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Sample records for radioimmunological hpl determination

  1. [Radioimmunologic determination of plasmatic triiodothyronine. Verification of operative parameters; 1st clinical results].

    PubMed

    Dotti, C

    1975-06-01

    The experimental determination of the operative parameters of two radioimmunoassay (RIA) systems for the determination of triiodothyronine (T3) level directly in serum is described. The two systems differ both for the agents blocking the aspecific T3-serum protein bindings (sulphonic acid, 8-aniline, 1-Naphtalene in borate buffer: bor-ANS-RIA and Merthiolate in phosphate buffer: PO4-Merth-RIA) and for the methods adopted for compensating the aspecific serum interferences (T3,4 free serum for bor-ANS-RIA and Human Serum Albumine HSA 8% for PO4-Merth-RIA. The tracers are T3-I125 (spec. act. 500 Ci/g for bor-ANS-RIA and 1000 Ci/g for PO4-Merth-RIA). The antisera have been raised in rabbit (T3-bovine SA conjugate for bor-ANS-RIA and T3-HSA conjugate for PO4-Merth-RIA). The incubation conditions are 2degreesC X 24 h for bor-ANS-RIA and room temp. X 2 h for PO4-Merth-RIA. For both systems, the Bound-Free (B-F) separations are carried out by charcoal-dextrane adsorption, 4 mg/tube, 10 min contact. Indicatively, the lowest detection limits of the two systems are about 8 pg T3 for ANS and about 6 pg T3 for Merth. Evidence of parallelism and even superimposition is provided for both assays between the dose-response curve and the serum dilution curve. The calibration curves of the employed antisera are reported (final titres: 1/1000 for ANS and 1/2500 for Merth). 4 different incubation conditions for ANS and 2 for Merth are described and the reasons of choice of the mentioned conditions statistically elucidated. Acceptable statistical comparison between "sample-blank" and the "blank" of the diluents of the employed standard preparations are presented and discussed. F-countings vs. B-countings functions are reported (regression line -- equations: F = 0.93 B + 0.07, n = 15, r = 0.993 for ANS and F = 0.95 B -- 0.02, n = 14, r = 0.992 for Merth) demonstrating the possibility of alternative countings. The recovery regression lines (found f vs. expected e) have equations: f = 1

  2. [Radioimmunologic determination of total IgE and allergen-specific IgE-antibodies in diffuse neurodermitis].

    PubMed

    Pürschel, W; Zeidler, U; Kuse, M

    1975-10-01

    Total IgE levels in sera of 165 patients with atopic dermatitis and 79 patients with dermatoses as well as normal control patients were determined by radioimmunoassay (Phadebas, Pharmacia). Although the mean value for patients with atopic dermatitis was found far above the mean value for normal controls, 38% of patients showed total IgE serum levels within the normal range. Highest IgE serum levels were observed in patients with the generalized form of the disease and in patients with asthma and allergic rhinitis. No direct correlation however, to severity of disease could be found. In a series of 50 patients prick tests were compared to total IgE serum levels and to levels of allergen specific antibodies determined by radioallergosorbent-test (RAST). Extracts of grass pollens and of animal dandruff were used. There was complete agreement between results of skin testing and RAST in at least 80%. While cross reactions were common with grass pollen extracts in RAST, there was no cross-over with animal dandruff. No correlation was found between titer of allergen specific antibody and severity of skin lesions. IgE specific antibody could be detected in 48% of patients with normal total IgE serum levels and in 82% of patients with elevated values. PMID:1201945

  3. High yield exogenous protein HPL production in the Bombyx mori silk gland provides novel insight into recombinant expression systems

    PubMed Central

    Wang, Huan; Wang, Lu; Wang, Yulong; Tao, Hui; Yin, Weimin; SiMa, Yanghu; Wang, Yujun; Xu, Shiqing

    2015-01-01

    The silk gland of Bombyx mori (BmSG) has gained significant attention by dint of superior synthesis and secretion of proteins. However, the application of BmSG bioreactor is still a controversial issue because of low yields of recombinant proteins. Here, a 3057 bp full-length coding sequence of Hpl was designed and transformed into the silkworm genome, and then the mutant (Hpl/Hpl) with specific expression of Hpl in posterior BmSG (BmPSG) was obtained. In the mutants, the transcription level of Fib-L and P25, and corresponding encoding proteins, did not decrease. However, the mRNA level of Fib-H was reduced by 71.1%, and Fib-H protein in the secreted fibroin was decreased from 91.86% to 71.01%. The mRNA level of Hpl was 0.73% and 0.74% of Fib-H and Fib-L, respectively, while HPL protein accounted for 18.85% of fibroin and 15.46% of the total amount of secreted silk protein. The exogenous protein was therefore very efficiently translated and secreted. Further analysis of differentially expressed gene (DEG) was carried out in the BmPSG cells and 891 DEGs were detected, of which 208 genes were related to protein metabolism. Reduced expression of endogenous silk proteins in the BmPSG could effectively improve the production efficiency of recombinant exogenous proteins. PMID:26370318

  4. CHRONICLE: Twelfth International Symposium on Gas and Chemical Lasers and High-Power Laser Conference (GCL/HPL '98)

    NASA Astrophysics Data System (ADS)

    Boreysho, A. S.; Koretskii, Ya P.; Mashendzhinov, Viktor I.; Morozov, A. V.; Rotinyan, Mikhail A.

    1999-03-01

    A review is given of the papers presented at the GCL/HPL'98 Meeting held on August 31 — September 5, 1998 in St Petersburg. A brief account is given of the associated exhibition and a satellite conference held at the All-Russia Scientific-Research Institute of Experimental Physics (Russian Federal Nuclear Centre) in the city of Sarov.

  5. Direct mitochondrial dysfunction precedes reactive oxygen species production in amiodarone-induced toxicity in human peripheral lung epithelial HPL1A cells

    SciTech Connect

    Nicolescu, Adrian C. Ji, Yanbin; Comeau, Jeannette L.; Hill, Bruce C.; Takahashi, Takashi; Brien, James F.; Racz, William J.; Massey, Thomas E.

    2008-03-15

    Amiodarone (AM), a drug used in the treatment of cardiac dysrrhythmias, can produce severe pulmonary adverse effects, including fibrosis. Although the pathogenesis of AM-induced pulmonary toxicity (AIPT) is not clearly understood, several hypotheses have been advanced, including increased inflammatory mediator release, mitochondrial dysfunction, and free-radical formation. The hypothesis that AM induces formation of reactive oxygen species (ROS) was tested in an in vitro model relevant for AIPT. Human peripheral lung epithelial HPL1A cells, as surrogates for target cells in AIPT, were susceptible to the toxicity of AM and N-desethylamiodarone (DEA), a major AM metabolite. Longer incubations ({>=} 6 h) of HPL1A cells with 100 {mu}M AM significantly increased ROS formation. In contrast, shorter incubations (2 h) of HPL1A cells with AM resulted in mitochondrial dysfunction and cytoplasmic cytochrome c translocation. Preexposure of HPL1A cells to ubiquinone and {alpha}-tocopherol was more effective than that with Trolox C (registered) or 5,5-dimethylpyrolidine N-oxide (DMPO) at preventing AM cytotoxicity. These data suggest that mitochondrial dysfunction, rather than ROS overproduction, represents an early event in AM-induced toxicity in peripheral lung epithelial cells that may be relevant for triggering AIPT, and antioxidants that target mitochondria may potentially have beneficial effects in AIPT.

  6. Culture of islets of Langerhans from an infant with intractable neonatal hypoglycemia: cytochemical and radioimmunological studies.

    PubMed

    Ratovo, G; Gespach, C; Hollande, E; Creach, Y; Palevody, C; Rochiccioli, P

    1989-01-01

    Extralobular islet of Langerhans cells were isolated from the pancreas of an infant with intractable neonatal hypoglycemia (nesidioblastosis) by digestion with a mixture of trypsin and collagenase, and subsequent purification on a gradient of fetal calf serum. These islet cells cultured in Eagle's medium containing 20% fetal calf serum formed confluent endocrine cell monolayers within 15 days. These endocrine cells were studied immunocytochemically, and their secretion products were assayed by radioimmunological methods. The large numbers of beta, alpha and delta cells present in the islets before explanation remained functional in the cultures for 30 days. The beta cells secreted large amounts of insulin throughout this period, and secretion was stimulated by raising the glucose concentration in the medium from 5.6 to 16.8 mM. Initially there was little secretion of glucagon, but this increased during the subsequent 10 days in culture. It was not inhibited when the glucose concentration was raised from 5.6 to 16.8 mM. Somastostatin secretion remained stable throughout the period of culture, but tended to rise when the glucose concentration was increased. These results show that the culture of pancreatic cells from infants with nesidioblastosis provides an interesting in vitro system for studying the biological and biochemical characteristics of endocrine cells in the human pancreas. PMID:2698367

  7. Development and validation of a stability-indicating RP-HPL C-CAD method for gabapentin and its related impurities in presence of degradation products.

    PubMed

    Ragham, Pramod Kumar; Chandrasekhar, Kothapalli B

    2016-06-01

    The objective of the current study was to develop and validate a sensitive and specific LC-MS compatible stability indicating reversed phase liquid chromatographic method for the quantitative determination of Gabapentin and its related substances using Corona charged aerosol detection (CAD). The chromatographic conditions were optimized using a Kinetix Biphenyl column with gradient elution using a mobile phase composed of pH 4.2 ammonium acetate, acetonitrile, and methanol. Forced degradation was observed in basic and peroxide conditions and the major degradants were identified by LC-MS/MS analysis. The developed RP-HPLC CAD method was validated according to ICH guidelines. The LOD and LOQ values for Gabapentin and all its related impurities ranged from 0.075μg/mL to 0.18μg/mL and 0.25μg/mL to 0.60μg/mL, respectively. The recovery for all impurities ranged from 91.0 to 105.6%w/w. Solutions were stable for 7days at room temperature. The validated method produced acceptable precision, linearity, accuracy, robustness and ruggedness. PMID:27018505

  8. [Automated recording of precision profiles for the radioimmunological determination of T4 using a pocket calculator of the HP-41 CV type].

    PubMed

    Ditu, M; Waud, J M; Hamilton, R G; Wagner, H N

    1984-01-01

    Precision profiles as useful tool for assurance of assay quality in 10 independent T4RIAs have been automatically obtained using a small programmable pocket calculator HP-41 CV. For each T4 assay batch, the within-assay coefficient of variation varied from 7 to 11% in the hormone concentration range of 2 to 20 micrograms/dl. The difference in coefficient of variation for all the 10 successive assay batches of T4, never exceeded 1% in the same hormone concentrations regions. All the above findings demonstrate that the precision profile can be used as a powerful tool for assessing the assay quality and consistency of overall random error between successive assay batches. PMID:6536211

  9. Stochastic determination of matrix determinants.

    PubMed

    Dorn, Sebastian; Ensslin, Torsten A

    2015-07-01

    Matrix determinants play an important role in data analysis, in particular when Gaussian processes are involved. Due to currently exploding data volumes, linear operations-matrices-acting on the data are often not accessible directly but are only represented indirectly in form of a computer routine. Such a routine implements the transformation a data vector undergoes under matrix multiplication. While efficient probing routines to estimate a matrix's diagonal or trace, based solely on such computationally affordable matrix-vector multiplications, are well known and frequently used in signal inference, there is no stochastic estimate for its determinant. We introduce a probing method for the logarithm of a determinant of a linear operator. Our method rests upon a reformulation of the log-determinant by an integral representation and the transformation of the involved terms into stochastic expressions. This stochastic determinant determination enables large-size applications in Bayesian inference, in particular evidence calculations, model comparison, and posterior determination. PMID:26274302

  10. Stochastic determination of matrix determinants

    NASA Astrophysics Data System (ADS)

    Dorn, Sebastian; Enßlin, Torsten A.

    2015-07-01

    Matrix determinants play an important role in data analysis, in particular when Gaussian processes are involved. Due to currently exploding data volumes, linear operations—matrices—acting on the data are often not accessible directly but are only represented indirectly in form of a computer routine. Such a routine implements the transformation a data vector undergoes under matrix multiplication. While efficient probing routines to estimate a matrix's diagonal or trace, based solely on such computationally affordable matrix-vector multiplications, are well known and frequently used in signal inference, there is no stochastic estimate for its determinant. We introduce a probing method for the logarithm of a determinant of a linear operator. Our method rests upon a reformulation of the log-determinant by an integral representation and the transformation of the involved terms into stochastic expressions. This stochastic determinant determination enables large-size applications in Bayesian inference, in particular evidence calculations, model comparison, and posterior determination.

  11. Accurate assessment of early gestational age in normal and diabetic women by serum human placental lactogen concentration.

    PubMed

    Whittaker, P G; Aspillaga, M O; Lind, T

    1983-08-01

    Serum human placental lactogen (hPL) and human chorionic gonadotropin (hCG) were assayed and fetal crown-rump length (CRL) was determined by sonar in three groups of pregnant women--35 with uncomplicated pregnancies, 13 with insulin-dependent diabetes mellitus, and 21 who represented a general pregnancy population. Each patient had a regular cycle and recorded last menstrual period, ovulated spontaneously, and was delivered of a single live baby. Serum hPL concentrations within the range 0.01-0.80 microU/ml in patients in the first group gave estimates of gestation with an SD of 6.3 days which was the same as the SD derived from CRL measurements. When the hPL regression equation was applied to the diabetic mothers the difference between the gestational age estimated from hPL and that estimated from LMP had a mean value of - 0.9 days with an SD of 6.2 days; this difference was not significantly different from zero. The third group of patients had a mean difference between hPL and LMP derived gestational age of 0.7 days (+/- 6.7 SD). Serum hPL offers a method of estimating gestation sufficiently precise to be used as a practical alternative to sonar measurements of CRL. PMID:6135831

  12. Virulence Determination

    Technology Transfer Automated Retrieval System (TEKTRAN)

    This chapter reviews the in vitro and in vivo assays that are available for determination of pathogenic potential of Listeria monocytogenes bacteria, highlighting the value of using multiplex PCR for rapid and accurate assessment of listerial virulence....

  13. Climate determinism or Geomagnetic determinism?

    NASA Astrophysics Data System (ADS)

    Gallet, Y.; Genevey, A.; Le Goff, M.; Fluteau, F.; Courtillot, V.

    2006-12-01

    A number of episodes of sharp geomagnetic field variations (in both intensity and direction), lasting on the order of a century, have been identified in archeomagnetic records from Western Eurasia and have been called "archeomagnetic jerks". These seem to correlate well with multi-decadal cooling episodes detected in the North Atlantic Ocean and Western Europe, suggesting a causal link between both phenomena. A possible mechanism could be a geomagnetic modulation of the cosmic ray flux that would control the nucleation rate of clouds. We wish to underline the remarkable coincidence between archeomagnetic jerks, cooling events in Western Europe and drought periods in tropical and sub-tropical regions of the northern hemisphere. The latter two can be interpreted in terms of global teleconnections among regional climates. It has been suggested that these climatic variations had caused major changes in the history of ancient civilizations, such as in Mesopotamia, which were critically dependent on water supply and particularly vulnerable to lower rainfall amounts. This is one of the foundations of "climate determinism". Our studies, which suggest a geomagnetic origin for at least some of the inferred climatic events, lead us to propose the idea of a "geomagnetic determinism" in the history of humanity.

  14. NUSAT 1 attitude determination

    NASA Technical Reports Server (NTRS)

    Talaga, Paul

    1987-01-01

    This paper presents the methods for attitude determination using the static wide angle field of view sensors of NUSAT 1. Some supporting analysis and operational results are given. The system gives at best a crude attitude determination.

  15. Rethinking the Category 'Determiner'

    ERIC Educational Resources Information Center

    Spangler, Wayne E.

    1975-01-01

    The 'determiner' category was originally set up by structuralists for identifying nouns. The rewrite rule for 'determiners' in transformational generative grammar is inadequate for showing correspondences between type and token. An appraisal of quantity terms might eliminate the concept of the 'determiner,' and replace that category with one of…

  16. Nephelometric determination of fluorine

    USGS Publications Warehouse

    Stevens, R.E.

    1936-01-01

    Fluorine in minerals may be determined with the nephelometer to about 1 per cent of the fluorine. The determination is made on an aliquot of the sodium chloride solution of the fluorine, obtained by the Berzelius method of extraction. The fluorine is precipitated as colloidal calcium fluoride in alcoholic solution, gelatin serving as a protective colloid. Arsenates, sulfates, and phosphates, which interfere with the determination, must be removed.

  17. Evidence for communality in the primary determinants of CYP74 catalysis and of structural similarities between CYP74 and classical mammalian P450 enzymes.

    PubMed

    Hughes, Richard K; Yousafzai, Faridoon K; Ashton, Ruth; Chechetkin, Ivan R; Fairhurst, Shirley A; Hamberg, Mats; Casey, Rod

    2008-09-01

    In silico structural analysis of CYP74C3, a membrane-associated P450 enzyme from the plant Medicago truncatula (barrel medic) with hydroperoxide lyase (HPL) specificity, showed that it had strong similarities to the structural folds of the classical microsomal P450 enzyme from rabbits (CYP2C5). It was not only the secondary structure predictions that supported the analysis but site directed mutagenesis of the substrate interacting residues was also consistent with it. This led us to develop a substrate-binding model of CYP74C3 which predicted three amino acid residues, N285, F287, and G288 located in the putative I-helix and distal haem pocket of CYP74C3 to be in close proximity to the preferred substrate 13-HPOTE. These residues were judged to be in equivalent positions to those identified in SRS-4 of CYP2C5. Significance of the residues and their relevance to the model were further assessed by site directed mutagenesis of the three residues followed by EPR spectroscopic and detailed kinetic investigations of the mutated proteins in the presence and absence of detergent. Although point mutation of the residues had no effect on the haem content of the mutated proteins, significant effects on the spin state equilibrium of the haem iron were noted. Kinetic effects of the mutations, which were investigated using three different substrates, were dramatic in nature. In the presence of detergent with the preferred substrate (13-HPOTE), the catalytic center activities and substrate binding affinities of the mutant proteins were reduced by a factor of 8-32 and 4-12, respectively, compared with wild-type--a two orders of magnitude reduction in catalytic efficiencies. We believe this is the first report where primary determinants of catalysis for any CYP74 enzyme, which are fully consistent with our model, have been identified. Our working model predicts that N285 is close enough to suggest that a hydrogen bond with the peroxy group of the enzyme substrate 13-HPOTE is

  18. Sex Determination in Papaya

    Technology Transfer Automated Retrieval System (TEKTRAN)

    Sex determination is an intriguing system in trioecious papaya. Over the past seven decades various hypotheses, based on the knowledge and information available at the time, have been proposed to explain the genetics of the papaya's sex determination. These include a single gene with three alleles...

  19. Determinants of Education Achievement.

    ERIC Educational Resources Information Center

    Lave, Charles; And Others

    1981-01-01

    A model is tested of the determinants of educational attainment among peasants on Mexico's Yucatan Peninsula, involving family background, personal characteristics (including IQ), and years of schooling available. Results indicate that the model explains much of the variance in educational attainment, and that IQ is only a minor determinant. (RW)

  20. Spacecraft Attitude Determination Methods

    NASA Technical Reports Server (NTRS)

    Markley, F. Landis; Bauer, Frank H. (Technical Monitor)

    2000-01-01

    This document is presentation in viewgraph form, which outlines the methods of determining spacecraft attitude. The presentation reviews several parameterizations relating to spacecraft attitude, such as Euler's Theorem, Rodriques parameters, and Euler-Rodriques parameters or Quaternion. Onboard attitude determination is the norm, using either single frame or filtering methods. The presentation reviews several mathematical representations of attitude. The mechanisms for determining attitude on board the Hubble Space Telescope, the Tropical Rainfall and Measuring Mission and the Solar Anomalous and Magnetospheric Particle Explorer are reviewed. Wahba's problem, Procrustes Problem, and some solutions are also summarized.

  1. Temperature determination using pyrometry

    DOEpatents

    Breiland, William G.; Gurary, Alexander I.; Boguslavskiy, Vadim

    2002-01-01

    A method for determining the temperature of a surface upon which a coating is grown using optical pyrometry by correcting Kirchhoff's law for errors in the emissivity or reflectance measurements associated with the growth of the coating and subsequent changes in the surface thermal emission and heat transfer characteristics. By a calibration process that can be carried out in situ in the chamber where the coating process occurs, an error calibration parameter can be determined that allows more precise determination of the temperature of the surface using optical pyrometry systems. The calibration process needs only to be carried out when the physical characteristics of the coating chamber change.

  2. Ultrasonic material property determinations

    NASA Technical Reports Server (NTRS)

    Serabian, S.

    1986-01-01

    The use and potential offered by ultrasonic velocity and attenuation measurements to determine and/or monitor material properties is explored. The basis for such unique measurements along with examples of materials from a variety of industries are presented.

  3. Protein Nitrogen Determination

    NASA Astrophysics Data System (ADS)

    Nielsen, S. Suzanne

    The protein content of foods can be determined by numerous methods. The Kjeldahl method and the nitrogen combustion (Dumas) method for protein analysis are based on nitrogen determination. Both methods are official for the purposes of nutrition labeling of foods. While the Kjeldahl method has been used widely for over a hundred years, the recent availability of automated instrumentation for the Dumas method in many cases is replacing use of the Kjeldahl method.

  4. Determining postural stability

    NASA Technical Reports Server (NTRS)

    Lieberman, Erez (Inventor); Forth, Katharine E. (Inventor); Paloski, William H. (Inventor)

    2011-01-01

    A method for determining postural stability of a person can include acquiring a plurality of pressure data points over a period of time from at least one pressure sensor. The method can also include the step of identifying a postural state for each pressure data point to generate a plurality of postural states. The method can include the step of determining a postural state of the person at a point in time based on at least the plurality of postural states.

  5. Solids mass flow determination

    DOEpatents

    Macko, Joseph E.

    1981-01-01

    Method and apparatus for determining the mass flow rate of solids mixed with a transport fluid to form a flowing mixture. A temperature differential is established between the solids and fluid. The temperature of the transport fluid prior to mixing, the temperature of the solids prior to mixing, and the equilibrium temperature of the mixture are monitored and correlated in a heat balance with the heat capacities of the solids and fluid to determine the solids mass flow rate.

  6. HEU age determination

    SciTech Connect

    Moorthy, A.R.; Kato, W.Y.

    1997-07-01

    A new technique has been developed to determine the age of highly enriched uranium (HEU) in solids. Uranium age is defined as the time since the uranium-containing material was last subjected to a process capable of separating uranium from its radioactive-decay daughters. [Most chemical processing, uranium enrichment, volatilization processes, and phase transformations (especially relevant for uranium hexafluoride) can result in separation of the uranium parent material from the decay-product daughters.] Determination of the uranium age, as defined here, may be relevant in verifying arms-control agreements involving uranium-containing nuclear weapons. The HEU age is determined from the ratios of relevant uranium daughter isotopes and their parents, viz {sup 230}Th/{sup 234}U and {sup 231}Pa/{sup 235}U. Uranium isotopes are quantitatively measured by their characteristic gamma rays and their daughters by alpha spectroscopy. In some of the samples, where HEU is enriched more than 99%, the only mode of HEU age determination is by the measurement of {sup 231}Pa since there is negligible quantity of {sup 230}Th due to very low atom concentrations of {sup 234}U in the samples. In this report the methodology and the data for determining the age of two HEU samples are presented.

  7. Determinants of marriage dissolution

    NASA Astrophysics Data System (ADS)

    Rahim, Mohd Amirul Rafiq Abu; Shafie, Siti Aishah Mohd; Hadi, Az'lina Abdul; Razali, Nornadiah Mohd; Azid @ Maarof, Nur Niswah Naslina

    2015-10-01

    Nowadays, the number of divorce cases among Muslim couples is very worrisome whereby the total cases reported in 2013 increased by half of the total cases reported in the previous year. The questions on the true key factors of dissolution of marriage continue to arise. Thus, the objective of this study is to reveal the factors that contribute to the dissolution of marriage. A total of 181 cases and ten potential determinants were included in this study. The potential determinants considered were age at marriage of husband and wife, educational level of husband and wife, employment status of husband and wife, income of husband and wife, the number of children and the presence at a counseling session. Logistic regression analysis was used to analyze the data. The findings revealed that four determinants, namely the income of husband and wife, number of children and the presence at a counselling session were significant in predicting the likelihood of divorce among Muslim couples.

  8. HEU age determination

    SciTech Connect

    Moorthy, A.R.; Kato, W.Y.

    1995-08-01

    A technique has been developed to determine the Highly Enriched Uranium (HEU) Age which is defined as the time since the HEU was produced in an enrichment process. The HEU age is determined from the ratios of relevant uranium parents and their daughters viz {sup 230}Th/{sup 234}U and {sup 231}Pa/{sup 235}U. Uranium isotopes are quantitatively measured by their characteristic gammas and their daughters by alpha spectroscopy. In some of the samples where HEU is enriched more than 99%, the only mode of HEU age determination is by the measurement of {sup 231}Pa since there is negligible quantity of {sup 230}Th due to very low atom concentrations of {sup 234}U in the sample. In this paper we have presented data and methodology of finding the age of two HEU samples.

  9. Ultrasonic determination of recrystallization

    NASA Technical Reports Server (NTRS)

    Generazio, E. R.

    1986-01-01

    Ultrasonic attenuation was measured for cold worked Nickel 200 samples annealed at increasing temperatures. Localized dislocation density variations, crystalline order and colume percent of recrystallized phase were determined over the anneal temperature range using transmission electron microscopy, X-ray diffraction, and metallurgy. The exponent of the frequency dependence of the attenuation was found to be a key variable relating ultrasonic attenuation to the thermal kinetics of the recrystallization process. Identification of this key variable allows for the ultrasonic determination of onset, degree, and completion of recrystallization.

  10. Determinants of project success

    NASA Technical Reports Server (NTRS)

    Murphy, D. C.; Baker, B. N.; Fisher, D.

    1974-01-01

    The interactions of numerous project characteristics, with particular reference to project performance, were studied. Determinants of success are identified along with the accompanying implications for client organization, parent organization, project organization, and future research. Variables are selected which are found to have the greatest impact on project outcome, and the methodology and analytic techniques to be employed in identification of those variables are discussed.

  11. Determination of Offgassed Products

    NASA Technical Reports Server (NTRS)

    1997-01-01

    A technician at Marshall Space Flight Center's Materials Combustion Research Facility begins the Determination of Offgassed Products Test to determine the identity and quantity of volatile offgassed products from materials and assembled articles. Materials are measured, weighed, and loaded into a clean toxicity chamber (pictured). The chamber is purged with high-purity air and loaded into an oven where it will be held at 120 degrees Fahrenheit (48.9 degrees Celsius) for 72 hours. At the end of the 72-hour period, the chamber is removed and allowed to cool to room temperature. Gas samples are taken from the chamber and analyzed using gas chromatography and mass spectrometry. From this, the quantity of the material that may be used safely in habitable areas of spacecraft is determined. This test also determines whether a flight hardware item may be flown safely in a crew compartment. Everything going into space with the astronauts is tested prior to flight to ensure the health and safety of the crew members.

  12. Determining TOC in Waters

    ERIC Educational Resources Information Center

    Kehoe, Thomas J.

    1977-01-01

    The instrumental method for detecting total organic carbon (TOC) in water samples is detailed. The method's limitations are discussed and certain precautions that must be taken are emphasized. The subject of TOC versus COD and BOD is investigated and TOC is determined to be a valid indication of biological demand. (BT)

  13. Gender determination in populus

    SciTech Connect

    McLetchie, D.N.; Tuskan, G.A.

    1994-12-31

    Gender, the expression of maleness or femaleness, in dioecious plants has been associated with changes in morphology, physiology, ecological position, and commercial importance of several species, including members of the Salicaceae family. Various mechanisms have been proposed to explain the expression of gender in Salicaceae, including sex chromosomes, simple Mendelian genes, quantitative genes, environment, and genotype-by-environment interactions. Published reports would favor a genetic basis for gender. The objective of this study was to identify molecular markers associated with gender in a segregating family of hybrid poplars. Bulked segregant analysis and chi-squared analysis were used to test for the occurrence of sex chromosomes, individual loci, and chromosome ratios (i.e., ploidy levels) as the mechanisms for gender determination. Examination of 2488 PCR based RAPD markers from 1219 primers revealed nine polymorphic bands between male and female bulked samples. However, linkage analysis indicated that none of these markers were significantly associated with gender. Chisquared results for difference in male-to-female ratios between diploid and triploid genotypes also revealed no significant differences. These findings suggest gender is not controlled via sex chromosomes, simple Mendelian loci or ratios of autosome to gender-determining loci. It is possible that gender is determined genetically by regions of the genome not sampled by the tested markers or by a complex of loci operating in an additive threshold manner or in an epistatic manner. It is also possible that gender is determined environmentally at an early zygote stage, canalizing gender expression.

  14. Determination of Fat Content

    NASA Astrophysics Data System (ADS)

    Carpenter, Charles

    The term "lipid" refers to a group of compounds that are sparingly soluble in water, but show variable solubility in a number of organic solvents (e.g., ethyl ether, petroleum ether, acetone, ethanol, methanol, benzene). The lipid content of a food determined by extraction with one solvent may be quite different from the lipid content as determined with another solvent of different polarity. Fat content is determined often by solvent extraction methods (e.g., Soxhlet, Goldfish, Mojonnier), but it also can be determined by nonsolvent wet extraction methods (e.g., Babcock, Gerber), and by instrumental methods that rely on the physical and chemical properties of lipids (e.g., infrared, density, X-ray absorption). The method of choice depends on a variety of factors, including the nature of the sample (e.g., dry versus moist), the purpose of the analysis (e.g., official nutrition labeling or rapid quality control), and instrumentation available (e.g., Babcock uses simple glassware and equipment; infrared requires an expensive instrument).

  15. Determining Haugh Units

    Technology Transfer Automated Retrieval System (TEKTRAN)

    Rapidly determining shell egg quality in an objective manner is not an easy task. Candling is most often utilized as a quick method for assessing egg quality in a non-destructive manner, but it is a highly subjective method. As you have experienced this week, it is almost impossible for multiple p...

  16. Waste Determination Equivalency - 12172

    SciTech Connect

    Freeman, Rebecca D.

    2012-07-01

    The Savannah River Site (SRS) is a Department of Energy (DOE) facility encompassing approximately 800 square kilometers near Aiken, South Carolina which began operations in the 1950's with the mission to produce nuclear materials. The SRS contains fifty-one tanks (2 stabilized, 49 yet to be closed) distributed between two liquid radioactive waste storage facilities at SRS containing carbon steel underground tanks with storage capacities ranging from 2,800,000 to 4,900,000 liters. Treatment of the liquid waste from these tanks is essential both to closing older tanks and to maintaining space needed to treat the waste that is eventually vitrified or disposed of onsite. Section 3116 of the Ronald W. Reagan National Defense Authorization Act of Fiscal Year 2005 (NDAA) provides the Secretary of Energy, in consultation with the Nuclear Regulatory Commission (NRC), a methodology to determine that certain waste resulting from prior reprocessing of spent nuclear fuel are not high-level radioactive waste if it can be demonstrated that the waste meets the criteria set forth in Section 3116(a) of the NDAA. The Secretary of Energy, in consultation with the NRC, signed a determination in January 2006, pursuant to Section 3116(a) of the NDAA, for salt waste disposal at the SRS Saltstone Disposal Facility. This determination is based, in part, on the Basis for Section 3116 Determination for Salt Waste Disposal at the Savannah River Site and supporting references, a document that describes the planned methods of liquid waste treatment and the resulting waste streams. The document provides descriptions of the proposed methods for processing salt waste, dividing them into 'Interim Salt Processing' and later processing through the Salt Waste Processing Facility (SWPF). Interim Salt Processing is separated into Deliquification, Dissolution, and Adjustment (DDA) and Actinide Removal Process/Caustic Side Solvent Extraction Unit (ARP/MCU). The Waste Determination was signed by the

  17. Determination of nickel-63

    SciTech Connect

    Poletiko, C.

    1988-01-01

    The research of activation products in the environment is often centered on cobalt-60 or other gamma emitters, since pure beta emitters require time consuming separations to be counted. However, some beta emitters must be checked because they have a build up in the environment, leading to potential hazards. Among these nuclides, there is nickel-63 which is a pure, soft beta emitter (67 keV) with a long half-life (100 years). A chemical separation, providing good results, was developed. Such a separation is based upon nickel carrier addition in the sample than DMG complex formation and isolation; after elimination of solvent. DMG complex is destroyed. Chemical yield is determined by flame atomic absorption measurement and nickel-63 counted by liquid scintillation. The described procedure allows the determination of low-level activities in different samples (soils, effluents, etc.). Detection limits are close to 0.1 Bq per sample.

  18. Stepwise shockwave velocity determinator

    NASA Technical Reports Server (NTRS)

    Roth, Timothy E.; Beeson, Harold

    1992-01-01

    To provide an uncomplicated and inexpensive method for measuring the far-field velocity of a surface shockwave produced by an explosion, a stepwise shockwave velocity determinator (SSVD) was developed. The velocity determinator is constructed of readily available materials and works on the principle of breaking discrete sensors composed of aluminum foil contacts. The discrete sensors have an average breaking threshold of approximately 7 kPa. An incremental output step of 250 mV is created with each foil contact breakage and is logged by analog-to-digital instrumentation. Velocity data obtained from the SSVD is within approximately 11 percent of the calculated surface shockwave velocity of a muzzle blast from a 30.06 rifle.

  19. Determination of balloon drag

    NASA Technical Reports Server (NTRS)

    Conrad, George R.; Robbins, Edward J.

    1991-01-01

    The evolution of an empirical drag relationship that has stimulated rethinking regarding the physics of balloon drag phenomena is discussed. Combined parasitic drag from all sources in the balloon system are estimated to constitute less than 10 percent of the total system drag. It is shown that the difference between flight-determined drag coefficients and those based on the spherical assumption should be related to the square of the Froude number.

  20. REDUCED PROTECTIVE CLOTHING DETERMINATIONS

    SciTech Connect

    BROWN, R.L.

    2003-06-13

    This technical basis document defines conditions where reduced protective clothing can be allowed, defines reduced protective clothing, and documents the regulatory review that determines the process is compliant with the Tank Farm Radiological Control Manual (TFRCM) and Title 10, Part 835, of the Code of Federal Regulations (10CFR835). The criteria, standards, and requirements contained in this document apply only to Tank Farm Contractor (TFC) facilities.

  1. Gender determination using cheiloscopy

    PubMed Central

    Padmavathi, B. N.; Makkad, Ramanpal Singh; Rajan, S. Y.; Kolli, Gopi Krishna

    2013-01-01

    Background: Although lip prints have been used as an evidence for human identification in forensic science, there exists a doubt about its role in gender determination. Aims: The present study was designed for documenting common patterns, as well as their variation in the study population, with objective of evaluating uniqueness of the lip print pattern among the study population, as well as to evaluate the possibility of gender determination. Study Design: Two hundred and thirty five lip prints were collected from volunteers among out patients of Darshan Dental College and Hospital, as well as community dental care camps of rural areas around Udaipur. Materials and Methods: Lip prints were recorded with transparent overlay and transferred on to a bond paper. It was then photographed using a Canon EOS 55OD 16 mega pixel digital camera. Software Picasa 3.6 and Microsoft Picture Manager were used to digitally enhance the quality and magnify the image bearing the groove pattern. Lip prints were later analyzed. Statistical Analysis: Pearson chi square test was adopted for statistical analysis and probability (P value) was calculated. Conclusion: In our study, none of the lip prints were identical, thus confirming the role of lip prints in individual identification. Dots, reticular and complex patterns were significant in gender determination. PMID:24255561

  2. HEU age determination

    SciTech Connect

    Moorthy, A.R.; Kato, W.Y.

    1994-12-31

    A criteria that a sample of highly enriched uranium (HEU) had come from a weapons stockpile and not newly produced in an enrichment plant is to show that the HEU had been produced a significant time in the past. The time since the HEU has produced in an enrichment plant is defined as the age of the HEU in this paper. The HEU age is determined by measuring quantitatively the daughter products {sup 230}Th and {sup 231}Pa of {sup 234}U and {sup 235}U, respectively, by first chemical separation of the thorium and protactinium and then conducting alpha spectrometry of the daughter products.

  3. Mass determination of neutrinos

    NASA Technical Reports Server (NTRS)

    Chiu, Hong-Yee

    1988-01-01

    A time-energy correlation method has been developed to determine the signature of a nonzero neutrino mass in a small sample of neutrinos detected from a distant source. The method is applied to the Kamiokande II (Hirata et al., 1987) and IMB (Bionta et al., 1987) observations of neutrino bursts from SN 1987A. Using the Kamiokande II data, the neutrino rest mass is estimated at 2.8 + 2.0, - 1.4 eV and the initial neutrino pulse is found to be less than 0.3 sec full width, followed by an emission tail lasting at least 10 sec.

  4. The Determination of Downwash

    NASA Technical Reports Server (NTRS)

    Diehl, Walter S

    1921-01-01

    It is obvious that, in accordance with Newton's second law, the lift on an aerofoil must be equal to the vertical momentum communicated per second to the air mass affected. Consequently a lifting aerofoil in flight is trailed by a wash which has a definite inclination corresponding to the factors producing the lift. It is thought that sufficient data, theoretical and experimental, are now available for a complete determination of this wash with respect to the variation of its angle of inclination to the originating aerofoil and with respect to the law which governs its decay in space.

  5. Determining residential firewood consumption

    NASA Astrophysics Data System (ADS)

    Marsinko, Allan P. C.; Phillips, Douglas R.; Cordell, H. Ken

    1984-07-01

    Household firewood use has become increasingly popular in the United States over the past few years. Significant problems remain in estimating firewood consumption. Methods of determining the amount of wood consumed vary from state to state. Units used for measuring firewood vary, but the cord remains the researcher's favorite. Factors used for converting other units, such as pickup truck loads to cords also vary. People who do not use firewood are less likely to respond to mailed surveys, resulting in potential overestimates of statewide consumption. This paper identifies some problems associated with estimating household firewood consumption and recommends methods of dealing with them.

  6. Satellite altitude determination uncertainties

    NASA Technical Reports Server (NTRS)

    Siry, J. W.

    1972-01-01

    Satellite altitude determination uncertainties will be discussed from the standpoint of the GEOS-C satellite, from the longer range viewpoint afforded by the Geopause concept. Data are focused on methods for short-arc tracking which are essentially geometric in nature. One uses combinations of lasers and collocated cameras. The other method relies only on lasers, using three or more to obtain the position fix. Two typical locales are looked at, the Caribbean area, and a region associated with tracking sites at Goddard, Bermuda and Canada which encompasses a portion of the Gulf Stream in which meanders develop.

  7. Determination of radar MTF

    SciTech Connect

    Chambers, D.

    1994-11-15

    The ultimate goal of the Current Meter Array (CMA) is to be able to compare the current patterns detected with the array with radar images of the water surface. The internal wave current patterns modulate the waves on the water surface giving a detectable modulation of the radar cross-section (RCS). The function relating the RCS modulations to the current patterns is the Modulation Transfer Function (MTF). By comparing radar images directly with co-located CMA measurements the MTF can be determined. In this talk radar images and CMA measurements from a recent experiment at Loch Linnhe, Scotland, will be used to make the first direct determination of MTF for an X and S band radar at low grazing angles. The technical problems associated with comparing radar images to CMA data will be explained and the solution method discussed. The results suggest the both current and strain rate contribute equally to the radar modulation for X band. For S band, the strain rate contributes more than the current. The magnitude of the MTF and the RCS modulations are consistent with previous estimates when the wind is blowing perpendicular to the radar look direction.

  8. Determination of Survivable Fires

    NASA Technical Reports Server (NTRS)

    Dietrich, D. L.; Niehaus, J. E.; Ruff, G. A.; Urban, D. L.; Takahashi, F.; Easton, J. W.; Abbott, A. A.; Graf, J. C.

    2012-01-01

    At NASA, there exists no standardized design or testing protocol for spacecraft fire suppression systems (either handheld or total flooding designs). An extinguisher's efficacy in safely suppressing any reasonable or conceivable fire is the primary benchmark. That concept, however, leads to the question of what a reasonable or conceivable fire is. While there exists the temptation to over-size' the fire extinguisher, weight and volume considerations on spacecraft will always (justifiably) push for the minimum size extinguisher required. This paper attempts to address the question of extinguisher size by examining how large a fire a crew member could successfully survive and extinguish in the confines of a spacecraft. The hazards to the crew and equipment during an accidental fire include excessive pressure rise resulting in a catastrophic rupture of the vehicle skin, excessive temperatures that burn or incapacitate the crew (due to hyperthermia), carbon dioxide build-up or other accumulation of other combustion products (e.g. carbon monoxide). Estimates of these quantities are determined as a function of fire size and mass of material burned. This then becomes the basis for determining the maximum size of a target fire for future fire extinguisher testing.

  9. Satellite orbit determination

    NASA Technical Reports Server (NTRS)

    Jordan, J. F.; Boggs, D. H.; Born, G. H.; Christensen, E. J.; Ferrari, A. J.; Green, D. W.; Hylkema, R. K.; Mohan, S. N.; Reinbold, S. J.; Sievers, G. L.

    1973-01-01

    A historic account of the activities of the Satellite OD Group during the MM'71 mission is given along with an assessment of the accuracy of the determined orbit of the Mariner 9 spacecraft. Preflight study results are reviewed, and the major error sources described. Tracking and data fitting strategy actually used in the real time operations is itemized, and Deep Space Network data available for orbit fitting during the mission and the auxiliary information used by the navigation team are described. A detailed orbit fitting history of the first four revolutions of the satellite orbit of Mariner 9 is presented, with emphasis on the convergence problems and the delivered solution for the first orbit trim maneuver. Also included are a solution accuracy summary, the history of the spacecraft orbit osculating elements, the results of verifying the radio solutions with TV imaging data, and a summary of the normal points generated for the relativity experiment.

  10. Determination of Cytotoxicity.

    PubMed

    2016-01-01

    Cytotoxicity assays are used for drug screening and cytotoxicity tests of chemicals. Nowadays, various reagents are used for cell viability detection. They are based on various cell functions such as enzyme activity, cell membrane permeability, cell adherence, ATP production, co-enzyme production and nucleotide uptake activity. Many have established methods such as colony formation method, crystal violet method, tritium-labelled thymidine uptake method, MTT and WST methods, which are used for counting the number of live cells. Moreover, trypan blue is a widely used assay for staining dead cells. In this method, cell viability must be determined by counting the unstained cells with a microscope or other instruments. This chapter is a collection of all these methods to be followed by researchers in a sequential manner. PMID:26939283

  11. Satellite altitude determination uncertainties

    NASA Technical Reports Server (NTRS)

    Siry, J. W.

    1971-01-01

    Satellite altitude determination uncertainties are discussed from the standpoint of the GEOS-C satellite. GEOS-C will be tracked by a number of the conventional satellite tracking systems, as well as by two advanced systems; a satellite-to-satellite tracking system and lasers capable of decimeter accuracies which are being developed in connection with the Goddard Earth and Ocean Dynamics Applications program. The discussion is organized in terms of a specific type of GEOS-C orbit which would satisfy a number of scientific objectives including the study of the gravitational field by means of both the altimeter and the satellite-to-satellite tracking system, studies of tides, and the Gulf Stream meanders.

  12. Determinants of genetic diversity.

    PubMed

    Ellegren, Hans; Galtier, Nicolas

    2016-07-01

    Genetic polymorphism varies among species and within genomes, and has important implications for the evolution and conservation of species. The determinants of this variation have been poorly understood, but population genomic data from a wide range of organisms now make it possible to delineate the underlying evolutionary processes, notably how variation in the effective population size (Ne) governs genetic diversity. Comparative population genomics is on its way to providing a solution to 'Lewontin's paradox' - the discrepancy between the many orders of magnitude of variation in population size and the much narrower distribution of diversity levels. It seems that linked selection plays an important part both in the overall genetic diversity of a species and in the variation in diversity within the genome. Genetic diversity also seems to be predictable from the life history of a species. PMID:27265362

  13. Automatic Bayesian polarity determination

    NASA Astrophysics Data System (ADS)

    Pugh, D. J.; White, R. S.; Christie, P. A. F.

    2016-07-01

    The polarity of the first motion of a seismic signal from an earthquake is an important constraint in earthquake source inversion. Microseismic events often have low signal-to-noise ratios, which may lead to difficulties estimating the correct first-motion polarities of the arrivals. This paper describes a probabilistic approach to polarity picking that can be both automated and combined with manual picking. This approach includes a quantitative estimate of the uncertainty of the polarity, improving calculation of the polarity probability density function for source inversion. It is sufficiently fast to be incorporated into an automatic processing workflow. When used in source inversion, the results are consistent with those from manual observations. In some cases, they produce a clearer constraint on the range of high-probability source mechanisms, and are better constrained than source mechanisms determined using a uniform probability of an incorrect polarity pick.

  14. Complexometric Determination of Calcium

    NASA Astrophysics Data System (ADS)

    Nielsen, S. Suzanne

    Ethylenediaminetetraacetate (EDTA) complexes with numerous mineral ions, including calcium and magnesium. This reaction can be used to determine the amount of these minerals in a sample by a complexometric titration. Endpoints in the titration are detected using indicators that change color when they complex with mineral ions. Calmagite and eriochrome black T (EBT) are such indicators that change from blue to pink when they complex with calcium and magnesium. In the titration of a mineral-containing solution with EDTA, the solution turns from pink to blue at the endpoint with either indicator. The pH affects a complexometric EDTA titration in several ways, and must be carefully controlled. A major application of EDTA titration is testing the hardness of water, for which the method described is an official one (Standard Methods for the Examination of Water and Wastewater, Method 2340C; AOAC Method 920.196).

  15. Automatic Bayesian polarity determination

    NASA Astrophysics Data System (ADS)

    Pugh, D. J.; White, R. S.; Christie, P. A. F.

    2016-04-01

    The polarity of the first motion of a seismic signal from an earthquake is an important constraint in earthquake source inversion. Microseismic events often have low signal-to-noise ratios, which may lead to difficulties estimating the correct first-motion polarities of the arrivals. This paper describes a probabilistic approach to polarity picking that can be both automated and combined with manual picking. This approach includes a quantitative estimate of the uncertainty of the polarity, improving calculation of the polarity probability density function for source inversion. It is sufficiently fast to be incorporated into an automatic processing workflow. When used in source inversion, the results are consistent with those from manual observations. In some cases, they produce a clearer constraint on the range of high-probability source mechanims, and are better constrained than source mechanisms determined using a uniform probability of an incorrect polarity pick.

  16. Tracer for circulation determinations

    SciTech Connect

    Moore, H.; Santos, S.; Wysong, R. D.

    1985-03-19

    An improved tracer particle is described comprising an ion exchange core having a polymer coating thereon, the coated ion exchange core having a reaction site capable of reacting with a compound containing an oxirane group, said coated ion exchange core having been treated with a compound containing an oxirane group to react with said coated ion exchange core causing an increase in mass of the tracer particle. Preferably, the ion exchange core is labelled with a radionuclide. These particles have improved characteristics including improved stability against leaching and improved handling properties. Such particles are useful in circulatory determinations involving the injection of the particles as a suspension in a physiologically acceptable carrier or medium into the circulatory system of animals.

  17. Orbit Determination Toolbox

    NASA Technical Reports Server (NTRS)

    Carpenter, James R.; Berry, Kevin; Gregpru. Late; Speckman, Keith; Hur-Diaz, Sun; Surka, Derek; Gaylor, Dave

    2010-01-01

    The Orbit Determination Toolbox is an orbit determination (OD) analysis tool based on MATLAB and Java that provides a flexible way to do early mission analysis. The toolbox is primarily intended for advanced mission analysis such as might be performed in concept exploration, proposal, early design phase, or rapid design center environments. The emphasis is on flexibility, but it has enough fidelity to produce credible results. Insight into all flight dynamics source code is provided. MATLAB is the primary user interface and is used for piecing together measurement and dynamic models. The Java Astrodynamics Toolbox is used as an engine for things that might be slow or inefficient in MATLAB, such as high-fidelity trajectory propagation, lunar and planetary ephemeris look-ups, precession, nutation, polar motion calculations, ephemeris file parsing, and the like. The primary analysis functions are sequential filter/smoother and batch least-squares commands that incorporate Monte-Carlo data simulation, linear covariance analysis, measurement processing, and plotting capabilities at the generic level. These functions have a user interface that is based on that of the MATLAB ODE suite. To perform a specific analysis, users write MATLAB functions that implement truth and design system models. The user provides his or her models as inputs to the filter commands. The software provides a capability to publish and subscribe to a software bus that is compliant with the NASA Goddard Mission Services Evolution Center (GMSEC) standards, to exchange data with other flight dynamics tools to simplify the flight dynamics design cycle. Using the publish and subscribe approach allows for analysts in a rapid design center environment to seamlessly incorporate changes in spacecraft and mission design into navigation analysis and vice versa.

  18. Significant Radionuclides Determination

    SciTech Connect

    Jo A. Ziegler

    2001-07-31

    The purpose of this calculation is to identify radionuclides that are significant to offsite doses from potential preclosure events for spent nuclear fuel (SNF) and high-level radioactive waste expected to be received at the potential Monitored Geologic Repository (MGR). In this calculation, high-level radioactive waste is included in references to DOE SNF. A previous document, ''DOE SNF DBE Offsite Dose Calculations'' (CRWMS M&O 1999b), calculated the source terms and offsite doses for Department of Energy (DOE) and Naval SNF for use in design basis event analyses. This calculation reproduces only DOE SNF work (i.e., no naval SNF work is included in this calculation) created in ''DOE SNF DBE Offsite Dose Calculations'' and expands the calculation to include DOE SNF expected to produce a high dose consequence (even though the quantity of the SNF is expected to be small) and SNF owned by commercial nuclear power producers. The calculation does not address any specific off-normal/DBE event scenarios for receiving, handling, or packaging of SNF. The results of this calculation are developed for comparative analysis to establish the important radionuclides and do not represent the final source terms to be used for license application. This calculation will be used as input to preclosure safety analyses and is performed in accordance with procedure AP-3.12Q, ''Calculations'', and is subject to the requirements of DOE/RW-0333P, ''Quality Assurance Requirements and Description'' (DOE 2000) as determined by the activity evaluation contained in ''Technical Work Plan for: Preclosure Safety Analysis, TWP-MGR-SE-000010'' (CRWMS M&O 2000b) in accordance with procedure AP-2.21Q, ''Quality Determinations and Planning for Scientific, Engineering, and Regulatory Compliance Activities''.

  19. Determining satellite close approaches

    NASA Astrophysics Data System (ADS)

    Alfano, Salvatore; Negron, David, Jr.

    1993-06-01

    This paper presents a numerical method to evaluate close approaches of two satellites. The algorithm is based on a space curve modeling technique originally developed by Overhauser, presented here as an independent derivation. The method to determine minimum spacing between two space objects is based on creating a relative distance waveform, delta(t), versus time. The waveform is produced from either uniform or arbitrarily spaced data points, from which intervals of close approach are obtained by extracting the real roots of a localized cubic polynomial. This method is free of both transcendental equations and the computation of acceleration terms of the two objects of interest. For this study, a close approach truth table is constructed using a 0.1 second sequential step along the orbits, then differencing the two position vectors. The close approach entrance and exit times for an ellipsoidal quadric surface are then located using a piecewise linear interpolator, and serve as a benchmark for comparison. The simulation results show this algorithm produces encounter times almost identical to those in the truth table, with a 99.84 percent reduction in computer runtime. The results, created from real orbital data, include solution sets for three operational uses of close-approach logic. For this study, satellite orbital motion is modeled using first-order secular perturbations caused by mass anomalies.

  20. Age determination of raccoons

    USGS Publications Warehouse

    Grau, G.A.; Sanderson, G.C.; Rogers, J.P.

    1970-01-01

    Age criteria, based on 61 skulls and eye lenses from 103 known-age captives, are described for separating raccoons (Procyon lotor) into eight age-classes as follows: young-of-the-year, 1, 2, 3, 4, 5, 6-7, > 7 years. Criteria studied were eye lens nitrogen, cranial suture closure, tooth wear and incisor cementum layers. Lens nitrogen increased rapidly up to 12 months of age, but at much reduced rate thereafter. Total lens nitrogen was useful only in separating young-of-the-year from adults. The closure sequence for five cranial sutures accurately divided the total known-age sample of males into seven groups, and the adults into five groups. The tooth wear criteria divided the known-age sample into five relative age groups, but aging of individuals by this method was inaccurate. Histological sectioning of known-age teeth was the best method of observing layering in the cementum tissue. The technique of basing estimation of age on cementum ring counts, although subjective, was accurate for aging individuals through their fourth year but tended to underestimate the age of animals over 4 years old. However, suture closure or tooth wear can be used to identify males over 4 years old. In field studies, technical difficulties limit the utility of age estimation by cementum layers. Maximum root thickness of the lower canine was accurate in determining the sex of individuals from 5 months to ,at least 48 months of age.

  1. DETERMINATION OF CALORIES BY NIR

    Technology Transfer Automated Retrieval System (TEKTRAN)

    Although NIR spectroscopy has been used to determine energy content of feeds, little is known about the capability of near-infrared (NIR) spectroscopy for the determination of available energy in foods for human consumption. Recent studies have been conducted to determine the utilizable energy in p...

  2. Determinants for grading Malaysian rice

    NASA Astrophysics Data System (ADS)

    ChePa, Noraziah; Yusoff, Nooraini; Ahmad, Norhayati

    2016-08-01

    Due to un-uniformity of rice grading practices in Malaysia, zones which actively producing rice in Malaysia are using their own way of grading rice. Rice grading is important in determining rice quality and its subsequent price in the market. It is an important process applied in the rice production industry with the purpose of ensuring that the rice produced for the market meets the quality requirements of consumer. Two important aspects that need to be considered in determining rice grades are grading technique and determinants to be used for grading (usually referred as rice attributes). This article proposes the list of determinants to be used in grading Malaysian rice. Determinants were explored through combination of extensive literature review and series of interview with the domain experts and practitioners. The proposed determinants are believed to be beneficial to BERNAS in improving the current Malaysian rice grading process.

  3. New determination equation for visibility

    SciTech Connect

    Fang Qiwan; Rao Jionghui; Ying Zhixiang; Tang Haijun; Jiang Chuanfu

    1996-12-31

    Range is an important tactical hard index in designing and manufacturing military laser rangefinders. But in practice it is also a soft index which is influenced by target characteristic and atmospheric visibility. In this article the problems in the range index are analyzed. The way to determine visibility is put forward. Extinction determination equation for visibility is derived. And it is applied in practice, which verifies the determination equation is functional and effective.

  4. Enkephalins and hormonal-metabolic reactions in experimental stress depending on its severity

    SciTech Connect

    Lishmanov, Y.B.; Alekminskaya, L.A.; Lasukova, T.V.

    1985-08-01

    The aim of this investigation was to study the action of enkephalins on changes in hormonal-metabolic constants in stress of varied severity. Catecholamine excretion with the urine was determined fluorometrically, serum cortisol and insulin concentrations were measured radioimmunologically and glucose was determined by the standard orthotoluidine method. The results of the investigation indicate that enkephalins have a modulating effect on various hormonal mechanisms of adaptation stress. The results confirm that the physiological action of the peptide regulator depends on the functional state of the biological systems and it may differ sharply, even to the extent of diametrically opposite effects.

  5. Self-Determination. Feature Issue.

    ERIC Educational Resources Information Center

    IMPACT, 1994

    1994-01-01

    This theme issue explores the relevance of self-determination for persons with developmental disabilities across the life span, ways in which it is or can be expressed, and obstacles to its exercise. The articles show the futility of enhancing self-determination by teaching choice-making skills if environments offer no opportunities to exercise…

  6. The Resurgence of Biological Determinism.

    ERIC Educational Resources Information Center

    Segal, Elizabeth A.; Kilty, Keith M.

    1998-01-01

    Addresses two areas where science has been and still is used to justify policies and attitudes that are discriminatory and oppressive: homosexuality and alcoholism. This article analyzes the debate over whether these correlations are biologically or socially determined. Of particular concern is the potential impact of biological determinism on the…

  7. Precise Orbit Determination for ALOS

    NASA Technical Reports Server (NTRS)

    Nakamura, Ryo; Nakamura, Shinichi; Kudo, Nobuo; Katagiri, Seiji

    2007-01-01

    The Advanced Land Observing Satellite (ALOS) has been developed to contribute to the fields of mapping, precise regional land coverage observation, disaster monitoring, and resource surveying. Because the mounted sensors need high geometrical accuracy, precise orbit determination for ALOS is essential for satisfying the mission objectives. So ALOS mounts a GPS receiver and a Laser Reflector (LR) for Satellite Laser Ranging (SLR). This paper deals with the precise orbit determination experiments for ALOS using Global and High Accuracy Trajectory determination System (GUTS) and the evaluation of the orbit determination accuracy by SLR data. The results show that, even though the GPS receiver loses lock of GPS signals more frequently than expected, GPS-based orbit is consistent with SLR-based orbit. And considering the 1 sigma error, orbit determination accuracy of a few decimeters (peak-to-peak) was achieved.

  8. Sex determination: the amphibian models.

    PubMed

    Eggert, Christophe

    2004-01-01

    We review and discuss current knowledge about sex determination in amphibians. The astonishing wide variety of mechanisms of genotypic sex determination is presented and discussed in an evolutionary context. We recall the natural occurrence of transitory juvenile hermaphroditism in some species. Our present knowledge of the mechanisms of sex determination in amphibians is compared to that in mammals. The influence of epigenetic factors, and especially temperature is highlighted. In amphibians, the influence of temperature on sexual differentiation, that can prevail over genotypic sex determination, remains poorly considered in publications. We suggest that studies on genetic and epigenetic factors of gonadal sex differentiation in amphibians could provide substantial information on the evolutionary process of sex determination mechanisms in current living vertebrates. PMID:15762298

  9. Method of determining glass durability

    DOEpatents

    Jantzen, C.M.; Pickett, J.B.; Brown, K.G.; Edwards, T.B.

    1998-12-08

    A process is described for determining one or more leachate concentrations of one or more components of a glass composition in an aqueous solution of the glass composition by identifying the components of the glass composition, including associated oxides, determining a preliminary glass dissolution estimator, {Delta}G{sub p}, based upon the free energies of hydration for the component reactant species, determining an accelerated glass dissolution function, {Delta}G{sub a}, based upon the free energy associated with weak acid dissociation, {Delta}G{sub a}{sup WA}, and accelerated matrix dissolution at high pH, {Delta}G{sub a}{sup SB} associated with solution strong base formation, and determining a final hydration free energy, {Delta}G{sub f}. This final hydration free energy is then used to determine leachate concentrations for elements of interest using a regression analysis and the formula log{sub 10}(N C{sub i}(g/L))=a{sub i} + b{sub i}{Delta}G{sub f}. The present invention also includes a method to determine whether a particular glass to be produced will be homogeneous or phase separated. The present invention is also directed to methods of monitoring and controlling processes for making glass using these determinations to modify the feedstock materials until a desired glass durability and homogeneity is obtained. 4 figs.

  10. Method of determining glass durability

    DOEpatents

    Jantzen, Carol Maryanne; Pickett, John Butler; Brown, Kevin George; Edwards, Thomas Barry

    1998-01-01

    A process for determining one or more leachate concentrations of one or more components of a glass composition in an aqueous solution of the glass composition by identifying the components of the glass composition, including associated oxides, determining a preliminary glass dissolution estimator, .DELTA.G.sub.p, based upon the free energies of hydration for the component reactant species, determining an accelerated glass dissolution function, .DELTA.G.sub.a, based upon the free energy associated with weak acid dissociation, .DELTA.G.sub.a.sup.WA, and accelerated matrix dissolution at high pH, .DELTA.G.sub.a.sup.SB associated with solution strong base formation, and determining a final hydration free energy, .DELTA.G.sub.f. This final hydration free energy is then used to determine leachate concentrations for elements of interest using a regression analysis and the formula log.sub.10 (N C.sub.i (g/L))=a.sub.i +b.sub.i .DELTA.G.sub.f. The present invention also includes a method to determine whether a particular glass to be produced will be homogeneous or phase separated. The present invention is also directed to methods of monitoring and controlling processes for making glass using these determinations to modify the feedstock materials until a desired glass durability and homogeneity is obtained.

  11. Evans function and Fredholm determinants

    PubMed Central

    Karambal, Issa; Malham, Simon J. A.

    2015-01-01

    We explore the relationship between the Evans function, transmission coefficient and Fredholm determinant for systems of first-order linear differential operators on the real line. The applications we have in mind include linear stability problems associated with travelling wave solutions to nonlinear partial differential equations, for example reaction–diffusion or solitary wave equations. The Evans function and transmission coefficient, which are both finite determinants, are natural tools for both analytic and numerical determination of eigenvalues of such linear operators. However, inverting the eigenvalue problem by the free-state operator generates a natural linear integral eigenvalue problem whose solvability is determined through the corresponding infinite Fredholm determinant. The relationship between all three determinants has received a lot of recent attention. We focus on the case when the underlying Fredholm operator is a trace class perturbation of the identity. Our new results include (i) clarification of the sense in which the Evans function and transmission coefficient are equivalent and (ii) proof of the equivalence of the transmission coefficient and Fredholm determinant, in particular in the case of distinct far fields. PMID:25663806

  12. Human alternatives to fetal bovine serum for the expansion of mesenchymal stromal cells from bone marrow.

    PubMed

    Bieback, Karen; Hecker, Andrea; Kocaömer, Asli; Lannert, Heinrich; Schallmoser, Katharina; Strunk, Dirk; Klüter, Harald

    2009-09-01

    Mesenchymal stromal cells (MSCs) are promising candidates for novel cell therapeutic applications. For clinical scale manufacturing, human factors from serum or platelets have been suggested as alternatives to fetal bovine serum (FBS). We have previously shown that pooled human serum (HS) and thrombin-activated platelet releasate in plasma (tPRP) support the expansion of adipose tissue-derived MSCs. Contradictory results with bone marrow (BM)-derived MSCs have initiated a comprehensive comparison of HS, tPRP, and pooled human platelet lysate (pHPL) and FBS in terms of their impact on MSC isolation, expansion, differentiation, and immunomodulatory activity. In addition to conventional Ficoll density gradient centrifugation, depletion of lineage marker expressing cells (RosetteSep) and CD271+ sorting were used for BM-MSC enrichment. Cells were cultured in medium containing either 10% FBS, HS, tPRP, or pHPL. Colony-forming units and cumulative population doublings were determined, and MSCs were maximally expanded. Although both HS and tPRP comparable to FBS supported isolation and expansion, pHPL significantly accelerated BM-MSC proliferation to yield clinically relevant numbers within the first two passages. MSC quality and functionality including cell surface marker expression, adipogenic and osteogenic differentiation, and immunosuppressive action were similar in MSCs from all culture conditions. Importantly, spontaneous cell transformation was not observed in any of the culture conditions. Telomerase activity was not detected in any of the cultures at any passage. In contrast to previous data from adipose tissue-derived MSCs, pHPL was found to be the most suitable FBS substitute in clinical scale BM-MSC expansion. PMID:19544413

  13. Erroneous theories of sex determination.

    PubMed Central

    Mittwoch, U

    1985-01-01

    Throughout the major part of history, theories of sex determination had to be formulated in the absence of knowledge of ova and spermatozoa. The most persistent theory postulated that males are associated with the right parental side and females with the left side. At the end of the 19th century, sex was thought to be determined by nutrition. Recent findings regarding bilateral asymmetry in human hermaphrodites and of temperature dependent sex determination in reptiles may restore a small degree of credibility to certain theories predating the discovery of sex chromosomes. Images PMID:3892005

  14. Mars Science Laboratory Orbit Determination

    NASA Technical Reports Server (NTRS)

    Kruizinga, Gerhard L.; Gustafson, Eric D.; Thompson, Paul F.; Jefferson, David C.; Martin-Mur, Tomas J.; Mottinger, Neil A.; Pelletier, Frederic J.; Ryne, Mark S.

    2012-01-01

    This paper describes the orbit determination process, results and filter strategies used by the Mars Science Laboratory Navigation Team during cruise from Earth to Mars. The new atmospheric entry guidance system resulted in an orbit determination paradigm shift during final approach when compared to previous Mars lander missions. The evolving orbit determination filter strategies during cruise are presented. Furthermore, results of calibration activities of dynamical models are presented. The atmospheric entry interface trajectory knowledge was significantly better than the original requirements, which enabled the very precise landing in Gale Crater.

  15. Interaction model between a liquid film and a spherical probe

    NASA Astrophysics Data System (ADS)

    Ledesma Alonso, Rene; Legendre, Dominique; Tordjeman, Philippe

    2012-11-01

    To find a liquid surface profile, when performing AFM measurements, probe interaction effects should be identified. Herein, the behavior of a liquid film free surface (thickness E, surface tension γ and density difference Δρ), disposed over a flat surface and in the presence of a spherical probe (radius R) is forecast. A bump-like surface shape is observed, due to the probe/film interaction (characterized by the Hamaker constant Hpl). In addition, the attraction between the film and the substrate (depicted by Hsl) opposes the axial and radial deformation ranges. Several parameters portray the equilibrium shape: Bond Bo = (ΔρgR2) / γ and modified Hamaker Ha = 4Hpl / (3 πγR2) numbers, Hamaker ratio A =Hls /Hpl , separation distance D / R and film thickness E / R . We focus on the effect of geometry, nevertheless special attention is given to the role of physical parameters. Employing an augmented Young-Laplace equation, the equilibrium profile is described by a strongly non-linear ODE. A critical distance, below which the irreversible wetting process of the spherical probe occurs, is predicted. Our results provide simple relationships between parameters, which determine the optimal scanning conditions over liquid films.

  16. Teacher Compensation and Its Determinants

    ERIC Educational Resources Information Center

    Reiter, Herbert D.

    1974-01-01

    Examines the relationship among environmental influences, per pupil expenditures, and teacher salaries and debates the question whether collective negotiation or environmental influences are the prime determinant of teacher salaries. (Author/DN)

  17. Step 4: NCI Funding Determinations

    Cancer.gov

    Funding determinations are made around Oct. 1 each federal fiscal year. These decisions take into account several factors, including Congressional mandates, new scientific opportunities and program priorities when deciding which grants receive funding.

  18. Determination of plutonium metal origins

    SciTech Connect

    Moody, K.J.

    1995-02-01

    Forensic signatures are present in any Pu sample that can determine the sample`s origin: isotopic ratio of Pu, progeny species that grow into the sample, and contaminant species left over from incomplete purification of the Pu in fuel reprocessing. In the context of intelligence information, this can result in attribution of responsibility for the product of clandestine proliferant operations or material smuggled from existing stockpiles. A list of signature elements and what can be determined from them have been developed. Work needs to be done in converting concentrations of signature species into a quantitative forensic analysis, particularly in regard to reactor performance, but this should require only a small effort. A radiochemical analysis scheme has been developed for measuring these nuclides; more work is needed, particularly for determining fission product concentrations. A sample of Pu metal has been analyzed and several parameters determined that are strong indicators of its point of origin.

  19. Gender determination of avian embryo

    DOEpatents

    Daum, Keith A.; Atkinson, David A.

    2002-01-01

    Disclosed is a method for gender determination of avian embryos. During the embryo incubation process, the outer hard shells of eggs are drilled and samples of allantoic fluid are removed. The allantoic fluids are directly introduced into an ion mobility spectrometer (IMS) for analysis. The resulting spectra contain the relevant marker peaks in the positive or negative mode which correlate with unique mobilities which are sex-specific. This way, the gender of the embryo can be determined.

  20. Determination of zirconium in steels.

    PubMed

    Iyer, C S; Asari, T P

    1989-03-01

    The determination of zirconium in the range 0.01-0.20% is required for some special alloy steels. A method has been developed, based on initial removal of iron as its chloro-complex by extraction with methyl isobutyl ketone, followed by further extraction after addition of potassium thiocyanate, and determination of the zirconium left in the aqueous phase, with Arsenazo III. The absorbance is measured at 665 nm. PMID:18964725

  1. [The radioimmunological assay of fibrinogen breakdown products with E antigen during postoperative venous thromboses. Study in 46 cases of arthroplasty for osteoarthrosis of the hip (author's transl)].

    PubMed

    Dechavanne, M; Ville, D; Clermont, N; Pouillaude, J M; Clermont, A; Viala, J J; de Mourgues, G

    1977-11-26

    Twenty six patients (without thrombosis) had a normal 125I-fibrinogen test, among whom 15 had a normal phlebography; 18 patients (with thrombosis) had a positive 125I-fibrinogen test among whom 11 had a positive phlebography. There was a discrepancy between phlebography and 125I-fibrinogen test in 2 patients. In patients with thrombosis, there is a significantly increase of FgE levels for several days after the intervention. However the measurement of FgE is not a reliable test (4% of false positive and 38% of false negative); but it is always elevated in femoral and popliteal thrombosis. PMID:604924

  2. Lunar Prospector Orbit Determination Results

    NASA Technical Reports Server (NTRS)

    Beckman, Mark; Concha, Marco

    1998-01-01

    The orbit support for Lunar Prospector (LP) consists of three main areas: (1) cislunar orbit determination, (2) rapid maneuver assessment using Doppler residuals, and (3) routine mapping orbit determination. The cislunar phase consisted of two trajectory correction maneuvers during the translunar cruise followed by three lunar orbit insertion burns. This paper will detail the cislunar orbit determination accuracy and the real-time assessment of the cislunar trajectory correction and lunar orbit insertion maneuvers. The non-spherical gravity model of the Moon is the primary influence on the mapping orbit determination accuracy. During the first two months of the mission, the GLGM-2 lunar potential model was used. After one month in the mapping orbit, a new potential model was developed that incorporated LP Doppler data. This paper will compare and contrast the mapping orbit determination accuracy using these two models. LP orbit support also includes a new enhancement - a web page to disseminate all definitive and predictive trajectory and mission planning information. The web site provides definitive mapping orbit ephemerides including moon latitude and longitude, and four week predictive products including: ephemeris, moon latitude/longitude, earth shadow, moon shadow, and ground station view periods. This paper will discuss the specifics of this web site.

  3. A Predictive Framework for Determining How Journalists Determine News.

    ERIC Educational Resources Information Center

    Gaudino, James L.

    To determine how to articulate a concrete definition of the substance of the journalist's occupation, this paper offers a propositional framework of news value based on Kurt Lewin's gatekeeper model. First, the paper follows the established suggestion that news decisions are best studied from a gatekeeping perspective or that "news is whatever…

  4. Ecotoxicological Perspectives of Sex Determination.

    PubMed

    Mizoguchi, Beatriz A; Valenzuela, Nicole

    2016-01-01

    Sex determination or the commitment of the embryo to its sexual fate is a fundamental developmental process with paramount consequences in ecology and evolution. This process, whether triggered by environmental factors or genotypic constitution, can be derailed by environmental contaminants that alter the endocrine system, which is a key component of the regulatory network underlying vertebrate sex determination. Here, we review the molecular basis of sex determination, the endocrine components of its regulation, the maternal and endogenous sources of hormones to the developing embryo, and the routes through which endocrine disrupting chemicals (EDCs) affect gonadal development in reptiles, especially turtles. Among EDCs, we focus on PCBs, BPA, pesticides like atrazine, nitrates, and heavy metals. We also consider whether adaptation might be possible in the face of persistent chemical insult and conclude that, while plausible, contemporary environmental change may outpace adaptive evolution, particularly for many species that are already endangered and suffer from small population sizes. PMID:27022970

  5. Spectral Determinants on Mandelstam Diagrams

    NASA Astrophysics Data System (ADS)

    Hillairet, Luc; Kalvin, Victor; Kokotov, Alexey

    2016-04-01

    We study the regularized determinant of the Laplacian as a functional on the space of Mandelstam diagrams (noncompact translation surfaces glued from finite and semi-infinite cylinders). A Mandelstam diagram can be considered as a compact Riemann surface equipped with a conformal flat singular metric {|ω|^2}, where {ω} is a meromorphic one-form with simple poles such that all its periods are pure imaginary and all its residues are real. The main result is an explicit formula for the determinant of the Laplacian in terms of the basic objects on the underlying Riemann surface (the prime form, theta-functions, the canonical meromorphic bidifferential) and the divisor of the meromorphic form {ω}. As an important intermediate result we prove a decomposition formula of the type of Burghelea-Friedlander-Kappeler for the determinant of the Laplacian for flat surfaces with cylindrical ends and conical singularities.

  6. Determining distances using asteroseismic methods

    NASA Astrophysics Data System (ADS)

    Silva Aguirre, V.; Casagrande, L.; Basu, S.; Campante, T. L.; Chaplin, W. J.; Huber, D.; Miglio, A.; Serenelli, A. M.

    2013-02-01

    Asteroseismology has been extremely successful in determining the properties of stars in different evolutionary stages with a remarkable level of precision. However, to fully exploit its potential, robust methods for estimating stellar parameters are required and independent verification of the results is needed. In this talk, I present a new technique developed to obtain stellar properties by coupling asteroseismic analysis with the infrared flux method. Using two global seismic observables and multi-band photometry, the technique determines masses, radii, effective temperatures, bolometric fluxes, and thus distances for field stars in a self-consistent manner. Applying our method to a sample of solar-like oscillators in the Kepler field that have accurate Hipparcos parallaxes, we find agreement in our distance determinations to better than 5 %. Comparison with measurements of spectroscopic effective temperatures and interferometric radii also validate our results, and show that our technique can be applied to stars evolved beyond the main-sequence phase.

  7. Determination of radium in water

    USGS Publications Warehouse

    Barker, Franklin Butt; Johnson, J.O.

    1964-01-01

    Radium isotopes are common radioactive constituents of natural waters. The concentration of radium-226 in potable water is of particular significance because this isotope is generally considered the most hazardous of all radionuclides with respect to ingestion. The approximate concentration of radium-226 is determined after coprecipitating radium with barium sulfate. The short-lived daughters of radium are allowed to grow for 10-12 days, then the alpha activity of the precipitate is measured and compared with that of a precipitate containing a known amount of radium-226. Concentrations of the individual alpha-emitting isotopes of radium-223, radium-224, and radium-226, are determined by coprecipitating radium first with lead sulfate, then with barium chloride, and finally with barium sulfate. This final precipitate is initially free of other alpha-emitting nuclides, thus permitting the isotopic composition to be determined by measuring the growth and decay of the alpha activity of the precipitate.

  8. Lessons for Inductive Germline Determination

    PubMed Central

    Seervai, Riyad N.H.; Wessel, Gary M.

    2015-01-01

    SUMMARY Formation of the germline in an embryo marks a fresh round of reproductive potential, yet the developmental stage and location within the embryo where the primordial germ cells (PGCs) form differs wildly among species. In most animals, the germline is formed either by an inherited mechanism, in which maternal provisions within the oocyte drive localized germ-cell fate once acquired in the embryo, or an inductive mechanism that involves signaling between cells that directs germ-cell fate. The inherited mechanism has been widely studied in model organisms such as Drosophila melanogaster, Caenorhabditis elegans, Xenopus laevis, and Danio rerio. Given the rapid generation time and the effective adaptation for laboratory research of these organisms, it is not coincidental that research on these organisms has led the field in elucidating mechanisms for germline specification. The inductive mechanism, however, is less well understood and is studied primarily in the mouse (Mus musculus). In this review, we compare and contrast these two fundamental mechanisms for germline determination, beginning with the key molecular determinants that play a role in the formation of germ cells across all animal taxa. We next explore the current understanding of the inductive mechanism of germ-cell determination in mice, and evaluate the hypotheses for selective pressures on these contrasting mechanisms. We then discuss the hypothesis that the transition between these determination mechanisms, which has happened many times in phylogeny, is more of a continuum than a binary change. Finally, we propose an analogy between germline determination and sex determination in vertebrates—two of the milestones of reproduction and development—in which animals use contrasting strategies to activate similar pathways. PMID:23450642

  9. Determinate-state convolutional codes

    NASA Technical Reports Server (NTRS)

    Collins, O.; Hizlan, M.

    1991-01-01

    A determinate state convolutional code is formed from a conventional convolutional code by pruning away some of the possible state transitions in the decoding trellis. The type of staged power transfer used in determinate state convolutional codes proves to be an extremely efficient way of enhancing the performance of a concatenated coding system. The decoder complexity is analyzed along with free distances of these new codes and extensive simulation results is provided of their performance at the low signal to noise ratios where a real communication system would operate. Concise, practical examples are provided.

  10. MEANS FOR DETERMINING CENTRIFUGE ALIGNMENT

    DOEpatents

    Smith, W.Q.

    1958-08-26

    An apparatus is presented for remotely determining the alignment of a centrifuge. The centrifage shaft is provided with a shoulder, upon which two followers ride, one for detecting radial movements, and one upon the shoulder face for determining the axial motion. The followers are attached to separate liquid filled bellows, and a tube connects each bellows to its respective indicating gage at a remote location. Vibrations produced by misalignment of the centrifuge shaft are transmitted to the bellows, and tbence through the tubing to the indicator gage. This apparatus is particularly useful for operation in a hot cell where the materials handled are dangerous to the operating personnel.

  11. Decoherence, determinism and chaos revisited

    SciTech Connect

    Noyes, H.P.

    1994-11-15

    We suggest that the derivation of the free space Maxwell Equations for classical electromagnetism, using a discrete ordered calculus developed by L.H. Kauffman and T. Etter, necessarily pushes the discussion of determinism in natural science down to the level of relativistic quantum mechanics and hence renders the mathematical phenomena studied in deterministic chaos research irrelevant to the question of whether the world investigated by physics is deterministic. We believe that this argument reinforces Suppes` contention that the issue of determinism versus indeterminism should be viewed as a Kantian antinomy incapable of investigation using currently available scientific tools.

  12. Determination of pyrotechnic functional margin

    NASA Technical Reports Server (NTRS)

    Bement, Laurence J.; Schimmel, Morry L.

    1993-01-01

    Following the failure of a previously qualified pyrotechnically actuated pin puller design, an investigation led to a redesign and requalification. The emphasis of the second qualification was placed on determining the functional margin of the pin puller by comparing the energy deliverable by the pyrotechnic cartridge to the energy required to accomplish the function. Also determined were the effects of functional variables. This paper describes the failure investigation, the test methods employed and the results of the evaluation, and provides a recommended approach to assure the successful functioning of pyrotechnic devices.

  13. Determination of pyrotechnic functional margin

    NASA Technical Reports Server (NTRS)

    Bement, Laurence J.; Schimmel, Morry L.

    1992-01-01

    Following the failure of a previously qualified pyrotechnically actuated pin puller design, an investigation led to a redesign and requalification. The emphasis of the second qualification was placed on determining the functional margin of the pin puller by comparing the energy deliverable by the pyrotechnic cartridge to the energy required to accomplish the function. Also determined were the effects of functional variables. This paper describes the failure investigation, the test methods employed and the results of the evaluation, and provides a recommended approach to assure the successful functioning of pyrotechnic devices.

  14. Self-Determination and Choice

    ERIC Educational Resources Information Center

    Wehmeyer, Michael L.; Abery, Brian H.

    2013-01-01

    Promoting self-determination and choice opportunities for people with intellectual and developmental disabilities has become best practice in the field. This article reviews the research and development activities conducted by the authors over the past several decades and provides a synthesis of the knowledge in the field pertaining to efforts to…

  15. Cesium Eluate Physical Property Determination

    SciTech Connect

    Baich, M.A.

    2001-02-13

    Two bench-scale process simulations of the proposed cesium eluate evaporation process of concentrating eluate produced in the Hanford Site Waste Treatment Plant were conducted. The primary objective of these experiments was to determine the physical properties and the saturation concentration of the eluate evaporator bottoms while producing condensate approximately 0.50 molar HN03.

  16. The Determinants of Pay Satisfaction

    ERIC Educational Resources Information Center

    Dyer, Lee; Theriault, Roland

    1976-01-01

    Through a study of American and Canadian managers, tested the utility of Lawler's model of the determinants of pay satisfaction and the value of adding to Lawler's model a category of variables for perceptions of pay-system administration. The study findings are then used to develop a modified model. For availability see EA 507 670. (Author/JG)

  17. Determining Salinity by Simple Means.

    ERIC Educational Resources Information Center

    Schlenker, Richard M.

    This paper describes the construction and use of a simple salinometer. The salinometer is composed, mainly, of a milliammeter and a battery and uses the measurement of current flow to determine the salinity of water. A complete list of materials is given, as are details of construction and operation of the equipment. The use of the salinometer in…

  18. Self-Determination: First Steps.

    ERIC Educational Resources Information Center

    Thompson, Morris

    The year 1974 marked the first full year in which the Bureau of Indian Affairs (BIA) officially embarked on a policy of advising and assisting American Indian tribes to assume the administration of their own affairs (self-determination). It seeks to strengthen and stabilize tribal governments while continuing to maintain and fulfill its trust…

  19. Determinants and Polynomial Root Structure

    ERIC Educational Resources Information Center

    De Pillis, L. G.

    2005-01-01

    A little known property of determinants is developed in a manner accessible to beginning undergraduates in linear algebra. Using the language of matrix theory, a classical result by Sylvester that describes when two polynomials have a common root is recaptured. Among results concerning the structure of polynomial roots, polynomials with pairs of…

  20. Formulas for determining rotational constants

    NASA Astrophysics Data System (ADS)

    Guelachvili, G.

    This document is part of Subvolume B `Linear Triatomic Molecules', Part 9, of Volume 20 `Molecular Constants mostly from Infrared Spectroscopy' of Landolt-Börnstein Group II `Molecules and Radicals'. Part of the introduction, it states formulas for determining rotational constants, band center, band origin, and quadrupole coupling. Specific comments relate to BHO (HBO) and COS (OCS).

  1. Inulin determination for food labeling.

    PubMed

    Zuleta, A; Sambucetti, M E

    2001-10-01

    Inulin and oligofructose exhibit valuable nutritional and functional attributes, so they are used as supplements as soluble fiber or as macronutrient substitutes. As classic analytical methods for dietary fiber measurement are not effective, several specific methods have been proposed. These methods measure total fructans and are based on one or more enzymatic sample treatments and determination of released sugars. To determine inulin for labeling purposes, we developed an easy and rapid anion-exchange high-performance liquid chromatography (HPLC) method following water extraction of inulin. HPLC conditions included an Aminex HPX- 87C column (Bio-Rad), deionized water at 85 degrees C as the mobile phase and a refractive index detector. The tested foods included tailor-made food products containing known amounts of inulin and commercial products (cookies, milk, ice creams, cheese, and cereal bars). The average recovery was 97%, and the coefficient of variation ranged from 1.1 to 5% in the food matrixes. The obtained results showed that this method provides an easier, faster and cheaper alternative than previous techniques for determining inulin with enough accuracy and precision for routine labeling purposes by direct determination of inulin by HPLC with refractive index detection. PMID:11599989

  2. Plasma digital density determining device

    DOEpatents

    Sprott, Julien C.; Lovell, Thomas W.; Holly, Donald J.

    1976-01-01

    The density of a decaying plasma in an electrically conducting enclosure is determined by applying an excitation to the cavity formed by the enclosure and counting digitally the number of resonant frequencies traversed by the combination of the cavity and the decaying plasma.

  3. Cohesin in determining chromosome architecture

    SciTech Connect

    Haering, Christian H.; Jessberger, Rolf

    2012-07-15

    Cells use ring-like structured protein complexes for various tasks in DNA dynamics. The tripartite cohesin ring is particularly suited to determine chromosome architecture, for it is large and dynamic, may acquire different forms, and is involved in several distinct nuclear processes. This review focuses on cohesin's role in structuring chromosomes during mitotic and meiotic cell divisions and during interphase.

  4. Self-Determination and Bilingualism

    ERIC Educational Resources Information Center

    Landry, Rodrigue; Allard, Real; Deveau, Kenneth

    2009-01-01

    This article focuses on additive bilingualism for minority group children, more specifically the development of strong literacy skills in English and in the children's language. The personal autonomization language learning (PALL) model is presented. It specifies eight testable hypotheses. Self-determination theory (SDT) is central in the PALL…

  5. Determining Readability with a Microcomputer.

    ERIC Educational Resources Information Center

    Kennedy, Keith

    1985-01-01

    Discusses history of the development of computer software to determine material readability and general design of readability software. Tables present summaries of: (1) parameters used by selected readability scales and their grade level applications; and (2) microcomputer software programs available, including readability techniques included in…

  6. Videos Determine the Moon's "g"

    ERIC Educational Resources Information Center

    Persson, J. R.; Hagen, J. E.

    2011-01-01

    Determining the acceleration of a free-falling object due to gravity is a standard experiment in physics. Different methods to do this have been developed over the years. This article discusses the use of video-analysis tools as another method. If there is a video available and a known scale it is possible to analyse the motion. The use of video…

  7. Means of determining extrusion temperatures

    DOEpatents

    McDonald, Robert E.; Canonico, Domenic A.

    1977-01-01

    In an extrusion process comprising the steps of fabricating a metal billet, heating said billet for a predetermined time and at a selected temperature to increase its plasticity and then forcing said heated billet through a small orifice to produce a desired extruded object, the improvement comprising the steps of randomly inserting a plurality of small metallic thermal tabs at different cross sectional depths in said billet as a part of said fabricating step, and examining said extruded object at each thermal tab location for determining the crystal structure at each extruded thermal tab thus revealing the maximum temperature reached during extrusion in each respective tab location section of the extruded object, whereby the thermal profile of said extruded object during extrusion may be determined.

  8. Low thrust orbit determination program

    NASA Technical Reports Server (NTRS)

    Hong, P. E.; Shults, G. L.; Huling, K. R.; Ratliff, C. W.

    1972-01-01

    Logical flow and guidelines are provided for the construction of a low thrust orbit determination computer program. The program, tentatively called FRACAS (filter response analysis for continuously accelerating spacecraft), is capable of generating a reference low thrust trajectory, performing a linear covariance analysis of guidance and navigation processes, and analyzing trajectory nonlinearities in Monte Carlo fashion. The choice of trajectory, guidance and navigation models has been made after extensive literature surveys and investigation of previous software. A key part of program design relied upon experience gained in developing and using Martin Marietta Aerospace programs: TOPSEP (Targeting/Optimization for Solar Electric Propulsion), GODSEP (Guidance and Orbit Determination for SEP) and SIMSEP (Simulation of SEP).

  9. Luminosity determination at proton colliders

    NASA Astrophysics Data System (ADS)

    Grafström, P.; Kozanecki, W.

    2015-03-01

    Luminosity is a key parameter in any particle collider, and its precise determination has proven particularly challenging at hadron colliders. After introducing the concept of luminosity in its multiple incarnations and offering a brief survey of the pp and p p bar colliders built to date, this article outlines the various methods that have been developed for relative-luminosity monitoring, as well as the complementary approaches considered for establishing an absolute luminosity scale. This is followed by a survey, from both a historical and a technical perspective, of luminosity determination at the ISR, the S p p ¯ S, the Tevatron, RHIC and the LHC. For each of these, we first delineate the interplay between the experimental context, the specificities of the accelerator, and the precision targets suggested by the physics program. We then detail how the different methods were applied to specific experimental environments and how successfully they meet the precision goals.

  10. [Immunochemical determination of human lactoferrin].

    PubMed

    German, G P; Lavrova, N V; Sherer, L A

    1983-09-01

    The immunochemically pure preparation of lactoferrin was isolated from human colostrum and used for the immunization of animals with a view of obtaining antiserum, and also as a reference preparation for the determination of the content of lactoferrin in the standard. The monospecific antiserum to lactoferrin, obtained as the result of this procedure, was used for the determination of the content of lactoferrin in samples of human milk by the method of radial immunodiffusion. Through the content of lactoferrin in human milk showed considerable fluctuations, its level essentially decreased on the second week of lactation. In cases of the microbial contamination of milk the tendency towards an increase in the content of lactoferrin was observed irrespective of the time of lactation. PMID:6415975

  11. Asteroid candidates for mass determination

    NASA Astrophysics Data System (ADS)

    Galád, A.

    2001-04-01

    The first 9511 numbered asteroids are studied in terms of their mutual closest approaches and encounter velocities during the period from November 6, 1967, to September 13, 2023. Several large asteroids (diameter 200 km and above) were (will be) encountered by smaller counterparts within a distance of 0.0200 AU. Thus, they are possible candidates for mass determination by the astrometrical method. Similarly, the search for effective perturbers is extended to even smaller asteroids for the much closer separation distance of 0.0020 AU and below. Only the simplified method for evaluation of observable effects on a perturbed body is used. Asteroid masses alone are not computed here. But a stronger criterion to reveal pairs for this purpose in comparison to some specially devoted papers should compensate for the difference and act as a reliable test. The best candidates for mass determination at present are asteroids (1), (2), (4), (10), (11), (24), (52) and (65). This list may be extended by at least (29) in the next 5 years and by many others in the next two decades. Several other strong perturbers from the last three decades are not included in the list, while there is still only a limited number of (or no) precise and reliable observations of perturbed asteroids before a close encounter. It seems that a perturbation by (10) is at least as effective as that by (2) and could be included in asteroid orbit determination in the future. Except for their bulk density determinations (knowing the size), the masses of perturbers could occasionally be used to improve the precision of the computed orbit for perturbed large-numbered and unnumbered asteroids as well.

  12. In-flight thrust determination

    NASA Technical Reports Server (NTRS)

    Abernethy, Robert B.; Adams, Gary R.; Ascough, John C.; Baer-Riedhart, Jennifer L.; Balkcom, George H.; Biesiadny, Thomas

    1986-01-01

    The major aspects of processes that may be used for the determination of in-flight thrust are reviewed. Basic definitions are presented as well as analytical and ground-test methods for gathering data and calculating the thrust of the propulsion system during the flight development program of the aircraft. Test analysis examples include a single-exhaust turbofan, an intermediate-cowl turbofan, and a mixed-flow afterburning turbofan.

  13. Determinism in synthesized chaotic waveforms.

    PubMed

    Corron, Ned J; Blakely, Jonathan N; Hayes, Scott T; Pethel, Shawn D

    2008-03-01

    The output of a linear filter driven by a randomly polarized square wave, when viewed backward in time, is shown to exhibit determinism at all times when embedded in a three-dimensional state space. Combined with previous results establishing exponential divergence equivalent to a positive Lyapunov exponent, this result rigorously shows that such reverse-time synthesized waveforms appear equally to have been produced by a deterministic chaotic system. PMID:18517561

  14. Range determination for scannerless imaging

    DOEpatents

    Muguira, Maritza Rosa; Sackos, John Theodore; Bradley, Bart Davis; Nellums, Robert

    2000-01-01

    A new method of operating a scannerless range imaging system (e.g., a scannerless laser radar) has been developed. This method is designed to compensate for nonlinear effects which appear in many real-world components. The system operates by determining the phase shift of the laser modulation, which is a physical quantity related physically to the path length between the laser source and the detector, for each pixel of an image.

  15. Method for determining gene knockouts

    DOEpatents

    Maranas, Costas D.; Burgard, Anthony R.; Pharkya, Priti

    2011-09-27

    A method for determining candidates for gene deletions and additions using a model of a metabolic network associated with an organism, the model includes a plurality of metabolic reactions defining metabolite relationships, the method includes selecting a bioengineering objective for the organism, selecting at least one cellular objective, forming an optimization problem that couples the at least one cellular objective with the bioengineering objective, and solving the optimization problem to yield at least one candidate.

  16. Method for determining gene knockouts

    DOEpatents

    Maranas, Costa D; Burgard, Anthony R; Pharkya, Priti

    2013-06-04

    A method for determining candidates for gene deletions and additions using a model of a metabolic network associated with an organism, the model includes a plurality of metabolic reactions defining metabolite relationships, the method includes selecting a bioengineering objective for the organism, selecting at least one cellular objective, forming an optimization problem that couples the at least one cellular objective with the bioengineering objective, and solving the optimization problem to yield at least one candidate.

  17. Gender determination from pulpal tissue

    PubMed Central

    Khorate, Manisha M.; Dhupar, Anita; Ahmed, Junaid; Dinkar, Ajit D.

    2014-01-01

    Objective: To evaluate the diagnostic performance of X (Barr body [BB]) and Y (F body [FB]) chromosomes observed in dental pulp tissue for gender determination of an individual. Materials and Methods: The study was carried out on 100 teeth (50 male and 50 female), which were indicated for extraction. The teeth were sectioned at various intervals (within 12 h to 49 days post-extraction), and the pulpal tissue was obtained. Two slides for each pulp tissue were prepared, one for 5% Quinacrine dihydrochloride stain (FB) and the other for Hemotoxylin and Eosin stain (BB). The slides were then observed under the fluorescent microscope for FB and under the light microscope for the BB respectively. Results: Gender determination from human pulp is possible up to 7 weeks. The percentage of FB and BB decrease gradually as the time interval increases. Further, an equation was derived from the data based on the canonical discriminant function coefficients. Conclusion: The determination of gender based on a joint search for the presence or absence of X (BB) and Y (FB) Chromosome is a reliable and cost-effective technique. PMID:25125918

  18. Meteorological determinants of air quality

    NASA Astrophysics Data System (ADS)

    Turoldo, F.; Del Frate, S.; Gallai, I.; Giaiotti, D. B.; Montanari, F.; Stel, F.; Goi, D.

    2010-09-01

    Air quality is the result of complex phenomena, among which the major role is played by human emissions of pollutants. Atmospheric processes act as determinants, e.g., modulating, dumping or amplifying the effects of emissions as an orchestra's director does with musical instruments. In this work, a series of small-scale and meso-scale meteorological determinants of air-quality are presented as they are observed in an area characterized by complex orography (Friuli Venezia Giulia, in the north-eastern side of Italy). In particular, attention is devoted to: i) meso-scale flows favouring the persistence of high concentrations of particulate matter; ii) meso-scale periodic flows (breezes) favouring high values of particulate matter; iii) local-scale thermodynamic behaviour favouring high atmospheric values of nitrogen oxides. The effects of these different classes of determinants are shown through comparisons between anthropic emissions (mainly traffic) and ground-based measurements. The relevance of complex orography (relatively steep relieves near to the sea) is shown for the meso-scale flows and, in particular, for local-scale periodic flows, which favour the increase of high pollutants concentrations mainly in summer, when the breezes regime is particularly relevant. Part of these results have been achieved through the ETS - Alpine Space EU project iMONITRAF!

  19. Determinism, indeterminism, and explanatory bias.

    PubMed

    Targett, M

    1997-12-01

    Actions are a subclass of human behaviours which are distinguished, on a modest view, by certain antecedent mental and neural processes and events, including desires and beliefs. Libertarian philosophies have taken a less modest view, according to which some actions come under the influence of individual persons in a way distinct from being the necessary effect of a sequence of psychoneural events. Determinism claims necessary connections between sequences of events and conditions, including those sequences that involve desires and beliefs and subsequent actions. Even if a certain interpretation of modern physics shows determinism to be false, the sense of personal influence over action which libertarians have remains obscure. It is not enlightened by the physicist's idea of inexplicable fluctuations between courses of events with greater or lesser probabilities. If libertarianism remains obscure, so do the grounds for an approach to explaining behaviour which might be called "explanatory individualism". According to the latter stance, the local outcomes of actions and larger social tendencies are only properly explained in terms of the choices of individuals, rather than, for example, their neural or environmental antecedents. Again, bare indeterminism will not help to supply the required grounds. A more justifiable stance is "explanatory pluralism", a doctrine which denies the intrinsic priority of individualistic modes of explanation over those which focus on psychoneural, environmental, social or genetic conditions. It is stressed that on a sensible pluralism, any determinism which correctly describes the history of actions would be no more "genetic", than indeterminism could be "individualistic". PMID:9421834

  20. 19 CFR 351.205 - Preliminary determination.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... determinations, postponement of preliminary determinations, notices of preliminary determinations, and the... its injury determination. (e) Postponement at the request of the petitioner. A petitioner must submit a request for postponement of the preliminary determination (see section 703(c)(1)(A) or section...

  1. Soil carbon determination by thermogravimetrics

    PubMed Central

    Pallasser, Robert; McBratney, Alex B.

    2013-01-01

    Determination of soil constituents and structure has a vital role in agriculture generally. Methods for the determination of soil carbon have in particular gained greater currency in recent times because of the potential that soils offer in providing offsets for greenhouse gas (CO2-equivalent) emissions. Ideally, soil carbon which can also be quite diverse in its makeup and origin, should be measureable by readily accessible, affordable and reliable means. Loss-on-ignition is still a widely used method being suitably simple and available but may have limitations for soil C monitoring. How can these limitations be better defined and understood where such a method is required to detect relatively small changes during soil-C building? Thermogravimetric (TGA) instrumentation to measure carbonaceous components has become more interesting because of its potential to separate carbon and other components using very precise and variable heating programs. TGA related studies were undertaken to assist our understanding in the quantification of soil carbon when using methods such as loss-on-ignition. Combining instrumentation so that mass changes can be monitored by mass spectrometer ion currents has elucidated otherwise hidden features of thermal methods enabling the interpretation and evaluation of mass-loss patterns. Soil thermogravimetric work has indicated that loss-on-ignition methods are best constrained to temperatures from 200 to 430 °C for reliable determination for soil organic carbon especially where clay content is higher. In the absence of C-specific detection where mass only changes are relied upon, exceeding this temperature incurs increasing contributions from inorganic sources adding to mass losses with diminishing contributions related to organic matter. The smaller amounts of probably more recalcitrant organic matter released at the higher temperatures may represent mineral associated material and/or simply more refractory forms. PMID:23638398

  2. Geostationary orbit determination using SATRE

    NASA Astrophysics Data System (ADS)

    Lei, Hui; Li, ZhiGang; Yang, XuHai; Wu, WenJun; Cheng, Xuan; Yang, Ying; Feng, ChuGang

    2011-09-01

    A new strategy of precise orbit determination (POD) for GEO (Geostationary Earth Orbit) satellite using SATRE (SAtellite Time and Ranging Equipment) is presented. Two observation modes are proposed and different channels of the same instruments are used to construct different observation modes, one mode receiving time signals from their own station and the other mode receiving time signals from each other for two stations called pairs of combined observations. Using data from such a tracking network in China, the results for both modes are compared. The precise orbit determination for the Sino-1 satellite using the data from 6 June 2005 to 13 June 2005 has been carried out in this work. The RMS (Root-Mean-Square) of observing residuals for 3-day solutions with the former mode is better than 9.1 cm. The RMS of observing residuals for 3-day solutions with the latter mode is better than 4.8 cm, much better than the former mode. Orbital overlapping (3-day orbit solution with 1-day orbit overlap) tests show that the RMS of the orbit difference for the former mode is 0.16 m in the radial direction, 0.53 m in the along-track direction, 0.97 m in the cross-track direction and 1.12 m in the 3-dimension position and the RMS of the orbit difference for the latter mode is 0.36 m in the radial direction, 0.89 m in the along-track direction, 1.18 m in the cross-track direction and 1.52 m in the 3-dimension position, almost the same as the former mode. All the experiments indicate that a meter-level accuracy of orbit determination for geostationary satellite is achievable.

  3. Determination of uranium in zircon

    USGS Publications Warehouse

    Cuttitta, F.; Daniels, G.J.

    1959-01-01

    A routine fluorimetric procedure is described for the determination of trace amounts of uranium in zircon. It employs the direct extraction of uranyl nitrate with ethyl acetate using phosphate as a retainer for zirconium. Submicrogram amounts or uranium are separated in the presence of 100,000 times the amount of zirconium. The modified procedure has been worked out using synthetic mixtures of known composition and zircon. Results of analyses have an accuracy of 97-98% of the contained uranium and a standard deviation of less than 2.5%. ?? 1959.

  4. Liquid chromatographic determination of water

    DOEpatents

    Fortier, N.E.; Fritz, J.S.

    1990-11-13

    A sensitive method for the determination of water in the presence of common interferences is presented. The detection system is based on the effect of water on the equilibrium which results from the reaction aryl aldehydes, such as cinnamaldehyde and methanol in the eluent to form cinnamaldehyde dimethylacetal, plus water. This equilibrium is shifted in a catalytic atmosphere of a hydrogen ion form past column reactor. The extent of the shift and the resulting change in absorbance are proportional to the amount of water present. 1 fig.

  5. Liquid chromatographic determination of water

    DOEpatents

    Fortier, Nancy E.; Fritz, James S.

    1990-11-13

    A sensitive method for the determination of water in the presence of common interferences is presented. The detection system is based on the effect of water on the equilibrium which results from the reaction aryl aldehydes, such as cinnamaldehyde and methanol in the eluent to form cinnamaldehyde dimethylacetal, plus water. This equilibrium is shifted in a catalytic atmosphere of a hydrogen ion form past column reactor. The extent of the shift and the resulting change in absorbance are proportional to the amount of water present.

  6. Calibration effects on orbit determination

    NASA Technical Reports Server (NTRS)

    Madrid, G. A.; Winn, F. B.; Zielenbach, J. W.; Yip, K. B.

    1974-01-01

    The effects of charged particle and tropospheric calibrations on the orbit determination (OD) process are analyzed. The calibration process consisted of correcting the Doppler observables for the media effects. Calibrated and uncalibrated Doppler data sets were used to obtain OD results for past missions as well as Mariner Mars 1971. Comparisons of these Doppler reductions show the significance of the calibrations. For the MM'71 mission, the media calibrations proved themselves effective in diminishing the overall B-plane error and reducing the Doppler residual signatures.

  7. Determinants of internet poker adoption.

    PubMed

    Philander, Kahlil S; Abarbanel, B Lillian

    2014-09-01

    In nearly all jurisdictions, adoption of a new form of gambling has been a controversial and contentious subject. Online gambling has been no different, though there are many aspects that affect online gambling that do not appear in the brick and mortar environment. This study seeks to identify whether demographic, economic, political, technological, and/or sociological determinants contribute to online poker gambling adoption. A theoretical discussion of these categories' importance to online poker is provided and exploratory empirical analysis is used to examine their potential validity. The analysis revealed support for all of the proposed categories of variables thought to be predictive of online gambling legality. PMID:23661279

  8. Methods to determine aerobic endurance.

    PubMed

    Bosquet, Laurent; Léger, Luc; Legros, Patrick

    2002-01-01

    Physiological testing of elite athletes requires the correct identification and assessment of sports-specific underlying factors. It is now recognised that performance in long-distance events is determined by maximal oxygen uptake (V(2 max)), energy cost of exercise and the maximal fractional utilisation of V(2 max) in any realised performance or as a corollary a set percentage of V(2 max) that could be endured as long as possible. This later ability is defined as endurance, and more precisely aerobic endurance, since V(2 max) sets the upper limit of aerobic pathway. It should be distinguished from endurance ability or endurance performance, which are synonymous with performance in long-distance events. The present review examines methods available in the literature to assess aerobic endurance. They are numerous and can be classified into two categories, namely direct and indirect methods. Direct methods bring together all indices that allow either a complete or a partial representation of the power-duration relationship, while indirect methods revolve around the determination of the so-called anaerobic threshold (AT). With regard to direct methods, performance in a series of tests provides a more complete and presumably more valid description of the power-duration relationship than performance in a single test, even if both approaches are well correlated with each other. However, the question remains open to determine which systems model should be employed among the several available in the literature, and how to use them in the prescription of training intensities. As for indirect methods, there is quantitative accumulation of data supporting the utilisation of the AT to assess aerobic endurance and to prescribe training intensities. However, it appears that: there is no unique intensity corresponding to the AT, since criteria available in the literature provide inconsistent results; and the non-invasive determination of the AT using ventilatory and heart rate

  9. Crystal face temperature determination means

    DOEpatents

    Nason, D.O.; Burger, A.

    1994-11-22

    An optically transparent furnace having a detection apparatus with a pedestal enclosed in an evacuated ampule for growing a crystal thereon is disclosed. Temperature differential is provided by a source heater, a base heater and a cold finger such that material migrates from a polycrystalline source material to grow the crystal. A quartz halogen lamp projects a collimated beam onto the crystal and a reflected beam is analyzed by a double monochromator and photomultiplier detection spectrometer and the detected peak position in the reflected energy spectrum of the reflected beam is interpreted to determine surface temperature of the crystal. 3 figs.

  10. Genetic modification and genetic determinism

    PubMed Central

    Resnik, David B; Vorhaus, Daniel B

    2006-01-01

    In this article we examine four objections to the genetic modification of human beings: the freedom argument, the giftedness argument, the authenticity argument, and the uniqueness argument. We then demonstrate that each of these arguments against genetic modification assumes a strong version of genetic determinism. Since these strong deterministic assumptions are false, the arguments against genetic modification, which assume and depend upon these assumptions, are therefore unsound. Serious discussion of the morality of genetic modification, and the development of sound science policy, should be driven by arguments that address the actual consequences of genetic modification for individuals and society, not by ones propped up by false or misleading biological assumptions. PMID:16800884

  11. Age determination for Ultracool Dwarfs .

    NASA Astrophysics Data System (ADS)

    Faherty, Jacqueline K.

    Brown dwarfs are notoriously difficult to age date as they lack stable hydrogen burning hence main-sequence star age-dating techniques are inapplicable for their masses. However precise and accurate ages for individual sources are required to determine masses and disentangle how secondary parameters such as differing metallicity, cloud structure and gravity impact observables. In this contribution, I review age-dating techniques for brown dwarfs as well as ``piggy-back" techniques that rely on co-moving, higher mass, main-sequence stars for which Gaia may substantially increase the sample.

  12. SOP - Determination of Requirement Density

    SciTech Connect

    Reynolds, John G.; Martz, Jr., Harry E.

    2010-10-26

    The purpose of this Standard Operating Procedure (SOP) is to give guidelines on how to determine the density of a sample that will be used as the requirement density. This will be the requirement density of record for the specimens examined by Micro CT and EDS measurements. This density will then be set as the formulation requirement for radiography measurements. This SOP is referred to in TP 48— Preparation of Hydrogen Peroxide/Icing Sugar Specimens for X-ray Measurements by J. G. Reynolds and H. E. Martz.

  13. Crystal structure determination of Efavirenz

    NASA Astrophysics Data System (ADS)

    Popeneciu, Horea; Tripon, Carmen; Borodi, Gheorghe; Pop, Mihaela Maria; Dumitru, Ristoiu

    2015-12-01

    Needle-shaped single crystals of the title compound, C14H9ClF3NO2, were obtained from a co-crystallization experiment of Efavirenz with maleic acid in a (1:1) ratio, using methanol as solvent. Crystal structure determination at room temperature revealed a significant anisotropy of the lattice expansion compared to the previously reported low-temperature structure. In both low- and room temperature structures the cyclopropylethynyl fragment in one of the asymmetric unit molecules is disordered. While at low-temperature only one C atom exhibits positional disorder, at room temperature the disorder is present for two C atoms of the cyclopropane ring.

  14. Structure determination of enterovirus 71

    SciTech Connect

    Plevka, Pavel; Perera, Rushika; Cardosa, Jane; Kuhn, Richard J.; Rossmann, Michael G.

    2013-02-20

    Enterovirus 71 is a picornavirus that causes hand, foot and mouth disease but may induce fatal neurological illness in infants and young children. Enterovirus 71 crystallized in a body-centered orthorhombic space group with two particles in general orientations in the crystallographic asymmetric unit. Determination of the particle orientations required that the locked rotation function excluded the twofold symmetry axes from the set of icosahedral symmetry operators. This avoided the occurrence of misleading high rotation-function values produced by the alignment of icosahedral and crystallographic twofold axes. Once the orientations and positions of the particles had been established, the structure was solved by molecular replacement and phase extension.

  15. COBE ground segment attitude determination

    NASA Technical Reports Server (NTRS)

    Kumar, V. K.; Freedman, I.; Wright, E. L.; Patt, F. S.

    1991-01-01

    The Cosmic Background Explorer (COBE) spacecraft was launched in November 1989 by NASA to survey the sky for primordial radiation left from the Big Bang explosion. The success of the mission requires an accurate determination of the spacecraft attitude. While the accuracy of the attitude obtained from the attitude sensors is adequate for two of the experiments, the higher accuracy required by the Diffuse Infrared Background Experiment (DIRBE) is obtained by using the DIRBE instrument as a special type of star sensor. Presented here is an overview of the attitude processing algorithms used at the Cosmology Data Analysis Center (CDAC) and the results obtained from the flight data.

  16. Kaguya Orbit Determination from JPL

    NASA Technical Reports Server (NTRS)

    Haw, Robert J.; Mottinger, N. A.; Graat, E. J.; Jefferson, D. C.; Park, R.; Menom, P.; Higa, E.

    2008-01-01

    Selene (re-named 'Kaguya' after launch) is an unmanned mission to the Moon navigated, in part, by JPL personnel. Launched by an H-IIA rocket on September 14, 2007 from Tanegashima Space Center, Kaguya entered a high, Earth-centered phasing orbit with apogee near the radius of the Moon's orbit. After 19 days and two orbits of Earth, Kaguya entered lunar orbit. Over the next 2 weeks the spacecraft decreased its apolune altitude until reaching a circular, 100 kilometer altitude orbit. This paper describes NASA/JPL's participation in the JAXA/Kaguya mission during that 5 week period, wherein JPL provided tracking data and orbit determination support for Kaguya.

  17. Determination of Silicon in Hydrazine

    NASA Technical Reports Server (NTRS)

    McClure, Mark B.; Mast, Dion; Greene, Ben; Maes, Miguel J.

    2006-01-01

    Inductively coupled plasma-mass spectrometry (ICP-MS) is a highly sensitive technique sometimes used for the trace determination of silicon at a mass-to-charge (m/z) ratio of 28, the most abundant natural isotope of silicon. Unfortunately, ICP-MS is unable to differentiate between other sources of m/z 28 and false positive results for silicon will result when other sources of m/z 28 are present. Nitrogen was a major source of m/z 28 and contributes to the m/z 28 signal when hydrazine sample or nitric acid preservative is introduced into the plasma. Accordingly, this work was performed to develop a sample preparation step coupled with an ICP-MS analysis that minimized non-silicon sources of m/z 28. In the preparatory step of this method, the hydrazine sample was first decomposed predominately to nitrogen gas and water with copper-catalyzed hydrogen peroxide. In the analysis step, ICP-MS was used without nitric acid preservative in samples or standards. Glass, a potential source of silicon contamination, was also avoided where possible. The method was sensitive, accurate, and reliable for the determination of silicon in monopropellant grade hydrazine (MPH) in AF-E-332 elastomer leaching tests. Results for silicon in MPH were comparable to those reported in the literature for other studies.

  18. 'Columbus's Method of Determining Longitude'

    NASA Astrophysics Data System (ADS)

    Pickering, Keith A.

    I am pleased to see that, in light of my critical evaluation, Arne B. Molander has reevaluated a number of points in his analysis, and has revised his proposals of Columbus's alleged use of the Moon for determining his longitude. However, it is disappointing that these latest proposals again do not seem to have been thoroughly considered.Since it is clear that Columbus's East which usually can be done whether or not the conjunction itself is visible. However, it is entirely unclear how such an observation can be converted into a longitude. Reading attentively, we can glean a few details of this process: only a single observation is required, since some positions are computed within a few hours of the purported observation; and Columbus apparently used the Ephemerides of Johann Miiller, since errors in that ephemeris are alleged to have caused errors in the computed longitude. In his 1992 paper, Mr Molander asserted that timing of the conjunction is not required by this method, because Columbus somehow utilizes the Moon's daily topocentric motion. But how this datum is utilized, and in fact all details of the longitude determination itself, are entirely obscure.

  19. Determination of a mutational spectrum

    DOEpatents

    Thilly, William G.; Keohavong, Phouthone

    1991-01-01

    A method of resolving (physically separating) mutant DNA from nonmutant DNA and a method of defining or establishing a mutational spectrum or profile of alterations present in nucleic acid sequences from a sample to be analyzed, such as a tissue or body fluid. The present method is based on the fact that it is possible, through the use of DGGE, to separate nucleic acid sequences which differ by only a single base change and on the ability to detect the separate mutant molecules. The present invention, in another aspect, relates to a method for determining a mutational spectrum in a DNA sequence of interest present in a population of cells. The method of the present invention is useful as a diagnostic or analytical tool in forensic science in assessing environmental and/or occupational exposures to potentially genetically toxic materials (also referred to as potential mutagens); in biotechnology, particularly in the study of the relationship between the amino acid sequence of enzymes and other biologically-active proteins or protein-containing substances and their respective functions; and in determining the effects of drugs, cosmetics and other chemicals for which toxicity data must be obtained.

  20. Emergent evolutionism, determinism and unpredictability.

    PubMed

    Sartenaer, Olivier

    2015-06-01

    The fact that there exist in nature thoroughly deterministic systems whose future behavior cannot be predicted, no matter how advanced or fined-tune our cognitive and technical abilities turn out to be, has been well established over the last decades or so, essentially in the light of two different theoretical frameworks, namely chaos theory and (some deterministic interpretation of) quantum mechanics. The prime objective of this paper is to show that there actually exists an alternative strategy to ground the divorce between determinism and predictability, a way that is older than-and conceptually independent from-chaos theory and quantum mechanics, and which has not received much attention in the recent philosophical literature about determinism. This forgotten strategy-embedded in the doctrine called "emergent evolutionism"-is nonetheless far from being a mere historical curiosity that should only draw the attention of philosophers out of their concern for comprehensiveness. It has been indeed recently revived in the works of respected scientists. PMID:26227232

  1. Determination of a mutational spectrum

    SciTech Connect

    Thilly, W.G.; Keohavong, P.

    1991-09-03

    A method is disclosed of resolving (physically separating) mutant DNA from nonmutant DNA. A method is also described of defining or establishing a mutational spectrum or profile of alterations present in nucleic acid sequences from a sample to be analyzed, such as a tissue or body fluid. The present method is based on the fact that it is possible, through the use of DGGE, to separate nucleic acid sequences which differ by only a single base change and on the ability to detect the separate mutant molecules. The present invention, in another aspect, relates to a method for determining a mutational spectrum in a DNA sequence of interest present in a population of cells. The method of the present invention is useful as a diagnostic or analytical tool in forensic science in assessing environmental and/or occupational exposures to potentially genetically toxic materials (also referred to as potential mutagens); in biotechnology, particularly in the study of the relationship between the amino acid sequence of enzymes and other biologically-active proteins or protein-containing substances and their respective functions; and in determining the effects of drugs, cosmetics and other chemicals for which toxicity data must be obtained. 3 figures.

  2. Gravity Probe B orbit determination

    NASA Astrophysics Data System (ADS)

    Shestople, P.; Ndili, A.; Hanuschak, G.; Parkinson, B. W.; Small, H.

    2015-11-01

    The Gravity Probe B (GP-B) satellite was equipped with a pair of redundant Global Positioning System (GPS) receivers used to provide navigation solutions for real-time and post-processed orbit determination (OD), as well as to establish the relation between vehicle time and coordinated universal time. The receivers performed better than the real-time position requirement of 100 m rms per axis. Post-processed solutions indicated an rms position error of 2.5 m and an rms velocity error of 2.2 mm s-1. Satellite laser ranging measurements provided independent verification of the GPS-derived GP-B orbit. We discuss the modifications and performance of the Trimble Advance Navigation System Vector III GPS receivers. We describe the GP-B precision orbit and detail the OD methodology, including ephemeris errors and the laser ranging measurements.

  3. Some determiners of attention1

    PubMed Central

    Johnson, Daniel F.; Cumming, William W.

    1968-01-01

    Three experiments, using a total of 13 pigeons, examined the stimulus control acquired by the separate components of a compound visual stimulus transilluminating the pecking key. Experiment I measured the control acquired by components of compound discriminative stimuli used in discrimination training. Experiment II sought to demonstrate the effect of pretraining a single stimulus discrimination on control acquired by each component in a compound stimulus discrimination. It also investigated the effect of training the compound stimulus discrimination before the single stimulus discrimination. Experiment III sought a continuous stimulus control function when pretraining stimulus intensities were varied. The results suggest that the extent to which a bird “pays attention” to a stimulus, defined in terms of the degree of stimulus control acquired by that stimulus, is determined by how well it previously learned to discriminate that stimulus from other stimuli. PMID:5645872

  4. Determinants of Mammalian Nucleolar Architecture

    PubMed Central

    Farley, Katherine I.; Surovtseva, Yulia; Merkel, Janie; Baserga, Susan J.

    2015-01-01

    The nucleolus is responsible for the production of ribosomes, essential machines which synthesize all proteins needed by the cell. The structure of human nucleoli is highly dynamic and is directly related to its functions in ribosome biogenesis. Despite the importance of this organelle, the intricate relationship between nucleolar structure and function remains largely unexplored. How do cells control nucleolar formation and function? What are the minimal requirements for making a functional nucleolus? Here we review what is currently known regarding mammalian nucleolar formation at nucleolar organizer regions (NORs), which can be studied by observing the dissolution and reformation of the nucleolus during each cell division. Additionally, the nucleolus can be examined by analyzing how alterations in nucleolar function manifest in differences in nucleolar architecture. Furthermore, changes in nucleolar structure and function are correlated with cancer, highlighting the importance of studying the determinants of nucleolar formation. PMID:25670395

  5. Detecting determinism from point processes

    NASA Astrophysics Data System (ADS)

    Andrzejak, Ralph G.; Mormann, Florian; Kreuz, Thomas

    2014-12-01

    The detection of a nonrandom structure from experimental data can be crucial for the classification, understanding, and interpretation of the generating process. We here introduce a rank-based nonlinear predictability score to detect determinism from point process data. Thanks to its modular nature, this approach can be adapted to whatever signature in the data one considers indicative of deterministic structure. After validating our approach using point process signals from deterministic and stochastic model dynamics, we show an application to neuronal spike trains recorded in the brain of an epilepsy patient. While we illustrate our approach in the context of temporal point processes, it can be readily applied to spatial point processes as well.

  6. Perception determinants in learning mathematics

    NASA Astrophysics Data System (ADS)

    Mokhtar, Siti Fairus; Ali, Noor Rasidah; Rashid, Nurazlina Abdul

    2015-05-01

    This article described a statistical study of students' perception in mathematics. The objective of this study is to identify factors related to perception about learning mathematics among non mathematics' student. This study also determined the relationship between of these factors among non mathematics' student. 43 items questionnaires were distributed to one hundred students in UiTM Kedah who enrolled in the Business Mathematics course. These items were measured by using a semantic scale with the following anchors: 1 = strongly disagree to 7 = strongly agree. A factor analysis of respondents were identified into five factors that influencing the students' perception in mathematics. In my study, factors identified were attitude, interest, role of the teacher, role of peers and usefulness of mathematics that may relate to the perception about learning mathematics among non mathematics' student.

  7. Crystal face temperature determination means

    DOEpatents

    Nason, Donald O.; Burger, Arnold

    1994-01-01

    An optically transparent furnace (10) having a detection apparatus (29) with a pedestal (12) enclosed in an evacuated ampule (16) for growing a crystal (14) thereon. Temperature differential is provided by a source heater (20), a base heater (24) and a cold finger (26) such that material migrates from a polycrystalline source material (18) to grow the crystal (14). A quartz halogen lamp (32) projects a collimated beam (30) onto the crystal (14) and a reflected beam (34) is analyzed by a double monochromator and photomultiplier detection spectrometer (40) and the detected peak position (48) in the reflected energy spectrum (44) of the reflected beam (34) is interpreted to determine surface temperature of the crystal (14).

  8. Seasat. Volume 4: Attitude determination

    NASA Technical Reports Server (NTRS)

    Treder, A. J.

    1980-01-01

    The Seasat project was a feasibility demonstration of the use of orbital remote sensing for global ocean observation. The satellite was launched in June 1978 and was operated successfully until October 1978. A massive electrical failure occurred in the power system, terminating the mission prematurely. The actual implementation of the Seasat Attitude Determination system and the contents of the attitude data files generated by that system are documented. The deviations from plan caused by the anomalous Sun interference with horizon sensors, inflight calibration of Sun sensor head 2 alignment and horizon sensor biomass, estimation of yaw interpolation parameters, Sun and horizon sensor error sources, and yaw interpolation accuracy are included. Examples are given of flight attitude data from all modes of the Orbital Attitude Control System, of the ground processing effects on attitude data, and of cold cloud effects on pitch, and roll data.

  9. T-Cell Lineage Determination

    PubMed Central

    Yang, Qi; Bell, J. Jeremiah; Bhandoola, Avinash

    2010-01-01

    Summary T cells originate from hematopoietic stem cells (HSCs) in the bone marrow but complete their development in the thymus. HSCs give rise to a variety of non-renewing hematopoietic progenitors, among which a rare subset migrates to the thymus via the bloodstream. The earliest T-cell progenitors identified in the thymus are not T-lineage restricted but possess the ability to give rise to cells of many different lineages. Alternative lineage potentials are gradually lost as progenitors progress towards later developmental stages. Here, we review the early developmental events that might be involved in T-cell lineage fate determination, including the properties of possible thymus settling progenitors, their homing into the thymus, and their T-cell lineage specification and commitment. PMID:20969581

  10. Mars Science Laboratory Orbit Determination

    NASA Technical Reports Server (NTRS)

    Kruizinga, Gerhard; Gustafson, Eric; Jefferson, David; Martin-Mur, Tomas; Mottinger, Neil; Pelletier, Fred; Ryne, Mark; Thompson, Paul

    2012-01-01

    Mars Science Laboratory (MSL) Orbit Determination (OD) met all requirements with considerable margin, MSL OD team developed spin signature removal tool and successfully used the tool during cruise, A novel approach was used for the MSL solar radiation pressure model and resulted in a very accurate model during the approach phase, The change in velocity for Attitude Control System (ACS) turns was successfully calibrated and with appropriate scale factor resulted in improved change in velocity prediction for future turns, All Trajectory Correction Maneuvers were successfully reconstructed and execution errors were well below the assumed pre-fight execution errors, The official OD solutions were statistically consistent throughout cruise and for OD solutions with different arc lengths as well, Only EPU-1 was sent to MSL. All other Entry Parameter Updates were waived, EPU-1 solution was only 200 m separated from final trajectory reconstruction in the B-plane

  11. DETERMINATION OF SPECIFIC NEUTRONIC REACTIVITY

    DOEpatents

    Dessauer, G.

    1960-05-10

    A method is given for production-line determination of the specific neutronic reactivity of such objects as individual nuclear fuel or neutron absorber elements and is notable for rapidity and apparatus simplicity. The object is incorporated in a slightly sub-critical chain fission reactive assembly having a discrete neutron source, thereby establishing a K/sub eff/ within the crucial range of 0.95 to 0.995. The range was found to afford, uniquely, flux- transient damped response in a niatter of seconds simultaneously with acceptable analytical sensitivity. The resulting neutron flux measured at a situs spaced from both object and source within the assembly serves as a calibrable indication of said reactivity.

  12. Methods for sperm concentration determination.

    PubMed

    Björndahl, Lars

    2013-01-01

    Proper assessment of the number of spermatozoa is essential not only as an initial step in every clinical infertility investigation [Björndahl et al (2010) A practical guide to basic laboratory andrology, 1st edn. Cambridge University Press, Cambridge] but also when attempting to establish the total sperm production in the testis [Amann (Hum Reprod 25:22-28, 2010); Amann (J Androl 30:626-641, 2009); Amann and Chapman (J Androl 30:642-649, 2009)]. Reliable methods combined with an understanding of the specific physiology involved as well as the main sources of errors related to the assessment of sperm concentration are critical for ensuring accurate concentration determination [Björndahl et al (2010) A practical guide to basic laboratory andrology, 1st edn. Cambridge University Press, Cambridge; World Health Organization (2010) WHO laboratory manual for the examination and processing of human semen. WHO, Geneva]. This chapter therefore focuses on these three aspects. PMID:22992898

  13. Attitude Determination Improvements for GOES

    NASA Technical Reports Server (NTRS)

    Crassidis, John L.; Markley, F. Landis; Kyle, Arthur M.; Kull, Kathie

    1996-01-01

    In this paper, a summary of the basic simulation parameters and results of a new study for the Geostationary Operational Environmental Satellite (GOES) is shown. The study for GOES involves the simulation of minor modifications to the current spacecraft, so that the relative performance of these modifications can be analyzed. The first modification studies requires the placement of a baseline inertial reference unit, such as the Dry Rotor Inertial Reference Unit or the Hemispherical Resonator Gyro onto the spacecraft. The imager/sounder assembly is currently used to obtain landmark and/or star observations in order to compensate for spacecraft motion and external disturbances through ground processing. The study uses the imager/sounder assembly as another attitude sensor for on-board attitude determination. Also the addition of star trackers is used to provide precise attitude knowledge.

  14. Prospective errors determine motor learning.

    PubMed

    Takiyama, Ken; Hirashima, Masaya; Nozaki, Daichi

    2015-01-01

    Diverse features of motor learning have been reported by numerous studies, but no single theoretical framework concurrently accounts for these features. Here, we propose a model for motor learning to explain these features in a unified way by extending a motor primitive framework. The model assumes that the recruitment pattern of motor primitives is determined by the predicted movement error of an upcoming movement (prospective error). To validate this idea, we perform a behavioural experiment to examine the model's novel prediction: after experiencing an environment in which the movement error is more easily predictable, subsequent motor learning should become faster. The experimental results support our prediction, suggesting that the prospective error might be encoded in the motor primitives. Furthermore, we demonstrate that this model has a strong explanatory power to reproduce a wide variety of motor-learning-related phenomena that have been separately explained by different computational models. PMID:25635628

  15. [Determination of amanitatoxins by HPLC].

    PubMed

    Nishizawa, Chiemi; Yamaura, Yoshio

    2003-10-01

    High-performance liquid chromatographic (HPLC) assay has been developed for the simultaneous determination of alpha-amanitin, beta-amanitin and phalloidin in serum. Three toxins were extracted by reflux in a water bath at 80 degrees C for one hour and purified by Sep-Pak Plus tC18 cartridges. The HPLC assay was performed under gradient conditions using Develosil RP AQUEOUS column. The moble phase consisted with a mixture of acetonitorile containing 0.01 M ammonium acetate(pH 5.0). The column effluence was monitored at 295 nm, 302 nm and 230 nm for 35 min. Detection limit of three toxins in serum were 0.2 microgram/ml respectively. High recovery yields in the range of 81.5-88.1% for toxins were obtained by using this method. PMID:14740566

  16. Crystal structure determination of Efavirenz

    SciTech Connect

    Popeneciu, Horea Dumitru, Ristoiu; Tripon, Carmen Borodi, Gheorghe Pop, Mihaela Maria

    2015-12-23

    Needle-shaped single crystals of the title compound, C{sub 14}H{sub 9}ClF{sub 3}NO{sub 2}, were obtained from a co-crystallization experiment of Efavirenz with maleic acid in a (1:1) ratio, using methanol as solvent. Crystal structure determination at room temperature revealed a significant anisotropy of the lattice expansion compared to the previously reported low-temperature structure. In both low- and room temperature structures the cyclopropylethynyl fragment in one of the asymmetric unit molecules is disordered. While at low-temperature only one C atom exhibits positional disorder, at room temperature the disorder is present for two C atoms of the cyclopropane ring.

  17. Field method for sulfide determination

    SciTech Connect

    Wilson, B L; Schwarser, R R; Chukwuenye, C O

    1982-01-01

    A simple and rapid method was developed for determining the total sulfide concentration in water in the field. Direct measurements were made using a silver/sulfide ion selective electrode in conjunction with a double junction reference electrode connected to an Orion Model 407A/F Specific Ion Meter. The method also made use of a sulfide anti-oxidant buffer (SAOB II) which consists of ascorbic acid, sodium hydroxide, and disodium EDTA. Preweighed sodium sulfide crystals were sealed in air tight plastic volumetric flasks which were used in standardization process in the field. Field standards were prepared by adding SAOB II to the flask containing the sulfide crystals and diluting it to the mark with deionized deaerated water. Serial dilutions of the standards were used to prepare standards of lower concentrations. Concentrations as low as 6 ppB were obtained on lake samples with a reproducibility better than +- 10%.

  18. Social determinants and osteoarthritis outcomes

    PubMed Central

    Luong, My-Linh N; Cleveland, Rebecca J; Nyrop, Kirsten A; Callahan, Leigh F

    2012-01-01

    Osteoarthritis (OA) is one of the most frequently occurring musculoskeletal diseases, posing a significant public health problem due to its impact on pain and disability. Traditional risk factors fail to account for all of the risk observed for OA outcomes. In recent years, our view of disease causation has broadened to include health risks that are created by an individual’s socioeconomic circumstances. Early research into social determinants has focused on social position and explored factors related to the individual such as education, income and occupation. Results from these investigations suggest that low education attainment and nonprofessional occupation are associated with poorer arthritis outcomes. More recently, research has expanded to examine how one’s neighborhood socioeconomic environment may be relevant to OA outcomes. This narrative review proposes a framework to help guide our understanding of how social context may interact with pathophysiological processes and individual-level variables to influence health outcomes in those living with OA. PMID:23243459

  19. 40 CFR 1066.635 - NMOG determination.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... determining fuel economy and CREE under 40 CFR part 600 for testing with ethanol-gasoline blends that have up... and carbonyls as described in 40 CFR 1065.805 and 1065.845. Use good engineering judgment to determine... determined in 40 CFR 1065.845. (b) The following example shows how to determine NMOG as described...

  20. 20 CFR 416.1207 - Resources determinations.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 20 Employees' Benefits 2 2011-04-01 2011-04-01 false Resources determinations. 416.1207 Section..., BLIND, AND DISABLED Resources and Exclusions § 416.1207 Resources determinations. (a) General. Resources determinations are made as of the first moment of the month. A resource determination is based on what assets...

  1. 20 CFR 416.1207 - Resources determinations.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... 20 Employees' Benefits 2 2014-04-01 2014-04-01 false Resources determinations. 416.1207 Section..., BLIND, AND DISABLED Resources and Exclusions § 416.1207 Resources determinations. (a) General. Resources determinations are made as of the first moment of the month. A resource determination is based on what assets...

  2. 20 CFR 416.1207 - Resources determinations.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... 20 Employees' Benefits 2 2013-04-01 2013-04-01 false Resources determinations. 416.1207 Section..., BLIND, AND DISABLED Resources and Exclusions § 416.1207 Resources determinations. (a) General. Resources determinations are made as of the first moment of the month. A resource determination is based on what assets...

  3. 20 CFR 416.1207 - Resources determinations.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 20 Employees' Benefits 2 2010-04-01 2010-04-01 false Resources determinations. 416.1207 Section..., BLIND, AND DISABLED Resources and Exclusions § 416.1207 Resources determinations. (a) General. Resources determinations are made as of the first moment of the month. A resource determination is based on what assets...

  4. 20 CFR 416.1207 - Resources determinations.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... 20 Employees' Benefits 2 2012-04-01 2012-04-01 false Resources determinations. 416.1207 Section..., BLIND, AND DISABLED Resources and Exclusions § 416.1207 Resources determinations. (a) General. Resources determinations are made as of the first moment of the month. A resource determination is based on what assets...

  5. 20 CFR 405.101 - Disability determinations.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 20 Employees' Benefits 2 2011-04-01 2011-04-01 false Disability determinations. 405.101 Section... ADJUDICATING INITIAL DISABILITY CLAIMS Initial Determinations § 405.101 Disability determinations. The State... this chapter or both. The disability examiner will make a determination based on all of the...

  6. 20 CFR 405.101 - Disability determinations.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 20 Employees' Benefits 2 2010-04-01 2010-04-01 false Disability determinations. 405.101 Section... ADJUDICATING INITIAL DISABILITY CLAIMS Initial Determinations § 405.101 Disability determinations. The State... this chapter or both. The disability examiner will make a determination based on all of the...

  7. Nondestructive Determination of Bond Strength

    NASA Technical Reports Server (NTRS)

    2000-01-01

    Although many nondestructive techniques have been applied to detect disbonds in adhesive joints, no absolutely reliable nondestructive method has been developed to detect poor adhesion and evaluate the strength of bonded joints prior to the present work which used nonlinear ultrasonic methods to investigate adhesive bond cure conditions. Previously, a variety of linear and nonlinear ultrasonic methods with water coupling had been used to study aluminum-adhesive-aluminum laminates, prepared under different adhesive curing conditions, for possible bond strength determination. Therefore, in the course of this research effort, a variety of finite-amplitude experimental methods which could possibly differentiate various cure conditions were investigated, including normal and oblique incidence approaches based on nonlinear harmonic generation as well as several non-collinear two-wave interaction approaches. Test samples were mechanically scanned in various ways with respect to the focus of a transmitting transducer operated at several variable excitation frequencies and excitation levels. Even when powerful sample-related resonances were exploited by means of a frequency scanning approach, it was very difficult to isolate the nonlinear characteristics of adhesive bonds. However, a multi-frequency multi-power approach was quite successful and reliable. Ultrasonic tone burst signals at increasing power levels, over a wide frequency range, were transmitted through each bond specimen to determine its excitation dependent nonlinear harmonic resonance behavior. Relative amplitude changes were observed particularly in the higher harmonic spectral data and analyzed using a local displacement and strain analysis in the linear approximation. Two analysis approaches of the excitation-dependent data at specific resonances were found to be quite promising. One of these approaches may represent a very robust algorithm for classifying an adhesive bond as being properly cured or not

  8. Determinants of children's eating behavior.

    PubMed

    Scaglioni, Silvia; Arrizza, Chiara; Vecchi, Fiammetta; Tedeschi, Sabrina

    2011-12-01

    Parents have a high degree of control over the environments and experiences of their children. Food preferences are shaped by a combination of genetic and environmental factors. This article is a review of current data on effective determinants of children's eating habits. The development of children's food preferences involves a complex interplay of genetic, familial, and environmental factors. There is evidence of a strong genetic influence on appetite traits in children, but environment plays an important role in modeling children's eating behaviors. Parents use a variety of strategies to influence children's eating habits, some of which are counterproductive. Overcontrol, restriction, pressure to eat, and a promise of rewards have negative effects on children's food acceptance. Parents' food preferences and eating behaviors provide an opportunity to model good eating habits. Satiety is closely related to diet composition, and foods with low energy density contribute to prevent overeating. Parents should be informed about the consequences of an unhealthy diet and lifestyle and motivated to change their nutritional habits. Parents should be the target of prevention programs because children model themselves on their parents' eating behaviors, lifestyles, eating-related attitudes, and dissatisfaction regarding body image. Pediatricians can have an important role in the prevention of diet-related diseases. Informed and motivated parents can become a model for children by offering a healthy, high-satiety, low-energy-dense diet and promoting self-regulation from the first years of life. PMID:22089441

  9. Chromosomal instability determines taxane response

    PubMed Central

    Swanton, Charles; Nicke, Barbara; Schuett, Marion; Eklund, Aron C.; Ng, Charlotte; Li, Qiyuan; Hardcastle, Thomas; Lee, Alvin; Roy, Rajat; East, Philip; Kschischo, Maik; Endesfelder, David; Wylie, Paul; Kim, Se Nyun; Chen, Jie-Guang; Howell, Michael; Ried, Thomas; Habermann, Jens K.; Auer, Gert; Brenton, James D.; Szallasi, Zoltan; Downward, Julian

    2009-01-01

    Microtubule-stabilizing (MTS) agents, such as taxanes, are important chemotherapeutics with a poorly understood mechanism of action. We identified a set of genes repressed in multiple cell lines in response to MTS agents and observed that these genes are overexpressed in tumors exhibiting chromosomal instability (CIN). Silencing 22/50 of these genes, many of which are involved in DNA repair, caused cancer cell death, suggesting that these genes are involved in the survival of aneuploid cells. Overexpression of these “CIN-survival” genes is associated with poor outcome in estrogen receptor–positive breast cancer and occurs frequently in basal-like and Her2-positive cases. In diploid cells, but not in chromosomally unstable cells, paclitaxel causes repression of CIN-survival genes, followed by cell death. In the OV01 ovarian cancer clinical trial, a high level of CIN was associated with taxane resistance but carboplatin sensitivity, indicating that CIN may determine MTS response in vivo. Thus, pretherapeutic assessment of CIN may optimize treatment stratification and clinical trial design using these agents. PMID:19458043

  10. Chromosomal instability determines taxane response.

    PubMed

    Swanton, Charles; Nicke, Barbara; Schuett, Marion; Eklund, Aron C; Ng, Charlotte; Li, Qiyuan; Hardcastle, Thomas; Lee, Alvin; Roy, Rajat; East, Philip; Kschischo, Maik; Endesfelder, David; Wylie, Paul; Kim, Se Nyun; Chen, Jie-Guang; Howell, Michael; Ried, Thomas; Habermann, Jens K; Auer, Gert; Brenton, James D; Szallasi, Zoltan; Downward, Julian

    2009-05-26

    Microtubule-stabilizing (MTS) agents, such as taxanes, are important chemotherapeutics with a poorly understood mechanism of action. We identified a set of genes repressed in multiple cell lines in response to MTS agents and observed that these genes are overexpressed in tumors exhibiting chromosomal instability (CIN). Silencing 22/50 of these genes, many of which are involved in DNA repair, caused cancer cell death, suggesting that these genes are involved in the survival of aneuploid cells. Overexpression of these "CIN-survival" genes is associated with poor outcome in estrogen receptor-positive breast cancer and occurs frequently in basal-like and Her2-positive cases. In diploid cells, but not in chromosomally unstable cells, paclitaxel causes repression of CIN-survival genes, followed by cell death. In the OV01 ovarian cancer clinical trial, a high level of CIN was associated with taxane resistance but carboplatin sensitivity, indicating that CIN may determine MTS response in vivo. Thus, pretherapeutic assessment of CIN may optimize treatment stratification and clinical trial design using these agents. PMID:19458043

  11. Significant biases affecting abundance determinations

    NASA Astrophysics Data System (ADS)

    Wesson, Roger

    2015-08-01

    I have developed two highly efficient codes to automate analyses of emission line nebulae. The tools place particular emphasis on the propagation of uncertainties. The first tool, ALFA, uses a genetic algorithm to rapidly optimise the parameters of gaussian fits to line profiles. It can fit emission line spectra of arbitrary resolution, wavelength range and depth, with no user input at all. It is well suited to highly multiplexed spectroscopy such as that now being carried out with instruments such as MUSE at the VLT. The second tool, NEAT, carries out a full analysis of emission line fluxes, robustly propagating uncertainties using a Monte Carlo technique.Using these tools, I have found that considerable biases can be introduced into abundance determinations if the uncertainty distribution of emission lines is not well characterised. For weak lines, normally distributed uncertainties are generally assumed, though it is incorrect to do so, and significant biases can result. I discuss observational evidence of these biases. The two new codes contain routines to correctly characterise the probability distributions, giving more reliable results in analyses of emission line nebulae.

  12. Oxisterol determination in selected coffees.

    PubMed

    Turchetto, E; Lercker, G; Bortolomeazzi, R

    1993-01-01

    The main aim of green-coffee processing techniques, such as decaffeination and roasting, is always to maintain a very high level of quality in taste and flavor, the beverage's most important characteristics to consumers. Oxidative alterations of coffee lipids, which can occur in roasting, exert a very marked influence on these quality traits. Determining the extent of oxidation thus can provide an indication of the product's potential shelf-life and reveal traces of any newly-formed oxidative products that might prove nutritionally unsafe. Yet, while much attention has recently been focused on certain by-products induced by cholesterol oxidation and their proven toxicity as risk factors in atherosclerosis and cancer, oxidated phytosterols have largely gone unnoticed, being considered along with beta-sitosterol as not very dangerous in that neither is absorbed by the intestinal tract. The present study investigates the substances derived from phytosterol oxidation (oxisterols) in samples of regular and decaffeinated commercial coffees. The findings show that oxisterols were absent in some samples and that the traces of oxidate phytosterols detected in others were well below the threshold considered as toxicologically active. PMID:8367891

  13. Structural determinants of limited proteolysis.

    PubMed

    Kazanov, Marat D; Igarashi, Yoshinobu; Eroshkin, Alexey M; Cieplak, Piotr; Ratnikov, Boris; Zhang, Ying; Li, Zhanwen; Godzik, Adam; Osterman, Andrei L; Smith, Jeffrey W

    2011-08-01

    Limited or regulatory proteolysis plays a critical role in many important biological pathways like blood coagulation, cell proliferation, and apoptosis. A better understanding of mechanisms that control this process is required for discovering new proteolytic events and for developing inhibitors with potential therapeutic value. Two features that determine the susceptibility of peptide bonds to proteolysis are the sequence in the vicinity of the scissile bond and the structural context in which the bond is displayed. In this study, we assessed statistical significance and predictive power of individual structural descriptors and combination thereof for the identification of cleavage sites. The analysis was performed on a data set of >200 proteolytic events documented in CutDB for a variety of mammalian regulatory proteases and their physiological substrates with known 3D structures. The results confirmed the significance and provided a ranking within three main categories of structural features: exposure > flexibility > local interactions. Among secondary structure elements, the largest frequency of proteolytic cleavage was confirmed for loops and lower but significant frequency for helices. Limited proteolysis has lower albeit appreciable frequency of occurrence in certain types of β-strands, which is in contrast with some previous reports. Descriptors deduced directly from the amino acid sequence displayed only marginal predictive capabilities. Homology-based structural models showed a predictive performance comparable to protein substrates with experimentally established structures. Overall, this study provided a foundation for accurate automated prediction of segments of protein structure susceptible to proteolytic processing and, potentially, other post-translational modifications. PMID:21682278

  14. Structural determinants of limited proteolysis

    PubMed Central

    Kazanov, Marat D.; Igarashi, Yoshinobu; Eroshkin, Alexey M.; Cieplak, Piotr; Ratnikov, Boris; Zhang, Ying; Li, Zhanwen; Godzik, Adam; Osterman, Andrei L.; Smith1, Jeffrey W.

    2011-01-01

    Limited or regulatory proteolysis plays a critical role in many important biological pathways like blood coagulation, cell proliferation, and apoptosis. A better understanding of mechanisms that control this process is required for discovering new proteolytic events and for developing inhibitors with potential therapeutic value. Two features that determine the susceptibility of peptide bonds to proteolysis are the sequence in the vicinity of the scissile bond and the structural context in which the bond is displayed. In this study we assessed statistical significance and predictive power of individual structural descriptors and combination thereof for the identification of cleavage sites. The analysis was performed on a dataset of >200 proteolytic events documented in CutDB for a variety of mammalian regulatory proteases and their physiological substrates with known 3D structures. The results confirmed the significance and provided a ranking within three main categories of structural features: exposure > flexibility > local interactions. Among secondary structure elements, the largest frequency of proteolytic cleavage was confirmed for loops and lower but significant frequency for helices. Limited proteolysis has lower albeit appreciable frequency of occurrence in certain types of β-strands, which is in contrast with some previous reports. Descriptors deduced directly from the amino acid sequence displayed only marginal predictive capabilities. Homology-based structural models showed a predictive performance comparable to protein substrates with experimentally established structures. Overall, this study provided a foundation for accurate automated prediction of segments of protein structure susceptible to proteolytic processing and, potentially, other post-translational modifications. PMID:21682278

  15. Presence: concept, determinants, and measurement

    NASA Astrophysics Data System (ADS)

    IJsselsteijn, Wijnand A.; de Ridder, Huib; Freeman, Jonathan; Avons, Steve E.

    2000-06-01

    The concept of presence, i.e. the sensation of 'being there' in a mediated environment, has received substantial attention from the virtual reality community, and is becoming increasingly relevant both to broadcasters and display developers. Although research into presence is still at an early stage of development, there is a consensus that presence has multiple determinants. To identify and test which parameters affect presence, a reliable, robust and valid means of measuring presence is required. In this paper, we describe the categories of factors thought to have an impact on presence. Furthermore, we present an overview of various approaches taken to measuring presence, which can be divided into two general categories: subjective measures and objective corroborative measures. Since presence is a subjective experience, the most direct way of assessment is through users' subjective report. This approach has serious limitations however, and should be used judiciously. Objective measures, such as postural, physiological or social responses to media, can be used to corroborate subjective measures, thereby overcoming some of their limitations. At present, the most promising direction for presence measurement is to develop and use an aggregate measure of presence that is comprised of both subjective and objective components, tailored to the specific medium under study.

  16. Neuronal factors determining high intelligence.

    PubMed

    Dicke, Ursula; Roth, Gerhard

    2016-01-01

    Many attempts have been made to correlate degrees of both animal and human intelligence with brain properties. With respect to mammals, a much-discussed trait concerns absolute and relative brain size, either uncorrected or corrected for body size. However, the correlation of both with degrees of intelligence yields large inconsistencies, because although they are regarded as the most intelligent mammals, monkeys and apes, including humans, have neither the absolutely nor the relatively largest brains. The best fit between brain traits and degrees of intelligence among mammals is reached by a combination of the number of cortical neurons, neuron packing density, interneuronal distance and axonal conduction velocity--factors that determine general information processing capacity (IPC), as reflected by general intelligence. The highest IPC is found in humans, followed by the great apes, Old World and New World monkeys. The IPC of cetaceans and elephants is much lower because of a thin cortex, low neuron packing density and low axonal conduction velocity. By contrast, corvid and psittacid birds have very small and densely packed pallial neurons and relatively many neurons, which, despite very small brain volumes, might explain their high intelligence. The evolution of a syntactical and grammatical language in humans most probably has served as an additional intelligence amplifier, which may have happened in songbirds and psittacids in a convergent manner. PMID:26598734

  17. Determining GPS average performance metrics

    NASA Technical Reports Server (NTRS)

    Moore, G. V.

    1995-01-01

    Analytic and semi-analytic methods are used to show that users of the GPS constellation can expect performance variations based on their location. Specifically, performance is shown to be a function of both altitude and latitude. These results stem from the fact that the GPS constellation is itself non-uniform. For example, GPS satellites are over four times as likely to be directly over Tierra del Fuego than over Hawaii or Singapore. Inevitable performance variations due to user location occur for ground, sea, air and space GPS users. These performance variations can be studied in an average relative sense. A semi-analytic tool which symmetrically allocates GPS satellite latitude belt dwell times among longitude points is used to compute average performance metrics. These metrics include average number of GPS vehicles visible, relative average accuracies in the radial, intrack and crosstrack (or radial, north/south, east/west) directions, and relative average PDOP or GDOP. The tool can be quickly changed to incorporate various user antenna obscuration models and various GPS constellation designs. Among other applications, tool results can be used in studies to: predict locations and geometries of best/worst case performance, design GPS constellations, determine optimal user antenna location and understand performance trends among various users.

  18. Ballistic projectile trajectory determining system

    DOEpatents

    Karr, T.J.

    1997-05-20

    A computer controlled system determines the three-dimensional trajectory of a ballistic projectile. To initialize the system, predictions of state parameters for a ballistic projectile are received at an estimator. The estimator uses the predictions of the state parameters to estimate first trajectory characteristics of the ballistic projectile. A single stationary monocular sensor then observes the actual first trajectory characteristics of the ballistic projectile. A comparator generates an error value related to the predicted state parameters by comparing the estimated first trajectory characteristics of the ballistic projectile with the observed first trajectory characteristics of the ballistic projectile. If the error value is equal to or greater than a selected limit, the predictions of the state parameters are adjusted. New estimates for the trajectory characteristics of the ballistic projectile are made and are then compared with actual observed trajectory characteristics. This process is repeated until the error value is less than the selected limit. Once the error value is less than the selected limit, a calculator calculates trajectory characteristics such a the origin and destination of the ballistic projectile. 8 figs.

  19. Ballistic projectile trajectory determining system

    DOEpatents

    Karr, Thomas J.

    1997-01-01

    A computer controlled system determines the three-dimensional trajectory of a ballistic projectile. To initialize the system, predictions of state parameters for a ballistic projectile are received at an estimator. The estimator uses the predictions of the state parameters to estimate first trajectory characteristics of the ballistic projectile. A single stationary monocular sensor then observes the actual first trajectory characteristics of the ballistic projectile. A comparator generates an error value related to the predicted state parameters by comparing the estimated first trajectory characteristics of the ballistic projectile with the observed first trajectory characteristics of the ballistic projectile. If the error value is equal to or greater than a selected limit, the predictions of the state parameters are adjusted. New estimates for the trajectory characteristics of the ballistic projectile are made and are then compared with actual observed trajectory characteristics. This process is repeated until the error value is less than the selected limit. Once the error value is less than the selected limit, a calculator calculates trajectory characteristics such a the origin and destination of the ballistic projectile.

  20. Structural Determinants of Arrestin Functions

    PubMed Central

    Gurevich, Vsevolod V.; Gurevich, Eugenia V.

    2015-01-01

    Arrestins are a small protein family with only four members in mammals. Arrestins demonstrate an amazing versatility, interacting with hundreds of different G protein-coupled receptor (GPCR) subtypes, numerous nonreceptor signaling proteins, and components of the internalization machinery, as well as cytoskeletal elements, including regular microtubules and centrosomes. Here, we focus on the structural determinants that mediate various arrestin functions. The receptor-binding elements in arrestins were mapped fairly comprehensively, which set the stage for the construction of mutants targeting particular GPCRs. The elements engaged by other binding partners are only now being elucidated and in most cases we have more questions than answers. Interestingly, even very limited and imprecise identification of structural requirements for the interaction with very few other proteins has enabled the development of signaling-biased arrestin mutants. More comprehensive understanding of the structural underpinning of different arrestin functions will pave the way for the construction of arrestins that can link the receptor we want to the signaling pathway of our choosing. PMID:23764050

  1. Determination of peak expiratory flow.

    PubMed

    Kano, S; Burton, D L; Lanteri, C J; Sly, P D

    1993-10-01

    It is still unknown whether peak expiratory flow (PEF) is determined by "wave speed" flow limitation in the airways. To investigate the influences of airway mechanical properties on PEF, five healthy adults performed maximal forced expiratory effort (MFEE) manoeuvres, in the standard manner and following breathholds at total lung capacity (TLC) of 2 s and 10 s. Oesophageal pressure (Poes) was measured as an index of respiratory effort. Subjects also performed a MFEE following a 10 s breathhold during which intrathoracic pressure was voluntarily raised by a Valsalva manoeuvre, which would increase transmural pressure and cross-sectional area of the extrathoracic airway. Additional MFEEs were performed with the neck fully flexed and extended, to change longitudinal tracheal tension. In separate studies, PEF was measured with a spirometer and with a pneumotachograph. Breathholds at TLC (2 s and 10 s), and neck flexion reduced PEF by a mean of 9.8% (SD 2.9%), 9.6% (SD 1.6%), and 8.7% (SD 2.8%), respectively, when measured with the spirometer. The same pattern of results was seen when measured with the pneumotachograph. These reductions occurred despite similar respiratory effort. Voluntarily raising intrathoracic pressure during a 10 s breathhold did not reverse a fall in PEF. MFEE manoeuvre with neck extension did not result in an increase in PEF, the group mean % changes being -3.0% (SD 5.0%). We conclude that these results do not allow the hypothesis that "wave-speed" (Vws) is reached at PEF to be rejected. A breathhold at TLC could increase airway wall compliance by allowing stress-relaxation of the airway, thus reducing the "Vws" achievable. PMID:8287953

  2. Determination and control of schistosomiasis.

    PubMed

    Barbosa, F S

    1995-01-01

    The subject of this conference reflects the scientific community's interest in seeking to understand the complex causal web whose various social, economic, and biological components interact in the production and reproduction of schistosomiasis and its control in relation to community participation. From the onset, the author stresses the impossibility of dealing separately with community participation, as if social components were just one more "weapon" in the arsenal for schistosomiasis control. This study begins with a brief historical review of the 71 years of control activities with this endemic disease, stressing the enormous efforts and huge expenditures in this field vis-à-vis the limited results, despite the extraordinary technological development of specific, classical control inputs such as new treatment drugs and molluscicides. The article then discusses the various strategies used in control programs, emphasizing ideological consistencies and contradictions. Interactions at the macro and micro levels are discussed, as are the determinants and risk factors involved in producing the disease's endemicity. Unequal occupation of space leaves the segregated portion of the population exposed to extremely favorable conditions for transmission of the disease. This raises the issue of how to control an endemic disease which is so closely linked to the way of life imposed on the population. The study challenges the classical control model and suggests an alternative model now undergoing medium-term investigation in the States of Espirito Santo, and Pernambuco, Brazil. The author concludes that we do not need new strategies, but a new control model, contrary to the prevailing classical model in both concept and practice. From the conceptual point of view, the new model mentioned above is different from others in that schistosomiasis control is seen from a social perspective stressing the population's accumulated knowledge in addition to the building of shared

  3. Impact significance determination-Back to basics

    SciTech Connect

    Lawrence, David P.

    2007-11-15

    Impact significance determination is widely recognized as a vital and critical EIA activity. But impact significance related concepts are poorly understood. And the quality of approaches for impact significance determination in EIA practice remains highly variable. This article seeks to help establish a sound and practical conceptual foundation for formulating and evaluating impact significance determination approaches. It addresses the nature (what is impact significance?), the core characteristics (what are the major properties of significance determination?), the rationale (why are impact significance determinations necessary?), the procedural and substantive objectives (what do impact significance determinations seek to achieve?), and the process for making impact significance judgments (how is impact significance determination conducted?). By identifying fundamental attributes and key distinctions associated with impact significance determinations, a basis is provided for designing and evaluating impact significance determination procedures at both the regulatory and applied levels.

  4. [Virulence determinant of Chromobacterium violaceum].

    PubMed

    Miki, Tsuyoshi

    2014-01-01

    Chromobacterium violaceum is a Gram-negative bacterium that infects humans and animals with fatal sepsis. The infection with C. violaceum is rare in case of those who are healthy, but once established, C. violaceum causes sever disease accompanied by abscess formation in the lungs, liver and spleen. Furthermore, C. violaceum is resistant to a broad range of antibiotics, which in some cases renders the antimicrobial therapy for this infection difficult. Thus, the infection with C. violaceum displays high mortality rates unless initial proper antimicrobial therapy. In contrast, the infection mechanism had completely remained unknown. To this end, we have tried to identify virulence factors-associated with C. violaceum infection. Two distinct type III secretion systems (TTSSs) were thought to be one of the most important virulence factors, which are encoded by Chromobacterium pathogenicity island 1/1a and 2 (Cpi-1/-1a and -2) respectively. Our results have shown that Cpi-1/-1a-encoded TTSS, but not Cpi-2, is indispensable for the virulence in a mouse infection model. C. violaceum caused fulminant hepatitis in a Cpi-1/-1a-encoded TTSS-dependent manner. We next have identified 16 novel effectors secreted from Cpi-1/-1a-encoded TTS machinery. From these effectors, we found that CopE (Chromobacterium outer protein E) has similarities to a guanine nucleotide exchange factor (GEF) for Rho GTPases. CopE acts as GEF for Rac1 and Cdc42, leading to induction of actin cytoskeletal rearrangement. Interestingly, C. violaceum invades cultured human epithelial cells in a CopE-dependent manner. Finally, an inactivation of CopE by disruption of copE gene or amino acid point mutation leading to loss of GEF activity attenuates significantly the mouse virulence of C. violaceum. These results suggest that Cpi-1/-1a-encoded TTSS is a major virulence determinant for C. violaceum infection, and that CopE contributes to the virulence in part of this pathogen. PMID:25447983

  5. Problems in determining sea surface topography

    NASA Technical Reports Server (NTRS)

    Whitehead, J. A., Jr.

    1978-01-01

    Anticipated problems for determining ocean dynamics signals from sea surface topography are discussed. The needs for repeated tracks are listed if oceanic tides or ocean turbulence are to be determined.

  6. Determination of nitrogen in titanium nitride

    NASA Technical Reports Server (NTRS)

    Philipp, W. H.; Tetzlaff, J. E.

    1970-01-01

    Quantitative determination of nitrogen in titanium nitride involves dissolution of TiN in 10M hydrofluoric acid containing an oxidant. Released nitrogen is determined as ammonia. Best oxidizers are ferric chloride, potassium iodate, and potassium dichromate.

  7. Indirect Determinations of Atomic Radii: Revisited

    ERIC Educational Resources Information Center

    Walker, Noojin

    1977-01-01

    Methods for determining the radius of an atom are described. Unlike a previous article which approached the problem from an elementary perspective, this article examines a progression of increasingly sophisticated determinations. (CS)

  8. 7 CFR 1437.403 - Determining payments.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... Determining Coverage of Forage Intended for Animal Consumption § 1437.403 Determining payments. Subject to payment limits, availability of funds, and other limits as may apply, payments for losses of...

  9. 7 CFR 1437.403 - Determining payments.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... Determining Coverage of Forage Intended for Animal Consumption § 1437.403 Determining payments. Subject to payment limits, availability of funds, and other limits as may apply, payments for losses of...

  10. 7 CFR 1437.403 - Determining payments.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... Determining Coverage of Forage Intended for Animal Consumption § 1437.403 Determining payments. Subject to payment limits, availability of funds, and other limits as may apply, payments for losses of...

  11. 7 CFR 1437.403 - Determining payments.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... Determining Coverage of Forage Intended for Animal Consumption § 1437.403 Determining payments. Subject to payment limits, availability of funds, and other limits as may apply, payments for losses of...

  12. 7 CFR 1437.403 - Determining payments.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... Determining Coverage of Forage Intended for Animal Consumption § 1437.403 Determining payments. Subject to payment limits, availability of funds, and other limits as may apply, payments for losses of...

  13. 78 FR 14318 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-03-05

    ... (SFHA) boundaries or zone designations, or regulatory floodways on the Flood Insurance Rate Maps (FIRMs... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final Notice. SUMMARY: Flood hazard determinations, which may...

  14. 76 FR 24081 - Notice of Commission Determination

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-04-29

    ... From the Federal Register Online via the Government Publishing Office SUSQUEHANNA RIVER BASIN COMMISSION Notice of Commission Determination AGENCY: Susquehanna River Basin Commission. ACTION: Notice of commission determination. SUMMARY: Pursuant to authority set forth in the Susquehanna River Basin...

  15. 78 FR 48701 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-08-09

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard determinations, which may include additions or modifications of any Base Flood Elevation (BFE), base flood...

  16. 78 FR 49278 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-08-13

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard determinations, which may include additions or modifications of any Base Flood Elevation (BFE), base flood...

  17. 78 FR 21143 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-04-09

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  18. 77 FR 18839 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-03-28

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard determinations, which may include additions or modifications of any Base Flood Elevation (BFE), base flood...

  19. 78 FR 49277 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-08-13

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard determinations, which may include additions or modifications of any Base Flood Elevation (BFE), base flood...

  20. 78 FR 21143 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-04-09

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard determinations, which may include additions or modifications of any Base Flood Elevation (BFE), base flood...

  1. 77 FR 18844 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-03-28

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard determinations, which may include additions or modifications of any Base Flood Elevation (BFE), base flood...

  2. 77 FR 18835 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-03-28

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard determinations, which may include additions or modifications of any Base Flood Elevation (BFE), base flood...

  3. 78 FR 52954 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-08-27

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  4. 77 FR 74859 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-12-18

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard determinations, which may include additions or modifications of any Base Flood Elevation (BFE), base flood...

  5. 78 FR 5826 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-01-28

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard determinations, which may include additions or modifications of any Base Flood Elevation (BFE), base flood...

  6. 78 FR 52953 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-08-27

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final Notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  7. 77 FR 18842 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-03-28

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard determinations, which may include additions or modifications of any Base Flood Elevation (BFE), base flood...

  8. 78 FR 5820 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-01-28

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final Notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  9. 78 FR 5821 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-01-28

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final Notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  10. 78 FR 5824 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-01-28

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard determinations, which may include additions or modifications of any Base Flood Elevation (BFE), base flood...

  11. 78 FR 5822 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-01-28

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard determinations, which may include additions or modifications of any Base Flood Elevation (BFE), base flood...

  12. 78 FR 45938 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-07-30

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  13. 78 FR 45937 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-07-30

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  14. 78 FR 9406 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-02-08

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  15. 78 FR 43905 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-07-22

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final Notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  16. 78 FR 14316 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-03-05

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final Notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  17. 78 FR 43904 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-07-22

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final Notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  18. 78 FR 20337 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-04-04

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final Notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  19. 78 FR 20338 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-04-04

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final Notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  20. 78 FR 14577 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-03-06

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final Notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  1. 78 FR 14576 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-03-06

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final Notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  2. 78 FR 36216 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-06-17

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final Notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  3. 78 FR 36219 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-06-17

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  4. 78 FR 29762 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-05-21

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final Notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  5. 78 FR 36220 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-06-17

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final Notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  6. 78 FR 32678 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-05-31

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  7. 78 FR 32679 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-05-31

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final Notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  8. 78 FR 64521 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-10-29

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final Notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  9. 78 FR 29761 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-05-21

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  10. 78 FR 43904 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-07-22

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  11. 78 FR 29763 - Final Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-05-21

    ... SECURITY Federal Emergency Management Agency Final Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Final Notice. SUMMARY: Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard...

  12. Plant traits determine forest flammability

    NASA Astrophysics Data System (ADS)

    Zylstra, Philip; Bradstock, Ross

    2016-04-01

    Carbon and nutrient cycles in forest ecosystems are influenced by their inherent flammability - a property determined by the traits of the component plant species that form the fuel and influence the micro climate of a fire. In the absence of a model capable of explaining the complexity of such a system however, flammability is frequently represented by simple metrics such as surface fuel load. The implications of modelling fire - flammability feedbacks using surface fuel load were examined and compared to a biophysical, mechanistic model (Forest Flammability Model) that incorporates the influence of structural plant traits (e.g. crown shape and spacing) and leaf traits (e.g. thickness, dimensions and moisture). Fuels burn with values of combustibility modelled from leaf traits, transferring convective heat along vectors defined by flame angle and with plume temperatures that decrease with distance from the flame. Flames are re-calculated in one-second time-steps, with new leaves within the plant, neighbouring plants or higher strata ignited when the modelled time to ignition is reached, and other leaves extinguishing when their modelled flame duration is exceeded. The relative influence of surface fuels, vegetation structure and plant leaf traits were examined by comparing flame heights modelled using three treatments that successively added these components within the FFM. Validation was performed across a diverse range of eucalypt forests burnt under widely varying conditions during a forest fire in the Brindabella Ranges west of Canberra (ACT) in 2003. Flame heights ranged from 10 cm to more than 20 m, with an average of 4 m. When modelled from surface fuels alone, flame heights were on average 1.5m smaller than observed values, and were predicted within the error range 28% of the time. The addition of plant structure produced predicted flame heights that were on average 1.5m larger than observed, but were correct 53% of the time. The over-prediction in this

  13. 43 CFR 11.63 - Injury determination phase-pathway determination.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... 43 Public Lands: Interior 1 2013-10-01 2013-10-01 false Injury determination phase-pathway determination. 11.63 Section 11.63 Public Lands: Interior Office of the Secretary of the Interior NATURAL RESOURCE DAMAGE ASSESSMENTS Type B Procedures § 11.63 Injury determination phase—pathway determination. (a) General. (1) To determine the...

  14. 42 CFR 423.641 - Contract determinations.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... 42 Public Health 3 2012-10-01 2012-10-01 false Contract determinations. 423.641 Section 423.641... (CONTINUED) MEDICARE PROGRAM (CONTINUED) VOLUNTARY MEDICARE PRESCRIPTION DRUG BENEFIT Medicare Contract Determinations and Appeals § 423.641 Contract determinations. This subpart establishes the procedures...

  15. 42 CFR 422.641 - Contract determinations.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... 42 Public Health 3 2012-10-01 2012-10-01 false Contract determinations. 422.641 Section 422.641... (CONTINUED) MEDICARE PROGRAM (CONTINUED) MEDICARE ADVANTAGE PROGRAM Medicare Contract Determinations and Appeals § 422.641 Contract determinations. This subpart establishes the procedures for making...

  16. 42 CFR 423.566 - Coverage determinations.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... 42 Public Health 3 2014-10-01 2014-10-01 false Coverage determinations. 423.566 Section 423.566... (CONTINUED) MEDICARE PROGRAM (CONTINUED) VOLUNTARY MEDICARE PRESCRIPTION DRUG BENEFIT Grievances, Coverage Determinations, Redeterminations, and Reconsiderations § 423.566 Coverage determinations. (a) Responsibilities...

  17. 42 CFR 423.566 - Coverage determinations.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... 42 Public Health 3 2013-10-01 2013-10-01 false Coverage determinations. 423.566 Section 423.566... (CONTINUED) MEDICARE PROGRAM (CONTINUED) VOLUNTARY MEDICARE PRESCRIPTION DRUG BENEFIT Grievances, Coverage Determinations, Redeterminations, and Reconsiderations § 423.566 Coverage determinations. (a) Responsibilities...

  18. 7 CFR 51.1416 - Optional determinations.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... STANDARDS) United States Standards for Grades of Pecans in the Shell 1 Optional Determinations § 51.1416... determination. Samples of pecans for these determinations shall be taken at random from a composite sample drawn throughout the lot. (a) Edible kernel content. A minimum sample of at least 500 grams of in-shell...

  19. 7 CFR 51.1416 - Optional determinations.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... (INSPECTION, CERTIFICATION, AND STANDARDS) United States Standards for Grades of Pecans in the Shell 1... or as a separate determination. Samples of pecans for these determinations shall be taken at random... least 500 grams of in-shell pecans shall be used for determination of edible kernel content. After...

  20. 7 CFR 51.1416 - Optional determinations.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... (INSPECTION, CERTIFICATION, AND STANDARDS) United States Standards for Grades of Pecans in the Shell 1... or as a separate determination. Samples of pecans for these determinations shall be taken at random... least 500 grams of in-shell pecans shall be used for determination of edible kernel content. After...

  1. 7 CFR 51.1416 - Optional determinations.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... STANDARDS) United States Standards for Grades of Pecans in the Shell 1 Optional Determinations § 51.1416... determination. Samples of pecans for these determinations shall be taken at random from a composite sample drawn throughout the lot. (a) Edible kernel content. A minimum sample of at least 500 grams of in-shell...

  2. 40 CFR 61.103 - Determining compliance.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 40 Protection of Environment 8 2010-07-01 2010-07-01 false Determining compliance. 61.103 Section... Subpart H § 61.103 Determining compliance. (a) Compliance with the emission standard in this subpart shall... COMPLY shall be determined through the use of the measurement procedures listed in § 61.107 or...

  3. 46 CFR 295.40 - Administrative determinations.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 46 Shipping 8 2010-10-01 2010-10-01 false Administrative determinations. 295.40 Section 295.40... OPERATORS MARITIME SECURITY PROGRAM (MSP) Appeals Procedures § 295.40 Administrative determinations. (a... of the document notifying the Contractor of the administrative determination of the...

  4. 36 CFR 223.36 - Volume determination.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 36 Parks, Forests, and Public Property 2 2012-07-01 2012-07-01 false Volume determination. 223.36... Sale Contracts Contract Conditions and Provisions § 223.36 Volume determination. (a) Timber sale contracts may provide for volume determination by scaling, measuring, weighing, or counting the logs...

  5. 36 CFR 223.36 - Volume determination.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 36 Parks, Forests, and Public Property 2 2013-07-01 2013-07-01 false Volume determination. 223.36... Sale Contracts Contract Conditions and Provisions § 223.36 Volume determination. (a) Timber sale contracts may provide for volume determination by scaling, measuring, weighing, or counting the logs...

  6. 36 CFR 223.36 - Volume determination.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 36 Parks, Forests, and Public Property 2 2011-07-01 2011-07-01 false Volume determination. 223.36... Sale Contracts Contract Conditions and Provisions § 223.36 Volume determination. (a) Timber sale contracts may provide for volume determination by scaling, measuring, weighing, or counting the logs...

  7. 36 CFR 223.36 - Volume determination.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 36 Parks, Forests, and Public Property 2 2014-07-01 2014-07-01 false Volume determination. 223.36... Sale Contracts Contract Conditions and Provisions § 223.36 Volume determination. (a) Timber sale contracts may provide for volume determination by scaling, measuring, weighing, or counting the logs...

  8. 48 CFR 25.205 - Postaward determinations.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... SOCIOECONOMIC PROGRAMS FOREIGN ACQUISITION Buy American Act-Construction Materials 25.205 Postaward determinations. (a) If a contractor requests a determination regarding the inapplicability of the Buy American... any request for a determination regarding the inapplicability of the Buy American Act made...

  9. 48 CFR 25.205 - Postaward determinations.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... SOCIOECONOMIC PROGRAMS FOREIGN ACQUISITION Buy American Act-Construction Materials 25.205 Postaward determinations. (a) If a contractor requests a determination regarding the inapplicability of the Buy American... any request for a determination regarding the inapplicability of the Buy American Act made...

  10. 48 CFR 25.205 - Postaward determinations.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... SOCIOECONOMIC PROGRAMS FOREIGN ACQUISITION Buy American-Construction Materials 25.205 Postaward determinations. (a) If a contractor requests a determination regarding the inapplicability of the Buy American... any request for a determination regarding the inapplicability of the Buy American statute made...

  11. 14 CFR 157.7 - FAA determinations.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... local law, ordinance or regulation, or state or other Federal regulation. Aeronautical studies and...) Revise the determination based on new facts that change the basis on which it was made; or (2) Extend the determination void date. Determinations will be furnished to the proponent, aviation officials of the...

  12. 14 CFR 157.7 - FAA determinations.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... local law, ordinance or regulation, or state or other Federal regulation. Aeronautical studies and...) Revise the determination based on new facts that change the basis on which it was made; or (2) Extend the determination void date. Determinations will be furnished to the proponent, aviation officials of the...

  13. 78 FR 52956 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-08-27

    ... Register (78 FR 36220-36222) a proposed flood hazard determination notice that contained an erroneous table... FR 36220. The table provided here represents the proposed flood hazard determinations and communities... . In the proposed flood hazard determination notice published at 78 FR 36220 in the June 17,...

  14. 10 CFR 963.11 - Suitability determination.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... DEPARTMENT OF ENERGY YUCCA MOUNTAIN SITE SUITABILITY GUIDELINES Site Suitability Determination, Methods, and Criteria § 963.11 Suitability determination. DOE will evaluate whether the Yucca Mountain site is suitable... determinations described in §§ 963.12 and 963.15. If DOE's evaluation of the Yucca Mountain site for the...

  15. 10 CFR 963.11 - Suitability determination.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... DEPARTMENT OF ENERGY YUCCA MOUNTAIN SITE SUITABILITY GUIDELINES Site Suitability Determination, Methods, and Criteria § 963.11 Suitability determination. DOE will evaluate whether the Yucca Mountain site is suitable... determinations described in §§ 963.12 and 963.15. If DOE's evaluation of the Yucca Mountain site for the...

  16. 10 CFR 963.11 - Suitability determination.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... DEPARTMENT OF ENERGY YUCCA MOUNTAIN SITE SUITABILITY GUIDELINES Site Suitability Determination, Methods, and Criteria § 963.11 Suitability determination. DOE will evaluate whether the Yucca Mountain site is suitable... determinations described in §§ 963.12 and 963.15. If DOE's evaluation of the Yucca Mountain site for the...

  17. 10 CFR 963.11 - Suitability determination.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... DEPARTMENT OF ENERGY YUCCA MOUNTAIN SITE SUITABILITY GUIDELINES Site Suitability Determination, Methods, and Criteria § 963.11 Suitability determination. DOE will evaluate whether the Yucca Mountain site is suitable... determinations described in §§ 963.12 and 963.15. If DOE's evaluation of the Yucca Mountain site for the...

  18. 10 CFR 963.11 - Suitability determination.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... DEPARTMENT OF ENERGY YUCCA MOUNTAIN SITE SUITABILITY GUIDELINES Site Suitability Determination, Methods, and Criteria § 963.11 Suitability determination. DOE will evaluate whether the Yucca Mountain site is suitable... determinations described in §§ 963.12 and 963.15. If DOE's evaluation of the Yucca Mountain site for the...

  19. 77 FR 72385 - Honey From China; Determination

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-12-05

    ... instituted this review on July 2, 2012 (77 FR 39257) and determined on October 5, 2012 that it would conduct an expedited review (77 FR 65204, October 25, 2012). The Commission transmitted its determination in... COMMISSION Honey From China; Determination On the basis of the record \\1\\ developed in the subject...

  20. 20 CFR 416.1420 - Reconsidered determination.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 416.1420 Employees' Benefits SOCIAL SECURITY ADMINISTRATION SUPPLEMENTAL SECURITY INCOME FOR THE AGED, BLIND, AND DISABLED Determinations, Administrative Review Process, and Reopening of Determinations and... reconsideration, we will review the evidence we considered in making the initial determination and any...

  1. 42 CFR 422.566 - Organization determinations.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... 42 Public Health 3 2014-10-01 2014-10-01 false Organization determinations. 422.566 Section 422... (CONTINUED) MEDICARE PROGRAM (CONTINUED) MEDICARE ADVANTAGE PROGRAM Grievances, Organization Determinations and Appeals § 422.566 Organization determinations. (a) Responsibilities of the MA organization....

  2. 42 CFR 422.566 - Organization determinations.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... 42 Public Health 3 2013-10-01 2013-10-01 false Organization determinations. 422.566 Section 422... (CONTINUED) MEDICARE PROGRAM (CONTINUED) MEDICARE ADVANTAGE PROGRAM Grievances, Organization Determinations and Appeals § 422.566 Organization determinations. (a) Responsibilities of the MA organization....

  3. 42 CFR 422.566 - Organization determinations.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 42 Public Health 3 2011-10-01 2011-10-01 false Organization determinations. 422.566 Section 422.566 Public Health CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) MEDICARE PROGRAM MEDICARE ADVANTAGE PROGRAM Grievances, Organization Determinations and Appeals § 422.566 Organization determinations....

  4. 42 CFR 423.641 - Contract determinations.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 42 Public Health 3 2010-10-01 2010-10-01 false Contract determinations. 423.641 Section 423.641... (CONTINUED) MEDICARE PROGRAM VOLUNTARY MEDICARE PRESCRIPTION DRUG BENEFIT Medicare Contract Determinations and Appeals § 423.641 Contract determinations. This subpart establishes the procedures for...

  5. 42 CFR 422.641 - Contract determinations.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 42 Public Health 3 2010-10-01 2010-10-01 false Contract determinations. 422.641 Section 422.641... (CONTINUED) MEDICARE PROGRAM MEDICARE ADVANTAGE PROGRAM Medicare Contract Determinations and Appeals § 422.641 Contract determinations. This subpart establishes the procedures for making and reviewing...

  6. 48 CFR 32.603 - Debt determination.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... REQUIREMENTS CONTRACT FINANCING Contract Debts 32.603 Debt determination. (a) If the contracting officer has... 48 Federal Acquisition Regulations System 1 2010-10-01 2010-10-01 false Debt determination. 32.603... officer shall determine promptly whether an actual debt is due and the amount. Any unnecessary delay...

  7. Tackling the diversity of sex determination

    PubMed Central

    Wedekind, Claus; Stelkens, Rike B.

    2010-01-01

    A workshop on ‘The evolution of sex determination systems’ was held at a remote place in the Swiss Alps from 17 to 20 June 2009. It brought together theoreticians and empiricists, the latter ranging from molecular geneticists to evolutionary ecologists, all trying to understand key aspects of sex determination. The topics discussed included the evolutionary origins of sex determination, the diversity of sex determination mechanisms in different taxa, and the transition from genotypic to environmental sex determination and vice versa. PMID:19692397

  8. Sex determination in forensic odontology: A review.

    PubMed

    Ramakrishnan, K; Sharma, Subramanya; Sreeja, C; Pratima, D Bhavani; Aesha, I; Vijayabanu, B

    2015-08-01

    Forensic odontology is the application of dental principles to legal issues. Sex determination is a subdivision of forensic odontology and it is very important especially when information relating to the deceased is unavailable. Sex determination becomes the first priority in the process of identification of a person by a forensic investigator in the case of mishaps, chemical and nuclear bomb explosions, natural disasters crime investigations, and ethnic studies. This article reviews upon the various methods used in sex determination. PMID:26538886

  9. Sex determination in forensic odontology: A review

    PubMed Central

    Ramakrishnan, K.; Sharma, Subramanya; Sreeja, C.; Pratima, D. Bhavani; Aesha, I.; Vijayabanu, B.

    2015-01-01

    Forensic odontology is the application of dental principles to legal issues. Sex determination is a subdivision of forensic odontology and it is very important especially when information relating to the deceased is unavailable. Sex determination becomes the first priority in the process of identification of a person by a forensic investigator in the case of mishaps, chemical and nuclear bomb explosions, natural disasters crime investigations, and ethnic studies. This article reviews upon the various methods used in sex determination. PMID:26538886

  10. Self-determination, incompetence, and medical jurisprudence.

    PubMed

    Strudler, A

    1988-11-01

    Philosophers and others have criticized the courts for ascribing a right of self-determination to severe incompetents. I defend ascription of a right of self-determination to these incompetents against both conceptual and normative attacks. I argue that a court need make no conceptual error when it ascribes a right of self-determination to a being who never had capacity for rational choice, and I argue that proper judicial deference to reflective conventional morality supports ascription of a right of self-determination to severe incompetents. PMID:3246575

  11. Uncertainty of in-flight thrust determination

    NASA Technical Reports Server (NTRS)

    Abernethy, Robert B.; Adams, Gary R.; Steurer, John W.; Ascough, John C.; Baer-Riedhart, Jennifer L.; Balkcom, George H.; Biesiadny, Thomas

    1986-01-01

    Methods for estimating the measurement error or uncertainty of in-flight thrust determination in aircraft employing conventional turbofan/turbojet engines are reviewed. While the term 'in-flight thrust determination' is used synonymously with 'in-flight thrust measurement', in-flight thrust is not directly measured but is determined or calculated using mathematical modeling relationships between in-flight thrust and various direct measurements of physical quantities. The in-flight thrust determination process incorporates both ground testing and flight testing. The present text is divided into the following categories: measurement uncertainty methodoogy and in-flight thrust measurent processes.

  12. Methods for threshold determination in multiplexed assays

    DOEpatents

    Tammero, Lance F. Bentley; Dzenitis, John M; Hindson, Benjamin J

    2014-06-24

    Methods for determination of threshold values of signatures comprised in an assay are described. Each signature enables detection of a target. The methods determine a probability density function of negative samples and a corresponding false positive rate curve. A false positive criterion is established and a threshold for that signature is determined as a point at which the false positive rate curve intersects the false positive criterion. A method for quantitative analysis and interpretation of assay results together with a method for determination of a desired limit of detection of a signature in an assay are also described.

  13. 48 CFR 25.203 - Preaward determinations.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... SOCIOECONOMIC PROGRAMS FOREIGN ACQUISITION Buy American-Construction Materials 25.203 Preaward determinations... concerning the inapplicability of the Buy American statute for specifically identified construction...

  14. Framing the Future: Self-Determination

    ERIC Educational Resources Information Center

    Wehmeyer, Michael L.

    2015-01-01

    There is an established and still-growing evidence base that promoting self-determination has positive school and post-school benefits for students with disabilities, and yet efforts to do so remain sporadic, at best. This article examines the evidence that promoting self-determination is critically important for students with disabilities,…

  15. 14 CFR 314.16 - Final determination.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 14 Aeronautics and Space 4 2010-01-01 2010-01-01 false Final determination. 314.16 Section 314.16 Aeronautics and Space OFFICE OF THE SECRETARY, DEPARTMENT OF TRANSPORTATION (AVIATION PROCEEDINGS) PROCEDURAL REGULATIONS EMPLOYEE PROTECTION PROGRAM Determination of Qualifying Dislocation § 314.16 Final...

  16. 7 CFR 1794.54 - Agency determination.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 7 Agriculture 12 2010-01-01 2010-01-01 false Agency determination. 1794.54 Section 1794.54... Scoping § 1794.54 Agency determination. Following the scoping process and the development of a satisfactory ER by the applicant or its consultant that will serve as the agency's EA, RUS shall...

  17. Wage Determination and Discrimination among Older Workers.

    ERIC Educational Resources Information Center

    Quinn, Joseph F.

    1979-01-01

    Analyzed determinants of wage rates of older workers and the large discrepancies existing between wage earned by Whites, non-Whites, men, and women. Human capital and geographic variables were important wage determinants. Differences in variables cannot completely explain the wage differentials of race and sex. (Author)

  18. 3 CFR - Presidential Determination on Sudan

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 3 The President 1 2011-01-01 2011-01-01 false Presidential Determination on Sudan Presidential... Presidential Determination on Sudan Memorandum for the Secretary of State President of the Export-Import Bank... related equipment that enables the United Nations to facilitate the referendum in Southern Sudan...

  19. Newcastle disease virus vaccine potency determination

    Technology Transfer Automated Retrieval System (TEKTRAN)

    Potency of inactivated Newcastle disease virus (NDV) vaccines is determined using vaccination and challenge. If the minimum killed viral antigen necessary for clinical protection can be determined, vaccines meeting or exceeding this dose might be considered of adequate potency. In these studies, c...

  20. 42 CFR 417.838 - Organization determinations.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 42 Public Health 3 2011-10-01 2011-10-01 false Organization determinations. 417.838 Section 417... (CONTINUED) MEDICARE PROGRAM HEALTH MAINTENANCE ORGANIZATIONS, COMPETITIVE MEDICAL PLANS, AND HEALTH CARE PREPAYMENT PLANS Health Care Prepayment Plans § 417.838 Organization determinations. (a) Actions that...

  1. 40 CFR 61.253 - Determining compliance.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 40 Protection of Environment 8 2011-07-01 2011-07-01 false Determining compliance. 61.253 Section 61.253 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) AIR PROGRAMS (CONTINUED... From Operating Mill Tailings § 61.253 Determining compliance. Compliance with the emission standard...

  2. 40 CFR 61.253 - Determining compliance.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 40 Protection of Environment 9 2014-07-01 2014-07-01 false Determining compliance. 61.253 Section 61.253 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) AIR PROGRAMS (CONTINUED... From Operating Mill Tailings § 61.253 Determining compliance. Compliance with the emission standard...

  3. 40 CFR 61.253 - Determining compliance.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 40 Protection of Environment 9 2012-07-01 2012-07-01 false Determining compliance. 61.253 Section 61.253 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) AIR PROGRAMS (CONTINUED... From Operating Mill Tailings § 61.253 Determining compliance. Compliance with the emission standard...

  4. 40 CFR 61.253 - Determining compliance.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 40 Protection of Environment 9 2013-07-01 2013-07-01 false Determining compliance. 61.253 Section 61.253 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) AIR PROGRAMS (CONTINUED... From Operating Mill Tailings § 61.253 Determining compliance. Compliance with the emission standard...

  5. Determining Enzyme Activity by Radial Diffusion

    ERIC Educational Resources Information Center

    Davis, Bill D.

    1977-01-01

    Discusses advantages of radial diffusion assay in determining presence of enzyme and/or rough approximation of amount of enzyme activities. Procedures are included for the preparation of starch-agar plates, and the application and determination of enzyme. Techniques using plant materials (homogenates, tissues, ungerminated embryos, and seedlings)…

  6. 50 CFR 296.9 - Initial determination.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 50 Wildlife and Fisheries 9 2011-10-01 2011-10-01 false Initial determination. 296.9 Section 296.9 Wildlife and Fisheries NATIONAL MARINE FISHERIES SERVICE, NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION, DEPARTMENT OF COMMERCE CONTINENTAL SHELF FISHERMEN'S CONTINGENCY FUND § 296.9 Initial determination....

  7. 50 CFR 296.11 - Final determination.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 50 Wildlife and Fisheries 9 2011-10-01 2011-10-01 false Final determination. 296.11 Section 296.11 Wildlife and Fisheries NATIONAL MARINE FISHERIES SERVICE, NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION, DEPARTMENT OF COMMERCE CONTINENTAL SHELF FISHERMEN'S CONTINGENCY FUND § 296.11 Final determination. (a) If...

  8. 12 CFR 614.4950 - Determination fees.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 12 Banks and Banking 6 2011-01-01 2011-01-01 false Determination fees. 614.4950 Section 614.4950 Banks and Banking FARM CREDIT ADMINISTRATION FARM CREDIT SYSTEM LOAN POLICIES AND OPERATIONS Flood... charge a reasonable fee for determining whether the building or mobile home securing the loan is...

  9. 12 CFR 760.8 - Determination fees.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 12 Banks and Banking 6 2010-01-01 2010-01-01 false Determination fees. 760.8 Section 760.8 Banks and Banking NATIONAL CREDIT UNION ADMINISTRATION REGULATIONS AFFECTING CREDIT UNIONS LOANS IN AREAS HAVING SPECIAL FLOOD HAZARDS § 760.8 Determination fees. (a) General. Notwithstanding any Federal or State law other than the Flood Disaster...

  10. 12 CFR 572.8 - Determination fees.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 12 Banks and Banking 5 2010-01-01 2010-01-01 false Determination fees. 572.8 Section 572.8 Banks and Banking OFFICE OF THRIFT SUPERVISION, DEPARTMENT OF THE TREASURY LOANS IN AREAS HAVING SPECIAL FLOOD HAZARDS § 572.8 Determination fees. (a) General. Notwithstanding any Federal or State law other than the Flood Disaster Protection Act of 1973,...

  11. 12 CFR 614.4950 - Determination fees.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 12 Banks and Banking 6 2010-01-01 2010-01-01 false Determination fees. 614.4950 Section 614.4950 Banks and Banking FARM CREDIT ADMINISTRATION FARM CREDIT SYSTEM LOAN POLICIES AND OPERATIONS Flood Insurance Requirements § 614.4950 Determination fees. (a) General. Notwithstanding any Federal or State law other than the 1973 Act, any...

  12. 12 CFR 22.8 - Determination fees.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 12 Banks and Banking 1 2011-01-01 2011-01-01 false Determination fees. 22.8 Section 22.8 Banks and Banking COMPTROLLER OF THE CURRENCY, DEPARTMENT OF THE TREASURY LOANS IN AREAS HAVING SPECIAL FLOOD... on behalf of the bank, may charge a reasonable fee for determining whether the building or...

  13. 12 CFR 22.8 - Determination fees.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 12 Banks and Banking 1 2010-01-01 2010-01-01 false Determination fees. 22.8 Section 22.8 Banks and Banking COMPTROLLER OF THE CURRENCY, DEPARTMENT OF THE TREASURY LOANS IN AREAS HAVING SPECIAL FLOOD... on behalf of the bank, may charge a reasonable fee for determining whether the building or...

  14. 12 CFR 572.8 - Determination fees.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 12 Banks and Banking 5 2011-01-01 2011-01-01 false Determination fees. 572.8 Section 572.8 Banks and Banking OFFICE OF THRIFT SUPERVISION, DEPARTMENT OF THE TREASURY LOANS IN AREAS HAVING SPECIAL FLOOD HAZARDS § 572.8 Determination fees. (a) General. Notwithstanding any Federal or State law other than the Flood Disaster Protection Act of 1973,...

  15. 12 CFR 760.8 - Determination fees.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 12 Banks and Banking 6 2011-01-01 2011-01-01 false Determination fees. 760.8 Section 760.8 Banks and Banking NATIONAL CREDIT UNION ADMINISTRATION REGULATIONS AFFECTING CREDIT UNIONS LOANS IN AREAS... determining whether the building or mobile home securing the loan is located or will be located in a...

  16. 12 CFR 339.8 - Determination fees.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 12 Banks and Banking 4 2011-01-01 2011-01-01 false Determination fees. 339.8 Section 339.8 Banks and Banking FEDERAL DEPOSIT INSURANCE CORPORATION REGULATIONS AND STATEMENTS OF GENERAL POLICY LOANS IN AREAS HAVING SPECIAL FLOOD HAZARDS § 339.8 Determination fees. (a) General. Notwithstanding any Federal or State law other than the Flood...

  17. 36 CFR 297.5 - Determination.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 297.5 Parks, Forests, and Public Property FOREST SERVICE, DEPARTMENT OF AGRICULTURE WILD AND SCENIC RIVERS Water Resources Projects § 297.5 Determination. (a) The Secretary of Agriculture will consent to... determined that: (1) The water resources project will not have a direct and adverse effect on the values...

  18. 36 CFR 297.5 - Determination.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 297.5 Parks, Forests, and Public Property FOREST SERVICE, DEPARTMENT OF AGRICULTURE WILD AND SCENIC RIVERS Water Resources Projects § 297.5 Determination. (a) The Secretary of Agriculture will consent to... determined that: (1) The water resources project will not have a direct and adverse effect on the values...

  19. 43 CFR 2374.1 - Property determinations.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... 43 Public Lands: Interior 2 2013-10-01 2013-10-01 false Property determinations. 2374.1 Section... Acceptance of Jurisdiction by BLM § 2374.1 Property determinations. (a) When the authorized officer of the... as excess property the lands and improvements therein, or interests in lands to the General...

  20. 43 CFR 2374.1 - Property determinations.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... 43 Public Lands: Interior 2 2012-10-01 2012-10-01 false Property determinations. 2374.1 Section... Acceptance of Jurisdiction by BLM § 2374.1 Property determinations. (a) When the authorized officer of the... as excess property the lands and improvements therein, or interests in lands to the General...

  1. Using Mobile Learning: Determinates Impacting Behavioral Intention

    ERIC Educational Resources Information Center

    Lowenthal, Jeffrey N.

    2010-01-01

    This study examined the factors or determinates that impact the behavioral intention of students to use mobile learning (m-learning) technology. These determinates include performance expectancy, effort expectancy, and self-management of learning, all mediated by age, gender, or both. Regression coefficients showed strong and significant…

  2. Determinants of Success during Triathalon Competition.

    ERIC Educational Resources Information Center

    Dengel, Donald R.; And Others

    1989-01-01

    Eleven male triathletes were studied to determine the relationships between selected metabolic measurements and triathalon performance. Oxygen uptake, pulmonary ventilation, and heart rate were measured during freestyle swimming, cycling, and treadmill running. Economy of effort was an important determinant of performance. (JD)

  3. 40 CFR 2.207 - Class determinations.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 40 Protection of Environment 1 2010-07-01 2010-07-01 false Class determinations. 2.207 Section 2.207 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY GENERAL PUBLIC INFORMATION Confidentiality of Business Information § 2.207 Class determinations. (a) The General Counsel may make and issue...

  4. Information Measures for Statistical Orbit Determination

    ERIC Educational Resources Information Center

    Mashiku, Alinda K.

    2013-01-01

    The current Situational Space Awareness (SSA) is faced with a huge task of tracking the increasing number of space objects. The tracking of space objects requires frequent and accurate monitoring for orbit maintenance and collision avoidance using methods for statistical orbit determination. Statistical orbit determination enables us to obtain…

  5. 28 CFR 32.54 - Director determination.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 28 Judicial Administration 1 2011-07-01 2011-07-01 false Director determination. 32.54 Section 32.54 Judicial Administration DEPARTMENT OF JUSTICE PUBLIC SAFETY OFFICERS' DEATH, DISABILITY, AND EDUCATIONAL ASSISTANCE BENEFIT CLAIMS Director Appeals and Reviews § 32.54 Director determination. (a)...

  6. 28 CFR 32.54 - Director determination.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 28 Judicial Administration 1 2010-07-01 2010-07-01 false Director determination. 32.54 Section 32.54 Judicial Administration DEPARTMENT OF JUSTICE PUBLIC SAFETY OFFICERS' DEATH, DISABILITY, AND EDUCATIONAL ASSISTANCE BENEFIT CLAIMS Director Appeals and Reviews § 32.54 Director determination. (a)...

  7. 28 CFR 32.54 - Director determination.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 28 Judicial Administration 1 2012-07-01 2012-07-01 false Director determination. 32.54 Section 32.54 Judicial Administration DEPARTMENT OF JUSTICE PUBLIC SAFETY OFFICERS' DEATH, DISABILITY, AND EDUCATIONAL ASSISTANCE BENEFIT CLAIMS Director Appeals and Reviews § 32.54 Director determination. (a)...

  8. 28 CFR 32.54 - Director determination.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 28 Judicial Administration 1 2013-07-01 2013-07-01 false Director determination. 32.54 Section 32.54 Judicial Administration DEPARTMENT OF JUSTICE PUBLIC SAFETY OFFICERS' DEATH, DISABILITY, AND EDUCATIONAL ASSISTANCE BENEFIT CLAIMS Director Appeals and Reviews § 32.54 Director determination. (a)...

  9. 28 CFR 32.54 - Director determination.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 28 Judicial Administration 1 2014-07-01 2014-07-01 false Director determination. 32.54 Section 32.54 Judicial Administration DEPARTMENT OF JUSTICE PUBLIC SAFETY OFFICERS' DEATH, DISABILITY, AND EDUCATIONAL ASSISTANCE BENEFIT CLAIMS Director Appeals and Reviews § 32.54 Director determination. (a)...

  10. Static Material Strength Determined Using a DAC

    SciTech Connect

    Cynn, H; Evans, W; Klepeis, J P; Lipp, M; Liermann, P; Yang, W

    2009-06-04

    By measuring sample thickness and pressure gradient using x-ray absorption and x-ray diffraction, respectively, the accurate static yield strengths of Ta and Fe were determined at high pressure. This improved method has several advantages over other similar methods to quantitatively determine static material strength.

  11. 38 CFR 36.4707 - Determination fees.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... a servicer acting on behalf of the Secretary, on behalf of the borrower under 38 CFR 36.4706. (c...) LOAN GUARANTY Sale of Loans, Guarantee of Payment, and Flood Insurance § 36.4707 Determination fees. (a... a reasonable fee for determining whether the building or mobile home securing the loan is located...

  12. 38 CFR 36.4707 - Determination fees.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... a servicer acting on behalf of the Secretary, on behalf of the borrower under 38 CFR 36.4706. (c...) LOAN GUARANTY Sale of Loans, Guarantee of Payment, and Flood Insurance § 36.4707 Determination fees. (a... a reasonable fee for determining whether the building or mobile home securing the loan is located...

  13. 7 CFR 29.111 - Weight determinations.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 7 Agriculture 2 2010-01-01 2010-01-01 false Weight determinations. 29.111 Section 29.111... REGULATIONS TOBACCO INSPECTION Regulations Inspectors, Samplers, and Weighers § 29.111 Weight determinations... the scales to be used by him. Except as may be otherwise specified by the Director, all...

  14. 7 CFR 29.111 - Weight determinations.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 7 Agriculture 2 2011-01-01 2011-01-01 false Weight determinations. 29.111 Section 29.111... REGULATIONS TOBACCO INSPECTION Regulations Inspectors, Samplers, and Weighers § 29.111 Weight determinations... the scales to be used by him. Except as may be otherwise specified by the Director, all...

  15. 19 CFR 351.210 - Final determination.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... 19 Customs Duties 3 2014-04-01 2014-04-01 false Final determination. 351.210 Section 351.210 Customs Duties INTERNATIONAL TRADE ADMINISTRATION, DEPARTMENT OF COMMERCE ANTIDUMPING AND COUNTERVAILING... determination, if: (i) In a situation where the Secretary simultaneously initiated antidumping...

  16. 19 CFR 351.210 - Final determination.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... 19 Customs Duties 3 2012-04-01 2012-04-01 false Final determination. 351.210 Section 351.210 Customs Duties INTERNATIONAL TRADE ADMINISTRATION, DEPARTMENT OF COMMERCE ANTIDUMPING AND COUNTERVAILING DUTIES Antidumping and Countervailing Duty Procedures § 351.210 Final determination. (a) Introduction. A “final determination” in an antidumping...

  17. 19 CFR 351.210 - Final determination.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 19 Customs Duties 3 2010-04-01 2010-04-01 false Final determination. 351.210 Section 351.210 Customs Duties INTERNATIONAL TRADE ADMINISTRATION, DEPARTMENT OF COMMERCE ANTIDUMPING AND COUNTERVAILING... determination, if: (i) In a situation where the Secretary simultaneously initiated antidumping...

  18. 19 CFR 351.210 - Final determination.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 19 Customs Duties 3 2011-04-01 2011-04-01 false Final determination. 351.210 Section 351.210 Customs Duties INTERNATIONAL TRADE ADMINISTRATION, DEPARTMENT OF COMMERCE ANTIDUMPING AND COUNTERVAILING... determination, if: (i) In a situation where the Secretary simultaneously initiated antidumping...

  19. 19 CFR 351.210 - Final determination.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... 19 Customs Duties 3 2013-04-01 2013-04-01 false Final determination. 351.210 Section 351.210 Customs Duties INTERNATIONAL TRADE ADMINISTRATION, DEPARTMENT OF COMMERCE ANTIDUMPING AND COUNTERVAILING... determination, if: (i) In a situation where the Secretary simultaneously initiated antidumping...

  20. 5 CFR 2634.503 - Determinations.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 5 Administrative Personnel 3 2010-01-01 2010-01-01 false Determinations. 2634.503 Section 2634.503 Administrative Personnel OFFICE OF GOVERNMENT ETHICS GOVERNMENT ETHICS EXECUTIVE BRANCH FINANCIAL DISCLOSURE, QUALIFIED TRUSTS, AND CERTIFICATES OF DIVESTITURE Revocation of Trust Certificates and Trustee Approvals § 2634.503 Determinations....

  1. 38 CFR 75.116 - Secretary determination.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 38 Pensions, Bonuses, and Veterans' Relief 2 2012-07-01 2012-07-01 false Secretary determination. 75.116 Section 75.116 Pensions, Bonuses, and Veterans' Relief DEPARTMENT OF VETERANS AFFAIRS (CONTINUED) INFORMATION SECURITY MATTERS Data Breaches § 75.116 Secretary determination. (a) Upon receipt of a risk analysis prepared under this subpart,...

  2. 7 CFR 47.49 - Determinations.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... Determinations. (a) The PACA Branch shall determine whether a person was at the time in issue responsibly... be made on the basis of license records on file with the PACA Branch, and such other information as... licensing of such person may be restricted, the PACA Branch shall notify the person in writing of his or...

  3. 41 CFR 101-39.102 - Determinations.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ...-INTERAGENCY FLEET MANAGEMENT SYSTEMS 39.1-Establishment, Modification, and Discontinuance of Interagency Fleet Management Systems § 101-39.102 Determinations. Each determination to establish a fleet management system... name of the executive agency designated to be responsible for operating the fleet management system...

  4. 46 CFR 296.50 - Administrative determinations.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... 46 Shipping 8 2014-10-01 2014-10-01 false Administrative determinations. 296.50 Section 296.50 Shipping MARITIME ADMINISTRATION, DEPARTMENT OF TRANSPORTATION REGULATIONS AFFECTING SUBSIDIZED VESSELS AND OPERATORS MARITIME SECURITY PROGRAM (MSP) Appeals Procedures § 296.50 Administrative determinations. (a) Policy. A Contractor who disagrees...

  5. 40 CFR 231.5 - Recommended determination.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... Regional Administrator or his designee shall promptly forward the recommended determination and... mail, with a copy to the Assistant Administrator for Water and Waste Management, who shall have 10 days... forward the administrative record to the Administrator for a final determination under § 231.6....

  6. 40 CFR 231.5 - Recommended determination.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... Regional Administrator or his designee shall promptly forward the recommended determination and... mail, with a copy to the Assistant Administrator for Water and Waste Management, who shall have 10 days... forward the administrative record to the Administrator for a final determination under § 231.6....

  7. 40 CFR 231.5 - Recommended determination.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 40 Protection of Environment 26 2012-07-01 2011-07-01 true Recommended determination. 231.5 Section 231.5 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) OCEAN DUMPING SECTION 404(c) PROCEDURES § 231.5 Recommended determination. (a) The Regional Administrator or his designee shall, within 30 days after the conclusion of...

  8. 19 CFR 210.18 - Summary determinations.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 19 Customs Duties 3 2011-04-01 2011-04-01 false Summary determinations. 210.18 Section 210.18 Customs Duties UNITED STATES INTERNATIONAL TRADE COMMISSION INVESTIGATIONS OF UNFAIR PRACTICES IN IMPORT TRADE ADJUDICATION AND ENFORCEMENT Motions § 210.18 Summary determinations. (a) Motions for...

  9. 19 CFR 210.18 - Summary determinations.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 19 Customs Duties 3 2010-04-01 2010-04-01 false Summary determinations. 210.18 Section 210.18 Customs Duties UNITED STATES INTERNATIONAL TRADE COMMISSION INVESTIGATIONS OF UNFAIR PRACTICES IN IMPORT TRADE ADJUDICATION AND ENFORCEMENT Motions § 210.18 Summary determinations. (a) Motions for...

  10. 38 CFR 17.364 - Eligibility determinations.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... purpose of meeting any requirement in 38 U.S.C. 1724 and 1732, and 38 CFR 17.36 through 17.37 for service... MEDICAL Grants to the Republic of the Philippines § 17.364 Eligibility determinations. Determinations...

  11. 40 CFR 231.5 - Recommended determination.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 40 Protection of Environment 24 2010-07-01 2010-07-01 false Recommended determination. 231.5 Section 231.5 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) OCEAN DUMPING SECTION 404(c) PROCEDURES § 231.5 Recommended determination. (a) The Regional Administrator or his...

  12. 20 CFR 404.920 - Reconsidered determination.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 404.920 Employees' Benefits SOCIAL SECURITY ADMINISTRATION FEDERAL OLD-AGE, SURVIVORS AND DISABILITY... Decisions Reconsideration § 404.920 Reconsidered determination. After you or another person requests a reconsideration, we will review the evidence we considered in making the initial determination and any...

  13. 49 CFR 107.221 - Determination.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... material transportation law or the regulations issued thereunder and does not unreasonably burden commerce... unreasonably burdens commerce, the Chief Counsel considers: (1) The extent to which increased costs and... Register, at which time the determination becomes a final agency action. (e) A determination under...

  14. 7 CFR 6.43 - Determinations.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... of the Secretary of Agriculture IMPORT QUOTAS AND FEES Price-Undercutting of Domestic Cheese by Quota Cheeses § 6.43 Determinations. (a) Making determinations. Not later than 30 days after receiving an... designated area the article of quota cheese alleged to be involved in price-undercutting, as obtained in...

  15. 7 CFR 6.43 - Determinations.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... of the Secretary of Agriculture IMPORT QUOTAS AND FEES Price-Undercutting of Domestic Cheese by Quota Cheeses § 6.43 Determinations. (a) Making determinations. Not later than 30 days after receiving an... designated area the article of quota cheese alleged to be involved in price-undercutting, as obtained in...

  16. 7 CFR 6.43 - Determinations.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... of the Secretary of Agriculture IMPORT QUOTAS AND FEES Price-Undercutting of Domestic Cheese by Quota Cheeses § 6.43 Determinations. (a) Making determinations. Not later than 30 days after receiving an... designated area the article of quota cheese alleged to be involved in price-undercutting, as obtained in...

  17. 7 CFR 6.43 - Determinations.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... of the Secretary of Agriculture IMPORT QUOTAS AND FEES Price-Undercutting of Domestic Cheese by Quota Cheeses § 6.43 Determinations. (a) Making determinations. Not later than 30 days after receiving an... designated area the article of quota cheese alleged to be involved in price-undercutting, as obtained in...

  18. 45 CFR 12a.4 - Suitability determination.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... PROPERTY TO ASSIST THE HOMELESS § 12a.4 Suitability determination. (a) Suitability determination. Within 30... § 12a.6, which properties are suitable for use as facilities to assist the homeless and report its... use as a facility to assist the homeless without regard to any particular use. (c)...

  19. 49 CFR 107.221 - Determination.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... material transportation law or the regulations issued thereunder and does not unreasonably burden commerce... unreasonably burdens commerce, the Chief Counsel considers: (1) The extent to which increased costs and... Register, at which time the determination becomes a final agency action. (e) A determination under...

  20. 12 CFR 572.8 - Determination fees.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... FLOOD HAZARDS § 572.8 Determination fees. (a) General. Notwithstanding any Federal or State law other than the Flood Disaster Protection Act of 1973, as amended (42 U.S.C. 4001-4129), any savings... flood hazard area. A determination fee may also include, but is not limited to, a fee for...

  1. 12 CFR 172.8 - Determination fees.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... FLOOD HAZARDS § 172.8 Determination fees. (a) General. Notwithstanding any Federal or state law other than the Flood Disaster Protection Act of 1973, as amended (42 U.S.C. 4001-4129), any Federal savings... flood hazard area. A determination fee may also include, but is not limited to, a fee for...

  2. 12 CFR 760.8 - Determination fees.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... HAVING SPECIAL FLOOD HAZARDS § 760.8 Determination fees. (a) General. Notwithstanding any Federal or State law other than the Flood Disaster Protection Act of 1973, as amended (42 U.S.C. 4001-4129), any... flood hazard area. A determination fee may also include, but is not limited to, a fee for...

  3. 12 CFR 572.8 - Determination fees.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... FLOOD HAZARDS § 572.8 Determination fees. (a) General. Notwithstanding any Federal or State law other than the Flood Disaster Protection Act of 1973, as amended (42 U.S.C. 4001-4129), any savings... flood hazard area. A determination fee may also include, but is not limited to, a fee for...

  4. 12 CFR 760.8 - Determination fees.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... HAVING SPECIAL FLOOD HAZARDS § 760.8 Determination fees. (a) General. Notwithstanding any Federal or State law other than the Flood Disaster Protection Act of 1973, as amended (42 U.S.C. 4001-4129), any... flood hazard area. A determination fee may also include, but is not limited to, a fee for...

  5. 12 CFR 572.8 - Determination fees.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... FLOOD HAZARDS § 572.8 Determination fees. (a) General. Notwithstanding any Federal or State law other than the Flood Disaster Protection Act of 1973, as amended (42 U.S.C. 4001-4129), any savings... flood hazard area. A determination fee may also include, but is not limited to, a fee for...

  6. 12 CFR 172.8 - Determination fees.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... FLOOD HAZARDS § 172.8 Determination fees. (a) General. Notwithstanding any Federal or state law other than the Flood Disaster Protection Act of 1973, as amended (42 U.S.C. 4001-4129), any Federal savings... flood hazard area. A determination fee may also include, but is not limited to, a fee for...

  7. 12 CFR 760.8 - Determination fees.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... HAVING SPECIAL FLOOD HAZARDS § 760.8 Determination fees. (a) General. Notwithstanding any Federal or State law other than the Flood Disaster Protection Act of 1973, as amended (42 U.S.C. 4001-4129), any... flood hazard area. A determination fee may also include, but is not limited to, a fee for...

  8. 12 CFR 172.8 - Determination fees.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... FLOOD HAZARDS § 172.8 Determination fees. (a) General. Notwithstanding any Federal or state law other than the Flood Disaster Protection Act of 1973, as amended (42 U.S.C. 4001-4129), any Federal savings... flood hazard area. A determination fee may also include, but is not limited to, a fee for...

  9. 48 CFR 30.202-7 - Determinations.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... REQUIREMENTS COST ACCOUNTING STANDARDS ADMINISTRATION CAS Program Requirements 30.202-7 Determinations. (a) Adequacy determination. (1) As prescribed by 48 CFR 9903.202-6 (FAR Appendix), the auditor shall— (i... not the disclosed practices comply with CAS and Part 31, as applicable; and (ii) Advise the CFAO...

  10. 48 CFR 30.202-7 - Determinations.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... REQUIREMENTS COST ACCOUNTING STANDARDS ADMINISTRATION CAS Program Requirements 30.202-7 Determinations. (a) Adequacy determination. (1) As prescribed by 48 CFR 9903.202-6 (FAR Appendix), the auditor shall— (i... not the disclosed practices comply with CAS and Part 31, as applicable; and (ii) Advise the CFAO...

  11. 48 CFR 30.202-7 - Determinations.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... REQUIREMENTS COST ACCOUNTING STANDARDS ADMINISTRATION CAS Program Requirements 30.202-7 Determinations. (a) Adequacy determination. (1) As prescribed by 48 CFR 9903.202-6 (FAR Appendix), the auditor shall— (i... not the disclosed practices comply with CAS and Part 31, as applicable; and (ii) Advise the CFAO...

  12. 48 CFR 30.202-7 - Determinations.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... REQUIREMENTS COST ACCOUNTING STANDARDS ADMINISTRATION CAS Program Requirements 30.202-7 Determinations. (a) Adequacy determination. (1) As prescribed by 48 CFR 9903.202-6 (FAR Appendix), the auditor shall— (i... not the disclosed practices comply with CAS and Part 31, as applicable; and (ii) Advise the CFAO...

  13. 48 CFR 30.202-7 - Determinations.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... REQUIREMENTS COST ACCOUNTING STANDARDS ADMINISTRATION CAS Program Requirements 30.202-7 Determinations. (a) Adequacy determination. (1) As prescribed by 48 CFR 9903.202-6 (FAR Appendix), the auditor shall— (i... not the disclosed practices comply with CAS and Part 31, as applicable; and (ii) Advise the CFAO...

  14. 41 CFR 101-39.102 - Determinations.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ...-INTERAGENCY FLEET MANAGEMENT SYSTEMS 39.1-Establishment, Modification, and Discontinuance of Interagency Fleet Management Systems § 101-39.102 Determinations. Each determination to establish a fleet management system... name of the executive agency designated to be responsible for operating the fleet management system...

  15. 41 CFR 101-39.102 - Determinations.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ...-INTERAGENCY FLEET MANAGEMENT SYSTEMS 39.1-Establishment, Modification, and Discontinuance of Interagency Fleet Management Systems § 101-39.102 Determinations. Each determination to establish a fleet management system... name of the executive agency designated to be responsible for operating the fleet management system...

  16. 41 CFR 101-39.102 - Determinations.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ...-INTERAGENCY FLEET MANAGEMENT SYSTEMS 39.1-Establishment, Modification, and Discontinuance of Interagency Fleet Management Systems § 101-39.102 Determinations. Each determination to establish a fleet management system... name of the executive agency designated to be responsible for operating the fleet management system...

  17. 40 CFR 231.5 - Recommended determination.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 40 Protection of Environment 25 2014-07-01 2014-07-01 false Recommended determination. 231.5 Section 231.5 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) OCEAN DUMPING SECTION 404(c) PROCEDURES § 231.5 Recommended determination. (a) The Regional Administrator or his...

  18. PRECONCENTRATION METHODS FOR TRACE ELEMENT DETERMINATION

    EPA Science Inventory

    This research had several objectives. One was to review the literature to determine methods of trace element preconcentration that could be used realistically for sample preparation for trace element determinations in drinking, natural and/or effluent waters. Elements included in...

  19. 7 CFR 1599.3 - Eligibility determination.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 7 Agriculture 10 2010-01-01 2010-01-01 false Eligibility determination. 1599.3 Section 1599.3 Agriculture Regulations of the Department of Agriculture (Continued) FOREIGN AGRICULTURAL SERVICE, DEPARTMENT OF AGRICULTURE McGOVERN-DOLE INTERNATIONAL FOOD FOR EDUCATION AND CHILD NUTRITION PROGRAM § 1599.3 Eligibility determination. (a) An entity...

  20. 42 CFR 422.566 - Organization determinations.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... 42 Public Health 3 2012-10-01 2012-10-01 false Organization determinations. 422.566 Section 422.566 Public Health CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) MEDICARE PROGRAM (CONTINUED) MEDICARE ADVANTAGE PROGRAM Grievances, Organization Determinations and Appeals § 422.566...

  1. Structure determination of transient transcription complexes.

    PubMed

    Cramer, Patrick

    2016-08-15

    The determination of detailed 3D structures of large and transient multicomponent complexes remains challenging. Here I describe the approaches that were used and developed by our laboratory to achieve structure solution of eukaryotic transcription complexes. I hope this collection serves as a resource for structural biologists seeking solutions for difficult structure determination projects. PMID:27528766

  2. 41 CFR 101-39.102 - Determinations.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... Regulations System FEDERAL PROPERTY MANAGEMENT REGULATIONS AVIATION, TRANSPORTATION, AND MOTOR VEHICLES 39-INTERAGENCY FLEET MANAGEMENT SYSTEMS 39.1-Establishment, Modification, and Discontinuance of Interagency Fleet Management Systems § 101-39.102 Determinations. Each determination to establish a fleet management...

  3. Choosing a Self-Determination Curriculum.

    ERIC Educational Resources Information Center

    Test, David W.; Karvonen, Meagan; Wood, Wendy M.; Browder, Diane; Algozzine, Bob

    2000-01-01

    This article describes a project to help educators improve the self-determination of students with disabilities. The project identified critical curricular components and developed a checklist to evaluate the different curricula designed to promote self-determination skills. Five curricula that have published research documenting their…

  4. 7 CFR 1437.102 - Yield determinations.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... Determining Yield Coverage Using Actual Production History § 1437.102 Yield determinations. (a) An actual... used in the actual production history base period when less than four consecutive crop years of actual... calculated, in the actual production history base period when the producer reports acreage for the crop...

  5. 7 CFR 1437.102 - Yield determinations.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... Determining Yield Coverage Using Actual Production History § 1437.102 Yield determinations. (a) An actual... used in the actual production history base period when less than four consecutive crop years of actual... calculated, in the actual production history base period when the producer reports acreage for the crop...

  6. 11 CFR 9409.9 - Final determination.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 11 Federal Elections 1 2012-01-01 2012-01-01 false Final determination. 9409.9 Section 9409.9 Federal Elections ELECTION ASSISTANCE COMMISSION TESTIMONY BY COMMISSION EMPLOYEES RELATING TO OFFICIAL INFORMATION AND PRODUCTION OF OFFICIAL RECORDS IN LEGAL PROCEEDINGS § 9409.9 Final determination. The...

  7. 11 CFR 9409.9 - Final determination.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 11 Federal Elections 1 2013-01-01 2012-01-01 true Final determination. 9409.9 Section 9409.9 Federal Elections ELECTION ASSISTANCE COMMISSION TESTIMONY BY COMMISSION EMPLOYEES RELATING TO OFFICIAL INFORMATION AND PRODUCTION OF OFFICIAL RECORDS IN LEGAL PROCEEDINGS § 9409.9 Final determination. The...

  8. 11 CFR 9409.9 - Final determination.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 11 Federal Elections 1 2011-01-01 2011-01-01 false Final determination. 9409.9 Section 9409.9 Federal Elections ELECTION ASSISTANCE COMMISSION TESTIMONY BY COMMISSION EMPLOYEES RELATING TO OFFICIAL INFORMATION AND PRODUCTION OF OFFICIAL RECORDS IN LEGAL PROCEEDINGS § 9409.9 Final determination. The...

  9. 11 CFR 9409.9 - Final determination.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 11 Federal Elections 1 2010-01-01 2010-01-01 false Final determination. 9409.9 Section 9409.9 Federal Elections ELECTION ASSISTANCE COMMISSION TESTIMONY BY COMMISSION EMPLOYEES RELATING TO OFFICIAL INFORMATION AND PRODUCTION OF OFFICIAL RECORDS IN LEGAL PROCEEDINGS § 9409.9 Final determination. The...

  10. 11 CFR 9409.9 - Final determination.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 11 Federal Elections 1 2014-01-01 2014-01-01 false Final determination. 9409.9 Section 9409.9 Federal Elections ELECTION ASSISTANCE COMMISSION TESTIMONY BY COMMISSION EMPLOYEES RELATING TO OFFICIAL INFORMATION AND PRODUCTION OF OFFICIAL RECORDS IN LEGAL PROCEEDINGS § 9409.9 Final determination. The...

  11. 77 FR 70454 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-11-26

    ... Register a ] proposed flood hazard determination notice at FR 77 44651 that contained a table which... notice published at 77 FR 44651 in the July 30, 2012, issue of the Federal Register, FEMA published a... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal...

  12. Determining a carbohydrate profile for Hansenula polymorpha

    NASA Technical Reports Server (NTRS)

    Petersen, G. R.

    1985-01-01

    The determination of the levels of carbohydrates in the yeast Hansenula polymorpha required the development of new analytical procedures. Existing fractionation and analytical methods were adapted to deal with the problems involved with the lysis of whole cells. Using these new procedures, the complete carbohydrate profiles of H. polymorpha and selected mutant strains were determined and shown to correlate favourably with previously published results.

  13. Impact significance determination-Pushing the boundaries

    SciTech Connect

    Lawrence, David P.

    2007-11-15

    Impact significance determination practice tends to be highly variable. Too often insufficient consideration is given to good practice insights. Also, impact significance determinations are frequently narrowly defined addressing, for example, only individual, negative impacts, focusing on bio-physical impacts, and not seeking to integrate either the Precautionary Principle or sustainability. This article seeks to extend the boundaries of impact significance determination practice by providing an overview of good general impact significance practices, together with stakeholder roles and potential methods for addressing significance determination challenges. Relevant thresholds, criteria, contextual considerations and support methods are also highlighted. The analysis is then extended to address how impact significance determination practices change for positive as compared with negative impacts, for cumulative as compared with individual impacts, for socio-economic as compared with bio-physical impacts, when the Precautionary Principle is integrated into the process, and when sustainability contributions drive the EIA process and related impact significance determinations. These refinements can assist EIA practitioners in ensuring that the scope and nature of impact significance determinations reflect the broadened scope of emerging EIA requirements and practices. Suggestions are included for further refining and testing of the proposed changes to impact significance determination practice.

  14. ZWY Sex Determination in Xenopus tropicalis

    EPA Science Inventory

    Most vertebrate species with described genetic sex determination are either male (XY) or female (ZW) heterogametic. To date, studies with Xenopus species indicate that members of this genus operate under a ZW sex determination system. We used two different approaches and demonst...

  15. 38 CFR 17.364 - Eligibility determinations.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... purpose of meeting any requirement in 38 U.S.C. 1724 and 1732, and 38 CFR 17.36 through 17.37 for service... MEDICAL Grants to the Republic of the Philippines § 17.364 Eligibility determinations. Determinations...

  16. 38 CFR 17.364 - Eligibility determinations.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... purpose of meeting any requirement in 38 U.S.C. 1724 and 1732, and 38 CFR 17.36 through 17.37 for service... MEDICAL Grants to the Republic of the Philippines § 17.364 Eligibility determinations. Determinations...

  17. 38 CFR 17.364 - Eligibility determinations.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... purpose of meeting any requirement in 38 U.S.C. 1724 and 1732, and 38 CFR 17.36 through 17.37 for service... MEDICAL Grants to the Republic of the Philippines § 17.364 Eligibility determinations. Determinations...

  18. 38 CFR 17.364 - Eligibility determinations.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... purpose of meeting any requirement in 38 U.S.C. 1724 and 1732, and 38 CFR 17.36 through 17.37 for service... MEDICAL Grants to the Republic of the Philippines § 17.364 Eligibility determinations. Determinations...

  19. 29 CFR 500.145 - Registration determinations.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 29 Labor 3 2011-07-01 2011-07-01 false Registration determinations. 500.145 Section 500.145 Labor Regulations Relating to Labor (Continued) WAGE AND HOUR DIVISION, DEPARTMENT OF LABOR REGULATIONS MIGRANT AND SEASONAL AGRICULTURAL WORKER PROTECTION Enforcement § 500.145 Registration determinations. Section...

  20. 29 CFR 500.145 - Registration determinations.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 29 Labor 3 2010-07-01 2010-07-01 false Registration determinations. 500.145 Section 500.145 Labor Regulations Relating to Labor (Continued) WAGE AND HOUR DIVISION, DEPARTMENT OF LABOR REGULATIONS MIGRANT AND SEASONAL AGRICULTURAL WORKER PROTECTION Enforcement § 500.145 Registration determinations. Section...

  1. Attitude determination using digital earth pictures

    NASA Technical Reports Server (NTRS)

    Gunshol, L. P.

    1975-01-01

    A computer program called PICATT is reported, which stands for picture attitude determination. Described are the particular satellite to which this technique of attitude determination has been applied, the method of solution, and the results that have been attained using the PICATT program.

  2. 75 FR 39277 - Sorbitol From France; Determination

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-07-08

    ... The Commission instituted this review on July 1, 2009 (74 FR 31762, July 2, 2009) and determined on... publishing the notice in the Federal Register on December 17, 2009 (74 FR 66992). The hearing was held in... COMMISSION Sorbitol From France; Determination On the basis of the record \\1\\ developed in the subject...

  3. 40 CFR 13.39 - Agency determination.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 40 Protection of Environment 1 2010-07-01 2010-07-01 false Agency determination. 13.39 Section 13.39 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY GENERAL CLAIMS COLLECTION STANDARDS Referral of Debts to IRS for Tax Refund Offset § 13.39 Agency determination. (a) Following review of...

  4. 40 CFR 13.39 - Agency determination.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 40 Protection of Environment 1 2013-07-01 2013-07-01 false Agency determination. 13.39 Section 13.39 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY GENERAL CLAIMS COLLECTION STANDARDS Referral of Debts to IRS for Tax Refund Offset § 13.39 Agency determination. (a) Following review of...

  5. 40 CFR 13.39 - Agency determination.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 40 Protection of Environment 1 2011-07-01 2011-07-01 false Agency determination. 13.39 Section 13.39 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY GENERAL CLAIMS COLLECTION STANDARDS Referral of Debts to IRS for Tax Refund Offset § 13.39 Agency determination. (a) Following review of...

  6. 40 CFR 13.39 - Agency determination.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 40 Protection of Environment 1 2012-07-01 2012-07-01 false Agency determination. 13.39 Section 13.39 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY GENERAL CLAIMS COLLECTION STANDARDS Referral of Debts to IRS for Tax Refund Offset § 13.39 Agency determination. (a) Following review of...

  7. 40 CFR 13.39 - Agency determination.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 40 Protection of Environment 1 2014-07-01 2014-07-01 false Agency determination. 13.39 Section 13.39 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY GENERAL CLAIMS COLLECTION STANDARDS Referral of Debts to IRS for Tax Refund Offset § 13.39 Agency determination. (a) Following review of...

  8. 42 CFR 417.838 - Organization determinations.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 42 Public Health 3 2010-10-01 2010-10-01 false Organization determinations. 417.838 Section 417... (CONTINUED) MEDICARE PROGRAM HEALTH MAINTENANCE ORGANIZATIONS, COMPETITIVE MEDICAL PLANS, AND HEALTH CARE PREPAYMENT PLANS Health Care Prepayment Plans § 417.838 Organization determinations. (a) Actions that...

  9. 50 CFR 296.11 - Final determination.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 50 Wildlife and Fisheries 7 2010-10-01 2010-10-01 false Final determination. 296.11 Section 296.11 Wildlife and Fisheries NATIONAL MARINE FISHERIES SERVICE, NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION, DEPARTMENT OF COMMERCE CONTINENTAL SHELF FISHERMEN'S CONTINGENCY FUND § 296.11 Final determination. (a) If...

  10. 50 CFR 296.9 - Initial determination.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 50 Wildlife and Fisheries 7 2010-10-01 2010-10-01 false Initial determination. 296.9 Section 296.9 Wildlife and Fisheries NATIONAL MARINE FISHERIES SERVICE, NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION, DEPARTMENT OF COMMERCE CONTINENTAL SHELF FISHERMEN'S CONTINGENCY FUND § 296.9 Initial determination....

  11. Crop height determination with UAS point clouds

    NASA Astrophysics Data System (ADS)

    Grenzdörffer, G. J.

    2014-11-01

    The accurate determination of the height of agricultural crops helps to predict yield, biomass etc. These relationships are of great importance not only for crop production but also in grassland management, because the available biomass and food quality are valuable information. However there is no cost efficient and automatic system for the determination of the crop height available. 3D-point clouds generated from high resolution UAS imagery offer a new alternative. Two different approaches for crop height determination are presented. The "difference method" were the canopy height is determined by taking the difference between a current UAS-surface model and an existing digital terrain model (DTM) is the most suited and most accurate method. In situ measurements, vegetation indices and yield observations correlate well with the determined UAS crop heights.

  12. Gravimetric gas determinations for volume calibrations

    SciTech Connect

    Gibbs, P.W.

    1991-01-01

    Gravimetric measurement of gases is one of the methods available for calibrating gas volumes. By inputting a known quantity of gas and measuring the resulting pressure and temperature, the system volume can be calculated using gas law principles. Historically, this method has been less accurate due to the difficulty in the mass determination. This difficulty comes from several sources. Two examples are the large tare weight of the gas container relative to the weight of gas and the external volume of the gas container relative to the standards. The application of a gravimetric gas determination to tank volume calibrations at the Savannah River Site is discussed. Mass determinations on a 25,000 gram gas container were such that a 1500 gram quantity of gas was routinely determined to within {plus minus}0.2 gram at the 99% confidence level. The weighing design and the methods used to address the difficulties of the mass determination are detailed.

  13. Gravimetric gas determinations for volume calibrations

    SciTech Connect

    Gibbs, P.W.

    1991-12-31

    Gravimetric measurement of gases is one of the methods available for calibrating gas volumes. By inputting a known quantity of gas and measuring the resulting pressure and temperature, the system volume can be calculated using gas law principles. Historically, this method has been less accurate due to the difficulty in the mass determination. This difficulty comes from several sources. Two examples are the large tare weight of the gas container relative to the weight of gas and the external volume of the gas container relative to the standards. The application of a gravimetric gas determination to tank volume calibrations at the Savannah River Site is discussed. Mass determinations on a 25,000 gram gas container were such that a 1500 gram quantity of gas was routinely determined to within {plus_minus}0.2 gram at the 99% confidence level. The weighing design and the methods used to address the difficulties of the mass determination are detailed.

  14. Determination Of Ph Including Hemoglobin Correction

    DOEpatents

    Maynard, John D.; Hendee, Shonn P.; Rohrscheib, Mark R.; Nunez, David; Alam, M. Kathleen; Franke, James E.; Kemeny, Gabor J.

    2005-09-13

    Methods and apparatuses of determining the pH of a sample. A method can comprise determining an infrared spectrum of the sample, and determining the hemoglobin concentration of the sample. The hemoglobin concentration and the infrared spectrum can then be used to determine the pH of the sample. In some embodiments, the hemoglobin concentration can be used to select an model relating infrared spectra to pH that is applicable at the determined hemoglobin concentration. In other embodiments, a model relating hemoglobin concentration and infrared spectra to pH can be used. An apparatus according to the present invention can comprise an illumination system, adapted to supply radiation to a sample; a collection system, adapted to collect radiation expressed from the sample responsive to the incident radiation; and an analysis system, adapted to relate information about the incident radiation, the expressed radiation, and the hemoglobin concentration of the sample to pH.

  15. The GEOS-3 orbit determination investigation

    NASA Technical Reports Server (NTRS)

    Pisacane, V. L.; Eisner, A.; Yionoulis, S. M.; Mcconahy, R. J.; Black, H. D.; Pryor, L. L.

    1978-01-01

    The nature and improvement in satellite orbit determination when precise altimetric height data are used in combination with conventional tracking data was determined. A digital orbit determination program was developed that could singly or jointly use laser ranging, C-band ranging, Doppler range difference, and altimetric height data. Two intervals were selected and used in a preliminary evaluation of the altimeter data. With the data available, it was possible to determine the semimajor axis and eccentricity to within several kilometers, in addition to determining an altimeter height bias. When used jointly with a limited amount of either C-band or laser range data, it was shown that altimeter data can improve the orbit solution.

  16. Biosynthesis of allene oxides in Physcomitrella patens

    PubMed Central

    2012-01-01

    Background The moss Physcomitrella patens contains C18- as well as C20-polyunsaturated fatty acids that can be metabolized by different enzymes to form oxylipins such as the cyclopentenone cis(+)-12-oxo phytodienoic acid. Mutants defective in the biosynthesis of cyclopentenones showed reduced fertility, aberrant sporophyte morphology and interrupted sporogenesis. The initial step in this biosynthetic route is the conversion of a fatty acid hydroperoxide to an allene oxide. This reaction is catalyzed by allene oxide synthase (AOS) belonging as hydroperoxide lyase (HPL) to the cytochrome P450 family Cyp74. In this study we characterized two AOS from P. patens, PpAOS1 and PpAOS2. Results Our results show that PpAOS1 is highly active with both C18 and C20-hydroperoxy-fatty acid substrates, whereas PpAOS2 is fully active only with C20-substrates, exhibiting trace activity (~1000-fold lower kcat/KM) with C18 substrates. Analysis of products of PpAOS1 and PpHPL further demonstrated that both enzymes have an inherent side activity mirroring the close inter-connection of AOS and HPL catalysis. By employing site directed mutagenesis we provide evidence that single amino acid residues in the active site are also determining the catalytic activity of a 9-/13-AOS – a finding that previously has only been reported for substrate specific 13-AOS. However, PpHPL cannot be converted into an AOS by exchanging the same determinant. Localization studies using YFP-labeled AOS showed that PpAOS2 is localized in the plastid while PpAOS1 may be found in the cytosol. Analysis of the wound-induced cis(+)-12-oxo phytodienoic acid accumulation in PpAOS1 and PpAOS2 single knock-out mutants showed that disruption of PpAOS1, in contrast to PpAOS2, results in a significantly decreased cis(+)-12-oxo phytodienoic acid formation. However, the knock-out mutants of neither PpAOS1 nor PpAOS2 showed reduced fertility, aberrant sporophyte morphology or interrupted sporogenesis. Conclusions Our study

  17. The determinants of the antibiotic resistance process

    PubMed Central

    Franco, Beatriz Espinosa; Altagracia Martínez, Marina; Sánchez Rodríguez, Martha A; Wertheimer, Albert I

    2009-01-01

    Background: The use of antibiotic drugs triggers a complex interaction involving many biological, sociological, and psychological determinants. Resistance to antibiotics is a serious worldwide problem which is increasing and has implications for morbidity, mortality, and health care both in hospitals and in the community. Objectives: To analyze current research on the determinants of antibiotic resistance and comprehensively review the main factors in the process of resistance in order to aid our understanding and assessment of this problem. Methods: We conducted a MedLine search using the key words “determinants”, “antibiotic”, and “antibiotic resistance” to identify publications between 1995 and 2007 on the determinants of antibiotic resistance. Publications that did not address the determinants of antibiotic resistance were excluded. Results: The process and determinants of antibiotic resistance are described, beginning with the development of antibiotics, resistance and the mechanisms of resistance, sociocultural determinants of resistance, the consequences of antibiotic resistance, and alternative measures proposed to combat antibiotic resistance. Conclusions: Analysis of the published literature identified the main determinants of antibiotic resistance as irrational use of antibiotics in humans and animal species, insufficient patient education when antibiotics are prescribed, lack of guidelines for treatment and control of infections, lack of scientific information for physicians on the rational use of antibiotics, and lack of official government policy on the rational use of antibiotics in public and private hospitals. PMID:21694883

  18. Genetics of sex determination in tilapiine species.

    PubMed

    Cnaani, A; Lee, B-Y; Zilberman, N; Ozouf-Costaz, C; Hulata, G; Ron, M; D'Hont, A; Baroiller, J-F; D'Cotta, H; Penman, D J; Tomasino, E; Coutanceau, J-P; Pepey, E; Shirak, A; Kocher, T D

    2008-01-01

    We identified DNA markers linked to sex determining genes in six closely related species of tilapiine fishes. The mode of sex determination differed among species. In Oreochromis karongae and Tilapia mariae the sex-determining locus is on linkage group (LG) 3 and the female is heterogametic (WZ-ZZ system). In O. niloticus and T. zillii the sex-determining locus is on LG1 and the male is heterogametic (XX-XY system). A more complex pattern was observed in O. aureus and O. mossambicus, in which markers on both LG1 and LG3 were associated with sex. We found evidence for sex-linked lethal effects on LG1, as well as interactions between loci in the two linkage groups. Comparison of genetic and physical maps demonstrated a broad region of recombination suppression harboring the sex-determining locus on LG3. Sex-specific recombination suppression was found in the female heterogametic sex. Sequence analysis showed the accumulation of repetitive elements in this region. Phylogenetic analysis suggests that at least two transitions in the mode of sex determination have occurred in this clade. This variation in sex determination mechanisms among closely related species makes tilapias an excellent model system for studying the evolution of sex chromosomes in vertebrates. PMID:18418034

  19. Determining Polarities Of Distant Lightning Strokes

    NASA Technical Reports Server (NTRS)

    Blakeslee, Richard J.; Brook, Marx

    1990-01-01

    Method for determining polarities of lightning strokes more than 400 km away. Two features of signal from each stroke correlated. New method based on fact each stroke observed thus far for which polarity determined unambiguously, initial polarity of tail same as polarity of initial deflection before initial-deflection signal altered by propagation effects. Receiving station equipped with electric-field-change antenna coupled to charge amplifier having time constant of order of 1 to 10 seconds. Output of amplifier fed to signal-processing circuitry, which determines initial polarity of tail.

  20. Woodcock age and sex determination from wings

    USGS Publications Warehouse

    Martin, F.W.

    1964-01-01

    Age of woodcock (Philohela minor) can be accurately determined throughout the year by differences in pattern, color, and wear of secondary feathers. Immature woodcock retain most secondaries during the postjuvenal molt that begins in July or August and ends in October. In contrast, subadults (first-year adults) and older woodcock molt all secondaries during the postnuptial molt beginning in June or July and ending in October. Retention of juvenal secondaries by immatures and molt of these feathers by adults form the basis for age determination. Sex of woodcock can be accurately determined by width of the outer three primaries, which are conspicuously narrower on males.

  1. In-situ permeability determining method

    SciTech Connect

    Dowling, D.J.; Arnold, D.M.; Richter, A.P. Jr.; Warren, W.F.

    1985-01-29

    A method of determining the permeability of a particular stratum in an earth formation traversed by a borehole includes injecting a liquid into the borehole at a first pressure thereby causing liquid flow into the stratum. A first flow rate of the liquid is determined at the first pressure. The pressure of the liquid being injected into the borehole is then changed to a second pressure level and a second flow rate of the liquid flowing into the stratum is determined at the second pressure. An indication of the permeability of the stratum is then derived in accordance with the two pressures, the two flow rates and known characteristics of the stratum.

  2. Determining Price Reasonableness in Federal ESPCs

    SciTech Connect

    Shonder, J.A.

    2005-03-08

    This document reports the findings and implementation recommendations of the Price Reasonableness Working Group to the Federal ESPC Steering Committee. The working group was formed to address concerns of agencies and oversight organizations related to pricing and fair and reasonable price determination in federal energy savings performance contracts (ESPCs). This report comprises the working group's recommendations and is the proposed draft of a training curriculum on fair and reasonable price determination for users of federal ESPCs. The report includes: (1) A review of federal regulations applicable to determining price reasonableness of federal ESPCs (section 2), (2) Brief descriptions of the techniques described in Federal Acquisition Regulations (FAR) 15.404-1 and their applicability to ESPCs (section 3), and (3) Recommended strategies and procedures for cost-effectively completing price reasonableness determinations (sections 4). Agencies have struggled with fair and reasonable price determinations in their ESPCs primarily because this alternative financing vehicle is relatively new and relatively rare in the federal sector. The methods of determining price reasonableness most familiar to federal contracting officers (price competition based on the government's design and specifications, in particular) are generally not applicable to ESPCs. The regulatory requirements for determining price reasonableness in federal ESPCs have also been misunderstood, as federal procurement professionals who are inexperienced with ESPCs are further confused by multiple directives, including Executive Order 13123, which stresses life-cycle cost-effectiveness. Uncertainty about applicable regulations and inconsistent practice and documentation among agencies have fueled claims that price reasonableness determinations have not been sufficiently rigorous in federal ESPCs or that the prices paid in ESPCs are generally higher than the prices paid for similar goods and services

  3. Polarographic determination of tungsten in rocks

    USGS Publications Warehouse

    Reichen, L.E.

    1954-01-01

    This work was undertaken to develop a simpler and faster method than the classical gravimetric procedure for the determination of tungsten in rocks and ores. A new polarographic wave of tungsten is obtained in a supporting electrolyte of dilute hydrochloric acid containing tartrate ion. This permits the determination of tungsten both rapidly and accurately. No precipitation of the tungsten is necessary, and only the iron need be separated from the tungsten. The accuracy is within the limits of a polarographic procedure; comparison of polarographic and gravimetric results is given. The method reduces appreciably the amount of time ordinarily consumed in determination of tungsten.

  4. Determining electrochemical parameters with dual electrodes

    SciTech Connect

    Bandy, R.; van Rooyen, D.

    1981-01-01

    Use of the two-electrode method for determining corrosion rates and Tafel constants is described. The method involves polarization resistance measurements, as well as polarization data further from the corrosion potential. Combined treatment of these data enables the determination of Tafel constants and corrosion rates. It is also shown that values for corrosion potentials can be obtained with good accuracy when exchange current densities of anodic and cathodic reactions are known. This method overcomes some of the earlier drawbacks of the two-electrode technique, such as the need for separate, three-electrode Tafel constant determinations.

  5. Development of Methods for Determination of Aflatoxins.

    PubMed

    Xie, Lijuan; Chen, Min; Ying, Yibin

    2016-12-01

    Aflatoxins can cause damage to the health of humans and animals. Several institutions around the world have established regulations to limit the levels of aflatoxins in food, and numerous analytical methods have been extensively developed for aflatoxin determination. This review covers the currently used analytical methods for the determination of aflatoxins in different food matrices, which includes sampling and sample preparation, sample pretreatment methods including extraction methods and purification methods of aflatoxin extracts, separation and determination methods. Validation for analysis of aflatoxins and safety considerations and precautions when doing the experiments are also discussed. PMID:25840003

  6. A Multichannel Bioluminescence Determination Platform for Bioassays.

    PubMed

    Kim, Sung-Bae; Naganawa, Ryuichi

    2016-01-01

    The present protocol introduces a multichannel bioluminescence determination platform allowing a high sample throughput determination of weak bioluminescence with reduced standard deviations. The platform is designed to carry a multichannel conveyer, an optical filter, and a mirror cap. The platform enables us to near-simultaneously determine ligands in multiple samples without the replacement of the sample tubes. Furthermore, the optical filters beneath the multichannel conveyer are designed to easily discriminate colors during assays. This optical system provides excellent time- and labor-efficiency to users during bioassays. PMID:27424912

  7. Determination of color of turbid waters

    USGS Publications Warehouse

    Lamar, W.L.

    1949-01-01

    A convenient procedure for determining the color of turbid waters, using the principle of precipitation of turbidity by the electrolyte calcium chloride, is described. Because the stable turbidity of many surface waters cannot be completely precipitated by conventional centrifuging alone, this procedure presents a means of flocculating the turbidity without affecting the true color of the water. In the determination of true color of turbid samples one of the most prevalent errors is caused by the reading of color on samples not completely free of turbidity. Pertinent data are presented on color and turbidity of waters as related to the principles involved in the determination of color.

  8. Leptin production and release in the dually in vitro perfused human placenta.

    PubMed

    Linnemann, K; Malek, A; Sager, R; Blum, W F; Schneider, H; Fusch, C

    2000-11-01

    There is clear evidence that the placenta produces leptin. However, it is still unclear to what extent leptin is released into the maternal and the fetal circulation. The aim of our study was to determine placental leptin release rates into these 2 compartments. In 10 term placentas, using dual in vitro perfusion of an isolated cotyledon, concentrations of leptin, hCG, and human placental lactogen (hPL) were determined in perfusates and in the tissue before and after perfusion. With perfusions lasting 270-840 min, total leptin production was 225 pg/g x min [median; interquartile range (IQR), 76-334 pg/g x min]. The release into the fetal circulation was very low (median, 2.5; IQR, 1.1-5.9 pg/g x min) compared with the release into the maternal circulation (median, 203; IQR, 79-373 pg/g x min) corresponding to 1.6% and 98.4% of net release. Only 0.05% of hPL and hCG were released into the fetal circulation and 99.95% into the maternal circulation, confirming previous results. Release into the fetal circulation correlated significantly with release into the maternal circulation for leptin (r = 0.648; P < 0.05) and hPL (r = 0.721; P < 0.05). Furthermore, release of leptin into the fetal circulation was positively correlated with release of fetal hCG (r = 0.661; P < 0.05). Most of the leptin produced by the placenta is released into the maternal circulation, but compared with other placental hormones (hCG and hPL), a considerably higher proportion of leptin is released into the fetal circulation. These findings may at least partially explain the marked increase in maternal serum leptin levels in pregnancy. The rapid postnatal decrease in leptin levels in both the mother and the neonate is also consistent with the concept of placental origin. PMID:11095471

  9. 45 CFR 150.219 - Final determination.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... Are Failing To Substantially Enforce HIPAA Requirements § 150.219 Final determination. If, after...) Identification of the HIPAA requirements that CMS is enforcing. (b) The effective date of CMS's enforcement....

  10. 45 CFR 150.217 - Preliminary determination.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... Are Failing To Substantially Enforce HIPAA Requirements § 150.217 Preliminary determination. If, at... that it is substantially enforcing the HIPAA requirements described in the notice, CMS takes...

  11. 45 CFR 150.219 - Final determination.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... Are Failing To Substantially Enforce HIPAA Requirements § 150.219 Final determination. If, after...) Identification of the HIPAA requirements that CMS is enforcing. (b) The effective date of CMS's enforcement....

  12. 45 CFR 150.217 - Preliminary determination.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... Are Failing To Substantially Enforce HIPAA Requirements § 150.217 Preliminary determination. If, at... that it is substantially enforcing the HIPAA requirements described in the notice, CMS takes...

  13. 45 CFR 150.219 - Final determination.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... Are Failing To Substantially Enforce HIPAA Requirements § 150.219 Final determination. If, after...) Identification of the HIPAA requirements that CMS is enforcing. (b) The effective date of CMS's enforcement....

  14. 45 CFR 150.217 - Preliminary determination.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... Are Failing To Substantially Enforce HIPAA Requirements § 150.217 Preliminary determination. If, at... that it is substantially enforcing the HIPAA requirements described in the notice, CMS takes...

  15. Temperature profile determination in an absorbing plasma.

    NASA Technical Reports Server (NTRS)

    Usher, J. L.; Campbell, H. D.

    1972-01-01

    A new method has been developed to determine the temperature profile of an optically-non-thin plasma. The technique is essentially an extension of the brightness-emissivity method to the case of a cylindrically-symmetric plasma.

  16. Simultaneous Determination of Amlodipine and Valsartan

    PubMed Central

    Mohamed, Nashwah Gadallah

    2011-01-01

    A spectrophotometric method was developed for simultaneous determination of amlodipine (Aml) and valsartan (Val) without previous separation. In this method amlodipine in methanolic solution was determined using zero order UV spectrophotometry by measuring its absorbency at 360.5 nm without any interference from valsartan. Valsartan spectrum in zero order is totally overlapped with that of amlodipine. First, second and third derivative could not resolve the overlapped peaks. The first derivative of the ratio spectra technique was applied for the measurement of valsartan. The ratio spectrum was obtained by dividing the absorption spectrum of the mixture by that of amlodipine, so that the concentration of valsartan could be determined from the first derivative of the ratio spectrum at 290 nm. Quantification limits of amlodipine and valsartan were 10–80 μg/ml and 20–180 μg/ml respectively. The method was successfully applied for the quantitative determination of both drugs in bulk powder and pharmaceutical formulation. PMID:21918600

  17. 27 CFR 19.346 - Determining obscuration.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... water may be added to a lot of spirits to be bottled for which the determination of proof obscuration is... chapter, the proof obscuration of spirits to be bottled on the basis of a representative sample taken...

  18. 27 CFR 19.346 - Determining obscuration.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... water may be added to a lot of spirits to be bottled for which the determination of proof obscuration is... chapter, the proof obscuration of spirits to be bottled on the basis of a representative sample taken...

  19. 27 CFR 19.346 - Determining obscuration.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... water may be added to a lot of spirits to be bottled for which the determination of proof obscuration is... chapter, the proof obscuration of spirits to be bottled on the basis of a representative sample taken...

  20. 27 CFR 19.346 - Determining obscuration.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... water may be added to a lot of spirits to be bottled for which the determination of proof obscuration is... chapter, the proof obscuration of spirits to be bottled on the basis of a representative sample taken...

  1. Rapid analytical determination of glutaraldehyde concentrations

    NASA Technical Reports Server (NTRS)

    Frigerio, N. A.; Shaw, M. H.

    1971-01-01

    Technique utilizes the iodimetric procedure which adds unknown excess of bisulfite to glutaraldehyde /GA/ then titrates unreacted bisulfite with standard iodine isotope to determine GA concentrations. Technique may interest microscopists, food researchers, biochemical or medical laboratories, and drug manufacturers.

  2. 77 FR 56669 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-09-13

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  3. 78 FR 8181 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-02-05

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  4. Method for determining permeability in hydrocarbon wells

    SciTech Connect

    Boone, D.E.

    1990-10-09

    This patent describes a method of determining at the earth's surface the permeability of a subsurface earth formation having a known nominal hydrocarbon pore saturation value. The formation is tranversed by a borehole resulting from drilling with a drill bit.

  5. Determining the Population Size of Pond Phytoplankton.

    ERIC Educational Resources Information Center

    Hummer, Paul J.

    1980-01-01

    Discusses methods for determining the population size of pond phytoplankton, including water sampling techniques, laboratory analysis of samples, and additional studies worthy of investigation in class or as individual projects. (CS)

  6. Immigration as a social determinant of health.

    PubMed

    Castañeda, Heide; Holmes, Seth M; Madrigal, Daniel S; Young, Maria-Elena DeTrinidad; Beyeler, Naomi; Quesada, James

    2015-03-18

    Although immigration and immigrant populations have become increasingly important foci in public health research and practice, a social determinants of health approach has seldom been applied in this area. Global patterns of morbidity and mortality follow inequities rooted in societal, political, and economic conditions produced and reproduced by social structures, policies, and institutions. The lack of dialogue between these two profoundly related phenomena-social determinants of health and immigration-has resulted in missed opportunities for public health research, practice, and policy work. In this article, we discuss primary frameworks used in recent public health literature on the health of immigrant populations, note gaps in this literature, and argue for a broader examination of immigration as both socially determined and a social determinant of health. We discuss priorities for future research and policy to understand more fully and respond appropriately to the health of the populations affected by this global phenomenon. PMID:25494053

  7. 77 FR 40627 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-07-10

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency... Administrator for Mitigation, Department of Homeland Security, Federal Emergency Management Agency. BILLING CODE... Development Building, 25 Dorrance Street, Providence, RI 02903. Big Horn County, Wyoming, and...

  8. A Quantitative Gas Chromatographic Ethanol Determination.

    ERIC Educational Resources Information Center

    Leary, James J.

    1983-01-01

    Describes a gas chromatographic experiment for the quantitative determination of volume percent ethanol in water ethanol solutions. Background information, procedures, and typical results are included. Accuracy and precision of results are both on the order of two percent. (JN)

  9. Determinant of securitization asset pricing in Malaysia

    NASA Astrophysics Data System (ADS)

    Bakri, M. H.; Ali, R.; Ismail, S.; Sufian, F.; Baharom, A. H.

    2014-12-01

    Malaysian firms have been reported involve in Asset Back Securities since 1986s where Cagamas is a pioneer. This research aims to examine the factor influencing primary market spread. Least square method and regression analysis are applied for the study period 2004-2012. The result shows one determinants in internal regression model and three determinants in external regression influence or contribute to the primary market spread and are statistically significant in developing the securitization in Malaysia. It can be concluded that transaction size significantly contribute to the determinant primary market spread in internal regression model while liquidity, transaction size and crisis is significant in both regression model. From five hypotheses, three hypotheses support that the determinants have a relationship with primary market spread.

  10. 78 FR 77481 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-12-23

    ... SECURITY Federal Emergency Management Agency ; Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  11. 77 FR 76501 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-12-28

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  12. 78 FR 72920 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-12-04

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  13. 40 CFR 1042.315 - Determining compliance.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... value for the final test results on that engine. Include the Green Engine Factor to determine low-hour... application for certification to raise the FEL of the engine family as described in § 1042.225(f)....

  14. 78 FR 43906 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-07-22

    ... Riverside Riverside County Flood Control County. and Water Conservation District, 1995 Market Street... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood...

  15. ISS Update: Attitude Determination and Control Officer

    NASA Video Gallery

    NASA Public Affairs Officer Dan Huot talks with Attitude Determination and Control Officer (ADCO) flight controller Ann Esbeck in the Mission Control Center at Johnson Space Center. They discuss th...

  16. 29 CFR 4.3 - Wage determinations.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    .... While prevailing wage determinations based upon cross-industry survey data are applicable to most... contracts is often different and the geographic scope of the underlying survey data for the...

  17. 29 CFR 4.3 - Wage determinations.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    .... While prevailing wage determinations based upon cross-industry survey data are applicable to most... contracts is often different and the geographic scope of the underlying survey data for the...

  18. 29 CFR 4.3 - Wage determinations.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    .... While prevailing wage determinations based upon cross-industry survey data are applicable to most... contracts is often different and the geographic scope of the underlying survey data for the...

  19. Fuglede-Kadison determinant: theme and variations.

    PubMed

    de la Harpe, Pierre

    2013-10-01

    We review the definition of determinants for finite von Neumann algebras, due to Fuglede and Kadison [Fuglede B, Kadison R (1952) Ann Math 55:520-530], and a generalization for appropriate groups of invertible elements in Banach algebras, from a paper by Skandalis and the author (1984). After some discussion of K-theory and Whitehead torsion, we indicate the relevance of these determinants to the study of -torsion in topology. Contents are as follows:1. The classical setting. 2. On von Neumann algebras and traces. 3. Fuglede-Kadison determinant for finite von Neumann algebras. 4. Motivating question. 5. Brief reminder of K0, K1, K1(top), and Bott periodicity. 6. Revisiting the Fuglede-Kadison and other determinants. 7. On Whitehead torsion. 8. A few lines on L2-torsion. PMID:24082099

  20. Fuglede–Kadison determinant: theme and variations

    PubMed Central

    de la Harpe, Pierre

    2013-01-01

    We review the definition of determinants for finite von Neumann algebras, due to Fuglede and Kadison [Fuglede B, Kadison R (1952) Ann Math 55:520–530], and a generalization for appropriate groups of invertible elements in Banach algebras, from a paper by Skandalis and the author (1984). After some discussion of K-theory and Whitehead torsion, we indicate the relevance of these determinants to the study of -torsion in topology. Contents are as follows:1. The classical setting.2. On von Neumann algebras and traces.3. Fuglede–Kadison determinant for finite von Neumann algebras.4. Motivating question.5. Brief reminder of , , , and Bott periodicity.6. Revisiting the Fuglede–Kadison and other determinants.7. On Whitehead torsion.8. A few lines on -torsion. PMID:24082099

  1. Demagnetization using a determined estimated magnetic state

    DOEpatents

    Denis, Ronald J; Makowski, Nathanael J

    2015-01-13

    A method for demagnetizing comprising positioning a core within the electromagnetic field generated by a first winding until the generated first electrical current is not substantially increasing, thereby determining a saturation current. A second voltage, having the opposite polarity, is then applied across the first winding until the generated second electrical current is approximately equal to the magnitude of the determined saturation current. The maximum magnetic flux within the core is then determined using the voltage across said first winding and the second current. A third voltage, having the opposite polarity, is then applied across the first winding until the core has a magnetic flux equal to approximately half of the determined maximum magnetic flux within the core.

  2. Goddard trajectory determination subsystem: Mathematical specifications

    NASA Technical Reports Server (NTRS)

    Wagner, W. E. (Editor); Velez, C. E. (Editor)

    1972-01-01

    The mathematical specifications of the Goddard trajectory determination subsystem of the flight dynamics system are presented. These specifications include the mathematical description of the coordinate systems, dynamic and measurement model, numerical integration techniques, and statistical estimation concepts.

  3. 7 CFR 51.1416 - Optional determinations.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... throughout the lot. (a) Edible kernel content. A minimum sample of at least 500 grams of in-shell pecans... least 500 grams of in-shell pecans shall be used for determination of poorly developed kernel...

  4. 77 FR 25495 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-04-30

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  5. 77 FR 44650 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-07-30

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  6. 77 FR 73490 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-12-10

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  7. 78 FR 36217 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-06-17

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  8. 78 FR 36212 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-06-17

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  9. 77 FR 50709 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-08-22

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  10. 78 FR 20341 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-04-04

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  11. 78 FR 20339 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-04-04

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  12. 78 FR 20343 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-04-04

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  13. 77 FR 46104 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-08-02

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  14. 78 FR 32679 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-05-31

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  15. 78 FR 20344 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-04-04

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  16. 78 FR 48888 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-08-12

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  17. 78 FR 43907 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-07-22

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  18. 78 FR 28888 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-05-16

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  19. 78 FR 58334 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-09-23

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  20. 78 FR 43910 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-07-22

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  1. 78 FR 43909 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-07-22

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  2. 78 FR 14584 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-03-06

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  3. 78 FR 36222 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-06-17

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  4. 77 FR 27076 - Proposed Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-05-08

    ... SECURITY Federal Emergency Management Agency Proposed Flood Hazard Determinations AGENCY: Federal Emergency Management Agency, DHS. ACTION: Notice. SUMMARY: Comments are requested on proposed flood hazard..., Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the...

  5. 42 CFR 423.566 - Coverage determinations.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... out-of-network pharmacy, or because the Part D plan sponsor determines that the drug is otherwise... care professional must have a current and unrestricted license to practice within the scope of his...

  6. Cone Penetrometer N Factor Determination Testing Results

    SciTech Connect

    Follett, Jordan R.

    2014-03-05

    This document contains the results of testing activities to determine the empirical 'N Factor' for the cone penetrometer in kaolin clay simulant. The N Factor is used to releate resistance measurements taken with the cone penetrometer to shear strength.

  7. Isolation, Expression, and Characterization of a Hydroperoxide Lyase Gene from Cucumber

    PubMed Central

    Wan, Xu-Hua; Chen, Shu-Xia; Wang, Cong-Ying; Zhang, Ran-Ran; Cheng, Si-Qiong; Meng, Huan-Wen; Shen, Xiao-Qing

    2013-01-01

    A full-length cDNA coding for hydroperoxide lyase (CsHPL) was isolated from cucumber fruits of No. 26 (Southern China type) and No.14-1 (Northern China type), which differed significantly in fruit flavor. The deduced amino acid sequences of CsHPL from both lines show the same and significant similarity to known plant HPLs and contain typical conserved domains of HPLs. The recombinant CsHPL was confirmed to have 9/13-HPL enzymatic activity. Gene expression levels of CsHPL were measured in different organs, especially in fruits of different development stages of both lines. The HPL activities of fruit were identified basing on the catalytic action of crude enzyme extracts incubating with 13-HPOD (13-hydroperoxy-(9Z,12E)-octadecadienoic acid) and 13-HPOD + 9-HPOD (9-hydroperoxy-(10E,12Z)-octadecadienoic acid), and volatile reaction products were analyzed by GC-MS (gas chromatography-mass spectrometry). CsHPL gene expression in No. 26 fruit occurred earlier than that of total HPL enzyme activity and 13-HPL enzyme activity, and that in No. 14-1 fruit was consistent with total HPL enzyme activity and 9-HPL enzyme activity. 13-HPL enzyme activities decreased significantly and the 9-HPL enzyme activities increased significantly with fruit ripening in both lines, which accounted for the higher content of C6 aldehydes at 0–6 day post-anthesis (dpa) and higher content of C9 aldehydes at 9–12 dpa. PMID:24213607

  8. Determinants of injuries in passenger vessel accidents.

    PubMed

    Yip, Tsz Leung; Jin, Di; Talley, Wayne K

    2015-09-01

    This paper investigates determinants of crew and passenger injuries in passenger vessel accidents. Crew and passenger injury equations are estimated for ferry, ocean cruise, and river cruise vessel accidents, utilizing detailed data of individual vessel accidents that were investigated by the U.S. Coast Guard during the time period 2001-2008. The estimation results provide empirical evidence (for the first time in the literature) that crew injuries are determinants of passenger injuries in passenger vessel accidents. PMID:26070017

  9. Probabilistic methods for robot motion determination

    NASA Technical Reports Server (NTRS)

    Balaram, J.

    1989-01-01

    The outline of a research effort in probabilistic approaches to robot motion determination is presented. A heuristic path planner that has met with considerable success in the JPL telerobot testbed is presented together with an interpretation of its performance. The relevance of techniques from stochastic geometry and stochastic diffusion is addressed, as is the possibility of using sensor data directly in the motion determination process.

  10. Determination of hexacelsian by infrared spectroscopy.

    PubMed

    Guillem Villar, M C; Monzonís, C G

    1984-07-01

    Hexacelsian has been determined by infrared spectroscopy with KBr discs and K(4)Fe(CN)(6) as internal standard. A KBr particle size of <40 mum gave better homogenization of the sample-KBr mixture than a particle size in the 40-70 mum range. For determinations of hexacelsian in synthetic samples containing amorphous phase or celsian, calibration curves were constructed. A least-squares fit yielded correlation coefficients of 0.998 and 0.997. PMID:18963645

  11. Determining the Orientation of Anisotropic Materials

    NASA Technical Reports Server (NTRS)

    Sugg, F. E.; Hodgetts, P. J.

    1983-01-01

    Ultrasonics probe direction of tile fibers. Hand-held acoustic transducer determines fiber orientation of heat resistant tiles. Transducers head placed on outer surface of painted tile. Signals from receiving transducers displayed on two-channel oscilloscope. Application suggests extending technique to inspection of other anisotropic materials. Plywood and fiber/epoxy composites examined to determine fiber direction; ultrasonics used to find direction of roll in sheet metal and other rolled products.

  12. Quantitative determination of atmospheric hydroperoxyl radical

    DOEpatents

    Springston, Stephen R.; Lloyd, Judith; Zheng, Jun

    2007-10-23

    A method for the quantitative determination of atmospheric hydroperoxyl radical comprising: (a) contacting a liquid phase atmospheric sample with a chemiluminescent compound which luminesces on contact with hydroperoxyl radical; (b) determining luminescence intensity from the liquid phase atmospheric sample; and (c) comparing said luminescence intensity from the liquid phase atmospheric sample to a standard luminescence intensity for hydroperoxyl radical. An apparatus for automating the method is also included.

  13. Porosity determination of thermal barrier coatings

    NASA Technical Reports Server (NTRS)

    Van Roode, Mark; Beardsley, Brad

    1988-01-01

    Coating porosity is believed to be a critical factor for the thermal conductivity of thermal barrier coatings (TBCs). A number of different techniques have been used to determine the porosities of thermal barrier coatings for diesel applications as part of a NASA/DOE sponsored study. A comparison is made between methods based on water immersion, optical microscopy, eddy current thickness measurements, and Archimedes principle for TBC porosity determination.

  14. A Method to determine lysine acetylation stoichiometries

    SciTech Connect

    Nakayasu, Ernesto S.; Wu, Si; Sydor, Michael A.; Shukla, Anil K.; Weitz, Karl K.; Moore, Ronald J.; Hixson, Kim K.; Kim, Jong Seo; Petyuk, Vladislav A.; Monroe, Matthew E.; Pasa-Tolic, Ljiljana; Qian, Weijun; Smith, Richard D.; Adkins, Joshua N.; Ansong, Charles

    2014-07-21

    A major bottleneck to fully understanding the functional aspects of lysine acetylation is the lack of stoichiometry information. Here we describe a mass spectrometry method using a combination of isotope labeling and detection of a diagnostic fragment ion to determine the stoichiometry of lysine acetylation on proteins globally. Using this technique, we determined the modification occupancy on hundreds of acetylated peptides from cell lysates and cross-validated the measurements via immunoblotting.

  15. Substrates and method for determining enzymes

    DOEpatents

    Smith, R.E.; Bissell, E.R.

    1981-10-13

    A method is disclosed for determining the presence of an enzyme in a biological fluid, which includes the steps of contacting the fluid with a synthetic chromogenic substrate, which is an amino acid derivative of 7-amino-4-trifluoromethylcoumarin; incubating the substrate-containing fluid to effect enzymatic hydrolysis; and fluorometrically determining the presence of the free 7-amino-4-trifluoromethylcoumarin chromophore in the hydrolyzate. No Drawings

  16. Orbit determination by range-only data.

    NASA Technical Reports Server (NTRS)

    Duong, N.; Winn, C. B.

    1973-01-01

    The determination of satellite orbits for use in geodesy using range-only data has been examined. A recently developed recursive algorithm for rectification of the nominal orbit after processing each observation has been tested. It is shown that when a synchronous satellite is tracked simultaneously with a subsynchronous geodetic target satellite, the orbits of each may be readily determined by processing the range information. Random data errors and satellite perturbations are included in the examples presented.

  17. Spectrophotometric determination of fluorine in silicate rocks

    USGS Publications Warehouse

    Peck, L.C.; Smith, V.C.

    1964-01-01

    The rock powder is sintered with a sodium carbonate flux containing zinc oxide and magnesium carbonate, the sinter-cake leached with water and the resulting solution filtered. Fluorine is separated from the acidified filtrate by steam distillation and determined spectrophotometrically by means of a zirconium-SPADNS reagent. If a multiple-unit distillation apparatus is used, 12 determinations can be completed per man-day. ?? 1964.

  18. Determinant Expressions for Discrete Integrable Maps

    NASA Astrophysics Data System (ADS)

    Sogo, Kiyoshi

    2006-08-01

    Explicit formulas for several discrete integrable maps with periodic boundary condition are obtained, which give the sequential time developments in a form of the quotient of successive determinants of tri-diagonal matrices. We can expect that such formulas make the corresponding numerical simulations simple and stable. The cases of discrete Lotka-Volterra and discrete KdV equations are demonstrated by using the common algorithm computing determinants of tri-diagonal matrices.

  19. Substrates and method for determining enzymes

    DOEpatents

    Smith, Robert E.; Bissell, Eugene R.

    1981-01-01

    A method is disclosed for determining the presence of an enzyme in a biological fluid, which includes the steps of contacting the fluid with a synthetic chromogenic substrate, which is an amino acid derivative of 7-amino-4-trifluoromethylcoumarin; incubating the substrate-containing fluid to effect enzymatic hydrolysis; and fluorometrically determining the presence of the free 7-amino-4-trifluoromethylcoumarin chromophore in the hydrolyzate.

  20. The Impact of the Self-Determined Learning Model of Instruction on Student Self-Determination

    ERIC Educational Resources Information Center

    Wehmeyer, Michael L.; Shogren, Karrie A.; Palmer, Susan B.; Williams-Diehm, Kendra L.; Little, Todd D.; Boulton, Aaron

    2012-01-01

    Promoting self-determination has become a best practice in special education. There remains, however, a paucity of causal evidence for interventions to promote self-determination. This article presents the results of a group-randomized, modified equivalent control group design study of the efficacy of the Self-Determined Learning Model of…

  1. 43 CFR 11.81 - Damage determination phase-restoration and compensation determination plan.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... 43 Public Lands: Interior 1 2014-10-01 2014-10-01 false Damage determination phase-restoration and...—restoration and compensation determination plan. (a) Requirement. (1) The authorized official shall develop a Restoration and Compensation Determination Plan that will list a reasonable number of possible...

  2. 43 CFR 11.81 - Damage determination phase-restoration and compensation determination plan.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ...—restoration and compensation determination plan. (a) Requirement. (1) The authorized official shall develop a Restoration and Compensation Determination Plan that will list a reasonable number of possible alternatives... 11.84 of this part to develop the Restoration and Compensation Determination Plan. (c) The...

  3. 43 CFR 11.81 - Damage determination phase-restoration and compensation determination plan.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ...—restoration and compensation determination plan. (a) Requirement. (1) The authorized official shall develop a Restoration and Compensation Determination Plan that will list a reasonable number of possible alternatives... 11.84 of this part to develop the Restoration and Compensation Determination Plan. (c) The...

  4. 43 CFR 11.81 - Damage determination phase-restoration and compensation determination plan.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ...—restoration and compensation determination plan. (a) Requirement. (1) The authorized official shall develop a Restoration and Compensation Determination Plan that will list a reasonable number of possible alternatives... 11.84 of this part to develop the Restoration and Compensation Determination Plan. (c) The...

  5. 43 CFR 11.81 - Damage determination phase-restoration and compensation determination plan.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ...—restoration and compensation determination plan. (a) Requirement. (1) The authorized official shall develop a Restoration and Compensation Determination Plan that will list a reasonable number of possible alternatives... 11.84 of this part to develop the Restoration and Compensation Determination Plan. (c) The...

  6. Reclaiming Self-Determination from the Indian Self-Determination and Education Assistance Act of 1975

    ERIC Educational Resources Information Center

    Wilson, Michael D.

    2012-01-01

    This paper examines the way the term "self-determination" is used in the Indian Self-Determination and Education Assistance Act of 1975. Its main thesis is that the Act does not in fact offer tribal governments self-determination, but instead reaffirms old power configurations that go back to the Indian Reorganization Act of 1934. (Contains 1…

  7. Highly sensitive catalytic spectrophotometric determination of ruthenium

    NASA Astrophysics Data System (ADS)

    Naik, Radhey M.; Srivastava, Abhishek; Prasad, Surendra

    2008-01-01

    A new and highly sensitive catalytic kinetic method (CKM) for the determination of ruthenium(III) has been established based on its catalytic effect on the oxidation of L-phenylalanine ( L-Pheala) by KMnO 4 in highly alkaline medium. The reaction has been followed spectrophotometrically by measuring the decrease in the absorbance at 526 nm. The proposed CKM is based on the fixed time procedure under optimum reaction conditions. It relies on the linear relationship where the change in the absorbance (Δ At) versus added Ru(III) amounts in the range of 0.101-2.526 ng ml -1 is plotted. Under the optimum conditions, the sensitivity of the proposed method, i.e. the limit of detection corresponding to 5 min is 0.08 ng ml -1, and decreases with increased time of analysis. The method is featured with good accuracy and reproducibility for ruthenium(III) determination. The ruthenium(III) has also been determined in presence of several interfering and non-interfering cations, anions and polyaminocarboxylates. No foreign ions interfered in the determination ruthenium(III) up to 20-fold higher concentration of foreign ions. In addition to standard solutions analysis, this method was successfully applied for the quantitative determination of ruthenium(III) in drinking water samples. The method is highly sensitive, selective and very stable. A review of recently published catalytic spectrophotometric methods for the determination of ruthenium(III) has also been presented for comparison.

  8. Attitude Determination Using Two Vector Measurements

    NASA Technical Reports Server (NTRS)

    Markley, F. Landis

    1998-01-01

    Many spacecraft attitude determination methods use exactly two vector measurements. The two vectors are typically the unit vector to the Sun and the Earth's magnetic field vector for coarse "sun-mag" attitude determination or unit vectors to two stars tracked by two star trackers for fine attitude determination. TRIAD, the earliest published algorithm for determining spacecraft attitude from two vector measurements, has been widely used in both ground-based and onboard attitude determination. Later attitude determination methods have been based on Wahba's optimality criterion for n arbitrarily weighted observations. The solution of Wahba's problem is somewhat difficult in the general case, but there is a simple closed-form solution in the two-observation case. This solution reduces to the TRIAD solution for certain choices of measurement weights. This paper presents and compares these algorithms as well as sub-optimal algorithms proposed by Bar-Itzhack, Harman, and Reynolds. Some new results will be presented, but the paper is primarily a review and tutorial.

  9. Attitude Determination Using Two Vector Measurements

    NASA Technical Reports Server (NTRS)

    Markley, F. Landis

    1999-01-01

    Many spacecraft attitude determination methods use exactly two vector measurements. The two vectors are typically the unit vector to the Sun and the Earth's magnetic field vector for coarse "sun-mag" attitude determination or unit vectors to two stars tracked by two star trackers for fine attitude determination. TRIAD, the earliest published algorithm for determining spacecraft attitude from two vector measurements, has been widely used in both ground-based and onboard attitude determination. Later attitude determination methods have been based on Wahba's optimality criterion for n arbitrarily weighted observations. The solution of Wahba's problem is somewhat difficult in the general case, but there is a simple closed-form solution in the two-observation case. This solution reduces to the TRIAD solution for certain choices of measurement weights. This paper presents and compares these algorithms as well as sub-optimal algorithms proposed by Bar-Itzhack, Harman, and Reynolds. Some new results will be presented, but the paper is primarily a review and tutorial.

  10. [Social determinants and epidemiology of cardiovascular diseases].

    PubMed

    Jaksić, Zelimir

    2007-06-01

    Recent approaches to studies of social determinants and social epidemiology of cardiovascular diseases are reviewed. This approach originating in some industrialized countries has so far been neglected in Croatia in spite of previous experiences and existence of sociomedical tradition. The possible explanations are considered. Obvious health problems related to the standard of living, poverty, high unemployment, work insecurity, unjustified inequality of income, and other forms of discrimination in health are not tackled. The social determinants important for health are defined and at least five categories identified, i. e. broad cultural and economic circumstances, structural determinants and social position, intermediate determinants reflected in lifestyles, available social network and social capital, and finally discrimination in health care are recommended to include in epidemiological research and design of health interventions. The following measures are proposed as necessary in the current situation: 1) changes in scope and orientation of epidemiological and clinical research; 2) intensification of information for the public, experts and politicians on the role of social determinants; and 3) amplification of health interventions avoiding patterns of the predominant neoliberal approaches (blaming the victim), as well as administrative egalitarian approaches (teaching people to become victims waiting for elderly brother to provide solutions). PMID:17629109

  11. Environmental sex determination mechanisms in reptiles.

    PubMed

    Merchant-Larios, H; Díaz-Hernández, V

    2013-01-01

    Temperature-dependent sex determination (TSD) was first discovered in reptiles. Since then, a great diversity of sex-determining responses to temperature has been reported. Higher temperatures can produce either males or females, and the temperature ranges and lengths of exposure that influence TSD are remarkably variable among species. In addition, transitory gene regulatory networks leading to gonadal TSD have evolved. Although most genes involved in gonadal development are conserved in vertebrates, including TSD species, temporal and spatial gene expression patterns vary among species. Despite variation in TSD pattern and gene expression heterochrony, the structural framework, the medullary cords, and cortex of the bipotential gonad have been strongly conserved. Aromatase (CYP19), which regulates gonadal estrogen levels, is proposed to be the main target of a putative thermosensitive factor for TSD. However, manipulation of estrogen levels rarely mimics the precise timing of temperature effects on expression of gonadal genes, as occurs with TSD. Estrogen levels may influence sex determination or gonad differentiation depending on the species. Furthermore, the process leading to sex determination under the influence of temperature poses problems that are not encountered by species with genetic sex determination. Yolk steroids of maternal origin and steroids produced by the embryonic nervous system should also be considered as sources of hormones that may play a role in TSD. PMID:22948613

  12. Blurring the Edges in Vertebrate Sex Determination

    PubMed Central

    Barske, Lindsey A.

    2009-01-01

    Summary of recent advances Sex in vertebrates is determined by genetic- or environmentally-based signals. These signals initiate molecular cascades and cell-cell interactions within the gonad that lead to the adoption of the male or female fate. Previously, genetic- and environmentally-based mechanisms were thought to be distinct, but this idea is fading as a result of the unexpected discovery of coincident genetic and thermal influences within single species. Together with accumulating phylogenetic evidence of frequent transitions between sex-determining mechanisms, these findings suggest that genetic and environmental sex determination actually represent points on a continuum rather than discrete categories, and that populations may shift in one direction or the other in response to mutations or changing ecological conditions. Elucidation of the underlying molecular basis of sex determination in mice has yielded a bistable model of mutually antagonistic signaling pathways and feedback regulatory loops. This system would be highly responsive to changes in the upstream primary signal and may provide a basis for the rapid evolution of and transitions between different methods of sex determination. PMID:19152784

  13. Sex determination in flies, fruitflies and butterflies.

    PubMed

    Saccone, G; Pane, A; Polito, L C

    2002-09-01

    Sex determination mechanisms, differing in their modality, are widely represented in all the various animal taxa, even at the intraspecific level. Within the highly diversified Class Insecta, Drosophila has been used to unravel the mechanistic molecular and genetic interactions that are involved in sex determination. Indeed, the molecularly characterized genes of the Drosophila sex determination hierarchy X:A > Sxl > tra > dsx have been fruitful starting points in the cloning of homologous genes from other insect species. This cascade seems to control sex determination in all Drosophila species. However, no sex-specific regulatory Sxl homologues have been isolated from the Mediterranean fruitfly (medfly), Ceratitis capitata, the housefly, Musca domestica, Chrysomya rufifacies nor from the distantly related phorid fly Megaselia scalaris. Moreover, all these other species use primary signals different from the intricate X:A counting system of Drosophila. However, dsx homologues isolated from these and other dipteran species as well as from the silkmoth, Bombyx mori, share a conserved sex-specific regulation based on alternative splicing. An understanding of the sex determination mechanisms in insects that are of agricultural or public health importance may help in the development of improved methods for their control using the sterile insect technique. PMID:12484523

  14. Method of determining drilling fluid invasion

    SciTech Connect

    Vinegar, H. J.; Wellington, S. L.

    1985-09-10

    A method of determining the invasion of drilling fluid into a core sample taken from a borehole. A first material is added to the drilling fluid to obtain a first fluid that has an effective atomic number that is different than the effective atomic number of the connate fluids in the rock formation surrounding the borehole. A preserved core sample is collected from the borehole for scanning by a computerized axial tomographic scanner (CAT) to determine the attenuation coefficients at a plurality of points in a cross section of the core sample. The preserved core sample is scanned with a CAT at first and second energies, and the determined attenuation coefficients for the plurality of points in the cross section at each energy are used to determine an atomic number image for the cross section of the core sample. The depth of invasion of the first fluid is then determined from the atomic number image, as an indication of the depth of invasion of the drilling fluid into the core sample.

  15. Determining the Tsallis parameter via maximum entropy.

    PubMed

    Conroy, J M; Miller, H G

    2015-05-01

    The nonextensive entropic measure proposed by Tsallis [C. Tsallis, J. Stat. Phys. 52, 479 (1988)] introduces a parameter, q, which is not defined but rather must be determined. The value of q is typically determined from a piece of data and then fixed over the range of interest. On the other hand, from a phenomenological viewpoint, there are instances in which q cannot be treated as a constant. We present two distinct approaches for determining q depending on the form of the equations of constraint for the particular system. In the first case the equations of constraint for the operator Ô can be written as Tr(F(q)Ô)=C, where C may be an explicit function of the distribution function F. We show that in this case one can solve an equivalent maxent problem which yields q as a function of the corresponding Lagrange multiplier. As an illustration the exact solution of the static generalized Fokker-Planck equation (GFPE) is obtained from maxent with the Tsallis enropy. As in the case where C is a constant, if q is treated as a variable within the maxent framework the entropic measure is maximized trivially for all values of q. Therefore q must be determined from existing data. In the second case an additional equation of constraint exists which cannot be brought into the above form. In this case the additional equation of constraint may be used to determine the fixed value of q. PMID:26066124

  16. Continuing problems with patient self-determination.

    PubMed

    White, B D; Singer, P A; Siegler, M

    1993-01-01

    Cruzan v. Director, Missouri Department of Health, the first "right to do die" case to be decided by the United States Supreme Court, constitutionalizes the principle of patient self-determination. The case encourages competent patients to reflect thoughtfully about the possibility that one day they may be incapacitated just as Nancy Beth Cruzan was and to prepare for that possibility by completing an advance directive. Furthermore, the recently enacted Patient Self-Determination Act requires hospitals to ask adult patients upon admission whether they have advance directives. However, a number of practical concerns arise for physicians about operationalizing these patient self-determination principles within their states and their scopes of practice. Will physicians be prosecuted for "assisting suicides" if they withdraw feeding tubes or forgo other life-sustaining treatments? Will physicians be liable in medical malpractice for "undertreatment" or "overtreatment" in such cases? Will physicians be asked to violate their own moral codes in treating patients? Will others intrude into the traditional physician-patient relationship and decision-making process? Will physicians be caught in the middle of troublesome family, staff, and institutional disputes? How will physicians learn of patients' advance directives? Will physicians be asked to continue care in futile cases? Will Cruzan's self-determination doctrine be improperly extended? Successful implementation of patient self-determination principles will require consideration and discussion of these practical physician concerns. PMID:8161890

  17. Molecular Mechanisms of Sex Determination in Reptiles

    PubMed Central

    Rhen, T.; Schroeder, A.

    2010-01-01

    Charles Darwin first provided a lucid explanation of how gender differences evolve nearly 140 years ago. Yet, a disconnect remains between his theory of sexual selection and the mechanisms that underlie the development of males and females. In particular, comparisons between representatives of different phyla (i.e., flies and mice) reveal distinct genetic mechanisms for sexual differentiation. Such differences are hard to comprehend unless we study organisms that bridge the phylogenetic gap. Analysis of variation within monophyletic groups (i.e., amniotes) is just as important if we hope to elucidate the evolution of mechanisms underlying sexual differentiation. Here we review the molecular, cellular, morphological, and physiological changes associated with sex determination in reptiles. Most research on the molecular biology of sex determination in reptiles describes expression patterns for orthologs of mammalian sex-determining genes. Many of these genes have evolutionarily conserved expression profiles (i.e., DMRT1 and SOX9 are expressed at a higher level in developing testes vs. developing ovaries in all species), which suggests functional conservation. However, expression profiling alone does not test gene function and will not identify novel sex-determining genes or gene interactions. For that reason, we provide a prospectus on various techniques that promise to reveal new sex-determining genes and regulatory interactions among these genes. We offer specific examples of novel candidate genes and a new signaling pathway in support of these techniques. PMID:20145384

  18. Method of fan sound mode structure determination

    NASA Technical Reports Server (NTRS)

    Pickett, G. F.; Sofrin, T. G.; Wells, R. W.

    1977-01-01

    A method for the determination of fan sound mode structure in the Inlet of turbofan engines using in-duct acoustic pressure measurements is presented. The method is based on the simultaneous solution of a set of equations whose unknowns are modal amplitude and phase. A computer program for the solution of the equation set was developed. An additional computer program was developed which calculates microphone locations the use of which results in an equation set that does not give rise to numerical instabilities. In addition to the development of a method for determination of coherent modal structure, experimental and analytical approaches are developed for the determination of the amplitude frequency spectrum of randomly generated sound models for use in narrow annulus ducts. Two approaches are defined: one based on the use of cross-spectral techniques and the other based on the use of an array of microphones.

  19. Social Determinants of Racial Disparities in CKD.

    PubMed

    Norton, Jenna M; Moxey-Mims, Marva M; Eggers, Paul W; Narva, Andrew S; Star, Robert A; Kimmel, Paul L; Rodgers, Griffin P

    2016-09-01

    Significant disparities in CKD rates and outcomes exist between black and white Americans. Health disparities are defined as health differences that adversely affect disadvantaged populations, on the basis of one or more health outcomes. CKD is the complex result of genetic and environmental factors, reflecting the balance of nature and nurture. Social determinants of health have an important role as environmental components, especially for black populations, who are disproportionately disadvantaged. Understanding the social determinants of health and appreciating the underlying differences associated with meaningful clinical outcomes may help nephrologists treat all their patients with CKD in an optimal manner. Altering the social determinants of health, although difficult, may embody important policy and research efforts, with the ultimate goal of improving outcomes for patients with kidney diseases, and minimizing the disparities between groups. PMID:27178804

  20. Methods of ultimate carbonaceous BOD determination

    USGS Publications Warehouse

    Stamer, J.K.; McKenzie, S.W.; Cherry, R.N.

    1979-01-01

    Studies were conducted to provide an accurate and practical technique for determining the concentration of ultimate carbonaceous biochemical oxygen demand and the rate at which this demand is exerted. The three methods evaluated were carbon derived, nitrification adjusted, and nitrification inhibited. The studies indicate that comparable concentrations and reaction rates can be determined from either non-nitrified samples using no chemical nitrifying inhibitor, or from partially nitrified samples using the chemical inhibitors, 1-allyl-2 thiourea or nitrapyrin, and that the combined use of time-series analysis and Lee's graphical method provide a reliable and accurate technique for determining ultimate biochemical oxygen demand concentration and reaction rate in 5 to 7 days.