amazon Craton, Brazil  

NASA Astrophysics Data System (ADS)

The Porto dos Gauchos Seismogenic Zone (PGSZ), in the center north of Mato Grosso State, in the contact between the southern Amazonian Craton and northern Parecis Basin, represents one of the most important area of seismic activity in Brazil, with the largest magnitude ever observed in the stable continent of the South America plate (6.2 mb on January 31, 1955). Focal mechanism studies indicated a pure reverse faulting regime with compressional SHmax. oriented in SE-NW direction. After the 1955 earthquake, located in Serra do Tombador, a recurrent seismicity has been detected in Porto dos Gauchos, 100 km northeast of Serra do Tombador. No recent events have been detected in the area of the 1955 epicenter, suggesting a long recurrence time or mislocation of Serra do Tombador earthquake. The Porto dos Gauchos recurrent seismicity has been observed since 1959, when a 4.5 macroseismic estimated magnitude was felt by local inhabitants settled in that remote area two years earlier. In subsequent years, with deployment of regional stations in Brazilian Amazon region earthquakes were detected in 1981 (3.8 mb), 1989 (3.3 mb), 1993 (3.8 mb), 1996 (4.4 mb), 1997 (3.3 mb), and finally on March 10, 1998 (5.1 mb). The aftershocks of 1998 main shock were studied with a local network with up to eight 3- component stations. Such network detected more than 2500 events until December of 2002, when the network was deactivated, but only 100 were accurately located. Based on this set of events and a controlled source experiment we determined a 1-D velocity model for the area, a composite focal mechanism with P wave polarities, spectral analysis studies to estimate the source dimension, stress drop and moment magnitudes for the main shock and some others events of the set. On March 23, 2005 another shock occurred in the same seismogenic area of Porto dos Gauchos, with magnitude 4.7 to 5.0. One week later five stations were installed again to monitor the aftershock activity, detecting more than 2000 events in three months. Hypocentral determination, with different hypocentral location programs (Hypocenter, Hypo71, Hypoinverse, Velest and NonLinLoc) and a composite focal mechanism indicated the same source location and similar fault regime (dextral transcurrent fault for both 1998 and 2005 sequences). In this work, besides a brief review of the seismotectonic of the PGSZ we intend to present additional results of better constrained composite focal mechanisms including the P, SH, and SV amplitudes ratios for the two sequences and an attempt to get focal mechanism solution for the main shock of March 1998 based on regional stations.

Barros, L. V.; Assumpcao, M. S.; Quintero, R. Q.

2007-05-01

75

Quality control and assurance for validation of DOS/I measurements  

NASA Astrophysics Data System (ADS)

Ongoing multi-center clinical trials are crucial for Biophotonics to gain acceptance in medical imaging. In these trials, quality control (QC) and assurance (QA) are key to success and provide "data insurance". Quality control and assurance deal with standardization, validation, and compliance of procedures, materials and instrumentation. Specifically, QC/QA involves systematic assessment of testing materials, instrumentation performance, standard operating procedures, data logging, analysis, and reporting. QC and QA are important for FDA accreditation and acceptance by the clinical community. Our Biophotonics research in the Network for Translational Research in Optical Imaging (NTROI) program for breast cancer characterization focuses on QA/QC issues primarily related to the broadband Diffuse Optical Spectroscopy and Imaging (DOS/I) instrumentation, because this is an emerging technology with limited standardized QC/QA in place. In the multi-center trial environment, we implement QA/QC procedures: 1. Standardize and validate calibration standards and procedures. (DOS/I technology requires both frequency domain and spectral calibration procedures using tissue simulating phantoms and reflectance standards, respectively.) 2. Standardize and validate data acquisition, processing and visualization (optimize instrument software-EZDOS; centralize data processing) 3. Monitor, catalog and maintain instrument performance (document performance; modularize maintenance; integrate new technology) 4. Standardize and coordinate trial data entry (from individual sites) into centralized database 5. Monitor, audit and communicate all research procedures (database, teleconferences, training sessions) between participants ensuring "calibration". This manuscript describes our ongoing efforts, successes and challenges implementing these strategies.

Cerussi, Albert; Durkin, Amanda; Kwong, Richard; Quang, Timothy; Hill, Brian; Tromberg, Bruce J.; MacKinnon, Nick; Mantulin, William W.

2010-02-01

76

Crystal Structures of the Response Regulator DosR From Mycobacterium Tuberculosis Suggest a Helix Rearrangement Mechanism for Phosphorylation Activation  

SciTech Connect

The response regulator DosR is essential for promoting long-term survival of Mycobacterium tuberculosis under low oxygen conditions in a dormant state and may be responsible for latent tuberculosis in one-third of the world's population. Here, we report crystal structures of full-length unphosphorylated DosR at 2.2 {angstrom} resolution and its C-terminal DNA-binding domain at 1.7 {angstrom} resolution. The full-length DosR structure reveals several features never seen before in other response regulators. The N-terminal domain of the full-length DosR structure has an unexpected ({beta}{alpha}){sub 4} topology instead of the canonical ({beta}{alpha}){sub 5} fold observed in other response regulators. The linker region adopts a unique conformation that contains two helices forming a four-helix bundle with two helices from another subunit, resulting in dimer formation. The C-terminal domain in the full-length DosR structure displays a novel location of helix {alpha}10, which allows Gln199 to interact with the catalytic Asp54 residue of the N-terminal domain. In contrast, the structure of the DosR C-terminal domain alone displays a remarkable unstructured conformation for helix {alpha}10 residues, different from the well-defined helical conformations in all other known structures, indicating considerable flexibility within the C-terminal domain. Our structures suggest a mode of DosR activation by phosphorylation via a helix rearrangement mechanism.

Wisedchaisri, G.; Wu, M.; Sherman, D.R.; Hol, W.G.J.

2009-05-26

77

Measured oxygen fugacities of the Angra dos Reis achondrite as a function of temperature  

USGS Publications Warehouse

Measurements of the oxygen fugacity (f{hook}O2) as a function of temperature (T) were made on an interior bulk sample of the cumulate achondrite, Angra dos Reis. Data clustered between the f{hook}O2-T relationship of the iron-wu??stite assemblage and 1.2 log atm units above iron-wu??stite. Interpretation of the data indicates that, throughout most of the cooling history of the meteorite, f{hook}O2 values were defined by equilibria involving iron-bearing species at values close to the f{hook}O2 of the assemblage iron-wu??stite. Measured f{hook}O2 data are compatible with crystallization and cooling at pressures greater than 50 bars. ?? 1977.

Brett, R.; Stephen, Huebner, J.; Sato, M.

1977-01-01

78

Identification and seasonal variation of atmospheric organic pollutants in Campos dos Goytacazes, Brazil  

NASA Astrophysics Data System (ADS)

Organic aerosol samples collected during a 1 year study at three sites in the city of Campos dos Goytacazes, Rio de Janeiro, Brazil, were examined by gas chromatography and gas chromatography-mass spectrometry. Samples were acquired using a standard high-volume air sampler (Hi-Vol); extracts prepared and fractionated into aliphatic, aromatic and polar compounds. These compounds were quantified and their seasonal ambient concentration patterns discussed. High winter and low summer concentrations were observed for retene, polycyclic aromatic hydrocarbons and total suspended particulate matter (TSP), with a seasonal (winter) peak for all compounds studied. The higher concentrations observable from May to September may result from crop burning processes, which occur in the sugarcane plantations, mainly during this part of the year. The studied sites may be considered unpolluted as concentrations of benzo[a]pyrene and benzene were lower than the regulation lower limits. On the other hand, two sites were considered polluted by TSP determination.

de Almeida Azevedo, Débora; dos Santos, Celeste Yara Moreira; de Aquino Neto, Francisco Radler

79

An MS-DOS-based program for analyzing plutonium gamma-ray spectra  

SciTech Connect

A plutonium gamma-ray analysis system that operates on MS-DOS-based computers has been developed for the International Atomic Energy Agency (IAEA) to perform in-field analysis of plutonium gamma-ray spectra for plutonium isotopics. The program titled IAEAPU consists of three separate applications: a data-transfer application for transferring spectral data from a CICERO multichannel analyzer to a binary data file, a data-analysis application to analyze plutonium gamma-ray spectra, for plutonium isotopic ratios and weight percents of total plutonium, and a data-quality assurance application to check spectral data for proper data-acquisition setup and performance. Volume 3 contains the software listings for these applications.

Ruhter, W.D.; Buckley, W.M.

1989-09-07

80

Cell cycle-dependent deposition of CENP-A requires the Dos1/2-Cdc20 complex  

PubMed Central

Centromeric histone CENP-A, a variant of canonical histone H3, plays a central role in proper chromosome segregation. Loading of CENP-A at centromeres is cell cycle-regulated: parental CENP-A is deposited at centromeres during S phase, whereas newly synthesized CENP-A is deposited during later stages of the cell cycle. The mechanisms involved in deposition of CENP-A at centromeres during S phase remain poorly understood. In fission yeast, loading of CENP-A during S phase is regulated by the GATA-type factor, Ams2. Here we show that the Dos1/2-Cdc20 complex, previously characterized as a silencing complex essential for inheritance of H3K9 methylation during S phase, is also required for localization of CENP-Acnp1 at centromeres at this stage. Disruption of Dos1 (also known as Raf1/Clr8/Cmc1), Dos2 (also known as Raf2/Clr7/Cmc2), or Cdc20, a DNA polymerase epsilon subunit, results in dissociation of CENP-A from centromeres and mislocalization of the protein to noncentromeric sites. All three mutants display spindle disorganization and mitotic defects. Inactivation of Dos1 or Cdc20 also results in accumulation of noncoding RNA transcripts from centromeric cores, a feature common to mutants affecting kinetochore integrity. We further find that Dos1 physically associates with Ams2 and is required for the association of Ams2 with centromeric cores during S phase. Finally, we show that Dos2 associates with centromeric cores during S phase and that its recruitment to centromeric cores depends on Cdc20. This study identifies a physical link between DNA replication and CENP-A assembly machinery and provides mechanistic insight into how CENP-A is faithfully inherited during S phase.

Gonzalez, Marlyn; He, Haijin; Sun, Siyu; Li, Chen; Li, Fei

2013-01-01

81

Structural Insight into the Heme-based Redox Sensing by DosS from Mycobacterium tuberculosis*S?  

PubMed Central

Mycobacterium tuberculosis is thought to undergo transformation into its non-replicating persistence state under the influence of hypoxia or nitric oxide (NO). This transformation is thought to be mediated via two sensor histidine kinases, DosS and DosT, each of which contains two GAF domains that are responsible for detecting oxygen tension. In this study we determined the crystal structures of the first GAF domain (GAF-A) of DosS, which shows an interaction with a heme. A b-type heme was embedded in a hydrophobic cavity of the GAF-A domain and was roughly perpendicular to the ?-sheet of the GAF domain. The heme iron was liganded by His-149 at the proximal heme axial position. The iron, in the oxidized form, was six-coordinated with a water molecule at the distal position. Upon reduction, the iron, in ferrous form, was five-coordinated, and when the GAF domain was exposed to atmospheric O2, the ferrous form was oxidized to generate the Met form rather than a ferrous O2-bound form. Because the heme is isolated inside the GAF domain, its accessibility is restricted. However, a defined hydrogen bond network found at the heme site could accelerate the electron transferability and would explain why DosS was unable to bind O2. Flavin nucleotides were shown to reduce the heme iron of DosS while NADH was unable to do so. These results suggest that DosS is a redox sensor and detects hypoxic conditions by its reduction.

Cho, Ha Yeon; Cho, Hyo Je; Kim, Young Min; Oh, Jeong Il; Kang, Beom Sik

2009-01-01

82

Buffer zone monitoring plan for the Dos Rios subdivision, Gunnison, Colorado  

SciTech Connect

This report presents a plan for water quality monitoring at the Dos Rios subdivision (Units 2, 3, and the Island Unit) that is intended to satisfy the informational needs of residents who live southwest (downgradient) of the former Gunnison processing site. Water quality monitoring activities described in this report are designed to protect the public from residual contamination that entered the ground water as a result of previous uranium milling operations. Requirements presented in this monitoring plan are also included in the water sampling and analysis plan (WSAP) for the Gunnison Uranium Mill Tailings Remedial Action (UMTRA) Project site. The Gunnison WSAP is a site-specific document prepared by the U.S. Department of Energy (DOE) that provides background, guidance, and justification for future ground water sampling and analysis activities for the UMTRA Project Gunnison processing and disposal sites. The WSAP will be updated annually, as additional water quality data are collected and interpreted, to provide ongoing protection for public health and the environment.

NONE

1996-02-01

83

T.D.S. spectroscopic databank for spherical tops: DOS version  

NASA Astrophysics Data System (ADS)

T.D.S. (Traitement de Donnees Spectroscopiques or Tomsk-Dijon-Spectroscopy project) is a computer package concerned with high resolution spectroscopy of spherical top molecules like CH4, CF4, SiH4, SiF4, SnH4, GeH4, SF6, etc. T.D.S. contains information, fundamental spectroscopic data (energies, transition moments, spectroscopic constants) recovered from comprehensive modeling and simultaneous fitting of experimental spectra, and associated software written in C. The T.D.S. goal is to provide an access to all available information on vibration-rotation molecular states and transitions including various spectroscopic processes (Stark, Raman, etc.) under extended conditions based on extrapolations of laboratory measurements using validated theoretical models. Applications for T.D.S. may include: education/training in molecular physics, quantum chemistry, laser physics; spectroscopic applications (analysis, laser spectroscopy, atmospheric optics, optical standards, spectroscopic atlases); applications to environment studies and atmospheric physics (remote sensing); data supply for specific databases; and to photochemistry (laser excitation, multiphoton processes). The reported DOS-version is designed for IBM and compatible personal computers.

Tyuterev, Vl. G.; Babikov, Yu. L.; Tashkun, S. A.; Perevalov, V. I.; Nikitin, A.; Champion, J.-P.; Wenger, Ch.; Pierre, C.; Pierre, G.; Hilico, J.-C.

1994-10-01

84

ANALYSIS OF THE PICO DOS DIAS SURVEY HERBIG Ae/Be CANDIDATES  

SciTech Connect

A large sample of Herbig Ae/Be (HAeBe) candidates, distributed in different Galactic regions south to declination +30 deg., were identified by the Pico dos Dias Survey (a search for young stellar objects based on IRAS colors). Most of the candidates are nearby or associated with star-forming clouds, but several others are considered isolated objects. Aiming to verify the young nature of 93 HAeBe candidates, we searched for additional information that could be useful to confirm if they are pre-main-sequence (PMS) stars or evolved objects, which coincidentally show similar IRAS colors. By adopting a spectral index that is related to the amount of infrared excess and the shape of the spectral energy distribution, we have classified the sample according to three groups, which are analyzed on the basis of (1) circumstellar luminosity; (2) spatial distribution; (3) optical polarization; (4) near-infrared colors; (5) stellar parameters (mass, age, effective temperature); and (5) intensity of emission lines. Our analysis indicates that only 76% of the studied sample, mainly the group with intermediate to low levels of circumstellar emission, can be more confidently considered PMS stars. The nature of the remaining stars, which are in the other group that contains the highest levels of infrared excess, remains to be confirmed. They share the same characteristics of evolved objects, requiring complementary studies in order to correctly classify them. At least seven objects show characteristics typical of post-asymptotic giant branch or proto-planetary nebulae.

Sartori, Marilia J. [Laboratorio Nacional de Astrofisica/MCT, Rua Estados Unidos 154, 37504-364 Itajuba, MG (Brazil); Gregorio-Hetem, Jane [Universidade de Sao Paulo, IAG, Rua do Matao 1226, 05508-900 Sao Paulo, SP (Brazil); Rodrigues, Claudia V. [Instituto Nacional de Pesquisas Espaciais/MCT, Av. dos Astronautas 1758, 12227-010 Sao Jose dos Campos, SP (Brazil); Annibal Hetem [Fundacao Santo Andre, FAENG, Rua Principe de Gales 821, 09060-650 Santo Andre, SP (Brazil); Batalha, Celso [Evergreen Valley College, 3095 Yerba Buena Rd., San Jose, CA, 95135 (United States)], E-mail: marilia@lna.br

2010-01-15

85

Avaliação do desempenho dos novos instrumentos de política de garantia de preços agrícolas de 2004 a 2007  

Microsoft Academic Search

O objetivo deste artigo é avaliar o desempenho dos instrumentos da Política de Garantia de Preços Agrícolas (PGPA), criados a partir de 2004, em termos de produtos e regiões. Os contratos de opção privada que começaram a ser criados a partir de 2004 possuem característica de transferir à iniciativa privada a responsabilidade de abastecer áreas previamente determinadas. O PEPRO -

Carlos Jose Caetano Bacha; Carlos Eduardo Caldarelli

2008-01-01

86

IDENTIFICACIÓN BACTERIOLÓGICA DE LAS INFECCIONES RESPIRATORIAS EN LOS BECERROS Y SU SUSCEPTIBILIDAD ANTIMICROBIANA EN DOS FINCAS DEL ESTADO GUÁRICO, VENEZUELA  

Microsoft Academic Search

Un total de 50 muestras de hisopados nasales de becerros. con enfermedad respiratoria procedentes de dos fincas ubicadas en el estado Guárico. fueron analizados por estudios bacteriológicos. Los agentes bacterianos más frecuentes fueron Pasteurella multocida (28%), Streptococcus spp. hemolíticos (22%), Klebsiella pneumoniae (18%), Corynebacterium spp. (14%), Staphylococcus epidermidis (6%), Bacillus spp. (4%), Escherichia coli y Pseudomonas aeruginosa (2%). respectivamente. Se

Yuraima Pineda; Salin Mora; Jorge Santander

87

MS-DOS-based program for analyzing plutonium gamma-ray spectra. Volume 1. Data-analysis methodology and software.  

National Technical Information Service (NTIS)

A plutonium gamma-ray analysis system that operates on MS-DOS-based computers has been developed for the International Atomic Energy Agency (IAEA) to perform in-field analysis of plutonium gamma-ray spectra for plutonium isotopics. The user interacts with...

W. D. Ruhter W. M. Buckley

1989-01-01

88

Queda dos homic?dios em S?o Paulo, Brasil: uma an?lise descritiva  

PubMed Central

Objetivo Descrever a evolução da mortalidade por homicídios no Município de São Paulo segundo tipo de arma, sexo, raça ou cor, idade e áreas de exclusão/inclusão social entre 1996 e 2008. Métodos Estudo ecológico de série temporal. Os dados sobre óbitos ocorridos no Município foram coletados da base de dados do Programa de Aprimoramento das Informações sobre Mortalidade, seguindo a Classificação Internacional de Doenças, Décima Revisão (CID-10). Foram calculadas as taxas de mortalidade por homicídio (TMH) para a população total, por sexo, raça ou cor, faixa etária, tipo de arma e área de exclusão/inclusão social. As TMH foram padronizadas por idade pelo método direto. Foram calculados os percentuais de variação no período estudado. Para as áreas de exclusão/inclusão social foram calculados os riscos relativos de morte por homicídio. Resultados As TMH apresentaram queda de 73,7% entre 2001 e 2008. Foi observada redução da TMH em todos os grupos analisados, mais pronunciada em homens (?74,5%), jovens de 15 a 24 anos (?78,0%) e moradores de áreas de exclusão social extrema (?79,3%). A redução ocorreu, sobretudo, nos homicídios cometidos com armas de fogo (?74,1%). O risco relativo de morte por homicídio nas áreas de exclusão extrema (tendo como referência áreas com algum grau de exclusão social) foi de 2,77 em 1996, 3,9 em 2001 e 2,13 em 2008. Nas áreas de alta exclusão social, o risco relativo foi de 2,07 em 1996 e 1,96 em 2008. Conclusões Para compreender a redução dos homicídios no Município, é importante considerar macrodeterminantes que atingem todo o Município e todos os subgrupos populacionais e microdeterminantes que atuam localmente, influenciando de forma diferenciada os homicídios com armas de fogo e os homicídios na população jovem, no sexo masculino e em residentes em áreas de alta exclusão social.

Peres, Maria Fernanda Tourinho; Vicentin, Diego; Nery, Marcelo Batista; de Lima, Renato Sergio; de Souza, Edinilsa Ramos; Cerda, Magdalena; Cardia, Nancy; Adorno, e Sergio

2012-01-01

89

15-Deoxyspergualin (15DOS) for therapy in an animal model of multiple sclerosis (MS): Disease modifying activity on acute and chronic relapsing experimental allergic encephalomyelitis (EAE)  

Microsoft Academic Search

We examined the therapeutic effect of 15-DOS in the two models of acute and chronic relapsing EAE in Lewis rats. In the first model adult rats developed an acute severe EAE and by day 16 all animals died. Lewis rats treated with 15-DOS showed a delayed and reduced onset of clinical symptoms and mortality was prevented. In the second model

H. U. Schorlemmer; F. R. Seiler

1991-01-01

90

Conhecimento dos profissionais de Saúde em relação às formas de cobrança em Unidade de Pronto Atendimento Health professionals knowledge of medical billing standards in an Emergency Department  

Microsoft Academic Search

rESUMo objetivos: Conhecer o perfil demográfico e profissional dos colaboradores da Unidade de Pronto Atendimento; verificar o conhecimento desses, referente aos preços dos medicamentos, materiais, procedimentos e os elementos que compõem a Taxa de Assistência Integrada. Métodos: Pesquisa descritiva, exploratória e prospectiva, de abordagem quantitativa. A amostra foi composta por 123 respondentes: 32 (26%) médicos, 30 (24,4%) enfermeiros e 61

Renata Donato Janeri; Milka de Almeida; Miriam Rodrigues de Medeiros; Sarah Munhoz

91

Cross-Reactive Immunity to Mycobacterium tuberculosis DosR Regulon-Encoded Antigens in Individuals Infected with Environmental, Nontuberculous Mycobacteria? †  

PubMed Central

Mycobacterium tuberculosis DosR regulon-encoded antigens are highly immunogenic in M. tuberculosis-infected humans and are associated with latent tuberculosis infection. We have investigated the hypothesis that infection with or exposure to nontuberculous mycobacteria (NTM) can induce cross-reactive immunity to M. tuberculosis DosR regulon-encoded antigens since responsiveness has been observed in non-M. tuberculosis-exposed but purified protein derivative-responsive individuals. M. tuberculosis DosR regulon-encoded antigen-specific T-cell responses were studied in peripheral blood mononuclear cells (PBMCs) of NTM-infected/exposed individuals. BLASTP was used to determine the presence of M. tuberculosis DosR regulon-encoded protein orthologs among environmental mycobacteria and nonmycobacteria. Significant gamma interferon production was observed in PBMCs from NTM-infected/exposed individuals in response to M. tuberculosis DosR regulon-encoded antigens. DosR regulon-encoded protein orthologs were prominently present in tuberculous and environmental mycobacteria and surprisingly also in nonmycobacteria. The ubiquitous presence of the highly conserved DosR master regulator protein Rv3133c suggests that this is a general adaptive bacterial response regulator. We report a first series of M. tuberculosis antigens to which cross-reactive immunity is induced by NTM infection/exposure. The high conservation of M. tuberculosis DosR regulon-encoded antigens most likely enables them to induce cross-reactive T-cell responses.

Lin, May Young; Reddy, T. B. K.; Arend, Sandra M.; Friggen, Annemieke H.; Franken, Kees L. M. C.; van Meijgaarden, Krista E.; Verduyn, Marleen J. C.; Schoolnik, Gary K.; Klein, Michel R.; Ottenhoff, Tom H. M.

2009-01-01

92

EFICACIA Y RESIDUALIDAD DE DOS INSECTICIDAS PIRETROIDES CONTRA Triatoma infestans EN TRES TIPOS DE VIVIENDAS. EVALUACIÓN DE CAMPO EN AREQUIPA, PERÚ  

Microsoft Academic Search

RESUMEN Objetivos. Comparar la eficacia residual de dos insecticidas en el control vectorial del Triatoma infestans sobre tres tipos de vivienda en dos localidades de Arequipa, Perú. Material y métodos. Ensayo de campo, se utilizaron formulaciones de polvo mojado de deltametrina y lambdacihalotrina sobre diferentes sustratos (concreto, ladrillo y sillar) a dosis de 25 y 30 mg\\/m2 respectivamente. Se usó

Miriam Palomino; Pablo Villaseca; Fanny Cárdenas; Jenny Ancca; Maritza Pinto

93

Implementation of DoS attack and mitigation strategies in IEEE 802.11b/g WLAN  

NASA Astrophysics Data System (ADS)

IEEE 802.11 wireless Local Area Network (WLAN) becomes very prevalent nowadays. Either as a simple range extender for a home wired Ethernet interface, or as a wireless deployment throughout an enterprise, WLAN provides mobility, convenience, and low cost. However, an IEEE 802.11b/g wireless network uses the frequency of unlicensed 2.4GHz, which makes the network unsafe and more vulnerable than traditional Ethernet networks. As a result, anyone who is familiar with wireless network may initiate a Denial of Service (DoS) attack to influence the common communication of the network or even make it crash. In this paper, we present our studies on the DoS attacks and mitigation strategies for IEEE 802.11b/g WLANs and describe some initial implementations using IEEE 802.11b/g wireless devices.

Deng, Julia; Meng, Ke; Xiao, Yang; Xu, Roger

2010-04-01

94

Efetividade no Ensino Superior Brasileiro: Aplicacao de Modelos Multin´õvel ` A Analise dos Resultados do Exame Nacional de Cursos  

Microsoft Academic Search

Este estudo tem por objetivo analisar o impacto de caracter´õsticas institucionais sobre o desempenho dos alunos no Exame Nacional de Cursos (Provao). Uma amostra de mais de 74.000 alunos dasareas de Administracao, Direito e Engenharia Civil que realizaram os exames no ano de 2000 foi analisada. Foram estimados modelos multin´õvel, pois estes dados apresentam uma n´õtida estrutura hierarquica. Relativamente aos

Maria Dolores Montoya Diaz

2007-01-01

95

Video movie making using remote procedure calls and 4BSD Unix sockets on Unix, UNICOS, and MS-DOS systems  

SciTech Connect

We describe the use of the Sun Remote Procedure Call and Unix socket interprocess communication mechanisms to provide the network transport for a distributed, client-server based, image handling system. Clients run under Unix or UNICOS and servers run under Unix or MS-DOS. The use of remote procedure calls across local or wide-area networks to make video movies is addressed.

Robertson, D.W.; Johnston, W.E.; Hall, D.E.; Rosenblum, M.

1990-03-01

96

Lack of Immune Responses to Mycobacterium tuberculosis DosR Regulon Proteins following Mycobacterium bovis BCG Vaccination  

Microsoft Academic Search

Mycobacterium bovis BCG is widely used as a vaccine against tuberculosis (TB), despite its variable protective efficacy. Relatively little is known about the immune response profiles following BCG vaccination in relation to protection against TB. Here we tested whether BCG vaccination results in immune responses to DosR (Rv3133c) regulon-encoded proteins. These so-called TB latency antigens are targeted by the immune

M. Y. Lin; A. Geluk; S. G. Smith; A. L. Stewart; A. H. Friggen; K. L. M. C. Franken; M. J. C. Verduyn; K. E. van Meijgaarden; M. I. Voskuil; H. M. Dockrell; K. Huygen; T. H. M. Ottenhoff; M. R. Klein

2007-01-01

97

Research on a Denial of Service (DoS) Detection System Based on Global Interdependent Behaviors in a Sensor Network Environment  

PubMed Central

This research suggests a Denial of Service (DoS) detection method based on the collection of interdependent behavior data in a sensor network environment. In order to collect the interdependent behavior data, we use a base station to analyze traffic and behaviors among nodes and introduce methods of detecting changes in the environment with precursor symptoms. The study presents a DoS Detection System based on Global Interdependent Behaviors and shows the result of detecting a sensor carrying out DoS attacks through the test-bed.

Song, Jae-gu; Jung, Sungmo; Kim, Jong Hyun; Seo, Dong Il; Kim, Seoksoo

2010-01-01

98

Research on a Denial of Service (DoS) detection system based on global interdependent behaviors in a sensor network environment.  

PubMed

This research suggests a Denial of Service (DoS) detection method based on the collection of interdependent behavior data in a sensor network environment. In order to collect the interdependent behavior data, we use a base station to analyze traffic and behaviors among nodes and introduce methods of detecting changes in the environment with precursor symptoms. The study presents a DoS Detection System based on Global Interdependent Behaviors and shows the result of detecting a sensor carrying out DoS attacks through the test-bed. PMID:22163475

Song, Jae-gu; Jung, Sungmo; Kim, Jong Hyun; Seo, Dong Il; Kim, Seoksoo

2010-11-17

99

ANÁLISE DOS INDICADORES DE HEMORRAGIA LETAL EM VÍTIMAS DE TRAUMA PENETRANTE DE TRONCO ADMITIDAS EM CHOQUE: UM MÉTODO OBJETIVO PARA SELECIONAR OS CANDIDATOS AO \\  

Microsoft Academic Search

RESUMO: Objetivo: Identificar os indicadores de hemorragia letal em vítimas de trauma penetrante de tronco, admitidas com hipotensão arterial sistêmica e analisar sua aplicabilidade na seleção dos candidatos ao \\

José Gustavo Parreira

100

(Pu-244)-Xe formation and gas retention age, exposure history, and terrestrial age of angrites LEW86010 and LEW87051 - Comparison with Angra DOS Reis  

NASA Astrophysics Data System (ADS)

Isotopic abundances of noble gases in two angrites LEW86010 and LEW87051 were investigated and compared with those for the basaltic achondrite Angra dos Reis. An atomic ratio Pu-244/Nd-150 = 0.00136 was calculated for LEW86010, which corresponds to a fission Xe retention age 19 +/-40 Ma younger than that of Angra dos Reis, indicating that LEW86010 formed contemporaneously with Angra dos Reis, for which a formation age of 4550 Ma was previously estimated. The LEW87051 angrite showed the lowest nominal U/Th-(He-4) gas retention age (4 Ma) ever observed for a stone meteorite. The cosmic-ray exposure histories for the three angrites were found to be very different: ages of 17.6 +/-1.0 and 0.2 or greater were calculated for LEW86010 and LEW87051, respectively, compared to a previously reported exposure age of 55.5 for Angra dos Reis.

Eugster, O.; Michel, Th.; Niedermann, S.

1991-10-01

101

AVALIA?ˆO DOS RISCOS DE ACIDENTES EM ATIVIDADES DE PODA DE `RVORES NA ARBORIZA?ˆO URBANA DO DISTRITO FEDERAL1  

Microsoft Academic Search

RESUMO ñ Esta pesquisa teve por objetivo avaliar os riscos de acidentes em atividades de poda de Ærvores na arborizaÁªo urbana do Distrito Federal. A coleta de dados foi feita com a aplicaÁªo de um questionÆrio em forma de entrevista individual. Responderam ao questionÆrio 94% dos funcionÆrios, sendo 92% do total dos operadores de motosserra e 95% do total de

Nilton CØsar Fiedler; Eduardo Hideki; Ailton Teixeira

102

The W-Beijing Lineage of Mycobacterium tuberculosis Overproduces Triglycerides and Has the DosR Dormancy Regulon Constitutively Upregulated?  

PubMed Central

The Beijing family of Mycobacterium tuberculosis strains has been associated with epidemic spread and an increased likelihood of developing drug resistance. The characteristics that predispose this family to such clinical outcomes have not been identified, although one potential candidate, the phenolic glycolipid PGL-tb, has been shown to mediate a fulminant lethal disease in mice and rabbits due to lipid-mediated immunosuppression. However, PGL-tb is not uniformly expressed throughout the Beijing lineage and may not be the only unique virulence trait associated with this family. In an attempt to define phenotypes common to all Beijing strains, we interrogated a carefully selected set of isolates representing the five extant lineages of the Beijing family. Comparison of lipid production in this set revealed that all Beijing strains accumulated large quantities of triacylglycerides in in vitro aerobic culture. This accumulation was found to be coincident with upregulation of Rv3130c, whose product was previously characterized as a triacylglyceride synthase. Rv3130c is a member of the DosR-controlled regulon of M. tuberculosis, and further examination revealed that several members of this regulon were upregulated throughout this strain family. The upregulation of the DosR regulon may confer an adaptive advantage for growth in microaerophilic or anaerobic environments encountered by the bacillus during infection and thus may be related to the epidemiological phenomena associated with this important strain lineage.

Reed, Michael B.; Gagneux, Sebastien; DeRiemer, Kathryn; Small, Peter M.; Barry, Clifton E.

2007-01-01

103

Supporting Security against SYN Flooding Attack in Distributed DoS Via Measuring IPFIX-Based Traffic  

NASA Astrophysics Data System (ADS)

Distributed denial-of-service attacks on public servers after 2000 have become a serious problem. In the distributed denial-of-service (DDoS) attacks often seen recently, multiple distributed nodes concurrently attack a single server. To assure that network services will not be interrupted, faster and more effective defense mechanisms is needed to protect against malicious traffic, especially SYN floods. One problem in detecting SYN flood traffic is that server nodes or firewalls cannot distinguish the SYN packets of normal TCP connections from those of a SYN flood attack. Our method, FDFIX, relies on the use of monitoring and measurement techniques to evaluate the impact of DoS attacks. It uses flow based measurements. Capturing flow information is very important for detecting DoS and also other kinds of attacks. Flow monitoring allows detecting suspicious traffics and in the next step can analyze attacking flows and the results can be used for defense methods. Our method provides required information for many mechanisms that use traffic measurement as their input.

Alipour, H.; Kia, M. Kashefi; Esmaeili, M.

104

Ultrastructural, antigenic and physicochemical characterization of the Mojuí dos Campos (Bunyavirus) isolated from bat in the Brazilian Amazon region.  

PubMed

The Mojuí dos Campos virus (MDCV) was isolated from the blood of an unidentified bat (Chiroptera) captured in Mojuí dos Campos, Santarém, State of Pará, Brazil, in 1975 and considerated to be antigenically different from other 102 arboviruses belonging to several antigenic groups isolated in the Amazon region or another region by complement fixation tests. The objective of this work was to develop a morphologic, an antigenic and physicochemical characterization of this virus. MDCV produces cytopathic effect in Vero cells, 24 h post-infection (p.i), and the degree of cellular destruction increases after a few hours. Negative staining electron microscopy of the supernatant of Vero cell cultures showed the presence of coated viral particles with a diameter of around 98 nm. Ultrathin sections of Vero cells, and brain and liver of newborn mice infected with MDCV showed an assembly of the viral particles into the Golgi vesicles. The synthesis kinetics of the proteins for MDCV were similar to that observed for other bunyaviruses, and viral proteins could be detected as early as 6 h p.i. Our results reinforce the original studies which had classified MDCV in the family Bunyaviridae, genus Bunyavirus as an ungrouped virus, and it may represent the prototype of a new serogroup. PMID:12048556

Wanzeller, Ana L M; Diniz, José A P; Gomes, Maria L C; Cruz, Ana C R; Soares, Manoel C P; de Souza, Wanderley; Travassos da Rosa, Amélia P A; Vasconcelos, Pedro F C

2002-04-01

105

A estabilidade dos PAHS em função da energia da radiação interestelar nas faixas UV e raios-X  

NASA Astrophysics Data System (ADS)

A nebulosa CRL 618, uma proto-nebulosa planetária cuja nuvem molecular espessa envolve uma estrela B0, contém uma grande quantidade de C2H2 e CH4. Estas moléculas são consideradas os tijolos da criação de grandes moléculas carbonadas como os Hidrocarbonetos Policíclicos Aromáticos (PAHs). Esta nebulosa, por estar exposta a intensos campos de UV e Raios-X, é uma região de fotodissociação molecular que propicia a formação de novas moléculas, confirmada pela presença de C4H2 e C6H6 (Benzeno), que é a unidade básica dos PAHs. Atribui-se a esta família de moléculas orgânicas duas propriedades fundamentais, a resistência para sobreviver ao campo de radiação UV interestelar e a geração das bandas de emissão não identificadas (UIR) observadas no infravermelho. No entanto, alguns autores questionam a resistência dos PAHs ao campo de radiação UV interestelar. Empregando a técnica de Espectrometria de Massas por Tempo de Vôo, no modo de coincidência fotoelétron-fotoíon, estudamos a ionização e fragmentação das seguintes moléculas: Benzeno, Benzeno deuterado, Naftaleno, Antraceno e Fenantreno. Utilizamos uma fonte de Hélio monocromática em 21,21 eV (584,5 Å) e a radiação Síncroton do Laboratório Nacional de Luz Síncroton (LNLS) em diferentes energias nas proximidades da borda do C 1s ( 290 eV). Comprovamos a estabilidade dos PAHs sob ação de UV (21,21 eV), onde eles apresentam um baixo nível de fotodissociação, produzindo fragmentos ionizados com rendimento total na ordem de 5 por cento em relação ao íon molecular pai. Entretanto, em altas energias, na faixa de Raios-X, a quebra destas moléculas torna-se mais intensa, com a produção de muitos fragmentos. Como uma das rotas de fragmentação do Naftaleno é [(C10H8) = > (C6H6+) + (C4H2) + (e-)], e como temos as evidências observacionais da existência do C4H2 e C6H6 na nebulosa CRL 618, sugerimos que este ambiente também possui o Naftaleno.

Pinotti, R.; Costa, R. K.; Boechat-Roberty, H. M.; Lago, A.; Souza, G. B.

2003-08-01

106

Assessment of human health risk from organochlorine pesticide residues in Cidade dos Meninos, Duque de Caxias, Rio de Janeiro, Brazil.  

PubMed

This article presents the results of a heath risk assessment in Cidade dos Meninos, an area contaminated with organochlorine pesticide residues located in the county (municipality) of Duque de Caxias, Rio de Janeiro State, Brazil. The Agency for Toxic Substances and Disease Registry (ATSDR) risk assessment methodology was applied. The following organochlorine compounds exceeded the established limits and were considered target pollutants: HCH and its isomers (in eggs, milk, and soil); DDT and its metabolites; trichlorobenzenes; trichlorophenols; dioxins and furans (eggs and soil). For all the substances studied (with the exception of trichlorophenols), the estimated doses exceeded the minimum risk levels for chronically exposed children and adults. According to the ATSDR classification, the area was considered an "urgent public health hazard" because of its high and serious exposure to substances that are dangerous to human health. PMID:18392352

Asmus, Carmen Ildes R Fróes; Alonzo, Herling Gregorio Aguilar; Palácios, Marisa; Silva, Alexandre Pessoa da; Freitas Filhote, Maria Isabel de; Buosi, Daniela; Câmara, Volney de Magalhães

2008-04-01

107

Long term exposure to organochlorine pesticides and thyroid function in children from Cidade dos Meninos, Rio de Janeiro, Brazil.  

PubMed

A pesticide factory in Cidade dos Meninos village, Duque de Caxias County, Rio de Janeiro, Brazil, ended its activity in 1961, leading to widespread contamination of the environment by several organochlorine pesticides. The aim of this study was to investigate the effects of chronic exposure to organochlorine pesticides on thyroid hormone levels in children residing in Cidade dos Meninos. In a population-based survey carried out between 2003 and 2004, serum concentration of 19 pesticides and levels of free thyroxine (T4), total triiodothyronine (T3) and thyroid-stimulating hormone (TSH) were determined in 193 children younger than 15 years old. Multivariate linear regression was conducted to examine thyroid hormone levels according to quintiles of organochlorine exposure, controlling for age, gender and serum lipid content. Free T4 and TSH levels were within reference values (0.7-1.8 ng/dl and 0.35-5.5 mU/l), whereas total T3 was above the reference range (80-180 ng/dl) in 28% of children. More than 60% of the children had detectable levels of most organochlorine pesticides. With the exception of heptachlor and methoxychlor, total T3 levels showed a significant increasing linear trend regardless of pesticide type to which children were exposed. Free T4 levels were positively and significantly associated only with exposure to p,p'-DDD, endosulfan 1, and dieldrin. No significant trend was found for TSH. Data showed that exposure of children to organochlorine pesticides produced a significant increase in serum total T3 concentrations. The clinical implications of such a total T3 elevation and subsequent development are uncertain and warrant the need for health monitoring of these children. PMID:22776325

Freire, Carmen; Koifman, Rosalina Jorge; Sarcinelli, Paula; Rosa, Ana Cristina; Clapauch, Ruth; Koifman, Sergio

2012-07-07

108

Application of geostatistical methods to arsenic data from soil samples of the Cova dos Mouros mine (Vila Verde-Portugal).  

PubMed

A total of 286 soil samples were collected in the Cova dos Mouros area. All samples were dry sieved into the <200 mesh size fraction and analysed for Fe, Cu, Zn, Pb, Co, Ni, Bi and Mn by atomic absorption spectrometry (AAS) and for As, Se, Sb and Te by atomic absorption spectrometry-hydrid generation (AAS-HG). Only the results of arsenic are discussed in this paper although the survey was extended to all analysed chemical elements. The purpose of this study was to make a risk probability mapping for arsenic that would allow better knowledge about the vulnerability of the soil to arsenic contamination. To achieve this purpose, the initial variable was transformed into an indicator variable using as thresholds the risk-based standards (intervention values) for soils, as proposed by [Swartjes 1999. Risk based assessment of soil and groundwater quality in the Netherlands: Standards and remediation. J. Geochem. Explor.73 1-10]. To account for spatial structure, sample variograms were computed for the main directions of the sampling grid and a spherical model was fitted to each sample variogram (arsenic variable and indicator variables). The parameters of the spherical model fitted to the arsenic variable were used to predict arsenic concentrations at unsampled locations. A risk probability mapping was also done to assess the vulnerability of the soil towards the mining works. The parameters of the spherical model fitted to each indicator variable were used to estimate probabilities of exceeding the corresponding threshold. The use of indicator kriging as an alternative to ordinary kriging for the soil data of Cova dos Mouros produced unbiased probability maps that allowed assessment of the quality of the soil. PMID:16059781

Reis, A P; Sousa, A J; Da Silva, E Ferreira; Fonseca, E Cardoso

2005-09-01

109

Genetic structuring in the threatened “Lagartijo del Bosque Seco” ( Anolis cooki) from Puerto Rico  

Microsoft Academic Search

Species with restricted geographic distributions consisting of isolated populations are particularly susceptible to extinction because these demes face an increased risk of disappearing due to environmental, demographic, and genetic stochasticity. We used partial DNA sequences of the cytochrome b (1083bp) and ND2 (1041bp) mitochondrial genes to investigate the phylogeography and population genetics of Anolis cooki, a threatened lizard endemic to

Javier A. Rodríguez-Robles; Tereza Jezkova; Manuel Leal

2008-01-01

110

Proteccion de los Bosques Contra el Fuego (Protecting the Forest from Fires).  

National Technical Information Service (NTIS)

The pamphlet of techniques for prevention and control of forest fires chronicles the damage caused by them, and their causes. Various prevention techniques are covered, particularly patrols of forest areas and public information campaigns. Although no two...

1967-01-01

111

Fenología de árbol Sideroxylon capiri (Sapotaceae) en el Bosque Seco Tropical de Costa Rica  

Microsoft Academic Search

Phenology of the tree Sideroxylon capiri (Sapotaceae) at the tropical dry forest in Costa Rica. From March 1996 until February 2000, an study about the phenology of the Tempisque tree (Sideroxylon capiri (A.DC.) Pittier) was made in the Tropical Dry Forest of the Barra Honda National Park (Costa Rica). Ten trees were choosen at random and their phenology was evaluated

Elmer G. García; José F. Di Stefano

2005-01-01

112

Power-efficiency trade-off due to density of states (DOS) distortion in a molecular thermoelectric system  

NASA Astrophysics Data System (ADS)

The issue of how a distortion in the electronic DOS affects nanoscale thermoelectric performance is addressed within an ``electrical engineering'' perspective. This view point is based on the direct evaluation of the overall efficiency and power from device current-voltage characteristics and gives a more complete picture of the thermoelectric performance in comparison to the traditional ``figure of merit'' based material science approach. We use representative examples from molecular conduction to study the trade-off between maximum efficiency and the maximum power generated within the set up. The trade-off is maximum for the well known example of a sharply resonant molecular level which represents the ultimate distortion in the electronic density of states. As the distortion is reduced via contact induced broadening, we obtain a smaller trade-off between maximum power and efficiency. We then present the effects of self consistent charging, contact induced asymmetry and the HOMO-LUMO gap on the thermoelectric performance. In all cases we compare our non-equilibrium calculations with zT calculations, and our results depict that zT is not the sole metric for the assessment of nanoscale thermoelectric performance.

Desouza, Priyanka; Muralidharan, Bhaskaran

2013-03-01

113

EFICIÊNCIA DE REMOÇÃO DE POLUENTES EM DIVERSAS ETAPAS DO TRATAMENTO DAS ÁGUAS RESIDUÁRIAS DA LAVAGEM E DESPOLPA DOS FRUTOS DO CAFEEIRO1  

Microsoft Academic Search

RESUMO: O presente trabalho teve por objetivo avaliar a eficiência na remoção de poluentes no pré- tratamento, tratamento primário e secundário de águas residuárias da lavagem e despolpa dos frutos do cafeeiro. Foram coletadas amostras em sete pontos distintos, ao longo do sistema de tratamentos para análise da DBO, DQO, sólidos sedimentáveis (SP), sólidos totais (ST), sólidos fixos totais (SFT),

Roberta Alessandra; Bruschi GONÇALVES; Antonio Teixeira de MATOS

114

Evaluating Network-Based DoS Attacks under the Energy Consumption Perspective: New Security Issues in the Coming Green ICT Area  

Microsoft Academic Search

In the green Information and Communication Society (ICS), new form of Denial of Service (DoS) attacks may be put in place: exploiting the computational and storage resources of datacenters with the aim of consuming as much energy as possible, causing detrimental effects, from high costs in the energy bill, to penalization for exceeding the agreed quantity of CO2 emissions, up

Francesco Palmieri; Sergio Ricciardi; Ugo Fiore

2011-01-01

115

SOBRE O VALOR ECONÔMICO DO SISTEMA DE IDENTIFICAÇÃO ANIMAL DOS EUA (NAIS): NOTÍCIAS A RESPEITO DO MAU DA VACA LOUCA AFETAM O CONSUMO DE CARNES?  

Microsoft Academic Search

Esse artigo investiga os efeitos de notícias a respeito do mau da vaca louca ou BSE sobre o consumo das carnes bovina, suína e de aves nos EUA. Presume-se que o sistema nacional de identificação animal (NAIS) poderia em tese atenuar a percepção de risco dos consumidores sobre contrair o mau da vaca louca ao consumir carnes. Sistemas de equações

Moises de Andrade Resende Filho; Brian L. Buhr

2008-01-01

116

GESTÃO DA INFORMAÇÃO E MONITORAMENTO TECNOLÓGICO: O MERCADO DOS FUTUROS GENÉRICOS INFORMATION MANAGEMENT AND TECHNOLOGICAL MONITORING: THE MARKET FOR FUTURE GENERIC DRUGS  

Microsoft Academic Search

Resumo: O presente estudo sobre o mercado dos medicamentos genéricos visa demonstrar, dentre outras, a gestão da informação como mecanismo de apoio ao monitoramento tecnológico e tomada de decisão, tendo como vetor principal análise de patentes. Este estudo aplica a metodologia de inteligência competitiva no sentido de viabilizar a monitoração de drogas genéricas (ind. farmoquímica), bem como formulações (ind. farmacêutica),

Claudia CANONGIA; Adelaide ANTUNES; Maria de Nazaré PEREIRA

117

Análisis del comportamiento genético de dos grupos germoplásmicos complementarios de maíz Analysis of the genetic performance of two germoplasm complementary groups of maize  

Microsoft Academic Search

Resumen Cuando se está interesado en el mejoramiento de los híbridos resultantes del cruzamiento entre individuos de dos poblaciones, se recomienda conocer el comportamiento genético de las características de importancia económica de cada población, para elegir la estrategia de selección que permita obtener híbridos con mayores ventajas agronómicas. El método IV de los cruzamientos dialélicos propuestos por Griffing se ha

Humberto De León Castillo; José Espinoza Velásquez; Daniel Sámano Garduño

118

AVALIAÇÃO DO ESTADO QUÍMICO E ECOLÓGICO DOS CORPOS D' ÁGUA SOB O ENFOQUE DA NOVA DIRETRIZ DA ÁGUA DA UNIÃO EUROPÉIA  

Microsoft Academic Search

Desde os anos 90 existe um esforço da União Européia em promover a proteção ecológica dos corpos d'água. Com a nova Diretriz da Água do Parlamento Europeu e do Conselho, de 23 de Outubro de 2000, pela primeira vez, uma orientação ecológica foi atingida na União Européia. Várias ações estão sendo implementadas, dentre elas ressalta-se o estabelecimento de um plano

Alessandra Maciel; Maria do Carmo Sobral; Günter Gunkel

119

Avaliação dos Efeitos da Radiação Gama nos Teores de Carotenóides, Ácido Ascórbico e Açúcares do Fruto Buriti do Brejo (Mauritia flexuosa L.)  

Microsoft Academic Search

RESUMO Buriti do Brejo (Mauritia flexuosa L.) é um típico fruto da Amazônia, Nordeste e Centro-Oeste brasileiro, muito utilizado na culinária para produção de sucos, doces e vinhos. É considerado uma excelente fonte de carotenóides precursores da vitamina A, apresentando maior concentração de ?-caroteno. Além dos carotenóides também encontramos ácido ascórbico e açúcares. O ácido ascórbico administrado em quantidades suficientes

Antonio Luís; Santos LIMA; Keila dos Santos; Cople LIMA; Maysa Joppert COELHO; Jaqueline Michele

2009-01-01

120

Immunogenicity of Novel DosR Regulon-Encoded Candidate Antigens of Mycobacterium tuberculosis in Three High-Burden Populations in Africa? †  

PubMed Central

Increasing knowledge about DosR regulon-encoded proteins has led us to produce novel Mycobacterium tuberculosis antigens for immunogenicity testing in human populations in three countries in Africa to which tuberculosis (TB) is endemic. A total of 131 tuberculin skin test-positive and/or ESAT-6/CFP10-positive, human immunodeficiency virus-negative adult household contacts of active pulmonary TB cases from South Africa (n = 56), The Gambia (n = 26), and Uganda (n = 49) were tested for gamma interferon responses to 7 classical and 51 DosR regulon-encoded M. tuberculosis recombinant protein antigens. ESAT-6/CFP10 fusion protein evoked responses in >75% of study participants in all three countries. Of the DosR regulon-encoded antigens tested, Rv1733c was the most commonly recognized by participants from both South Africa and Uganda and the third most commonly recognized antigen in The Gambia. The four most frequently recognized DosR regulon-encoded antigens in Uganda (Rv1733c, Rv0081, Rv1735c, and Rv1737c) included the three most immunogenic antigens in South Africa. In contrast, Rv3131 induced the highest percentage of responders in Gambian contacts (38%), compared to only 3.4% of Ugandan contacts and no South African contacts. Appreciable percentages of TB contacts with a high likelihood of latent M. tuberculosis infection responded to several novel DosR regulon-encoded M. tuberculosis proteins. In addition to significant similarities in antigen recognition profiles between the three African population groups, there were also disparities, which may stem from genetic differences between both pathogen and host populations. Our findings have implications for the selection of potential TB vaccine candidates and for determining biosignatures of latent M. tuberculosis infection, active TB disease, and protective immunity.

Black, Gillian F.; Thiel, Bonnie A.; Ota, Martin O.; Parida, Shreemanta K.; Adegbola, Richard; Boom, W. Henry; Dockrell, Hazel M.; Franken, Kees L. M. C.; Friggen, Annemiek H.; Hill, Philip C.; Klein, Michel R.; Lalor, Maeve K.; Mayanja, Harriet; Schoolnik, Gary; Stanley, Kim; Weldingh, Karin; Kaufmann, Stefan H. E.; Walzl, Gerhard; Ottenhoff, Tom H. M.

2009-01-01

121

Activation of ATP binding for the autophosphorylation of DosS, a Mycobacterium tuberculosis histidine kinase lacking an ATP lid motif.  

PubMed

The sensor histidine kinases of Mycobacterium tuberculosis, DosS and DosT, are responsible for sensing hypoxic conditions and consist of sensor and kinase cores responsible for accepting signals and phosphorylation activity, respectively. The kinase core contains a dimerization and histidine phosphate-accepting (DHp) domain and an ATP binding domain (ABD). The 13 histidine kinase genes of M. tuberculosis can be grouped based on the presence or absence of the ATP lid motif and F box (elements known to play roles in ATP binding) in their ABDs; DosS and DosT have ABDs lacking both these elements, and the crystal structures of their ABDs indicated that they were unsuitable for ATP binding, as a short loop covers the putative ATP binding site. Although the ABD alone cannot bind ATP, the kinase core is functional in autophosphorylation. Appropriate spatial arrangement of the ABD and DHp domain within the kinase core is required for both autophosphorylation and ATP binding. An ionic interaction between Arg(440) in the DHp domain and Glu(537) in the short loop of the ABD is available and may open the ATP binding site, by repositioning the short loop away from the site. Mutations at Arg(440) and Glu(537) reduce autophosphorylation activity. Unlike other histidine kinases containing an ATP lid, which protects bound ATP, DosS is unable to accept ATP until the ABD is properly positioned relative to the histidine; this may prevent unexpected ATP reactions. ATP binding can, therefore, function as a control mechanism for histidine kinase activity. PMID:23486471

Cho, Ha Yeon; Lee, Young-Hoon; Bae, Young-Seuk; Kim, Eungbin; Kang, Beom Sik

2013-03-13

122

ParticiPação dos Pais na tomada de decisões no atendimento odontológico de seus filhos PaRent' S ROle On the deCiSiOn taking Of theiR ChildRen' S dental tReatment  

Microsoft Academic Search

resumo Introdução: Segundo o Código de Ética Odontológica, é considerada infração o atendimento de pacientes infantis sem o consentimento dos pais ou responsáveis, salvo em situações de urgência. No tratamento odontopediátrico, é indispensável o esclarecimento dos pais em relação aos procedimentos a que seus filhos serão submetidos, as opções de tratamento existentes e seus custos, para que eles possam emitir

Monique Santos Machado; Helen Cristhiane; Muller Nagano; Juliana Yassue; Barbosa da Silva; Vera Lúcia Bosco

123

Cat?licos, fidelidade conjugal e AIDS: entre a cruz da doutrina moral e as espadas do cotidiano sexual dos adeptos1  

PubMed Central

Neste artigo discutimos a visão da Igreja Católica sobre sexualidade na interface com a epidemia do HIV/AIDS. Nossa reflexão está embasada em pesquisa etnográfica que envolveu dois meses de observação participante do cotidiano de católicos de um bairro popular da Região Metropolitana do Recife, além de contar com entrevistas a onze dos leigos engajados nos serviços religiosos da igreja do bairro e a oito sacerdotes que realizam seus trabalhos religiosos em outras localidades. Nelas abordamos diferentes temáticas relacionadas ao enfrentamento da epidemia da AIDS. Nesse contexto, conjugalidade e fidelidade se afiguram como importantes analisadores de como aqueles lidam com a epidemia, em uma variedade de re-descrições práticas e de re-interpretações conceptuais das assertivas do discurso moral religioso – ainda que, muitos impasses permaneçam em aberto em termos das prerrogativas da Igreja e seus possíveis rebatimentos na saúde sexual dos adeptos.

Rios, Luis Felipe; de Aquino, Francisca Luciana; Munoz-Laboy, Miguel; Oliveira, Cinthia; Parker, Richard

2009-01-01

124

Stratigraphy of fluvial sediment sequences and their palaeoenvironmental information in the foreland of the Serra dos Órgãos, southeastern Brazil  

NASA Astrophysics Data System (ADS)

In the hinterland of Rio de Janeiro city the rivers Guapiaçu, Macacu and Iconha originate in the Serra dos Órgãos mountain range and drain into the Atlantic Ocean. Since their channelization in the 1950s, higher flow velocities caused an incision of the rivers into the valley fills. These circumstances provide the possibility to study the alluvial deposits along the streams during low water level and allow conclusions on palaeoenvironmental change and landscape history. Sedimentological investigations of 13 exposures as well as AMS 14C measurements were carried out to investigate sediment properties and reconstruct the sedimentation history within the floodplains. These results enable to distinguish three different facies units. A late Pleistocene Unit I can be detected at the base of the observed exposures and consists of clast-supported fine to coarse gravels. It can be assumed that the gravel bodies were formed by a climatically induced erosional-depositional cycle within a braided river system. The gravels are overlaid by Unit II, a grayish to bluish loam mainly of mid-Holocene age. During generally drier climates these loams have been deposited during high water stages or flooding events as a splay facies proximal to the rivers. A reduced flow competence and relatively stable morphodynamic conditions are assumed for that period. Unit III accumulated in the late Holocene typically consists of several meters of planar or cross bedded sands to fine gravels, interfingered by loamy inclusions, buried peat bogs and organic debris. Fining-upward sequences can be frequently studied within Unit III which were completed by loamy sediments in the uppermost parts of the exposures. The increased flow competence from Unit II to Unit III seems to be a fluvial response to the increased humidity of the late Holocene as well as the enhancement of El Niño-Southern Oscillation (ENSO). Heavy rainfall likely caused higher sediment supply from the steep slopes as well as a reworking of sediments followed by sedimentation in the floodplains. The development of the uppermost loams is attributed to deforestation and land use intensification in historical times which led to higher erosion rates and related sediment loads. An increased human impact can be postulated for the last 250 years.

Kirchner, André; Nehren, Udo; Heinrich, Jürgen

2013-04-01

125

Corrosion of bronze alloy with some lead content: implications in the archaeometallurgical study of Late Bronze Age metal artefacts from Fraga dos Corvos (northern Portugal)  

Microsoft Academic Search

Distinguishing bronzes with low lead contentfrom those with high lead content through non-destructive surface techniques, such as energy dispersive X-ray spectrometry (EDXRF) performed over corrosion layers, can be very dubious. Three artefacts andfour metalfragments dated to the Late Bronze Age, found in a rock shelter at the Fraga dos Corvos archaeological site in northern Portugal, have been analyszed through non-invasive

Elin Figueiredoasb; Maria de Fátima Araújo; Cidade Estrada

126

The Serra Pelada Au-PGE deposit, Serra dos Carajás (Pará State, Brazil): geological and geochemical indications for a composite mineralising process  

Microsoft Academic Search

The Serra Pelada Au-PGE-rich deposit is located in the Serra dos Carajás, a leading mining area in Brazil. This region is characterised by a complex geological and structural framework and is affected by deep lateritisation which has lasted for more than 70 Ma. The Serra Pelada deposit is emplaced in a late-Archean low-grade metasedimentary sequence (Rio Fresco\\/Águas Claras Formation) which

Marilena Moroni; Vicente A. Girardi; Alfredo Ferrario

2001-01-01

127

Exposure pathways to HCH and DDT in Cidade dos Meninos and its surrounding districts of Amapa, Figueiras and Pilar, metropolitan regions of Rio de Janeiro, Brazil.  

PubMed

In 1989, the Rio de Janeiro State environmental agency (FEEMA) after a preliminary survey of the site known as Cidade dos Meninos, collected and disposed in a safe area tons of a pesticide that was spread in and around the ruins of an old hexachlorocyclohexane (HCH) factory. The aim of this article is three-fold: (i) To investigate the existing HCH and DDT contamination levels in soil, water, air, vegetables and grasses at the Cidade dos Meninos site and the surrounding districts of Amapa, Figueiras and Pilar; (ii) To identify the main environmental exposure pathways present in the study area, and (iii) To propose a health hazard classification for this area. The results showed the presence of high levels of total HCH and DDT in the environmental media samples, especially in those collected in the district Cidade dos Meninos. This district is also the one that produces more food (vegetables, milk and meat) for local and outside population. The environmental data correlated to the socio-economic, food diet and local health conditions led to the identification of four complete exposure pathways to HCH and DDT (surface soil, access road, food chain and ambient air). Using the ATSDR (1996) and Magalhães (2000) criteria the site was classified in two public health hazard categories: Category II - hazard for public health, and category III - indeterminate hazard for public health. PMID:16611565

Brilhante, Ogenis M; Franco, Robson

2006-06-01

128

2.3 ? X-ray Structure of the Heme-Bound GAF Domain of Sensory Histidine Kinase DosT of Mycobacterium tuberculosis†  

PubMed Central

Mycobacterium tuberculosis responds to the changes in environmental conditions through a two-component signaling system that detects reduced O2 tension and NO and CO exposures via the heme-binding GAF domains of two sensory histidine kinases, DosT and DevS, and the transcriptional regulator DosR. We report the first x-ray structure of the DosT heme-bound GAF domain (GAFDosT) in both oxy and deoxy forms determined to a resolution of 2.3 Å. In GAFDosT, heme binds in an orientation orthogonal to that in the PAS domains via a highly conserved motif including invariant H147 as a proximal heme axial ligand. On the distal side, invariant Y169 is in stacking interactions with the heme with its long axis parallel and the plane of the ring orthogonal to the heme plane. In one of the two protein monomers in an asymmetric unit, O2 binds as a second axial ligand to the heme iron, and is stabilized via an H-bond to the OH-group of Y169. The structure reveals two small tunnel-connected cavities and a pore on the protein surface that suggest a potential route for O2 access to the sensing pocket. The limited conformational differences observed between differently heme iron-ligated GAFDosT monomers in the asymmetric unit may result from crystal lattice limitations since atmospheric oxygen binding likely occurs in the crystal as a result of x-ray induced Fe3+ photoreduction during diffraction data collection. Determination of the GAFDosT structure sets up a framework in which to address ligand-recognition, discrimination, and signal propagation schemes in the heme-based GAF domains of biological sensors.

Podust, Larissa M.; Ioanoviciu, Alexandra; Ortiz de Montellano, Paul R.

2009-01-01

129

Reassessment of the use of fire as a management tool in deciduous forests of eastern north america.  

PubMed

Prescribed burning is increasingly being used in the deciduous forests of eastern North America. Recent work suggests that historical fire frequency has been overestimated east of the prairie-woodland transition zone, and its introduction could potentially reduce forest herb and shrub diversity. Fire-history recreations derived from sedimentary charcoal, tree fire scars, and estimates of Native American burning suggest point-return times ranging from 5-10 years to centuries and millennia. Actual return times were probably longer because such records suffer from selective sampling, small sample sizes, and a probable publication bias toward frequent fire. Archeological evidence shows the environmental effect of fire could be severe in the immediate neighborhood of a Native American village. Population density appears to have been low through most of the Holocene, however, and villages were strongly clustered at a regional scale. Thus, it appears that the majority of forests of the eastern United States were little affected by burning before European settlement. Use of prescribed burning assumes that most forest species are tolerant of fire and that burning will have only a minimal effect on diversity. However, common adaptations such as serotiny, epicormic sprouting, resprouting from rhizomes, and smoke-cued germination are unknown across most of the deciduous region. Experimental studies of burning show vegetation responses similar to other forms of disturbance that remove stems and litter and do not necessarily imply adaptation to fire. The general lack of adaptation could potentially cause a reduction in diversity if burning were introduced. These observations suggest a need for a fine-grained examination of fire history with systematic sampling in which all subregions, landscape positions, and community types are represented. Responses to burning need to be examined in noncommercial and nonwoody species in rigorous manipulative experiments. Until such information is available, it seems prudent to limit the use of prescribed burning east of the prairie-woodland transition zone. Reevaluación del Uso de Fuego como Herramienta de Manejo en Bosques Deciduos de América del Norte. PMID:24073811

Matlack, Glenn R

2013-10-01

131

The Caenorhabditis elegans EGL-15 Signaling Pathway Implicates a DOS-Like Multisubstrate Adaptor Protein in Fibroblast Growth Factor Signal Transduction  

PubMed Central

EGL-15 is a fibroblast growth factor receptor in the nematode Caenorhabditis elegans. Components that mediate EGL-15 signaling have been identified via mutations that confer a Clear (Clr) phenotype, indicative of hyperactivity of this pathway, or a suppressor-of-Clr (Soc) phenotype, indicative of reduced pathway activity. We have isolated a gain-of-function allele of let-60 ras that confers a Clr phenotype and implicated both let-60 ras and components of a mitogen-activated protein kinase cascade in EGL-15 signaling by their Soc phenotype. Epistasis analysis indicates that the gene soc-1 functions in EGL-15 signaling by acting either upstream of or independently of LET-60 RAS. soc-1 encodes a multisubstrate adaptor protein with an amino-terminal pleckstrin homology domain that is structurally similar to the DOS protein in Drosophila and mammalian GAB1. DOS is known to act with the cytoplasmic tyrosine phosphatase Corkscrew (CSW) in signaling pathways in Drosophila. Similarly, the C. elegans CSW ortholog PTP-2 was found to be involved in EGL-15 signaling. Structure-function analysis of SOC-1 and phenotypic analysis of single and double mutants are consistent with a model in which SOC-1 and PTP-2 act together in a pathway downstream of EGL-15 and the Src homology domain 2 (SH2)/SH3-adaptor protein SEM-5/GRB2 contributes to SOC-1-independent activities of EGL-15.

Schutzman, Jennifer L.; Borland, Christina Z.; Newman, John C.; Robinson, Matthew K.; Kokel, Michelle; Stern, Michael J.

2001-01-01

132

[Residual concentration of hexachlorocyclohexane in a contaminated site in Cidade dos Meninos, Duque de Caxias, Rio de Janeiro, Brazil, after calcium oxide treatment].  

PubMed

Hexachlorocyclohexanes (HCHs) are currently considered potentially carcinogenic to humans. In Brasil, severe soil contamination by HCHs has been identified at Cidade dos Meninos, Duque de Caxias, Rio de Janeiro, where an old HCH factory was abandoned 40 years ago, leaving 1,700 local residents at risk. Calcium oxide treatment was performed on the most heavily contaminated (focus) area. Analysis of superficial soil samples collected years after treatment still showed high residual HCH. Contamination levels as high as 6,200mg/Kg and 7,320mg/Kg were found for alpha- and beta-HCH isomers. For the gamma- and delta-HCH isomers, concentrations reached up to 140mg/Kg and 530mg/Kg, respectively. The results showed that calcium oxide treatment was not efficient to decontaminate the soil in this area. PMID:12764460

de Oliveira, Rosália Maria; Bastos, Lúcia Helena Pinto; de Oliveira e Dias, Ana Elisa Xavier; da Silva, Sérgio Alves; Moreira, Josino Costa

2003-05-15

133

ADICIONES AL CONOCIMIENTO DE LA DIVERSIDAD DE LOS HONGOS CONIDIALES DEL BOSQUE MESÓFILO DE MONTAÑA DEL ESTADO DE VERACRUZ  

Microsoft Academic Search

An account of 29 anamorphs and one holomorph species are presented, all of them were collected in several localities of the State of Veracruz, where small areas of cloud forest still remain. All the species are recorded for the first time to Mexico, many of them are scarcely known in the worldwide. Pictures and data about their distribution and substrates

GABRIELA HEREDIA ABARCA; REYES ESTEBANEZ Y ROSA; M. A. ARIAS MOTA; Carretera Antigua; Congregación El Haya; JULIO MENA PORTALES; ÁNGEL MERCADO SIERRA

2004-01-01

134

Producción de hojarasca en un bosque semideciduo estacional en São Pedro, Potirendaba, estado de São Paulo, Brasil  

Microsoft Academic Search

Litter production was determined during a year in a semideciduous forest located in Potirendaba, State of São Paulo, Brasil. Litterfall was collected at monthly intervals, from June 1999 to May 2000, by placing 15 traps of 0.25 m 2 of surface area. The material was separated into five components and the sorted samples were dried at 80ºC in order to

Maristela Sanches Bertasso-Borges; Dania Prieto Trueba; Fabrícia C. Peral; Cristiane A. R. Tamburi; Ronaldo Caseri; Rosalina Berazaín

135

Diversidad de Anamorfos de Ascomycota en bosques nativos de Celtis tala (Ulmaceae) en la Provincia de Buenos Aires, Argentina  

Microsoft Academic Search

Summary: Diversity of anamorphic fungi in Celtis tala (Ulmaceae) native forest from Buenos Aires province, Argentina. In this paper we analyze the diversity of species that compose the saprotrophic (anamorphic Ascomycota) fungi community in the leaf litter and soil in Celtis tala forest in Magdalena, located in the province of Buenos Aires. Seasonal samples were taken during two years (2004-2005),

NATALIA ALLEGRUCCI; LORENA ELÍADES; ANA MARÍA BUCSINSZKY; MARTA CABELLO; ANGÉLICA ARAMBARRI

136

OCUPACIONES HUMANAS TARDÍAS EN LA TRANSICIÓN BOSQUE ESTEPA: LA LOCALIDAD DE WINCHESTER (CURSO ALTO DEL RÍO CISNES, REGIÓN DE AISÉN)  

Microsoft Academic Search

** Y VALENTINA TREJO V. ABSTRACT We present new information regarding the final moments of steppe hunter-gatherers' occupation of Cisnes River basin. Results are new findings in the forest\\/steppe transition, particularly Winchester 1 site (CIS 074). We comment its importance and similarity to other steppe extra Andean records, like Appeleg 1 site (CIS 009). Finally, we discuss its chronology in

CÉSAR MÉNDEZ M; HÉCTOR VELÁSQUEZ M; VALENTINA TREJO V

2007-01-01

137

DISPERSIÓN DE SEMILLAS POR MURCIÉLAGOS EN UN BORDE DE BOSQUE MONTANO SEED DISPERSAL BY BATS IN A MOUNTAIN FOREST EDGE  

Microsoft Academic Search

Seed dispersal by bats has been overlooked and the effects of different vegetation types in this process are still unknown. We measured abundance and diversity of seeds dispersed by bats and other dispersal agents in a forest edge next to a young eucalyptus plantation in the Santuario de Fauna y Flora Otún-Quimbaya, Risaralda, Colombia. We compared seed shadows generated by

Sergio Estrada-Villegas; Jairo Pérez-Torres; Pablo Stevenson

2007-01-01

138

LOS BOSQUES TROPICALES AYUDAN A MODERAR EL CLIMA GLOBAL The tropical forests help to moderate the global climate  

Microsoft Academic Search

The importance of forests for the worlds ecological balance is pointed out, especially regarding the regulation of the global cli- mate. The interest of the industrialized countries towards the conservation of tropical forest is highlighted, what could explain their commitment to compensate those countries willing to main- tain their forest cover untouched. There is reference to the me- chanisms of

Anibal Luna Lugo

139

pH Dependence of Cyanide Binding to the Ferric Heme Domain of the Direct Oxygen Sensor from Escherichia coli (EcDosH) and the Effect of Alkaline Denaturation†  

PubMed Central

The spectrum of the ferric heme domain of the direct oxygen sensor protein from Escherichia coli (EcDosH) has been measured between pH 3.0 and 12.6. EcDosH undergoes acid denaturation with an apparent pKA of 4.24 ± 0.05 and Hill coefficient of 3.1 ± 0.6 and reversible alkaline denaturation with pKA of 9.86 ± 0.04 and Hill coefficient of 1.1 ± 0.1. Cyanide binding to EcDosH has been investigated between pH 4 and 11. The EcDosH/cyanide complex is most stable at pH 9 with a KD of 0.29 ± 0.06 ?M. The kinetics of cyanide binding are monophasic between pH 4 and 8. At pH 8.5 and greater, the reaction is biphasic with the fast phase dependent upon the cyanide concentration and the slow phase independent of cyanide. The slow phase is attributed to conversion of denatured EcDosH to the native state, with a pH-independent rate of 0.052 ± 0.006 s?1. The apparent association rate constant for cyanide binding to EcDosH increases from 3.6 ± 0.1 M?1 s?1 at pH 4 to 520 ± 20 M?1 s?1 at 11. The dissociation rate constant averages (8.6 ± 1.3) × 10?5 s?1 between pH 5 and 9, increasing to (1.4 ± 0.1) × 10?3 s?1 at pH 4 and (2.5 ± 0.1) × 10?3 s?1 at pH 12.2. The mechanism of cyanide binding is consistent with preferential binding of the cyanide anion to native EcDosH. The reactions of imidazole and H2O2 with ferric EcDosH were also investigated and show little reactivity.

Bidwai, Anil K.; Ok, Esther Y.; Erman, James E.

2008-01-01

140

Components of the Rv0081-Rv0088 Locus, Which Encodes a Predicted Formate Hydrogenlyase Complex, Are Coregulated by Rv0081, MprA, and DosR in Mycobacterium tuberculosis?†  

PubMed Central

Mycobacterium tuberculosis, the etiological agent of tuberculosis, remains a significant cause of morbidity and mortality throughout the world despite a vaccine and cost-effective antibiotics. The success of this organism can be attributed, in part, to its ability to adapt to potentially harmful stress within the host and establish, maintain, and reactivate from long-term persistent infection within granulomatous structures. The DosRS-DosT/DevRS-Rv2027c, and MprAB two-component signal transduction systems have previously been implicated in aspects of persistent infection by M. tuberculosis and are known to be responsive to conditions likely to be found within the granuloma. Here, we describe initial characterization of a locus (Rv0081-Rv0088) encoding components of a predicted formate hydrogenylase enzyme complex that is directly regulated by DosR/DevR and MprA, and the product of the first gene in this operon, Rv0081. In particular, we demonstrate that Rv0081 negatively regulates its own expression and that of downstream genes by binding an inverted repeat element in its upstream region. In contrast, DosR/DevR and MprA positively regulate Rv0081 expression by binding to recognition sequences that either partially or completely overlap that recognized by Rv0081, respectively. Expression of Rv0081 initiates from two promoter elements; one promoter located downstream of the DosR/DevR binding site but overlapping the sequence recognized by both Rv0081 and MprA and another promoter downstream of the DosR/DevR, Rv0081, and MprA binding sites. Interestingly, Rv0081 represses Rv0081 and downstream determinants following activation of DosRS-DosT/DevRS-Rv2027c by nitric oxide, suggesting that expression of this locus is complex and subject to multiple levels of regulation. Based on this and other published information, a model is proposed detailing Rv0081-Rv0088 expression by these transcription factors within particular growth environments.

He, Hongjun; Bretl, Daniel J.; Penoske, Renee M.; Anderson, David M.; Zahrt, Thomas C.

2011-01-01

141

As tentativas dos cognitivistas pioneiros  

Microsoft Academic Search

The tentatives of the pioneer cognitivists. This paper intends to offer more exact information about Oswald Külpe and his application of the experimental method on cognitive processes. How do we think? Are perceptive images always necessary to create our thinking? What is the speed of our thinking and how do we solve problems? With the support of his students -

Reinier Johannes; Antonius Rozestraten; Dom Bosco

2004-01-01

142

¡Dos es mejor que uno!  

Center for Food Safety and Applied Nutrition (CFSAN)

Text Version... Puerta a la Información de Seguridad Alimentaria del Gobierno: www. foodsafety.gov JMH Education Mark eting, Inc., New Y ork, NY More results from www.fda.gov/downloads/food/resourcesforyou

143

A EFICIÊNCIA DOS PROGRAMAS EDUCATIVOS IMPLEMENTADOS POR EMPRESAS E ORGÃOS GOVERNAMENTAIS COMO FORMA DE PREVENÇÃO AO IMPACTO AMBIENTAL CAUSADO PELO DESCARTE INCORRETO DAS EMBALAGENS DE AGROTÓXICOS EM CAMPOS GERAIS NO SUL DO ESTADO DE MINAS GERAIS  

Microsoft Academic Search

Este estudo atua com uma ferramenta de feedback quanto aos resultados obtidos com os programas educacionais em combate ao descarte incorreto de embalagens vazias no município de Campos Gerais no Sul do Estado de Minas Gerais. Os objetivos são mensurar a eficiência dos -programas educativos implementados por empresas e órgãos governamentais como forma de prevenção ao impacto ambiental causado pelo

Jairo Gustavo De Lima; Marcelo Marcio Romaniello; Cristhiane Oliveira Da Graca Amancio

2008-01-01

144

Impact of natural climate change and historical land use on vegetation cover and geomorphological process dynamics in the Serra dos Órgãos mountain range in Rio de Janeiro State, Brazil  

Microsoft Academic Search

The Serra dos Órgãos mountain range in the hinterland of Rio de Janeiro contains extensive remnants of the Atlantic Forest (Mata Atlântica) biome, which once covered about 1.5 million km² from Northeast to South Brazil and further inland to Paraguay and Argentina. As a result of historical deforestation and recent land use intensification processes today only 5 to 8% of

U. Nehren; D. Sattler; J. Heinrich

2010-01-01

145

COMO O COMPORTAMENTO DAS ABELHAS NA FLOR DO MORANGUEIRO (Fragaria ananassa Duchesne) INFLUENCIA A FORMAÇÃO DOS FRUTOS? HOW BEE BEHAVIOR ON STRAWBERRY FLOWER (Fragaria ananassa Duchesne) CAN INFLUENCE FRUIT DEVELOPMENT?  

Microsoft Academic Search

RESUMO: Para avaliar o efeito do comportamento de três espécies de abelhas na polinização e produção de morangos, flores primárias dos cultivares Oso Grande (OS) e Sweet Charlie (SC) foram expostas a diferentes tratamentos de polinização: OS - uma e quatro visitas por Trigona spinipes (Apidae), uma visita por Dialictus sp (Halictidae) e quatro visitas mistas (Apis mellifera e T.

Kátia Sampaio MALAGODI-BRAGA

146

Medida de Calor Espec´ ifico e Lei de Resfriamento de Newton: Um Refinamento na An ´ alise dos Dados Experimentais (Measurement of Specific Heat and Newton's Law of Cooling: A Refinement in the Analysis of the Experimental Data)  

Microsoft Academic Search

opria func ¸ ˜ ao que descreve a lei de resfriamento aos dados possibilitou a comparac ¸ ˜ ao imediata dos parˆ ametros obtidos experimentalmente com aqueles previstos pela teoria, e ha uma grande concordancia entre eles. A aplicac ¸ ˜ ao deste refinamento na determinac ¸ ˜ ao do calor espec´ ifico do alum´ inio indica que tal procedi-

Wilton Pereira da Silva; W. Precker

2003-01-01

147

DIREITO AMBIENTAL: PERCEPÇÃO DOS AGENTES ENVOLVIDOS NA DESTINAÇÃO FINAL DAS EMBALAGENS DE AGROTÓXICOS DE ACORDO COM A LEI 9.974\\/00 NA REGIÃO CAFEEIRA DO MUNICÍPIO DE LAVRAS NO SUL DE MINAS GERAIS  

Microsoft Academic Search

Esse trabalho procura discutir a aplicação da lei 9.974\\/00 (prevenção ao impacto ambiental causado pelo descarte incorreto das embalagens de agrotóxicos) na região cafeeira no município de Lavras no Sul de Minas Gerais através da percepção dos agentes envolvidos na comercialização e destinação final das embalagens de agrotóxicos (produtores, revendas autorizadas e Ministério Público).---------------------------------------------This reserch aims to discuss the law

Marcelo Marcio Romaniello; Cristhiane Oliveira Da Graca Amancio; Walter Braga Junior

2008-01-01

148

Microwave soil moisture retrieval under trees  

Technology Transfer Automated Retrieval System (TEKTRAN)

During 2007 a field experiment was conducted with a goal of optimizing microwave soil moisture retrieval algorithms for small to medium deciduous trees. After initial field checkout in Fall 2006, the ComRAD microwave truck instrument system was deployed to a test site with several stands of deciduo...

149

Dinámica de la descomposición de la hojarasca forestal en bosques de la cuenca del duero (provincia de zamora): Modelización de la pérdida de peso  

Microsoft Academic Search

Se ha estudiado la pérdida de peso en el proceso de descomposición de hojarasca en tres ecosistemas forestales de la zona semiárida Cuenca del Duero: un encinar climácico de Quercus rotundifolia Lam., un pinar paraclimácico de Pinus pinea L., y un pinar disclimácico de P. pinaster Ait. No se encuentran diferencias significativas entre la dinámica de descomposición de las hojas

I. M. Hernandez; I. Santa Regina; J. E Gallardo

1992-01-01

150

La fragmentación del bosque mesófilo de montaña y patrones de uso del suelo en la región oeste de Xalapa, Veracruz, México  

Microsoft Academic Search

The destruction of tropical montane cloud forest in the western region of Xalapa, Veracruz, has accelerated considerably in the last few decades. This paper objective was to determine the degree and pattern of fragmentation of cloud forest in this region. Thirty-three aerial photographs, scale 1: 20 000 (INEGI, 1993), were digitized and photo-interpreted to generate maps of vegetation and land-use.

Guadalupe Williams-Linera; Robert H. Manson; Eduardo Isunza Vera

151

DESTROYING THE MYTH: DEFORESTATION, RURAL EMPLOYMENT AND HUMAN DEVELOPMENT IN THE BRAZILIAN ATLANTIC FOREST Destruyendo el mito: deforestación, empleo rural y desarrollo humano en el Bosque Atlántico Brasileño  

Microsoft Academic Search

This paper questions the automatic relationship between deforestation, rural employment and human development, an argument usually presented by those defending the conversion of forests into agricultural land. This paper presents an econometric analysis to identify the relationship between deforestation and development variables for 1430 \\

Carlos Eduardo; Frickmann Young

152

Impact of natural climate change and historical land use on vegetation cover and geomorphological process dynamics in the Serra dos Órgãos mountain range in Rio de Janeiro State, Brazil  

NASA Astrophysics Data System (ADS)

The Serra dos Órgãos mountain range in the hinterland of Rio de Janeiro contains extensive remnants of the Atlantic Forest (Mata Atlântica) biome, which once covered about 1.5 million km² from Northeast to South Brazil and further inland to Paraguay and Argentina. As a result of historical deforestation and recent land use intensification processes today only 5 to 8% of the original Atlantic Forest remains. Despite the dramatic habitat loss and a high degree of forest fragmentation, the remnants are among the Earth’s most diverse habitats in terms of species richness. Furthermore, they are characterized by a high level of endemism. Therefore, the biome is considered a "hotspot of biodiversity". In the last years many efforts have been taken to investigate the Mata Atlântica biome in different spatial and time scales and from different scientific perspectives. We are working in the Atlantic Forest of Rio de Janeiro since 2004 and focus in our research particularly on Quaternary landscape evolution and landscape history. By means of landscape and soil archives we reconstruct changes in the landscape system, which are mainly the result of Quaternary climate variability, young tectonic uplift and human impact. The findings throw light on paleoecological conditions in the Late Quaternary and the impact of pre-colonial and colonial land use practices on these landscapes. In this context, a main focus is set on climate and human-driven changes of the vegetation cover and its consequences for the geomorphological process dynamics, in particular erosion and sedimentation processes. Research methods include geomorphological field studies, interpretation of satellite images, physical and chemical sediment and soil analyses as well as relative and absolute dating (Feo/Fed ratio and 14C dating). For the Late Quaternary landscape evolution, the findings are compared with results from paleoclimatic and paloecological investigations in Southeast and South Brazil using other dating techniques, such as pollen analysis. The impact of early civilizations on deforestation, forest fragmentation and geomorphological process dynamics is estimated on the basis of archaeological and anthropological findings. Furthermore, historical sources, such as written documents, maps, paintings and photographs, were collected and analysed to get a more detailed picture of the younger landscape history. As a result we present a landscape genetic model for the Late Quaternary in the Serra dos Órgãos mountain range and the Guanabara Basin. Based on a functional analysis of the natural process dynamics we reconstruct the human impact on the vegetation cover and related erosion and sedimentation processes in different time periods. According to this, the polycyclic climate fluctuations in the Pleistocene emerge as periods of stability and instability in the landscape system. During dry and cool periods of the Ice Ages forests drew back and erosion processes increased, causing higher erosion and deposition rates on slopes and stronger incision of river beds, accompanied by a deposition of gravels. The colluvial soils presently found in the mountain region were mainly deposited during the last instability period in the Late Pleistocene (Wisconsin) and Early Holocene. With the return of rainforests from their retreats under wetter climate conditions in the mid Holocene, slopes were stabilized under a dense vegetation cover. In the Late Holocene erosion conditions changed again with human deforestation and land use, which led to high erosion rates in the mountainous landscape. Concerning the human impact on rainforests and geomorphological process dynamics we give an overview of the pre-historical (Sambaqui, Tupi) and historical (colonial exploitation cycles) landscape transformation and degradation processes for different landscape units within the Serra dos Órgãos and its floodplains. The results not only give a detailed picture of historical land use patterns and landscape degradation processes, but also contribute to the understanding of rece

Nehren, U.; Sattler, D.; Heinrich, J.

2010-03-01

153

Dos siglos de vida académica (Continuación)  

Microsoft Academic Search

Continuació dels articles encomanats al secretari (ara per un nou titular) en els quals es presenta un extracte dels fets a partir de les actes de les sessions de l'Acadèmia, fins al 1900, any a partir del qual ja es publicaven els extractes en el Butlletí. Aquí, com a final, s'hi presenten els dels anys del 1851 al 1900. I

Joaquim Miret i Sans; Ernest Moliner i Brasés

1920-01-01

154

Dos siglos de vida académica (Continuación)  

Microsoft Academic Search

Continuació dels articles encomanats al secretari en els quals es presenta un extracte dels fets a partir de les actes de les sessions de l'Acadèmia, del 1729 fins al 1900, any a partir del qual ja es publicaven els extractes en el Butlletí. Aquí s'hi presenten els dels anys del 1791 al 1835, menys les dels 1808 al 21, les

Joaquim Miret i Sans

1920-01-01

155

27 CFR 9.175 - Dos Rios.  

Code of Federal Regulations, 2013 CFR

...TREASURY ALCOHOL AMERICAN VITICULTURAL AREAS Approved American Viticultural Areas...Eel River and the Middle Fork of the Eel River...intersection with the eastern boundary of section...line, crossing the Middle Fork of the...

2013-04-01

156

Evaluation of the DOS1600 Personal Dosimeter.  

National Technical Information Service (NTIS)

The U.S. Bureau of Mines (USBM) has tested a personal dosimeter for measuring radon decay products that is manufactured by Tom Scurry Associates. The tests were made to determine the accuracy of the dosimeter system for record keeping of radiation exposur...

R. F. Holub R. F. Droullard L. K. Killoran

1995-01-01

157

Identifying DOS Attacks Using Data Pattern Analysis  

Microsoft Academic Search

During a denial of service attack, it is difficult for a firewall to differentiate legitimate packets from rogue packets, particularly in large networks carrying substantial levels of traffic. Large networks commonly use network intrusion detection systems to identify such attacks, however new viruses and worms can escape detection until their signatures are known and classified as an attack. Commonly used

Mohammed Salem; Helen Armstrong

2008-01-01

158

Dos and Don'ts (Pregnancy)  

MedlinePLUS

... and chemicals, such as cleaning solvents, lead and mercury, some insecticides, and paint. Pregnant women should avoid ... mackerel, shark, and tilefish, which are high in mercury. • Avoid cont act with rodents and with their ...

159

AN?LISE DA INSER??O DOS TEMAS DE HUMANIDADES E ?TICA, COM METODOLOGIA DE APRENDIZAGEM BASEADA EM PROBLEMAS, EM CURRICULO M?DICO INTEGRADO EM ESCOLA P?BLICA NO DISTRITO FEDERAL, BRASIL  

PubMed Central

Objetivo Realizar uma análise da inserção da ética e humanidades no currículo do Curso de Medicina da Escola Superior em Ciências da Saúde - ESCS, escola pública do Distrito Federal, Brasil, de forma a contribuir com o processo de gestão curricular. Metodologia O Estudo é de coorte e documental. Foram pesquisados 37 termos relacionados à ética e 36 referentes à humanização nos objetivos educacionais e conteúdo dos módulos temáticos, habilidades e atitudes e interação ensino-serviço-comunidade, de 1a a 4a série e no programa do internato no currículo (ano 2006) e no projeto pedagógico do Curso de Medicina (2001). Resultados Maior inserção da humanização, ética e bioética na 1a e 2a série, quando comparado à inserção na 3a e 4a série e no internato, (IC95%-?=0,034, pvalue=0,007). Unidade de habilidades e atitudes: freqüência das 3 temáticas no currículo da 1a a 4a séries (IC95%-?=0,026, pvalue=0,013). Quando comparada a inserção entre o internato e as quatro primeiras séries, observa-se que nestas a inserção da temática humanização é superior (IC95%-?=0,042, pvalue=0,029). Conclusão O currículo desenvolvido no ano de 2006 na ESCS apresentou correlação com o projeto pedagógico do curso e contemplou a temática de forma abrangente, em todas as séries e internato.

Novaes, Maria Rita Carvalho Garbi; Novaes, Luiz Carlos Garcez; Guilhem, Dirce; Lolas, Fernando; Silveira, Carla; Guiotti, Murilo

2009-01-01

160

7 CFR 457.113 - Coarse grains crop insurance provisions.  

Code of Federal Regulations, 2010 CFR

...Counties, Texas, and all Texas counties lying south...Hamilton, Bosque, Johnson, Tarrant, Wise, Cooke Counties, Texas, and all Texas counties...Hamilton, Bosque, Johnson, Tarrant, Wise, Cooke Counties, Texas, and all Texas...

2010-01-01

161

PICHAÇÃO: A EFICÁCIA DOS TRATAMENTOS PREVENTIVOS NA LIMPEZA DOS REVESTIM ENTOS CERÂMICOS DE FACHADA  

Microsoft Academic Search

The present study aims at analyzing, after a previous selection, the efficiency of two different types of anti -graffiti products available in the Brazilian market, by means of molding mortar substrata coated by three types of ceramic boards and protected by two types of anti - graffiti products. Later on, it was made the measurement of the parameters of color

M. M. Resende; J. S. Medeiros

162

LORDOSE LOMBAR: ESTUDO DOS VALORES ANGULARES E DA PARTICIPAÇÃO DOS CORPOS VERTEBRAIS E DISCOS INTERVERTEBRAIS  

Microsoft Academic Search

SUMMARY The angular value of lumbar lordosis and the role of vertebral bodies and intervertebral discs in its constitution were studied in normal individuals. X-Ray images of lumbar spine were studied in 350 normal and asymptomatic individuals, ages ranging from 18 to 50 years old (average 29.0 years old ± 8.24), being 143 males and 207 females. The lumbosacral (L1S1)

LUIZ HENRIQUE; FONSECA DAMASCENO; SILVIO RICARDO; GUARNIERI CATARIN; ANTÔNIO DORIVAL CAMPOS; HELTON LUIS; APARECIDO DEFINO

163

Evidencia de alta concentración de masa en la región nuclear de una galaxia liner  

NASA Astrophysics Data System (ADS)

Usando técnicas de espectroscopía bidimensional en el telescopio de 1.54 m de Bosque Alegre, se obtuvo el campo de velocidades de la región nuclear de NGC 1672, galaxia LINER con un anillo circumnuclear de regiones HII. La curva de rotación media para los 2 kpc centrales sugiere la presencia de una gran concentración de masa (?c~ 1011Msolar /kpc3). Este resultado es respaldado por la presencia de ciertos caracteres morfológicos detectados en imágenes obtenidas con el mencionado telescopio. Según recientes simulaciones hidrodinámicas de galaxias barreadas, estos caracteres sugieren la presencia de altas densidades en las regiones nucleares. El análisis espectrofotométrico indicaría, además, la presencia de dos componentes en la emisión nuclear, con una diferencia de velocidades de ~ 200 km/s. La velocidad circular del gas ionizado a 125 pc del centro señalaría la existencia de una masa interior de ~ 7× 108Msolar .

Díaz, R.; Carranza, G.; Dottori, H.; Goldes, G.

164

Historia natural y conservación de los mutualismos planta-animal del bosque templado de Sudamérica austral Natural history and conservation of plant-animal mutualisms in the temperate forest of southern South America  

Microsoft Academic Search

The temperate forest of southern South America (TFSSA) has a highly endemic biota with a flora that exhibits one of the highest incidences of biotic pollination (particularly ornithophily) and animal dispersal (particularly endozoochory) found in any temperate biome worldwide. Much knowledge has been gained in the last few years on the nature of these mutualisms. In this study, we review

MARCELO A. AIZEN; DIEGO P. VÁZQUEZ; CECILIA SMITH-RAMÍREZ

165

Balancing Forest-Regeneration Probabilities and Maintenance Costs in Dry Grasslands of High Conservation Priority [Balanceando las Probabilidades de Regeneraci??n del Bosque y los Costos de Mantenimiento en Pastizales Secos de Alta Prioridad de Conservaci??n  

USGS Publications Warehouse

Abandonment of agricultural land has resulted in forest regeneration in species-rich dry grasslands across European mountain regions and threatens conservation efforts in this vegetation type. To support national conservation strategies, we used a site-selection algorithm (MARXAN) to find optimum sets of floristic regions (reporting units) that contain grasslands of high conservation priority. We sought optimum sets that would accommodate 136 important dry-grassland species and that would minimize forest regeneration and costs of management needed to forestall predicted forest regeneration. We did not consider other conservation elements of dry grasslands, such as animal species richness, cultural heritage, and changes due to climate change. Optimal sets that included 95-100% of the dry grassland species encompassed an average of 56-59 floristic regions (standard deviation, SD 5). This is about 15% of approximately 400 floristic regions that contain dry-grassland sites and translates to 4800-5300 ha of dry grassland out of a total of approximately 23,000 ha for the entire study area. Projected costs to manage the grasslands in these optimum sets ranged from CHF (Swiss francs) 5.2 to 6.0 million/year. This is only 15-20% of the current total estimated cost of approximately CHF30-45 million/year required if all dry grasslands were to be protected. The grasslands of the optimal sets may be viewed as core sites in a national conservation strategy. ??2010 Society for Conservation Biology.

Bolliger, J.; Edwards, Jr. , T. C.; Eggenberg, S.; Ismail, S.; Seidl, I.; Kienast, F.

2011-01-01

166

MICROFLORA CULTIVABLE Y ENDOMICORRIZAS OBTENIDAS EN HOJARASCA DE BOSQUE (PÁRAMO GUERRERO - FINCA PUENTE DE TIERRA) ZIPAQUIRÁ, COLOMBIA Cultivable Microflora and Endomycorrhizas Obtained in Litter Forest (Paramo Guerrero - Finca Puente de Tierra) Zipaquirá, Colombia  

Microsoft Academic Search

The count of cultivable microorganisms (bacteria and fungi), cellulolytic microor- ganisms and endomycorrhizas present in litter forest (property Puente de Tierra) in the Guerrero's moor, Colombia was made. The most frequently isolated microor- ganisms belonged to the Staphylococcus, Bacillus, Pseudomonas, Micrococcus, Penicillium and Rhodotorula genus and Cladosporium sp., which is a cellulolytic microorganism, was iso- lated in carboxymethyl cellulose agar.

ELEONORA BERNAL; SEBASTIÁN CELIS; XIMENA GALÍNDEZ; CLAUDIA MORATTO; JIMENA SÁNCHEZ; DANIEL GARCÍA

167

POBLACIONES VIABLES Y GRUPOS FUNCIONALES DE HONGOS PRESENTES EN SUELOS DE BOSQUE DE AraucariaNothofagus POST-INCENDIO (Viable populations and functional groups of fungi present in soils of Araucaria Nothofagus forests, after a fire)  

Microsoft Academic Search

This study examined the short-term effects of wildfire on fungal communities in an Andean ecosystem dominated by Araucaria araucana in Tolhuaca National Park in southern Chile. An extensive wildfire burned the area in February 2002. Soil samples were collected from two different depths ranges (0-20 and 20-40 cm) from a plot not affected by the fire (PC) and from burned

168

Corumbiara: o massacre dos camponeses. Rondônia\\/Brasil 1995  

Microsoft Academic Search

O massacre de Corumbiara mostra que o conflito na fazenda Santa Elina tem as mesmas características de milhares de conflitos por terra que aconteceram e acontecem no Brasil, e que o massacre de Corumbiara tem a mesma gênese de tantos outros massacres acontecidos contra camponeses, posseiros e índios ao longo de quinhentos anos de luta pelo acesso e posse à

Helena Angélica de Mesquita

2007-01-01

169

Document Image Archive Transfer from DOS to Unix.  

National Technical Information Service (NTIS)

An R&D division of the National Library of Medicine has developed a prototype system for automated document image delivery as an adjunct to the labor-intensive manual interlibrary loan service of the library. The document image archive is implemented by a...

S. E. Hauser M. J. Gill G. R. Thoma

1994-01-01

170

Spread-Identity mechanisms for DOS resilience and Security  

Microsoft Academic Search

The explosive growth in wireless (and wired) networking technologies and services indicates that multiple means of network connectivity will become available in the near future. For example, stationary and mobile hosts currently support Internet access via wired LANs, Wireless LANs\\/PANs (e.g., 802.11x, 802.15) or wide area wireless cellular phone and data networks (like GSM). In essence, heterogeneous multi-homing is now

Dhananjay S. Phatak

2005-01-01

171

Dos and don'ts in response priming research  

PubMed Central

Response priming is a well-understood but sparsely employed paradigm in cognitive science. The method is powerful and well-suited for exploring early visuomotor processing in a wide range of tasks and research fields. Moreover, response priming can be dissociated from visual awareness, possibly because it is based on the first sweep of feedforward processing of primes and targets. This makes it a theoretically interesting device for separating conscious and unconscious vision. We discuss the major opportunities of the paradigm and give specific recommendations (e.g., tracing the time-course of priming in parametric experiments). Also, we point out typical confounds, design flaws, and data processing artifacts.

Schmidt, Filipp; Haberkamp, Anke; Schmidt, Thomas

2011-01-01

172

Exercise beyond menopause: Dos and Don'ts.  

PubMed

With a significant number of women belonging to the status of menopause and beyond, it is imperative to plan a comprehensive health program for them, including lifestyle modifications. Exercise is an integral part of the strategy. The benefits are many, most important being maintenance of muscle mass and thereby the bone mass and strength. The exercise program for postmenopausal women should include the endurance exercise (aerobic), strength exercise and balance exercise; it should aim for two hours and 30 minutes of moderate aerobic activity each week. Every woman should be aware of her target heart rate range and should track the intensity of exercise employing the talk test. Other deep breathing, yoga and stretching exercises can help to manage the stress of life and menopause-related symptoms. Exercises for women with osteoporosis should not include high impact aerobics or activities in which a fall is likely. The women and the treating medical practitioner should also be aware of the warning symptoms and contraindications regarding exercise prescription in women beyond menopause. The role of exercise in hot flashes, however, remains inconclusive. Overall, exercising beyond menopause is the only noncontroversial and beneficial aspect of lifestyle modification and must be opted by all. PMID:22408332

Mishra, Nalini; Mishra, V N; Devanshi

2011-07-01

173

Los Dos Mundos: Rural Mexican Americans, Another America.  

ERIC Educational Resources Information Center

|This book explores race relations between Mexican Americans and Anglo Americans in "Middlewest," a fictitious name for an actual rural Idaho community with the highest proportion of Mexican Americans in the state. Many Mexican Americans in this predominantly agricultural area are current or former migrant workers. The first chapter describes…

Baker, Richard

174

Systems under Intelligent Distributed DoS Attacks  

Microsoft Academic Search

In the framework of a set of clients communicating with a critical server over the Internet, a recent approach to protect communication from Distributed Denial of Service (DDoS) attacks involves the usage of overlay systems. SOS, MAYDAY and I3 are such systems. The overlay system serves as an intermediate forwarding system between the clients and the server, where the systems

Xun Wang; Sriram Chellappan; Phillip Boyer; Dong Xuan

175

Chave de identifi cação dos Ctenophora da costa brasileira  

Microsoft Academic Search

Oliveira, O.M.P., Mianzan, H., Migotto, A.E. & Marques, A.C. Identifi cation key for the ctenophores from Brazilian coast. Biota Neotrop. Sep\\/Dez 2007 vol. 7, no. 3 http:\\/\\/www.biotaneotropica.org.br\\/v7n3\\/pt\\/ abstract?identifi cation-key+bn03507032007. ISSN 1676-0603. Although ctenophores are abundant and ecologically important in the marine environment, they are poorly known in the Brazilian coast. The present study is a taxonomic key for the ctenophores

Otto Müller; Patrão de Oliveira; Hermes Mianzan; Alvaro Esteves Migotto; Antonio Carlos Marques

176

Dos and Don'ts of intermittent self-catheterisation.  

PubMed

Clean intermittent self-catheterisation (CISC) is often a treatment option for both men and women with urinary retention and/or incontinence, particularly those with neurogenic bladder dysfunction. PMID:24121767

Woodward, Sue

2013-10-01

177

ORAMUS(DOS). Ozone Risk AssessMent Utilities  

SciTech Connect

ORAMUS is a user-friendly, menu-driven software system that calculates and displays user-selected risk estimates for health effects attributable to short-term exposure to tropospheric ozone. Inputs to the risk assessment are estimates of exposure to ozone and exposure-response relationships to produce overall risk estimates in the form of probability distributions. Three fundamental models are included: headcount risk, benchmark risk, and hospital admissions. Exposure-response relationships are based on results of controlled human exposure studies. Exposure estimates are based on the EPA`s probabilistic national ambient air quality standards (NAAQS) exposure model, pNEM/Osub3, which simulates air quality associated with attainment of alternative NAAQS. Using ORAMUS, risk results for 27 air quality scenarios, air quality in 9 urban areas, 33 acute health endpoints, and 4 chronic health endpoints can be calculated.

Whitfield, R.G.; Jusko, M.J. [Argonne National Lab., IL (United States); Biller, W.F. [William F. Biller Consultants, East Brunswick, NJ (United States)

1998-12-01

178

Dos Hermanas Chicanas: Overcoming Barriers to Professional Advancement  

ERIC Educational Resources Information Center

|Women and ethnic minorities face steep barriers to professional advancement, and those who rise to the executive level typically use a variety of strategies to overcome obstacles in their way. This study first reviewed the literature on barriers to professional advancement for women and ethnic minorities and the strategies that they report using…

Prospero, Moises

2007-01-01

179

Metahistorias medievales: Dos heterolog\\\\'\\\\i as cr\\\\'onicas  

Microsoft Academic Search

My thesis is a metahistorical analysis of the late 14th and early 15th century works of Pero Lopez de Ayala and Leonor Lopez de Cordoba. It focuses on the relationship between history and fiction within these texts as well as between the texts themselves and the mythico-poetical and cultural structures which inform them.^ The canonical chronicles of Ayala reflect the

Ruth Lubenow Haji-Ghassemi

1989-01-01

180

Sinopse dos marcos em matéria de segurança alimentar na ...  

Center for Food Safety and Applied Nutrition (CFSAN)

... 1995 Seafood Hazard Analysis Critical Control Point (Ponto de controle crítico para análise de risco em frutos do mar, HACCP na sigla em inglês ... More results from www.fda.gov/food/guidanceregulation/fsma

181

Fotodermatitis de contacto por dexketoprofeno. Descripción de dos casos  

Microsoft Academic Search

Dexketoprofen is the active isomer of ketoprofen and likewise belongs to the group of non-steoidal anti-inflammatory drugs (NSAIDs) derived from propionic acid. We have recently studied, using patch and photopatch tests, two women with a characteristic clinical picture of contact photo-dermatitis who had used topical dexketoprofen (Enangel®) in the days before onset of the rash. In both cases we used

R. González-Pérez; I. Trébol; I. García-Ríos; M. A. Arregui; R. Soloeta-Arechavala

2006-01-01

182

Animation of Disk Data Storage under MS-DOS  

NSDL National Science Digital Library

This is an animation with interactive buttons allowing the user to step through the components of a formatted disk. The illustration is that of a floppy disk, but the ideas apply to almost any disk format.

Ward, Charles

2009-12-03

183

ABORDAGENS TEÓRICAS DOS GRUPOS PRÉ- HISTÓRICOS CERAMISTAS NO NORDESTE  

Microsoft Academic Search

This paper presents the origins and theoretical approachs for the study of the ceramists pre-historical groups of Brasilian Northeast. The studies concerning these groups, begining with evolutionist, diffusionist and arthistic aproachs, are going through a new critical reflexion phase, in which the cultural traces are viemed in a system perspectives within a ecological and archaeological framework to prevent the isolated

CLÁUDIA A. OLIVEIRA

184

Suspeita de febre familiar dos cães shar-peis chineses  

Microsoft Academic Search

Chinese Shar-pei familial fever is a breed- associated hereditary autosomal recessive disease of Chinese Shar-pei dogs. A case of generalized amyloidosis in a 3- year-old female Chinese Shar-pei dog with a tentative diagnosis of familial Chinese Shar-pei fever is described. This animal had a clinical history of episodic bilateral swelling of the tarsal joints since 7-month-old. Vomiting, diarrhea, anorexia and

Médico Veterinário

185

Simulacao de aprendizado em teoria dos jogos aplicando modelos  

Microsoft Academic Search

Nos jogos repetidos com dois jogadores, pode- se escolher as chamadas estrategias mistas. Pesquisadores tem estudado os processos de aprendizado neste tipo de jogos, a saber, Fuden- berg, Quaegheber e de Cooman, entre outros. Serao apresentadas simulacoes de duas aborda- gens de aprendizado para jogos repetidos de dois jogadores: uma com modelo preciso de Dirich- let (MPD) e outra com

Lu ´ õs; H. de Santana; Francisco Ramos

186

DOS GENES AOS MEMES: A EMERGÊNCIA DO REPLICADOR CULTURAL  

Microsoft Academic Search

O objetivo desse trabalho é introduzir a memética, as investigações sobre os memes, unidades culturais de imitação que pretensamente são os átomos da cultura e da história. Partindo de uma analogia com a teoria do gene como nível fundamental de seleção, popularizada como a teoria do gene egoísta, a memética pretende propor modelos explicativos que podem ser úteis para compreender

Ricardo Waizbort

187

Histórias infantis: um recurso para a compreensão dos estados mentais  

Microsoft Academic Search

Children's storybooks: a resource to the understanding of mental states. This study examined a sample of 100 national children's storybooks directed to pre-school children aged four to six years to identify words\\/ utterances that denote mental states according to three views of analysis: via words and expressions in the text; via the pictures; and via presence of irony or false

Marisa Cosenza Rodrigues; Jacqueline Silva Rubac

2008-01-01

188

The dos and do knots of central venous catheterization.  

PubMed

Central venous catheterization plays an important role in patients with end-stage renal disease undergoing hemodialysis. Placement of a right subclavian hemodialysis catheter was complicated by looping and entrapment of the guidewire. Computed tomographic and three-dimensional scans were essential in locating and determining that the guidewire was outside the vessel. PMID:22414709

Vetrugno, Luigi; Piccoli, Gianluca; Costa, Maria Gabriella; Pompei, Livia; Chiarandini, Paolo; Morelli, Angelo; Della Rocca, Giorgio

2012-03-01

189

EVALUACION DE DOS HERBICIDAS Y DOS FORMAS DE APLICACION PARA EL CONTROL DE ZACATON (Paspalum virgatum) EN POTREROSI  

Microsoft Academic Search

Evaluation of two herbicides and two application methods to control razorgrass (Paspalum virgatum) in grasslands. Field tests were conducted in San Carlos, Alajuela, to evaluate the efficacy of both glyphosate and fluazifop- butyl to control razorgrass (Paspalum virgatum) in grasslands. Glyphosate was :1,;) applied at 1.2% and 33% with a knapsack sprayer and a rope-wick applicator, ;.1., respectively. Fluazifop-butyl was

Milton Villarreal; Warner Vargas

190

Influência dos exercícios perineais e dos cones vaginais, associados à correção postural, no tratamento da incontinência urinária feminina  

Microsoft Academic Search

Influence of Perineal Exercises and Vaginal Cones in Association with Corrective Postural Exercises, on Female Urinary Incontinence Treatment Objective: To investigate the influence of perineal exercises and vaginal cones in association with corrective postural exercises for static normalization of the pelvis, on female urinary incontinence treatment. Method: Twelve women with urinary incontinence complaints (mean age: 52.3 ± 9.7) were assessed

LM Matheus; CF Mazzari; RA Mesquita; J Oliveira

2006-01-01

191

Loading of phosphorus and nitrogen to Lake Waco, Texas  

Microsoft Academic Search

Cyanobacterial blooms in Lake Waco are linked to nutrient loading from the watershed. Direct measurement of nutrient levels over a period of 8 years facilitates calculation of loading of water, phosphorus (P) and nitrogen (N) to Lake Waco. The North Bosque River (NBR) provides 61% of the flow to Lake Waco, while the Middle Bosque River (MBR) contributes 15.5%. The

Kenneth J. Wagner

2010-01-01

192

Modelización de problemas de ordenación forestal con múltiples criterios. Una aplicación a la economía forestal cubana  

Microsoft Academic Search

Los bosques cubanos han sido objeto de un explotación indiscriminada durante muchos años, lo que ha provocado que se estén realizando grandes esfuerzos por el restablecimiento de los mismos y que se tienda a posiciones conservacionistas que provocan el envejecimiento de las masas. Como consecuencia de esta situación, tales bosques presentan una composición por edades desequilibrada. Así, en este trabajo

R. CABALLERO; T. GÓMEZ; J. MOLINA

2003-01-01

193

A FORMAÇÃO TEOLÓGICA DOS LEIGOS PARA O EXERCÍCIO DOS MINISTÉRIOS ECLESIAIS E AS PRÁTICAS SOCIAIS The impact of the western religion orientalization processes. A survey with university students  

Microsoft Academic Search

It is discussed the proposal of theological and pedagogical training of Disciples of Jesus, for the exercise of ecclesial ministries and pastoral practices in the light of the conclusions of the Fifth Conference of the Church of Latin America and Caribbean (2007). It is stood out the worry of the Church to promote and train disciples and missionaries for the

CLELIA PERETTI

194

Estudo dos efeitos da radiacao gama nas propriedades mecanicas e opticas dos policarbonatos. (Gamma radiation effect study in polycarbonate optical and mechanics properties).  

National Technical Information Service (NTIS)

Polycarbonates (PC) are used in different industrial applications due to their excellent dielectric characteristics, impact resistance, and high temperature resistance. In some of these applications, the polycarbonates are exposed to gamma radiation which...

E. S. Araujo

1991-01-01

195

Yellow-Billed Cuckoo Study Results, 2006: San Marcial, New Mexico.  

National Technical Information Service (NTIS)

During the summer of 2006, the Bureau of Reclamation conducted presence/absence surveys for the Western Yellow-billed Cuckoo (Coccyzus americanus occidentalis) (YBCU) along the Middle Rio Grande between the southern boundary of the Bosque del Apache Natio...

V. Johanson D. Moore D. Ahlers

2007-01-01

196

2006 Yellow-Billed Cuckoo Study Results. Appendix: Yellow-Billed Cuckoo Survey and Detection Forms. San Marcial, New Mexico.  

National Technical Information Service (NTIS)

During the summer of 2006, the Bureau of Reclamation conducted presence/absence surveys for the Western Yellow-billed Cuckoo (Coccyzus americanus occidentalis) (YBCU) along the Middle Rio Grande between the southern boundary of the Bosque del Apache Natio...

D. Ahlers D. Moore V. Johanson

2007-01-01

197

Planning for Large Scale Habitat Restoration in the Socorro Valley ...  

Treesearch

Source: In: Aguirre-Bravo, C.; Pellicane, Patrick J.; Burns, Denver P.; and Draggan, ... is being led by a nonprofit organization, the Save Our Bosque Task Force. ... as suitable for reestablishment of grasslands and more open forest/ savannas.

198

50 CFR 32.50 - New Mexico.  

Code of Federal Regulations, 2011 CFR

...prohibit the use of archery equipment at any time on the refuge except...93 of this chapter). D. Sport Fishing. [Reserved] Bosque...to leaving the refuge. D. Sport Fishing. We allow fishing...Hunting. [Reserved] D. Sport Fishing. [Reserved]...

2011-10-01

199

Treesearch - Forest Service Research & Development  

Treesearch

Treesearch: Your onestop site for US Forest Service Research and Development ... The effects of wildfire on native tree species in the Middle Rio Grande bosques of ... Surface modification of wood by alkoxysilane sol-gel deposition to create ...

200

40 CFR 81.134 - Austin-Waco Intrastate Air Quality Control Region.  

Code of Federal Regulations, 2010 CFR

...area so delimited): In the State of Texas: Bastrop County, Bell County, Blanco County, Bosque County, Brazos County, Burleson County, Burnet County, Caldwell County, Coryell County, Falls County, Fayette County, Freestone County, Grimes...

2009-07-01

201

Phosphorus Control Practices for Dairy Waste Application Fields Using a Phosphorus Risk Index  

Microsoft Academic Search

Acknowledgments Funding for this report was provided,under,Section 319(h) of the Clean Water Act through,the United States Environmental Protection Agency, Region 6, and the Texas State Soil and Water Conservation,Board for the demonstration,project Demonstration of Phosphorus Best Management,Practices in the North Bosque River Basin. The project was conducted,in coordination,with the USDA The Lake Waco\\/Bosque River Watershed Initiative funded,through the Natural Resource

Anne McFarland

202

Estudio multicéntrico de infecciones respiratorias agudas bajas en niños hospitalizados menores de dos años  

Microsoft Academic Search

Introduction. Acute lower respiratory infections (ALRI) account for 50% of pediatric hospital admissions and 70% of pediatric outpatient visits in winter. In 1997, an inpatient epidemiological study of ALRI was undertaken. The objectives were to define etiologic viral agents, analyze epidemiological variables, establish the incidence of nosocomial viral infections, and determine risk factors for mortality due to ALRI. Population, material

Ana Lucía Clary; Teresa Pereira; Liliana Sapoznicoff; Norma Schenone

2003-01-01

203

Análise cinemática bi-dimensional dos núcleos de NGC 4051 e NGC 4941  

NASA Astrophysics Data System (ADS)

Estudos recentes da cinemática da região dentro de 1 kpc do núcleo de galaxias Seyfert próximas usando espectroscopia de fenda longa com alta resolução espacial (~ 100 pc ou melhores) encontraram uma queda na dispersão de velocidades nas regiões centrais dentro de um raio de ~ 300 pc do núcleo. Essa queda vem sendo tentativamente explicada por um cenário evolutivo em que um evento de formação estelar recente cria as estrelas da região central em um disco de dimensões 300 pc. Desde sua criação, tais estrelas não tiveram tempo de "virializar", ou seja, seguir a distribuição radial de dispersões de velocidades determinada pelo campo gavitacional da galáxia e, portanto, a dispersão de velocidades medida nessa região do bojo acaba sendo menor do que a dispersão medida nas vizinhanças. No presente trabalho investigamos a cinemática estelar no núcleo das galáxias Seyfert NGC 4051 e NGC 4941 usando o tripleto do Ca ii (8500 Å) em absorção. Os dados foram obtidos com o IFU GMOS no telescópio Gemini. O elemento de resolução espacial nas galáxias é da ordem de 30 pc. No intervalo espectral coberto pelo espectrografo a linha [S iii] (9068 Å) também é visível, o que permite estudar a cinemática do gás na mesma região. Serão apresentados mapas bi-dimensionais da velocidade e dispersão de velocidades das estrelas e do gás, além de imagens na linha [S iii] que mapeia o gás de alta excitação.

Barbosa, F. K. B.; Storchi-Bermagnn, T.; Schmitt, H. R.; Cid Fernandes, R.; Winge, C.

2003-08-01

204

Jasmin i Frederic Mistral, dos models literaris per a Miquel dels Sants Oliver  

Microsoft Academic Search

M. S. Oliver l'any 1903 va publicar al Diario de Barcelona la secció «Literatura extrangera\\u000a», dedicada a l'anàlisi de l'obra d'alguns dels escriptors europeus més notables de l'època.\\u000aLa posició del crític, basada tant en criteris estètics com morals i polítics, s'expressava amb\\u000auna nitidesa absoluta. D'una banda, rebutjava tres tipus de literatura que aleshores tenien un\\u000agran predicament:

Damià Pons i Pons

2007-01-01

205

Exposição ambiental a desreguladores endócrinos: alterações na homeostase dos hormônios esteroidais e tireoideanos  

Microsoft Academic Search

Environmental exposure to endocrine disruptors: alterations in steroidal and thyroid hormones homeostasis Endocrine disruptors, exogenous compounds that alter the endogenous hormone homeostasis, have been systematically discharged in the environment during the last 60 years. These contaminants have been related to the decrease of human sperm number and increased of the incidence of testicular, breast and thyroid cancer. During the same

Natália V. Moraes; Marcella D. Grando; Daniel A. R. Valerio; Danielle P. Oliveira

206

Um protocolo de perda de peso e a participação dos proprietários no tratamento da obesidade canina  

Microsoft Academic Search

The success of a weight loss program for pets depends on the owners collaboration. Their compliance is fundamental in establishing the correct food management. The objective of this study was to compare the effectiveness of a weight loss program in two groups of dogs, one maintained under experimental conditions and the other with their owners. The same hypocaloric food was

Aulus Cavalieri Carciofi; Karina Nogueira; Venturelli Gonçalves; Ricardo Souza Vasconcellos; Rodrigo Sousa Bazolli; Márcio Antonio Brunetto; Flávio Prada

2005-01-01

207

“Entre Dos Mundos” (Between Two Worlds): Bicultural Skills Training with Latino Immigrant Families  

Microsoft Academic Search

This paper focuses on the acculturation model of second-culture-acquisition for Latino immigrants. Two theoretical frameworks,\\u000a assimilation and alternation theories, are compared within the acculturation model. Empirical research findings suggest that\\u000a assimilation is a risk factor for increases in negative health behaviors and mental health problems. Conversely, biculturalism\\u000a appears to be an emerging protective factor that buffers assimilation stress, enhances socio-cognitive

Martica L. Bacallao; Paul R. Smokowski

2005-01-01

208

Efeito do praziquantel incorporado a lipossomas nos diferentes estágios de desenvolvimento dos ovos de Schistosoma mansoni  

Microsoft Academic Search

RESUMO A esquistossomose mansônica é causada pelo trematódeo digenético intravascular Schistosoma mansoni. Para o tratamento dessa enfermidade o praziquantel (PZQ) e a oxamniquina (OXA) são os fármacos escolhidos. No entanto, esses fármacos apresentam limitações quanto à ação e casos de resistência ou tolerância já foram relatados. Por esse motivo, são necessários os estudos de novas alternativas que visam melhorar os

M. C. Pinto; A. L. R. Souza; S. M. Allegretti

209

Análise da contaminação dos sistemas hídricos por agrotóxicos numa pequena comunidade rural do Sudeste do Brasil  

Microsoft Academic Search

Recent advances in analytical techniques allow identifying pesticide pollution in water systems. In small rural communities, the negative effects of pesticide pollution can be aggravated by the lack of infrastructure and adverse socioeconom- ic conditions. This study investigated pesticide pollution in potential water supply sources in a tomato growing area in Paty do Alferes, Rio de Janeiro State, Brazil. The

Marcelo Motta Veiga; Dalton Marcondes Silva; Lilian Bechara Elabras Veiga; Mauro Velho de Castro Faria

2006-01-01

210

Granitic Rocks of the Rio dos Bugres Mine: Host Rocks of Fluorite Deposits in Southernmost Brazil  

Microsoft Academic Search

Most fluorite deposits in southernmost Brazil are hosted by Neoproterozoic granitic associations. Fluorite deposits are, nevertheless, much younger than granitic magmatism, and the only probable role of granitic rocks in fluorite genesis was as a source of F. This paper characterizes granitic-dioritic associations in which these fluorite lodes and veins are localized. The granitic suite includes quartz diorites, tonalites, biotite-bearing

J. A. Flores; L. V. S. Nardi; M. L. L. Formoso; A. Meunier; M. L. Pascal; M. Fonteilles; A. C. Ferreira

2006-01-01

211

Notas sobre dos autores mejicoamericanos de California (Notes on Two Mexican-American Authors in California).  

ERIC Educational Resources Information Center

|This paper discusses the work of two Mexican American authors, Jose A. Villerreal and Richard Vazquez, using "Pocho" by Villarreal and "Chicano" by Vazquez as the focus for discussion. Both authors describe the world of Mexican Americans and their social conditions, and both underscore the need for conserving their native culture and reject the…

Moesser, Alba

212

Avaliação dos Principais Déficits e Proposta de Tratamento da Aquisição Motora Rolar na Paralisia Cerebral  

Microsoft Academic Search

RESUMO Sabendo-se que crianças com paralisia cerebral apresentam atraso para as aquisições motoras, este estudo teve por objetivo verificar os principais déficits e propor um tratamento visando a aquisição motora rolar em pacientes com paralisia cerebral, com idade maior que seis meses que ainda não apresentavam esta função. A partir de uma pesquisa bibliográfica previamente realizada foi elaborado um guia

Elaine da Silva Peixoto; Carla Mazzitelli

213

Protecting Web Services from DoS Attacks by SOAP Message Validation  

Microsoft Academic Search

Though Web Services become more and more popular, not only inside closed intranets but also for inter-enterprise communications, few eorts have been made so far to secure a Web Service's availability. Existing security standards like e.g. WS-Security only address message integrity and confidentiality, and user authentication and authorization. In this article we present a system for protecting Web Services from

Nils Gruschka; Norbert Luttenberger

2006-01-01

214

Efficient Trapdoor-Based Client Puzzle Against DoS Attacks  

NASA Astrophysics Data System (ADS)

It is well known that authentication, integrity, and confidentiality are the most important principles of network security. However, recent reports about a number of prominent Internet service providers that broke down because of malicious attacks [2, 3, 32,32] urge people to realize that all security principles must be based on service availability. “Availability” in this context refers to a service that can be accessed within a reasonable amount of waiting time after a legitimate client sends a request.

Gao, Yi; Susilo, Willy; Mu, Yi; Seberry, Jennifer

215

INTEGRAÇÃO DOS ATIVOS INTANGÍVEIS NO PROCESSO DE PLANEJAMENTO ESTRATÉGICO: UMA REVISITA À MATRIZ SWOT  

Microsoft Academic Search

The globalized era, full of innovations, brought about an increase in the importance of information and knowledge in the business area, causing a migration from tangible (concrete) to intangible (abstract) assets inside the companies. This paper aims to evaluate how the assets (tangible and intangible) that compose the companies' capital (physical, financial, human and organizational) can be taken into account

Dalton Oswaldo BUCCELLI; Silvio POPADIUK

2007-01-01

216

O papel dos Larídeos como portadores de Salmonella e Listeria spp  

Microsoft Academic Search

Resumo: Tal como noutros países, a população de gaivotas (larídeos) aumentou exponencialmente em Portugal. Para averi- guar as implicações na Saúde Pública deste sobrecrescimento, duzentas e oitenta e cinco amostras de fezes de gaivotas foram analisadas para dois agentes potencialmente patogénicos para o Homem, Salmonella spp. e Listeria sp. Isolou-se Salmonella sp em trinta e sete amostras (13%). Os serotipos

E. L. Duartea; M. M. Guerra; F. M. Bernardo; CIÊNCIAS VETERINÁRIAS

217

Determinación fotométrica de parámetros fundamentales de dos cúmulos abiertos del cuarto cuadrante Galáctico  

NASA Astrophysics Data System (ADS)

We present preliminary results obtained from a photometric analysis in the Washington system C and T_{1} passbands of two poorly known open clusters (OCs) located in the fourth Galactic quadrant: BH 84 and BH 211. Based on the best fits of theoretical isochrones to the (T_1,C-T_1) colour- magnitude diagrams, we derive the fundamental cluster parameters. The present results are part of a major project which aims to characterize almost a hundred OCs observed and analyzed in a homogeneous way. FULL TEXT IN SPANISH

Marcionni, N.; Parisi, M. C.; Clariá, J. J.; Ahumada, A. V.; Palma, T.; Piatti, A. E.

218

DOS Kapital: Has antitrust action against Microsoft created value in the computer industry?  

Microsoft Academic Search

Antitrust enforcement that efficiently constrains Microsoft's behavior benefits firms supplying complements to and\\/or substitutes for Microsoft's operating system and applications software. However, from 1991 through 1997, 29 reports of federal antitrust enforcement action against Microsoft were accompanied by declines in the value of an index of 159 computer industry firms (excluding Microsoft). The mean loss to those firms exceeded $1

George Bittlingmayer; Thomas W. Hazlett

2000-01-01

219

Preventing DoS Attacks in Peer-to-Peer Media Streaming Systems  

Microsoft Academic Search

This paper presents a framework for preventing both selfi shness and denial-of-service attacks in peer-to-peer medi a streaming systems. Our framework, called Oversight, ach ieves prevention of these undesirable activities by run ning a separate peer-to-peer download rate enforcement protocol along with the underlying peer-to-peer media streaming protocol. This separate Oversight protocol enforces dow nload rate limitations on each participating

William Conner; Klara Nahrstedt; Indranil Gupta

2006-01-01

220

Counter-orbiting tidal debris as the origin of the MW DoS  

NASA Astrophysics Data System (ADS)

The Milky Way satellite galaxies show a phase-space distribution that is not expected from the standard scenario of galaxy formation. This is a strong hint at them being of tidal origin, which would naturally explain their spacial distribution in a disc of satellites. It is shown that also their orbital directions can be reproduced with the debris of galaxy collisions. Both co- and counter-orbiting satellites are formed naturally in merger and fly-by interactions.

Pawlowski, M. S.

2012-02-01

221

AVALIAÇÃO DE IMPACTOS ECONÔMICOS DA PESQUISA PÚBLICA PAULISTA: O CASO DOS CULTIVARES DE AMENDOIM  

Microsoft Academic Search

The objective of this paper was to measure the econ omic impacts of three IAC peanuts cultivars. Incremental ratio on the production valu e and economic surplus based-methods were utilized in the impact evaluation. The results showed internal rate of return between 38.0 and 39.7 to the peanut genetic improvement inv estments in the State of São Paulo, Brazil, for

Apresentação Oral-Ciência; ROBERTO VICENTE; RENATA MARTINS

222

One? "Dos" Drei. A Study of Code Switching in Child Trilingualism  

ERIC Educational Resources Information Center

|This longitudinal study focuses on the language production of two siblings, aged 6 and 9 at the beginning of the data collection period, who have been brought up in a bilingual family in New York. The parents of the two girls are native speakers of German and Spanish, respectively, and English for them is the language of education and the larger…

Davidiak, Elena

2010-01-01

223

IDENTIFICAÇÃO MICROSCÓPICA DOS PÊLOS DAS ESPÉCIES BRASILEIRAS DE ALOUATTA LACÉPÈDE, 1799 (PRIMATES, ATELIDAE, ALOUATTINAE)  

Microsoft Academic Search

Microscopic identification of the hairs of Brazilian Alouatta Lacépède, 1799 species (Primates, Atelidae, Alouattinae). The hair structure of five species of Brazilian howler monkeys is described. The hairs were cleared to reveal the medulla cells and impressions were made of the cuticle. A new cuticle scale pattern and four new medulla cell patterns are described. The cuticle scales in Alouatta

BIANCA INGBERMAN; EMYGDIO L. A. MONTEIRO

224

LA PRIMERA FRASE... Y EL FINAL DEL CUENTO: DOS CUENTOS MARAVILLOSOS DE CARMEN MARTÍN GAITE  

Microsoft Academic Search

An analysis of the structure of two short stories by Carmen Martín Gaite: El Castillo de las Tres Murallas and El Pastel del Diablo (The Devil's Cake). These short stories follow the traditional structure of the quest and the journey, but they also propose an interpretatio n from within that reflects and completes the tale.

Ma VICENTA; HERNÁNDEZ ÁLVAREZ

225

EFEITO DO CONTATO DOS FRUTOS DO CAFEEIRO COM O SOLO DA LAVOURA EM SUA QUALIDADE FINAL  

Microsoft Academic Search

The production of high quality coffee depends on the way the product is handled during post harvest procedures, mainly in the drying phase. The objective of this work was the evaluation of coffee quality from coffee fruits submitted to sun drying, after different periods of time in contact with the crop soil. It was studied the effect of on soil

Martins NOGUEIRA

226

COLONIZADOR E COLONOS: NA FRONTEIRA DA TERRA O LIMITE DOS SONHOS DE UM FUTURO PROMISSOR  

Microsoft Academic Search

RESUMO - O município de Alta Floresta- MT situado na Amazônia norte Mato- grossense foi colonizado na década de 70. Neste local, a colonizadora INDECO, encontrou as condições ideais para instalar um projeto que deveria assentar pequenos agricultores da região sul (colonos) que estavam enfrentando problemas nas suas terras de origem. Esse projeto foi construído sobre o tripé Educação \\/

ROSANE DUARTE ROSA; CLAILTON LIRA PERIN; ROSALVO DUARTE ROSA

227

Costos secundarios por infecciones nosocomiales en dos unidades pediátricas de cuidados intensivos  

Microsoft Academic Search

Objective. We estimated associated costs to nosocomial infections in two pediatric intensive care units in Mexico City. Material and methods. A transversal study in the neonatal (NICU) and pediatric (PICU) intensive care units, was done. We reviewed use and cost of diagnostic procedu- res, medications, and excess of hospital stay. Results. There were 102 infections, 46 in the NICU and

Susana Navarrete-Navarro; Gerardo Armengol-Sánchez

1999-01-01

228

Polarización e hibridación. Cuestionando dos fenómenos en las ciudades de nuestro tiempo  

Microsoft Academic Search

The main cities of our time - the time of globalization - confront socioeconomic and sociocultural phenomena manifested in physical-spatial segregations, producing dual urban structures that accentuate the social and economic polarization among their inhabitants. This unbalanced situation originates energetic migratory movements, of low-income individuals and social groups toward foreign urban contexts, in search of a better situation. The celerity

Huáscar Bolívar Vallejo

229

Network Flow Transshipment Model for Use on MS-DOS Micro Computers: Users Manual.  

National Technical Information Service (NTIS)

The Fortran-based microcomputer model for analysis of transportation transshipment problems adapted a Fortran IV program for mainframe computer developed by Dr. Ming H. Chow at Kansas State University in 1984. The program is a network flow model utilizing...

R. Phillips

1993-01-01

230

Perfil e Padrões de Prática dos Fisioterapeutas no Futebol em Portugal - um Estudo Observacional  

Microsoft Academic Search

Introduction \\/ Relevance: Sports Physiotherapy is the area of physiotherapy involved in prevention, treatment and rehabilitation of disorders and \\/ or injuries resulting from sport and \\/ or physical activity, that involves models and standards of good practices that ensure the quality of the intervention. Objectives: The purpose of this study was to identify and characterize the profile and practice

Duarte Pereira

231

Análise de Tráfego Peer-to-Peer baseada na Carga Útil dos Pacotes  

Microsoft Academic Search

It is increasingly necessary to identify and successfully characterize peer-to-peer (P2P) traffic as it predominates in the Internet. Yet there is however no proven methodology to achieve this as it often hides itself behind well-known services and does not maintain fixed port numbers. This work analyses P2P traffic by examining packet load in the Brazilian academic network (RNP) and a

Guthemberg Silvestre; Carlos Kamienski; Stênio Fernandes; Dênio Mariz; Djamel Sadok

232

Dos and Don'ts of Giving OTC Cough and Cold Medicines to Your Child  

MedlinePLUS

... things you can do to help your child sleep better. Funding and support for this material have been provided by the Consumer Healthcare Products Association. Written by familydoctor.org editorial ...

233

AMBIENTE VIRTUAL PARA QUANTIFICAÇÃO DA INFLUÊNCIA DOS ESTÍMULOS COLORIDOS NO DESEMPENHO DE HIPERATIVOS  

Microsoft Academic Search

Recent subjective studies show that the performance of attention deficit hyperactivity disorder (ADHD) patients is affected by colors. This paper describes a quantitative performance evaluation of this behavior using computer games. Two versions were developed. Depending on the version, hints were represented in green and red or blue and yellow. The version were used with 32 volunteers, 16 with ADHD

A. P. Silva; A. F. Frère; L. F. Bissaco

234

Investigação da infância e crianças como investigadoras: metodologias participativas dos mundos sociais das crianças  

Microsoft Academic Search

In the second modernity the childhood participation is assumed as a fundamental principle to a large extent of the scientific speeches that are produced concerning childhood. The Sociology of Childhood, when considering the children as social actors and as citizens of rights, assumes the question of children's participation as central in the definition of a social statute of childhood and

Natália Fernandes Soares; Manuel Jacinto Sarmento; Catarina Tomás

235

EVOLUÇÃO DAS EXPORTAÇÕES, COMÉRCIO INTRASETORIAL E IMPACTOS AMBIENTAIS DOS NEGÓCIOS INTERNACIONAIS DE MADEIREIRA BRASILEIRA  

Microsoft Academic Search

O Brasil é importante exportador de madeira do mundo, tendo como principais mercados de destino os Estados Unidos e a União Européia. Desse modo, nesse estudo pretende-se estimar as equações de oferta e demanda por exportação madeireira do Brasil para os Estados Unidos e a União Européia; identificar as fontes de comércio madeireiro do Brasil nos seus principais mercados de

Rachel Silva Almeida; Rosemeiry Melo Carvalho; Ruben Dario Mayorga Mera

2008-01-01

236

DIAGNÓSTICO ESTRATÉGICO: ANÁLISE DOS AMBIENTES INTERNO E EXTERNO DE UMA AGROINDÚSTRIA GOIANA  

Microsoft Academic Search

O objetivo deste estudo foi prospectar cenários para a unidade em estudo; e desenvolver um diagnóstico estratégico do processo de produção de óleos vegetais da organização em estudo. Quanto à metodologia, trata-se de uma pesquisa-ação, cujos dados foram obtidos por fontes primárias e secundárias. Para retratar a análise do ambiente interno e possibilitar acompanhamento das mudanças, pela proposta de Mintzberg,

Christian Drees; Eliane Moreira De Sa Souza; Odilon Jose De Oliveira Neto; Reginaldo Santana Figueiredo

2008-01-01

237

On the Effectiveness of Secure Overlay Forwarding Systems under Intelligent Distributed DoS Attacks  

Microsoft Academic Search

Abstract In the framework of a set of clients communicating with a critical server over the Internet, a recent approach to protect communication,from Distributed Denial of Service (DDoS) attacks involves the usage of overlay systems. SOS, MAYDAY and I3 are such systems. The overlay system serves as an intermediate forwarding system between the clients and the server, where the systems

Xun Wang; Sriram Chellappan; Phillip Boyer; Dong Xuan

2006-01-01

238

El laberinto espacio-temporal en dos relatos de El llano en llamas de Juan Rulfo  

Microsoft Academic Search

The pattern of Latin American Boom criticism developed by Donald L. Shaw established that Juan Rulfo's protagonists are universal, not regional. In this interpretative mode, espoused by Graciela B. Coulson and others, Rulfo's characters are viewed as powerless to alter their own destinies. Humans are dominated and doomed by the hostile natural world that surrounds them. However, through a detailed

Juan Martínez Millán

2010-01-01

239

Processo de semeadura e o rendimento do milho na região dos Campos Gerais do Paraná  

Microsoft Academic Search

In the region of Campos Gerais, Paraná, Brazil, corn fields cover about one third of no-tillage summer cropland. Before introducing alternative forms of management, it is necessary to gather information on variables that influence crop yield. This paper was aimed at correlating corn yield with chemical and physical soil variables, and human variables, considering spatial variability in the region. The

Marcelo José; Colet I; Pedro Henrique; Weirich Neto II; Paulo William Garbuio

2007-01-01

240

GESTÃO DOS RESÍDUOS SÓLIDOS URBANOS: DESAFIOS E PERSPECTIVAS PARA OS GESTORES PÚBLICOS  

Microsoft Academic Search

In the last decades, Brazilian cities have had a faster urbanization process, which represents one of the main challenges for the public managers. Probably, more than a half of the global population lives in urban centers, what increases the necessity of solid waste management in these areas. The problematical that involves the waste, according to Ferreira (2000), exceeds the technique

DANIELA ALTHOFF PHILIPPI; MARIA APARECIDA PASCALE

241

Deposition dos and don'ts: strategies for the expert witness.  

PubMed

The deposition is an important stage in the legal process, which poses special challenges for the deponent. This article reviews those challenges from the standpoint of the expert witness, addressing the stages of the deposition, the deposing attorney's strategies, the role and goals of the expert witness serving as the deponent, the approach to answering the attorney's questions, strategies for clarifying or reframing those questions, and the approaches to reviewing the deposition after the transcript has been printed. The article emphasizes tricks and traps used by the deposing attorney and how to avoid them. PMID:23107572

Gutheil, Thomas G

2012-10-04

242

Ética Hoje: Características e Relação a partir dos Pensamentos Filosóficos de Apel e Ricoeur  

Microsoft Academic Search

In view of the crisis of metaphysics, decentralization of the subject and, especially, the crisis of ethical values in our time, we will establish the key features and a possible relationship between ethics and ethical discourse itself in the thoughts of the Apel and Ricoeur from the \\

Aluisio Antônio; Bezerra de Carvalho

243

Detecting Ringing-Based DoS Attacks on VoIP Proxy Servers  

Microsoft Academic Search

NGN (Next Generation Network) is often called all-IP network as the general idea behind NGN is that one network transports\\u000a all information and services. When NGN is deployed in a large scale, VoIP will eventually replace PSTN, the traditional model\\u000a of voice telephony. While VoIP promises both low cost and a variety of advanced services, it may entail security vulnerabilities.

Dae Hyun Yum; Sun Young Kim; Hokun Moon; Mi-yeon Kim; Jae-hoon Roh; Pil Joong Lee

2009-01-01

244

Utilidad de dos marcadores biológicos de infección bacteriana en niños menores de 2 años  

Microsoft Academic Search

IntroductionProcalcitonin (PCT) increases in bacterial infections. C reactive protein (CRP) rises in inflammatory processes regardless of origin. Due to its shorter half-life and a more rapid increase, PCT offers potential advantages over CRP in the early diagnosis of bacterial infection.

José Luis Pascual Gómez; Matilde Palanca Giménez; Francisco Bermudo Guitarte; Miguel Valle Jiménez; Félix Gascón Luna

2009-01-01

245

USO DE UNA ZEOLITA CUBANA EN CULTIVOS DE DOS ESPECIES DE MICROALGAS MARINAS  

Microsoft Academic Search

A natural zeolite Cuban was used enriched for the cultivation of the marine microalgae Tetraselmis suecica and Chaetoceros ceratosporum, species used in the feeding of shrimp larvae in cultivation. Different zeolite concentrations were proven (5, 10 and 25 mg\\/L) adding it to the culture media Guillard \\

Sylvia Leal; Elvira Alfonso; Rafael Curbelo

246

Influencias africanas na lingua brasileira dos terreiros (African Influences in Brazilian Language of the Voodoo Rites).  

ERIC Educational Resources Information Center

Discusses how determination of lexical items with Sub-Saharan origin in songs of voodoo rites of candomble and umbanda in southern and northeastern Brazil is complicated by factors like existence of phonological correspondence without accompanying semantic correspondence, difficulty of determining meaning of word in a given text, and high…

Megenney, William W.

1991-01-01

247

Comparação dos resultados do OPD-Scan e performance visual das lentes intraoculares monofocal e multifocal  

Microsoft Academic Search

Purpose: To compare the visual outcome, contrast sensitivity and wave- front analysis of patients that underwent cataract surgery and implantation of AcrySof SN60D3 multifocal intraocular lens with those who received the AcrySof SN60AT monofocal IOL. Methods: This was a prospective clinical trial of forty eyes that received the multifocal IOL and thirty-two eyes that received the monofocal IOL after phacoemulsification.

Wilson Takashi Hida; Newton Kara-José Junior; Emerson Alves; Marcel Tadeu; Lívio Neiva Cordeiro; Celso Takashi Nakano

248

ANÁLISE ESTRATÉGICA DA TERCEIRIZAÇÃO DOS SERVIÇOS DE ENGENHARIA EM UMA SIDERÚRGICA: VANTAGENS E DESVANTAGENS PERCEBIDAS  

Microsoft Academic Search

Resumo A busca por metodologias e formas de gestão capazes de garantir uma maior competitividade mundial exige que as organizações criem e implementem alternativas cada vez mais inovadoras. A terceirização como uma prática de gestão, vem suprir uma necessidade de especialização nas organizações. Criada inicialmente para atender as atividades denominadas atividade-meio. A terceirização evoluiu e já está sendo aplicada a

Mário César; Barreto Moraes; Sandra Regina; Bernardes Tratt; Graziela Dias Alperstedt; Sandro dos Santos

2006-01-01

249

Aspectos linguisticos dos emprestimos em portugues (Linguistic Aspects of Adaptation into Portuguese).  

ERIC Educational Resources Information Center

Examines the process through which modern Portuguese borrows from other languages, mainly French and English. Portuguese adapts these derivatives to conform to its own rules of phonology, morphology, and semantics. (four references) (Author/CK)

Harmon, Ronald M.

1994-01-01

250

Polímeros biodegradáveis - uma solução parcial para diminuir a quantidade dos resíduos plásticos  

Microsoft Academic Search

BIODEGRADABLE POLYMERS - A PARTIAL WAY FOR DECREASING THE AMOUNT OF PLASTIC WASTE. The large use of plastics has generated a waste deposit problem. Today plastic wastes represent 20% in volume of the total waste in the municipal landfills. To solve the disposal problem of plastics methods have been employed such as incineration, recycling, landfill disposal, biodegradation and the use

Sandra Mara Martins Franchetti; José Carlos Marconato

2006-01-01

251

Maturação biológica, prática desportiva e somatótipo de crianças e jovens madeirenses dos 10 aos 16 anos  

Microsoft Academic Search

Biological maturation, sports practice and somatotype of children and youth aged 10 to 16 years of Madeira Islands The aim of this study is to quantify the possible changes in somatotype associated with physical activity and biological maturation. The sample comprised 309 subjects (157 boys and 152 girls) aged 10 to 16 years that participated in Madeira Growth Study. Physical

DL Freitas; CA Silva; JA Maia; GP Beunen; AL Rodrigues; MA Thomis

252

Dos nuevas especies del género Squatina (Chondrichthyes: Squatinidae) del Golfo de México  

Microsoft Academic Search

Two new species of the genus Squatina (Chondrichthyes: Squatinidae) from the Gulf of Mexico. Two undescribed species of the genus Squatina, caught by bottom-trawl during the OGMEX VIII, IX and PROBEMEX II oceanographic cruises were compared with S. dumeril Lesueur, 1818, the only well known spe- cies from the northern Gulf of Mexico. The collections were made off Tamaulipas, Veracruz

José Luis Castro-Aguirre; Héctor Espinosa Pérez; Leticia Huidobro Campos

2006-01-01

253

ANÁLISE DOS USOS DO TEMPO ENTRE CRIANÇAS ACERCA DAS RELAÇÕES DE GÊNERO E DE CLASSE SOCIAL  

Microsoft Academic Search

Temporalities are to be organized in the relation with several factors considered interchangeable. Among the most important factors we have: gender, social class, work, education, urbanization and industrialization. The research analyses the time use of a group of children from medium class. It also compares these data with the data acquired in the previous research with a group of children

Marie Jane; Soares Carvalho

254

A COBRA FUMOU NA ITÁLIA: OS ALICERCES DO COTIDIANO DOS PRACINHAS BRASILEIROS NO FRONT  

Microsoft Academic Search

The Second World War (1939-1945) was the more intense armed conflict of the XX century. In addition to dozen of countries which has been directly involved, a number of another ones were forced to participate in both sides. Divided in Allied and Axis, the countries of all the world fought against each other, resulting the death of million of persons

Anysio Henriques Neto

2009-01-01

255

Problema dos tres corpos em mecanica quantica. (Three-body problem in quantum mechanics).  

National Technical Information Service (NTIS)

Different methods used in the analysis of the scattering of an elementary particle by a system of two bound particles are compared. All particles are considered spinless and distinguishable from each other. Two approaches are used in the treatment of the ...

A. C. B. Antunes

1973-01-01

256

DESCRIÇÃO ANATÔMICA DOS TESTÍCULOS E CORPOS ADIPOSOS DE Scinax fuscovarius (ANURA, HYLIDAE)  

Microsoft Academic Search

Anatomical description ofthe Scinaxfuscovarius fat bodies and testes (Anura, HyUdae). This report describes general anatomical and histological characteristics of the Scinax (uscovarius fat bodies and testes. From 15 adult males collected at the Botucatu city area (São Paulo, Brazil), ten animais were macroscopically observed and five were submitted to histological analysi. The testes are ovoid organs that are located ventrally

Carlos Alberto Vicentini

257

Energy policy: DOs and DON'Ts for the 1980s  

Microsoft Academic Search

The short term often seems more of a threat than the long term because possible oil-supply disruptions appear worse than the long-term economic adjustments. US energy use became 10% more efficient during the 1970s, and the number of Btus consumed per dollar of gross national product is declining as conservation becomes respectable. Better energy use requires that people have technical

Landsberg

2009-01-01

258

Ultrafast display buildup with standard VGA on MS-DOS computers  

Microsoft Academic Search

Tachistoscopic examinations, determinations of reaction times after visual stimuli, and latency measurements of visual evoked\\u000a potentials require well-defined and often very fast display buildup on the monitor. Display buildup takes at least 14 msec\\u000a when a VGA board is used in standard video modes. This time can be reduced to 4 msec or less by reprogramming some registers\\u000a of the

Ingo Spitczok von Brisinski

1994-01-01

259

Informática na Fisioterapia: Sistema Multimídia de Apoio ao Aprendizado dos Testes de Força Muscular  

Microsoft Academic Search

This work describes a tutorial system development for the support to muscular strength tests learning. These tests are essential for a physical therapy diagnosis. This subject is crucial for the physical therapist. Its importance and complexity motivated the development of TFM, a multimedia learning support system. It integrates hypertext, movies, animated pictures and sound as recommended by construtivism paradigm. We

Luciana V. Castilho; Heitor S. Lopes; Wagner R. Weinert

260

The Evidence Collection of DoS Attack in WLAN by Using WLAN Forensic Profiling System  

Microsoft Academic Search

Nowadays the more wireless mobile communication technology has been improved, the more wireless users has been increased. On the other hand, cyber crime in WLAN has been gradually increasing. To solve the cyber crime in wireless environment, WLAN forensic is not only counterproposal but also resolution of the cyber crime in WLAN. In this paper, we propose the evidence collection

Donghyuk Yim; Jae-Yoon Lim; Seunghwan Yun; Sun-Hee Lim; Okyeon Yi; Jongin Lim

2008-01-01

261

Segurança Alimentar e Agricultura Familiar: Análise dos Programas Municipais de Araraquara-SP  

Microsoft Academic Search

O presente trabalho analisa as políticas públicas de segurança alimentar como instrumentos de desenvolvimento nos espaços locais e regionais voltados ao objetivo de elevar as condições de renda e de emprego na agricultura familiar. Mostra que mecanismos institucionais desenvolvidos a partir de políticas públicas participativas podem promover o desenvolvimento rural local e regional com possibilidades de inclusão social. Tal constatação

Luiz Manoel de Moraes Camargo Almeida; Thauana Paiva Gomes; Sonia Maria Bergamasco; Luiz Fernando Paulillo

2008-01-01

262

PERDIDA DE NUTRIENTES POR EROSION HIDRICA EN DOS SUELOS DEL CALDENAL PAMPEANO  

Microsoft Academic Search

2 ). Losses of N and P were significantly higher in March than in September. In the bare soil, nutrient losses were higher in the Haplustoll than in the Ustipsamment, while with vegetation cover, erosion was of lesser importance, and similar for both soil types. Organic carbon was the soil constituent that suffered the highest losses due to water erosion.

EO ADEMA; FJ BABINEC; N PEINEMANN

263

ABSORCION DE NITROGENO POR CEBADA CERVECERA EN DOS SUELOS DEL SUR BONAERENSE, ARGENTINA  

Microsoft Academic Search

-1 (60N) were studied in a pot experiment in a glasshouse using urea labelled with 15 N applied at sowing to two soils: Bordenave (B, Typic Haplustoll), and Tres Arroyos (TA, Petrocalcic Argiudoll). Pots were destructively sampled at the fifth leaf, ear emergence, milky kernel and physiological maturity stages. Distribution of 15 N and 14 N in shoots and roots,

MA LAZZARI; MA CANTAMUTTO; RA ROSELL; FE MÖCKEL; ME ECHAGÜE

264

INFLUÊNCIA DO RESFRIAMENTO E DO AQUECIMENTO LOCAL NA FLEXIBILIDADE DOS MÚSCULOS ISQUIOTIBIAIS  

Microsoft Academic Search

Influence of local cooling and warming on the flexibility of the hamstring muscles Objective: The aim of this study was to analyze the acute and chronic effects of cooling and warming on hamstring muscle flexibility. Method: Forty volunteers were randomly included in one of four groups (n=10): 1) control group; 2) stretching group, using a sustain-and-relax technique on the hamstring

BRASILEIRO JS; FARIA AF E QUEIROZ; Jamilson Simões Brasileiro

265

Abelhas (Hymenoptera, Apoidea) Nidificando em Ninhos-Armadilha na Estação Ecológica dos Caetetus, Gália, SP  

Microsoft Academic Search

Trap-nesting bees (Hymenoptera, Apoidea) in the Caetetus Ecological Station, Gália, SP. This paper reports data obtained concerning the occupation of trap-nests by solitary bees in a study carried out in the Caetetus Ecological Station (22º20' e 22º30' S and 49º40' e 49º45' W), one of the larg- est and most important remnants of semideciduous forest in São Paulo state ,

Carlos Alberto Garófalo

266

Some Dos and Don'ts in Child and Adult Grammars  

Microsoft Academic Search

0. Abstract This talk focuses on the syntax of dummy 'do'. An analysis of standard English is proposed that will be used to also account for historical and dialectal variation, the related phenomenon of periphrastic 'tun' in colloquial German and neighboring Germanic dialects, and facts about English acquisition. The acquisition facts include children's early non-adult use of \\

Carson T. Schütze

267

Levantamento de conteúdos para fundamentação do ensino dos efeitos psico- comportamentais da massagem para bebês  

Microsoft Academic Search

Among the many effects produced by the massage, a noteworthy one is that it can function as a behavior modifier, such as working as an integration factor between parents and children. Aiming at selecting psychological and behavioral contents that are the foundation for the teaching of massage for babies in a population of lay mothers, a literature review comprehending at

Cláudia Marchetti; Vieira da Cruz; Fátima Aparecida Caromano

268

O marketing dos alimentos funcionais: reflexões sobre o mercado e os consumidores  

Microsoft Academic Search

With the sedentary lifestyle of the urban centres, the stress and the incorrect food habits, consumers start giving a special at- tention and value to health and well-being. Along with this tendency, appeared in the market new generations of products wish represent the concept of a healthy-life. Func- tional foods are among this group and show a considerable growth in

Hélder da Silva Oliveira; Paulo Ribeiro Cardoso

269

Respostas agudas pós-exercício dos níveis de lactato sanguíneo e creatinofosfoquinase de atletas adolescentes  

Microsoft Academic Search

RESUMO O crescente interesse de crianças e adolescentes por esportes competitivos induz a uma maior preocupação em prescrever trei- namentos adequados a essa população específica. O conhecimen- to do impacto da intensidade de treinamento físico competitivo sobre a saúde de adolescentes são ainda incipientes na literatura científica. Este estudo objetivou investigar as respostas agudas do lactato sanguíneo (Lac) e da

Carla Cristiane Silva; Tamara Beres Lederer Goldberg; Renata Campos Capela; Cilmery Suemi Kurokawa; Altamir dos Santos Teixeira; José Carlos Dalmas; Edílson Serpeloni Cyrino

2007-01-01

270

Dos Puertorriquenos Visitan Puerto Rico (Two Puerto Ricans Visit Puerto Rico).  

ERIC Educational Resources Information Center

|These materials for Spanish instruction are based on the meeting and friendship of two Puerto Ricans arriving in Puerto Rico for visits to their hometowns, their discussions of Puerto Rican life, and a sightseeing tour of San Juan. Introductory passages to the visitors' dialogues are in English, and dialogues are in Spanish, with photographs,…

Tuttle, Harry Grover

271

Ensuring the Relocatability of Programs in the Operational System DOS Yes.  

National Technical Information Service (NTIS)

Specific modifications in the Disk Operational System Unified Series to insure the relocatability of programs stored permanently in the core image library is described. A self-relocating method for loading programs into the working memory with re-editing ...

S. K. Novoseltsev I. G. Orlov A. S. Chesalin

1979-01-01

272

Comunicação e participação pais-filhos: correlação com habilidades sociais e problemas de comportamento dos filhos  

Microsoft Academic Search

The objectives of this study were to compare indicators of the involvement between parents with their children and to compare parental involvement with the children's repertoire of social skills as well as to behavior problems. 110 children from the 4th grade of Elementary School participated, using the Quality of Family Interaction from the children's viewpoint questionnaire (QIFVF), to assess the

Fabiana Cia; Renata Christian de Oliveira Pamplin; Zilda Aparecida Pereira Del Prette

2006-01-01

273

A DoS Resilient Flow-level Intrusion Detection Approach for High-speed Networks  

Microsoft Academic Search

Global-scale attacks like viruses and worms are increas- ing in frequency, severity and sophistication, making it critical to detect outbursts at routers\\/gateways instead of end hosts. In this paper we leverage data streaming tech- niques such as the reversible sketch to obtain HiFIND, a High-speed Flow-level Intrusion Detection system. In contrast to existing intrusion detection systems, HiFIND 1) is scalable

Yan Gao; Zhichun Li; Yan Chen

2006-01-01

274

CARACTERIZAÇÃO DOS CROMOSSOMOS MITÓTICOS E ÍNDICE MEIÓTICO DE Theobroma speciosum (L.) WILLD  

Microsoft Academic Search

In this study, the karyotype and the meiotic index (MI) of cacaui ( Theobroma speciosum (L.) Willd.) were evaluated. For cytological analyses, T. speciosum seeds were allowed to germinate in a controlled environment. After germination, root meristems were collected and subjected to blocking procedures in order to accumulate cells in metaphase. Then, they were fixed in fresh solution of methanol:

MICHAELLI YURI YOSHITOME; MARCELO FERNANDO; PEREIRA SOUZA; VERA KARSBURG

2008-01-01

275

EFEITO DOS TRIBUTOS NO CUSTO DE PRODUÇÃO, NA ROTAÇÃO E NA REFORMA DE Eucalyptus spp  

Microsoft Academic Search

This work was designed to determine the influence of tributes on the optimum economical age of harvesting Eucalyptus spp. stands, to determine the number of cuttings between the reform of Eucalyptus spp. stands, to determine and analyze the contribution of tributes to the wood production costs. Many tributes are due on the forest sector. In this study, the tributes considered

José Luiz Pereira de Rezende; Antônio Donizette de Oliveira

2005-01-01

276

"Mi Hija Vale Dos Personas": Latino Immigrant Parents' Perspectives about Their Children's Bilingualism  

ERIC Educational Resources Information Center

This paper presents the voices of 16 Latino immigrant parents whose children were upper elementary students in a bilingual education class in the southwestern United States. In interviews that focused on their children's language learning and usage, the parents spoke of a commitment to a better life for their children. All believed that English…

Worthy, Jo; Rodriguez-Galindo, Alejandra

2006-01-01

277

Home before You Know It = De regres en casa en un dos por tres.  

ERIC Educational Resources Information Center

|The arrival of a newborn requires a great deal of adjustment. Intended for new and expectant parents, this booklet and companion video provide practical advice and hands-on demonstrations of the essentials of mother and baby care, from birth to the first visit to the pediatrician. The first part of the booklet, which comes in both English- and…

Vida Health Communications, Inc., Cambridge, MA.

278

Detection of and phylogenetic studies with avian metapneumovirus recovered from feral pigeons and wild birds in Brazil.  

PubMed

The aim of the present study was to determine whether avian metapneumovirus (aMPV)-related viruses were present in wild and synanthropic birds in Brazil. Therefore, we analysed samples from wild birds, feral pigeons and domestic chickens in order to perform a phylogenetic comparison. To detect the presence of aMPV, a nested reverse transcriptase-polymerase chain reaction was performed with the aim of amplifying a fragment of 270 bases for subtype A and 330 bases for subtype B, comprising the gene coding the G glycoprotein. Positive samples for aMPV subtypes A and B were found in seven (13.2%) different asymptomatic wild birds and pigeons (50%) that had been received at the Bosque dos Jequitibás Zoo Triage Center, Brazil. Also analysed were positive samples from 15 (12.9%) domestic chickens with swollen head syndrome from several regions of Brazil. The positive samples from wild birds, pigeons and domestic chickens clustered in two major phylogenetic groups: some with aMPV subtype A and others with subtype B. The similarity of the G fragment nucleotide sequence of aMPV isolated from chickens and synanthropic and wild avian species ranged from 100 to 97.5% (from 100 to 92.5% for the amino acids). Some positive aMPV samples, which were obtained from wild birds classified in the Orders Psittaciformes, Anseriformes and Craciformes, clustered with subtype A, and others from the Anas and Dendrocygma genera (Anseriformes Order) with subtype B. The understanding of the epizootiology of aMPV is very important, especially if this involves the participation of non-domestic bird species, which would add complexity to their control on farms and to implementation of vaccination programmes for aMPV. PMID:21777083

Felippe, Paulo Anselmo; Silva, Luciana Helena Antoniassi da; Santos, Márcia Bianchi Dos; Sakata, Sonia Tatsumi; Arns, Clarice Weis

2011-07-21

279

Convenio-SEMA/ARH Relatorio Technico Sobre Levantamento dos Defensivos Agricolas Aplicados nas Bacias Hidrograficas dos Mananciais que Servem de Abastecimento Publico (Conference Technical Report on Survey of Farmland Protection in Hydrographic Basins of Sources Used for Public Supply).  

National Technical Information Service (NTIS)

This report is based on a 1975 study conducted by the Water Resources Administration, with the support of the Special Secretariat for Environmental Protection. It describes the types and quantities of farmland protection projects undertaken in the various...

R. P. Streitemberger A. Antunes de Almeida J. O. Picheth Neto

1980-01-01

280

Avaliação do padrão de sono dos profissionais de Enfermagem dos plantões noturnos em Unidades de Terapia Intensiva Evaluation of the sleep pattern in Nursing professionals working night shifts at the Intensive Care Units  

Microsoft Academic Search

objective: This study aimed to assess the quality of sleep and verify the presence of excessive daytime somnolence in Nursing professionals working night shifts at the Intensive Care Units of the Central Institute of Hospital das Clínicas da Faculdade de Medicina da Universidade de São

Juliana Inhauser; Acioli Barboza; Edvaldo Leal de Moraes; Eloísa Aparecida Pereira; Rubens Nelson; Amaral de Assis

281

Evaluation of the sleep pattern in Nursing professionals working night shifts at the Intensive Care Units Avaliação do padrão de sono dos profissionais de Enfermagem dos plantões noturnos em Unidades de Terapia Intensiva  

Microsoft Academic Search

Objective: This study aimed to assess the quality of sleep and verify the presence of excessive daytime somnolence in Nursing professionals working night shifts at the Intensive Care Units of the Central Institute of Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo. Methods: Seventy-five Nursing professionals were evaluated: 33% were registered nurses and 66% were licensed

Juliana Inhauser; Acioli Barboza; Edvaldo Leal de Moraes; Eloísa Aparecida Pereira; Rubens Nelson; Amaral de Assis

282

Avaliação dos erros ou falhas de preenchimento dos atestados de óbito feitos pelos clínicos e pelos patologistas Comparison between death certificates filling errors or lack of filling fields done by pathologists and physicians  

Microsoft Academic Search

Introduction: The correct filling of Death Certificate (DC) is very important, however is usually neglected. Objectives: To compare DC filled by the pathologists and by the physicians, in relation to the number of mistakes and also the number of fields not filled. Methods: We compared all DC filled by physicians from the Hospital de Base (HB) and DC filled by

Cleber de Oliveira Stuque; José Antônio Cordeiro; Patricia Maluf Cury

283

GESTÃO DE MARKETING EM EMPREENDIMENTOS ESPORTIVOS: ESTUDO DE CASO DA 71ª EDIÇÃO DOS JOGOS ABERTOS DO INTERIOR  

Microsoft Academic Search

Palavras chaves: Marketing esportivo; Empreendimentos esportivos; Planejamento. Abstract. This study, of exploratory character, it has for intention to evaluate the main stages of the sports marketing adopted by the Organization Committee in the promotion of 71ª edition of the Open Games of the São Paulo state carried through in October of the 2007 in the city of Praia Grande. This

JARDEL TETI BARROS; BRUNO ARAÚJO; GUEDES TEGANI

2007-01-01

284

MARKETING APLICADO NA GESTÃO DE PRODUTOS ESPORTIVOS: ESTUDO DE CASO DA 71A EDIÇÃO DOS JOGOS ABERTOS DO INTERIOR  

Microsoft Academic Search

This study, of exploratory character, it has for intention to evaluate the main stages of the sports marketing adopted by the Organization Committee in the promotion of 71ª. edition of the Open Games of the São Paulo state carried through iin October of the 2007 in the city of Praia Grande. This study used research of qualitative boarding, understanding, bibliographical

Bruno Araújo; Guedes Tegani

285

Impressos hospitalares e a dinâmica de construção de seus sentidos: o ponto de vista dos profissionais de saúde  

Microsoft Academic Search

Based on interviews in a hospital in Rio de Janeiro, the authors analyze strategies, in- terests, assumptions, and concerns among producers of patient information leaflets on infec- tious diseases. Most such publications followed a linear communications model, according to which health messages produce a sole and single effect on their audience. Visual communica- tions are seen as a field of

Brani Rozemberg; Ana Paula Penna da Silva; Paulo Roberto Vasconcellos-Silva

2002-01-01

286

Cornell Produces a Video of Safety Dos and Don'ts for the YouTube Set  

ERIC Educational Resources Information Center

|Don't drink too much, download pirated files, light candles, or prop open doors. Warnings like those pervade the weighty work of admonition known as the student handbook. However, Allen J. Bova wonders, "Who ever reads that?" So Mr. Bova, director of risk management and insurance at Cornell University, tried to reach students with a video. This…

Lipka, Sara

2008-01-01

287

SISTEMÁTICA, MORFOLOGIA E FISIOLOGIA Chave para as Espécies de Cigarrinhas (Hemiptera: Cicadellidae: Cicadellinae) Vetoras da Clorose Variegada dos Citros (CVC)  

Microsoft Academic Search

A key to the identification of Dilobopterus costalimai Young, Acrogonia sp., Oncometopia facialis (Signoret), Bucephalogonia xanthophis (Berg) e Plesiommata corniculata Young based on external morphology and male genitalia is presented. These sharpshooter leafhoppers are considered vec- tors of Xylella fastidiosa to citrus. The first four species are collected in several habitats such as orchard, forest, cultivable plain, swamp, sugar cane,

ROSANGELA C. MARUCCI; RODNEY R. CAVICHIOLI; ROBERTO A. ZUCCHI

288

EDUCAÇÃO SEXUAL NO 1ºCEB: PERCEPÇÕES DOS PROFESSORES SOBRE AS SUAS DIFICULDADES EM ÁREAS E TÓPICOS ESPECÍFICOS  

Microsoft Academic Search

Resumo Pretendeu-se identificar as percepções de professores de 1ºCEB, sobre as suas dificuldades sobre a educação sexual e analisar alguns factores individuais com influência nestas concepções. Os dados recolhidos por um questionário construído para o efeito foram tratados estatisticamente no programa SPSS. Os resultados sugerem maiores dificuldades na área de expressões da sexualidade e menores na de relações interpessoais. Como

Zélia ANASTÁCIO; Graça S. CARVALHO; Pierre CLÉMENT

289

Buen Comienzo, Buen Futuro: El Bebe de Dos Meses (Healthy Start, Grow Smart: Your Two-Month-Old).  

ERIC Educational Resources Information Center

|Distributed by the U.S. Departments of Agriculture, Education, and Health and Human Services, this Spanish-language pamphlet provides parents with information and advice about their infants in the second month of life. The pamphlet outlines typical infant behavior at 2 months of age, the need for regular visits to a physician, health insurance,…

Department of Education, Washington, DC.

290

[The occurrence, distribution and toxicity of cyanobacteria in the estuary of Lagoa dos Patos, Rio Grande do Sul].  

PubMed

Several blooms of Microcystis aeruginosa have been observed in the Patos Lagoon estuary during the last fifteen years without a proper investigation of their ecological importance or possible toxicity. The present study has identified and quantified the presence of cyanobacteria in the Patos Lagoon estuary, particularly of M. aeruginosa. During this survey, identification and quantification of the main phytoplankton groups were done in relation to geographical distribution in the estuary. The presence of M. aeruginosa colonies in the estuarine region confirmed their superficial distribution throughout the estuarine waters during twelve months with a maximum of 1, 3.10(6) cells. L-1 in December, 1994 and a minimum of 1, 5.10(5) cells. L-1 in August, 1995 and also confirmed that M. aeruginosa originated from waters in the north of the estuary. The period of the highest cell and colonies densities was coincident with high chlorophyll-a levels in surface waters. Toxicity of M. aeruginosa bloom material was determined by bioassay and concentrations of hepatotoxins microcystins were identified by HPLC-DAD. M. aeruginosa blooms were considered highly toxic, presenting a 24 h-LD50 lower than 100 mg.Kg-1 b.w. and a toxin content higher than 1 microgram.mg-1 d.w. Several microcystin variants were found in the extracts with microcystin-LR predominating. PMID:10765462

Matthiensen, A; Yunes, J S; Codd, G A

1999-08-01

291

Evaluation of PTW Seven29 for tomotherapy patient-specific quality assurance and comparison with ScandiDos Delta4  

PubMed Central

For routine quality assurance of helical tomotherapy plans, an alternative method, as opposed to the TomoTherapy suggested cylindrical solid water phantom with film and ionization chamber, is proposed using the PTW Seven29 2D-ARRAY inserted in a dedicated octagonal phantom, called Octavius. First, the sensitivity of the array to pitch was studied by varying the pitch during planning to 0.287, 0.433, 1.0, and 2.0. For each pitch selected, the dependence on field size was investigated by generating plans with field widths (FWs) of 1.06 cm, 2.49 cm, and 5.02 cm, for a total of 12 plans. Secondly, a total of 15 patient QA plans were delivered using helical tomotherapy with the Delta4 and Seven29/Octavius for comparison. Using the clinical gamma criteria, 3% and 3 mm, all FW and pitch plans had a passing percentage of >90%. For patient QA plans, the average gamma pass percentage was 97.0% (94.4–99.8%) for the Delta4 and 97.6% (92.5-100.0%) for the Seven29/Octavius. Both the Seven29/Octavius and Delta4 performed to a high standard of measurement accuracy and had a 90% or greater gamma percent for all plans and were considered clinically acceptable.

Myers, Pamela; Stathakis, Sotirios; Gutierrez, Alonso N.; Esquivel, Carlos; Mavroidis, Panayiotis; Papanikolaou, Niko

2012-01-01

292

Comparación de dos sistemas de medida de las concentraciones de glucosa en líquido cefalorraquídeo en la anestesia intradural hiperbara  

Microsoft Academic Search

® (Beckman Coulter) con las reali- zadas con un glucómetro Ascensia EliteXL&Elite ® durante la anestesia espinal, después de administrar 10 mg de bupivacaína hiperbara para así disponer de un método rápido y fiable al medir las cifras de glucorra- quia durante una anestesia espinal continua y seguir su evolución. PACIENTES Y MÉTODOS: Estudio prospectivo de 34 pacientes bajo anestesia

J. Sánchez Morillo; J. Soliveres Ripoll; N. Estañ Capell; C. Solaz Roldán; P. Viñals Bellido; C. Quiñones Torrelo

2007-01-01

293

ESTUDO DOS PARÂMETROS DO MODELO DE VAZAMENTOS DE UM SETOR DA REDE DE DISTRIBUIÇÃO DE ÁGUA DE PIRACICABA-SP  

Microsoft Academic Search

Resumo - O presente estudo visa avaliar as perdas por vazamento para um setor da rede de distribuição de água da cidade de Piracicaba, SP, Brasil. Para tanto, utiliza-se um procedimento iterativo de avaliação hidráulica que considera as perdas por vazamento e a dependência das demandas com a pressão, acoplado ao simulador hidráulico EPANET 2 (Rossman, 2000), com vistas à

Alexandre Kepler Soares; Luisa Fernanda; Ribeiro Reis

294

Mamíferos carnívoros e sua relação com a diversidade de hábitats no Parque Nacional dos Aparados da Serra, sul do Brasil  

Microsoft Academic Search

Carnivore mammals and their relation with habitat diversity in Aparados da Serra National Park, southern Brazil. A survey of carnivore mammals was accomplished in Aparados da Serra National Park from February 1998 to March 2000. The park has 10,250 ha and is considered a biodiversity core area of the Atlantic Forest Biosphere Reserve in the Rio Grande do Sul State,

Maria de Fátima M. dos Santos; Mateus Pellanda; Ana Cristina Tomazzoni; Heinrich Hasenack; Sandra Maria Hartz

2004-01-01

295

EMPLEO DE DOS ANÁLOGOS DE BRASINOESTEROIDES EN LA FORMACIÓN DE CALLOS EMBRIOGÉNICOS EN PAPA (Solanum tuberosum L)  

Microsoft Academic Search

The biological activity of brassinosteroid analogs MH5 and Biobras-6 (BB-6) was evaluated with the objective to determine its effects and establish appropriate doses as possible substitutes or hormonal complements in the process of embryogenic callus formation in potato (Solanum tuberosum, L. var. Desirée). Doses of 0.0001 until 0.25 mg.L -1 of both analogs and two control media were used, which

Olivia Moré; María M. Hernández; Miriam Núñez; Ana Estévez; María E. González

296

ROEDORES EN LA DIETA DE DOS AVES RAPACES NOCTURNAS (BUBO VIRGINIANUS Y TYTO ALBA) EN EL NORESTE DE DURANGO, MÉXICO  

Microsoft Academic Search

We studied the diet of two species of owls, and assessed the rodents communities and their relative densities from March 1996 through February 1997 in the Mapimí Biosphere Reserve, Durango, México: Great Horned Owl (Bubo virginianus) and Barn Owl (Tyto alba). The objectives were to understand the predator-prey relationships by comparing the availability and use of rodents by these owls.

Elizabeth E. ARAGÓN; Benjamín CASTILLO; Alfredo GARZA

297

Avaliação dos sistemas de classificação e codificação das bacias hidrográficas brasileiras para fins de planejamento de redes hidrométricas  

Microsoft Academic Search

The available classification and codification systems of river basin used by ANEEL, ANA, IBGE, SRH e CNRH were evaluated and the Otto Pfafstetter' system was selected as the more appropriate in the planning of hydrometric networks. Palavras-chave: river basin, classification and codification systems, hydrometric networks, Otto-basin, bacias hidrográficas, sistemas de classificação e codificação, redes hidrométricas, ottobacias.

Wougran Soares Galvão

298

(BARS) -- Bibliographic Retrieval System, Sandia Shock Compression (SSC) database Shock Physics Index (SPHINX). PC/DOS version 4.0  

SciTech Connect

The Bibliographic Retrieval System (BARS) is a database management system specially designed to retrieve bibliographic references. Two databases are available, (i) the Sandia Shock Compression (SSC) database which contains over 5600 references to the literature related to stress waves in solids and their applications, and (ii) the Shock Physics Index (SPHINX) which includes over 6200 further references to stress waves in solids, material properties at intermediate and low rates, ballistic and hypervelocity impact, and explosive or shock fabrication methods. There is some overlap in the information in the two data bases.

Herrmann, W.; Parker, T.J. [Sandia National Labs., Albuquerque, NM (United States); Mulholland, K. [Career Services, Albuquerque, NM (United States)

1993-09-01

299

Spatial distribution of metals in sediments of the Ribeira Bay, Angra dos Reis, Rio de Janeiro, Brazil.  

PubMed

This study aims to analyze the spatial distributions of several metals in sediments from five sites in Ribeira Bay, Brazil. Ribeira Bay is a very important area to the local community, due to its artisan fishery, and it also has a biological relevance for many marine species that use mangroves as nursery and feeding sites. According to the results, the area was not considered a metal polluted area. Despite not having a significant source of metals inside the Bay nowadays, Ilha Grande Bay harbors a shipyard, an oil terminal, and a commercial port, as well as two thermonuclear power plants (Angra I e II), all of which indirectly influence the study area. PMID:20188384

Freret-Meurer, N V; Andreata, J V; Meurer, B C; Manzano, F V; Baptista, M G S; Teixeira, D E; Longo, M M

2010-02-25

300

Significação dos processos de comunicação e interação: conceitos dialógicos de idosos residentes em uma instituição de longa permanência  

Microsoft Academic Search

This research has as general aim present dialogs between conceptions of communication and interaction processes in aging. Among the specific objectives, we identified the symbolic representations about technology and communicative processes, analyzed the feelings and meanings of experiences livied using these devices and correlated quantitative and qualitative datas. In this study participated old adults wider or equal than 60 years

Jaqueline Colombo Ely; Adriano Daniel Pasqualotti; Eugênio Giaretta; Felipe Keller; Lia Mara Wibelinger

301

Chironomidae (Diptera) do Rio Ribeira (divisa dos Estados de São Paulo e Paraná) numa avaliação ambiental faunística  

Microsoft Academic Search

Chironomidae (Diptera) in Rio Ribeira (border between the States of São Paulo and Paraná) in an Environmental faunistic evaluation- During a program of limnological characterization, the macrobenthic community was evaluated in a section of river Ribeira, in the area included of the future reservoir UHE Tijuco Alto. In the four expeditions, during XII\\/95 to IX\\/96, samples were collected in five

Susana Trivinho-Strixino; Giovanni Strixino

2005-01-01

302

IDENTIFICACION DE HAPLOTIPOS EN LA REGIÓN MITOCONDRIAL D-LOOP, DE DOS POBLACIONES DE GANADO DE LIDIA  

Microsoft Academic Search

Mitochondrial DNA sequence polymorphisms identification has important applications in the study of molecular genetic diversity level in domestic animal species. For these studies, the mtDNA control region of maternally inherited, known as D>loop is of particular interest. This study aims to identify mitochondrial D>loop haplotypes throughPCR>RFLPsintwopopulationsoffighting>ca ttle.Sampleswerecollectedfromanimalhairfolliclesfromtwo Mexican fighting>bull herds (Los Encinos (ENC, n= 22) and Montecristo (MC, n= 37)).

Williams Arellano; Ana Maria Sifuentes Rincón; Gaspar Manuel Parra Bracamonte

303

Avaliação da acurácia dos dados pós-processados de receptores GPS de navegação na determinação de coordenadas planimétricas  

Microsoft Academic Search

The free softwares ASYNC and GAR2RNX are able to read and record real-time observable from the L1 carrier, in binary file, through cable of the transfer connected on GPS receiver of navigation and a laptop through serial port, and also to convert RINEX for the format. In this work, we performed the post-processing this data using the technique of positioning

Julierme Wagner da Penha

304

Infertilidade associada a defeito microtubular dos espermatozóides de jumento (Equus asinus) avaliados por microscopia eletrônica de transmissão  

Microsoft Academic Search

A donkey infertility was described by transmission electron microscopy (MET). The spermiogram evaluated by light microscopy showed low sperm motility and high concentration of abnormal sperm with proximal cytoplasmic droplets. The material was evaluated by MET, where it was observed disarrangement of microtubules, causing irregular protrusions in the spermatic neck. The last test done was the in vivo fertility, using

André Maciel Crespilho; Fernanda da Cruz Landim-Alvarenga; Frederico Ozanam Papa

2006-01-01

305

A DOS-based Version of the VICAR Image Processing System for Planetary Image Reduction, Navigation, and Measuring  

Microsoft Academic Search

The Video Image Communication and Retrieval (VICAR) Image Processing System, developed by the JPL Multimission Image Processing Laboratory, has been a standard tool for analyzing space-probe images since the 1960s. VMS versions through 8.0 are available. Yet now, the advent of powerful, inexpensive microcomputers has made possible \\

T. Hockey; C. Barnet

1994-01-01

306

GLOBAL CHANGE RESEARCH NEWS #9: ORD PROVIDES TECHNICAL SUPPORT TO EPA/OIA & DOS INITIATIVE IN EGYPT  

EPA Science Inventory

This ninth edition reports on a workshop on global climate change that was held in Cairo, Egypt, on May 10-12, 1999. The workshop represented a successful partnership between EPA's Office of International Affairs, Office of Research and Development (ORD), Office of Air and Radiat...

307

A RELAÇÃO ENTRE O IDIOMA E A IDENTIDADE. O USO DO IDIOMA MATERNO COMO DIREITO HUMANO DOS MIGRANTES  

Microsoft Academic Search

Os imigrantes estabelecidos num país cuja língua não é a mesma de sua terra de origem enfrentam singulares problemas quando crianças, enquanto gerações posteriores a assimilam e precisam fazer frente às questões de identidade pessoal e cultural. A situação coloca desafios ainda mais complexos, quando a cultura dominante no país anfitrião subestima a língua materna do imigrante. Este artigo analisa

Lourdes C. Rovira

308

Avaliação do desempenho dos reagentes do tempo de tromboplastina parcial ativada utilizados para detectar o anticoagulante lúpico  

Microsoft Academic Search

Assessment of the performance of reagents of activated partial thromboplastin time used to detect the lupus anticoagulant abstract Introduction: The lupus anticoagulant is an immunoglobin which belongs to the antiphospholid antibodies family. Its in vitro function is to interfere with coagulation tests that are dependent on phospholipids. The activated partial thromboplastin time (APTT) is a test used as screening on

Iracema Carvalho Ferrari; Izolete Aparecida Thomazini Santos

2005-01-01

309

Composição e atividades antioxidante e antimicrobiana dos óleos essenciais de cravo-da-índia, citronela e palmarosa  

Microsoft Academic Search

Composition and antioxidant and antimicrobial activities of clove, citronella and palmarosa essential oils. Antioxidant and antimicrobial activities, as well as the chemical composition of essential oils of clove (Caryophillus aromaticus L.), citronella (Cymbopogon winterianus) and palmarosa (Cymbopogon martinii) were studied. Antioxidant activity was evaluated by DPPH (2,2-diphenyl-1-picrylhydrazyl) method and the antimicrobial activity determined by the microdilution method. The minimal inhibitory

R. SCHERER

310

Efectos de dos métodos de termoterapia sobre la respuesta vascular aguda y parámetros hemodinámicos en un grupo de sujetos sanos  

Microsoft Academic Search

ObjectiveRecently, non-pharmacological resources to relieve pain like hot packs and ultrasound (US) have become common in clinical practice. However, little experimental evidence is available about the possible mechanisms through which these methods bring about pain relief. We aimed to determine the effects of hot packs and US on the acute vascular response and on hemodynamic parameters in healthy subjects.

R. Ramírez-Vélez; A. García Sánchez; C. J. Martínez Betancourt; C. A. Parra Galeano; J. G. Ortega; C. A. López Alban; R. A. Agredo Zúñiga

311

Desafíos laborales en América Latina después de dos décadas de reformas estructurales. Bolivia, Paraguay y Perú 1997-2008  

Microsoft Academic Search

El volumen reune diversos trabajos sobre los mercados laborales en los tres países durante la década comprendida entre 1997 y 2008. En los tres casos se hacen análisis globales de la situación laboral de cada país así como análisis particualres de las áreas rurales y las áreas urbanas. Lo que se encuentra es que los mercados laborales no se habrían

Julio Ramírez; Marcelo Perera; Cynthia González

312

Validade da velocidade crítica para a determinação dos efeitos do treinamento no limiar anaeróbio em corredores de endurance  

Microsoft Academic Search

Validity of the critical velocity for determination of the training effects on the anaerobic threshold in endurance runners. The objective of this study was to analyze the validity of the critical velocity (CV) to evaluate the anaerobic threshold (AnT), before and after two different training programs in endurance athletes. Seventeen male runners (33.4 ± 4.4 years; 62.7 ± 4.3 kg;

BS Denadai; MJ Ortiz; S Stella; MT Mello

313

Por que as firmas industriais dos países em desenvolvimento crescem após a estréia no mercado internacional? Evidências  

Microsoft Academic Search

Firstly, we show that innovative new-exporters in 2 001-2002 become larger and more productive than innovative non-exporters. However, our major contribution relies on the characterization o f the technological patterns behind the learning-by-exporting hypothesi s. Whilst innovative activities in general (but especially intramural R& D) were important to all firms, other sources of information were found to be very important

Bruno César Araújo; Sérgio Kannebley Jr; Beatriz Selan

314

Efeito dos estais no diagrama de radiacao de antenas Cassegrain. (Effect of struts on the radiation diagram of Cassegrain antennas).  

National Technical Information Service (NTIS)

This work presents a study on the effect of subreflector support members of Cassegrain antennas using the theory of scattering by cylindrical structures. Expression for the surface current densities and arbitrary cross sections cylinders are developed, an...

L. M. D. Henriques

1981-01-01

315

Protective Action Evaluator for Chemical Emergencies: A user's manual (MS-DOS reg sign Version 1. 0)  

SciTech Connect

The protective action evaluator for chemical emergencies (PAECE) is a package of computer programs developed to simulate an emergency response to airborne release of chemical agents. This user's manual documents the use of PAECE in the evaluation of chemical agent emergencies in areas potentially affected by the Chemical Stockpile Emergency Planning Program (CSEPP). This research documents the development and use of a method for the evaluation of protective action alternatives in conjunction with potential chemical agent emergencies. The user's manual highlights the development of the PAECE model, the selection of appropriate parameters to represent various scenarios, generate results and interpret them in the analysis of protective action alternatives during the planning and preparedness phases of the CSEPP. The PAECE model is designed to evaluate protective actions in the context of potential accidents, the emergency management systems required to implement protective actions, and the anticipated consequences for human receptors. The implications and uncertainties of the model are discussed to provide potential users with insight into the use, limitations, and uncertainties associated with evaluating the effectiveness of protective action alternatives. While PAECE represents a unique and powerful tool to evaluate protective actions, the user must exercise caution when interpreting the results to avoid misrepresentation. The expected value interpretation of the PAECE results biases the results toward extreme values. Hence, the PAECE results have to be interpreted in the context exposures similar to those represented by the unprotected exposure and the protection capacity that tend to be associated with people completing the implementation of the required actions later than and earlier than average, respectively. 16 refs., 24 figs., 1 tab. (JF)

Rogers, G.O.; Sharp, R.D.

1990-10-01

316

Spatial distribution of metals in sediments of the Ribeira Bay, Angra dos Reis, Rio de Janeiro, Brazil  

Microsoft Academic Search

This study aims to analyze the spatial distributions of several metals in sediments from five sites in Ribeira Bay, Brazil. Ribeira Bay is a very important area to the local community, due to its artisan fishery, and it also has a biological relevance for many marine species that use mangroves as nursery and feeding sites. According to the results, the

N. V. Freret-Meurer; J. V. Andreata; B. C. Meurer; F. V. Manzano; M. G. S. Baptista; D. E. Teixeira; M. M. Longo

2010-01-01

317

EFETIVIDADE NO ENSINO SUPERIOR BRASILEIRO: APLICAÇÃO DE MODELOS MULTINÍVEL À ANÁLISE DOS RESULTADOS DO EXAME NACIONAL DE CURSOS  

Microsoft Academic Search

This study analyses the impact of institutional characteristics on the students' performance in the National Examination of Higher Education Courses (Provão). A sample of more than 92500 students from Management, Law and Civil Engineering who had made the tests in the year 2000 was analyzed. Multilevel models have been fitted because these data present an evident hierarchical structure. Regarding individual

Maria Dolores Montoya Diaz

2005-01-01

318

RESPUESTA DEL MAÍZ AL NITRÓGENO Y LA ROTACIÓN CON CANAVALIA, BAJO DOS TIPOS DE LABRANZA. RÍO HATO, PANAMÁ  

Microsoft Academic Search

The response ofmaize towards application ofnitrogen, in rotation with Canavalia, under two cultivation types, at Río Hato, Panamá, 1993-94. An experiment was carried out for two consecutive years in order to evaluate the response of maize with the legume Canavalia ensiformis, and compared to a crop without legumes. The rotative plots were established at the beginning of the rainy season

Román Gordón; Jorge Franco; Nivaldo De Gracia; Andrés González

1997-01-01

319

Interaccoes dos Metais Pesados com Organismos Biologicos e Proteinas (Interactions of Heavy Metals with Biological Organisms and Proteins).  

National Technical Information Service (NTIS)

The work developed consisted of determining parameters for the complexation of Cu(II), Pb(II) and Zn(II) with ligands of great structural complexity, including cell walls of microorganisms such as algae Selenastrum capricornutum Printz and bacteria Methan...

A. C. L. Conceicao

1991-01-01

320

Avaliação dos fatores de risco para mucosite oral em um grupo de pa- cientes sob terapia de transplante  

Microsoft Academic Search

The bone marrow transplantation is a procedure where agressive medications are used. One of complications that determine the morbidity to the patients is the oral mucositis. Objective: to identify the risk factors associated with the appearance of early oral mucositis in patients undergoing bone marrow transplant (BMT) in Santa Casa Hospital in São Paulo. Material and method: we retrospectively re-

Ivo Bussoloti

2007-01-01

321

Analise dos parametros de filme radiografico para uso em TC. (Parameter analysis of radiography film for TC use).  

National Technical Information Service (NTIS)

The possibilities of use x-ray industrial films on the projection survey for image processing, jointly with the noise analysis in films, when used as a radiation detectors in computerized tomography are studied. (C.G.C.). (Atomindex citation 22:060343)

L. S. Souza R. T. Lopes

1990-01-01

322

Drenaje percutáneo de ascitis secundaria a pancreatitis aguda grave asociada a síndrome compartimental abdominal. Informe de dos casos  

Microsoft Academic Search

Summary Background: There are few reports that report the association between severe acute pancreatitis (SAP) and the presence of abdominal compartment syndrome (ACS). The aggressive treatment of ACS through a formal celiotomy, ascitic fluid evacuation and temporary abdominal closure (TAC) is associated with immediate improvement in all physiological parameters of a critically ill patient. Unfortunately, this surgical strategy carries a

Luis Alberto; Patricio Sánchez-Fernández; Carlos Salazar-Lozano; Humberto Salazar-Murillo

2008-01-01

323

First approach to studies of sulphur electron DOS in prostate cancer cell lines and tissues studied by XANES  

NASA Astrophysics Data System (ADS)

Urological cancers comprise approximately one-third of all cancers diagnosed in men worldwide and out of these, prostate cancer is the most common one (WHO World Cancer Report, 2008). Several risk factors such as age, hormone levels, environmental conditions and family history are suspected to play a role in the onset of this disease of otherwise obscure aetiology. It is therefore the medical need that drives multidisciplinary research in this field, carried out by means of various experimental and theoretical techniques.Out of many relevant factors, it is believed that sulphur can take an important part in cancer transformations. We have investigated the prostate cancer cell lines and tissues, along with selected organic and inorganic compounds used as references, by the X-ray absorption fine structure spectroscopy near the sulphur edge energy region. Particularly, the comparison of the experimental results collected during XANES measurements and theoretical calculations of electron density of states with use of the FEFF8 code and LAPW (linearised augmented plane-wave) method has been performed and in this work the first results of our studies are presented.

Kwiatek, Wojciech M.; Czapla, Joanna; Podgórczyk, Magdalena; Kisiel, Andrzej; Konior, Jerzy; Balerna, Antonella

2011-10-01

324

Efeito da idade cronológica na distribuição dos futebolistas por escalões de formação e pelas diferentes posições especificas  

Microsoft Academic Search

Relative age effects among youth soccer players according to playing positions This study analysed the distribution of the birthdates from soccer players according to each player's age-group and specific position on the field. The players from the Lisbon Soccer Association (n=188) were divided into their age-groups during the 2004\\/2005 season: Under 8s (n=26), Under 11s (n=39), Under 13s (n=43), Under

H. A. Folgado; P. F. Caixinha; J. Sampaio; V. Maçãs

325

Geomorphologic Evolution of a Sand Spit Located in the Mouth of a Choked Coastal Lagoon. Lagoa dos Patos: Southern Brazil  

Microsoft Academic Search

The estuarine portion of the Patos Lagoon behaves as a choked lagoon where circulation patterns are driven mostly by wind and freshwater runoff which can reach up to 10,000 m3\\/s during the rainfall season. Wind direction influences both local and large-scale circulation patterns. Under NE winds pressure gradient raises along the inlet and retreating coastal waters favors flushing of the

J. A. Antiqueira; L. J. Calliari; J. A. S. Fontoura

326

Nuclear Geophysics in Space and Atmospheric Research at INPE/BRAZIl (Instituto de Pesquisas Espasciais, San Jose dos Compos, Brazil).  

National Technical Information Service (NTIS)

During the last years, INPE's research in Nuclear Geophysics has developed in fields of interest to the Institute, the scientific community and the society in general. In the space research field it may be considered as a contribution to the history of me...

D. J. R. Nordemann E. B. Pereira E. V. A. Marinho F. Sircilli Neto

1986-01-01

327

Gordon and Mike's ICT Podcast: The Jester and DoS, Preventing Attacks, Seizure of Domain Names and Other Topics  

NSDL National Science Digital Library

Gordon and Mike's ICT Podcast offers perspectives on the information and communication technologies (ICT) industries from Gordon Snyder and Mike Qaissaunee. In this podcast, the hosts discuss a variety of topics including a recent website attack and how to prevent such attacks, the seizure of domain names by the Department of Homeland Security, Google and bugs in Flash and more. Running time for the show is 32:30.This podcast is available for direct download in mp3 format from the Libsyn site, or click here to subscribe to the whole series in iTunes.

Snyder, Gordon F.; Qaissaunee, Michael

2012-11-01

328

A influência da ocupação profissional na flexibilidade global e nas amplitudes angulares dos membros inferiores e da lombar  

Microsoft Academic Search

Resumo - O desenvolvimento tecnológico no ambiente de trabalho gerou um au- mento no tempo em que os indivíduos permanecem sentados enquanto trabalham em escritórios. Isto pode estar influenciando negativamente capacidades físicas inatas como a flexibilidade da cadeia posterior do corpo, porém poucos são os estudos que avaliaram a influência do trabalho nesta capacidade física. Esta avaliação pode contribuir para

Sandra Aliberti; Bergson Weber; Cabral Queiroz; Denise Pripas; Isadora Kieling; Adriana Elisa Sellmer; Amaro Malvestio; Marcel Tomonori Sera

329

Pustulosis aguda exantemática generalizada: aportación de dos casos Acute Generalized Exanthematic Pustulosis: A Report of Two Cases  

Microsoft Academic Search

Summary Amicrobian pustulosis is referred to a group of entities with several sterile pustules, with a sudden onset and a rapid and selflimited resolution, simmetrically distributed in face and groins, usually related to drug intake or viral infection. We report two cases of acute generalized exanthematous pustulosis in two patients without personal or family history of psoriasis. The lesions appeared

Susana Mallo; Emilia Fernández; Esther Cardeñoso; Jorge Miguel Ingelmo; Agustín Martín Pascual; Susana Mallo García

330

Development of pediatric sleep questionnaires as diagnostic or epidemiological tools: a brief review of dos and don'ts.  

PubMed

Questionnaires are a useful and extensively used tool in clinical sleep medicine and in sleep research. The number of sleep questionnaires targeting the pediatric age range has tremendously increased in recent years, and with such explosion in the number of instruments, their heterogeneity has become all the more apparent. Here, we explore the theoretical and pragmatic processes required for instrument design and development, i.e., how any questionnaire, inventory, log, or diary should be created and evaluated, and also provide illustrative examples to further underline the potential pitfalls that are inherently embedded in every step of tool development. PMID:20952230

Spruyt, Karen; Gozal, David

2010-10-16

331

A EFICIÊNCIA E EFICÁCIA NO GERENCIAMENTO DA INFOR- MAÇÃO DOS SISTEMAS DE APOIO A TOMADA DE DECISÃO  

Microsoft Academic Search

The business, in the present world configuration, is characterized by globalization, production proc- esses' automation and fast technological evolution (including hardware, software and telecommunications). These changes lead to the valorization of human resources and information as strategic resources for the or- ganizations to promote competitive advantage and to guarantee their survival. In this context, organizations' needs for information exchange and

Fábio Câmara; Araújo de Carvalho; Ernesto Escosteguy Castro; M. Eng; Aline França de Abreu

332

LEVANTAMENTO DOS FATORES DE RISCO PARA DOENÇAS CRÔNICAS EM UNIVERSITÁRIOS Survey on risk factors for chronic diseases in college students  

Microsoft Academic Search

The study proposed to identify the risk factors for diabetes mellitus (DM), systemic arterial hypertension (HAS) and cardiovascular diseases (DCV) in college students of a private institution in the city of Fortaleza. Two hundred students joined in the study, being submitted to an evaluation survey, in which were obtained data on: sex, age, history of tobacco use, alcoholism, sedentariness and

Vívian Saraiva Veras; Luciana Zaranza Monteiro; Camila Aparecida Pinheiro; Antônia Tayana da Franca; Mônica Helena; Neves Pereira; Renan Magalhães Montenegro

333

HiFIND: A high-speed flow-level intrusion detection approach with DoS resiliency  

Microsoft Academic Search

Global-scale attacks like worms and botnets are increasing in frequency, severity and sophistication, making it critical to detect outbursts at routers\\/gateways instead of end hosts. In this paper, leveraging data streaming techniques such as the reversible sketch, we design HiFIND, a High-speed Flow-level Intrusion Detection system. In contrast to existing intrusion detection systems, HiFIND: (i) is scalable to flow-level detection

Zhichun Li; Yan Gao; Yan Chen

2010-01-01

334

Comportamento dos sistemas de medicao em funcao da tarifa horosazonal - THS. (Measure systems behaviour based in season custom tariff).  

National Technical Information Service (NTIS)

The different measure systems are evaluated, based in the season custom tariff establishment, resulting in the load modulation and load reduction, during peak hour. Comparative analysis of the load curves are elaborated before and after the new tariff int...

S. Yshimaru A. A. Castro

1992-01-01

335

A influência dos captadores de vento na ventilação natural de habitações populares localizadas em climas quentes e úmidos  

Microsoft Academic Search

Warm humid regions cover great part of the Brazilian territory. In those regions, natural ventilation associated to solar protection is the most efficient building design strategy to reach thermal comfort by passive means. One of the strategies to increase natural ventilation in buildings is the use of wind-catchers, which consist of shafts with openings located above the roof, designed to

Denise Gonçalves Ferreira Lôbo; Leonardo Salazar Bittencourt

336

Camino Real Project (Camino Real de Tierra Adentro).  

National Technical Information Service (NTIS)

Contents: Through Desierto and Bosque: The Physical Environment of El Camino Real; The Pre-Spanish Camino Real; At the Ends of the Roads in the 1500s; Opening the Camino Real; North from Mexico, Inland and Beyond: El Camino Real; Seventeenth-Century Missi...

G. G. Palmer

1993-01-01

337

CRECIMIENTO Y PROPIEDADES FISICO-MECANICAS DE LA MADERA DE TECA (Tectona grandis) DE 17 ANOS DE EDAD EN SAN JOAQUIN DE ABANGARES, COSTA RICA 1  

Microsoft Academic Search

Los mercados de productos forestales, Growth and physical-mechanical tanto nacionales como internacionales, prove- properties of 17 years old teak (Tectona nientes de plantaciones y de bosques manejados grandis) growing in San Joaquin, Abangares, y certificados, son cada dfa mas exigentes en Costa Rica. The national and international cuanto a estandares y caractensticas de alta cali- market of forest products, from

Fernando Castro; Jaime Raigosa

338

Forest Health Assessment and Monitoring – Issues for Consideration  

Microsoft Academic Search

Part of this paper has been prepared for the lecture Forest Health Assessment-Criteria,Methods and Problems given by the author at the UIMPuniversity course Sanidad Forestal en el Bosques Mediterraneos yTemplados. Implicacion de la Contaminacion Atmosferica y del Cambio Global, held in Valencia, Spain, October, 1995.

Marco Ferretti

1997-01-01

339

Reclaiming Indigenous Intellectual, Political, and Geographic Space: A Path for Navajo Nationhood  

ERIC Educational Resources Information Center

|For millennia, Navajo society was self-sufficient. After 1863, beginning with Kit Carson's murderous rampage among the Navajo and the subsequent removal to the Bosque Redondo reservation, Navajo nationhood changed. Navajo society began a slow transformation away from the distinct Dine way of life. In the twentieth century Navajo nationalism was…

Lee, Lloyd L.

2008-01-01

340

Field Demonstration of the Performance of the L4DB Microbial Treatment System to Reduce Phosphorus and Other Substances from Dairy Lagoon Effluent.  

National Technical Information Service (NTIS)

Two upper North Bosque River segments were designated as impaired in 1998 due to point source and nonpoint source (NPS) pollution of phosphorus (P) to these segments of the watershed. As a result, two Total Maximum Daily Loads (TMDLs) were applied which c...

L. Gregory S. Mukhtar S. Rahman

2009-01-01

341

Plant Area Index and microclimate underneath shrub species from a Chilean semiarid community  

Microsoft Academic Search

In drylands, environmental conditions under shrub canopy differ from those found in open sites. We should expect that microclimate conditions under shrubs with distinct canopy architecture should also be different. Plant Area Index (PAI) of the three most abundant shrubs species (Porlieria chilensis, Adesmia bedwellii and Proustia cuneifolia) in Bosque Fray Jorge National Park, north-central Chile was measured using a

Y. Tracol; J. R. Gutiérrez; F. A. Squeo

2011-01-01

342

La investigacion sobre la calidad de los programas para ninos de hasta dos anos de edad (Research on Quality in Infant-Toddler Programs). ERIC Digest.  

ERIC Educational Resources Information Center

|Concern about the quality of infant-toddler care programs has grown recently in response to two factors. The first is the need of employed parents for such care, and the second is research emphasizing the importance of brain development in the early years. This Spanish-language Digest introduces some of the many issues related to the quality of…

Honig, Alice Sterling

343

TVI: Um Modelo Numerico Para Estimativa Global DA Fitomassa DOS Cerrados Brasileiros (TVI: A Mathematical Model for Global Estimation of Brazilian Cerrado Phytomass).  

National Technical Information Service (NTIS)

The main objective is to discuss the Transformed Vegetation Index (TVI) potentialities to estimate the cerrado phytomass. The ground and remote sensing data (thematic mapper/LANDSAT-5) were gathered on three selected areas: Roncador Ecological Reserve (IB...

J. R. Dossantos

1989-01-01

344

SISTEMÁTICA, MORFOLOGIA E FISIOLOGIA Descrição dos Estádios Imaturos de Acrogonia sp., Dilobopterus costalimai Young e Oncometopia facialis (Signoret) (Hemiptera: Cicadellidae: Cicadellinae)  

Microsoft Academic Search

The five nymphal instars of Acrogonia sp., Dilobopterus costalimai Young and Oncometopia facialis (Signoret) are described based on external morphology. Identification keys were elaborated, for recognition of nymphal instars and for distinction between males and females of third, fourth and fifth instars of these sharpshooter leafhoppers, which are important vectors of Xylella fastidiosa in citrus. A key for identification of

ROSANGELA C. MARUCCI; RODNEY R. CAVICHIOLI; ROBERTO A. ZUCCHI

345

APRENDER A ENSINAR: OS SABERES DOCENTES NA CONSTRUÇÃO DA PRÁTICA DE ENSINO DOS ESTAGIÁRIOS DE MÚSICA Maria Cristina de Carvalho Cascelli de Azevedo  

Microsoft Academic Search

This paper intend to present and discuss my research in teacher education. The rese- arch is developmented in the post gradute program of music in the Universidade Federal do Rio Grande Sul. My goal is to investigate how the graduate students in inservice pro- grams desenvelop their practice in teatching music while they articulate e mobilizing their teatcher's knowledges. The

Liane Hentschke

346

Linfoma primario cutáneo B de célula grande difuso tipo piernas según la nueva clasificación de la OMS-EORTC. dos casos  

Microsoft Academic Search

Primary cutaneous lymphomas are a heterogeneous group of lymphoproliferative disorders characterized by skin involvement with no evidence of systemic disease at the time of diagnosis. Their clinical behavior is generally indolent, and only occasionally is the development of extracutaneous disease observed. Since the 1980s, primary cutaneous B-cell lymphomas have been considered a specific group of lymphomas, differentiated from both T-cell

Buenaventura Hernández-Machín; Ricardo Fernández-Misa; Juan L. Alfonso; Carmen Marrero; Leopoldo Borrego

2005-01-01

347

Electrotransformacao de 'Pseudomonas elodea' na Clonagem dos Genes Envolvidos na Sintese do Gelano (Electrotransformation of 'Pseudomonas elodea' in the Cloning of Genes Involved in Gellan Synthesis).  

National Technical Information Service (NTIS)

Gellan gum is a exopolysaccharide produced with a high yield by Pseudomonas elodea ATCC31461. The cloning and identification of the genes of the gellan biosynthetic path can allow the development of new polysaccharides with different chemical composition ...

G. A. A. Monteiro

1991-01-01

348

A EVASÃO DOS ALUNOS DAS ACADEMIAS: UM ESTUDO DE CASO NO CENTRO INTEGRADO DE ESTÉTICA E ATIVIDADE FÍSICA - CIEAF, NA CIDADE DE CAICÓ-RN  

Microsoft Academic Search

The physical activity is a form to more improve each time the quality of life of the people, then the gym is synonymous of guided physical activity, serching to after for its practioners a service where at can, in the possible measure do, to take care of its expectations, and this study it had the objective to discover the reasons

Cristina Lúcia; Fernandes A. Albuquerque

349

Estudio comparativo entre dos fuentes alimentarias aportadoras de ácidos grasos poliinsaturados n-3 y su efecto sobre el timo y el perfil lipídico de ratas  

Microsoft Academic Search

SUMMARY. Comparative study between two different sources of n-3 poliunsaturated fatty acids and it effect on thymus and lipid profile in rats. In the present paper we analyzed the effect caused by different recovery diets enriched with n-3 polyunsaturated fatty acids (PUFA n-3) on thymus and serum lipid pattern. Severe depleted weanling Wistar rats (D) were divided in three groups

Inés Fernandez; Anabel N. Pallaro; Nora H. Slobodianik

2007-01-01

350

32 CFR Appendix C to Part 197 - Procedures for the Department of State (DoS) Foreign Relations of the United States (FRUS) Series  

Code of Federal Regulations, 2013 CFR

...Public Law No. 102-138. b. Request authorization from the CIA, NSC, and any other non-DoD Agency not signatory to the...classified. g. Submit to the respective Agency a list of CIA and NSC documents copied and released to the State...

2013-07-01

351

DoD and DOS Need Better Procedures to Monitor and Expend DoD Funds for the Afghan National Police Training Program.  

National Technical Information Service (NTIS)

We conducted this audit in response to a requirement in Public Law 111-383, 'Ike Skelton National Defense Authorization Act for Fiscal Year 2011' (the FY 2011 Act), January 7, 2011. The FY 2011 Act required that the DoD OIG, in consultation with the Depar...

2011-01-01

352

Ressonancia paramagnetica eletronica dos radicais livres induzidos por raios-X em pireno. (Electronic Paramagnetic Resonance (EPR) of free radicals induced by X-rays in pyrene).  

National Technical Information Service (NTIS)

Pyrene single crystals C(sub 16)H(sub 10), irradiated by X-rays, at room temperature, were studied by EPR technique, to determine free radicals formed by radiation. The angular dependence of EPR spectra was explained by the presence of two kinds of radica...

C. S. Moya Partiti

1982-01-01

353

Scavenger scattering at two contemporary open air sites in Hungary Dispersión de carroñeros en dos yacimientos contemporáneos al aire libre en Hungría  

Microsoft Academic Search

A major cause of taphonomic loss is bone destruction by scavengers. Having monitored nine sheep bone scatters and two modern sheep carcasses near a farmstead and in a nearby forest clearing, it was hypothesized that the proximity of the settlement influenced multiple non-human bone modificator activities. This observation was tested by an experiment in which the rate of transport was

László BARTOSIEWICZ

354

Estudo do nível de desenvolvimento da coordenação motora da população escolar (6 a 10 anos de idade) da Região Autónoma dos Açores  

Microsoft Academic Search

Motor coordination level of school aged children (6-10 years) of the Azores Islands The purposes of this investigation were: (1) to characterize the develop- mental state of motor coordination in primary school children; (2) to identify differences between children of both genders; and to (3) identify the presence of insufficient motor coordination. Sample comprises 3742 children of both genders with

V. P. Lopes; R. G. Silva; A. Seabra; F. P. Morais

355

Nortriptyline blood levels and clinical outcome: meta- analysis of published studies Níveis sangüíneos de nortriptilina e resposta clínica: metanálise dos estudos publicados  

Microsoft Academic Search

Introduction: An optimum range has been suggested for nortriptyline blood levels, above or below which patients respond poorly or do not respond at all to treatment. Methods: A meta-analysis of published studies was performed to verify the existence of an optimal blood concentration range or therapeutic window in nortriptyline-treated depression patients. A MEDLINE search through the years 1970-1999 was carried

Mônica G Ribeiro; Eduardo LA Pereira; Rogério Santos-Jesus; Eduardo P Sena; Kátia Petribú; Irismar R Oliveira

356

FORMAÇÃO DOS PROFISSIONAIS DAS ÁREAS DE CIÊNCIAS AGRÁRIAS EM SEGURANÇA NO TRABALHO RURAL 1 Preparation of professionals in the area of agrarian sciences regarding safety in rural work  

Microsoft Academic Search

The present paper had the objective of checking if the professional who will be engaged in the job market had received proper orientation and training to act in rural working safety, to establish relations between professional orientation and the information which will be given to rural growers. As research instrument, a questionnaire was used and applied to 209 growers and

Adilson Luiz Seifert; Débora Cristina Santiago

357

Influence of Conduction States on the Electronic Properties of Doped Semiconductors Influencia DOS Estados de Conducao Sobre as Propriedades Eletronicas de Semicondutores Dopados.  

National Technical Information Service (NTIS)

A model for the calculation of electronic properties of doped semiconductors, that considers the presence of the conduction band of the host material, is proposed. The model is derived from the standard basis operator form of the extended Anderson model. ...

L. F. Perondi R. Kishore

1983-01-01

358

SPATIO-TEMPORAL ANALYSIS OF THE SUGAR CANE OCCUPATION REGION IN THE LOW REGION OF THE SÃO JOSÉ DOS DOURADOS SP HYDROGRAPHIC BASIN USING GEOTECHNOLOGY  

Microsoft Academic Search

Although Brazil is the largest sugar cane producer in the world its growing culture is still expanding due to the increasing de mand for biofuels. Such demand had led to a continuous growth of the planted cane area especially in the northeast region of the state of São Paulo. The aim of this work is to evaluate the growth of

Tânia Regina; Inácio Rodrigues; Archimedes Perez Filho

359

Estudo Sobre a Vegetacao Aquatica e Marginal Relacionada com a Vida dos Peixes (Study on Aquatic and River Margins Vegetation Related to Fish Life).  

National Technical Information Service (NTIS)

This study is part of the Ichthyology Research Project of the Araguaia-Tocantis region. The objective was to identify the aquatic and river margins species which are directly or indirectly related to the fish life, specifically as a source of food for the...

J. E. de Paula

1978-01-01

360

Análise dos Foraminíferos Bentônicos de Dois Testemunhos na Região Nordeste da Baía de Guanabara Benthic Foraminifera Analysis in Two Cores from the Northeastern Area of Guanabara Bay  

Microsoft Academic Search

Guanabara bay receives a large amount of industrial and domestic sewage, which contributes for its environmental degradation. For monitoring those environmental changes, two cores from the northeastern area of the bay were analized. They were subsampled in centimeter intervals and the laboratory treatment followed specific methodology for foramini - fera. Foraminifera are much sensitive microorganisms as to environmental changes as

Raquel Batista; Medeiros da Fonseca; Kelly Cristine; Costa de Abreu

361

O EFEITO DO TREINO DA VISÃO PERIFÉRICA NA ZONA DOS GOLS DO FUTSAL -TREINO DA VISÃO PERIFÉRICA The effect of the peripheral vision training of futsal goal zone  

Microsoft Academic Search

Visual perception is important for the futsal player to practice the actions of the match with good skill. The peripheral vision is important for the attack, because the sportsman has more chances of goals. The objective of the study was to determine the effect of the peripheral vision training of futsal goal zone. Ten young futsal players, with an average

Nelson Kautzner; Marques Junior; Vernon Furtado da Silva

362

Análisis de dos poblaciones de gallinas criollas (Gallus domesticus) utilizando RAPDs como marcadores moleculares An analysis of two native poultry populations (Gallus domesticus) using RAPD's as molecular markers  

Microsoft Academic Search

México has a great variety of native poultry but knowledge about its diversity is minimal. In this study, twenty individuals belonging to two populations of native hens (Gallus domesticus) were analyzed. They were chosen by egg production, through polymorphism identification generated by DNA random amplification (RAPD's). Amplification generated products show different sizes between 0.2 to 1.1 kb. Polymorphism was detected

Irma Morelia Soto Huipe; Guadalupe Zavala Páramoa; Horacio Cano Camacho; Joel E. López Meza

363

MODIFICACIÓN EN LOS INDICADORES PLASMÁTICOS DEL METABOLISMO DE LÍPIDOS Y GLUCOSA, EN RESPUESTA A DOS TIPOS DE EJERCICIO AERÓBICO EN POBLACIÓN FÍSICAMENTE ACTIVA  

Microsoft Academic Search

The physical exercise has demonstrated to be a preventive factor for the development of chronic- degenerative diseases. The continuous aerobic physical exercise decreases the insulin resistance and the atherogenic lipid profile; however, the intermittent aerobic exercise has been less studied in relation to its effects on lipid metabolism. The metabolic response to both kinds of exercise depends on the intensity,

Rosa Patricia Hernández-Torres; Arnulfo Ramos-Jiménez; Eduardo Gómez-Gómez; Ma de Jesús Muñoz-Daw; Patricia Victoria Torres-Durán; Dieter Mascher; Carlos Posadas-Romero; Marco Antonio Juárez-Oropeza

2007-01-01

364

A Educacao dos Portadores de Necessidades Especiais no Brasil no Periodo de 1910 a 1949 (Education of Those with Special Needs in Brazil from 1920 to 1949).  

ERIC Educational Resources Information Center

|Examines education given to those with special needs in Brazil from 1910-1949. Shows the dichotomy of meanings in which the education of special needs persons during that period, besides being marked by concepts related to the exclusion paradigm, already indicated signs of respect for diversity and civil rights. (BT)|

Marques, Carlos Alberto; Santiago, Mylene Cristina; de Moura, Simone Moreira

2000-01-01

365

EFICIÊNCIA DOS INSETICIDAS FISIOLÓGICOS MIMIC 240 SC (TEBUFENOZIDE) E INTREPID 240 SC (METHOXIFENOZIDE) NO CONTROLE DA MARIPOSA ORIENTAL Grapholita molesta (BUSCK, 1916) (LEPIDOPTERA: TORTRICIDAE) NA CULTURA DA PEREIRA  

Microsoft Academic Search

EFFICIENCY OF THE PHYSIOLOGIC INSECTICIDES MIMIC 240 SC (TEBUFENOZIDE) AND INTREPID 240 SC (METHOXIFENOZIDE) IN THE CONTROL OF THE ORIENTAL MOTH Grapholita molesta (BUSCK, 1916) (LEPIDOPTERA: TORTRICIDAE) IN THE CULTURE OF THE PEAR. Seeking the control of the oriental moth, Grapholita molesta, in the culture of the pear with physiologic insecticides, an experiment was done in the municipal district of

Alci E. LOECK; Mauro S. GARCIA

366

A capacidade de recuperação dos preços das ações das empresas de real estate cotadas na Bovespa The share prices recovery capacity of real estate companies in Bovespa  

Microsoft Academic Search

Due to the real estate sector positive outlook between 2005 and 2007, the IPOs of real estate companies was looked as a good investment opportunity and all the offers placed in Bovespa was absorbed by the market in the volume and prices offered in IPOs. This attractiveness was a result of valuations produced by an optimistic and speculative view. What

João da Rocha; Carolina Andrea; Garisto Gregório

367

Evaluacion Financiera de dos sistemas de riego, goteo y gravedad en el cultivo de caña de azucar en Zapotiltic, Jalisco, Mexico  

Microsoft Academic Search

Faced with the imminent opening up of the trade in México in 2008, cultivation sugar cane (Sacchrum spp.) It has a strong competitive pressure from other producing countries that are operating with cost and low prices. Hence the need to seek production alternatives that could improve the profitability and competitiveness of this crop. For this propose was raised in this

Guadalupe Torres Sanchez; Victor Hugo Prado Vazquez; Ma. Patricia Rivera Espinoza

2009-01-01

368

Utilizacao dos ensaios de raios-X e fluoroscopia na industria de armamento e municao. (Use of X-ray essay and fluoroscopy in the armament industry).  

National Technical Information Service (NTIS)

Of the nondestructive testing the process of test by radiography has a special place. With view to great variety of problems of essays in the armament industry, the X-Ray radiography has excellent possibilities of testing, that not possible, for example, ...

G. Bohnsack R. Schimidt

1989-01-01

369

EFICIÊNCIA PRODUTIVA DE EMPRESAS DA INDÚSTRIA DE ALIMENTOS NO BRASIL Grupo de Pesquisa: Estrutura, Evolução e Dinâmica dos Sistemas Agroalimentares e Cadeias Agroindustriais  

Microsoft Academic Search

Resumo: A indústria de alimentos no Brasil é um setor de g rande importância para a economia brasileira com poucos estudos publicados quanto ao seu desempenho operacional. Este trabalho avalia a eficiência relativa (técnica e de escala) de uma amostra de empresas de diferentes segmentos desta indústria, utilizando-se para tanto o Método DEA. Os segmentos analisados foram: Conglomerados Alimentícios; Óleos

Apresentação Oral-Estrutura; OSCAR TUPY

370

Proceedings of the 6th. National Meeting of Reactor Physics and Thermohydraulic Held at San Jose dos Compos, Brazil on 3 December 1986.  

National Technical Information Service (NTIS)

The proceedings of the 6. National Meeting of Reactor Physics and Thermohydraulic - 6. ENFIR - allow to evaluate the present status of development in reactor physics and thermohydraulic fields. The mathematical models and methods for calculating neutronic...

1986-01-01

371

Analise modal dos efeitos espaciais sobre os transientes de potencia num reator nuclear. (Modal analysis of spatial effects on transients in nuclear power reactor).  

National Technical Information Service (NTIS)

The solution of the linearized space dependant reactor kinetics equations with fuel and moderator temperature coefficient feed backs are obtained by modal analysis. The heat transfer from fuel to moderator is explicitly considered through the heat balance...

O. Agueda

1976-01-01

372

Una controversia historica al servicio de una situacion de aprendizaje: una reconstruccion didactica basada en Dialogo sobre los dos maximos sistemas del mundo de Galileo  

Microsoft Academic Search

It is difficult for the common sense to admit that an object dropped from the top of the mast of a ship moving at a constant velocity falls down at the bottom of the mast because it keeps inside the horizontal movement of the ship. This difficulty is similar to the one faced by early scientists from the pre-classical science

Cecile de Hosson

2010-01-01

373

Una controversia historica al servicio de una situacion de aprendizaje: una reconstruccion didactica basada en Dialogo sobre los dos maximos sistemas del mundo de Galileo  

Microsoft Academic Search

It is difficult for the common sense to admit that an object dropped from the\\u000atop of the mast of a ship moving at a constant velocity falls down at the\\u000abottom of the mast because it keeps inside the horizontal movement of the ship.\\u000aThis difficulty is similar to the one faced by early scientists from the\\u000apre-classical science

Cecile de Hosson

2010-01-01

374

MERCADO DOS PRODUTOS FLORESTAIS NÃO-MADEIREIROS DO CERRADO BRASILEIRO MARKET OF NON-WOOD FOREST PRODUCTS FROM BRAZILIAN S AVANNA  

Microsoft Academic Search

In this article, we analyze the main non-wood fores t products from Brazilian savanna. We studied the behavior and the growth rates of production and prices of almond of babaçu, oil of copaiba, fiber of buriti, leaf of jaborandi, bark of barbatimão, bark of angico, fruit of mangaba, almonds of pequi, fro m 1982 to 2005. All the products exhibited

Sandra Regina Afonso; Humberto Ângelo

2009-01-01

375

O papel do Principal Complexo de Histocompatibilidade (MHC) na imunobiologia dos aromas The role of the Major Histocompatibility Complex in the Immunobiology of Self-Aromas  

Microsoft Academic Search

Os autores apresentam uma revisão sobre os mecanismos imunobiológicos no processo da olfação, reunindo informações atuais e relevantes sobre os odores liberados pelo organismo de vertebrados e sua associação com o sistema imune. Algumas teorias sobre características estruturais de odores ou aromas têm sido propostas, sendo as mais importantes: a teoria estereoquímica e da vibração do odor. Diversas técnicas baseadas

Mariana Cavalheiro Magri; Adele Caterino-de-Araujo

376

EFECTO DE LA DEFOLIACION SOBRE LA FENOLOGIA Y PRODUCCION DE DOS VARffiDADES DE MELOCOTON (Prunuspersica) EN COSTA RICA1  

Microsoft Academic Search

Effect of chemical and hand defoliation on the phenology and yield of two peach varieties (Prunus persica) in Costa Rica. A trial was conducted to detennine the effect of defoliation on the blooming and fruit yield of peach trees, 'Big Boston' and 'Hall's Yellow' varieties, at the Fabio Baudrit Experimental Station in Fraijanes, Alajuela, Costa Rica. The treatments consisted of

Ileana Sanchez; Claudio Javier Gamboa; Guillermo Sancho; Primo Luis Chavarrta

377

Avaliação dos Efeitos de uma Modalidade de Treinamento de Habilidades Sociais para Crianças Evaluation of the Effects of the Social Skills Training Method to Children  

Microsoft Academic Search

This article describes the effects of a social skills training on prosocial behavior, self concept, and peers accep- tance, in three children: P.1, female, 9 years old, aggressive behavior and difficulty of learning; P.2, male, 7 years old, aggressive behavior; P.3, male, 13 years old, extremely shy, difficulty in learning, The program was cognitive behavioral based and was conducted in

Elaine Sabino Gonçalves; Sheila Giardini Murta

378

Efeitos dos Exercícios Físicos Sobre o Edema Inflamatório Agudo em Ratos Wistar Effects of Physical Exercise on the Acute Inflammatory Edema in Wistar Rats  

Microsoft Academic Search

Physical exercises have been associated with important and varied benefits to health, as those related to the specific and non-specific immune function, stressing the inflammatory process in the latter. However, depending on their type, intensity, frequency and duration, exercises can also cause certain harm to the organism. Actually, previous research has demonstrated that the hypernociception of inflammatory origin in rats

Ademir da Costa Lana; Célia Aparecida Paulino; Ivair Donizeti Gonçalves

379

Avaliacao dos sistemas de distribuicao de energia eletrica: periodo 1984/89. (Evaluation of electric power distribution systems: period 1984/89).  

National Technical Information Service (NTIS)

The historical evolution of electric power distribution systems in Brazil, during 1984 to 1989 is described, showing the consumer market with the physical expansion of Distribution Networks and the results of quality from the services made by the companie...

W. A. Britto Filho V. G. Pinto

1992-01-01

380

Evolución en Núcleos Activos de Galaxias y QSOs I. Relación Starbursts y AGNs en Galaxias Próximas  

NASA Astrophysics Data System (ADS)

We have started a new part of our program: ``Study of Evolution of AGNs & QSOs''. This new part is mainly a study of the relation between Starbursts and AGNs-QSOs in nearby galaxies (using our model of Evolutive, Composite & Explosive AGNs-QSOs). In particular, we have started spectrophotometric and imaging observations at CASLEO, Bosque Alegre, Gemini, Calar Alto, etc. This study also includes the analysis of Archive Data. Here we show our first results for NGC 1097. FULL TEXT IN SPANISH

Lípari, S.; Merlo, D.; Moyano, M.

381

RENEWABLE ENERGY AND ENVIRONMENTAL SUSTAINABILITY USING BIOMASS FROM DAIRY AND BEEF ANIMAL PRODUCTION  

Microsoft Academic Search

ABSTRACT;\\u000aThe Texas Panhandle is regarded as the âÂÂCattle Feeding Capital of the Worldâ, producing 42% of the fed beef cattle in the United States within a 200-mile radius of Amarillo generating more than 5 million tons of feedlot manure \\/year. Apart from feedlots, the Bosque River Region in Erath County, just north of Waco, Texas with about 110,000 dairy

John M. Sweeten; Kalyan Annamalai; Brent Auvermann; Saqib Mukhtar; Sergio C. Capareda; Cady Engler; Wyatte Harman; J. N. Reddy; Robert DeOtte; David B. Parker

2012-01-01

382

RENEWABLE ENERGY AND ENVIRONMENTAL SUSTAINABILITY USING BIOMASS FROM DAIRY AND BEEF ANIMAL PRODUCTION  

Microsoft Academic Search

The Texas Panhandle is regarded as the 'Cattle Feeding Capital of the World', producing 42% of the fed beef cattle in the United States within a 200-mile radius of Amarillo generating more than 5 million tons of feedlot manure\\/year. Apart from feedlots, the Bosque River Region in Erath County, just north of Waco, Texas with about 110,000 dairy cattle in

John M. Sweeten; Kalyan Annamalai; Brent Auvermann; Saqib Mukhtar; Sergio C. Capareda; Cady Engler; Wyatte Harman; J. N. Reddy; Robert DeOtte; David B. Parker

2012-01-01

383

RENEWABLE ENERGY AND ENVIRONMENTAL SUSTAINABILITY USING BIOMASS FROM DAIRY AND BEEF ANIMAL PRODUCTION  

Microsoft Academic Search

The Texas Panhandle is regarded as the âÃÂÃÂCattle Feeding Capital of the WorldâÃÂÝ, producing 42% of the fed beef cattle in the United States within a 200-mile radius of Amarillo generating more than 5 million tons of feedlot manure \\/year. Apart from feedlots, the Bosque River Region in Erath County, just north of Waco, Texas with about 110,000 dairy cattle

John M. Sweeten; Kalyan Annamalai; Brent Auvermann; Saqib Mukhtar; Sergio C. Capareda; Cady Engler; Wyatte Harman; J. N. Reddy; Robert DeOtte; David B. Parker

2012-01-01

384

The use of vegetation in assessing the productivity of forest lands  

Microsoft Academic Search

\\u000a Resumen  Los principios básicos al empleo de tipos de vegetación en el evaluar de terreno forestál están enumerados y descutidos. (1)\\u000a La vegetación refleja la suma de todos los elementos del medio ambiente que son importantes para las plantas. (2) Las especies\\u000a con poderes en competencia más altos son las indicadores mejores. (3) Los bosques consisten en grupos (“unions”) sobrepuestos\\u000a que

R. Daubenmire

1976-01-01

385

Simulation of Agricultural Management Alternatives for Watershed Protection  

Microsoft Academic Search

The Bosque River Watershed in Texas is facing a suite of water quality issues including excess sediment, nutrient, and bacteria.\\u000a The sources of the pollutants are improperly managed cropland and grazing land, dairy manure application, and effluent discharge\\u000a from wastewater treatment facilities. Several best management practices (BMPs) have been proposed for pollution reduction\\u000a and watershed protection. The overall objectives of

Pushpa Tuppad; Narayanan Kannan; Raghavan Srinivasan; Colleen G. Rossi; Jeffrey G. Arnold

2010-01-01

386

COMPARISON OF THREE METHODS TO PROJECT FUTURE BASELINE CARBON EMISSIONS IN TEMPERATE RAINFOREST, CURINANCO, CHILE  

SciTech Connect

Deforestation of temperate rainforests in Chile has decreased the provision of ecosystem services, including watershed protection, biodiversity conservation, and carbon sequestration. Forest conservation can restore those ecosystem services. Greenhouse gas policies that offer financing for the carbon emissions avoided by preventing deforestation require a projection of future baseline carbon emissions for an area if no forest conservation occurs. For a proposed 570 km{sup 2} conservation area in temperate rainforest around the rural community of Curinanco, Chile, we compared three methods to project future baseline carbon emissions: extrapolation from Landsat observations, Geomod, and Forest Restoration Carbon Analysis (FRCA). Analyses of forest inventory and Landsat remote sensing data show 1986-1999 net deforestation of 1900 ha in the analysis area, proceeding at a rate of 0.0003 y{sup -1}. The gross rate of loss of closed natural forest was 0.042 y{sup -1}. In the period 1986-1999, closed natural forest decreased from 20,000 ha to 11,000 ha, with timber companies clearing natural forest to establish plantations of non-native species. Analyses of previous field measurements of species-specific forest biomass, tree allometry, and the carbon content of vegetation show that the dominant native forest type, broadleaf evergreen (bosque siempreverde), contains 370 {+-} 170 t ha{sup -1} carbon, compared to the carbon density of non-native Pinus radiata plantations of 240 {+-} 60 t ha{sup -1}. The 1986-1999 conversion of closed broadleaf evergreen forest to open broadleaf evergreen forest, Pinus radiata plantations, shrublands, grasslands, urban areas, and bare ground decreased the carbon density from 370 {+-} 170 t ha{sup -1} carbon to an average of 100 t ha{sup -1} (maximum 160 t ha{sup -1}, minimum 50 t ha{sup -1}). Consequently, the conversion released 1.1 million t carbon. These analyses of forest inventory and Landsat remote sensing data provided the data to evaluate the three methods to project future baseline carbon emissions. Extrapolation from Landsat change detection uses the observed rate of change to estimate change in the near future. Geomod is a software program that models the geographic distribution of change using a defined rate of change. FRCA is an integrated spatial analysis of forest inventory, biodiversity, and remote sensing that produces estimates of forest biodiversity and forest carbon density, spatial data layers of future probabilities of reforestation and deforestation, and a projection of future baseline forest carbon sequestration and emissions for an ecologically-defined area of analysis. For the period 1999-2012, extrapolation from Landsat change detection estimated a loss of 5000 ha and 520,000 t carbon from closed natural forest; Geomod modeled a loss of 2500 ha and 250 000 t; FRCA projected a loss of 4700 {+-} 100 ha and 480,000 t (maximum 760,000 t, minimum 220,000 t). Concerning labor time, extrapolation for Landsat required 90 actual days or 120 days normalized to Bachelor degree level wages; Geomod required 240 actual days or 310 normalized days; FRCA required 110 actual days or 170 normalized days. Users experienced difficulties with an MS-DOS version of Geomod before turning to the Idrisi version. For organizations with limited time and financing, extrapolation from Landsat change provides a cost-effective method. Organizations with more time and financing could use FRCA, the only method where that calculates the deforestation rate as a dependent variable rather than assuming a deforestation rate as an independent variable. This research indicates that best practices for the projection of baseline carbon emissions include integration of forest inventory and remote sensing tasks from the beginning of the analysis, definition of an analysis area using ecological characteristics, use of standard and widely used geographic information systems (GIS) software applications, and the use of species-specific allometric equations and wood densities developed for local species.

Patrick Gonzalez; Antonio Lara; Jorge Gayoso; Eduardo Neira; Patricio Romero; Leonardo Sotomayor

2005-07-14

387

Estudo da evolução dinâmica fluvial dos rios do Amazonas com base em imagens de RADAR e satélite nos últimos 30 anos, balanço entre área de erosão e deposição e possíveis conseqüências para a ocupação humana  

Microsoft Academic Search

The Amazon region as resultant of geologic history and the climate, shelters a more extensive fluvial system and of bigger liquid mass of the Land. The analysis of products of remote sensing in the Amazônia is the technique that still persists as the main tool to assist in the execution of diverse scientific works. The agreement of the fluvial dynamics

Amaro Luiz Ferreira

388

O uso dos solventes eucaliptol e óleo de laranja na desobturação do canal radicular The Use of Eucalyptol and Orange Oil Solvents in the Removal of Filling Material From Root Canal  

Microsoft Academic Search

It's still very common, unfortunately, the necessity of endodontics retreatment in the daily routine of odontological clinics. A number of techniques and auxiliary means are recommended for the deflation of the root canal and following reinstrumentation. In relation to the solvents of the filling material, there are several proposals, but just a few of them present adequate capacity of dissolution

Deisi Cucco; Orlando Limongi; Tatiana Chies Hartmann

389

Evaluación post-quirúrgica de la cirugía de estenosis lumbar degenerativa por método descompresivo selectivo Avaliação dos resultados do tratamento da estenose do canal lombar pela técnica da descompressão seletiva  

Microsoft Academic Search

Objective: The Senegas Recalibration Technique consists in a lumbar channel selective decompression conserving the estabilizated elements.The aim of this study was to present our experience in the treatment of the degenerative lumbar stenosis whith the Senegas technique. Methods: Thirth eight patients operated whit this technique whit a follow up of 53.92%(84-24) months were evaluated. Results: In percentual, 52.63 % of

Cristián Taleb

390

DESENVOLVIMENTO DE UMA NOVA LINHA DE AÇOS INOXIDÁVEIS DUPLEX OU COMO O NITROGÊNIO PODE REDUZIR O TEOR DE NÍQUEL, MELHORANDO SIMULTANEAMENTE A RESISTÊNCIA À CORROSÃO E PROPRIEDADES MECÂNICAS DOS AÇOS INOXIDÁVEIS  

Microsoft Academic Search

Austenitic stainless steels are widely used for a large number of applications. However when a high corrosion resistance is required the increase in the level of Ni and Mo has a strong impact in the final price of the material. Ferritic stainless steels are normally nickel free and represent a good alternative for applications when the corrosion environment is moderate

Marc Mantel; Eric Chauveau; Antonio S. Viana; Jerome Peultier; Sophie Jacques

391

Contribuicao para o Estudo do Effeito dos Graus de Maturidade nas Interaccoes Genotipos Ambientes em Algumas Racas Bovinas Nacionais (Study of the Effect of the Degrees of Maturity on Genotype-Environment Interactions in Some Portuguese Beef Cattle Breeds).  

National Technical Information Service (NTIS)

An experiment was performed with four genotypes: Alentejano, Portuguese Friesian, Alentejano x Charollais and Hereford x Portuguese Friesian. Every genotype consisted of 12 bullocks. At the beginning of the trial, in Spring, the animals were grazing in so...

G. L. da Silveira Nunes Barata

1990-01-01

392

The role of two acidophilic algae as ecological indicators of acid mine drainage sites El papel de dos algas acidófi las como indicadores ecológicos de zonas de drenajes ácidos de minas  

Microsoft Academic Search

Acidic effl uents, emerging from four abandoned mines (Valdarcas, Carris, Adoria and Cerquido) in Northern Portugal were ana- lyzed regarding physical-chemical, mineralogical and ecological characteristics. Such effl uents present distinct properties since they were mobilized from wastes of different primary ores and mining procedures. Results show that acidophilic algal colonization is dominated by Euglena mutabilis and Klebsormidium sp.. Abundance and

T. M. Valente; C. L. Gomes

393

EFFECTS OF EMOTIONAL CONTENT ON DECLARATIVE MEMORY: TWO STUDIES CONDUCTED ON HEALTHY SUBJECTS AND CEPHALALGIC PATIENTS EFECTOS DEL CONTENIDO EMOCIONAL SOBRE LA MEMORIA DECLARATIVA: DOS ESTUDIOS EFECTUADOS EN SUJETOS SANOS Y PACIENTES CEFALÁLGICOS  

Microsoft Academic Search

Several studies suggest that emotional arousal can promote memory storage. We report two studies evaluating the ef fects of emotional content on declarative memory, conducted with healthy subjects and cephalgic patients. We utilized an adaptation of two versions of the same story, with different arousing properties (neutral or emotional), which have been already employed in experiments involving the enhancing effects

A. Gasbarri; B. Arnone; A. Pompili; A. Marchetti; P. Di Fabrizio; S. Saad Calil; M. C. Tavares; C. Tomaz

394

DIMED 86: Discurso dos Media e Ensino a Distancia = Discours des Media et Enseignement a Distance = Media Speech and Distance Teaching. Papers Presented at a Seminar (21st, Algarve, Portugal, March 10-15, 1986).  

ERIC Educational Resources Information Center

|Presentations at this seminar on distance education focused on the different types of speech in multimedia presentations which contribute to the elaboration (simulated or substituted) of a situation involving different relationships. In addition to opening and closing remarks by Marcel de Greve and a final report by the Scientific Committee of…

Coelho, Maria Eduarda Leal

395

Análisis de dos conceptos clave en el estudio de las interacciones: formato y zona de desarrollo próximo Analysis of two key concepts in the study of interactions: formats and zone of proximal development  

Microsoft Academic Search

In this paper two key concepts of great relevance for the study of interactions are revised: format and zone of proximal development, one derived from Bruner and the other from the early works of Vygotsky. Traits and applications in family and scholar contexts are analysed when they are applied to dyads and in school interactions. Extending the analysis we go

396

Comparación de la Acción Antiplaca de Dos Volúmenes (10 y 15 ml) de un Colutorio de Clorhexidina-Xilitol Comparison of Two Different Volumes (10 and 15 ml) of a Mouthrinse Containing Chlorhexidine and Xylitol  

Microsoft Academic Search

The aim of the present study was to compare the effect on dental plaque accumulation and gingivitis of two different volumes (10 and 15 ml) of a mouthrinse containing 0.12% Chlorhexidine with 10% Xylitol. . Methods: This clinical short term investigation was a single blind, randomized, study involving 29 healthy volunteers (14 female, 15 male; mean age 19.7 years) with

Gómez Capurro M; Chiappe Marino V; Romanelli Varela H; Harfin Fiedotín J; Fresolone Serdá M; Niremberg Zane P; Ammann Redondo J; Trabajo de Investigación

397

Efeito dos raios-x sobre o tubulo contorcido proximal de rim de camundongo (Mus musculus). Estudo ultra-estrutural. (X-rays effect on the proximal tubes of murine kidney (Mus musculus). Ultra-structural study).  

National Technical Information Service (NTIS)

The kidney alterations in mice it was submitted to total irradiation was studied, trying to determine which lesions were produced and in which sequence its occur. Knowing that irradiation, since in low doses, decrease the organism survival, since anticipa...

I. P. Pacheco

1973-01-01

398

Recent advances in the neurochemistry of memory consolidation and retrieval: Impact on current views on memory disorders. Recentes avanços na neuroquímica da consolidação da memória e evocação: Impacto na concepção atual dos distúrbios de memória  

Microsoft Academic Search

Many aspects of the molecular basis of declarative memory formation, retrieval and extinction have been established in the past few years. These aspects add to, and partly modify, some long-standing concepts on memory disorders. This article will review data from our laboratories and comment on their impact on these concepts. Particular emphasis will be placed on: a) new findings on

IVÁN IZQUIERDO; MARTÍN CAMMAROTA; LIA M. R. BEVILAQUA; DANIELA M. BARROS; JORGE H. MEDINA

399

Determinacao DA Atenuacao de Microondas Pela Influencia DOS Gases Atmosfericos, Atraves de Tecnica Radiometrica (Determination of Microwave Attenuation Due to the Influence of Atmospheric Gases Using the Radiometric Technique).  

National Technical Information Service (NTIS)

A radiometer was constructed for atmospheric radiation measurement at 22 GHz wavelength in a study of the coefficient of microwave attenuation. Simultaneous measurements were taken by meteorologic radiosonde in the Brazilian city of Bauru in January 1983....

R. E. Schaal C. B. Georges

1983-01-01

400

Violência doméstica contra crianças: nível de conhecimento dos pais de crianças em escolas pública e privada Domestic violence against children: knowledge of parents of children enrolled in public and private schools  

Microsoft Academic Search

Objective: To study the knowledge about domestic violence of parents and caregivers of children enrolled in elementary schools, and to identify how they deal with this subject in their children education. Methods: This descriptive study used a questionnaire about child abuse and educational practices applied to par- ents\\/caregivers of children from one public and one private school in Catanduva, São

Terezinha Soares Biscegli; Helena Hotz Arroyo; Nathália da Silva Halley; Giuliana Martinelli Dotoli

401

Preparacao, caracterizacao e estudo do comportamento termico dos selenatos duplos de lantanideos, de itrio e berilio. (Preparation, characterization and thermal behaviour study of double selenates of lanthanides, yttrium and beryllium).  

National Technical Information Service (NTIS)

The lanthanides (III) and yttrium (III) double selenates were studied using common analytical methods, atomic absorption, X-ray diffraction infra-red absorption, thermogravimetry and differential thermal analysis. These compounds were prepared from the mi...

C. A. Ribeiro

1988-01-01

402

Extração, análise e distribuição dos ácidos fenólicos em genótipos pigmentados e não pigmentados de arroz (Oryza sativa L.) Extraction, analysis and distribution of phenolic acids in pigmented and non-pigmented genotypes of rice (Oryza sativa L.)  

Microsoft Academic Search

This study was conducted to evaluate the distribution of total phenolic compounds and phenolic acids in the soluble and insoluble fractions of 10 rice (Oryza sativa L.) genotypes with pigmented or non-pigmented pericarp. These compounds were reported to exert beneficial effects on human health due to their high antioxidant activities. The total phenolic compounds (CFT) in both fractions was determined

Valéria Mussi de MIRA; Rosa Maria Cerdeira BARROS; Moacir Antonio SCHIOCCHET; José Alberto NOLDIN; Ursula Maria LANFER-MARQUEZ

403

CAMBIOS EN LAS PROPIEDADES FÍSICAS DE DOS SUELOS DE UNA REGIÓN SEMIÁRIDA DEBIDOS AL USO AGRÍCOLA CHANGES IN THE PHYSICAL PROPERTIES OF TWO SOILS IN A SEMI-ARID ENVIRONMENT DUE TO AGRICULTURAL USE  

Microsoft Academic Search

The influence of soil management and tillage intensity in the physical properties of an eutric Fluvisol and an eutric Regosol, located at Noria de Ángeles in the state of Zacatecas, México, was assessed. The management practices evaluated were: soil tillage using animal and mechanical draft and, as control, natural vegetation soils. The infiltration rate and penetration resistance were determined in

Fidencio Sustaita-Rivera; Víctor Ordaz-Chaparro; Carlos Ortiz-Solorio; Fernando de León-González; Huajuapan de León

2000-01-01

404

influência do número de Séries e tempo de alongamento Estático Sobre a Flexibilidade dos Músculos isquiotibiais em Mulheres Sedentárias influence of the number of Sets and time of Static Stretching on the Flexibility of hamstring Muscles in Sedentary Women  

Microsoft Academic Search

Introduction and objective: Stretching exercises are largely used in rehabilitation programs, but the ideal duration and the number of sets have not been determined yet. The purpose of this study was to evaluate the effects of 10 sets-30 seconds and 3 sets-3 minutes of static stretch on flexibility of hamstring muscles, comparing different volumes within 10 minutes. Moreover, to verify

Mariana Vita Milazzotto; Luciana Gruba Corazzina; Richard Eloin Liebano

2009-01-01

405

Polimorfismo dos Fragmentos de Restricao do DNA Ribossomal em Taxonomia Molecular de Leveduras: Estudo de um Genero (Restriction Fragment Polymorphism of Ribosomal DNA in Yeasts Molecular Taxonomy: Study of a Genus).  

National Technical Information Service (NTIS)

The study explored the possibility of obtaining species-specific probes based on cloned spacer sequences of rDNA using the type strain of the yeast Metschnikowia reukaufii as a model. The study isolated, cloned and mapped its rDNA. Subsequently sub-clones...

M. O. I. Henriques

1990-01-01

406

Contribuicao ao estudo dos mecanismos de reparacao em Staphylococcus epidermidis: caracterizacao de mutantes sensiveis as radiacoes ultravioleta. (Contribution to the safety of repairing mechanisms in Staphylococcus epidermidis: characterization of mutants sensible to ultraviolet radiation).  

National Technical Information Service (NTIS)

Mutants obtained from N - methyl -N' - nitro - N - nitrosoguanidine (MNNG) treatment of the W(sub 5) strain or Staphylococcus epidermidis and selected for their increased UV - sensitivity were characterized according to their capacity to repair DNA damage...

H. C. Rocha Guillobel

1985-01-01

407

AVALIAÇÃO E APLICAÇÃO DOS RESULTADOS DE JAR-TEST NO SISTEMA FLOCO DECANTADOR DE ALTA TAXA EVALUATION AND APPLICATION OF THE JAR-TEST RESULTS IN THE HIGH RATE SETTLER FLOCCULATOR SYSTEM  

Microsoft Academic Search

The work go by to investigate advances in the water treatment supply at Sludge Blanket Flocculator System (SFML), therefore is verified that the traditional superficial water treatment plant demand many operational contingent. Objectifying thus, the SFML optmization, onwards the work of the studies at Jar-Test on hydraulical correlations, based on the gradient of velocity with a SFML pilot scale bulded

T. L. Cavazzana; T. Matsumoto

408

Caracterizacao dos beach rocks do litoral sul de Pernambuco com base em evidencias petrograficas e isotopicas. (Beach rocks characterization from the southern coast of Pernambuco state based on petrography and isotopic evidences).  

National Technical Information Service (NTIS)

The study is restricted to the occurence of three lines of beachrocks located between the Maracaipe river and Sirinhaem river, southern coast of Pernambuco state. The mineralogy and petrography, made it possible the characterization of three types of ceme...

H. M. B. Assis R. F. Amaral V. A. V. Manso

1990-01-01

409

Analysis of stable isotopes and radioisotopes to determine impacts of Canal lining on groundwater flows and chemical composition of springs and wells at the Dos Palmas Preserve and vicinity, Salton Sea, California  

NASA Astrophysics Data System (ADS)

Water from the Colorado River has been diverted to the Coachella Valley in Riverside County, California through both lined and unlined sections of the Coachella Canal since 1949. A portion of the canal that was unlined previous to 2006 contributed to a significant increase in flow in springs and wells located in its downgradient path. In December 2006, a project to line the entire canal was completed. Prior to the completion of the lining, samples were collected from several springs and well locations downgradient from the Coachella Canal to assess their geochemical and isotopic signatures for comparison to native and groundwater sources. Three distinct groups of water were identified based on analysis of stable isotopes. One group consisted of nearly pure canal water with ?18O ranging from -11.3 to -11.7 and ?D ranging from -84 to -95. A second group consisted of nearly pure native groundwater with ?18O ranging from -7.3 to -8.7 and ?D ranging from -59.5 to -71. A third group consisted of various mixtures of canal and native groundwater with ?18O ranging from -8.7 to -11.1 and ?D ranging from -80 to -91. Radioisotopes were also analyzed in canal water and groundwater. Canal water contained about 6.0 Tritium Units (TU) and about 90 percent modern carbon (PMC). Groundwater at and near discharge springs showing nearly a canal water stable isotope signature had nearly the same radioisotope signature as canal water, suggesting a short groundwater residence time during transit from the canal to the springs. Groundwater at and near discharge springs showing a native groundwater signature had no measurable tritium and less than 10 PMC, indicating a relatively old water. Leakage from the Canal has created an extensive series of wetlands and wetland habitat, and there has been some concern that lining the canal with concrete will cause these habitats to be lost. Accordingly, samples were collected again from several of the downgradient wells and springs in August 2008 after lining of the Canal was completed, and isotope analysis was used to monitor how this has affected the flow and composition of the water. These samples nearly all had ?18O values ranging from -11.2 to -11.9 and ?D values ranging between -91 and -96, which correlates with the composition of the nearly pure canal water. This indicates that the canal lining has not yet had any noticeable effect yet on the isotopic composition of the flow in downgradient springs and wells. Continued monitoring of the canal and springs for stable isotopes and radioisotopes will be carried out in the future to determine impacts of canal lining on groundwater flows and chemical composition.

Erdelyi, N. T.; Hibbs, B. J.

2009-12-01

410

Estudo dos parametros de processo da reducao do tricarbonato de amonio e uranilo a dioxido de uranio em forno de leito fluidizado. (Study of process parameters for reducing ammonium uranyl carbonate to uranium dioxide in fluidized bed furnace).  

National Technical Information Service (NTIS)

This work consists of studying the process parameters of AUC (ammonium uranyl carbonate) to UO(sub 2) (uranium dioxide) reduction, with good physical and chemical characteristics, in fluidized bed. Initially, it was performed UO(sub 2) cold fluidization e...

C. B. Leitao Junior

1992-01-01

411

Sensibilidade a antimicrobianos de bactérias isoladas do trato respiratório de pacientes com infecções respiratórias adquiridas na comunidade: resultados brasileiros do Programa SENTRY de Vigilância de Resistência a Antimicrobianos dos anos de 1997 e 1998  

Microsoft Academic Search

O tratamento da pneumonia adquirida na comunidade (PAC) é habitualmente empírico e o uso de antimicrobianos é baseado em estudos de vigilância. O programa SENTRY foi desenhado para monitorar a resistência a antimicrobianos através de uma rede internacional de laboratórios. Três centros no Brasil participaram do Programa SENTRY em 1997 e em 1998. Métodos: Um total de 344 isolados bacterianos

HÉLIO S. SADER; ANA C. GALES; ADRIANA O. REIS; CASSIA ZOCCOLI; JORGE SAMPAIO; RONALD N. JONES

2001-01-01

412

The politicisation of traditional Polish Jewry: Orthodox German rabbis and the founding of Agudas Ho?Ortodoksim and Dos yidishe vort in Gouvernement?General Warsaw, 1916–18  

Microsoft Academic Search

In 1916, in the midst of the First World War, Orthodox German rabbis Dr Emanuel Carlebach and Dr Pinchas Kohn played a crucial role in founding and developing the organisation of an Orthodox party in Poland named Agudas Ho?Ortodoksim. These attempts to politicize traditional Polish Jewry were opposed by a significant part of Polish Jewry. While some circles of traditional

Tobias Grill

2009-01-01

413

Impact of plasmatic lipids in glycemic control and its influence in the cardiometabolic risk in morbidly obese subjects Impacto dos lipídios plasmáticos no controle glicêmico e sua influência no risco cardiometabólico em pacientes obesos mórbidos  

Microsoft Academic Search

Objectives: To evaluate whether biochemical parameters are associated with a good glycemic control and to identify the occurrence of cardiometabolic risk variables. Material and methods: One hundred forty Brazilians were evaluated. The subjects were characterized with regard to glycemic control as good, fair and poor and were divided into tertiles by TG and HbA 1c . We use the ROC

Ary Serpa Neto; Felipe Martin; Bianco Rossi; Rodrigo Dal; Moro Amarante; Nara Alves Buriti; Marçal Rossi

2009-01-01

414

The influence of joint mobilization on tendinopathy of the biceps brachii and supraspinatus muscles A influência da mobilização articular nas tendinopatias dos músculos bíceps braquial e supra-espinal  

Microsoft Academic Search

The most common causes of shoulder pain are related to degeneration of the tendons of the rotator cuff muscles. Objective: To investigate the influence of joint mobilization by means of accessory movements of the shoulder during the early rehabilitation of 14 patients with chronic tendinopathy of the supraspinatus and\\/or biceps brachii muscles. Methods: Two treatment protocols were compared: application of

Barbosa RI; Goes R; Mazzer N; Fonseca MCR

415

Comparacoes dos efeitos fisiologicos e geneticos causados por radiacao gama e azida sodica em dois genotipos de arroz (Oryza sativa, L.). (Comparison of physiological and genetic effects of gamma radiation and sodium azide on two rice (Oryza sativa, L.) genotypes).  

National Technical Information Service (NTIS)

The sensitivity of both genotypes (Oryzica 1 and Strain 30036) to gamma rays and sodium azide is studied. Doses of gamma-rays and concentrations of sodium azide were chosen so as to produce around 20%-25% height reduction in these genotypes. Emergence, su...

A. L. A. Faracco

1990-01-01

416

DIMED 86: Discurso dos Media e Ensino a Distancia = Discours des Media et Enseignement a Distance = Media Speech and Distance Teaching. Papers Presented at a Seminar (21st, Algarve, Portugal, March 10-15, 1986).  

ERIC Educational Resources Information Center

Presentations at this seminar on distance education focused on the different types of speech in multimedia presentations which contribute to the elaboration (simulated or substituted) of a situation involving different relationships. In addition to opening and closing remarks by Marcel de Greve and a final report by the Scientific Committee of…

Coelho, Maria Eduarda Leal

417

Perfil Demográfico dos Pacientes Atendidos no Centro de Controle da Dor Orofacial da Faculdade de Odontologia de Pernambuco Demographic Profile of Patients Attended at the Orofacial Pain Control Center of the Dental School of the University of Pernambuco  

Microsoft Academic Search

Objective: To describe the profile of patients who were referred to the Orofacial Pain Control Center - CCDO of the Dental School of the University of Pernambuco - FOP, in the period from January 2006 to August 2007 in relation to the demographic variables. Methodology: This is a descriptive study that used data from the CCDO database. The sample comprised

Paulo Henrique; Wanderley Guimarães; Arnaldo de França; Caldas Júnior; Maurício Kosminsky; João Marcílio; Coelho Netto; Lins Aroucha

418

Estimativa da Idade em Crianças Baseada nos Estágios de Mineralização dos Dentes Permanentes, com Finalidade Odontolegal Age Estimation in Children Based Upon Permanent Teeth Mineralization Degree, with a Forensic Dentistry Scope  

Microsoft Academic Search

The estimation of age in children is a legal dentistry examination that seeks to offer technical information to civil, criminal and labor courts. Such a procedure is justified due to the great number of Brazilian children without formal register or identification of any kind, and, consequently, without defined age. Such information is extremely important to determine individual responsibility in civil

Andréa Cunha; Santos Gonçalves; José Leopoldo Ferreira Antunes

419

Particao de Fluxos de Calor Sensivel E de Calor Latente Acima DA Floresta Amazonica de Terra Firme (Metodo DOS Gradientes) (A Partition of Sensible and Latent Heat Fluxes Above the Terra Firma Area in the Amazon Forest (Gradient Method)).  

National Technical Information Service (NTIS)

A partition of net radiation to sensible and latent heat fluxes above the Amazon Forest canopy is studied. The observational site (2 degrees 57 minutes S, 59 degrees W) of the Terra firma area in the Amazon forest is near Manaus, AM. The Bowen ratio value...

L. Deanedeabreusa A. O. Manzi Y. Viswanadham

1986-01-01

420

Alfabetização e reabilitação dos distúrbios de leitura\\/escrita por metodologia fono-vísuo-articulatória*** Alphabetization and rehabilitation of reading\\/writing disorders through a phonetic-visual-articulatory method  

Microsoft Academic Search

Background: Alphabetization and rehabilitation of reading\\/writi ng disorders through a phonetic-visua l- articulatory method (Método das Boquinhas - Jardini, 1997). This methodology combines neuropsychological inputs, such as sounds\\/phonemes, letters\\/graphemes to the visual representation of mouth position\\/articulemes. Aim: to alphabetize and\\/or rehabilitate children who presented reading\\/writing disorders, of varied etiologies, with consistent short-term results, in a combined intervention with a speech-language

Renata Savastano; Ribeiro Jardini; Patrícia Thimóteo de Souza

421

Universidad de Puerto Rico Facultad de Educación Recinto de Río Piedras Centro de Investigaciones Educativas Cuaderno de Investigación en la Educación Num. 17, mayo 2002 LAS EDUCADORAS Y SUS METAFORAS EDUCATIVAS: DOS INVESTIGADORES EN ACCION  

Microsoft Academic Search

This article discuss two research-in-action projects that collect and analyze the educational metaphors of two groups of teachers engaged in the reflection of their own educational visions and practices. Both studies were qualitative in nature and the author was a participant researcher. Audiotapes, field notes, minutes and the participants' written reflections, documented a diversity of original metaphors produced in conversation

Angeles Molina Iturrondo

422

Health of native riparian vegetation and its relation to hydrologic conditions along the Mojave River, southern California  

USGS Publications Warehouse

The health of native riparian vegetation and its relation to hydrologic conditions were studied along the Mojave River mainly during the growing seasons of 1997 and 1998. The study concentrated on cottonwood?willow woodlands (predominantly Populus fremontii and Salix gooddingii) and mesquite bosques (predominantly Prosopis glandulosa). Tree-growth characteristics were measured at 16 cottonwood?willow woodland sites and at 3 mesquite bosque sites. Density of live and dead trees, tree diameter and height, canopy density, live-crown volume, leaf-water potential, leaf-area index, mortality, and reproduction were measured or noted at each site. The sites included healthy and reproducing woodlands and bosques, stressed woodlands and bosques with no reproduction, and woodlands and bosques with high mortality. Tree roots were studied at seven sites to determine the vertical distribution of the root system and their relation to the water table at healthy, stressed, and high-mortality cottonwood?willow woodlands. In the six trenches that were dug for this study in May 1997, no cottonwood roots were observed that reached the water table. The root systems of healthy trees typically ended 1 to 2 feet above the water table. At sites with high mortality, the main root mass was commonly 7 to 8 feet above the water table. Water-table depth was monitored at each of the study sites. In addition, volumetric soil moisture and soil-water potential were monitored at varying depths at three cottonwood?willow woodland study sites and at two mesquite bosque sites. Ground, soil, river, lake, and plant (xylem sap) water were analyzed for concentrations of stable hydrogen and oxygen isotopes to determine the source of water used by the trees. On the basis of the root-distribution, soil- and leaf-water potential, and isotope data, it was concluded that cottonwood, willow, and mesquite trees mainly rely on ground water for their perennial sustained supply of water. The trees mainly utilize ground water that has moved upward from the water table into the capillary fringe and into unsaturated soil nearer to land surface. Most precipitation (average is 4 to 6 inches per year) is lost by evaporation and by transpiration of shallow-rooted xeric plants, and very little reaches the root zone of trees along the Mojave River. Water-table depth had no strong correlation to many individual tree-growth characteristics, such as density, diameter, height, and live-crown volume. However, leaf-area index (corrected for stem area) of both healthy and stressed cottonwood?willow woodlands had a highly significant statistical relation to water-table depth, and a curvilinear regression model was defined. As in cottonwood?willow woodlands, leaf-area index of mesquite bosques also decreased with increased water-table depth. However, because of the small number of sites, no significant statistical relation could be defined for mesquite bosques. Because it can be accurately measured repeatedly at the same locations, leaf-area index (corrected for stem area) is recommended as the primary growth characteristic that should be monitored. Future vegetation changes along the Mojave River can be quantified using the sites established for this study. Mortality was as high as 39 percent in healthy cottonwood?willow woodlands, but mortality of 50 to 100 percent was common where water-table depth was greater than about 7 feet or in areas where permanent water-table declines greater than about 5 feet had occurred. At a healthy mesquite bosque where the water-table depth ranged from about 8 to 11 feet, mortality was about 20 percent. Where the water table had been lowered an additional 10 to 25 feet by pumping, mortality of the mesquite was extremely high (80 to 99 percent). On the basis of observations of plant reproduction, it was concluded that established cottonwood?willow woodlands probably will reproduce, mainly by root sprouting of mature trees, if the water-t

Lines, Gregory C.

1999-01-01

423

Estudio de Evolución de los Núcleos Activos de Galaxias y QSOs: II. Búsqueda de Supernovas en Galaxias Pr'oximas con AGNs y Starburst  

NASA Astrophysics Data System (ADS)

Several lines of observational evidences suggesting that supernovae and hypernovae events play a main role in evolution of galaxies, AGNs and QSOs. In order to search more detailed information, we have started a study and detection of supernovae and hypernovae in the nuclei of nearby active galaxies obtaining high-resolution spectra and images in the standard UBVRI filters mainly from CASLEO, Bosque Alegre and data from archive of HST, ESO and La Palma observatories. In this paper we present the first preliminary results obtained in this program. FULL TEXT IN SPANISH

Merlo, D.; Lípari, S.; Moyano, M.

424

Use of IPA to demonstrate loss of forest interior birds from isolated woodlots  

USGS Publications Warehouse

'Empleo de indices puntuales de abundancia (IPA) para demostrar la perdida de aves forestales en bosques aislados'. En Maryland, E.U., se seleccionaron bloques boscosos de diferente superficie, divididos en seis clase de tamano (2,8-6 ha, 7-14, 20-30, 34-80, 105-1300, mayores de 4000 ha). En estas ?islas' forestales fue programado un conjunto de muestreos puntuales con estas caracteristicas: 1) Cada punto se visito tres veces. 2) En cada visita se hicieron cuatro censos consecutivos de 5 minutos de duracion, empleando diferentes simbolos para machos cantores, adultos no cantores, aves en vuelo y aves inmaduras. 3) Los conteos se hicieron en tres epocas: final de Mayo, mitad de Junio y final de Junio. 4) Se dividio el tiempo de censo en tres priodos horarios: 5,15-6,30 ; 6,30-8; 8-9,30 hrs. 5) Los puntos se agruparon en co juntos de 4 a 9, considerando que un conjunto es el nlimero que un observador puede cubrir por manana. 6) La vegetacion fue descrita exhaustivamente en cuanto composicion y fisionomla. El principal objetivo que se busca consiste en conocer los requisitos areales de ciertas especies de bosque muy sensibles a la fragmentacion del habitat. Puede observarse (Figura 1) que una serie de migrantes de largo alcance se asientan en relacion con el aumento de la superficie del rodal arbo1ado, sabre todo en macizos de 4.000 o mas hectareas. Sin embargo, las especies sedentarias (Fig. 2) tienen pauta de presencia irregular en funcion del area, forestal, con tendencia a presentarse menos en los bosques mas extensos, Dryocopus pileatus, por excepcion, reacciona negativamente al pequeno tamano de la parcela arbolado, prefiriendo bosques grandes. Parecida respuesta da tambien Sitta carolinensis. Aunque se sabe poco de las exigencias areales de las aves forestales americanas, el metodo de los IPA resulta muy adecuado para esta clase de investigacion de tanto interes en gestion ambiental, posibilitando colectar gran cantidad de datos comparables en un periodo de tiempo muy corto.

Robbins, C.S.; Boone, D.D.

1983-01-01

425

Obtención de la curva de luz en la ocultación de 35 Sgr por Júpiter el 6 de marzo de 1996  

NASA Astrophysics Data System (ADS)

La ocultación de la estrella de quinta magnitud 35 Sgr por Júpiter, se produjo el 6 de Marzo de 1996 a las 13 hs. TU. El objetivo era medir el cambio del flujo de la estrella en el ingreso y egreso por el limbo del planeta. Con estos datos se pueden determinar parámetros físicos del planeta (radio, eccentricidad) y de su atmósfera (escala de altura, temperatura, densidad, presión) Para lograr ésto se programó la cámara CCD TH 7896 1024 x 1025 instalada en el telescopio de 1.54 m de Bosque Alegre con el objetivo de lograr 2 imágenes por segundo. De esta forma se obtuvieron 2100 imágenes de la inmersión y otras tantas de la emersión. Hubo que tener grandes precauciones para evitar la saturación del CCD ya que la observación se realizó de día. En este momento las imágenes se encuentran en el Department of Planetary Sciences, Lunar and Planetary Laboratory, University of Arizona, para su reducción.

Paolantonio, S.; Duffard, R.; Carranza, G.

426

Curva de rotación de la Galaxia Eso 321-25  

NASA Astrophysics Data System (ADS)

Se presenta la curva de rotación de esta galaxia, generada a partir de espectros obtenidos con el Espectrógrafo Multifunción del telescopio de 1.54 m de Bosque Alegre. El análisis de las curvas de velocidad radial obtenidas muestra que el núcleo no coincide con el centro de simetría de las mismas, lo que es consistente con el aspecto morfológico exhibido por la galaxia en imágenes de banda ancha. En estas últimas, el núcleo muestra una estructura peculiar y no coincidiría con el centro geométrico del disco aparente. Los flujos relativos de líneas (H? /[NII]? 6583 y [SII]? 6731/? 6716) indicarían niveles de excitación y densidad electrónica normales en regiones HII, aún en la zona nuclear. Este trabajo forma parte de un programa de estudio de cinemática, excitación y densidad electrónica del gas ionizado en galaxias peculiares del Atlas de Galaxias Australes de Sérsic.

Díaz, R.; Carranza, G.; Ahumada, J.; Arreguine, V.

427

Comparative age and growth of common snook Centropomus undecimalis (Pisces: Centropomidae) from coastal and riverine areas in Southern Mexico.  

PubMed

Common snook Centropomus unidecimalis is an important commercial and fishery species in Southern Mexico, however the high exploitation rates have resulted in a strong reduction of its abundances. Since, the information about its population structure is scarce, the objective of the present research was to determine and compare the age structure in four important fishery sites. For this, age and growth of common snook were determined from specimens collected monthly, from July 2006 to March 2008, from two coastal (Barra Bosque and Barra San Pedro) and two riverine (San Pedro and Tres Brazos) commercial fishery sites in Tabasco, Mexico. Age was determined using sectioned saggitae otoliths and data analyzed by von Bertalanffy and Levenberg-Marquardt among others. Estimated ages ranged from 2 to 17 years. Monthly patterns of marginal increment formation and the percentage of otoliths with opaque rings on the outer edge demonstrated that a single annulus was formed each year. The von Bertalanffy parameters were calculated for males and females using linear adjustment and the non-linear method of Levenberg-Marquardt. The von Bertalanffy growth equations were FLt = 109.21(1-e-0.2(t+0.57)) for Barra Bosque, FLt = 94.56(1-e-027(t+0.485)) for Barra San Pedro, FLt = 97.15(1-e 0.17(t + 1.32)) for San Pedro and FLt = 83.77(1-e-026(t + 0.49)) for Tres Brazos. According to (Hotelling's T2, p < 0.05) test growth was significantly greater for females than for males. Based on the Chen test, von Bertalanffy growth curves were different among the study sites (RSS, p < 0.05). Based on the observed differences in growth parameters among sampling sites (coastal and riverine environments) future research need to be conducted on migration and population genetics, in order to delineate the stock structure of this population and support management programs. PMID:23885591

Perera-Garcia, Martha A; Mendoza-Carranza, Manuel; Contreras-Sánchez, Wilfrido; Ferrara, Allyse; Huerta-Ortiz, Maricela; Hernández-Gómez, Raúl E

2013-06-01

428

Two new protist species, Trypanoplasma ojedae sp. n. (Mastigophora: Kinetoplastida) and Trichodina lascrucensis sp. n. (Ciliophora: Peritrichida) in a blenniid fish, Scartichthys viridis, from the coast of Chile Dos nuevas especies de protista: Trypanoplasma ojedae sp. n. (Mastigophora: Kinetoplastida) y Trichodina lascrucensis sp. n. (Ciliophora: Peritrichida) en un pez blénido Scartichthys viridis, de la costa de Chile  

Microsoft Academic Search

Two new protistan species were observed in a blenniid fish, Scartichthys viridis, inhabiting tide pools at Las Cruces, central Chile. Trypanoplasma ojedae sp. n. (Mastigophora: Kinetoplastida) in the blood is characterized by its small size (29.8 ± 5.0 x 5.1 +1.2 ?m), short anterior flagellum (4.9 ± 0.6 ?m), anterior located kinetoplast (2.4 ± 0.2) and a prominent undulating membrane.

Rasul A. Khan; Freddy Díaz; Mario George-Nascimento

2008-01-01

429

Determinação dos diagnósticos de depressão, tentativa de suicídio, gravidez, vírus da imunodeficiência humana (HIV) e doenças sexualmente transmissíveis (DST) em adolescentes e adultos jovens Determination of the diagnoses of depression, suicide attempts, pregnancy, human immunodefficiency virus (HIV), and sexually transmitted diseases (STDs) in adolescents and young adults  

Microsoft Academic Search

The purpose of this work was to determine the frequency of diagnoses of depression, suicide attempts, Sexually Transmitted Diseases (STDs), Human Immunodefficiency Virus (HIV) and pregnancy, in data collected from 2523 medical records of adolescents between the ages of 10 to 16 years old, and 17 to 25 years old, attended at University Hospital (University Hospital \\/ State University of

Sandra Odebrecht; Vargas Nunes; Rosemarie Elizabeth de Abreu; Ana Lúcia; Mariane Vargas; Alves Nunes; Renata Merli Franco; Luisa Raizer Barbosa

430

Artigo Original Avaliação da concentração de alfa 1-antitripsina e da presença dos alelos S e Z em uma população de indivíduos sintomáticos respiratórios crônicos* Determination of alpha 1-antitrypsin levels and of the presence of S and Z alleles in a population of patients with chronic respiratory symptoms  

Microsoft Academic Search

Objective: To determine the levels of alpha-1 antitrypsin (AAT) and the presence of S and Z alleles in patients with chronic respiratory symptoms. Methods: Patients with chronic cough and dyspnea were submitted to clinical evaluation, pulmonary function tests, high- resolution computed tomography, nephelometric determination of AAT and determination of S and Z alleles by polymerase chain reaction. Smoking and AAT

Heliane Guerra Serra; Carmen Sílvia Bertuzzo; Mônica Corso Pereira; Cláudio Lúcio Rossi; Walter Pinto Júnior; Ilma Aparecida Paschoal

2008-01-01

431

Resistência adesiva à dentina: influência da aplicação dos laseRs de eR:YaG e nd:YaG associada ao condicionamento ácido Dentin Bon D Strenght: er:YA g AnD nD:YAg Applic Ation influence ASSoci Ate D to etching  

Microsoft Academic Search

Introduction: Adhesive procedures have intensely been developed, offering high values of adhesive strength to dental composites. However, other technologies, as the lasers, have been showing effectiveness in the preparation and\\/or modification of the dental surface, previously to the application of adhesive systems. The purpose of this study is to evaluate the influence of dentin treatment with Er:YAG and Nd:YAG la

Ballet de Cara Araújo; Karen Cristina; Kazue Yui; Márcia Maciel Menezes; Diego Klee de Vasconcelos; Sérgio Eduardo de; Paiva Gonçalves; Carlos Rocha Gomes Torres

432

In vitro evaluation of the effects of the interaction between irrigating solutions, intracanal medication and Er:YAG laser in dentin permeability of the endodontic system Estudo in vitro dos efeitos da interação de substâncias irrigantes, medicação intracanal e laser Er:YAG na permeabilidade dentinária do sistema endodôntico  

Microsoft Academic Search

The purpose of this study was to evaluate in vitro the effects of different associations between irrigating so- lutions (EDTA-T and citric acid), intracanal medicament (NDP), and Er:YAG laser irradiation on dentin permeability. Fifty-one extracted single-rooted teeth were instrumented and divided into seven groups. Groups GI and GII had final irrigation with a demineralizing solution only (EDTA-T and citric acid,

Denise Pontes Raldi; José Luiz Lage-Marques

433

Frecuencia de Trichinella spiralis en sangre y músculo de equinos sacrifi cados en dos diferentes mataderos, uno de tipo industrial y otro de tipo rural en el Estado de México, México Frequency of Trichinella spiralis in blood and muscles of horses from two slaughter houses (industrial and rural) in the State of Mexico, Mexico  

Microsoft Academic Search

The objective of this study was the evaluation of the frequency of Trichinella spiralis in horse meat that is used for human and animal consumption. A total of 150 horses were sampled, from two private slaughterhouses, one industrial slaughterhouse with some level of technology and the other one rural with less technology. Seventy animals from the fi rst one and

Enedina Jiménez-Cardoso; María de Lourdes Caballero-García; Gabriel Uribe-Gutiérrez; Esmeralda Trejo-Hernández; Francisco Ramón Gay-Jiménez

434

Efecto del uso de dos reinas en la población, peso, producción de miel y rentabilidad de colonias de abejas (Apis mellifera L.) en el altiplano mexicano The effect of using two honey bee (Apis mellifera L.) queens on colony population, honey production, and profitability in the Mexican high plateau  

Microsoft Academic Search

The purpose of this study was to evaluate the effect of a two-queen\\/beehive management system on colony population, honey production, and profitability. Ninety two experimental colonies (46 colonies with one queen and 46 with two queens) were established in the Mexican high plateau region. The following variables were estimated: honey yields, cost per kilogram of honey produced, bee populations, and

Angélica Genoveva; Gris Valle; Ernesto Guzmán-Novoaab; Adriana Correa Benítez; J. Antonio; Zozaya Rubio

435

Efeitos da adição de propilenoglicol ou monensina à silagem de milho sobre a cinética de degradação dos carboidratos e produção cumulativa de gases in vitro (Effects of adding propylene glycol or monensin to corn silage on the degradation kinetics of carbohydrates and in vitro cumulative gas production)  

Microsoft Academic Search

The effects of the additives propylene glycol and\\/or monensin on the degradation of total carbohydrates, pH, and cumulative gas production of corn silage by the semi-automated in vitro gas production technique were evaluated. The treatments were corn silage (CS); CS plus propylene glycol (CS+PG); CS plus monensin (CS+MO), and CS plus propylene glycol and monensin (CS+PG+MO), which were evaluated at

B. N. Faria; R. M. Maurício; A. M. Q. Lana; H. M. Saturnino; S. G. Coelho

436

Poluicao ambiental: aspectos gerais e comparativos da solucao dada pela Florida Power and Light e ELETROPAULO, ao oleo vazado dos transformadores. (Environmental pollution: general and comparative aspects from the solution gave by Florida Power and Light and ELETROPAULO, to the spill oil from the transformer).  

National Technical Information Service (NTIS)

The politics for the environmental protection from ELETROPAULO Electric Company was described, making a parallel between what is been purposed by Florida Power and Light, joined to the American environment control institutes and what has been done by ELET...

P. L. Fraccari

1991-01-01

437

NIVELES DE INMUNOGLOBULINAS (IgM, IgG e IgA) EN SUERO SANGUÍNEO DE BÚFALOS DE AGUA, BAJO DOS SISTEMAS DE AMAMANTAMIENTO DIFERENTES Blood serum Inmunoglobulins levels (IgM, IgG, IgA) in Water Buffaloes under two Different Weaning Systems  

Microsoft Academic Search

Water buffaloes production has increased greatly during the late 90's having the nead of better production systems in this kind of exploitations. There has been a tendency to determine the biological and physiological parameters as well as the nu- tritional condition of these animals. Blood serum Inmunoglobu- lins (IgM, IgG and IgA) levels were measured in 30 samples from two

Oswaldo E. Vale Echeto; José D. Vargas; María A. Vale Oviedo; María G. Oviedo de Vale

438

Influência dos níveis de densitometria mineral óssea na perda óssea alveolar e parâmetros clínicos periodontais em mulheres na pós-menopausa Influence of the bone mineral densitometry's levels in the alveolar bone loss and periodontal clinical parameters in the post menopausal women  

Microsoft Academic Search

Objective: To correlate levels of bone mineral densitometry (BMD) and periodontal clinical parameters, including radiographic alveolar bone loss in postmenopausal wo- men. Methods: This cross-sectional study included 23 postmenopausal women. Their ages ranged from 44 to 61 years-old. BMD of the lumbar vertebra and femur were obtained through the DEXA technique. Periodontal clinical examination (probing depth, clinical attachment level and

DANIELA MARTINS DE SOUZA; Debora Pallos

439

Antifungal Activity of the Essential Oils of Two Verbenaceae: Lantana achyranthifolia and Lippia graveolens of Zapotitlán de las Salinas, Puebla (México) (Actividad antifúngica del aceite esencial de dos Verbenaceae: Lantana achyranthifolia and Lippia graveolens de Zapotitlán de las Salinas, Puebla (México))  

Microsoft Academic Search

The present work documents the antifungal activity of the essentials oils of Lantana achyranthifolia Desf. and Lippia graveolens H.B.K. The essential oils of aerial parts of L. achyranthifolia and L. graveolens were obtained by steam distillation and examined by GC and GC-MS. Antifungal activity of the essentials oils was evaluated towards five fungal strains by the disk-diffusion method. The estimation

Margarita CANALES; Ángel DURAN; Patricia DÁVILA; J. Guillermo ÁVILA; Unidad de Biología

2008-01-01

440

ESTUDO DO MOMENTO Ó TIMO DE REFORMA PARA POVOAMENTOS DE Eucalyptus spp - O CASO DA REDU ÇÃ O DOS CUSTOS STUDY OF THE OPTIMAL TIME FOR REPLACEMENT OF Eucalyptus spp. PLANTATIONS - THE CASE OF COSTS REDUCTION Á lvaro Nogueira de Souza 1 Antônio Donizette de Oliveira 2 José Luiz Pereira de Rezende 2  

Microsoft Academic Search

The objectives of this work were: a) to study the effects of cost reduction on the optimal replacement time of Eucalyptus plantations; b) to determine rotation age, keeping income constant and cost decreasing overtime; c) to verify the efficiency of a mathematical model for modelling technological progress effects; d) to verify which would be the substitution cicle if the income

Engenheiro Florestal

441

Avaliacao da disponibilidade biologica do fosforo dos fosfatos bicalcico, Patos de Minas, Tapira e Finos de Tapira para ovinos pela tecnica de diluicao isotopica. (Evaluation of the availability of phosphorus from dicalcium phosphate and rock phosphates from Patos de Minas, Tapira and Finos de Tapira for sheep, by the isotope dilution technique).  

National Technical Information Service (NTIS)

'In vitro' and 'in vivo' assays were carried out to determine the phosphorus availability from dicalcium phosphate and rock phosphates from Patos de Minas, Tapira and Finos de Tapira. Twenty four male sheep, with 40 kg live weight, were assigned to three ...

D. M. S. Vitti

1989-01-01

442

Avaliação longitudinal da Escola de Postura para dor lombar crônica através da aplicação dos questionários Roland Morris e Short Form Health Survey (SF36) Longitudinal evaluation of Posture School for low back pain by the questionnaires Rolland Morris and Short Form Health Survey (SF36)  

Microsoft Academic Search

The objective of this study was to analyze quantitatively the response of patients with chronic low back pain to treatment at the Back School in DMR-HCFMUSP between October 2001 and July 2004, using the Roland- Morris (RM) and Short Form Health Survey (SF-36) questionnaires. Pain intensity was measured by the visual analogue scale (VAS). The initial sample consisted of 244

Gracinda Rodrigues Tsukimoto; Marcelo Riberto; Carlos Alexandrino de Brito; Linamara Rizzo

443

TECNOLOGIA DO CUIDADO AO PACIENTE RENAL CRÔNICO: ENFOQUE EDUCATIVO-TERAPÊUTICO A PARTIR DAS NECESSIDADES DOS SUJEITOS CARE TECNOLOGY FOR THE CHRONIC RENAL DISEASE PATIENT: EDUCATIONAL THERAPEUTIC FOCUS FROM THE SUBJECT'S NEEDS TECNOLOGÍA DEL CUIDADO AL PACIENTE RENAL CRÓNICO: ENFOQUE EDUCATIVO- TERAPEUTICO A PARTIR DE LAS NECESIDADES DE LOS SUJETOS  

Microsoft Academic Search

The lack in services of hemodialysis which use an educational-therapeutic focus, built from subject participation, alerted us to develop this study. The objectives of this research were to identify learning situations that serve as a basis for practicing health education; to describe the stages of an educational instrument that facilitates health education based on the needs of chronic renal disease

Maria Veraci Oliveira Queiroz; Maria Catarina de Queiroz Dantas; Islane Costa Ramos; Maria Salete Bessa Jorge

444

Perspectivas de Estimativa DOS Balancos Anuais Hidrico E de Carbono Em Ecossistemas Florestais a Partir de Um Modelo Biogeoquimico Florestal Associado a Tecnicas de Sensoriamento Remoto Orbital (Computation of Carbon and Water Cycles in Forest Ecosystems Using a Biogeochemical Model and Remotely Sensed Data).  

National Technical Information Service (NTIS)

This work is intended to test and evaluate how well a regional biogeochemical model is able to represent the major processes of the hydrologic and carbon cycles of forest ecosystems of conifers, growing in three different climatic areas in Brazil. The mod...

M. Deavilachaves

1992-01-01

445

POLIMORFISMO DO MTDNA EM DUAS POPULAÇÕES AFRO-BRASILEIRAS DA AMAZÔNIA: PACOVAL E TROMBETAS. Carvalho, B. M. (PIBIC\\/CNPq) & Ribeiro-dos-Santos, A. K. C. Laboratório de Genética Humana e Médica, Universidade Federal do Pará. andrea@canal13.com.br  

Microsoft Academic Search

Historically, the Amazonian populations present singular processes of formation and expansion. In these processes, three ethnic groups, African, Amerindian and European interacted biological and socially, resulting in an expressive genetical diversity. Through the mtDNA, we investigated variability in two Afro-Brazilian populations of the Amazon region: 92 and 33 individuals from Pacoval-PA (PCV) and Trombetas-PA (TRB), respectively. To analyse the mtDNA,

Kely C. Ribeiro-dos-Santos

446

Prática alimentar no primeiro ano de vida de crianças atendidas pelo Serviço Público de Saúde no Município de Teresina-PI Food practice in the first year of life on children attended by the Public Health Service in the municipal district of Teresina-PI REGILDA SARAIVA DOS  

Microsoft Academic Search

This study was carried out to depict the feeding habits of children assisted by the public health services in the city of Teresina-PI in their first year of life. The data were collected from April to August 2001 in the three biggest infant health centers. During the interview with a nutritionist, a form with the identification data was filled out.

REIS MOREIRA ARAÚJO; DÉBORA SILMARA; SILVA MOURA; ANTÔNIO DA MOTA; BUONGERMINO SOUZA; SOPHIA CORNBLUTH

447

LETTERS TO THE EDITORS: Lightning ball: experiments on creation and hypotheses(comment on "Energy density calculations for ball-lightning-like luminous silicon balls" by G S Paiva, J V Ferreira, C C Bastos, M V P dos Santos, A C Pavão)  

NASA Astrophysics Data System (ADS)

The problems addressed in this paper include estimating: the energy density of luminous silicon balls, the density range of a natural lightning ball, and whether and how the object created and described in the commented paper (Usp. Fiz. Nauk 180 218 (2010) [Phys. Usp. 53 (2) 209 (2010)]) corresponds to the natural phenomenon.

Shabanov, Gennadii D.

2010-05-01

448

AVALIAÇÃO D DOS E EFEITOS D DO T TREINAMENTO E EM C CRIANÇAS FUTEBOLISTAS D DA V VILA O OLÍMPICA D DA M MANGUEIRA EVALUATION O OF T THE E EFFECTS O OF T TRAINING IIN C CHILDREN PRACTICING F FIELD S SOCCER F FROM M MANGUEIRA O OLYMPIC C CENTER  

Microsoft Academic Search

The aim of this study was to evaluate the differences, found after 12 weeks of training, in the development of the physical qualities of two groups of children practicing soccer at Man- gueira Olympic Center, Both groups were in the third stage of biological maturation, and were submitted to two different methodologies, during the stage of basic formation: the traditional

João Bittencourt da Silva; Alan Saraiva; Antonio José da Silva; Estélio Henrique; Martin Dantas

449

Cuidando da criança na Atenção Básica de Saúde: atitudes dos profissionais da saúde * Caring for children in Basic Health Care (BHC): attitudes of health professionals El cuidado de niños en el Cuidado Médico Básico (CMB): actitudes de los profesionales de salud  

Microsoft Academic Search

RESuMo: Na Atenção à Saúde da Criança a atual proposta dirige-se para o contexto da integralidade do cuidado revestindo-se como impor- tante estratégia para o reconhecimento da criança como sujeito de direitos. Resume-se, portanto, no desafio de possibilitar à criança crescer e desenvolver-se com todo o seu potencial. A partir desta perspectiva questionou-se: Que significados os profissionais atribuem às atitudes

Alacoque Lorenzini Erdmann; Francisca Georgina; Macêdo de Sous

450

Estudio de la eficacia antibiótica de un extracto etanólico de Rosmarinus officinalis L. contra Staphylococcus aureus en dos modelos de infección en piel de ratón (Study of the antibiotic efficacy of an ethanolic extract from Rosmarinus officinalis against Staphylococcus aureus in two skin infection models in mice)  

Microsoft Academic Search

In this paper we examined the antibacterial efficacy of an ethanolic extract of Rosmarinus officinalis L. containing a high amount of antioxidant polyphenols against the pathogenic bacteria Staphylococcus aureus in two skin infection models in mice, superficial and subcutaneous. Results obtained showed that the rosemary extract containing 2.3% of polyphenols had bacteriostatic activity against S. aureus on the skin infection.

María V. BARNI; Adriana FONTANALS; Silvia MORENO

451

Resistência à fadiga flexuRal dos sistemas RotatóRios k3 e Race em Razão do uso FlexUR al FatigUe ReSiStanCe OF ROtaR y Sy StemS and k3 RaCe beCaUSe OF the USe  

Microsoft Academic Search

Introduction: The aim of this work was to evaluate the cyclic fatigue resistance of two different nickel-tita - nium rotary systems, k3 (Sybron Endo, EUA) and Endosequence (Brasseler, EUA), based on the number of uses. All rotary files which were selected had their conicity of 0,04, 25mm of length and tip diameter of 25, following ISO standardization. Methods: To reach

Luís César Brisighello; Giulio Gavini; Guilherme Augusto Figueiredo; Danilo Minor Shimabuko

452

CRECIMIENTO DE PLÁNTULAS AP ARTIR DE TRES TAMAÑOS DE SEMILLA DE DOS CULTIVARES DE MAÍZ (ZEA MAYS L.), SEMBRADOS EN ARENA YR EGADOS CON TRES SOLUCIONES OSMÓTICAS DE SACAROSA SEEDLING GROWTH FROM THREE SEED SIZES OF TWO CORN (ZEA MAYS L.) CULTIVARS SOWED IN SAND AND WATERED WITH THREE OSMOTICANT SOLUTIONS OF SUCROSE  

Microsoft Academic Search

Seedling growth was determined from three seed sizes of two corn cultivars evaluated under three drought conditions, in which water tensions were simulated in sand using three osmoticant solutions created with sucrose, these tensions represented the water retention in the soil (0.0, -0.6 and -1.2 MPa) as a consequence of three irrigation frequencies (24, 48 y 72 h) previously studied.

José A. Laynez-Garsaball; Jesús Rafael Méndez Natera; Juliana Mayz-Figueroa

453

Álgebra musical  

Microsoft Academic Search

RESUMO: Desde a mais remota antigüidade já se conhecia a importância dos números como elementos integrantes da natureza dos sons musicais. As relações numéricas entre as freqüências dos tons fundamentais das escalas naturais e temperadas são bem conhecidas. O que se pretende mostrar neste trabalho é a profunda relação que as notas musicais possuem com a teoria dos números. Em

W. M. Pontuschka

2008-01-01

454

The Actualizing and Formative Tendencies: Prioritizing the motivational constructs of the person-centered approach \\/ Die Aktualisierungstendenz und die formative Tendenz: Prioritäten setzen bei den motivationalen Konstrukten des Personzentrierten Ansatzes \\/ Las Tendencias Actualizante y Formativa: Priorizando los constructos motivacionals del enfoque centrado en la persona \\/ Les Tendances Actualisantes et Formatives: Quelle priorité pour les concepts motivationnels de l'approche centrée sur la personne? \\/ Tendência Actualizante e Tendência Formativa: a primazia dos constructos motivacionais na Abordagem Centrada na Pessoa  

Microsoft Academic Search

The article advocates for the equal prioritization of the formative and actualizing tendencies as motivational constructs in the person-centered approach. It describes a rationale, including problems with self-determination, varied identity ideas, and the ever-changing global context. The actualizing tendency roots growth in the maintenance and enhancement of the single human individual while the formative tendency is broader and both subsumes

Jeffrey H. D. Cornelius-White

2007-01-01

455

Financial Audit: The Department of State's Fiscal Year 2004 Management Representation Letter on It's Financial Statements.  

National Technical Information Service (NTIS)

The purpose of this report is to communicate our observations on the Department of State's (DOS) fiscal year 2004 management representation letter. Our objective is to help ensure that future management representation letters submitted by DOS are sufficie...

2005-01-01

456

76 FR 63985 - Notice of Closed Meeting (With Open Session) of the Cultural Property Advisory Committee  

Federal Register 2010, 2011, 2012, 2013

...cultural property request from the Government of the Republic of Bulgaria seeking import restrictions on archaeological and ethnological...regulations.gov and search on docket number DOS-2011-0115 for Bulgaria and on docket number DOS- [[Page 63986

2011-10-14

457

48 CFR 652.239-71 - Security Requirements for Unclassified Information Technology Resources.  

Code of Federal Regulations, 2010 CFR

...ensure that the following banners are displayed on all DOS systems (both public and private...officials. Use of this system constitutes consent to...ensure that the following banner is displayed on all DOS systems that contain Privacy...

2010-10-01

458

48 CFR 652.239-71 - Security Requirements for Unclassified Information Technology Resources.  

Code of Federal Regulations, 2010 CFR

...ensure that the following banners are displayed on all DOS systems (both public and private...officials. Use of this system constitutes consent to...ensure that the following banner is displayed on all DOS systems that contain Privacy...

2009-10-01

459

48 CFR 611.002-70 - Metric system implementation.  

Code of Federal Regulations, 2012 CFR

...establish implementing guidelines pursuant to metric...State's metric conversion guidelines. (b) Applicability...metric equivalents. The physical dimensions, however...1) DOS contracting activities shall implement the...All DOS contracting activities shall use the...

2012-10-01

460

Using Hand-Held Computers When Conducting National Security Background Interviews: Utility Test Results.  

National Technical Information Service (NTIS)

The Defense Personnel Security Research Center (PERSEREC) and the Department of State (DOS) collaborated to test whether background investigators are able and willing to conduct interviews with a tablet computer. Discussions were held with seven DOS inves...

E. L. Lang J. E. Leather J. S. Leggitt

2010-01-01

461

No mundo de hoje é importante estar ALERTA para proteger ...  

Center for Food Safety and Applied Nutrition (CFSAN)

Text Version... and Prevention (Centros para Controlo e Prevenção de Doenças dos EUA) US Department of Agriculture (Departamento de Agricultura dos EUA) More results from www.fda.gov/downloads/food/fooddefense

462

A ENFERMAGEM DIANTE DAS MÃES NA UNIDADE DE TERAPIA INTENSIVA NEONATAL NURSING FACING MOTHERS IN THE NEONATAL INTENSIVE CARE UNIT  

Microsoft Academic Search

RESUMO: RESUMO: RESUMO: RESUMO: RESUMO: Um dos momentos mais críticos no ciclo vital familiar é a chegada dos filhos, quando novos papéis e dinâmicas familiares necessitam ser estabelecidos. A mulher torna-se mãe e a vivência desse processo sob o contexto da prematuridade e dos cuidados intensivos sofre importantes interferên- cias. O presente estudo teve como objetivo apontar aspectos a serem

Monika Wernet; Margareth Ângelo

463

NOÇÕES BÁSICAS DE CROMATOGRAFIA  

Microsoft Academic Search

RESUMO Cromatografia é uma técnica utilizada para a separação dos componentes de uma mistura. A separação cromatográfica é ba- seada na distribuição dos componentes entre uma fase estacioná- ria e uma fase móvel. Esta separação resulta das diferenças de velocidade dos componentes arrastados pela fase móvel devido às diferentes interações com a fase estacionária. Os principais métodos cromatográficos são: cromatografia

Terezinha Bonanho Peres

2002-01-01

464

Availability of ground water on Federal land near the Ak-Chin Indian Reservation, Arizona: a reconnaissance study  

USGS Publications Warehouse

Sufficient ground water to provide about 2.1 million acre-feet in a 25-year period is available for delivery to the Ak-Chin Indian Reservation from Federal land in the Vekol Valley, Waterman Wash area, and Bosque area in south-central Arizona. Withdrawal of 85,000 acre-feet per year as required by the Ak-Chin water-supply act--Public Law 95-328--will greatly deplete the amount of water in storage and may cause land subsidence in the areas. Study concurrent with well-field development will enable design changes to minimize pumping costs , water-level declines, movement of poor-quality water into the well fields, and potential land subsidence and associated earth fissures. Surface and bore-hole geophysical testing, aquifer tests, and the development of simulative mathematical models will accomplish these goals and permit quantitative evaluations of the potential deleterious effects resulting from development of the water supply. (Woodard-USGS)

Wilson, Richard P.

1979-01-01

465

Response of Stream Macroinvertebrate Assemblages to Nutrients Within the Tiered Aquatic Life Use (TALU) Framework.  

NASA Astrophysics Data System (ADS)

The US EPA's Tiered Aquatic Life Use (TALU) conceptual model uses narrative biological attributes to assign water bodies to tiers of biological condition. The model assumes that different types of biological attributes respond to increasing ecosystem degradation in a predictable manner. However, little empirical work has been done to evaluate whether attributes respond to specific types of stressors, such as nutrients, as predicted by the model. Thus, we evaluated the response of macroinvertebrate assemblage attributes to soluble reactive phosphorus (SRP) concentrations along a steep, longitudinal phosphorus gradient in the North Bosque River in central Texas. Consistent with the model, some attributes indicative of high biological integrity (e.g., percent intolerant taxa, percent EPT taxa) decreased with increasing SRP concentration. Similarly, some attribute values associated with poor conditions increased with increasing SRP concentrations. However, taxa richness peaked at intermediate SRP concentrations. Moreover, feeding group attributes, indicators of functional changes, showed no consistent pattern along the gradient. These results suggest that many of the theoretical responses to disturbance predicted by the TALU model may apply to nutrients in streams, but others may need additional scrutiny. They also demonstrate that macroinvertebrate assemblages may be useful in the development of numerical nutrient criteria.

Back, J. A.; King, R. S.

2005-05-01

466

Influence of the allochthonous Pirital Block on the well and surface seismic in the Northern Monagas area, Eastern Venezuela Basin  

SciTech Connect

The Casupal-Bosque area in Northern Monagas is a province characterized by thrust faults due to the post-middle Miocene compressive regime. The most important tectonic element of the area is the Pirital thrust. The presence of this block at the surface, the high velocities (Cretaceous) rocks, the strong fracturing and the high dips cause the poor resolution of the seismic data. This effect occurs across in a north-south zone of approximately four (4) kilometers in the East-West strike direction of the block. In this paper results are presented of experimental seismic lines recorded to improve the seismic image beneath the block. Well seismic data of the area has also been studied. The results obtained from the experimental seismic lines show that, the quality of the data in the prospective level (Naricual Formation) beneath the allochthonous block did not improve substantially, even though a pre-stack time migration technique has been applied. The results on the well seismic data have been more successful after some modeling of the real and synthetic data was done. These results indicate that in complexed structures the well seismic data can not be used as a predictive tool, rather than a complement and definition of the structural interpretation.

Dos Santos, D. (Corpoven S.A., Caracas (Venezuela))

1993-02-01

467

Small-scale hydropower from irrigation canals near Albuquerque, NM. Final report, 1 January 1981-31 December 1981  

SciTech Connect

Although intermittent stream flows restrict hydroelectric potential throughout New Mexico, there exists a possibility for small-scale hydroelectric (SSH) development. One area of current interest involves irrigation canals. Generally the flows in such canals are seasonal with low volume and low power potential. The environmentally sound nature SSH and the proximity of canal sites to irrigation pumping stations make canal SSH a possible source of hydropower for pumps or other remote, small, seasonal electric demands. The Middle Rio Grande Conservancy District system consists of irrigation canals paralleling the Rio Grande from Cochiti Dam to Bosque del Apache, New Mexico. Assessments of engineering and economic feasibility for two demonstration sites meeting institutional, regulatory, environmental, and legal restrictions were carried out. Design parameters, required equipment and its sizing, power plant layout, power production and the plant operating criteria were evaluated. The canal sites were selected on the basis of available flow and head values to demonstrate the different types of SSH layouts and uses of generated power. One of the sites would require the retrofit of the SSH power plant into the existing concrete canal structure and could use the generated power to operate a nearby irrigation pump. At the second site, the unit would be placed on new site construction.

Heggen, R.J.

1982-04-01

468

A Protease-Resistant 61-Residue Prion Peptide Causes Neurodegeneration in Transgenic Mice  

PubMed Central

An abridged prion protein (PrP) molecule of 106 amino acids, designated PrP106, is capable of forming infectious miniprions in transgenic mice (S. Supattapone, P. Bosque, T. Muramoto, H. Wille, C. Aagaard, D. Peretz, H.-O. B. Nguyen, C. Heinrich, M. Torchia, J. Safar, F. E. Cohen, S. J. DeArmond, S. B. Prusiner, and M. Scott, Cell 96:869–878, 1999). We removed additional sequences from PrP106 and identified a 61-residue peptide, designated PrP61, that spontaneously adopted a protease-resistant conformation in neuroblastoma cells. Synthetic PrP61 bearing a carboxy-terminal lipid moiety polymerized into protease-resistant, ?-sheet-enriched amyloid fibrils at a physiological salt concentration. Transgenic mice expressing low levels of PrP61 died spontaneously with ataxia. Neuropathological examination revealed accumulation of protease-resistant PrP61 within neuronal dendrites and cell bodies, apparently causing apoptosis. PrP61 may be a useful model for deciphering the mechanism by which PrP molecules acquire protease resistance and become neurotoxic.

Supattapone, Surachai; Bouzamondo, Essia; Ball, Haydn L.; Wille, Holger; Nguyen, Hoang-Oanh B.; Cohen, Fred E.; DeArmond, Stephen J.; Prusiner, Stanley B.; Scott, Michael

2001-01-01

469

Distributed Denial-of-Service Characterization  

SciTech Connect

Distributed denial of service (DoS) attacks on cyber-resources are complex problems that are difficult to completely define, characterize, and mitigate. We recognize the process-nature of DoS attacks and view them from multiple perspectives. Identification of opportunities for mitigation and further research may result from this attempt to characterize the DoS problem space. We examine DoS attacks from the point of view of (1) a high-level that establishes common terminology and a framework for discussing the DoS process, (2) layers of the communication stack, from attack origination to the victim of the attack, (3) specific network and computer elements, and (4) attack manifestations. We also examine DoS issues associated with wireless communications. Using this collection of views, one begins to see the DoS problem in a holistic way that may lead to improved understanding, new mitigation strategies, and fruitful research.

DRAELOS, TIMOTHY J.; TORGERSON, MARK D.; BERG, MICHAEL J.; CAMPBELL, PHILIP L.; DUGGAN, DAVID P.; VAN LEEUWEN, BRIAN P.; YOUNG, WILLIAM F.; YOUNG, MARY LOUISE

2003-06-01

470

Accurate description of charge transport in organic field effect transistors using an experimentally extracted density of states  

NASA Astrophysics Data System (ADS)

The width and shape of the density of states (DOS) are key parameters to describe the charge transport of organic semiconductors. Here we extract the DOS using scanning Kelvin probe microscopy on a self-assembled monolayer field effect transistor (SAMFET). The semiconductor is only a single monolayer which has allowed extraction of the DOS over a wide energy range, pushing the methodology to its fundamental limit. The measured DOS consists of an exponential distribution of deep states with additional localized states on top. The charge transport has been calculated in a generic variable range-hopping model that allows any DOS as input. We show that with the experimentally extracted DOS an excellent agreement between measured and calculated transfer curves is obtained. This shows that detailed knowledge of the density of states is a prerequisite to consistently describe the transfer characteristics of organic field effect transistors.

Roelofs, W. S. C.; Mathijssen, S. G. J.; Janssen, R. A. J.; de Leeuw, D. M.; Kemerink, M.

2012-02-01

471

Towards Intelligent Fuzzy Agents to Dynamically Control the Resources Allocations for a Network under Denial of Service Attacks  

Microsoft Academic Search

The increase in the number of interconnected networks to the Internet has led to an increase in security threats, such as DoS attacks. The existing network servers, routers' communications protocols, firewalls and Intrusion Detection Systems (IDSs) are not well designed to deal with DoS attacks. An effective solution to DoS attacks must be based on the control of resource allocation

N S ABOUZAKHAR; A GANI; E SANCHEZ; G MANSON; S ALHASHMI

472

Exposing and Eliminating Vulnerabilities to Denial of Service Attacks in Secure Gossip-Based Multicast  

Microsoft Academic Search

We propose a framework and methodology for quantify- ing the effect of denial of service (DoS) attacks on a dis- tributed system. We present a systematic study of the resis- tance of gossip-based multicast protocols to DoS attacks. We show that even distributed and randomized gossip-based protocols, which eliminate single points of failure, do not necessarily eliminate vulnerabilities to DoS

Gal Badishi; Idit Keidar; Amir Sasson

2004-01-01

473

Electronic structure, chemical bonding, and optical properties of ferroelectric and antiferroelectric NaNO2  

Microsoft Academic Search

The electronic-energy band structure, site and angular momentum decomposed density of states (DOS), and charge-density contours for ferroelectric sodium nitrite have been calculated using an accurate full-potential linear muffin-tin orbital method. The calculated total DOS is found to be in good agreement with experimental x-ray-photoemission spectra. From the DOS analysis, as well as charge-density studies, we conclude that the bonding

P. Ravindran; A. Delin; B. Johansson; O. Eriksson; J. M. Wills

1999-01-01

474

Denial of service prevention in satellite networks  

Microsoft Academic Search

Networks integrating satellite shared access, such as DVB-S\\/RCS, are particularly exposed to denial of service (DoS) attacks through which a satellite terminal can maliciously use the Network Control Center (NCC) resources by submitting a high number of bogus requests. Anti-clogging techniques used in terrestrial mesh networks to thwart DoS attacks fall short of solving DoS problems in the case of

M. Onen; R. Molva

2004-01-01

475

Network Capabilities: The Good, the Bad and the Ugly  

Microsoft Academic Search

Network capabilities have been recently proposed as the remedy to denial of service (DoS); the main idea is to establish priority channels that carry authorized trafc, shielding this trafc from unauthorized trafc oods. It has been claimed that capability-based solutions can pre- vent DoS, while requiring insignicant mechanism or state in the network, unlike any other DoS solution. In this

Katerina Argyraki; David R. Cheriton

476

Denial of service resilience in ad hoc networks  

Microsoft Academic Search

Significant progress has been made towards making ad hoc networks secure and DoS resilient. However, little attention has been focused on quantifying DoS resilience: Do ad hoc networks have sufficiently redundant paths and counter-DoS mechanisms to make DoS attacks largely ineffective? Or are there attack and system factors that can lead to devastating effects? In this paper, we design and

Imad Aad; Jean-Pierre Hubaux; Edward W. Knightly

2004-01-01

477

Impact of denial of service attacks on ad hoc networks  

Microsoft Academic Search

Significant progress has been made towards making ad hoc networks secure and DoS resilient. How- ever, little attention has been focused on quantifying DoS resilience: Do ad hoc networks have sufficiently redundant paths and counter-DoS mechanisms to make DoS attacks largely ineffective? Or are there attack and system factors that can lead to devastating effects? In this paper, we design

Imad Aad; Jean-pierre Hubaux; Edward W. Knightly

2008-01-01

478

Lattice dynamics of three-dimensional quasi-crystals  

Microsoft Academic Search

The density of states (DOS) is calculated for a three-dimensional Penrose tiling with icosahedral symmetry by taking two different approximations, the cluster approximation and the commensurate approximation. It is compared with the DOS for a model of the icosahedral phase of Al-Mn-Si (i-AlMnSi) in the cluster approximation. At low frequencies the DOS contains pseudo-gaps. The spectrum possesses scaling properties. The

J. Los; T. Janssen

1990-01-01

479

Convolution effects in superconductive tunneling.  

PubMed

The quasiparticle density of states (DOS) of superconductors can be obtained from tunneling spectroscopy. When the normal-state differential conductance varies on the voltage scale comparable to that of strong-coupling effects, the standard normalization rule to extract the DOS is invalid, and the DOS is related to the measured data via an integral equation. These effects are exemplified by studying the geometry effect on the DOS for simple BCS superconductors. We apply these considerations to UPd2Al3 tunnel data where the apparent strong-coupling effects, previously deduced by use of the normalization rule, can be quantitatively attributed to convolution effects. PMID:18233552

Geerk, J; V Löhneysen, H

2007-12-19

480

Grainsize, Mass per day and Morphological Characteristics of Tephra from Arenal Volcano, Costa Rica: 1987-2000.  

NASA Astrophysics Data System (ADS)

We studied tephra samples from collectors located at various locations on the flanks of Arenal Volcano. They correspond to monthly samples collected between 1987-2000. In addition, we studied samples collected at two sites from the fallout events that occurred July 9, 1987 and February 3, 1996. Glass fragments of the most abundant fractions were examined with a scanning electron microscope to determine the range in clast morphologies and allow discussion on the nature of the fragmentation mechanisms involved in their generation. Tephra fall from single explosions, cumulative fallout was subject to grainsize analyses. Explosive activity clearly diminished in 1997 and remained low between 1998 and 2000. Isomass maps were calculated for a number of months across the reporting period. Assuming eruption frequencies of 20 - 40 explosions day -1 for the majority of the reporting period, a mean explosion volume (fraction < 2 mm only) can be estimated. This data yield total tephra masses of between 1 and 10 m3 per explosion. These volumes do not, however, consider the coarser tephra fraction, including ballistics. The grain size of the cumulative monthly tephra varies relative to the location within the dispersal axis. Generally more distal and peripheral samples (those off-axis) are finer grained and more poorly sorted than those along axis. Samples of monthly tephra collected 2 km west of the vent (Caseta C) are consistently coarser grained and better sorted than those from 2.9 km west-south west (Salida del Bosque) of the vent. In addition 85% of the samples from the Salida del Bosque site show a subtle bimodality with one strong mode at +2 phi and another much weaker mode at +6phi. Less than 30% of the samples from Caseta C show such bimodality. Tephra, both from cumulative monthly samples and single explosions, was separated into crystals, lithics (altered grains) and glassy fractions and fragments which were composed of approximately equal proportions of crystals and glass. The scanning electron microscopy allowed subdivision of the glassy fraction into one of four types: vesicular, fluidal, blocky and clasts with both blocky and fluidal portions. The results showed that the blocky type form the most abundant clast morphology forming between 50 and 71%. Part fluidal and part blocky types form between 21 and 40%. Wholly fluidal types form up to 6% and vesicular up to 5 %. Proportions of different clast types for single explosions were similar for cumulative monthly samples. The different clast morphologies are thought to represent the different nature of the state of the magma on fragmentation. Therefore vesicular clasts represent vesicular, degassing magma. Fluidal clasts represent wholly molten fragments of magma. Blocky clasts are interpreted as being cool, rigid parts of the magma that had degassed and part blocky- part fluidal represent fluidal, molten magma that was fragmented as the clast cooled during eruption. This would indicate that the fragmentation process was sequential occurring over tens of seconds and not instantaneous.

Duarte, E. A.; Cole, P.; Fernandez, E. A.; Saenz, W.; Malavassi, E.

2004-12-01

481

Lichen conservation in heavily managed boreal forests.  

PubMed

Lichens are an important component of the boreal forest, where they are long lived, tend to accumulate in older stands, and are a major food source for the threatened woodland caribou (Rangifer tarandus caribou). To be fully sustainable, silvicultural practices in the boreal forest must include the conservation of ecological integrity. Dominant forest management practices, however, have short-term negative effects on lichen diversity, particularly the application of herbicides. To better understand the long-term effects of forest management, we examined lichen regeneration in 35 mixed black spruce (Picea mariana) and jack pine (Pinus banksiana) forest stands across northern Ontario to determine recovery following logging and postharvest silvicultural practices. Our forest stands were 25-40 years old and had undergone 3 common sivilcultural treatments that included harvested and planted; harvested, planted, and treated with N-[phosphonomethyl] glycine (glyphosate); and harvested, planted, and treated with 2,4-dichlorophenoxyacetic acid (2,4-D). Forest stands with herbicide treatments had lower lichen biomass and higher beta and gamma diversity than planted stands that were not treated chemically or control stands. In northwestern Ontario, planted stands that were not treated chemically had significantly greater (p < 0.05) alpha diversity than stands treated with herbicides or control stands. Our results show that common silvicultural practices do not emulate natural disturbances caused by wildfires in the boreal forest for the lichen community. We suggest a reduction in the amount of chemical application be considered in areas where lichen biomass is likely to be high and where the recovery of woodland caribou is an objective. Conservación de Líquenes en Bosques Boreales Manejados Intensivamente. PMID:23869621

McMullin, Richard Troy; Thompson, Ian D; Newmaster, Steven G

2013-07-21

482

Assessment of manure phosphorus export through turfgrass sod production in Erath County, Texas.  

PubMed

A best management practice (BMP) for exporting manure phosphorus (P) in turfgrass sod from the North Bosque River (NBR) watershed in central Texas was assessed using a geographic information system (GIS). The NBR watershed has a mandate to reduce the total annual P load to the NBR by 50% as a result of total maximum daily load regulation. Since dairy waste applications to fields are identified as the major nonpoint source of P to the river, innovative BMPs, such as export of manure P in turfgrass, will be needed to achieve the 50% reduction. However, methods are needed to evaluate the feasibility of these innovative management practices prior to their implementation. A geospatial database of suitable turfgrass production sites was developed for Erath County using GIS. Erath County largely encompasses the upper portion of the NBR watershed. Information from field experiments, production practices, and ground-truthing was used to search, analyze, and verify a geospatial database developed from national and regional sources. The integration and analyses of large databases supports the search by turf producers for sites suitable for turfgrass sod production in Erath County. In addition, GIS enables researchers and regulators to estimate manure P exports and reduced P loading due to implementation of the manure export BMP on a county scale. Under optimal conditions 198,000 kg manure P yr(-1) could be used and 114,840 kg manure P yr(-1) exported from the NBR watershed through implementation of a system using dairy manure to produce turfgrass sod. This is the equivalent of the manure P applied from 10,032 dairy cows yr(-1) and exported from 5808 dairy cows yr(-1). Application of GIS to large-scale planning and decision-making transcends traditional field-scale applications in precision agriculture. PMID:15380316

Munster, C L; Hanzlik, J E; Vietor, D M; White, R H; McFarland, A

2004-11-01

483

Application of a geomorphic and temporal perspective to wetland management in North America  

USGS Publications Warehouse

The failure of managed wetlands to provide a broad suite of ecosystem services (e.g., carbon storage, wildlife habitat, ground-water recharge, storm-water retention) valuable to society is primarily the result of a lack of consideration of ecosystem processes that maintain productive wetland ecosystems or physical and social forces that restrict a manager's ability to apply actions that allow those processes to occur. Therefore, we outline a course of action that considers restoration of ecosystem processes in those systems where off-site land use or physical alterations restrict local management. Upon considering a wetland system, or examining a particular management regime, there are several factors that will allow successful restoration of wetland services. An initial step is examination of the political/social factors that have structured the current ecological condition and whether those realities can be addressed. Most successful restorations of wetland ecosystem services involve cooperation among multiple agencies, acquisition of funds from non-traditional sources, seeking of scientific advice on ecosystem processes, and cultivation of good working relationships among biologists, managers, and maintenance staff. Beyond that, in on-site wetland situations, management should examine the existing hydrogeomorphic situation and processes (e.g., climatic variation, tides, riverine flood-pulse events) responsible for maintenance of ecosystem services within a given temporal framework appropriate for that wetland's hydrologic pattern. We discuss these processes for five major wetland types (depressional, lacustrine, estuarine, riverine, and man-made impoundments) and then provide two case histories in which this approach was applied: Seney National Wildlife Refuge with a restored fen system and Bosque del Apache National Wildlife Refuge where riverine processes have been simulated to restore native habitat. With adequate partnerships and administrative and political support, managers faced with degraded and/or disconnected wetland processes will be able to restore ecosystem services for society in our highly altered landscape by considering wetlands in their given hydrogeomorphic setting and temporal stage. ?? 2008 The Society of Wetland Scientists.

Smith, L. M.; Euliss, Jr. , N. H.; Wilcox, D. A.; Brinson, M. M.

2008-01-01

484

A Inserção Feminina no Mercado de Trabalho do Agronegócio: Uma Estudo Comparativo da Sadia e da Perdigão  

Microsoft Academic Search

Resumo O estudo apresenta uma visão comparativa das práticas de evidenciação, no Balanço Social, dos indicadores sociais relacionados à inserção da mulher nas Empresas Sadia e Perdigão. A análise dos indicadores laborais pode oferecer informações relevantes para investidores e para a sociedade em geral quanto à proteção e ao estímulo do trabalho feminino. O estudo utiliza o banco de dados

Antonio Nunes Pereira; Vandresa Lucia Machado; Fabricio Carvalho Cipola; Claudio Jose Pinheiro; Ana Alice Vilas Boas

2008-01-01

485

Síndrome pulmonar e cardiovascular por Hantavirus: aspectos epidemiológicos, clínicos, do diagnóstico laboratorial e do tratamento Hantavirus pulmonary and cardiovascular syndrome: epidemiology, clinical presentation, laboratory diagnosis and management aspects  

Microsoft Academic Search

Resumo A síndrome pulmonar e cardiovascular por Hantavirus (SPCVH), é doença emergente com descrição crescente de casos no Brasil. Neste trabalho, estudou-se 8 casos confirmados da doença. Todos apresentaram febre e dispnéia. Taquicardia, astenia, hipotensão e estertoração pulmonar ocorreram em 75 a 87,5% dos casos. Plaquetopenia e hipoxemia ocorreram em 100% dos casos, hemoconcentração, leucocitose com desvio à esquerda e

Luiz Tadeu; M. Figueiredo; Gelse Mazzoni Campos; Fernando Bellissimo Rodrigues

486

Microcode simulator for Apple Macintosh  

Microsoft Academic Search

No fewer than three microcode simulators have been described in this bulletin since 1987. Carlson's [1] runs on an IBM mainframe, Donaldson's [3] on DOS machines and Dunworth's [4] on DOS or unix machines. All have a traditional textual interface. We wanted a visual interface that would display a circuit diagram (figure 1) and let a user follow the execution

Roy Fuller

1992-01-01

487

OBTENÇÃO DE GELÉIA ELABORADA COM A EXTRATAÇÃO DE SUCO DE CARAMBOLA  

Microsoft Academic Search

RESUMO Estudou-se a viabilidade de produção de geléia de carambola apartir do suco extraído da fruta. Os procedimentos tiveram inicio com o processo de branqueamento da fruta, passando por mais cinco etapas, batimento, extração do suco, mistura dos ingredientes como, sacarose, pectina e acido cítrico, finalizando com o aquecimento. Foram elaboradas diversas concentrações dos ingredientes até se obter uma geléia

Eliane Souza; Kelly Canette; Roseana Costa Marques; Lucimara Thais Vidrago

488

Avaliação de Processo de um Programa de Manejo de Estresse Ocupacional The Process Evaluation of an Occupational Stress Management Program  

Microsoft Academic Search

Resumo Este artigo descreve metas intermediárias alcançadas e atitudes dos participantes frente a um programa de manejo de estresse ocupacional. Participaram 74 funcionários de uma universidade, dos quais 42 foram designados para uma intervenção multimodal de manejo de estresse e 32 para um treinamento em habilidades sociais. Os resultados, coletados por medidas observacionais, evidenciaram que as metas intermediárias foram alcançadas

Sheila Giardini Murta

489

Desenvolvimento de circuitos reconfiguráveis que interagem com um monitor VGA  

Microsoft Academic Search

Resumo - Este artigo descreve a implementação de circuitos reconfiguráveis que suportam interacção com monitores VGA. A visualização dos resultados e dos dados intermédios num monitor VGA facilita a depuração de circuitos realizados em FPGA e aumenta as potencialidades de interacção com o utilizador. O projecto desenvolvido foi utilizado no âmbito das disciplinas Computação Reconfigurável (4º ano de LECT) e

Iouliia Skliarova

2005-01-01

490

Dock 3 Tumor Suppressor Gene.  

National Technical Information Service (NTIS)

The invention relates to a newly identified tumor suppressor gene, designated DOS (for Deleted in Osteosarcoma and alternatively referred to herein as DOCK 3) which has been cloned from human and mouse cells. The DOS nucleic acid and protein molecules and...

A. McClatchey C. Paulding D. Haber V. Yajnik

2002-01-01

491

Software review  

Microsoft Academic Search

LISREL for Windows 8.01. Scientific Software International, Suite 906, 1525 East 53rd Street, Chicago, IL 60615–4530. DOS\\/DOS Extender versions, $495; all three versions, $575; upgrades from LISREL 7, $195; all three versions, $245. Requirements: 2 MB RAM (4 MB recommended), 3.6 MB hard disk space, Microsoft Windows 3.1.

Zack Loukides

1994-01-01

492

Diversity-oriented synthesis: exploring the intersections between chemistry and biology  

Microsoft Academic Search

Diversity-oriented synthesis (DOS) is an emerging field involving the synthesis of combinatorial libraries of diverse small molecules for biological screening. Rather than being directed toward a single biological target, DOS libraries can be used to identify new ligands for a variety of targets. Several different strategies for library design have been developed to target the biologically relevant regions of chemical

Derek S Tan

2005-01-01

493

The chemistry of flower rewards -- Oncidium (Orchidaceae)  

Microsoft Academic Search

A maioria dos estudos sobre polinização focalizam as interações que envolvem recompensas como néctar e pólen. Nosso grupo de pesquisa, entretanto tem se dedicado à química de recompensas florais como resinas e óleos florais. Neste trabalho, estamos relatando a composição química dos óleos florais de Oncidium pubes que contêm di e triacilglicerois nos quais o glicerol está esterificado com um

Mariza G. Reis; Aparecida D. de Faria; Volker Bittrich; Maria do Carmo; Anita J. Marsaioli

2000-01-01

494

Controle biológico natural de pulgões (Hemiptera: Aphididae) em lavoura de trigo por parasitóides (Hymenoptera, Aphidiinae), no município de Medianeira, PR, Brasil Natural biological control of aphids (Hemiptera: Aphididae) in a wheat field by parasitoids (Hymenoptera, Aphidiinae) in Medianeira, PR, Brazil  

Microsoft Academic Search

Os pulgões são um dos principais problemas fitossanitários da cultura do trigo no sul do Brasil, sendo alvo de um programa de controle biológico por parasitóides implantado no Brasil a partir da década de 1970. A despeito do sucesso inicial rapidamente obtido não há na região oeste do Paraná nenhum estudo recente avaliando a situação atual do controle biológico dos

Luis Francisco Angeli Alves; Tânia M. V. Prestes; Agostinho Zanini; Maria F. Dalmolin

495

The interactions between cysteamine, cystine and cumulus cells increase the intracellular glutathione level and developmental capacity of goat cumulus-denuded oocytes.  

PubMed

To improve in vitro maturation (IVM) of denuded oocytes (DOs), we observed the interactive effects of cysteamine, cystine and cumulus cells on the glutathione (L-gamma-glutamyl-L-cysteinyl-glycine; GSH) level and developmental capacity of goat IVM oocytes. Cysteamine supplementation increased the GSH level and blastocyst rates of both cumulus-oocyte complexes (COCs) and DOs, while the addition of cystine increased the GSH level and blastulation only in the presence of cumulus cells (COCs or DOs co-cultured on a cumulus cell monolayer). Simultaneous supplementation of cysteamine and cystine increased the GSH content and blastulation of co-cultured DOs to a level similar to that of COCs matured without thiol supplementation. Co-culture without thiol supplementation improved DOs' GSH synthesis but not blastulation. The results suggest that DOs cannot utilize cystine for GSH synthesis unless exogenous cysteamine is supplied by either cumulus cells or supplementation. Thus, while the addition of cystine alone is enough to improve IVM of COCs, improvement of DOs requires supplementation of both cystine and cysteamine. Synergic actions between cysteamine, cystine and cumulus cells restore the GSH level and developmental capacity of goat DOs. PMID:18411409

Zhou, Ping; Wu, Yan-Guang; Li, Qing; Lan, Guo-Cheng; Wang, Gang; Gao, Da; Tan, Jing-He

2008-05-01

496

Las Células Dendríticas y su Papel de Centinelas del Sistema Inmune  

Microsoft Academic Search

La historia natural de estas células se divide en dos: células inmaduras y células maduras. Las CDe inmadu- ras se encuentran distribuidas ampliamente en tejidos linfoides y no linfoides y con una tasa de recambio rela- tivamente rápida (vida media menos de dos días). Esta alta tasa de recambio está asociada a una de las carac- terísticas particulares de esta

Melitza Iglesias

497

32 CFR Appendix B to Part 197 - Procedures for Historical Researchers Permanently Assigned Within the Executive Branch Working on...  

Code of Federal Regulations, 2013 CFR

...files. The Central Intelligence Agency (CIA) and National Security Council (NSC...authorization for access must be obtained from the CIA, NSC, Department of State (DoS), and...authorization for access must be obtained from the CIA, NSC, DoS, and any other non-DoD...

2013-07-01

498

CARACTERIZAÇÃO GEOTÉCNICA EXPEDITA DO GRANITO DO PORTO PARA FINS DE ESCAVAÇÃO DE TÚNEIS SWIFT GEOTECHNICAL CHARACTERIZATION OF OPORTO GRANITE FOR TUNNELING EXCAVATION  

Microsoft Academic Search

RESUMO Os critérios sugeridos por diversos autores para a caracterização geotécnica dos maciços rochosos não são de fácil e expedita aplicação, visto que nela intervêm várias propriedades geotécnicas que quantificam características geológicas, geomecânicas e geofísicas dos maciços e rochas constituintes e a determinação de tais parâmetros é difícil e morosa. O presente artigo tem por objectivo apontar critérios para uma

Dinis da Gama

499

Afghan National Police Training Program Would Benefit from Better Compliance with the Economy Act and Reimbursable Agreements.  

National Technical Information Service (NTIS)

We conducted this audit in response to requirements in the FY 2011 National Defense Authorization Act. This third report in a series expands on DoD Report No. D-2011-080 and DOS Report No. AUD/CG-11-30, 'DoD and DOS Need Better Procedures to Monitor and E...

D. R. Blair E. R. Klemstine

2011-01-01

500

Applications of Photonic Crystals to Directional Antennas  

Microsoft Academic Search

\\u000a One of the prime motivations for the rapid development of photonic band gap structures was the promise of manipulating and\\u000a engineering the photonic densities of states (DOS) [1 ,2] for new applications. By altering the photonic DOS, spontaneous\\u000a emission can be modified opening up novel applications to optical physics.

R. Biswasl; E. Ozbay; B. Temelkuran; M. Bayindir; M. M. Sigalas; K.-M Ho