Separation of Zirconium and Hafnium: A Review

NASA Astrophysics Data System (ADS)

Xu, L.; Xiao, Y.; van Sandwijk, A.; Xu, Q.; Yang, Y.

Zirconium is an ideal material for nuclear reactors due to its low absorption cross-section for thermal neutrons, whereas the typically contained hafnium with strong neutron-absorption is very harmful for zirconium. This paper provides an overview of the processes for separating hafnium from zirconium. The separation processes are roughly classified into hydro- and pyrometallurgical routes. The current dominant zirconium production route involves pyrometallurgical ore cracking, multi-step hydrometallurgical liquid-liquid extraction for hafnium removal and the reduction of zirconium tetrachloride to the pure metal by the Kroll process. The lengthy hydrometallurgical Zr-Hf separation operations leads to high production cost, intensive labour and heavy environmental burden. Using a compact pyrometallurgical separation method can simplify the whole production flowsheet with a higher process efficiency. The known separation methods are discussed based on the following reaction features: redox characteristics, volatility, electrochemical properties and molten salt extraction. The commercially operating extractive distillation process is a significant advance in Zr-Hf separation technology but it suffers from high process maintenance cost. The recently developed new process based on molten salt-metal equilibrium for Zr-Hf separation shows a great potential for industrial application, which is compact for nuclear grade zirconium production starting from crude ore. In the present paper, the available separation technologies are compared. The advantages and disadvantages as well as future directions of research and development for nuclear grade zirconium production are discussed.

High P-T phase transitions and P-V-T equation of state of hafnium

DOE Office of Scientific and Technical Information (OSTI.GOV)

Hrubiak, Rostislav; Drozd, Vadym; Karbasi, Ali

2016-07-29

We measured the volume of hafnium at several pressures up to 67 GPa and at temperatures between 300 to 780 K using a resistively heated diamond anvil cell with synchrotron x-ray diffraction at the Advanced Photon Source. The measured data allows us to determine the P-V-T equation of state of hafnium. The previously described [Xia et al., Phys. Rev. B 42, 6736-6738 (1990)] phase transition from hcp ({alpha}) to simple hexagonal ({omega}) phase at 38 GPa at room temperature was not observed even up to 51 GPa. The {omega} phase was only observed at elevated temperatures. Our measurements have alsomore » improved the experimental constraint on the high P-T phase boundary between the {omega} phase and high pressure bcc ({beta}) phase of hafnium. Isothermal room temperature bulk modulus and its pressure derivative for the {alpha}-phase of hafnium were measured to be B{sub 0} = 112.9{+-}0.5 GPa and B{sub 0}'=3.29{+-}0.05, respectively. P-V-T data for the {alpha}-phase of hafnium was used to obtain a fit to a thermodynamic P-V-T equation of state based on model by Brosh et al. [CALPHAD 31, 173-185 (2007)].« less

Hafnium transistor design for neural interfacing.

PubMed

Parent, David W; Basham, Eric J

2008-01-01

A design methodology is presented that uses the EKV model and the g(m)/I(D) biasing technique to design hafnium oxide field effect transistors that are suitable for neural recording circuitry. The DC gain of a common source amplifier is correlated to the structural properties of a Field Effect Transistor (FET) and a Metal Insulator Semiconductor (MIS) capacitor. This approach allows a transistor designer to use a design flow that starts with simple and intuitive 1-D equations for gain that can be verified in 1-D MIS capacitor TCAD simulations, before final TCAD process verification of transistor properties. The DC gain of a common source amplifier is optimized by using fast 1-D simulations and using slower, complex 2-D simulations only for verification. The 1-D equations are used to show that the increased dielectric constant of hafnium oxide allows a higher DC gain for a given oxide thickness. An additional benefit is that the MIS capacitor can be employed to test additional performance parameters important to an open gate transistor such as dielectric stability and ionic penetration.

Etude de la nitruration carbothermique du dioxyde de hafnium par diffraction X à haute température

NASA Astrophysics Data System (ADS)

Pialoux, A.

1993-03-01

The carbothermal reduction of hafnium dioxide under atmospheric level nitrogen pressure has been investigated using a graphite resistance high temperature X-ray diffractometer up to around 2300 K. A carbon transfer reaction through the gaseous phase (N 2, CO/CO 2) is shown to precede, then to compete the direct reduction of the hafnium oxide by the graphite in pure nitrogen. A complex mechanism has been found that accounts for the formation of hafnium dioxynitride and possibly of three other hafnium oxynitrides, then of hafnium mononitride and hafnium monocarbonitride, along two different steps between 1613 and 1923 K. An evaluation has been made concerning the composition of these γ 1- HfO 2-xN x/2□ x/2 (CaF 2-type structure), γ 2- Hf 7O 11N 2, γ 3- Hf 7O 8N 4 (rhombohedral), γ 4- Hf 2ON 2 (Mn 2O 3-type structure), HfN and HfN 1-zC z (NaCl-type structure) phases, considering the variations of their lattice parameters and the available data in the literature, especially on the isomorphous compounds of zirconium. It must be emphasized the new γ 1- HfO 2-xN x/2 phase, the dilatation of which is linear ( overlineα = 12×10 -6K -1), shows a constant composition from 2158 down to 1473 K (x ≈ 0,2). But under 1473 K, inevitably, the hafnium dioxynitride disappears, and poorly crystallized monoclinic αHfO 2 and rhombohedral γ 2- Hf 7O 11N 2 are formed.

RF sputtered silicon and hafnium nitrides as applied to 440C steel

NASA Technical Reports Server (NTRS)

Grill, A.; Aron, P. R.

1984-01-01

Silicon nitride and hafnium nitride coatings were deposited on oxidized and unoxidized 440C stainless steel substrates. Sputtering was done in mixtures of argon and nitrogen gases from pressed powder silicon nitride and from hafnium metal targets. The coatings and the interface between the coating and substrate were investigated by X-ray diffractometry, scanning electron microscopy, energy dispersive X-ray analysis and Auger electron spectroscopy. Oxide was found at all interfaces with an interface width of at least 600 A for the oxidized substrates and at least 300 A for the unoxidized substrates. Scratch test results demonstrate that the adhesion of hafnium nitride to both oxidized and unoxidized 440C is superior to that of silicon nitride. Oxidized 440C is found to have increased adhesion, to both nitrides, over that of unoxidized 440C. Coatings of both nitrides deposited at 8 mtorr were found to have increased adhesion to both oxidized and unoxidized 440C over those deposited at 20 mtorr.

Tensile and stress-rupture behavior of hafnium carbide dispersed molybdenum and tungsten base alloy wires

NASA Technical Reports Server (NTRS)

Yun, Hee Mann; Titran, Robert H.

1993-01-01

The tensile strain rate sensitivity and the stress-rupture strength of Mo-base and W-base alloy wires, 380 microns in diameter, were determined over the temperature range from 1200 K to 1600 K. Three molybdenum alloy wires; Mo + 1.1w/o hafnium carbide (MoHfC), Mo + 25w/o W + 1.1w/o hafnium carbide (MoHfC+25W) and Mo + 45w/o W + 1.1w/o hafnium carbide (MoHfC+45W), and a W + 0.4w/o hafnium carbide (WHfC) tungsten alloy wire were evaluated. The tensile strength of all wires studied was found to have a positive strain rate sensitivity. The strain rate dependency increased with increasing temperature and is associated with grain broadening of the initial fibrous structures. The hafnium carbide dispersed W-base and Mo-base alloys have superior tensile and stress-rupture properties than those without HfC. On a density compensated basis the MoHfC wires exhibit superior tensile and stress-rupture strengths to the WHfC wires up to approximately 1400 K. Addition of tungsten in the Mo-alloy wires was found to increase the long-term stress rupture strength at temperatures above 1400 K. Theoretical calculations indicate that the strength and ductility advantage of the HfC dispersed alloy wires is due to the resistance to recrystallization imparted by the dispersoid.

Mineral resource of the month: zirconium and hafnium

USGS Publications Warehouse

Gambogi, Joseph

2007-01-01

Zirconium and hafnium are corrosion-resistant metals that are grouped in the same family as titanium on the periodic table. The two elements commonly occur in oxide and silicate minerals and have significant economic importance in everything from ink, ceramics and golf shoes to nuclear fuel rods.

SEPARATING HAFNIUM FROM ZIRCONIUM

DOEpatents

Lister, B.A.J.; Duncan, J.F.; Hutcheon, J.M.

1956-08-21

Substantially complete separation of zirconium from hafnium may be obtained by elution of ion exchange material, on which compounds of the elements are adsorbed, with an approximately normal solution of sulfuric acid. Preferably the acid concentration is between 0.8 N amd 1.2 N, amd should not exceed 1.5 N;. Increasing the concentration of sulfate ion in the eluting solution by addition of a soluble sulfate, such as sodium sulfate, has been found to be advantageous. The preferred ion exchange materials are sulfonated polystyrene resins such as Dowex 50,'' and are preferably arranged in a column through which the solutions are passed.

Effect of cathode cooling efficiency and oxygen plasma gas pressure on the hafnium cathode wall temperature

NASA Astrophysics Data System (ADS)

Ashtekar, Koustubh; Diehl, Gregory; Hamer, John

2012-10-01

The hafnium cathode is widely used in DC plasma arc cutting (PAC) under an oxygen gas environment to cut iron and iron alloys. The hafnium erosion is always a concern which is controlled by the surface temperature. In this study, the effect of cathode cooling efficiency and oxygen gas pressure on the hafnium surface temperature are quantified. The two layer cathode sheath model is applied on the refractive hafnium surface while oxygen species (O2, O, O+, O++, e-) are considered within the thermal dis-equilibrium regime. The system of non-linear equations comprising of current density balance, heat flux balance at both the cathode surface and the sheath-ionization layer is coupled with the plasma gas composition solver. Using cooling heat flux, gas pressure and current density as inputs; the cathode wall temperature, electron temperature, and sheath voltage drop are calculated. Additionally, contribution of emitted electron current (Je) and ions current (Ji) to the total current flux are estimated. Higher gas pressure usually reduces Ji and increases Je that reduces the surface temperature by thermionic cooling.

Low-voltage bendable pentacene thin-film transistor with stainless steel substrate and polystyrene-coated hafnium silicate dielectric.

PubMed

Yun, Dong-Jin; Lee, Seunghyup; Yong, Kijung; Rhee, Shi-Woo

2012-04-01

The hafnium silicate and aluminum oxide high-k dielectrics were deposited on stainless steel substrate using atomic layer deposition process and octadecyltrichlorosilane (OTS) and polystyrene (PS) were treated improve crystallinity of pentacene grown on them. Besides, the effects of the pentacene deposition condition on the morphologies, crystallinities and electrical properties of pentacene were characterized. Therefore, the surface treatment condition on dielectric and pentacene deposition conditions were optimized. The pentacene grown on polystyrene coated high-k dielectric at low deposition rate and temperature (0.2-0.3 Å/s and R.T.) showed the largest grain size (0.8-1.0 μm) and highest crystallinity among pentacenes deposited various deposition conditions, and the pentacene TFT with polystyrene coated high-k dielectric showed excellent device-performance. To decrease threshold voltage of pentacene TFT, the polystyrene-thickness on high-k dielectric was controlled using different concentration of polystyrene solution. As the polystyrene-thickness on hafnium silicate decreases, the dielectric constant of polystyrene/hafnium silicate increases, while the crystallinity of pentacene grown on polystyrene/hafnium silicate did not change. Using low-thickness polystyrene coated hafnium silicate dielectric, the high-performance and low voltage operating (<5 V) pentacene thin film transistor (μ: ~2 cm(2)/(V s), on/off ratio, >1 × 10(4)) and complementary inverter (DC gains, ~20) could be fabricated.

Atomic layer deposition and characterization of hafnium oxide grown on silicon from tetrakis(diethylamino)hafnium and water vapor

NASA Astrophysics Data System (ADS)

Deshpande, Anand; Inman, Ronald; Jursich, Gregory; Takoudis, Christos

2004-09-01

In this work thin films of hafnium oxide are deposited on Si(100) substrates by means of atomic layer deposition (ALD) using tetrakis(diethylamino)hafnium and water vapor at substrate temperatures of 250-350ºC. Our system capabilities include fast transient delivery of reactive fluids, real-time vapor phase detection (in situ tunable diode laser hygrometer), precursor thermochemical capabilities, and ppt level elemental analysis by inductive coupling plasma mass spectrometry. The composition, purity, and other properties of the films and resulting interfaces are determined using x-ray and Fourier transform infrared spectroscopies, Z-contrast imaging and electron energy loss spectroscopy in a scanning transmission electron microscope with A˚ scale resolution, and spectroscopic ellipsometry. The observed ALD rate is ~1.4 A˚ per cycle. The nonuniformity across the film is less than 4%. Negligible carbon contamination is found in the resulting stoichiometric films under all conditions studied. The pulse sequence was optimized to prevent disastrous particulate problems while still minimizing purge times. The film deposition is investigated as a function of substrate temperature and reagent pulsing characteristics. A mild inverse temperature dependence of the ALD rate is observed. The initial stage of the HfO2 growth is investigated in detail.

Review of anhydrous zirconium-hafnium separation techniques. Information circular/1984

DOE Office of Scientific and Technical Information (OSTI.GOV)

Skaggs, R.L.; Rogers, D.T.; Hunter, D.B.

1983-12-01

Sixteen nonaqueous techniques conceived to replace the current aqueous scheme for separating hafnium and zirconium tetrachlorides were reviewed and evaluated by the Bureau of Mines. The methods are divided into two classes: separation by fractional volatilization of the tetrachlorides, which takes advantage of the higher volatility of hafnium tetrachloride; and separation by chemical techniques, based on differences in chemical behavior of the two tetrachlorides. The criteria used to evaluate separation methods were temperature, pressure, separation factor per equilibrium stage, complexity, compatibility with existing technology, and potential for continuous operation. Three processes were selected as being most promising: (1) high-pressure distillation,more » (2) extractive distillation from a molten salt, and (3) preferential reduction of gaseous ZrCl4. Any of the proposed nonaqueous Hf-Zr separation schemes must be supplemented with additional purification to remove trace impurities.« less

Development and characterization of ultrathin hafnium titanates as high permittivity gate insulators

NASA Astrophysics Data System (ADS)

Li, Min

High permittivity or high-kappa materials are being developed for use as gate insulators for future ultrascaled metal oxide semiconductor field effect transistors (MOSFETs). Hafnium containing compounds are the leading candidates. Due to its moderate permittivity, however, it is difficult to achieve HfO2 gate structures with an EOT well below 1.0 nm. One approach to increase HfO2 permittivity is combining it with a very high-kappa material, such as TiO2. In this thesis, we systematically studied the electrical and physical characteristics of high-kappa hafnium titanates films as gate insulators. A series of HfxTi1-xO2 films with well-controlled composition were deposited using an MOCVD system. The physical properties of the films were analyzed using a variety of characterization techniques. X-ray micro diffraction indicates that the Ti-rich thin film is more immune to crystallization. TEM analysis showed that the thick stoichiometric HfTiO 4 film has an orthorhombic structure and large anisotropic grains. The C-V curves from the devices with the hafnium titanates films displayed relatively low hysteresis. In a certain composition range, the interfacial layer (IL) EOT and permittivity of HfxTi1-x O2 increases linearly with increasing Ti. The charge is negative for HfxTi1-xO2/IL and positive for Si/IL interface, and the magnitude increases as Hf increases. For ultra-thin films (less than 2 nm EOT), the leakage current increases with increasing HE Moreover, the Hf-rich sample has weaker temperature dependence of the current. In the MOSFET devices with the hafnium titanates films, normal transistor characteristics were observed, also electron mobility degradation. Next, we investigated the effects that different pre-deposition surface treatments, including HF dipping, NH3 surface nitridation, and HfO2 deposition, have on the electrical properties of hafnium titanates. Surface nitridation shows stronger effect than the thin HfO2 layer. The nitrided samples displayed a

Evidence for oxygen vacancies movement during wake-up in ferroelectric hafnium oxide

DOE Office of Scientific and Technical Information (OSTI.GOV)

Starschich, S.; Böttger, U.; Menzel, S.

The wake-up effect which is observed in ferroelectric hafnium oxide is investigated in yttrium doped hafnium oxide prepared by chemical solution deposition. It can be shown that not the amount of cycles but the duration of the applied electrical field is essential for the wake-up. Temperature dependent wake-up cycling in a range of −160 °C to 100 °C reveals a strong temperature activation of the wake-up, which can be attributed to ion rearrangement during cycling. By using asymmetrical electrodes, resistive valence change mechanism switching can be observed coincident with ferroelectric switching. From the given results, it can be concluded that redistribution ofmore » oxygen vacancies is the origin of the wake-up effect.« less

Effect of hafnium doping on density of states in dual-target magnetron co-sputtering HfZnSnO thin film transistors

DOE Office of Scientific and Technical Information (OSTI.GOV)

Huang, Chuan-Xin; Li, Jun, E-mail: SHUniverjunli@163.com; Fu, Yi-Zhou

2015-11-23

This study investigates the effect of hafnium doping on the density of states (DOSs) in HfZnSnO thin film transistors fabricated by dual-target magnetron co-sputtering system. The DOSs is extracted by temperature-dependent field-effect measurements, and they decrease from 1.1 × 10{sup 17} to 4.6 × 10{sup 16 }eV/cm{sup 3} with increasing the hafnium concentrations. The behavior of DOSs for the increasing hafnium concentration HfZnSnO thin film transistors can be confirmed by both the reduction of ΔV{sub T} under bias stress and the trapping charges calculated by capacitance voltage measurements. It suggests that the reduction in DOSs due to the hafnium doping is closely related with themore » bias stability and thermal stability.« less

Hafnium germanosilicate thin films for gate and capacitor dielectric applications: thermal stability studies

NASA Astrophysics Data System (ADS)

Addepalli, Swarna; Sivasubramani, Prasanna; El-Bouanani, Mohamed; Kim, Moon; Gnade, Bruce; Wallace, Robert

2003-03-01

The use of SiO_2-GeO2 mixtures in gate and capacitor dielectric applications is hampered by the inherent thermodynamic instability of germanium oxide. Studies to date have confirmed that germanium oxide is readily converted to elemental germanium [1,2]. In sharp contrast, germanium oxide is known to form stable compounds with transition metal oxides such as hafnium oxide (hafnium germanate, HfGeO_4) [3]. Thus, the incorporation of hafnium in SiO_2-GeO2 may be expected to enhance the thermal stability of germanium oxide via Hf-O-Ge bond formation. In addition, the introduction of a transition metal would simultaneously enhance the capacitance of the dielectric thereby permitting a thicker dielectric which reduces leakage current [4]. In this study, the thermal stability of PVD-grown hafnium germanosilicate (HfGeSiO) films was investigated. XPS, HR-TEM, C-V and I-V results of films after deposition and subsequent annealing treatments will be presented. The results indicate that the presence or formation of elemental germanium drastically affects the stability of the HfGeSiO films. This work is supported by DARPA through SPAWAR Grant No. N66001-00-1-8928, and the Texas Advanced Technology Program. References: [1] W. S. Liu, J .S. Chen, M.-A. Nicolet, V. Arbet-Engels, K. L. Wang, Journal of Applied Physics, 72, 4444 (1992), and, Applied Physics Letters, 62, 3321 (1993) [2] W. S. Liu, M. -A. Nicolet, H. -H. Park, B. -H. Koak, J. -W. Lee, Journal of Applied Physics, 78, 2631 (1995) [3] P. M. Lambert, Inorganic Chemistry, 37, 1352 (1998) [4] G. D. Wilk, R. M. Wallace and J. M. Anthony, Journal of Applied Physics, 89, 5243 (2001)

Article having an improved platinum-aluminum-hafnium protective coating

NASA Technical Reports Server (NTRS)

Nagaraj, Bangalore Aswatha (Inventor); Williams, Jeffrey Lawrence (Inventor)

2005-01-01

An article protected by a protective coating has a substrate and a protective coating having an outer layer deposited upon the substrate surface and a diffusion zone formed by interdiffusion of the outer layer and the substrate. The protective coating includes platinum, aluminum, no more than about 2 weight percent hafnium, and substantially no silicon. The outer layer is substantially a single phase.

Hafnium-Based Bulk Metallic Glasses for Kinetic Energy Penetrators

DTIC Science & Technology

2004-12-01

uranium -based (DU) and tungsten- nickel -iron (W-Ni-Fe) composite kinetic energy (KE) munitions is primarily ascribed to their high densities (U: ρ...based on an invariant point identified in the hafnium- copper- nickel ternary system. They are denser than zirconium-based glass-forming compositions...depleted- uranium penetrators. 1. INTRODUCTION 1.1 Criterion for Effective Kinetic Energy Penetrator Performance The lethality of depleted

Inter-diffusion of copper and hafnium as studied by x-ray photoelectron spectroscopy

NASA Astrophysics Data System (ADS)

Pearson, Justin; Chourasia, A. R.

The Cu/Hf interface has been characterized by x-ray photoelectron spectroscopy. Thin films (thicknesses ranging from 100 nm to 150 nm) of hafnium were deposited on a silicon substrate. About 80 nm of copper was then deposited on such samples. The e-beam method was used for the deposition. The samples were annealed for 30 min at temperatures of 100, 200, 300, 400, and 500°C. The inter-diffusion of copper and hafnium was investigated by sequential sputter depth profiling and x-ray photoelectron spectroscopy. The interdiffusion in each case was analyzed by the Matano-Boltzmann's procedure using the Fick's second law. The interdiffusion coefficients and the width of the interface as determined from the data have been correlated with the annealing temperature. Supported by Organized Research, TAMU-Commerce.

The performance of hafnium and gadolinium self powered neutron detectors in the TREAT reactor

NASA Astrophysics Data System (ADS)

Imel, G. R.; Hart, P. R.

1996-05-01

The use of gadolinium and hafnium self powered neutron detectors in a transient reactor is described in this paper. The detectors were calibrated to the fission rate of U-235 using calibrated fission chambers; the calibration factors were tested in two reactors in steady state and found to be consistent. Calibration of the detectors in transient reactor conditions was done by using uranium wires that were analyzed by radiochemistry techniques to determine total fissions during the transient. This was correlated to the time-integrated current of the detectors during the transient. A temperature correction factor was derived to account for self-shielding effects in the hafnium and gadolinium detectors. The dynamic response of the detectors under transient conditions was studied, and found to be excellent.

25 CFR 167.7 - Records.

Code of Federal Regulations, 2014 CFR

2014-04-01

... 25 Indians 1 2014-04-01 2014-04-01 false Records. 167.7 Section 167.7 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR LAND AND WATER NAVAJO GRAZING REGULATIONS § 167.7 Records. The... records of all grazing permits and ownership of all livestock. Master files shall be maintained by the...

25 CFR 167.7 - Records.

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25 CFR 167.13 - Trespass.

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... 25 Indians 1 2014-04-01 2014-04-01 false Trespass. 167.13 Section 167.13 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR LAND AND WATER NAVAJO GRAZING REGULATIONS § 167.13 Trespass. The owner of any livestock grazing in trespass in Navajo Tribal ranges shall be subject to action by the Navajo...

25 CFR 167.13 - Trespass.

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25 CFR 167.13 - Trespass.

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25 CFR 167.13 - Trespass.

Code of Federal Regulations, 2013 CFR

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... 25 Indians 1 2013-04-01 2013-04-01 false Trespass. 167.13 Section 167.13 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR LAND AND WATER NAVAJO GRAZING REGULATIONS § 167.13 Trespass. The owner of any livestock grazing in trespass in Navajo Tribal ranges shall be subject to action by the Navajo...

25 CFR 167.13 - Trespass.

Code of Federal Regulations, 2010 CFR

2010-04-01

... 25 Indians 1 2010-04-01 2010-04-01 false Trespass. 167.13 Section 167.13 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR LAND AND WATER NAVAJO GRAZING REGULATIONS § 167.13 Trespass. The owner of any livestock grazing in trespass in Navajo Tribal ranges shall be subject to action by the Navajo...

"Decarbonization" of an imino N-heterocyclic carbene via triple benzyl migration from hafnium

USDA-ARS?s Scientific Manuscript database

An imino N-heterocyclic carbene underwent three sequential benzyl migrations upon reaction with tetrabenzylhafnium, resulting in complete removal of the carbene carbon from the ligand. The resulting eneamido-amidinato hafnium complex showed alkene polymerization activity comparable to that of a prec...

PROCESS OF RECOVERING ZIRCONIUM VALUES FROM HAFNIUM VALUES BY SOLVENT EXTRACTION WITH AN ALKYL PHOSPHATE

DOEpatents

Peppard, D.F.

1960-02-01

A process of separating hafnium nitrate from zirconium nitrate contained in a nitric acid solution by selectively. extracting the zirconium nitrate with a water-immiscible alkyl phosphate is reported.

Ferroelectric memory based on molybdenum disulfide and ferroelectric hafnium oxide

NASA Astrophysics Data System (ADS)

Yap, Wui Chung; Jiang, Hao; Xia, Qiangfei; Zhu, Wenjuan

Recently, ferroelectric hafnium oxide (HfO2) was discovered as a new type of ferroelectric material with the advantages of high coercive field, excellent scalability (down to 2.5 nm), and good compatibility with CMOS processing. In this work, we demonstrate, for the first time, 2D ferroelectric memories with molybdenum disulfide (MoS2) as the channel material and aluminum doped HfO2 as the ferroelectric gate dielectric. A 16 nm thick layer of HfO2, doped with 5.26% aluminum, was deposited via atomic layer deposition (ALD), then subjected to rapid thermal annealing (RTA) at 1000 °C, and the polarization-voltage characteristics of the resulting metal-ferroelectric-metal (MFM) capacitors were measured, showing a remnant polarization of 0.6 μC/cm2. Ferroelectric memories with embedded ferroelectric hafnium oxide stacks and monolayer MoS2 were fabricated. The transfer characteristics after program and erase pulses revealed a clear ferroelectric memory window. In addition, endurance (up to 10,000 cycles) of the devices were tested and effects associated with ferroelectric materials, such as the wake-up effect and polarization fatigue, were observed. This research can potentially lead to advances of 2D materials in low-power logic and memory applications.

33 CFR 167.3 - Geographic coordinates.

Code of Federal Regulations, 2010 CFR

2010-07-01

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28 CFR 16.7 - Classified information.

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33 CFR 167.10 - Operating rules.

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19 CFR 122.167 - Aviation smuggling.

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2010-04-01

... 19 Customs Duties 1 2010-04-01 2010-04-01 false Aviation smuggling. 122.167 Section 122.167 Customs Duties U.S. CUSTOMS AND BORDER PROTECTION, DEPARTMENT OF HOMELAND SECURITY; DEPARTMENT OF THE TREASURY AIR COMMERCE REGULATIONS Penalties § 122.167 Aviation smuggling. (a) Civil penalties. Any aircraft...

19 CFR 122.167 - Aviation smuggling.

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2011-04-01

... 19 Customs Duties 1 2011-04-01 2011-04-01 false Aviation smuggling. 122.167 Section 122.167 Customs Duties U.S. CUSTOMS AND BORDER PROTECTION, DEPARTMENT OF HOMELAND SECURITY; DEPARTMENT OF THE TREASURY AIR COMMERCE REGULATIONS Penalties § 122.167 Aviation smuggling. (a) Civil penalties. Any aircraft...

19 CFR 122.167 - Aviation smuggling.

Code of Federal Regulations, 2012 CFR

2012-04-01

... 19 Customs Duties 1 2012-04-01 2012-04-01 false Aviation smuggling. 122.167 Section 122.167 Customs Duties U.S. CUSTOMS AND BORDER PROTECTION, DEPARTMENT OF HOMELAND SECURITY; DEPARTMENT OF THE TREASURY AIR COMMERCE REGULATIONS Penalties § 122.167 Aviation smuggling. (a) Civil penalties. Any aircraft...

19 CFR 122.167 - Aviation smuggling.

Code of Federal Regulations, 2013 CFR

2013-04-01

... 19 Customs Duties 1 2013-04-01 2013-04-01 false Aviation smuggling. 122.167 Section 122.167 Customs Duties U.S. CUSTOMS AND BORDER PROTECTION, DEPARTMENT OF HOMELAND SECURITY; DEPARTMENT OF THE TREASURY AIR COMMERCE REGULATIONS Penalties § 122.167 Aviation smuggling. (a) Civil penalties. Any aircraft...

19 CFR 122.167 - Aviation smuggling.

Code of Federal Regulations, 2014 CFR

2014-04-01

... 19 Customs Duties 1 2014-04-01 2014-04-01 false Aviation smuggling. 122.167 Section 122.167 Customs Duties U.S. CUSTOMS AND BORDER PROTECTION, DEPARTMENT OF HOMELAND SECURITY; DEPARTMENT OF THE TREASURY AIR COMMERCE REGULATIONS Penalties § 122.167 Aviation smuggling. (a) Civil penalties. Any aircraft...

27 CFR 19.167 - Organizational documents.

Code of Federal Regulations, 2010 CFR

2010-04-01

....167 Organizational documents. The supporting information required by paragraph (c) of § 19.152, and... 27 Alcohol, Tobacco Products and Firearms 1 2010-04-01 2010-04-01 false Organizational documents. 19.167 Section 19.167 Alcohol, Tobacco Products and Firearms ALCOHOL AND TOBACCO TAX AND TRADE BUREAU...

29 CFR 2570.167 - Summary decision.

Code of Federal Regulations, 2010 CFR

2010-07-01

... 29 Labor 9 2010-07-01 2010-07-01 false Summary decision. 2570.167 Section 2570.167 Labor Regulations Relating to Labor (Continued) EMPLOYEE BENEFITS SECURITY ADMINISTRATION, DEPARTMENT OF LABOR... ERISA Section 502(c)(8) § 2570.167 Summary decision. For 502(c)(8) civil penalty proceedings, this...

46 CFR 167.20-1 - Construction.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 7 2013-10-01 2013-10-01 false Construction. 167.20-1 Section 167.20-1 Shipping COAST... Requirements, Construction and Arrangement of Nautical School Ships § 167.20-1 Construction. Except as otherwise provided by law or regulations in this subpart, the following standards for construction are...

46 CFR 167.20-1 - Construction.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 46 Shipping 7 2011-10-01 2011-10-01 false Construction. 167.20-1 Section 167.20-1 Shipping COAST... Requirements, Construction and Arrangement of Nautical School Ships § 167.20-1 Construction. Except as otherwise provided by law or regulations in this subpart, the following standards for construction are...

46 CFR 167.20-1 - Construction.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 46 Shipping 7 2012-10-01 2012-10-01 false Construction. 167.20-1 Section 167.20-1 Shipping COAST... Requirements, Construction and Arrangement of Nautical School Ships § 167.20-1 Construction. Except as otherwise provided by law or regulations in this subpart, the following standards for construction are...

46 CFR 167.20-1 - Construction.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Construction. 167.20-1 Section 167.20-1 Shipping COAST... Requirements, Construction and Arrangement of Nautical School Ships § 167.20-1 Construction. Except as otherwise provided by law or regulations in this subpart, the following standards for construction are...

46 CFR 167.20-1 - Construction.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 46 Shipping 7 2014-10-01 2014-10-01 false Construction. 167.20-1 Section 167.20-1 Shipping COAST... Requirements, Construction and Arrangement of Nautical School Ships § 167.20-1 Construction. Except as otherwise provided by law or regulations in this subpart, the following standards for construction are...

25 CFR 167.2 - General regulations.

Code of Federal Regulations, 2011 CFR

2011-04-01

... 25 Indians 1 2011-04-01 2011-04-01 false General regulations. 167.2 Section 167.2 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR LAND AND WATER NAVAJO GRAZING REGULATIONS § 167.2 General regulations. Part 166 of this subchapter authorizes the Commissioner of Indian Affairs to regulate...

25 CFR 167.2 - General regulations.

Code of Federal Regulations, 2010 CFR

2010-04-01

... 25 Indians 1 2010-04-01 2010-04-01 false General regulations. 167.2 Section 167.2 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR LAND AND WATER NAVAJO GRAZING REGULATIONS § 167.2 General regulations. Part 166 of this subchapter authorizes the Commissioner of Indian Affairs to regulate...

46 CFR 167.43-1 - Application.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Application. 167.43-1 Section 167.43-1 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Work Vests § 167.43-1 Application. (a) Provisions of this subpart shall apply to all vessels inspected and...

46 CFR 167.43-1 - Application.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 46 Shipping 7 2012-10-01 2012-10-01 false Application. 167.43-1 Section 167.43-1 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Work Vests § 167.43-1 Application. (a) Provisions of this subpart shall apply to all vessels inspected and...

46 CFR 167.43-1 - Application.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 46 Shipping 7 2011-10-01 2011-10-01 false Application. 167.43-1 Section 167.43-1 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Work Vests § 167.43-1 Application. (a) Provisions of this subpart shall apply to all vessels inspected and...

46 CFR 167.43-1 - Application.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 46 Shipping 7 2014-10-01 2014-10-01 false Application. 167.43-1 Section 167.43-1 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Work Vests § 167.43-1 Application. (a) Provisions of this subpart shall apply to all vessels inspected and...

46 CFR 167.43-1 - Application.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 7 2013-10-01 2013-10-01 false Application. 167.43-1 Section 167.43-1 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Work Vests § 167.43-1 Application. (a) Provisions of this subpart shall apply to all vessels inspected and...

46 CFR 167.65-40 - Draft.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 46 Shipping 7 2011-10-01 2011-10-01 false Draft. 167.65-40 Section 167.65-40 Shipping COAST GUARD... Requirements § 167.65-40 Draft. The master of every nautical school ship over 50 gross tons shall, whenever leaving port, enter the maximum draft of his nautical school ship in the log book. ...

46 CFR 167.65-40 - Draft.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Draft. 167.65-40 Section 167.65-40 Shipping COAST GUARD... Requirements § 167.65-40 Draft. The master of every nautical school ship over 50 gross tons shall, whenever leaving port, enter the maximum draft of his nautical school ship in the log book. ...

46 CFR 167.65-40 - Draft.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 46 Shipping 7 2014-10-01 2014-10-01 false Draft. 167.65-40 Section 167.65-40 Shipping COAST GUARD... Requirements § 167.65-40 Draft. The master of every nautical school ship over 50 gross tons shall, whenever leaving port, enter the maximum draft of his nautical school ship in the log book. ...

46 CFR 167.65-40 - Draft.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 7 2013-10-01 2013-10-01 false Draft. 167.65-40 Section 167.65-40 Shipping COAST GUARD... Requirements § 167.65-40 Draft. The master of every nautical school ship over 50 gross tons shall, whenever leaving port, enter the maximum draft of his nautical school ship in the log book. ...

46 CFR 167.65-40 - Draft.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 46 Shipping 7 2012-10-01 2012-10-01 false Draft. 167.65-40 Section 167.65-40 Shipping COAST GUARD... Requirements § 167.65-40 Draft. The master of every nautical school ship over 50 gross tons shall, whenever leaving port, enter the maximum draft of his nautical school ship in the log book. ...

46 CFR 167.40-40 - Radar.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Radar. 167.40-40 Section 167.40-40 Shipping COAST GUARD... Requirements § 167.40-40 Radar. All mechanically propelled vessels of 1,600 gross tons and over in ocean or coastwise service must be fitted with a marine radar system for surface navigation. Facilities for plotting...

46 CFR 167.40-40 - Radar.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 46 Shipping 7 2011-10-01 2011-10-01 false Radar. 167.40-40 Section 167.40-40 Shipping COAST GUARD... Requirements § 167.40-40 Radar. All mechanically propelled vessels of 1,600 gross tons and over in ocean or coastwise service must be fitted with a marine radar system for surface navigation. Facilities for plotting...

46 CFR 167.40-40 - Radar.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 46 Shipping 7 2012-10-01 2012-10-01 false Radar. 167.40-40 Section 167.40-40 Shipping COAST GUARD... Requirements § 167.40-40 Radar. All mechanically propelled vessels of 1,600 gross tons and over in ocean or coastwise service must be fitted with a marine radar system for surface navigation. Facilities for plotting...

46 CFR 167.40-40 - Radar.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 7 2013-10-01 2013-10-01 false Radar. 167.40-40 Section 167.40-40 Shipping COAST GUARD... Requirements § 167.40-40 Radar. All mechanically propelled vessels of 1,600 gross tons and over in ocean or coastwise service must be fitted with a marine radar system for surface navigation. Facilities for plotting...

46 CFR 167.40-40 - Radar.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 46 Shipping 7 2014-10-01 2014-10-01 false Radar. 167.40-40 Section 167.40-40 Shipping COAST GUARD... Requirements § 167.40-40 Radar. All mechanically propelled vessels of 1,600 gross tons and over in ocean or coastwise service must be fitted with a marine radar system for surface navigation. Facilities for plotting...

Hafnium nitride buffer layers for growth of GaN on silicon

DOEpatents

Armitage, Robert D.; Weber, Eicke R.

2005-08-16

Gallium nitride is grown by plasma-assisted molecular-beam epitaxy on (111) and (001) silicon substrates using hafnium nitride buffer layers. Wurtzite GaN epitaxial layers are obtained on both the (111) and (001) HfN/Si surfaces, with crack-free thickness up to 1.2 {character pullout}m. However, growth on the (001) surface results in nearly stress-free films, suggesting that much thicker crack-free layers could be obtained.

Studies on Optical and Electrical Properties of Hafnium Oxide Nanoparticles

NASA Astrophysics Data System (ADS)

Jayaraman, Venkatachalam; Sagadevan, Suresh; Sudhakar, Rajesh

2017-07-01

In this paper, the synthesis and physico-chemical properties of hafnium oxide nanoparticles (HfO2 NPs) are analyzed and reported. The synthesis was carried out by the precipitation route by using hafnium tetrachloride (HfCl4) as precursor material with potassium hydroxide (KOH) dissolved in Millipore water. In the precipitation technique, the chemical reaction is comparatively simple, low-cost and non-toxic compared to other synthetic methods. The synthesized HfO2 NPs were characterized by using powder x-ray diffraction (PXRD), ultraviolet-visible (UV-Vis) spectroscopy, Raman analysis, and high-resolution transmission electron microscopy (HRTEM). The monoclinic structure of the HfO2 NPs was resolved utilizing x-ray diffraction (XRD). The optical properties were studied from the UV-Vis absorption spectrum. The optical band gap of the HfO2NPs was observed to be 5.1 eV. The Raman spectrum shows the presence of HfO2 NPs. The HRTEM image showed that the HfO2 NPs were of spherical shape with an average particle size of around 28 nm. The energy-dispersive x-ray spectroscopy (EDS) spectrum obviously demonstrated the presence of HfO2 NPs. Analysis and studies on the dielectric properties of the HfO2 NPs such as the dielectric constant, the dielectric loss, and alternating current (AC) conductivity were carried out at varying frequencies and temperatures.

Hafnium isotope evidence for a transition in the dynamics of continental growth 3.2 Gyr ago.

PubMed

Næraa, T; Scherstén, A; Rosing, M T; Kemp, A I S; Hoffmann, J E; Kokfelt, T F; Whitehouse, M J

2012-05-30

Earth's lithosphere probably experienced an evolution towards the modern plate tectonic regime, owing to secular changes in mantle temperature. Radiogenic isotope variations are interpreted as evidence for the declining rates of continental crustal growth over time, with some estimates suggesting that over 70% of the present continental crustal reservoir was extracted by the end of the Archaean eon. Patterns of crustal growth and reworking in rocks younger than three billion years (Gyr) are thought to reflect the assembly and break-up of supercontinents by Wilson cycle processes and mark an important change in lithosphere dynamics. In southern West Greenland numerous studies have, however, argued for subduction settings and crust growth by arc accretion back to 3.8 Gyr ago, suggesting that modern-day tectonic regimes operated during the formation of the earliest crustal rock record. Here we report in situ uranium-lead, hafnium and oxygen isotope data from zircons of basement rocks in southern West Greenland across the critical time period during which modern-like tectonic regimes could have initiated. Our data show pronounced differences in the hafnium isotope-time patterns across this interval, requiring changes in the characteristics of the magmatic protolith. The observations suggest that 3.9-3.5-Gyr-old rocks differentiated from a >3.9-Gyr-old source reservoir with a chondritic to slightly depleted hafnium isotope composition. In contrast, rocks formed after 3.2 Gyr ago register the first additions of juvenile depleted material (that is, new mantle-derived crust) since 3.9 Gyr ago, and are characterized by striking shifts in hafnium isotope ratios similar to those shown by Phanerozoic subduction-related orogens. These data suggest a transitional period 3.5-3.2 Gyr ago from an ancient (3.9-3.5 Gyr old) crustal evolutionary regime unlike that of modern plate tectonics to a geodynamic setting after 3.2 Gyr ago that involved juvenile crust generation by plate

9 CFR 167.10 - Stipulations.

Code of Federal Regulations, 2013 CFR

2013-01-01

... 9 Animals and Animal Products 1 2013-01-01 2013-01-01 false Stipulations. 167.10 Section 167.10 Animals and Animal Products ANIMAL AND PLANT HEALTH INSPECTION SERVICE, DEPARTMENT OF AGRICULTURE SWINE HEALTH PROTECTION RULES OF PRACTICE GOVERNING PROCEEDINGS UNDER THE SWINE HEALTH PROTECTION ACT...

9 CFR 167.10 - Stipulations.

Code of Federal Regulations, 2012 CFR

2012-01-01

... 9 Animals and Animal Products 1 2012-01-01 2012-01-01 false Stipulations. 167.10 Section 167.10 Animals and Animal Products ANIMAL AND PLANT HEALTH INSPECTION SERVICE, DEPARTMENT OF AGRICULTURE SWINE HEALTH PROTECTION RULES OF PRACTICE GOVERNING PROCEEDINGS UNDER THE SWINE HEALTH PROTECTION ACT...

9 CFR 167.10 - Stipulations.

Code of Federal Regulations, 2014 CFR

2014-01-01

... 9 Animals and Animal Products 1 2014-01-01 2014-01-01 false Stipulations. 167.10 Section 167.10 Animals and Animal Products ANIMAL AND PLANT HEALTH INSPECTION SERVICE, DEPARTMENT OF AGRICULTURE SWINE HEALTH PROTECTION RULES OF PRACTICE GOVERNING PROCEEDINGS UNDER THE SWINE HEALTH PROTECTION ACT...

9 CFR 167.10 - Stipulations.

Code of Federal Regulations, 2010 CFR

2010-01-01

... 9 Animals and Animal Products 1 2010-01-01 2010-01-01 false Stipulations. 167.10 Section 167.10 Animals and Animal Products ANIMAL AND PLANT HEALTH INSPECTION SERVICE, DEPARTMENT OF AGRICULTURE SWINE HEALTH PROTECTION RULES OF PRACTICE GOVERNING PROCEEDINGS UNDER THE SWINE HEALTH PROTECTION ACT...

9 CFR 167.10 - Stipulations.

Code of Federal Regulations, 2011 CFR

2011-01-01

... 9 Animals and Animal Products 1 2011-01-01 2011-01-01 false Stipulations. 167.10 Section 167.10 Animals and Animal Products ANIMAL AND PLANT HEALTH INSPECTION SERVICE, DEPARTMENT OF AGRICULTURE SWINE HEALTH PROTECTION RULES OF PRACTICE GOVERNING PROCEEDINGS UNDER THE SWINE HEALTH PROTECTION ACT...

37 CFR 1.167 - Examination.

Code of Federal Regulations, 2010 CFR

2010-07-01

... 37 Patents, Trademarks, and Copyrights 1 2010-07-01 2010-07-01 false Examination. 1.167 Section 1.167 Patents, Trademarks, and Copyrights UNITED STATES PATENT AND TRADEMARK OFFICE, DEPARTMENT OF... Examination. Applications may be submitted by the Patent and Trademark Office to the Department of Agriculture...

40 CFR 49.167 - Definitions.

Code of Federal Regulations, 2012 CFR

2012-07-01

... 40 Protection of Environment 1 2012-07-01 2012-07-01 false Definitions. 49.167 Section 49.167 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY GRANTS AND OTHER FEDERAL ASSISTANCE INDIAN COUNTRY... has the right to enforce it. (2) Practical enforceability for an emission limitation or for other...

40 CFR 49.167 - Definitions.

Code of Federal Regulations, 2014 CFR

2014-07-01

... 40 Protection of Environment 1 2014-07-01 2014-07-01 false Definitions. 49.167 Section 49.167 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY GRANTS AND OTHER FEDERAL ASSISTANCE INDIAN COUNTRY... has the right to enforce it. (2) Practical enforceability for an emission limitation or for other...

40 CFR 49.167 - Definitions.

Code of Federal Regulations, 2011 CFR

2011-07-01

... 40 Protection of Environment 1 2011-07-01 2011-07-01 false Definitions. 49.167 Section 49.167 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY GRANTS AND OTHER FEDERAL ASSISTANCE INDIAN COUNTRY... has the right to enforce it. (2) Practical enforceability for an emission limitation or for other...

40 CFR 49.167 - Definitions.

Code of Federal Regulations, 2013 CFR

2013-07-01

... 40 Protection of Environment 1 2013-07-01 2013-07-01 false Definitions. 49.167 Section 49.167 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY GRANTS AND OTHER FEDERAL ASSISTANCE INDIAN COUNTRY... has the right to enforce it. (2) Practical enforceability for an emission limitation or for other...

19 CFR 191.167 - Liquidation.

Code of Federal Regulations, 2010 CFR

2010-04-01

... 19 Customs Duties 2 2010-04-01 2010-04-01 false Liquidation. 191.167 Section 191.167 Customs Duties U.S. CUSTOMS AND BORDER PROTECTION, DEPARTMENT OF HOMELAND SECURITY; DEPARTMENT OF THE TREASURY (CONTINUED) DRAWBACK Distilled Spirits, Wines, or Beer Which Are Unmerchantable or Do Not Conform to Sample...

19 CFR 191.167 - Liquidation.

Code of Federal Regulations, 2013 CFR

2013-04-01

... 19 Customs Duties 2 2013-04-01 2013-04-01 false Liquidation. 191.167 Section 191.167 Customs Duties U.S. CUSTOMS AND BORDER PROTECTION, DEPARTMENT OF HOMELAND SECURITY; DEPARTMENT OF THE TREASURY (CONTINUED) DRAWBACK Distilled Spirits, Wines, or Beer Which Are Unmerchantable or Do Not Conform to Sample...

Slow DNA Transport through Nanopores in Hafnium Oxide Membranes

PubMed Central

Bell, David C.; Cohen-Karni, Tzahi; Rosenstein, Jacob K.; Wanunu, Meni

2016-01-01

We present a study of double- and single-stranded DNA transport through nanopores fabricated in ultrathin (2–7 nm thick) free-standing hafnium oxide (HfO2) membranes. The high chemical stability of ultrathin HfO2 enables long-lived experiments with <2 nm diameter pores that last several hours, in which we observe >50 000 DNA translocations with no detectable pore expansion. Mean DNA velocities are slower than velocities through comparable silicon nitride pores, providing evidence that HfO2 nanopores have favorable physicochemical interactions with nucleic acids that can be leveraged to slow down DNA in a nanopore. PMID:24083444

46 CFR 167.15-50 - Tailshaft examinations.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Tailshaft examinations. 167.15-50 Section 167.15-50 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Inspections § 167.15-50 Tailshaft examinations. Tailshaft examinations on nautical school ships...

33 CFR 117.167 - Little Potato Slough.

Code of Federal Regulations, 2010 CFR

2010-07-01

... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Little Potato Slough. 117.167 Section 117.167 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements California § 117.167 Little Potato Slough. The draw of...

46 CFR 167.40-1 - Electrical installations.

Code of Federal Regulations, 2011 CFR

2011-10-01

... (Electrical Engineering) of this chapter. (3) Institute of Electrical and Electronic Engineers, Inc. (IEEE... 46 Shipping 7 2011-10-01 2011-10-01 false Electrical installations. 167.40-1 Section 167.40-1... SHIPS Certain Equipment Requirements § 167.40-1 Electrical installations. (a) Except as otherwise...

46 CFR 167.40-1 - Electrical installations.

Code of Federal Regulations, 2012 CFR

2012-10-01

... (Electrical Engineering) of this chapter. (3) Institute of Electrical and Electronic Engineers, Inc. (IEEE... 46 Shipping 7 2012-10-01 2012-10-01 false Electrical installations. 167.40-1 Section 167.40-1... SHIPS Certain Equipment Requirements § 167.40-1 Electrical installations. (a) Except as otherwise...

46 CFR 167.40-1 - Electrical installations.

Code of Federal Regulations, 2014 CFR

2014-10-01

... (Electrical Engineering) of this chapter. (3) Institute of Electrical and Electronic Engineers, Inc. (IEEE... 46 Shipping 7 2014-10-01 2014-10-01 false Electrical installations. 167.40-1 Section 167.40-1... SHIPS Certain Equipment Requirements § 167.40-1 Electrical installations. (a) Except as otherwise...

46 CFR 167.40-1 - Electrical installations.

Code of Federal Regulations, 2013 CFR

2013-10-01

... (Electrical Engineering) of this chapter. (3) Institute of Electrical and Electronic Engineers, Inc. (IEEE... 46 Shipping 7 2013-10-01 2013-10-01 false Electrical installations. 167.40-1 Section 167.40-1... SHIPS Certain Equipment Requirements § 167.40-1 Electrical installations. (a) Except as otherwise...

33 CFR 117.167 - Little Potato Slough.

Code of Federal Regulations, 2013 CFR

2013-07-01

... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Little Potato Slough. 117.167 Section 117.167 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements California § 117.167 Little Potato Slough. The draw of...

33 CFR 117.167 - Little Potato Slough.

Code of Federal Regulations, 2014 CFR

2014-07-01

... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Little Potato Slough. 117.167 Section 117.167 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements California § 117.167 Little Potato Slough. The draw of...

33 CFR 117.167 - Little Potato Slough.

Code of Federal Regulations, 2011 CFR

2011-07-01

... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Little Potato Slough. 117.167 Section 117.167 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements California § 117.167 Little Potato Slough. The draw of...

33 CFR 117.167 - Little Potato Slough.

Code of Federal Regulations, 2012 CFR

2012-07-01

... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Little Potato Slough. 117.167 Section 117.167 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements California § 117.167 Little Potato Slough. The draw of...

Cathodoluminescence Study of Hafnium Oxide

NASA Astrophysics Data System (ADS)

Purcell, Emily; Hengehold, Robert; McClory, John

2011-10-01

Hafnium dioxide (HfO2) is increasingly being used in place of silicon oxide as a gate insulator in field effect transistors. This is primarily due to its high dielectric constant, κ, of 25. Samples of HfO2 were grown by either atomic layer deposition (ALD) or pulsed laser deposition (PLD), with the PLD samples having assorted substrate temperatures during deposition (300 C, 500 C, and 750 C). Cathodoluminescence (CL) was chosen as the technique used for studying these HfO2 samples. The CL system used was capable of beam energies ranging from 1 keV to 20 keV and beam currents ranging from 10 μA to 50 μA. A Monte Carlo calculation using CASINO software was performed in order to determine the beam energy for the desired depth of penetration. Measurements were taken at sample temperatures ranging from 7K (closed cycled cryostat) to 300K (room temperature), as well as at various beam energies and beam currents. Comparison will be made between the PLD and ALD spectra.

46 CFR 167.05-40 - Underwater survey.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 46 Shipping 7 2011-10-01 2011-10-01 false Underwater survey. 167.05-40 Section 167.05-40 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Definitions § 167.05-40 Underwater survey. Underwater survey means the examination of the vessel's underwater...

46 CFR 167.05-40 - Underwater survey.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 7 2013-10-01 2013-10-01 false Underwater survey. 167.05-40 Section 167.05-40 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Definitions § 167.05-40 Underwater survey. Underwater survey means the examination of the vessel's underwater...

46 CFR 167.05-40 - Underwater survey.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 46 Shipping 7 2014-10-01 2014-10-01 false Underwater survey. 167.05-40 Section 167.05-40 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Definitions § 167.05-40 Underwater survey. Underwater survey means the examination of the vessel's underwater...

46 CFR 167.05-40 - Underwater survey.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Underwater survey. 167.05-40 Section 167.05-40 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Definitions § 167.05-40 Underwater survey. Underwater survey means the examination of the vessel's underwater...

46 CFR 167.05-40 - Underwater survey.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 46 Shipping 7 2012-10-01 2012-10-01 false Underwater survey. 167.05-40 Section 167.05-40 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Definitions § 167.05-40 Underwater survey. Underwater survey means the examination of the vessel's underwater...

46 CFR 167.40-1 - Electrical installations.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Electrical installations. 167.40-1 Section 167.40-1... SHIPS Certain Equipment Requirements § 167.40-1 Electrical installations. (a) Except as otherwise...) Changes or alterations in the electrical installations of vessels now in service shall be in accordance...

46 CFR 108.167 - Weather deck ladders.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 46 Shipping 4 2011-10-01 2011-10-01 false Weather deck ladders. 108.167 Section 108.167 Shipping... EQUIPMENT Construction and Arrangement Means of Escape § 108.167 Weather deck ladders. Each unit must have at least one permanent, inclined ladder between each weather deck. Classified Locations ...

46 CFR 108.167 - Weather deck ladders.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 4 2010-10-01 2010-10-01 false Weather deck ladders. 108.167 Section 108.167 Shipping... EQUIPMENT Construction and Arrangement Means of Escape § 108.167 Weather deck ladders. Each unit must have at least one permanent, inclined ladder between each weather deck. Classified Locations ...

46 CFR 108.167 - Weather deck ladders.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 46 Shipping 4 2014-10-01 2014-10-01 false Weather deck ladders. 108.167 Section 108.167 Shipping... EQUIPMENT Construction and Arrangement Means of Escape § 108.167 Weather deck ladders. Each unit must have at least one permanent, inclined ladder between each weather deck. Classified Locations ...

46 CFR 108.167 - Weather deck ladders.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 46 Shipping 4 2012-10-01 2012-10-01 false Weather deck ladders. 108.167 Section 108.167 Shipping... EQUIPMENT Construction and Arrangement Means of Escape § 108.167 Weather deck ladders. Each unit must have at least one permanent, inclined ladder between each weather deck. Classified Locations ...

46 CFR 108.167 - Weather deck ladders.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 4 2013-10-01 2013-10-01 false Weather deck ladders. 108.167 Section 108.167 Shipping... EQUIPMENT Construction and Arrangement Means of Escape § 108.167 Weather deck ladders. Each unit must have at least one permanent, inclined ladder between each weather deck. Classified Locations ...

26 CFR 1.167(b)-4 - Other methods.

Code of Federal Regulations, 2010 CFR

2010-04-01

... 26 Internal Revenue 2 2010-04-01 2010-04-01 false Other methods. 1.167(b)-4 Section 1.167(b)-4...) INCOME TAXES (CONTINUED) Itemized Deductions for Individuals and Corporations § 1.167(b)-4 Other methods. (a) Under section 167(b)(4) a taxpayer may use any consistent method of computing depreciation, such...

26 CFR 1.167(b)-4 - Other methods.

Code of Federal Regulations, 2014 CFR

2014-04-01

... 26 Internal Revenue 2 2014-04-01 2014-04-01 false Other methods. 1.167(b)-4 Section 1.167(b)-4...) INCOME TAXES (CONTINUED) Itemized Deductions for Individuals and Corporations § 1.167(b)-4 Other methods. (a) Under section 167(b)(4) a taxpayer may use any consistent method of computing depreciation, such...

26 CFR 1.167(b)-4 - Other methods.

Code of Federal Regulations, 2012 CFR

2012-04-01

... 26 Internal Revenue 2 2012-04-01 2012-04-01 false Other methods. 1.167(b)-4 Section 1.167(b)-4...) INCOME TAXES (CONTINUED) Itemized Deductions for Individuals and Corporations § 1.167(b)-4 Other methods. (a) Under section 167(b)(4) a taxpayer may use any consistent method of computing depreciation, such...

26 CFR 1.167(b)-4 - Other methods.

Code of Federal Regulations, 2013 CFR

2013-04-01

... 26 Internal Revenue 2 2013-04-01 2013-04-01 false Other methods. 1.167(b)-4 Section 1.167(b)-4...) INCOME TAXES (CONTINUED) Itemized Deductions for Individuals and Corporations § 1.167(b)-4 Other methods. (a) Under section 167(b)(4) a taxpayer may use any consistent method of computing depreciation, such...

26 CFR 1.167(b)-4 - Other methods.

Code of Federal Regulations, 2011 CFR

2011-04-01

... 26 Internal Revenue 2 2011-04-01 2011-04-01 false Other methods. 1.167(b)-4 Section 1.167(b)-4...) INCOME TAXES (CONTINUED) Itemized Deductions for Individuals and Corporations § 1.167(b)-4 Other methods. (a) Under section 167(b)(4) a taxpayer may use any consistent method of computing depreciation, such...

10 CFR 501.167 - Fuel use order.

Code of Federal Regulations, 2012 CFR

2012-01-01

... 10 Energy 4 2012-01-01 2012-01-01 false Fuel use order. 501.167 Section 501.167 Energy DEPARTMENT OF ENERGY (CONTINUED) ALTERNATE FUELS ADMINISTRATIVE PROCEDURES AND SANCTIONS Enforcement § 501.167 Fuel use order. (a) General. OFE will issue a Fuel Use Order if, after considering all the information...

10 CFR 501.167 - Fuel use order.

Code of Federal Regulations, 2010 CFR

2010-01-01

... 10 Energy 4 2010-01-01 2010-01-01 false Fuel use order. 501.167 Section 501.167 Energy DEPARTMENT OF ENERGY (CONTINUED) ALTERNATE FUELS ADMINISTRATIVE PROCEDURES AND SANCTIONS Enforcement § 501.167 Fuel use order. (a) General. OFE will issue a Fuel Use Order if, after considering all the information...

26 CFR 1.167(m)-1 - Class lives.

Code of Federal Regulations, 2010 CFR

2010-04-01

... 26 Internal Revenue 2 2010-04-01 2010-04-01 false Class lives. 1.167(m)-1 Section 1.167(m)-1...) INCOME TAXES (CONTINUED) Itemized Deductions for Individuals and Corporations § 1.167(m)-1 Class lives. (a) For rules regarding the election to use the class life system authorized by section 167(m), see...

26 CFR 1.167(m)-1 - Class lives.

Code of Federal Regulations, 2011 CFR

2011-04-01

... 26 Internal Revenue 2 2011-04-01 2011-04-01 false Class lives. 1.167(m)-1 Section 1.167(m)-1...) INCOME TAXES (CONTINUED) Itemized Deductions for Individuals and Corporations § 1.167(m)-1 Class lives. (a) For rules regarding the election to use the class life system authorized by section 167(m), see...

26 CFR 1.167(m)-1 - Class lives.

Code of Federal Regulations, 2014 CFR

2014-04-01

... 26 Internal Revenue 2 2014-04-01 2014-04-01 false Class lives. 1.167(m)-1 Section 1.167(m)-1...) INCOME TAXES (CONTINUED) Itemized Deductions for Individuals and Corporations § 1.167(m)-1 Class lives. (a) For rules regarding the election to use the class life system authorized by section 167(m), see...

26 CFR 1.167(m)-1 - Class lives.

Code of Federal Regulations, 2013 CFR

2013-04-01

... 26 Internal Revenue 2 2013-04-01 2013-04-01 false Class lives. 1.167(m)-1 Section 1.167(m)-1...) INCOME TAXES (CONTINUED) Itemized Deductions for Individuals and Corporations § 1.167(m)-1 Class lives. (a) For rules regarding the election to use the class life system authorized by section 167(m), see...

26 CFR 1.167(m)-1 - Class lives.

Code of Federal Regulations, 2012 CFR

2012-04-01

... 26 Internal Revenue 2 2012-04-01 2012-04-01 false Class lives. 1.167(m)-1 Section 1.167(m)-1...) INCOME TAXES (CONTINUED) Itemized Deductions for Individuals and Corporations § 1.167(m)-1 Class lives. (a) For rules regarding the election to use the class life system authorized by section 167(m), see...

46 CFR 167.15-1 - Inspections required.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Inspections required. 167.15-1 Section 167.15-1 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Inspections § 167.15-1 Inspections required. (a) Before a vessel may be used as a nautical school ship, it...

27 CFR 40.167 - Prepayment tax return.

Code of Federal Regulations, 2010 CFR

2010-04-01

... 27 Alcohol, Tobacco Products and Firearms 2 2010-04-01 2010-04-01 false Prepayment tax return. 40.167 Section 40.167 Alcohol, Tobacco Products and Firearms ALCOHOL AND TOBACCO TAX AND TRADE BUREAU... Taxes on Tobacco Products § 40.167 Prepayment tax return. (a) To prepay the tax on tobacco products a...

46 CFR 167.40-25 - Signaling lamp.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Signaling lamp. 167.40-25 Section 167.40-25 Shipping... Certain Equipment Requirements § 167.40-25 Signaling lamp. Nautical school ships of over 150 gross tons shall be equipped with an efficient signaling lamp. This lamp shall be permanently fixed above the...

46 CFR 167.40-25 - Signaling lamp.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 46 Shipping 7 2011-10-01 2011-10-01 false Signaling lamp. 167.40-25 Section 167.40-25 Shipping... Certain Equipment Requirements § 167.40-25 Signaling lamp. Nautical school ships of over 150 gross tons shall be equipped with an efficient signaling lamp. This lamp shall be permanently fixed above the...

46 CFR 167.40-25 - Signaling lamp.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 7 2013-10-01 2013-10-01 false Signaling lamp. 167.40-25 Section 167.40-25 Shipping... Certain Equipment Requirements § 167.40-25 Signaling lamp. Nautical school ships of over 150 gross tons shall be equipped with an efficient signaling lamp. This lamp shall be permanently fixed above the...

46 CFR 167.40-25 - Signaling lamp.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 46 Shipping 7 2012-10-01 2012-10-01 false Signaling lamp. 167.40-25 Section 167.40-25 Shipping... Certain Equipment Requirements § 167.40-25 Signaling lamp. Nautical school ships of over 150 gross tons shall be equipped with an efficient signaling lamp. This lamp shall be permanently fixed above the...

46 CFR 167.40-25 - Signaling lamp.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 46 Shipping 7 2014-10-01 2014-10-01 false Signaling lamp. 167.40-25 Section 167.40-25 Shipping... Certain Equipment Requirements § 167.40-25 Signaling lamp. Nautical school ships of over 150 gross tons shall be equipped with an efficient signaling lamp. This lamp shall be permanently fixed above the...

42 CFR 440.167 - Personal care services.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 42 Public Health 4 2014-10-01 2014-10-01 false Personal care services. 440.167 Section 440.167 Public Health CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) MEDICAL ASSISTANCE PROGRAMS SERVICES: GENERAL PROVISIONS Definitions § 440.167 Personal care services. Unless defined differently by a State...

42 CFR 440.167 - Personal care services.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 42 Public Health 4 2011-10-01 2011-10-01 false Personal care services. 440.167 Section 440.167 Public Health CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) MEDICAL ASSISTANCE PROGRAMS SERVICES: GENERAL PROVISIONS Definitions § 440.167 Personal care services. Unless defined differently by a State...

42 CFR 440.167 - Personal care services.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 42 Public Health 4 2012-10-01 2012-10-01 false Personal care services. 440.167 Section 440.167 Public Health CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) MEDICAL ASSISTANCE PROGRAMS SERVICES: GENERAL PROVISIONS Definitions § 440.167 Personal care services. Unless defined differently by a State...

42 CFR 440.167 - Personal care services.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 42 Public Health 4 2010-10-01 2010-10-01 false Personal care services. 440.167 Section 440.167 Public Health CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) MEDICAL ASSISTANCE PROGRAMS SERVICES: GENERAL PROVISIONS Definitions § 440.167 Personal care services. Unless defined differently by a State...

42 CFR 440.167 - Personal care services.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 42 Public Health 4 2013-10-01 2013-10-01 false Personal care services. 440.167 Section 440.167 Public Health CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) MEDICAL ASSISTANCE PROGRAMS SERVICES: GENERAL PROVISIONS Definitions § 440.167 Personal care services. Unless defined differently by a State...

27 CFR 17.167 - Inventories.

Code of Federal Regulations, 2010 CFR

2010-04-01

... 27 Alcohol, Tobacco Products and Firearms 1 2010-04-01 2010-04-01 false Inventories. 17.167... PRODUCTS Records § 17.167 Inventories. (a) Distilled spirits. The “on hand” figures reported in Part II of TTB Form 5154.2 shall be verified by physical inventories taken as of the end of each quarter in which...

Self-cleaning and surface chemical reactions during hafnium dioxide atomic layer deposition on indium arsenide.

PubMed

Timm, Rainer; Head, Ashley R; Yngman, Sofie; Knutsson, Johan V; Hjort, Martin; McKibbin, Sarah R; Troian, Andrea; Persson, Olof; Urpelainen, Samuli; Knudsen, Jan; Schnadt, Joachim; Mikkelsen, Anders

2018-04-12

Atomic layer deposition (ALD) enables the ultrathin high-quality oxide layers that are central to all modern metal-oxide-semiconductor circuits. Crucial to achieving superior device performance are the chemical reactions during the first deposition cycle, which could ultimately result in atomic-scale perfection of the semiconductor-oxide interface. Here, we directly observe the chemical reactions at the surface during the first cycle of hafnium dioxide deposition on indium arsenide under realistic synthesis conditions using photoelectron spectroscopy. We find that the widely used ligand exchange model of the ALD process for the removal of native oxide on the semiconductor and the simultaneous formation of the first hafnium dioxide layer must be significantly revised. Our study provides substantial evidence that the efficiency of the self-cleaning process and the quality of the resulting semiconductor-oxide interface can be controlled by the molecular adsorption process of the ALD precursors, rather than the subsequent oxide formation.

46 CFR 167.45-80 - Fire axes.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Fire axes. 167.45-80 Section 167.45-80 Shipping COAST... Firefighting and Fire Prevention Requirements § 167.45-80 Fire axes. (a) All nautical school ships shall be provided with fire axes, as follows: Number of axes Gross tons of nautical school ships: All not over 50...

Aminopyridinate-FI hybrids, their hafnium and titanium complexes, and their application in the living polymerization of 1-hexene.

PubMed

Haas, Isabelle; Dietel, Thomas; Press, Konstantin; Kol, Moshe; Kempe, Rhett

2013-10-11

Based on two well-established ligand systems, the aminopyridinato (Ap) and the phenoxyimine (FI) ligand systems, new Ap-FI hybrid ligands were developed. Four different Ap-FI hybrid ligands were synthesized through a simple condensation reaction and fully characterized. The reaction of hafnium tetrabenzyl with all four Ap-FI hybrid ligands exclusively led to mono(Ap-FI) complexes of the type [(Ap-FI)HfBn2 ]. The ligands acted as tetradentate dianionic chelates. Upon activation with tris(pentafluorophenyl)borane, the hafnium-dibenzyl complexes led to highly active catalysts for the polymerization of 1-hexene. Ultrahigh molecular weights and extremely narrow polydispersities support the living nature of this polymerization process. A possible deactivation product of the hafnium catalysts was characterized by single-crystal X-ray analysis and is discussed. The coordination modes of these new ligands were studied with the help of model titanium complexes. The reaction of titanium(IV) isopropoxide with ligand 1 led to a mono(Ap-FI) complex, which showed the desired fac-mer coordination mode. Titanium (IV) isopropoxide reacted with ligand 4 to give a complex of the type [(ApH-FI)2 Ti(OiPr)2 ], which featured the ligand in its monoanionic form. The two titanium complexes were characterized by X-ray crystal-structure analysis. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Processing and characterization of boron carbide-hafnium diboride ceramics

NASA Astrophysics Data System (ADS)

Brown-Shaklee, Harlan James

Hafnium diboride based ceramics are promising candidate materials for advanced aerospace and nuclear reactor components. The effectiveness of boron carbide and carbon as HfB2 sintering additives was systematically evaluated. In the first stage of the research, boron carbide and carbon additives were found to improve the densification behavior of milled HfB2 powder in part by removing oxides at the HfB2 surface during processing. Boron carbide additives reduced the hot pressing temperature of HfB2 by 150°C compared to carbon, which reduced the hot pressing temperature by ˜50°C. Reduction of oxide impurities alone could not explain the difference in sintering enhancement, however, and other mechanisms of enhancement were evaluated. Boron carbides throughout the homogeneity range were characterized to understand other mechanisms of sintering enhancement in HfB2. Heavily faulted carbon rich and boron rich boron carbides were synthesized for addition to HfB2. The greatest enhancement to densification was observed in samples containing boron- and carbon-rich compositions whereas B6.5 C provided the least enhancement to densification. It is proposed that carbon rich and boron rich boron carbides create boron and hafnium point defects in HfB2, respectively, which facilitate densification. Evaluation of the thermal conductivity (kth) between room temperature and 2000°C suggested that the stoichiometry of the boron carbide additives did not significantly affect kth of HfB2-BxC composites. The improved sinterability and the high kth (˜110 W/m-K at 300K and ˜90 W/m-K at 1000°C ) of HfB2-BxC ceramics make them excellent candidates for isotopically enriched reactor control materials.

46 CFR 167.01-5 - Application of regulations.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Application of regulations. 167.01-5 Section 167.01-5... SHIPS General Provisions § 167.01-5 Application of regulations. (a) Regulations in this part contain requirements for the design, construction, inspection, lifesaving equipment, firefighting and fire prevention...

7 CFR 1260.167 - Powers of the Committee.

Code of Federal Regulations, 2010 CFR

2010-01-01

... AGREEMENTS AND ORDERS; MISCELLANEOUS COMMODITIES), DEPARTMENT OF AGRICULTURE BEEF PROMOTION AND RESEARCH Beef Promotion and Research Order Beef Promotion Operating Committee § 1260.167 Powers of the Committee. The... 7 Agriculture 10 2010-01-01 2010-01-01 false Powers of the Committee. 1260.167 Section 1260.167...

46 CFR 167.05-25 - Nautical school ship.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 7 2013-10-01 2013-10-01 false Nautical school ship. 167.05-25 Section 167.05-25 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Definitions § 167.05-25 Nautical school ship. The term nautical school ship means a vessel...

46 CFR 167.05-25 - Nautical school ship.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 46 Shipping 7 2014-10-01 2014-10-01 false Nautical school ship. 167.05-25 Section 167.05-25 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Definitions § 167.05-25 Nautical school ship. The term nautical school ship means a vessel...

46 CFR 167.05-25 - Nautical school ship.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 46 Shipping 7 2012-10-01 2012-10-01 false Nautical school ship. 167.05-25 Section 167.05-25 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Definitions § 167.05-25 Nautical school ship. The term nautical school ship means a vessel...

46 CFR 167.05-35 - Public nautical school.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 46 Shipping 7 2011-10-01 2011-10-01 false Public nautical school. 167.05-35 Section 167.05-35 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Definitions § 167.05-35 Public nautical school. The term public nautical school means any school...

46 CFR 167.05-25 - Nautical school ship.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 46 Shipping 7 2011-10-01 2011-10-01 false Nautical school ship. 167.05-25 Section 167.05-25 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Definitions § 167.05-25 Nautical school ship. The term nautical school ship means a vessel...

46 CFR 167.05-25 - Nautical school ship.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Nautical school ship. 167.05-25 Section 167.05-25 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Definitions § 167.05-25 Nautical school ship. The term nautical school ship means a vessel...

46 CFR 167.05-35 - Public nautical school.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Public nautical school. 167.05-35 Section 167.05-35 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Definitions § 167.05-35 Public nautical school. The term public nautical school means any school...

Metal–Organic Nanosheets Formed via Defect-Mediated Transformation of a Hafnium Metal–Organic Framework

PubMed Central

2017-01-01

We report a hafnium-containing MOF, hcp UiO-67(Hf), which is a ligand-deficient layered analogue of the face-centered cubic fcu UiO-67(Hf). hcp UiO-67 accommodates its lower ligand:metal ratio compared to fcu UiO-67 through a new structural mechanism: the formation of a condensed “double cluster” (Hf12O8(OH)14), analogous to the condensation of coordination polyhedra in oxide frameworks. In oxide frameworks, variable stoichiometry can lead to more complex defect structures, e.g., crystallographic shear planes or modules with differing compositions, which can be the source of further chemical reactivity; likewise, the layered hcp UiO-67 can react further to reversibly form a two-dimensional metal–organic framework, hxl UiO-67. Both three-dimensional hcp UiO-67 and two-dimensional hxl UiO-67 can be delaminated to form metal–organic nanosheets. Delamination of hcp UiO-67 occurs through the cleavage of strong hafnium-carboxylate bonds and is effected under mild conditions, suggesting that defect-ordered MOFs could be a productive route to porous two-dimensional materials. PMID:28343394

Metal-Organic Nanosheets Formed via Defect-Mediated Transformation of a Hafnium Metal-Organic Framework.

PubMed

Cliffe, Matthew J; Castillo-Martínez, Elizabeth; Wu, Yue; Lee, Jeongjae; Forse, Alexander C; Firth, Francesca C N; Moghadam, Peyman Z; Fairen-Jimenez, David; Gaultois, Michael W; Hill, Joshua A; Magdysyuk, Oxana V; Slater, Ben; Goodwin, Andrew L; Grey, Clare P

2017-04-19

We report a hafnium-containing MOF, hcp UiO-67(Hf), which is a ligand-deficient layered analogue of the face-centered cubic fcu UiO-67(Hf). hcp UiO-67 accommodates its lower ligand:metal ratio compared to fcu UiO-67 through a new structural mechanism: the formation of a condensed "double cluster" (Hf 12 O 8 (OH) 14 ), analogous to the condensation of coordination polyhedra in oxide frameworks. In oxide frameworks, variable stoichiometry can lead to more complex defect structures, e.g., crystallographic shear planes or modules with differing compositions, which can be the source of further chemical reactivity; likewise, the layered hcp UiO-67 can react further to reversibly form a two-dimensional metal-organic framework, hxl UiO-67. Both three-dimensional hcp UiO-67 and two-dimensional hxl UiO-67 can be delaminated to form metal-organic nanosheets. Delamination of hcp UiO-67 occurs through the cleavage of strong hafnium-carboxylate bonds and is effected under mild conditions, suggesting that defect-ordered MOFs could be a productive route to porous two-dimensional materials.

46 CFR 167.10-50 - Right of appeal.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Right of appeal. 167.10-50 Section 167.10-50 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Enforcement and Right of Appeal § 167.10-50 Right of appeal. Any person directly affected by a decision or...

46 CFR 167.65-25 - Steering gear tests.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 7 2013-10-01 2013-10-01 false Steering gear tests. 167.65-25 Section 167.65-25 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Special Operating Requirements § 167.65-25 Steering gear tests. On all nautical school ships making voyages of more than 48 hours' duration, the...

46 CFR 167.65-25 - Steering gear tests.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Steering gear tests. 167.65-25 Section 167.65-25 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Special Operating Requirements § 167.65-25 Steering gear tests. On all nautical school ships making voyages of more than 48 hours' duration, the...

14 CFR 125.167 - Extinguishing agent container compartment temperature.

Code of Federal Regulations, 2011 CFR

2011-01-01

... temperature. 125.167 Section 125.167 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF... Requirements § 125.167 Extinguishing agent container compartment temperature. Precautions must be taken to ensure that the extinguishing agent containers are installed in places where reasonable temperatures can...

14 CFR 125.167 - Extinguishing agent container compartment temperature.

Code of Federal Regulations, 2012 CFR

2012-01-01

... temperature. 125.167 Section 125.167 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF... Requirements § 125.167 Extinguishing agent container compartment temperature. Precautions must be taken to ensure that the extinguishing agent containers are installed in places where reasonable temperatures can...

14 CFR 125.167 - Extinguishing agent container compartment temperature.

Code of Federal Regulations, 2014 CFR

2014-01-01

... temperature. 125.167 Section 125.167 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF... Requirements § 125.167 Extinguishing agent container compartment temperature. Precautions must be taken to ensure that the extinguishing agent containers are installed in places where reasonable temperatures can...

14 CFR 125.167 - Extinguishing agent container compartment temperature.

Code of Federal Regulations, 2010 CFR

2010-01-01

... temperature. 125.167 Section 125.167 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF... Requirements § 125.167 Extinguishing agent container compartment temperature. Precautions must be taken to ensure that the extinguishing agent containers are installed in places where reasonable temperatures can...

14 CFR 125.167 - Extinguishing agent container compartment temperature.

Code of Federal Regulations, 2013 CFR

2013-01-01

... temperature. 125.167 Section 125.167 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF... Requirements § 125.167 Extinguishing agent container compartment temperature. Precautions must be taken to ensure that the extinguishing agent containers are installed in places where reasonable temperatures can...

20 CFR 655.167 - Document retention requirements.

Code of Federal Regulations, 2011 CFR

2011-04-01

... Section 655.167 Employees' Benefits EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process for Temporary Agricultural Employment in the United States (H-2A Workers) Labor Certification Determinations § 655.167 Document...

21 CFR 211.167 - Special testing requirements.

Code of Federal Regulations, 2012 CFR

2012-04-01

... 21 Food and Drugs 4 2012-04-01 2012-04-01 false Special testing requirements. 211.167 Section 211.167 Food and Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) DRUGS: GENERAL CURRENT GOOD MANUFACTURING PRACTICE FOR FINISHED PHARMACEUTICALS Laboratory Controls...

21 CFR 211.167 - Special testing requirements.

Code of Federal Regulations, 2014 CFR

2014-04-01

... 21 Food and Drugs 4 2014-04-01 2014-04-01 false Special testing requirements. 211.167 Section 211.167 Food and Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) DRUGS: GENERAL CURRENT GOOD MANUFACTURING PRACTICE FOR FINISHED PHARMACEUTICALS Laboratory Controls...

21 CFR 211.167 - Special testing requirements.

Code of Federal Regulations, 2013 CFR

2013-04-01

... 21 Food and Drugs 4 2013-04-01 2013-04-01 false Special testing requirements. 211.167 Section 211.167 Food and Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) DRUGS: GENERAL CURRENT GOOD MANUFACTURING PRACTICE FOR FINISHED PHARMACEUTICALS Laboratory Controls...

21 CFR 211.167 - Special testing requirements.

Code of Federal Regulations, 2011 CFR

2011-04-01

... 21 Food and Drugs 4 2011-04-01 2011-04-01 false Special testing requirements. 211.167 Section 211.167 Food and Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) DRUGS: GENERAL CURRENT GOOD MANUFACTURING PRACTICE FOR FINISHED PHARMACEUTICALS Laboratory Controls...

21 CFR 211.167 - Special testing requirements.

Code of Federal Regulations, 2010 CFR

2010-04-01

... 21 Food and Drugs 4 2010-04-01 2010-04-01 false Special testing requirements. 211.167 Section 211.167 Food and Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) DRUGS: GENERAL CURRENT GOOD MANUFACTURING PRACTICE FOR FINISHED PHARMACEUTICALS Laboratory Controls...

21 CFR 133.167 - Pasteurized blended cheese.

Code of Federal Regulations, 2010 CFR

2010-04-01

... 21 Food and Drugs 2 2010-04-01 2010-04-01 false Pasteurized blended cheese. 133.167 Section 133...) FOOD FOR HUMAN CONSUMPTION CHEESES AND RELATED CHEESE PRODUCTS Requirements for Specific Standardized Cheese and Related Products § 133.167 Pasteurized blended cheese. Pasteurized blended cheese conforms to...

21 CFR 133.167 - Pasteurized blended cheese.

Code of Federal Regulations, 2011 CFR

2011-04-01

... 21 Food and Drugs 2 2011-04-01 2011-04-01 false Pasteurized blended cheese. 133.167 Section 133...) FOOD FOR HUMAN CONSUMPTION CHEESES AND RELATED CHEESE PRODUCTS Requirements for Specific Standardized Cheese and Related Products § 133.167 Pasteurized blended cheese. Pasteurized blended cheese conforms to...

46 CFR 167.15-5 - Authority of marine inspectors.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 46 Shipping 7 2014-10-01 2014-10-01 false Authority of marine inspectors. 167.15-5 Section 167.15-5 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Inspections § 167.15-5 Authority of marine inspectors. Marine inspectors may at any time...

46 CFR 167.15-5 - Authority of marine inspectors.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 46 Shipping 7 2011-10-01 2011-10-01 false Authority of marine inspectors. 167.15-5 Section 167.15-5 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Inspections § 167.15-5 Authority of marine inspectors. Marine inspectors may at any time...

46 CFR 167.15-5 - Authority of marine inspectors.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 46 Shipping 7 2012-10-01 2012-10-01 false Authority of marine inspectors. 167.15-5 Section 167.15-5 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Inspections § 167.15-5 Authority of marine inspectors. Marine inspectors may at any time...

46 CFR 167.15-5 - Authority of marine inspectors.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 7 2013-10-01 2013-10-01 false Authority of marine inspectors. 167.15-5 Section 167.15-5 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Inspections § 167.15-5 Authority of marine inspectors. Marine inspectors may at any time...

46 CFR 167.15-5 - Authority of marine inspectors.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Authority of marine inspectors. 167.15-5 Section 167.15-5 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Inspections § 167.15-5 Authority of marine inspectors. Marine inspectors may at any time...

26 CFR 1.167(g)-1 - Basis for depreciation.

Code of Federal Regulations, 2012 CFR

2012-04-01

... 26 Internal Revenue 2 2012-04-01 2012-04-01 false Basis for depreciation. 1.167(g)-1 Section 1.167(g)-1 Internal Revenue INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY (CONTINUED) INCOME TAX (CONTINUED) INCOME TAXES (CONTINUED) Itemized Deductions for Individuals and Corporations § 1.167(g)-1 Basis...

26 CFR 1.167(g)-1 - Basis for depreciation.

Code of Federal Regulations, 2011 CFR

2011-04-01

... 26 Internal Revenue 2 2011-04-01 2011-04-01 false Basis for depreciation. 1.167(g)-1 Section 1.167(g)-1 Internal Revenue INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY (CONTINUED) INCOME TAX (CONTINUED) INCOME TAXES (CONTINUED) Itemized Deductions for Individuals and Corporations § 1.167(g)-1 Basis...

26 CFR 1.167(g)-1 - Basis for depreciation.

Code of Federal Regulations, 2014 CFR

2014-04-01

... 26 Internal Revenue 2 2014-04-01 2014-04-01 false Basis for depreciation. 1.167(g)-1 Section 1.167(g)-1 Internal Revenue INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY (CONTINUED) INCOME TAX (CONTINUED) INCOME TAXES (CONTINUED) Itemized Deductions for Individuals and Corporations § 1.167(g)-1 Basis...

26 CFR 1.167(g)-1 - Basis for depreciation.

Code of Federal Regulations, 2010 CFR

2010-04-01

... 26 Internal Revenue 2 2010-04-01 2010-04-01 false Basis for depreciation. 1.167(g)-1 Section 1.167(g)-1 Internal Revenue INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY (CONTINUED) INCOME TAX (CONTINUED) INCOME TAXES (CONTINUED) Itemized Deductions for Individuals and Corporations § 1.167(g)-1 Basis...

26 CFR 1.167(g)-1 - Basis for depreciation.

Code of Federal Regulations, 2013 CFR

2013-04-01

... 26 Internal Revenue 2 2013-04-01 2013-04-01 false Basis for depreciation. 1.167(g)-1 Section 1.167(g)-1 Internal Revenue INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY (CONTINUED) INCOME TAX (CONTINUED) INCOME TAXES (CONTINUED) Itemized Deductions for Individuals and Corporations § 1.167(g)-1 Basis...

33 CFR 167.15 - Modification of schemes.

Code of Federal Regulations, 2013 CFR

2013-07-01

... 33 Navigation and Navigable Waters 2 2013-07-01 2013-07-01 false Modification of schemes. 167.15...) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES General § 167.15 Modification of schemes. (a) A traffic separation scheme or precautionary area described in this part may be permanently...

33 CFR 167.15 - Modification of schemes.

Code of Federal Regulations, 2010 CFR

2010-07-01

... 33 Navigation and Navigable Waters 2 2010-07-01 2010-07-01 false Modification of schemes. 167.15...) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES General § 167.15 Modification of schemes. (a) A traffic separation scheme or precautionary area described in this Part may be permanently...

33 CFR 167.15 - Modification of schemes.

Code of Federal Regulations, 2011 CFR

2011-07-01

... 33 Navigation and Navigable Waters 2 2011-07-01 2011-07-01 false Modification of schemes. 167.15...) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES General § 167.15 Modification of schemes. (a) A traffic separation scheme or precautionary area described in this part may be permanently...

33 CFR 167.15 - Modification of schemes.

Code of Federal Regulations, 2012 CFR

2012-07-01

... 33 Navigation and Navigable Waters 2 2012-07-01 2012-07-01 false Modification of schemes. 167.15...) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES General § 167.15 Modification of schemes. (a) A traffic separation scheme or precautionary area described in this part may be permanently...

33 CFR 167.15 - Modification of schemes.

Code of Federal Regulations, 2014 CFR

2014-07-01

... 33 Navigation and Navigable Waters 2 2014-07-01 2014-07-01 false Modification of schemes. 167.15...) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES General § 167.15 Modification of schemes. (a) A traffic separation scheme or precautionary area described in this part may be permanently...

46 CFR 167.40-20 - Deep-sea sounding apparatus.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 46 Shipping 7 2014-10-01 2014-10-01 false Deep-sea sounding apparatus. 167.40-20 Section 167.40-20... SHIPS Certain Equipment Requirements § 167.40-20 Deep-sea sounding apparatus. Nautical school ships shall be equipped with an efficient or electronic deep-sea sounding apparatus. The electronic deep-sea...

46 CFR 167.40-20 - Deep-sea sounding apparatus.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 46 Shipping 7 2012-10-01 2012-10-01 false Deep-sea sounding apparatus. 167.40-20 Section 167.40-20... SHIPS Certain Equipment Requirements § 167.40-20 Deep-sea sounding apparatus. Nautical school ships shall be equipped with an efficient or electronic deep-sea sounding apparatus. The electronic deep-sea...

46 CFR 167.40-20 - Deep-sea sounding apparatus.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 7 2013-10-01 2013-10-01 false Deep-sea sounding apparatus. 167.40-20 Section 167.40-20... SHIPS Certain Equipment Requirements § 167.40-20 Deep-sea sounding apparatus. Nautical school ships shall be equipped with an efficient or electronic deep-sea sounding apparatus. The electronic deep-sea...

46 CFR 167.40-45 - Magnetic compass and gyrocompass.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Magnetic compass and gyrocompass. 167.40-45 Section 167... NAUTICAL SCHOOL SHIPS Certain Equipment Requirements § 167.40-45 Magnetic compass and gyrocompass. (a) All mechanically propelled vessels in ocean or coastwise service must be fitted with a magnetic compass. (b) All...

46 CFR 167.40-45 - Magnetic compass and gyrocompass.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 46 Shipping 7 2011-10-01 2011-10-01 false Magnetic compass and gyrocompass. 167.40-45 Section 167... NAUTICAL SCHOOL SHIPS Certain Equipment Requirements § 167.40-45 Magnetic compass and gyrocompass. (a) All mechanically propelled vessels in ocean or coastwise service must be fitted with a magnetic compass. (b) All...

46 CFR 167.40-20 - Deep-sea sounding apparatus.

Code of Federal Regulations, 2011 CFR

2011-10-01

... SHIPS Certain Equipment Requirements § 167.40-20 Deep-sea sounding apparatus. Nautical school ships shall be equipped with an efficient or electronic deep-sea sounding apparatus. The electronic deep-sea... 46 Shipping 7 2011-10-01 2011-10-01 false Deep-sea sounding apparatus. 167.40-20 Section 167.40-20...

46 CFR 167.40-20 - Deep-sea sounding apparatus.

Code of Federal Regulations, 2010 CFR

2010-10-01

... SHIPS Certain Equipment Requirements § 167.40-20 Deep-sea sounding apparatus. Nautical school ships shall be equipped with an efficient or electronic deep-sea sounding apparatus. The electronic deep-sea... 46 Shipping 7 2010-10-01 2010-10-01 false Deep-sea sounding apparatus. 167.40-20 Section 167.40-20...

25 CFR 167.14 - Movement of livestock.

Code of Federal Regulations, 2010 CFR

2010-04-01

... 25 Indians 1 2010-04-01 2010-04-01 false Movement of livestock. 167.14 Section 167.14 Indians... Movement of livestock. Annually, prior to the normal lamb buying season, the Central Grazing Committee... and the procedures and methods to be used in moving livestock to market. All movements of livestock...

46 CFR 167.43-15 - Shipboard stowage.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 46 Shipping 7 2014-10-01 2014-10-01 false Shipboard stowage. 167.43-15 Section 167.43-15 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS... separately from the regular stowage of approved life preservers. (b) The locations for the stowage of work...

46 CFR 167.43-15 - Shipboard stowage.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 46 Shipping 7 2012-10-01 2012-10-01 false Shipboard stowage. 167.43-15 Section 167.43-15 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS... separately from the regular stowage of approved life preservers. (b) The locations for the stowage of work...

46 CFR 167.43-15 - Shipboard stowage.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 46 Shipping 7 2011-10-01 2011-10-01 false Shipboard stowage. 167.43-15 Section 167.43-15 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS... separately from the regular stowage of approved life preservers. (b) The locations for the stowage of work...

46 CFR 167.43-15 - Shipboard stowage.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 7 2013-10-01 2013-10-01 false Shipboard stowage. 167.43-15 Section 167.43-15 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS... separately from the regular stowage of approved life preservers. (b) The locations for the stowage of work...

46 CFR 167.05-20 - Marine inspector or inspector.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 7 2013-10-01 2013-10-01 false Marine inspector or inspector. 167.05-20 Section 167.05... SCHOOL SHIPS Definitions § 167.05-20 Marine inspector or inspector. These terms mean any person from the... Officer in Charge, Marine Inspection, or any other person as may be designated for the performance of...

46 CFR 167.05-20 - Marine inspector or inspector.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 46 Shipping 7 2014-10-01 2014-10-01 false Marine inspector or inspector. 167.05-20 Section 167.05... SCHOOL SHIPS Definitions § 167.05-20 Marine inspector or inspector. These terms mean any person from the... Officer in Charge, Marine Inspection, or any other person as may be designated for the performance of...

46 CFR 167.05-20 - Marine inspector or inspector.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Marine inspector or inspector. 167.05-20 Section 167.05... SCHOOL SHIPS Definitions § 167.05-20 Marine inspector or inspector. These terms mean any person from the... Officer in Charge, Marine Inspection, or any other person as may be designated for the performance of...

46 CFR 167.05-20 - Marine inspector or inspector.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 46 Shipping 7 2012-10-01 2012-10-01 false Marine inspector or inspector. 167.05-20 Section 167.05... SCHOOL SHIPS Definitions § 167.05-20 Marine inspector or inspector. These terms mean any person from the... Officer in Charge, Marine Inspection, or any other person as may be designated for the performance of...

46 CFR 167.05-20 - Marine inspector or inspector.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 46 Shipping 7 2011-10-01 2011-10-01 false Marine inspector or inspector. 167.05-20 Section 167.05... SCHOOL SHIPS Definitions § 167.05-20 Marine inspector or inspector. These terms mean any person from the... Officer in Charge, Marine Inspection, or any other person as may be designated for the performance of...

46 CFR 167.65-35 - Use of auto pilot.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Use of auto pilot. 167.65-35 Section 167.65-35 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Special Operating Requirements § 167.65-35 Use of auto pilot. Except as provided in 33 CFR 164.15, when...

29 CFR 4.167 - Wage payments-medium of payment.

Code of Federal Regulations, 2014 CFR

2014-07-01

... 29 Labor 1 2014-07-01 2013-07-01 true Wage payments-medium of payment. 4.167 Section 4.167 Labor... Compliance with Compensation Standards § 4.167 Wage payments—medium of payment. The wage payment requirements... the period in which it was earned, are not proper mediums of payment under the Act. If, as is...

29 CFR 4.167 - Wage payments-medium of payment.

Code of Federal Regulations, 2013 CFR

2013-07-01

... 29 Labor 1 2013-07-01 2013-07-01 false Wage payments-medium of payment. 4.167 Section 4.167 Labor... Compliance with Compensation Standards § 4.167 Wage payments—medium of payment. The wage payment requirements... the period in which it was earned, are not proper mediums of payment under the Act. If, as is...

29 CFR 4.167 - Wage payments-medium of payment.

Code of Federal Regulations, 2012 CFR

2012-07-01

... 29 Labor 1 2012-07-01 2012-07-01 false Wage payments-medium of payment. 4.167 Section 4.167 Labor... Compliance with Compensation Standards § 4.167 Wage payments—medium of payment. The wage payment requirements... the period in which it was earned, are not proper mediums of payment under the Act. If, as is...

29 CFR 4.167 - Wage payments-medium of payment.

Code of Federal Regulations, 2011 CFR

2011-07-01

... 29 Labor 1 2011-07-01 2011-07-01 false Wage payments-medium of payment. 4.167 Section 4.167 Labor... Compliance with Compensation Standards § 4.167 Wage payments—medium of payment. The wage payment requirements... the period in which it was earned, are not proper mediums of payment under the Act. If, as is...

29 CFR 4.167 - Wage payments-medium of payment.

Code of Federal Regulations, 2010 CFR

2010-07-01

... 29 Labor 1 2010-07-01 2010-07-01 true Wage payments-medium of payment. 4.167 Section 4.167 Labor... Compliance with Compensation Standards § 4.167 Wage payments—medium of payment. The wage payment requirements... the period in which it was earned, are not proper mediums of payment under the Act. If, as is...

46 CFR 167.65-35 - Use of auto pilot.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 46 Shipping 7 2011-10-01 2011-10-01 false Use of auto pilot. 167.65-35 Section 167.65-35 Shipping... Special Operating Requirements § 167.65-35 Use of auto pilot. Except as provided in 33 CFR 164.15, when the automatic pilot is used in— (a) Areas of high traffic density; (b) Conditions of restricted...

21 CFR 133.167 - Pasteurized blended cheese.

Code of Federal Regulations, 2013 CFR

2013-04-01

... 21 Food and Drugs 2 2013-04-01 2013-04-01 false Pasteurized blended cheese. 133.167 Section 133... Cheese and Related Products § 133.167 Pasteurized blended cheese. Pasteurized blended cheese conforms to... ingredients, prescribed for pasteurized process cheese by § 133.169, except that: (a) In mixtures of two or...

46 CFR 167.40-5 - Alarm bells.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 46 Shipping 7 2012-10-01 2012-10-01 false Alarm bells. 167.40-5 Section 167.40-5 Shipping COAST... bells so located as to warn all occupants. The system shall operate from a continuous source of electric energy capable of supplying the system for a period of at least 8 hours without being dependent upon the...

46 CFR 167.40-5 - Alarm bells.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 7 2013-10-01 2013-10-01 false Alarm bells. 167.40-5 Section 167.40-5 Shipping COAST... bells so located as to warn all occupants. The system shall operate from a continuous source of electric energy capable of supplying the system for a period of at least 8 hours without being dependent upon the...

46 CFR 167.40-5 - Alarm bells.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 46 Shipping 7 2014-10-01 2014-10-01 false Alarm bells. 167.40-5 Section 167.40-5 Shipping COAST... bells so located as to warn all occupants. The system shall operate from a continuous source of electric energy capable of supplying the system for a period of at least 8 hours without being dependent upon the...

50 CFR 648.167 - Bluefish framework adjustment to management measures.

Code of Federal Regulations, 2011 CFR

2011-10-01

... UNITED STATES Management Measures for the Atlantic Bluefish Fishery § 648.167 Bluefish framework... 50 Wildlife and Fisheries 10 2011-10-01 2011-10-01 false Bluefish framework adjustment to management measures. 648.167 Section 648.167 Wildlife and Fisheries FISHERY CONSERVATION AND MANAGEMENT...

50 CFR 648.167 - Bluefish framework adjustment to management measures.

Code of Federal Regulations, 2013 CFR

2013-10-01

... UNITED STATES Management Measures for the Atlantic Bluefish Fishery § 648.167 Bluefish framework... 50 Wildlife and Fisheries 12 2013-10-01 2013-10-01 false Bluefish framework adjustment to management measures. 648.167 Section 648.167 Wildlife and Fisheries FISHERY CONSERVATION AND MANAGEMENT...

50 CFR 648.167 - Bluefish framework adjustment to management measures.

Code of Federal Regulations, 2012 CFR

2012-10-01

... UNITED STATES Management Measures for the Atlantic Bluefish Fishery § 648.167 Bluefish framework... 50 Wildlife and Fisheries 12 2012-10-01 2012-10-01 false Bluefish framework adjustment to management measures. 648.167 Section 648.167 Wildlife and Fisheries FISHERY CONSERVATION AND MANAGEMENT...

50 CFR 648.167 - Bluefish framework adjustment to management measures.

Code of Federal Regulations, 2014 CFR

2014-10-01

... UNITED STATES Management Measures for the Atlantic Bluefish Fishery § 648.167 Bluefish framework... 50 Wildlife and Fisheries 12 2014-10-01 2014-10-01 false Bluefish framework adjustment to management measures. 648.167 Section 648.167 Wildlife and Fisheries FISHERY CONSERVATION AND MANAGEMENT...

33 CFR 167.1701 - In Prince William Sound: Precautionary areas.

Code of Federal Regulations, 2011 CFR

2011-07-01

...: Precautionary areas. 167.1701 Section 167.1701 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF... Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.1701 In Prince William Sound: Precautionary areas. (a) Cape Hinchinbrook. A precautionary area is established and is bounded by a line...

33 CFR 167.1701 - In Prince William Sound: Precautionary areas.

Code of Federal Regulations, 2013 CFR

2013-07-01

...: Precautionary areas. 167.1701 Section 167.1701 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF... Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.1701 In Prince William Sound: Precautionary areas. (a) Cape Hinchinbrook. A precautionary area is established and is bounded by a line...

33 CFR 167.1701 - In Prince William Sound: Precautionary areas.

Code of Federal Regulations, 2014 CFR

2014-07-01

...: Precautionary areas. 167.1701 Section 167.1701 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF... Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.1701 In Prince William Sound: Precautionary areas. (a) Cape Hinchinbrook. A precautionary area is established and is bounded by a line...

33 CFR 167.1701 - In Prince William Sound: Precautionary areas.

Code of Federal Regulations, 2012 CFR

2012-07-01

...: Precautionary areas. 167.1701 Section 167.1701 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF... Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.1701 In Prince William Sound: Precautionary areas. (a) Cape Hinchinbrook. A precautionary area is established and is bounded by a line...

26 CFR 1.167(b)-0 - Methods of computing depreciation.

Code of Federal Regulations, 2014 CFR

2014-04-01

... 26 Internal Revenue 2 2014-04-01 2014-04-01 false Methods of computing depreciation. 1.167(b)-0....167(b)-0 Methods of computing depreciation. (a) In general. Any reasonable and consistently applied method of computing depreciation may be used or continued in use under section 167. Regardless of the...

46 CFR 167.05-30 - Officer in Charge, Marine Inspection.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 46 Shipping 7 2011-10-01 2011-10-01 false Officer in Charge, Marine Inspection. 167.05-30 Section 167.05-30 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Definitions § 167.05-30 Officer in Charge, Marine Inspection. This term means any...

46 CFR 167.05-30 - Officer in Charge, Marine Inspection.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 7 2013-10-01 2013-10-01 false Officer in Charge, Marine Inspection. 167.05-30 Section 167.05-30 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Definitions § 167.05-30 Officer in Charge, Marine Inspection. This term means any...

46 CFR 167.05-30 - Officer in Charge, Marine Inspection.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 46 Shipping 7 2012-10-01 2012-10-01 false Officer in Charge, Marine Inspection. 167.05-30 Section 167.05-30 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Definitions § 167.05-30 Officer in Charge, Marine Inspection. This term means any...

46 CFR 167.05-30 - Officer in Charge, Marine Inspection.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Officer in Charge, Marine Inspection. 167.05-30 Section 167.05-30 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Definitions § 167.05-30 Officer in Charge, Marine Inspection. This term means any...

46 CFR 167.05-30 - Officer in Charge, Marine Inspection.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 46 Shipping 7 2014-10-01 2014-10-01 false Officer in Charge, Marine Inspection. 167.05-30 Section 167.05-30 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Definitions § 167.05-30 Officer in Charge, Marine Inspection. This term means any...

26 CFR 1.167(b)-0 - Methods of computing depreciation.

Code of Federal Regulations, 2010 CFR

2010-04-01

... 26 Internal Revenue 2 2010-04-01 2010-04-01 false Methods of computing depreciation. 1.167(b)-0....167(b)-0 Methods of computing depreciation. (a) In general. Any reasonable and consistently applied method of computing depreciation may be used or continued in use under section 167. Regardless of the...

9 CFR 381.167 - Other poultry dishes and specialty items.

Code of Federal Regulations, 2010 CFR

2010-01-01

... 9 Animals and Animal Products 2 2010-01-01 2010-01-01 false Other poultry dishes and specialty items. 381.167 Section 381.167 Animals and Animal Products FOOD SAFETY AND INSPECTION SERVICE... Standards of Identity or Composition § 381.167 Other poultry dishes and specialty items. Poultry dishes and...

9 CFR 381.167 - Other poultry dishes and specialty items.

Code of Federal Regulations, 2011 CFR

2011-01-01

... 9 Animals and Animal Products 2 2011-01-01 2011-01-01 false Other poultry dishes and specialty items. 381.167 Section 381.167 Animals and Animal Products FOOD SAFETY AND INSPECTION SERVICE... Standards of Identity or Composition § 381.167 Other poultry dishes and specialty items. Poultry dishes and...

46 CFR 167.15-20 - Inspections of nautical school ships.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 46 Shipping 7 2012-10-01 2012-10-01 false Inspections of nautical school ships. 167.15-20 Section 167.15-20 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Inspections § 167.15-20 Inspections of nautical school ships. (a) At each annual...

46 CFR 167.15-20 - Inspections of nautical school ships.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 46 Shipping 7 2014-10-01 2014-10-01 false Inspections of nautical school ships. 167.15-20 Section 167.15-20 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Inspections § 167.15-20 Inspections of nautical school ships. (a) At each annual...

46 CFR 167.15-20 - Inspections of nautical school ships.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 7 2013-10-01 2013-10-01 false Inspections of nautical school ships. 167.15-20 Section 167.15-20 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Inspections § 167.15-20 Inspections of nautical school ships. (a) At each annual...

46 CFR 167.15-20 - Inspections of nautical school ships.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Inspections of nautical school ships. 167.15-20 Section 167.15-20 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Inspections § 167.15-20 Inspections of nautical school ships. (a) At each annual...

46 CFR 167.15-20 - Inspections of nautical school ships.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 46 Shipping 7 2011-10-01 2011-10-01 false Inspections of nautical school ships. 167.15-20 Section 167.15-20 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Inspections § 167.15-20 Inspections of nautical school ships. (a) At each annual...

As-Received, Ozone Cleaned and Ar+ Sputtered Surfaces of Hafnium Oxide Grown by Atomic Layer Deposition and Studied by XPS

DOE Office of Scientific and Technical Information (OSTI.GOV)

Engelhard, Mark H.; Herman, Jacob A.; Wallace, Robert

2012-06-27

In this study, X-ray photoelectron spectroscopy (XPS) characterization was performed on 47 nm thick hafnium oxide (HfO{sub 2}) films grown by atomic layer deposition using TEMA-Hf/H{sub 2}O at 250 C substrate temperature. HfO{sub 2} is currently being studied as a possible replacement for Silicon Oxide (SiO{sub 2}) as a gate dielectric in electronics transistors. XPS spectra were collected on a Physical Electronics Quantum 2000 Scanning ESCA Microprobe using a monochromatic Al K{sub a} X-ray (1486.7 eV) excitation source. The sample was analyzed under the following conditions: as received, after UV irradiation for five minutes, and after sputter cleaning with 2more » kV Ar{sup +} ions for 180 seconds. Survey scans showed carbon, oxygen, and hafnium as the major species in the film, while the only minor species of argon and carbide was detected after sputtering. Adventitious carbon initially composed approximately 18.6 AT% of the surface, but after UV cleaning it was reduced to 2.4 AT%. This demonstrated that that the majority of carbon was due to adventitious carbon. However, after 2 kV Ar{sup +} sputtering there was still only trace amounts of carbon at {approx}1 AT%, Some of this trace carbon is now in the form of a carbide due to the interaction with Ar{sup +} used for sputter cleaning. Furthermore, the stoiciometric ratio of oxygen and hafnium is consistent with a high quality HfO{sub 2} film.« less

25 CFR 167.17 - Construction near permanent livestock water developments.

Code of Federal Regulations, 2010 CFR

2010-04-01

... 25 Indians 1 2010-04-01 2010-04-01 false Construction near permanent livestock water developments. 167.17 Section 167.17 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR LAND AND WATER NAVAJO GRAZING REGULATIONS § 167.17 Construction near permanent livestock water developments. (a) The District Grazing Committee shall regulate the...

25 CFR 167.17 - Construction near permanent livestock water developments.

Code of Federal Regulations, 2011 CFR

2011-04-01

... 25 Indians 1 2011-04-01 2011-04-01 false Construction near permanent livestock water developments. 167.17 Section 167.17 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR LAND AND WATER NAVAJO GRAZING REGULATIONS § 167.17 Construction near permanent livestock water developments. (a) The District Grazing Committee shall regulate the...

25 CFR 167.17 - Construction near permanent livestock water developments.

Code of Federal Regulations, 2012 CFR

2012-04-01

... 25 Indians 1 2012-04-01 2011-04-01 true Construction near permanent livestock water developments. 167.17 Section 167.17 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR LAND AND WATER NAVAJO GRAZING REGULATIONS § 167.17 Construction near permanent livestock water developments. (a) The District Grazing Committee shall regulate the...

46 CFR 167.43-5 - Approved types of work vests.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 46 Shipping 7 2011-10-01 2011-10-01 false Approved types of work vests. 167.43-5 Section 167.43-5 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Work Vests § 167.43-5 Approved types of work vests. (a) Each buoyant work vest carried under the...

46 CFR 167.43-5 - Approved types of work vests.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 7 2013-10-01 2013-10-01 false Approved types of work vests. 167.43-5 Section 167.43-5 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Work Vests § 167.43-5 Approved types of work vests. (a) Each buoyant work vest carried under the...

46 CFR 167.43-5 - Approved types of work vests.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 46 Shipping 7 2014-10-01 2014-10-01 false Approved types of work vests. 167.43-5 Section 167.43-5 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Work Vests § 167.43-5 Approved types of work vests. (a) Each buoyant work vest carried under the...

46 CFR 167.43-5 - Approved types of work vests.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Approved types of work vests. 167.43-5 Section 167.43-5 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Work Vests § 167.43-5 Approved types of work vests. (a) Each buoyant work vest carried under the...

46 CFR 167.43-5 - Approved types of work vests.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 46 Shipping 7 2012-10-01 2012-10-01 false Approved types of work vests. 167.43-5 Section 167.43-5 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Work Vests § 167.43-5 Approved types of work vests. (a) Each buoyant work vest carried under the...

Hafnium, Tungsten, and the Differentiation of the Moon and Mars

NASA Astrophysics Data System (ADS)

Taylor, G. J.

2003-11-01

Measurements of the isotopic composition of tungsten (W) show that lunar samples and Martian meteorites have an excess of W-182. This was produced by the decay of hafnium-182 (Hf-182), an isotope with a half-life of only 9 million years. Because tungsten dissolves enthusiastically in metallic iron and hafnium does not, it is possible to use the abundance of W-182 in rocks formed by melting of the silicate mantle as an indicator of the timing of core formation. However, the concentrations of Hf and W in rocky material can be affected by melting and crystallization, so we also need to know how each element concentrates in common minerals in the mantles of the Moon and Mars. The behavior of Hf has been studied experimentally, but this is not true of W. Kevin Righter (Johnson Space Center) and Charles (Chip) Shearer (University of New Mexico) have filled this knowledge void by determining how W partitions between olivine, high- and low-calcium pyroxene, plagioclase feldspar, and garnet. The new data allowed Righter and Shearer to reexamine available measurements of the isotopic composition of W in lunar samples and Martian meteorites. Their analysis suggests that the lunar magma ocean, a huge magma system that surrounded the Moon when it formed, solidified in less than 30 million years. This is shorter than many theoretical calculations suggest. Pathfinder data and chemical data from Martian meteorites suggest that the core of Mars makes up about 20% of the planet. Core formation and subsequent melting of a region of the mantle containing garnet and high-calcium pyroxene took place less than 20-30 million years after the formation of the first solids in the solar system. This type of research shows the importance of measurements of isotopic compositions of radioactive elements or their decay products and laboratory experiments on the geochemical behavior of those elements.

Study of bulk Hafnium oxide (HfO2) under compression

NASA Astrophysics Data System (ADS)

Pathak, Santanu; Mandal, Guruprasad; Das, Parnika

2018-04-01

Hafnium oxide (HfO2) is a technologically important material. This material has K-value of 25 and band gap 5.8 eV. A k value of 25-30 is preferred for a gate dielectric [1]. As it shows good insulating and capacitive properties, HfO2 is being considered as a replacement to SiO2 in microelectronic devices as gate dielectrics. On the other hand because of toughening mechanism due to phase transformation induced by stress field observed in these oxides, HFO2 has been a material of investigations in various configurations for a very long time. However the controversies about phase transition of HfO2 under pressure still exists. High quality synchrotron radiation has been used to study the structural phase transition of HfO2 under pressure.

34 CFR 303.167 - Individualized family service plans.

Code of Federal Regulations, 2011 CFR

2011-07-01

... 34 Education 2 2011-07-01 2010-07-01 true Individualized family service plans. 303.167 Section 303... Requirements § 303.167 Individualized family service plans. Each application must include— (a) An assurance that a current IFSP is in effect and implemented for each eligible child and the child's family; (b...

34 CFR 303.167 - Individualized family service plans.

Code of Federal Regulations, 2010 CFR

2010-07-01

... 34 Education 2 2010-07-01 2010-07-01 false Individualized family service plans. 303.167 Section...-Application Requirements § 303.167 Individualized family service plans. Each application must include— (a) An assurance that a current IFSP is in effect and implemented for each eligible child and the child's family...

33 CFR 167.1 - Purpose.

Code of Federal Regulations, 2010 CFR

2010-07-01

... SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES General § 167.1 Purpose. The purpose of the regulations in this part is to establish and designate traffic separation schemes and precautionary areas to provide...

49 CFR 572.167 - Test conditions and instrumentation.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 49 Transportation 7 2014-10-01 2014-10-01 false Test conditions and instrumentation. 572.167... Hybrid III Six-Year-Old Weighted Child Test Dummy § 572.167 Test conditions and instrumentation. The test conditions and instrumentation are as specified in 49 CFR 572.127 (Subpart N). Pt. 572, Subpt. S, Figs...

49 CFR 572.167 - Test conditions and instrumentation.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 49 Transportation 7 2013-10-01 2013-10-01 false Test conditions and instrumentation. 572.167... Hybrid III Six-Year-Old Weighted Child Test Dummy § 572.167 Test conditions and instrumentation. The test conditions and instrumentation are as specified in 49 CFR 572.127 (Subpart N). Pt. 572, Subpt. S, Figs...

49 CFR 572.167 - Test conditions and instrumentation.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 49 Transportation 7 2010-10-01 2010-10-01 false Test conditions and instrumentation. 572.167... Hybrid III Six-Year-Old Weighted Child Test Dummy § 572.167 Test conditions and instrumentation. The test conditions and instrumentation are as specified in 49 CFR 572.127 (Subpart N). Pt. 572, Subpt. S, Figs...

49 CFR 572.167 - Test conditions and instrumentation.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 49 Transportation 7 2011-10-01 2011-10-01 false Test conditions and instrumentation. 572.167... Hybrid III Six-Year-Old Weighted Child Test Dummy § 572.167 Test conditions and instrumentation. The test conditions and instrumentation are as specified in 49 CFR 572.127 (Subpart N). Pt. 572, Subpt. S, Figs...

49 CFR 572.167 - Test conditions and instrumentation.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 49 Transportation 7 2012-10-01 2012-10-01 false Test conditions and instrumentation. 572.167... Hybrid III Six-Year-Old Weighted Child Test Dummy § 572.167 Test conditions and instrumentation. The test conditions and instrumentation are as specified in 49 CFR 572.127 (Subpart N). Pt. 572, Subpt. S, Figs...

33 CFR 167.400 - Off San Francisco Traffic Separation Scheme: General.

Code of Federal Regulations, 2013 CFR

2013-07-01

... Separation Scheme: General. 167.400 Section 167.400 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.400 Off San...

33 CFR 167.400 - Off San Francisco Traffic Separation Scheme: General.

Code of Federal Regulations, 2011 CFR

2011-07-01

... Separation Scheme: General. 167.400 Section 167.400 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.400 Off San...

33 CFR 167.400 - Off San Francisco Traffic Separation Scheme: General.

Code of Federal Regulations, 2010 CFR

2010-07-01

... Separation Scheme: General. 167.400 Section 167.400 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.400 Off San...

33 CFR 167.400 - Off San Francisco Traffic Separation Scheme: General.

Code of Federal Regulations, 2014 CFR

2014-07-01

... Separation Scheme: General. 167.400 Section 167.400 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.400 Off San...

33 CFR 167.400 - Off San Francisco Traffic Separation Scheme: General.

Code of Federal Regulations, 2012 CFR

2012-07-01

... Separation Scheme: General. 167.400 Section 167.400 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.400 Off San...

33 CFR 167.5 - Definitions.

Code of Federal Regulations, 2010 CFR

2010-07-01

... SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES General § 167.5 Definitions. (a) Area to be avoided means a... certain classes of ships. (b) Traffic separation scheme (TSS) means a designated routing measure which is...

33 CFR 167.150 - Off New York Traffic Separation Scheme: General.

Code of Federal Regulations, 2010 CFR

2010-07-01

... Scheme: General. 167.150 Section 167.150 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.150 Off New York Traffic...

33 CFR 167.150 - Off New York Traffic Separation Scheme: General.

Code of Federal Regulations, 2011 CFR

2011-07-01

... Scheme: General. 167.150 Section 167.150 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.150 Off New York Traffic...

33 CFR 167.150 - Off New York Traffic Separation Scheme: General.

Code of Federal Regulations, 2012 CFR

2012-07-01

... Scheme: General. 167.150 Section 167.150 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.150 Off New York Traffic...

33 CFR 167.150 - Off New York Traffic Separation Scheme: General.

Code of Federal Regulations, 2013 CFR

2013-07-01

... Scheme: General. 167.150 Section 167.150 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.150 Off New York Traffic...

33 CFR 167.150 - Off New York Traffic Separation Scheme: General.

Code of Federal Regulations, 2014 CFR

2014-07-01

... Scheme: General. 167.150 Section 167.150 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.150 Off New York Traffic...

Multimode resistive switching in nanoscale hafnium oxide stack as studied by atomic force microscopy

DOE Office of Scientific and Technical Information (OSTI.GOV)

Hou, Y., E-mail: houyi@pku.edu.cn, E-mail: lfliu@pku.edu.cn; IMEC, Kapeldreef 75, B-3001 Heverlee; Department of Physics and Astronomy, KU Leuven, Celestijnenlaan 200D, B-3001 Heverlee

2016-07-11

The nanoscale resistive switching in hafnium oxide stack is investigated by the conductive atomic force microscopy (C-AFM). The initial oxide stack is insulating and electrical stress from the C-AFM tip induces nanometric conductive filaments. Multimode resistive switching can be observed in consecutive operation cycles at one spot. The different modes are interpreted in the framework of a low defect quantum point contact theory. The model implies that the optimization of the conductive filament active region is crucial for the future application of nanoscale resistive switching devices.

Composition effects on mechanical properties of tungsten-rhenium-hafnium-carbon alloys

NASA Technical Reports Server (NTRS)

Witzke, W. R.

1973-01-01

The mechanical properties of rod and sheet fabricated from arc melted W-4Re-Hf-C alloys containing up to about 0.8 mol percent hafnium carbide (HfC) were evaluated in the as-worked condition. The DBTT's of electropolished bend and tensile specimens were independent of HfC content in this range but dependent on excess Hf or C above that required for stoichiometric HfC. Low temperature ductility was a maximum at Hf contents slightly in excess of stoichiometric. Variations in high temperature strength were also dependent on excess Hf and C. Maximum creep strengthening also occurred at Hf contents in excess of stoichiometric. Analysis of extracted second phase particles indicated that creep strength was reduced by increasing WC content in the HfC particles.

40 CFR 161.167 - Discussion of formation of impurities.

Code of Federal Regulations, 2013 CFR

2013-07-01

... 40 Protection of Environment 25 2013-07-01 2013-07-01 false Discussion of formation of impurities. 161.167 Section 161.167 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PESTICIDE PROGRAMS DATA REQUIREMENTS FOR REGISTRATION OF ANTIMICROBIAL PESTICIDES Product Chemistry Data...

46 CFR 167.43-25 - Additional requirements for hybrid work vests.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 46 Shipping 7 2014-10-01 2014-10-01 false Additional requirements for hybrid work vests. 167.43-25 Section 167.43-25 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Work Vests § 167.43-25 Additional requirements for hybrid work vests. (a) In...

46 CFR 167.43-25 - Additional requirements for hybrid work vests.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 46 Shipping 7 2012-10-01 2012-10-01 false Additional requirements for hybrid work vests. 167.43-25 Section 167.43-25 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Work Vests § 167.43-25 Additional requirements for hybrid work vests. (a) In...

46 CFR 167.43-25 - Additional requirements for hybrid work vests.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 7 2013-10-01 2013-10-01 false Additional requirements for hybrid work vests. 167.43-25 Section 167.43-25 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Work Vests § 167.43-25 Additional requirements for hybrid work vests. (a) In...

46 CFR 167.43-25 - Additional requirements for hybrid work vests.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Additional requirements for hybrid work vests. 167.43-25 Section 167.43-25 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Work Vests § 167.43-25 Additional requirements for hybrid work vests. (a) In...

46 CFR 167.43-25 - Additional requirements for hybrid work vests.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 46 Shipping 7 2011-10-01 2011-10-01 false Additional requirements for hybrid work vests. 167.43-25 Section 167.43-25 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Work Vests § 167.43-25 Additional requirements for hybrid work vests. (a) In...

46 CFR 167.45-45 - Carbon dioxide fire extinguishing system requirements.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 46 Shipping 7 2012-10-01 2012-10-01 false Carbon dioxide fire extinguishing system requirements. 167.45-45 Section 167.45-45 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Special Firefighting and Fire Prevention Requirements § 167.45-45 Carbon dioxide fire extinguishing system...

46 CFR 167.45-45 - Carbon dioxide fire extinguishing system requirements.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 7 2013-10-01 2013-10-01 false Carbon dioxide fire extinguishing system requirements. 167.45-45 Section 167.45-45 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Special Firefighting and Fire Prevention Requirements § 167.45-45 Carbon dioxide fire extinguishing system...

46 CFR 167.45-45 - Carbon dioxide fire extinguishing system requirements.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 46 Shipping 7 2014-10-01 2014-10-01 false Carbon dioxide fire extinguishing system requirements. 167.45-45 Section 167.45-45 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Special Firefighting and Fire Prevention Requirements § 167.45-45 Carbon dioxide fire extinguishing system...

49 CFR 1.67 - Delegations to Maritime Subsidy Board.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 49 Transportation 1 2010-10-01 2010-10-01 false Delegations to Maritime Subsidy Board. 1.67... POWERS AND DUTIES Delegations § 1.67 Delegations to Maritime Subsidy Board. (a) The Maritime Subsidy..., by the Secretary or an Assistant Secretary of the Maritime Subsidy Board. (b) The Maritime Subsidy...

46 CFR 167.45-50 - Foam smothering system requirements.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 167.45-50 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Special Firefighting and Fire Prevention Requirements § 167.45-50 Foam smothering... deep in not more than 3 minutes. The arrangement of piping shall be such as to give a uniform...

46 CFR 167.45-50 - Foam smothering system requirements.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 167.45-50 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Special Firefighting and Fire Prevention Requirements § 167.45-50 Foam smothering... deep in not more than 3 minutes. The arrangement of piping shall be such as to give a uniform...

46 CFR 167.45-50 - Foam smothering system requirements.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 167.45-50 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Special Firefighting and Fire Prevention Requirements § 167.45-50 Foam smothering... deep in not more than 3 minutes. The arrangement of piping shall be such as to give a uniform...

46 CFR 167.45-50 - Foam smothering system requirements.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 167.45-50 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Special Firefighting and Fire Prevention Requirements § 167.45-50 Foam smothering... deep in not more than 3 minutes. The arrangement of piping shall be such as to give a uniform...

46 CFR 167.45-50 - Foam smothering system requirements.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 167.45-50 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Special Firefighting and Fire Prevention Requirements § 167.45-50 Foam smothering... deep in not more than 3 minutes. The arrangement of piping shall be such as to give a uniform...

33 CFR 167.170 - Off Delaware Bay Approach Traffic Separation Scheme: General.

Code of Federal Regulations, 2012 CFR

2012-07-01

... Separation Scheme: General. 167.170 Section 167.170 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.170 Off Delaware...

33 CFR 167.170 - Off Delaware Bay Approach Traffic Separation Scheme: General.

Code of Federal Regulations, 2010 CFR

2010-07-01

... Separation Scheme: General. 167.170 Section 167.170 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.170 Off Delaware...

33 CFR 167.170 - Off Delaware Bay Approach Traffic Separation Scheme: General.

Code of Federal Regulations, 2014 CFR

2014-07-01

... Separation Scheme: General. 167.170 Section 167.170 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.170 Off Delaware...

33 CFR 167.170 - Off Delaware Bay Approach Traffic Separation Scheme: General.

Code of Federal Regulations, 2013 CFR

2013-07-01

... Separation Scheme: General. 167.170 Section 167.170 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.170 Off Delaware...

33 CFR 167.170 - Off Delaware Bay Approach Traffic Separation Scheme: General.

Code of Federal Regulations, 2011 CFR

2011-07-01

... Separation Scheme: General. 167.170 Section 167.170 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.170 Off Delaware...

26 CFR 1.167(b)-2 - Declining balance method.

Code of Federal Regulations, 2010 CFR

2010-04-01

... 26 Internal Revenue 2 2010-04-01 2010-04-01 false Declining balance method. 1.167(b)-2 Section 1... Declining balance method. (a) Application of method. Under the declining balance method a uniform rate is... declining balance rate may be determined without resort to formula. Such rate determined under section 167(b...

26 CFR 1.167(b)-2 - Declining balance method.

Code of Federal Regulations, 2011 CFR

2011-04-01

... 26 Internal Revenue 2 2011-04-01 2011-04-01 false Declining balance method. 1.167(b)-2 Section 1... Declining balance method. (a) Application of method. Under the declining balance method a uniform rate is... declining balance rate may be determined without resort to formula. Such rate determined under section 167(b...

14 CFR 61.167 - Privileges.

Code of Federal Regulations, 2011 CFR

2011-01-01

... training record of the person to whom training has been given; (2) In flight simulators, and flight... debriefings, an airline transport pilot may not instruct in aircraft, flight simulators, and flight training... CERTIFICATION: PILOTS, FLIGHT INSTRUCTORS, AND GROUND INSTRUCTORS Airline Transport Pilots § 61.167 Privileges...

14 CFR 61.167 - Privileges.

Code of Federal Regulations, 2012 CFR

2012-01-01

... training record of the person to whom training has been given; (2) In flight simulators, and flight... debriefings, an airline transport pilot may not instruct in aircraft, flight simulators, and flight training... CERTIFICATION: PILOTS, FLIGHT INSTRUCTORS, AND GROUND INSTRUCTORS Airline Transport Pilots § 61.167 Privileges...

14 CFR 61.167 - Privileges.

Code of Federal Regulations, 2013 CFR

2013-01-01

... training record of the person to whom training has been given; (2) In flight simulators, and flight... debriefings, an airline transport pilot may not instruct in aircraft, flight simulators, and flight training... CERTIFICATION: PILOTS, FLIGHT INSTRUCTORS, AND GROUND INSTRUCTORS Airline Transport Pilots § 61.167 Privileges...

21 CFR 556.167 - Colistimethate.

Code of Federal Regulations, 2014 CFR

2014-04-01

... Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS TOLERANCES FOR RESIDUES OF NEW ANIMAL DRUGS IN FOOD Specific Tolerances for Residues of New Animal Drugs § 556.167 Colistimethate. A tolerance for residues of colistimethate in the...

21 CFR 556.167 - Colistimethate.

Code of Federal Regulations, 2010 CFR

2010-04-01

... Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS TOLERANCES FOR RESIDUES OF NEW ANIMAL DRUGS IN FOOD Specific Tolerances for Residues of New Animal Drugs § 556.167 Colistimethate. A tolerance for residues of colistimethate in the...

21 CFR 556.167 - Colistimethate.

Code of Federal Regulations, 2013 CFR

2013-04-01

... Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS TOLERANCES FOR RESIDUES OF NEW ANIMAL DRUGS IN FOOD Specific Tolerances for Residues of New Animal Drugs § 556.167 Colistimethate. A tolerance for residues of colistimethate in the...

21 CFR 556.167 - Colistimethate.

Code of Federal Regulations, 2012 CFR

2012-04-01

... Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS TOLERANCES FOR RESIDUES OF NEW ANIMAL DRUGS IN FOOD Specific Tolerances for Residues of New Animal Drugs § 556.167 Colistimethate. A tolerance for residues of colistimethate in the...

21 CFR 556.167 - Colistimethate.

Code of Federal Regulations, 2011 CFR

2011-04-01

... Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS TOLERANCES FOR RESIDUES OF NEW ANIMAL DRUGS IN FOOD Specific Tolerances for Residues of New Animal Drugs § 556.167 Colistimethate. A tolerance for residues of colistimethate in the...

26 CFR 1.167(b)-1 - Straight line method.

Code of Federal Regulations, 2014 CFR

2014-04-01

... 26 Internal Revenue 2 2014-04-01 2014-04-01 false Straight line method. 1.167(b)-1 Section 1.167(b... Straight line method. (a) In general. Under the straight line method the cost or other basis of the... may be reduced to a percentage or fraction. The straight line method may be used in determining a...

26 CFR 1.167(e)-1 - Change in method.

Code of Federal Regulations, 2014 CFR

2014-04-01

... 26 Internal Revenue 2 2014-04-01 2014-04-01 false Change in method. 1.167(e)-1 Section 1.167(e)-1... method. (a) In general. (1) Any change in the method of computing the depreciation allowances with respect to a particular account (other than a change in method permitted or required by reason of the...

26 CFR 1.167(a)-1 - Depreciation in general.

Code of Federal Regulations, 2012 CFR

2012-04-01

... salvage value, will, at the end of the estimated useful life of the depreciable property, equal the cost... depreciated below a reasonable salvage value under any method of computing depreciation. However, see section 167(f) and § 1.167(f)-1 for rules which permit a reduction in the amount of salvage value to be taken...

26 CFR 1.167(a)-1 - Depreciation in general.

Code of Federal Regulations, 2011 CFR

2011-04-01

... salvage value, will, at the end of the estimated useful life of the depreciable property, equal the cost... depreciated below a reasonable salvage value under any method of computing depreciation. However, see section 167(f) and § 1.167(f)-1 for rules which permit a reduction in the amount of salvage value to be taken...

26 CFR 1.167(a)-1 - Depreciation in general.

Code of Federal Regulations, 2014 CFR

2014-04-01

... salvage value, will, at the end of the estimated useful life of the depreciable property, equal the cost... depreciated below a reasonable salvage value under any method of computing depreciation. However, see section 167(f) and § 1.167(f)-1 for rules which permit a reduction in the amount of salvage value to be taken...

26 CFR 1.167(a)-1 - Depreciation in general.

Code of Federal Regulations, 2013 CFR

2013-04-01

... salvage value, will, at the end of the estimated useful life of the depreciable property, equal the cost... depreciated below a reasonable salvage value under any method of computing depreciation. However, see section 167(f) and § 1.167(f)-1 for rules which permit a reduction in the amount of salvage value to be taken...

Pyroelectricity of silicon-doped hafnium oxide thin films

NASA Astrophysics Data System (ADS)

Jachalke, Sven; Schenk, Tony; Park, Min Hyuk; Schroeder, Uwe; Mikolajick, Thomas; Stöcker, Hartmut; Mehner, Erik; Meyer, Dirk C.

2018-04-01

Ferroelectricity in hafnium oxide thin films is known to be induced by various doping elements and in solid-solution with zirconia. While a wealth of studies is focused on their basic ferroelectric properties and memory applications, thorough studies of the related pyroelectric properties and their application potential are only rarely found. This work investigates the impact of Si doping on the phase composition and ferro- as well as pyroelectric properties of thin film capacitors. Dynamic hysteresis measurements and the field-free Sharp-Garn method were used to correlate the reported orthorhombic phase fractions with the remanent polarization and pyroelectric coefficient. Maximum values of 8.21 µC cm-2 and -46.2 µC K-1 m-2 for remanent polarization and pyroelectric coefficient were found for a Si content of 2.0 at%, respectively. Moreover, temperature-dependent measurements reveal nearly constant values for the pyroelectric coefficient and remanent polarization over the temperature range of 0 ° C to 170 ° C , which make the material a promising candidate for IR sensor and energy conversion applications beyond the commonly discussed use in memory applications.

46 CFR 167.60-15 - Manning and persons allowed to be carried.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 46 Shipping 7 2014-10-01 2014-10-01 false Manning and persons allowed to be carried. 167.60-15 Section 167.60-15 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Certificates of Inspection § 167.60-15 Manning and persons allowed to be...

46 CFR 167.60-15 - Manning and persons allowed to be carried.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 46 Shipping 7 2011-10-01 2011-10-01 false Manning and persons allowed to be carried. 167.60-15 Section 167.60-15 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Certificates of Inspection § 167.60-15 Manning and persons allowed to be...

46 CFR 167.60-15 - Manning and persons allowed to be carried.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 46 Shipping 7 2012-10-01 2012-10-01 false Manning and persons allowed to be carried. 167.60-15 Section 167.60-15 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Certificates of Inspection § 167.60-15 Manning and persons allowed to be...

46 CFR 167.60-15 - Manning and persons allowed to be carried.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 7 2013-10-01 2013-10-01 false Manning and persons allowed to be carried. 167.60-15 Section 167.60-15 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Certificates of Inspection § 167.60-15 Manning and persons allowed to be...

33 CFR 167.1323 - In Puget Sound and its approaches: Puget Sound.

Code of Federal Regulations, 2014 CFR

2014-07-01

... 33 Navigation and Navigable Waters 2 2014-07-01 2014-07-01 false In Puget Sound and its approaches: Puget Sound. 167.1323 Section 167.1323 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF... Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.1323 In Puget Sound and its...

33 CFR 167.1321 - In Puget Sound and its approaches: Rosario Strait.

Code of Federal Regulations, 2012 CFR

2012-07-01

... 33 Navigation and Navigable Waters 2 2012-07-01 2012-07-01 false In Puget Sound and its approaches: Rosario Strait. 167.1321 Section 167.1321 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF... Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.1321 In Puget Sound and its...

33 CFR 167.1321 - In Puget Sound and its approaches: Rosario Strait.

Code of Federal Regulations, 2013 CFR

2013-07-01

... 33 Navigation and Navigable Waters 2 2013-07-01 2013-07-01 false In Puget Sound and its approaches: Rosario Strait. 167.1321 Section 167.1321 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF... Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.1321 In Puget Sound and its...

33 CFR 167.1321 - In Puget Sound and its approaches: Rosario Strait.

Code of Federal Regulations, 2014 CFR

2014-07-01

... 33 Navigation and Navigable Waters 2 2014-07-01 2014-07-01 false In Puget Sound and its approaches: Rosario Strait. 167.1321 Section 167.1321 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF... Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.1321 In Puget Sound and its...

33 CFR 167.1323 - In Puget Sound and its approaches: Puget Sound.

Code of Federal Regulations, 2013 CFR

2013-07-01

... 33 Navigation and Navigable Waters 2 2013-07-01 2013-07-01 false In Puget Sound and its approaches: Puget Sound. 167.1323 Section 167.1323 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF... Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.1323 In Puget Sound and its...

33 CFR 167.1321 - In Puget Sound and its approaches: Rosario Strait.

Code of Federal Regulations, 2011 CFR

2011-07-01

... 33 Navigation and Navigable Waters 2 2011-07-01 2011-07-01 false In Puget Sound and its approaches: Rosario Strait. 167.1321 Section 167.1321 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF... Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.1321 In Puget Sound and its...

25 CFR 167.8 - Grazing rights.

Code of Federal Regulations, 2011 CFR

2011-04-01

... ownership records as established in accordance with § 167.7 or who have acquired grazing rights by marriage..., separation, threatened family disruption, and permits of deceased permittees shall be the responsibility of...

25 CFR 167.8 - Grazing rights.

Code of Federal Regulations, 2014 CFR

2014-04-01

... ownership records as established in accordance with § 167.7 or who have acquired grazing rights by marriage..., separation, threatened family disruption, and permits of deceased permittees shall be the responsibility of...

25 CFR 167.8 - Grazing rights.

Code of Federal Regulations, 2013 CFR

2013-04-01

... ownership records as established in accordance with § 167.7 or who have acquired grazing rights by marriage..., separation, threatened family disruption, and permits of deceased permittees shall be the responsibility of...

25 CFR 167.8 - Grazing rights.

Code of Federal Regulations, 2012 CFR

2012-04-01

... ownership records as established in accordance with § 167.7 or who have acquired grazing rights by marriage..., separation, threatened family disruption, and permits of deceased permittees shall be the responsibility of...

46 CFR 167.20-15 - Scupper, sanitary and similar discharges.

Code of Federal Regulations, 2010 CFR

2010-10-01

... Section 167.20-15 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Hull Requirements, Construction and Arrangement of Nautical School Ships § 167.20-15 Scupper, sanitary and similar discharges. (a) All scupper, sanitary, and other similar...

46 CFR 167.20-15 - Scupper, sanitary and similar discharges.

Code of Federal Regulations, 2011 CFR

2011-10-01

... Section 167.20-15 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Hull Requirements, Construction and Arrangement of Nautical School Ships § 167.20-15 Scupper, sanitary and similar discharges. (a) All scupper, sanitary, and other similar...

46 CFR 167.20-15 - Scupper, sanitary and similar discharges.

Code of Federal Regulations, 2013 CFR

2013-10-01

... Section 167.20-15 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Hull Requirements, Construction and Arrangement of Nautical School Ships § 167.20-15 Scupper, sanitary and similar discharges. (a) All scupper, sanitary, and other similar...

46 CFR 167.20-15 - Scupper, sanitary and similar discharges.

Code of Federal Regulations, 2012 CFR

2012-10-01

... Section 167.20-15 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Hull Requirements, Construction and Arrangement of Nautical School Ships § 167.20-15 Scupper, sanitary and similar discharges. (a) All scupper, sanitary, and other similar...

46 CFR 167.20-15 - Scupper, sanitary and similar discharges.

Code of Federal Regulations, 2014 CFR

2014-10-01

... Section 167.20-15 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Hull Requirements, Construction and Arrangement of Nautical School Ships § 167.20-15 Scupper, sanitary and similar discharges. (a) All scupper, sanitary, and other similar...

46 CFR 167.15-40 - Integral fuel oil tank examinations-T/ALL.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 46 Shipping 7 2011-10-01 2011-10-01 false Integral fuel oil tank examinations-T/ALL. 167.15-40 Section 167.15-40 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Inspections § 167.15-40 Integral fuel oil tank examinations—T/ALL. (a) Each...

46 CFR 167.15-40 - Integral fuel oil tank examinations-T/ALL.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 46 Shipping 7 2014-10-01 2014-10-01 false Integral fuel oil tank examinations-T/ALL. 167.15-40 Section 167.15-40 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Inspections § 167.15-40 Integral fuel oil tank examinations—T/ALL. (a) Each...

46 CFR 167.15-40 - Integral fuel oil tank examinations-T/ALL.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 7 2013-10-01 2013-10-01 false Integral fuel oil tank examinations-T/ALL. 167.15-40 Section 167.15-40 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Inspections § 167.15-40 Integral fuel oil tank examinations—T/ALL. (a) Each...

46 CFR 167.15-40 - Integral fuel oil tank examinations-T/ALL.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 46 Shipping 7 2012-10-01 2012-10-01 false Integral fuel oil tank examinations-T/ALL. 167.15-40 Section 167.15-40 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Inspections § 167.15-40 Integral fuel oil tank examinations—T/ALL. (a) Each...

33 CFR 167.5 - Definitions.

Code of Federal Regulations, 2011 CFR

2011-07-01

... with particular caution and within which the direction of traffic flow may be recommended. (f) Deep... SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES General § 167.5 Definitions. (a) Area to be avoided means a... certain classes of ships. (b) Traffic separation scheme (TSS) means a designated routing measure which is...

33 CFR 167.5 - Definitions.

Code of Federal Regulations, 2014 CFR

2014-07-01

... with particular caution and within which the direction of traffic flow may be recommended. (f) Deep... SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES General § 167.5 Definitions. (a) Area to be avoided means a... certain classes of ships. (b) Traffic separation scheme (TSS) means a designated routing measure which is...

33 CFR 167.5 - Definitions.

Code of Federal Regulations, 2012 CFR

2012-07-01

... with particular caution and within which the direction of traffic flow may be recommended. (f) Deep... SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES General § 167.5 Definitions. (a) Area to be avoided means a... certain classes of ships. (b) Traffic separation scheme (TSS) means a designated routing measure which is...

33 CFR 167.5 - Definitions.

Code of Federal Regulations, 2013 CFR

2013-07-01

... with particular caution and within which the direction of traffic flow may be recommended. (f) Deep... SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES General § 167.5 Definitions. (a) Area to be avoided means a... certain classes of ships. (b) Traffic separation scheme (TSS) means a designated routing measure which is...

14 CFR 61.167 - Privileges.

Code of Federal Regulations, 2010 CFR

2010-01-01

... CERTIFICATION: PILOTS, FLIGHT INSTRUCTORS, AND GROUND INSTRUCTORS Airline Transport Pilots § 61.167 Privileges. (a) A person who holds an airline transport pilot certificate is entitled to the same privileges as a person who holds a commercial pilot certificate with an instrument rating. (b) An airline transport pilot...

Zirconium and hafnium fractionation in differentiation of alkali carbonatite magmatic systems

NASA Astrophysics Data System (ADS)

Kogarko, L. N.

2016-05-01

Zirconium and hafnium are valuable strategic metals which are in high demand in industry. The Zr and Hf contents are elevated in the final products of magmatic differentiation of alkali carbonatite rocks in the Polar Siberia region (Guli Complex) and Ukraine (Chernigov Massif). Early pyroxene fractionation led to an increase in the Zr/Hf ratio in the evolution of the ultramafic-alkali magmatic system due to a higher distribution coefficient of Hf in pyroxene with respect to Zr. The Rayleigh equation was used to calculate a quantitative model of variation in the Zr/Hf ratio in the development of the Guli magmatic system. Alkali carbonatite rocks originated from rare element-rich mantle reservoirs, in particular, the metasomatized mantle. Carbonated mantle xenoliths are characterized by a high Zr/Hf ratio due to clinopyroxene development during metasomatic replacement of orthopyroxene by carbonate fluid melt.

46 CFR 167.60-15 - Manning and persons allowed to be carried.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Manning and persons allowed to be carried. 167.60-15 Section 167.60-15 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Certificates of Inspection § 167.60-15 Manning and persons allowed to be carried. The Officer in Charge, Marine Inspection...

Experimental and first-principles studies on the elastic properties of α-hafnium metal under pressure

DOE PAGES

Qi, Xintong; Wang, Xuebing; Chen, Ting; ...

2016-03-30

Compressional and shear wave velocities of the α phase of hafnium have been measured up to 10.4 GPa at room temperature using ultrasonic interferometry in a multi-anvil apparatus. A finite strain equation of state analysis yielded K s0 = 110.4 (5) GPa, G 0 = 54.7(5) GPa,K s0' = 3.7 and G 0' = 0.6 for the elastic bulk and shear moduli and their pressure derivatives at ambient conditions. Complementary to the experimental data, the single crystal elastic constants, elastic anisotropy and the unit cell axial ratio c/a of α-hafnium at high pressures were investigated by Density Functional Theory (DFT)more » based first principles calculations. A c/a value of 1.605 is predicted for α-Hf at 40 GPa, which is in excellent agreement with previous experimental results. The low-pressure derivative of the shear modulus observed in our experimental data up to 10 GPa was found to originate from the elastic constant C44 which exhibits negligible pressure dependence within the current experimental pressure range. At higher pressures (>10 GPa), C 44 was predicted to soften and the shear wave velocity ν S trended to decrease with pressure, which can be interpreted as a precursor to the α-ω transition similar to that observed in other group IV elements (titanium and zirconium). Here, the acoustic velocities, bulk and shear moduli, and the acoustic Debye temperature (θ D = 240.1 K) determined from the current experiments were all compared well with those predicted by our theoretical DFT calculations.« less

37 CFR 2.167 - Affidavit or declaration under section 15.

Code of Federal Regulations, 2010 CFR

2010-07-01

... 37 Patents, Trademarks, and Copyrights 1 2010-07-01 2010-07-01 false Affidavit or declaration under section 15. 2.167 Section 2.167 Patents, Trademarks, and Copyrights UNITED STATES PATENT AND TRADEMARK OFFICE, DEPARTMENT OF COMMERCE RULES OF PRACTICE IN TRADEMARK CASES Affidavit Or Declaration Under...

46 CFR 167.15-27 - Definitions relating to hull examinations.

Code of Federal Regulations, 2013 CFR

2013-10-01

... slipway for an examination of all accessible parts of the vessel's underwater body and all through-hull... Section 167.15-27 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Inspections § 167.15-27 Definitions relating to hull examinations. As used...

46 CFR 167.15-27 - Definitions relating to hull examinations.

Code of Federal Regulations, 2012 CFR

2012-10-01

... slipway for an examination of all accessible parts of the vessel's underwater body and all through-hull... Section 167.15-27 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Inspections § 167.15-27 Definitions relating to hull examinations. As used...

Stress-rupture strength and microstructural stability of tungsten-hafnium-carbon-wire reinforced superalloy composites

NASA Technical Reports Server (NTRS)

Petrasek, D. W.; Signorelli, R. A.

1974-01-01

Tungsten-hafnium-carbon - superalloy composites were found to be potentially useful for turbine blade applications on the basis of stress-rupture strength. The 100- and 1000-hr rupture strengths calculated for 70 vol. % fiber composites based on test data at 1090C (2000F) were 420 and 280 MN/m2 (61,000 and 41,000 psi, respectively). The investigation indicated that, with better quality fibers, composites having 100- and 1000-hr rupture strengths of 570 and 370 MN/m2 (82,000 and 54,000 psi, respectively), may be obtained. Metallographic studies indicated sufficient fiber-matrix compatibility for 1000 hr or more at 1090C (2000F).

46 CFR 167.65-1 - Emergency training, musters, and drills.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Emergency training, musters, and drills. 167.65-1... NAUTICAL SCHOOL SHIPS Special Operating Requirements § 167.65-1 Emergency training, musters, and drills. Onboard training, musters, and drills must be in accordance with subchapter W (Lifesaving Appliances and...

46 CFR 167.60-10 - Exhibition of certificate of inspection.

Code of Federal Regulations, 2010 CFR

2010-10-01

... PUBLIC NAUTICAL SCHOOL SHIPS Certificates of Inspection § 167.60-10 Exhibition of certificate of inspection. On every nautical school ship, the original certificate of inspection shall be framed under glass... 46 Shipping 7 2010-10-01 2010-10-01 false Exhibition of certificate of inspection. 167.60-10...

46 CFR 167.65-1 - Emergency training, musters, and drills.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 46 Shipping 7 2011-10-01 2011-10-01 false Emergency training, musters, and drills. 167.65-1... NAUTICAL SCHOOL SHIPS Special Operating Requirements § 167.65-1 Emergency training, musters, and drills. Onboard training, musters, and drills must be in accordance with subchapter W (Lifesaving Appliances and...

46 CFR 167.65-1 - Emergency training, musters, and drills.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 46 Shipping 7 2012-10-01 2012-10-01 false Emergency training, musters, and drills. 167.65-1... NAUTICAL SCHOOL SHIPS Special Operating Requirements § 167.65-1 Emergency training, musters, and drills. Onboard training, musters, and drills must be in accordance with subchapter W (Lifesaving Appliances and...

46 CFR 167.65-1 - Emergency training, musters, and drills.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 46 Shipping 7 2014-10-01 2014-10-01 false Emergency training, musters, and drills. 167.65-1... NAUTICAL SCHOOL SHIPS Special Operating Requirements § 167.65-1 Emergency training, musters, and drills. Onboard training, musters, and drills must be in accordance with subchapter W (Lifesaving Appliances and...

46 CFR 167.65-1 - Emergency training, musters, and drills.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 7 2013-10-01 2013-10-01 false Emergency training, musters, and drills. 167.65-1... NAUTICAL SCHOOL SHIPS Special Operating Requirements § 167.65-1 Emergency training, musters, and drills. Onboard training, musters, and drills must be in accordance with subchapter W (Lifesaving Appliances and...

The critical role of sodium content on structure, morphology and electrochemical performance of layered P2-type NaxNi0.167Co0.167Mn0.67O2 for sodium ion batteries

NASA Astrophysics Data System (ADS)

Bao, Shuo; Luo, Shaohua; Wang, Zhiyuan; Wang, Qing; Hao, Aimin; Zhang, Yahui; Wang, Yingling

2017-09-01

P2-type manganese-based ternary transition metal oxides have triggered extensive researches as potential cathode materials for sodium ion batteries. However, these kinds of materials display the large difference in electrochemical performance with sodium content varying from 0.45 to 0.8, the relevant investigations on effects of sodium content are insufficient. In this work, we synthesize a series of spherical P2-type cathode materials NaxNi0.167Co0.167Mn0.67O2 with different sodium content (x = 0.45, 0.55, 0.67, 0.8, 0.9, 1) and investigate the effects of sodium content on structure and electrochemical performance. The results reveal that NaxNi0.167Co0.167Mn0.67O2 (x = 0.45, 0.55) consist of P2-phase and P3-phase, while NaxNi0.167Co0.167Mn0.67O2 (x = 0.67, 0.8, 0.9, 1) exhibit pure P2-phase. Na0.45Ni0.167Co0.167Mn0.67O2 delivers an initial discharge capacity of 143 mAh g-1, while a fast capacity decay is observed after 50 cycles. In comparison, Na0.67Ni0.167Co0.167Mn0.67O2 shows excellent cycling stability and rate performance. The significant difference in electrochemical performance is attributed to the initial sodium content, which leads to the existence of P3-phase. Moreover, higher sodium content promotes primary particles to grow larger and thicker, which is not favorable for the diffusion of Na+. Generally, Na0.67Ni0.167Co0.167Mn0.67O2 is favored by suitable sodium content, offers excellent electrochemical performance in terms of capacity, rate performance and cycling stability.

33 CFR 167.1703 - In Prince William Sound: Valdez Arm Traffic Separation Scheme.

Code of Federal Regulations, 2012 CFR

2012-07-01

... Arm Traffic Separation Scheme. 167.1703 Section 167.1703 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.1703 In Prince...

33 CFR 167.77 - In the approach to Boston, MA: Traffic separation scheme.

Code of Federal Regulations, 2013 CFR

2013-07-01

...: Traffic separation scheme. 167.77 Section 167.77 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas § 167.77 In the approach to Boston, MA...

33 CFR 167.450 - In the Santa Barbara Channel Traffic Separation Scheme: General.

Code of Federal Regulations, 2011 CFR

2011-07-01

... Traffic Separation Scheme: General. 167.450 Section 167.450 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.450 In the Santa...

33 CFR 167.1703 - In Prince William Sound: Valdez Arm Traffic Separation Scheme.

Code of Federal Regulations, 2014 CFR

2014-07-01

... Arm Traffic Separation Scheme. 167.1703 Section 167.1703 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.1703 In Prince...

33 CFR 167.450 - In the Santa Barbara Channel Traffic Separation Scheme: General.

Code of Federal Regulations, 2012 CFR

2012-07-01

... Traffic Separation Scheme: General. 167.450 Section 167.450 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.450 In the Santa...

33 CFR 167.77 - In the approach to Boston, MA: Traffic separation scheme.

Code of Federal Regulations, 2011 CFR

2011-07-01

...: Traffic separation scheme. 167.77 Section 167.77 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas § 167.77 In the approach to Boston, MA...

33 CFR 167.1703 - In Prince William Sound: Valdez Arm Traffic Separation Scheme.

Code of Federal Regulations, 2013 CFR

2013-07-01

... Arm Traffic Separation Scheme. 167.1703 Section 167.1703 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.1703 In Prince...

33 CFR 167.450 - In the Santa Barbara Channel Traffic Separation Scheme: General.

Code of Federal Regulations, 2013 CFR

2013-07-01

... Traffic Separation Scheme: General. 167.450 Section 167.450 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.450 In the Santa...

33 CFR 167.77 - In the approach to Boston, MA: Traffic separation scheme.

Code of Federal Regulations, 2014 CFR

2014-07-01

...: Traffic separation scheme. 167.77 Section 167.77 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas § 167.77 In the approach to Boston, MA...

33 CFR 167.1703 - In Prince William Sound: Valdez Arm Traffic Separation Scheme.

Code of Federal Regulations, 2011 CFR

2011-07-01

... Arm Traffic Separation Scheme. 167.1703 Section 167.1703 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.1703 In Prince...

33 CFR 167.77 - In the approach to Boston, MA: Traffic separation scheme.

Code of Federal Regulations, 2012 CFR

2012-07-01

...: Traffic separation scheme. 167.77 Section 167.77 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas § 167.77 In the approach to Boston, MA...

33 CFR 167.450 - In the Santa Barbara Channel Traffic Separation Scheme: General.

Code of Federal Regulations, 2014 CFR

2014-07-01

... Traffic Separation Scheme: General. 167.450 Section 167.450 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.450 In the Santa...

33 CFR 167.450 - In the Santa Barbara Channel Traffic Separation Scheme: General.

Code of Federal Regulations, 2010 CFR

2010-07-01

... Traffic Separation Scheme: General. 167.450 Section 167.450 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.450 In the Santa...

33 CFR 167.1703 - In Prince William Sound: Valdez Arm Traffic Separation Scheme.

Code of Federal Regulations, 2010 CFR

2010-07-01

... Arm Traffic Separation Scheme. 167.1703 Section 167.1703 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.1703 In Prince...

46 CFR 167.01-15 - Specifications for articles or materials.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Specifications for articles or materials. 167.01-15... PUBLIC NAUTICAL SCHOOL SHIPS General Provisions § 167.01-15 Specifications for articles or materials. Articles of equipment or materials used in the equipment or the construction of vessels, which conform to...

46 CFR 167.01-15 - Specifications for articles or materials.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 46 Shipping 7 2014-10-01 2014-10-01 false Specifications for articles or materials. 167.01-15... PUBLIC NAUTICAL SCHOOL SHIPS General Provisions § 167.01-15 Specifications for articles or materials. Articles of equipment or materials used in the equipment or the construction of vessels, which conform to...

46 CFR 167.01-15 - Specifications for articles or materials.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 7 2013-10-01 2013-10-01 false Specifications for articles or materials. 167.01-15... PUBLIC NAUTICAL SCHOOL SHIPS General Provisions § 167.01-15 Specifications for articles or materials. Articles of equipment or materials used in the equipment or the construction of vessels, which conform to...

46 CFR 167.01-15 - Specifications for articles or materials.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 46 Shipping 7 2011-10-01 2011-10-01 false Specifications for articles or materials. 167.01-15... PUBLIC NAUTICAL SCHOOL SHIPS General Provisions § 167.01-15 Specifications for articles or materials. Articles of equipment or materials used in the equipment or the construction of vessels, which conform to...

46 CFR 167.15-27 - Definitions relating to hull examinations.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Definitions relating to hull examinations. 167.15-27... PUBLIC NAUTICAL SCHOOL SHIPS Inspections § 167.15-27 Definitions relating to hull examinations. As used... slipway for an examination of all accessible parts of the vessel's underwater body and all through-hull...

27 CFR 20.167 - Recovered and restored denatured spirits tanks.

Code of Federal Regulations, 2010 CFR

2010-04-01

... 27 Alcohol, Tobacco Products and Firearms 1 2010-04-01 2010-04-01 false Recovered and restored denatured spirits tanks. 20.167 Section 20.167 Alcohol, Tobacco Products and Firearms ALCOHOL AND TOBACCO...) Durably marked to show its capacity and use, (b) Equipped for locking to control access to the contents...

27 CFR 20.167 - Recovered and restored denatured spirits tanks.

Code of Federal Regulations, 2011 CFR

2011-04-01

... 27 Alcohol, Tobacco Products and Firearms 1 2011-04-01 2011-04-01 false Recovered and restored denatured spirits tanks. 20.167 Section 20.167 Alcohol, Tobacco Products and Firearms ALCOHOL AND TOBACCO...) Durably marked to show its capacity and use, (b) Equipped for locking to control access to the contents...

Silicon doped hafnium oxide (HSO) and hafnium zirconium oxide (HZO) based FeFET: A material relation to device physics

NASA Astrophysics Data System (ADS)

Ali, T.; Polakowski, P.; Riedel, S.; Büttner, T.; Kämpfe, T.; Rudolph, M.; Pätzold, B.; Seidel, K.; Löhr, D.; Hoffmann, R.; Czernohorsky, M.; Kühnel, K.; Thrun, X.; Hanisch, N.; Steinke, P.; Calvo, J.; Müller, J.

2018-05-01

The recent discovery of ferroelectricity in thin film HfO2 materials renewed the interest in ferroelectric FET (FeFET) as an emerging nonvolatile memory providing a potential high speed and low power Flash alternative. Here, we report more insight into FeFET performance by integrating two types of ferroelectric (FE) materials and varying their properties. By varying the material type [HfO2 (HSO) versus hafnium zirconium oxide (HZO)], optimum content (Si doping/mixture ratio), and film thickness, a material relation to FeFET device physics is concluded. As for the material type, an improved FeFET performance is observed for HZO integration with memory window (MW) comparable to theoretical values. For different Si contents, the HSO based FeFET exhibited a MW trend with different stabilized phases. Similarly, the HZO FeFET shows MW dependence on the Hf:Zr mixture ratio. A maximized MW is obtained with cycle ratios of 16:1 (HfO2:Si) and 1:1 (Hf:Zr) as measured on HSO and HZO based FeFETs, respectively. The thickness variation shows a trend of increasing MW with the increased FE layer thickness confirming early theoretical predictions. The FeFET material aspects and stack physics are discussed with insight into the interplay factors, while optimum FE material parameters are outlined in relation to performance.

50 CFR 665.167 - Quotas.

Code of Federal Regulations, 2014 CFR

2014-10-01

.... (a) General. The quotas limiting the amount of precious coral that may be taken in any precious coral permit area during the fishing year are listed in § 665.167(d). Only live coral is counted toward the... conditional bed will be closed to all nonselective coral harvesting after the quota for one species of coral...

50 CFR 665.167 - Quotas.

Code of Federal Regulations, 2012 CFR

2012-10-01

.... (a) General. The quotas limiting the amount of precious coral that may be taken in any precious coral permit area during the fishing year are listed in § 665.167(d). Only live coral is counted toward the... conditional bed will be closed to all nonselective coral harvesting after the quota for one species of coral...

50 CFR 665.167 - Quotas.

Code of Federal Regulations, 2011 CFR

2011-10-01

.... (a) General. The quotas limiting the amount of precious coral that may be taken in any precious coral permit area during the fishing year are listed in § 665.167(d). Only live coral is counted toward the... conditional bed will be closed to all nonselective coral harvesting after the quota for one species of coral...

50 CFR 665.167 - Quotas.

Code of Federal Regulations, 2010 CFR

2010-10-01

.... (a) General. The quotas limiting the amount of precious coral that may be taken in any precious coral permit area during the fishing year are listed in § 665.167(d). Only live coral is counted toward the... conditional bed will be closed to all nonselective coral harvesting after the quota for one species of coral...

50 CFR 665.167 - Quotas.

Code of Federal Regulations, 2013 CFR

2013-10-01

.... (a) General. The quotas limiting the amount of precious coral that may be taken in any precious coral permit area during the fishing year are listed in § 665.167(d). Only live coral is counted toward the... conditional bed will be closed to all nonselective coral harvesting after the quota for one species of coral...

Investigations on the ORF 167L of lymphocystis disease virus (Iridoviridae).

PubMed

Essbauer, Sandra; Fischer, Uwe; Bergmann, Sven; Ahne, Winfried

2004-01-01

The predicted open reading frame 167L (ORF 167L) of lymphocystis disease virus (LCDV, Iridoviridae ) isolated from plaice, dab and flounder was investigated. The ORF 167L corresponding genes of the three LCDV isolates were amplified, cloned and sequenced. A comparison of the LCDV strains showed that the nucleotide sequence of ORF 167L and its deduced amino acid sequence were highly conserved in the genus lymphocystivirus (a homology of 80% in dab and flounder/plaice, 97% in plaice and flounder). The N-terminus protein predicted from the ORF 167L suggests similarities to the tumor necrosis factor receptor (TNFR)-family, and to TNFR-like proteins, which play an important role in various poxvirus species. Further, homology to the CUB-domain was shown at the C-terminus of the LCDV protein. Phylogenetic analyses of partial LCDV protein sequences identified two clusters: one cluster containing the flounder and plaice LCDV isolate (LCDV-1), and another cluster, containing the dab LCDV isolate (LCDV-2). The ORF 167L of plaice LCDV was expressed in Escherichia coli, and in fish cells. The expressed ORF resulted in a 30-kDa cytoplasmic protein lacking a signal peptide. An established monoclonal antibody (mAb 18) was used to detect LCDV proteins in skin explants of flounders and cryosections of dab skin. Specific fluorescence was found in the cytoplasm of intact epitheloid cells of the lymphocystis capsule and in the epidermis skin covering the lymphocystic nodules. LCDV-specific labelling of mAb 18 was also shown in spleen and liver tissue of LCDV-positive flounders. The ORF 167L protein seemed not to have the extracellular receptor function predicted from the usual cellular TNFR. The myxomavirus M-T2 protein, a poxviral TNFR homologue, was also shown not to have TNFR-like functions but to be involved in the apoptosis signal cascade.

Atomic layer deposition of hafnium oxide: A detailed reaction mechanism from first principles

NASA Astrophysics Data System (ADS)

Widjaja, Yuniarto; Musgrave, Charles B.

2002-08-01

Atomic layer deposition (ALD) of hafnium oxide (HfO2) using HfCl4 and H2O as precursors is studied using density functional theory. The mechanism consists of two deposition half-reactions: (1) HfCl4 with Hf-OH sites, and (2) H2O with Hf-Cl sites. Both half-reactions exhibit stable intermediates with energies lower than those of the final products. We show that increasing the temperature reduces the stability of the complex. However, increasing temperature also increases the dissociation free-energy barrier, which in turn results in increased desorption of adsorbed precursors. Both half-reactions are qualitatively similar to the corresponding reactions of ZrO2 ALD using ZrCl4 and H2O.

Measurement of the 169Tm(n,3n) 167Tm cross section and the associated branching ratios in the decay of 167Tm [Measurement of the 169Tm(n,3n) 167Tm cross section and the branching ratios in the decay of 167Tm

DOE PAGES

Champine, B.; Gooden, M. E.; Krishichayan, .; ...

2016-01-14

The cross section for the 169Tm(n,3n) 167Tm reaction was measured from 17 to 22 MeV using quasimonoenergetic neutrons produced by the 2H(d,n) 3He reaction. This energy range was studied to resolve the discrepancy between previous (n,3n) cross-section measurements. In addition, the absolute γ-ray branching ratios following the electron-capture decay of 167Tm were measured. Furthermore, these results provide more reliable nuclear data for an important diagnostic that is used at the National Ignition Facility to estimate the yield of reaction-in-flight neutrons produced via the inertial-confinement-fusion plasma in deuterium-tritium capsules.

Intrinsic Defect Ferromagnetism: The case of Hafnium Oxide

NASA Astrophysics Data System (ADS)

Das Pemmaraju, Chaitanya

2005-03-01

In view of the recent experimental reports of intrinsic ferromagnetism in Hafnium Oxide (HfO2) thin film systems ootnotetextM. Venkatesan, C. B. Fitzgerald, J. M. D. Coey Nature 430, 630 (2004) Brief Communications, we carried out first principles investigations to look for magnetic structure in HfO2 possibly brought about by the presence of small concentrations of intrinsic point defects. Ab initio electronic structure calculations using Density Functional Theory (DFT) show that isolated cation vacancy sites in HfO2 lead to the formation of high spin defect states which couple ferromagnetically to each other. Interestingly, these high spin states are observed in the low symmetry monoclinic and tetragonal phases while the highly symmetric cubic flourite phase exhibits a non-magnetic ground state. Detailed studies of the electronic structure of cation vacancies in the three crystalline phases of Hafnia show that symmetry leading to orbitally degenerate defect levels is not a pre-requsite for ferromagnetism and that the interplay between Kinetic, Coulomb and Exchange energy together with favourable coupling to the Crystalline environment can lead to high spin ferromagnetic ground states even in extreme low symmetry systems like monoclinic HfO2. These findings open up a much wider class of systems to the possibility of intrinsic defect ferromagnetism.

Work functions of hafnium nitride thin films as emitter material for field emitter arrays

DOE Office of Scientific and Technical Information (OSTI.GOV)

Gotoh, Yasuhito, E-mail: gotoh.yasuhito.5w@kyoto-u.ac.jp; Fujiwara, Sho; Tsuji, Hiroshi

The work functions of hafnium nitride thin films prepared by radio-frequency magnetron sputtering were investigated in vacuum, before and after surface cleaning processes, with a view of improving the properties of as-fabricated field emitter arrays comprising hafnium nitride emitters. The measurement of the work function was first performed for the as-deposited films and then for films subjected to surface cleaning process, either thermal treatment or ion bombardment. Thermal treatment at a maximum temperature of 300 °C reduced the work function by 0.7 eV. Once the film was heated, the work function maintained the reduced value, even after cooling to room temperature. Amore » little change in the work function was observed for the second and third thermal treatments. The ion bombardment was conducted by exposing the sample to a thin plasma for different sample bias conditions and processing times. When the sample was biased at −10 V, the work function decreased by 0.6 eV. The work function reduction became saturated in the early stage of the ion bombardment. When the sample was biased at −50 V, the work function exhibited different behaviors, that is, first it decreased rapidly and then increased in response to the increase in processing time. The lowest attainable work function was found to be 4.00 eV. It should be noted that none of the work function values reported in this paper were obtained using surfaces that were demonstrated to be free from oxygen contamination. The present results suggest that the current–voltage characteristics of a field emitter array can be improved by a factor of 25–50 by the examined postprocesses.« less

The interfacial orientation relationship of oxide nanoparticles in a hafnium-containing oxide dispersion-strengthened austenitic stainless steel

DOE Office of Scientific and Technical Information (OSTI.GOV)

Miao, Yinbin, E-mail: miao2@illinois.edu; Mo, Kun; Cui, Bai

2015-03-15

This work reports comprehensive investigations on the orientation relationship of the oxide nanoparticles in a hafnium-containing austenitic oxide dispersion-strengthened 316 stainless steel. The phases of the oxide nanoparticles were determined by a combination of scanning transmission electron microscopy–electron dispersive X-ray spectroscopy, atom probe tomography and synchrotron X-ray diffraction to be complex Y–Ti–Hf–O compounds with similar crystal structures, including bixbyite Y{sub 2}O{sub 3}, fluorite Y{sub 2}O{sub 3}–HfO{sub 2} solid solution and pyrochlore (or fluorite) Y{sub 2}(Ti,Hf){sub 2−x}O{sub 7−x}. High resolution transmission electron microscopy was used to characterize the particle–matrix interfaces. Two different coherency relationships along with one axis-parallel relation between themore » oxide nanoparticles and the steel matrix were found. The size of the nanoparticles significantly influences the orientation relationship. The results provide insight into the relationship of these nanoparticles with the matrix, which has implications for interpreting material properties as well as responses to radiation. - Highlights: • The oxide nanoparticles in a hafnium-containing austenitic ODS were characterized. • The nanoparticles are Y–Hf–Ti–O enriched phases according to APT and STEM–EDS. • Two coherency and an axis-parallel orientation relationships were found by HR-TEM. • Particle size has a prominent effect on the orientation relationship (OR). • Formation mechanism of the oxide nanoparticles was discussed based on the ORs.« less

46 CFR 167.10-1 - Enforcement.

Code of Federal Regulations, 2010 CFR

2010-10-01

... GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Enforcement and Right of Appeal § 167.10-1 Enforcement. The Officer in Charge, Marine Inspection, is responsible for the performance of duties within the officer's jurisdiction with respect to inspection of...

40 CFR 763.167 - Processing prohibitions.

Code of Federal Regulations, 2011 CFR

2011-07-01

... CONTROL ACT ASBESTOS Prohibition of the Manufacture, Importation, Processing, and Distribution in Commerce of Certain Asbestos-Containing Products; Labeling Requirements § 763.167 Processing prohibitions. (a..., any of the asbestos-containing products listed at § 763.165(a). (b) After August 26, 1996, no person...

46 CFR 167.01-8 - Inspection of school ships using gross tonnage criterion.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Inspection of school ships using gross tonnage criterion. 167.01-8 Section 167.01-8 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS General Provisions § 167.01-8 Inspection of school ships using gross tonnage criterion. (a) One of the...

Tailoring the index of refraction of nanocrystalline hafnium oxide thin films

DOE Office of Scientific and Technical Information (OSTI.GOV)

Vargas, Mirella; Murphy, N. R.; Ramana, C. V., E-mail: rvchintalapalle@utep.edu

2014-03-10

Hafnium oxide (HfO{sub 2}) films were grown by sputter-deposition by varying the growth temperature (T{sub s} = 25–700 °C). HfO{sub 2} films grown at T{sub s} < 200 °C were amorphous, while those grown at T{sub s} ≥ 200 °C were monoclinic, nanocrystalline with (1{sup ¯}11) texturing. X-ray reflectivity (XRR) analyses indicate that the film-density (ρ) increases with increasing T{sub s}. The index of refraction (n) profiles derived from spectroscopic ellipsometry analyses follow the Cauchy dispersion relation. Lorentz-Lorenz analysis (n{sub (λ)} = 550 nm) and optical-model adopted agree well with the XRR data/analyses. A direct T{sub s}-ρ-n relationship suggests that tailoring the optical quality is possible by tuning T{sub s} and themore » microstructure of HfO{sub 2} films.« less

33 CFR 167.200 - In the approaches to Chesapeake Bay Traffic Separation Scheme: General.

Code of Federal Regulations, 2012 CFR

2012-07-01

... Bay Traffic Separation Scheme: General. 167.200 Section 167.200 Navigation and Navigable Waters COAST... SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.200 In the approaches to Chesapeake Bay Traffic Separation Scheme: General. (a) The traffic...

33 CFR 167.1702 - In Prince William Sound: Prince William Sound Traffic Separation Scheme.

Code of Federal Regulations, 2012 CFR

2012-07-01

... William Sound Traffic Separation Scheme. 167.1702 Section 167.1702 Navigation and Navigable Waters COAST... SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.1702 In Prince William Sound: Prince William Sound Traffic Separation Scheme. The Prince William Sound...

33 CFR 167.1702 - In Prince William Sound: Prince William Sound Traffic Separation Scheme.

Code of Federal Regulations, 2014 CFR

2014-07-01

... William Sound Traffic Separation Scheme. 167.1702 Section 167.1702 Navigation and Navigable Waters COAST... SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.1702 In Prince William Sound: Prince William Sound Traffic Separation Scheme. The Prince William Sound...

33 CFR 167.200 - In the approaches to Chesapeake Bay Traffic Separation Scheme: General.

Code of Federal Regulations, 2011 CFR

2011-07-01

... Bay Traffic Separation Scheme: General. 167.200 Section 167.200 Navigation and Navigable Waters COAST... SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.200 In the approaches to Chesapeake Bay Traffic Separation Scheme: General. (a) The traffic...

33 CFR 167.1702 - In Prince William Sound: Prince William Sound Traffic Separation Scheme.

Code of Federal Regulations, 2013 CFR

2013-07-01

... William Sound Traffic Separation Scheme. 167.1702 Section 167.1702 Navigation and Navigable Waters COAST... SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.1702 In Prince William Sound: Prince William Sound Traffic Separation Scheme. The Prince William Sound...

33 CFR 167.200 - In the approaches to Chesapeake Bay Traffic Separation Scheme: General.

Code of Federal Regulations, 2010 CFR

2010-07-01

... Bay Traffic Separation Scheme: General. 167.200 Section 167.200 Navigation and Navigable Waters COAST... SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.200 In the approaches to Chesapeake Bay Traffic Separation Scheme: General. (a) The traffic...

33 CFR 167.200 - In the approaches to Chesapeake Bay Traffic Separation Scheme: General.

Code of Federal Regulations, 2014 CFR

2014-07-01

... Bay Traffic Separation Scheme: General. 167.200 Section 167.200 Navigation and Navigable Waters COAST... SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.200 In the approaches to Chesapeake Bay Traffic Separation Scheme: General. (a) The traffic...

33 CFR 167.1702 - In Prince William Sound: Prince William Sound Traffic Separation Scheme.

Code of Federal Regulations, 2010 CFR

2010-07-01

... William Sound Traffic Separation Scheme. 167.1702 Section 167.1702 Navigation and Navigable Waters COAST... SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.1702 In Prince William Sound: Prince William Sound Traffic Separation Scheme. The Prince William Sound...

33 CFR 167.1702 - In Prince William Sound: Prince William Sound Traffic Separation Scheme.

Code of Federal Regulations, 2011 CFR

2011-07-01

... William Sound Traffic Separation Scheme. 167.1702 Section 167.1702 Navigation and Navigable Waters COAST... SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.1702 In Prince William Sound: Prince William Sound Traffic Separation Scheme. The Prince William Sound...

33 CFR 167.200 - In the approaches to Chesapeake Bay Traffic Separation Scheme: General.

Code of Federal Regulations, 2013 CFR

2013-07-01

... Bay Traffic Separation Scheme: General. 167.200 Section 167.200 Navigation and Navigable Waters COAST... SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.200 In the approaches to Chesapeake Bay Traffic Separation Scheme: General. (a) The traffic...

46 CFR 167.55-1 - Draft marks and draft indicating systems.

Code of Federal Regulations, 2013 CFR

2013-10-01

... Section 167.55-1 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Special Markings Required § 167.55-1 Draft marks and draft indicating systems. (a... are of uniform height equal to the vertical spacing between consecutive marks. (f) Draft marks must be...

46 CFR 167.55-1 - Draft marks and draft indicating systems.

Code of Federal Regulations, 2011 CFR

2011-10-01

... Section 167.55-1 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Special Markings Required § 167.55-1 Draft marks and draft indicating systems. (a... are of uniform height equal to the vertical spacing between consecutive marks. (f) Draft marks must be...

46 CFR 167.55-1 - Draft marks and draft indicating systems.

Code of Federal Regulations, 2014 CFR

2014-10-01

... Section 167.55-1 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Special Markings Required § 167.55-1 Draft marks and draft indicating systems. (a... are of uniform height equal to the vertical spacing between consecutive marks. (f) Draft marks must be...

46 CFR 167.55-1 - Draft marks and draft indicating systems.

Code of Federal Regulations, 2012 CFR

2012-10-01

... Section 167.55-1 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Special Markings Required § 167.55-1 Draft marks and draft indicating systems. (a... are of uniform height equal to the vertical spacing between consecutive marks. (f) Draft marks must be...

46 CFR 167.55-1 - Draft marks and draft indicating systems.

Code of Federal Regulations, 2010 CFR

2010-10-01

... Section 167.55-1 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Special Markings Required § 167.55-1 Draft marks and draft indicating systems. (a... are of uniform height equal to the vertical spacing between consecutive marks. (f) Draft marks must be...

46 CFR 167.45-5 - Steam fire pumps or their equivalent.

Code of Federal Regulations, 2010 CFR

2010-10-01

... nautical school ships shall be provided with powerful pumps available for use as fire pumps. When of less... 167.45-5 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Special Firefighting and Fire Prevention Requirements § 167.45-5 Steam fire pumps or...

14 CFR 91.167 - Fuel requirements for flight in IFR conditions.

Code of Federal Regulations, 2014 CFR

2014-01-01

... 14 Aeronautics and Space 2 2014-01-01 2014-01-01 false Fuel requirements for flight in IFR conditions. 91.167 Section 91.167 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF... operate a civil aircraft in IFR conditions unless it carries enough fuel (considering weather reports and...

14 CFR 91.167 - Fuel requirements for flight in IFR conditions.

Code of Federal Regulations, 2010 CFR

2010-01-01

... 14 Aeronautics and Space 2 2010-01-01 2010-01-01 false Fuel requirements for flight in IFR conditions. 91.167 Section 91.167 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF... operate a civil aircraft in IFR conditions unless it carries enough fuel (considering weather reports and...

14 CFR 91.167 - Fuel requirements for flight in IFR conditions.

Code of Federal Regulations, 2013 CFR

2013-01-01

... 14 Aeronautics and Space 2 2013-01-01 2013-01-01 false Fuel requirements for flight in IFR conditions. 91.167 Section 91.167 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF... operate a civil aircraft in IFR conditions unless it carries enough fuel (considering weather reports and...

14 CFR 91.167 - Fuel requirements for flight in IFR conditions.

Code of Federal Regulations, 2012 CFR

2012-01-01

... 14 Aeronautics and Space 2 2012-01-01 2012-01-01 false Fuel requirements for flight in IFR conditions. 91.167 Section 91.167 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF... operate a civil aircraft in IFR conditions unless it carries enough fuel (considering weather reports and...

14 CFR 91.167 - Fuel requirements for flight in IFR conditions.

Code of Federal Regulations, 2011 CFR

2011-01-01

... 14 Aeronautics and Space 2 2011-01-01 2011-01-01 false Fuel requirements for flight in IFR conditions. 91.167 Section 91.167 Aeronautics and Space FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF... operate a civil aircraft in IFR conditions unless it carries enough fuel (considering weather reports and...

46 CFR 167.45-30 - Use of approved fire-fighting equipment.

Code of Federal Regulations, 2010 CFR

2010-10-01

... PUBLIC NAUTICAL SCHOOL SHIPS Special Firefighting and Fire Prevention Requirements § 167.45-30 Use of approved fire-fighting equipment. Portable fire extinguishers or fire-extinguishing systems which conform... 46 Shipping 7 2010-10-01 2010-10-01 false Use of approved fire-fighting equipment. 167.45-30...

Complete Genome Sequence of Biofilm-Forming Strain Staphylococcus haemolyticus S167.

PubMed

Hong, Jisoo; Kim, Jonguk; Kim, Byung-Yong; Park, Jin-Woo; Ryu, Jae-Gee; Roh, Eunjung

2016-06-16

Staphylococcus haemolyticus S167 has the ability to produce biofilms in large quantities. Genomic analyses revealed information on the biofilm-related genes of S. haemolyticus S167. Detailed studies of biofilm formation at the molecular level could provide a foundation for biofilm control research. Copyright © 2016 Hong et al.

Genetic and Pharmacological Strategies to Refunctionalize the von Hippel Lindau R167Q Mutant Protein

PubMed Central

Ding, Zhiyong; German, Peter; Bai, Shanshan; Reddy, A. Srinivas; Liu, Xian-De; Sun, Mianen; Zhou, Lijun; Chen, Xiaohua; Zhao, Xiaobei; Wu, Chengbiao; Zhang, Shuxing; Mills, Gordon B.; Jonasch, Eric

2014-01-01

Aberrant von Hippel Lindau (VHL) protein function is the underlying driver of VHL-related diseases, including both sporadic and inherited clear cell renal cell carcinoma (ccRCC). About one third of VHL mutations are missense point mutations, with R167Q being the most common VHL point mutation in hereditary VHL disease. Although it has been studied extensively, the ability of VHL-R167Q to downregulate hypoxia inducible factor 2α (HIF2α) is still controversial. In addition, the manner in which the mutation contributes to tumorigenesis is not fully understood. No therapeutic approach is available to target VHL-R167Q and similar missense point mutations. We analyzed VHL-R167Q proteostasis and function at normoxia, at hypoxia with different oxygen pressure, and in a xenograft mouse model. We showed that the protein levels of VHL-R167Q dictate its ability to downregulate HIF2α and suppress tumor growth. Strikingly, the proteasome inhibitors bortezomib and carfilzomib, which are currently in clinical use, stabilize VHL-R167Q and increase its ability to downregulate HIF2α. VHL-R167Q binds elongin C and elongin B with considerably less avidity than wild-type VHL does but retains residual capacity to generate a VHL-elongin C-elongin B complex, downregulate HIF2α, and suppress tumorigenesis, which could be rescued by increase VHL-R167Q levels. Finally, we used in silico approaches and identified other missense VHL mutants in addition to VHL-R167Q that might be rescued by similar strategies. Thus, our studies revealed detailed information describing how VHL-R167Q contributes to tumorigenesis and identified a potential targeted therapy for ccRCC and other VHL-related disease in patients carrying VHL-R167Q or similar missense mutations. PMID:24755468

40 CFR 80.167 - Confirmatory testing.

Code of Federal Regulations, 2011 CFR

2011-07-01

...) REGULATION OF FUELS AND FUEL ADDITIVES Detergent Gasoline § 80.167 Confirmatory testing. EPA may test a... national, PADD, or fuel-specific options will generally entail a single vehicle test using the procedures detailed in § 80.165. The test fuel(s) used in conducting confirmatory certification testing will contain...

40 CFR 80.167 - Confirmatory testing.

Code of Federal Regulations, 2012 CFR

2012-07-01

...) REGULATION OF FUELS AND FUEL ADDITIVES Detergent Gasoline § 80.167 Confirmatory testing. EPA may test a... national, PADD, or fuel-specific options will generally entail a single vehicle test using the procedures detailed in § 80.165. The test fuel(s) used in conducting confirmatory certification testing will contain...

40 CFR 80.167 - Confirmatory testing.

Code of Federal Regulations, 2010 CFR

2010-07-01

...) REGULATION OF FUELS AND FUEL ADDITIVES Detergent Gasoline § 80.167 Confirmatory testing. EPA may test a... national, PADD, or fuel-specific options will generally entail a single vehicle test using the procedures detailed in § 80.165. The test fuel(s) used in conducting confirmatory certification testing will contain...

40 CFR 80.167 - Confirmatory testing.

Code of Federal Regulations, 2013 CFR

2013-07-01

...) REGULATION OF FUELS AND FUEL ADDITIVES Detergent Gasoline § 80.167 Confirmatory testing. EPA may test a... national, PADD, or fuel-specific options will generally entail a single vehicle test using the procedures detailed in § 80.165. The test fuel(s) used in conducting confirmatory certification testing will contain...

10 CFR 16.7 - Notice requirements.

Code of Federal Regulations, 2010 CFR

2010-01-01

... inspect and copy government records pertaining to the debt or, if the employee or his or her... REGULATORY COMMISSION SALARY OFFSET PROCEDURES FOR COLLECTING DEBTS OWED BY FEDERAL EMPLOYEES TO THE FEDERAL GOVERNMENT § 16.7 Notice requirements. (a) If the NRC is the creditor agency, deductions will not be made...

40 CFR 159.167 - Discontinued studies.

Code of Federal Regulations, 2010 CFR

2010-07-01

... 40 Protection of Environment 23 2010-07-01 2010-07-01 false Discontinued studies. 159.167 Section... Discontinued studies. The fact that a study has been discontinued before the planned termination must be reported to EPA, with the reason for termination, if submission of information concerning the study is, or...

40 CFR 159.167 - Discontinued studies.

Code of Federal Regulations, 2011 CFR

2011-07-01

... 40 Protection of Environment 24 2011-07-01 2011-07-01 false Discontinued studies. 159.167 Section... Discontinued studies. The fact that a study has been discontinued before the planned termination must be reported to EPA, with the reason for termination, if submission of information concerning the study is, or...

46 CFR 167.43-10 - Use.

Code of Federal Regulations, 2010 CFR

2010-10-01

..., DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Work Vests § 167.43-10 Use. (a) Approved buoyant work vests are considered to be items of safety apparel and may be... approved life preservers and shall not be substituted for the approved life preservers required to be worn...

26 CFR 1.167(a)-10 - When depreciation deduction is allowable.

Code of Federal Regulations, 2010 CFR

2010-04-01

... 26 Internal Revenue 2 2010-04-01 2010-04-01 false When depreciation deduction is allowable. 1.167... Corporations § 1.167(a)-10 When depreciation deduction is allowable. (a) A taxpayer should deduct the proper depreciation allowance each year and may not increase his depreciation allowances in later years by reason of...

26 CFR 1.167(l)-4 - Public utility property; election to use asset depreciation range system.

Code of Federal Regulations, 2010 CFR

2010-04-01

... depreciation range system. 1.167(l)-4 Section 1.167(l)-4 Internal Revenue INTERNAL REVENUE SERVICE, DEPARTMENT... Individuals and Corporations § 1.167(l)-4 Public utility property; election to use asset depreciation range system. (a) Application of section 167(l) to certain property subject to asset depreciation range system...

Hafnium-doped hydroxyapatite nanoparticles with ionizing radiation for lung cancer treatment.

PubMed

Chen, Min-Hua; Hanagata, Nobutaka; Ikoma, Toshiyuki; Huang, Jian-Yuan; Li, Keng-Yuan; Lin, Chun-Pin; Lin, Feng-Huei

2016-06-01

Recently, photodynamic therapy (PDT) is one of the new clinical options by generating cytotoxic reactive oxygen species (ROS) to kill cancer cells. However, the optical approach of PDT is limited by tissue penetration depth of visible light. In this study, we propose that a ROS-enhanced nanoparticle, hafnium-doped hydroxyapatite (Hf:HAp), which is a material to yield large quantities of ROS inside the cells when the nanoparticles are bombarded with high penetrating power of ionizing radiation. Hf:HAp nanoparticles are generated by wet chemical precipitation with total doping concentration of 15mol% Hf(4+) relative to Ca(2+) in HAp host material. The results show that the HAp particles could be successfully doped with Hf ions, resulted in the formation of nano-sized rod-like shape and with pH-dependent solubility. The impact of ionizing radiation on Hf:HAp nanoparticles is assessed by using in-vitro and in-vivo model using A549 cell line. The 2',7'-dichlorofluorescein diacetate (DCFH-DA) results reveal that after being exposed to gamma rays, Hf:HAp could significantly lead to the formation of ROS in cells. Both cell viability (WST-1) and cytotoxicity (LDH) assay show the consistent results that A549 lung cancer cell lines are damaged with changes in the cells' ROS level. The in-vivo studies further demonstrate that the tumor growth is inhibited owing to the cells apoptosis when Hf:HAp nanoparticles are bombarded with ionizing radiation. This finding offer a new therapeutic method of interacting with ionizing radiation and demonstrate the potential of Hf:HAp nanoparticles in tumor treatment, such as being used in a palliative treatment after lung surgical procedure. Photodynamic therapy (PDT) is one of the new clinical options by generating cytotoxic reactive oxygen species (ROS) to kill cancer cells. Unfortunately, the approach of PDT is usually limited to the treatment of systemic disease and deeper tumor, due to the limited tissue penetration depth of visible

40 CFR 80.167 - Confirmatory testing.

Code of Federal Regulations, 2014 CFR

2014-07-01

...) REGULATION OF FUELS AND FUEL ADDITIVES Detergent Gasoline § 80.167 Confirmatory testing. EPA may test a... entail a single vehicle test using the procedures detailed in § 80.165. The test fuel(s) used in... minimum levels specified in § 80.164, and will otherwise conform to the applicable certification test fuel...

46 CFR 167.43-10 - Use.

Code of Federal Regulations, 2011 CFR

2011-10-01

..., DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Work Vests § 167.43-10 Use. (a) Approved buoyant work vests are considered to be items of safety apparel and may be.... When carried, such vests shall not be accepted in lieu of any portion of the required number of...

46 CFR 167.43-10 - Use.

Code of Federal Regulations, 2012 CFR

2012-10-01

..., DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Work Vests § 167.43-10 Use. (a) Approved buoyant work vests are considered to be items of safety apparel and may be.... When carried, such vests shall not be accepted in lieu of any portion of the required number of...

46 CFR 167.43-10 - Use.

Code of Federal Regulations, 2013 CFR

2013-10-01

..., DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Work Vests § 167.43-10 Use. (a) Approved buoyant work vests are considered to be items of safety apparel and may be.... When carried, such vests shall not be accepted in lieu of any portion of the required number of...

46 CFR 167.43-10 - Use.

Code of Federal Regulations, 2014 CFR

2014-10-01

..., DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Work Vests § 167.43-10 Use. (a) Approved buoyant work vests are considered to be items of safety apparel and may be.... When carried, such vests shall not be accepted in lieu of any portion of the required number of...

26 CFR 1.167(h)-1 - Life tenants and beneficiaries of trusts and estates.

Code of Federal Regulations, 2010 CFR

2010-04-01

... 26 Internal Revenue 2 2010-04-01 2010-04-01 false Life tenants and beneficiaries of trusts and estates. 1.167(h)-1 Section 1.167(h)-1 Internal Revenue INTERNAL REVENUE SERVICE, DEPARTMENT OF THE... and Corporations § 1.167(h)-1 Life tenants and beneficiaries of trusts and estates. (a) Life tenants...

Cross-Section Measurement of the 169Tm(n,3n)167Tm Reaction and Constraining the Branching Ratio of 167Tm

NASA Astrophysics Data System (ADS)

Champine, Brian; Gooden, Matthew; Thomas, Keenan; Krishichayan, F.; Norman, Eric; Scielzo, Nick; Tonchev, Anton; Tornow, Werner

2015-10-01

The cross section of the 169Tm(n,3n)167Tm reaction has been measured from 17.5 to 21.5 MeV using activation technique. This energy region was chosen to resolve the two different trends of the previous (n,3n) cross section measurements on 169Tm. In addition, the branching ratio of the 207.8 keV γ-ray line stemming from electron capture of 167Tm was measured to be 0.419(16). The result of these measurements provide more accurate diagnostic estimation of the so called reaction-in-flight neutrons produced via the internal confinement fusion plasma in deuterium-tritium capsules at the National Ignition Facility.

33 CFR 167.252 - In the approaches to the Cape Fear River: Traffic separation scheme.

Code of Federal Regulations, 2012 CFR

2012-07-01

... Fear River: Traffic separation scheme. 167.252 Section 167.252 Navigation and Navigable Waters COAST... SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.252 In the approaches to the Cape Fear River: Traffic separation scheme. (a) A traffic separation...

33 CFR 167.252 - In the approaches to the Cape Fear River: Traffic separation scheme.

Code of Federal Regulations, 2014 CFR

2014-07-01

... Fear River: Traffic separation scheme. 167.252 Section 167.252 Navigation and Navigable Waters COAST... SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.252 In the approaches to the Cape Fear River: Traffic separation scheme. (a) A traffic separation...

33 CFR 167.252 - In the approaches to the Cape Fear River: Traffic separation scheme.

Code of Federal Regulations, 2011 CFR

2011-07-01

... Fear River: Traffic separation scheme. 167.252 Section 167.252 Navigation and Navigable Waters COAST... SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.252 In the approaches to the Cape Fear River: Traffic separation scheme. (a) A traffic separation...

33 CFR 167.252 - In the approaches to the Cape Fear River: Traffic separation scheme.

Code of Federal Regulations, 2013 CFR

2013-07-01

... Fear River: Traffic separation scheme. 167.252 Section 167.252 Navigation and Navigable Waters COAST... SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.252 In the approaches to the Cape Fear River: Traffic separation scheme. (a) A traffic separation...

17 CFR 1.67 - Notification of final disciplinary action involving financial harm to a customer.

Code of Federal Regulations, 2010 CFR

2010-04-01

... disciplinary action involving financial harm to a customer. 1.67 Section 1.67 Commodity and Securities... Miscellaneous § 1.67 Notification of final disciplinary action involving financial harm to a customer. (a) Definitions. For purposes of this section: (1) Final disciplinary action means any decision by or settlement...

Electron-beam-evaporated thin films of hafnium dioxide for fabricating electronic devices

DOE PAGES

Xiao, Zhigang; Kisslinger, Kim

2015-06-17

Thin films of hafnium dioxide (HfO 2) are widely used as the gate oxide in fabricating integrated circuits because of their high dielectric constants. In this paper, the authors report the growth of thin films of HfO 2 using e-beam evaporation, and the fabrication of complementary metal-oxide semiconductor (CMOS) integrated circuits using this HfO 2 thin film as the gate oxide. The authors analyzed the thin films using high-resolution transmission electron microscopy and electron diffraction, thereby demonstrating that the e-beam-evaporation-grown HfO 2 film has a polycrystalline structure and forms an excellent interface with silicon. Accordingly, we fabricated 31-stage CMOS ringmore » oscillator to test the quality of the HfO 2 thin film as the gate oxide, and obtained excellent rail-to-rail oscillation waveforms from it, denoting that the HfO 2 thin film functioned very well as the gate oxide.« less

20 CFR 655.167 - Document retention requirements.

Code of Federal Regulations, 2010 CFR

2010-04-01

... 20 Employees' Benefits 3 2010-04-01 2010-04-01 false Document retention requirements. 655.167... retention requirements. (a) Entities required to retain documents. All employers filing an Application for... retain the documents and records proving compliance with this subpart. (b) Period of required retention...

26 CFR 1.167(a)-8 - Retirements.

Code of Federal Regulations, 2011 CFR

2011-04-01

... income. Such distortion would result from the fact that the use of average useful life (and, accordingly... Internal Revenue INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY (CONTINUED) INCOME TAX (CONTINUED) INCOME TAXES (CONTINUED) Itemized Deductions for Individuals and Corporations § 1.167(a)-8 Retirements...

Association of the FAM167A-BLK region with systemic sclerosis.

PubMed

Ito, Ikue; Kawaguchi, Yasushi; Kawasaki, Aya; Hasegawa, Minoru; Ohashi, Jun; Kawamoto, Manabu; Fujimoto, Manabu; Takehara, Kazuhiko; Sato, Shinichi; Hara, Masako; Tsuchiya, Naoyuki

2010-03-01

An association of single-nucleotide polymorphisms (SNPs) in the FAM167A (previously referred to as C8orf13)-BLK region with systemic lupus erythematosus (SLE) has been demonstrated in Caucasians and in Asians. Recent studies have shown that many genes, including IRF5, STAT4, and PTPN22, are shared susceptibility genes in multiple autoimmune diseases. We undertook the current study to examine whether the FAM167A-BLK region is also associated with susceptibility to systemic sclerosis (SSc). Japanese patients with SSc (n = 309) and healthy controls (n = 769) were enrolled in a 2-tiered case-control association study. In tier 1, 124 patients and 412 controls were tested to determine association of 16 tag SNPs encompassing the FAM167A-BLK region with SSc. In tier 2, an additional 185 patients and 357 controls were analyzed for SNP rs13277113. Two haplotype blocks that correspond approximately to FAM167A and BLK were observed. In tier 1 of the study, the rs13277113A allele in the BLK block exhibited the most significant association with SSc after correction for multiple testing (permutated P = 0.024). Two SNP haplotypes formed by rs13277113 and the most significant SNP in the FAM167A block did not exhibit stronger association. When samples from tier 1 and tier 2 were combined, the rs13277113A allele was significantly associated with SSc (odds ratio 1.45 [95% confidence interval 1.17-1.79], P = 6.1 x 10(-4)). Association or a tendency toward association of rs13277113A with SSc was observed regardless of a patient's autoantibody profile or whether a patient had diffuse cutaneous or limited cutaneous SSc. Our findings indicate that the rs13277113A allele is associated not only with SLE but also with SSc and that the FAM167A-BLK region is a common genetic risk factor for both SLE and SSc.

Endothelin-1 stimulates catalase activity through the PKCδ mediated phosphorylation of Serine 167

PubMed Central

Rafikov, Ruslan; Kumar, Sanjiv; Aggarwal, Saurabh; Hou, Yali; Kangath, Archana; Pardo, Daniel; Fineman, Jeffrey R.; Black, Stephen M.

2013-01-01

Our previous studies have shown that endothelin-1 (ET-1) stimulates catalase activity in endothelial cells and lambs with acute increases in pulmonary blood flow (PBF), without altering gene expression. The purpose of this study was to investigate the molecular mechanism by which this occurs. Exposing pulmonary arterial endothelial cells (PAEC) to ET-1 increased catalase activity and decreased cellular hydrogen peroxide (H2O2) levels. These changes correlated with an increase in serine phosphorylated catalase. Using the inhibitory peptide δV1.1, this phosphorylation was shown to be PKCδ dependent. Mass spectrometry identified serine167 as the phosphorylation site. Site-directed mutagenesis was used to generate a phospho-mimic (S167D) catalase. Activity assays using recombinant protein purified from E.coli or transiently transfected COS-7 cells, demonstrated that S167D-catalase had an increased ability to degrade H2O2 compared to the wildtype enzyme. Using a phospho-specific antibody, we were able to verify that pS167 catalase levels are modulated in lambs with acute increases in PBF in the presence and absence of the ET receptor antagonist, tezosentan. S167 is being located on the dimeric interface suggesting it could be involved in regulating the formation of catalase tetramers. To evaluate this possibility we utilized analytical gel-filtration to examine the multimeric structure of recombinant wildtype- and S167D-catalase. We found that recombinant wildtype catalase was present as a mixture of monomers and dimers while S167D catalase was primarily tetrameric. Further, the incubation of wildtype catalase with PKCδ was sufficient to convert wildtype catalase into a tetrameric structure. In conclusion, this is the first report indicating that the phosphorylation of catalase regulates its multimeric structure and activity. PMID:24211614

34 CFR 668.167 - FFEL Program funds.

Code of Federal Regulations, 2010 CFR

2010-07-01

..., DEPARTMENT OF EDUCATION STUDENT ASSISTANCE GENERAL PROVISIONS Cash Management § 668.167 FFEL Program funds... limitations contained in paragraph (d) of this section. (f) An institution placed under the cash monitoring payment method. The Secretary may require an institution that is placed under the cash monitoring...

34 CFR 668.167 - FFEL Program funds.

Code of Federal Regulations, 2011 CFR

2011-07-01

..., DEPARTMENT OF EDUCATION STUDENT ASSISTANCE GENERAL PROVISIONS Cash Management § 668.167 FFEL Program funds... limitations contained in paragraph (d) of this section. (f) An institution placed under the cash monitoring payment method. The Secretary may require an institution that is placed under the cash monitoring...

46 CFR 167.65-60 - Examination of boilers and machinery by engineer.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 46 Shipping 7 2013-10-01 2013-10-01 false Examination of boilers and machinery by engineer. 167.65-60 Section 167.65-60 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL... machinery by engineer. It shall be the duty of an engineer when he assumes charge of the boilers and...

46 CFR 167.65-60 - Examination of boilers and machinery by engineer.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 46 Shipping 7 2014-10-01 2014-10-01 false Examination of boilers and machinery by engineer. 167.65-60 Section 167.65-60 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL... machinery by engineer. It shall be the duty of an engineer when he assumes charge of the boilers and...

46 CFR 167.65-60 - Examination of boilers and machinery by engineer.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 46 Shipping 7 2011-10-01 2011-10-01 false Examination of boilers and machinery by engineer. 167.65-60 Section 167.65-60 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL... machinery by engineer. It shall be the duty of an engineer when he assumes charge of the boilers and...

46 CFR 167.65-60 - Examination of boilers and machinery by engineer.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 46 Shipping 7 2012-10-01 2012-10-01 false Examination of boilers and machinery by engineer. 167.65-60 Section 167.65-60 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) NAUTICAL... machinery by engineer. It shall be the duty of an engineer when he assumes charge of the boilers and...

Effect of nitrogen on tensile properties and structures of T-111 (tantalum, 8 percent tungsten, 2 percent hafnium) tubing

NASA Technical Reports Server (NTRS)

Buzzard, R. J.; Metroka, R. R.

1973-01-01

The effect of controlled nitrogen additions was evaluated on the mechanical properties of T-111 (Ta-8W-2Hf) fuel pin cladding material proposed for use in a lithium-cooled nuclear reactor concept. Additions of 80 to 1125 ppm nitrogen resulted in increased strengthening of T-111 tubular section test specimens at temperatures of 25 to 1200 C. Homogeneous distributions of up to 500 ppm nitrogen did not seriously decrease tensile ductility. Both single and two-phase microstructures, with hafnium nitride as the second phase, were evaluated in this study.

Pyroelectric response in crystalline hafnium zirconium oxide (Hf 1- x Zr x O 2 ) thin films

DOE PAGES

Smith, S. W.; Kitahara, A. R.; Rodriguez, M. A.; ...

2017-02-13

Pyroelectric coefficients were measured for 20 nm thick crystalline hafnium zirconium oxide (Hf 1-xZr xO 2) thin films across a composition range of 0 ≤ x ≤ 1. Pyroelectric currents were collected near room temperature under zero applied bias and a sinusoidal oscillating temperature profile to separate the influence of non-pyroelectric currents. The pyroelectric coefficient was observed to correlate with zirconium content, increased orthorhombic/tetragonal phase content, and maximum polarization response. The largest measured absolute value was 48 μCm -2K -1 for a composition with x = 0.64, while no pyroelectric response was measured for compositions which displayed no remanent polarizationmore » (x = 0, 0.91, 1).« less

49 CFR 40.167 - How are MRO reports of drug results transmitted to the employer?

Code of Federal Regulations, 2011 CFR

2011-10-01

... 49 Transportation 1 2011-10-01 2011-10-01 false How are MRO reports of drug results transmitted to the employer? 40.167 Section 40.167 Transportation Office of the Secretary of Transportation PROCEDURES FOR TRANSPORTATION WORKPLACE DRUG AND ALCOHOL TESTING PROGRAMS Medical Review Officers and the Verification Process § 40.167 How are MRO reports...

46 CFR 167.65-60 - Examination of boilers and machinery by engineer.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 46 Shipping 7 2010-10-01 2010-10-01 false Examination of boilers and machinery by engineer. 167.65... SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Special Operating Requirements § 167.65-60 Examination of boilers and machinery by engineer. It shall be the duty of an engineer when he assumes charge of the boilers and...

33 CFR 167.350 - In the approaches to Galveston Bay Traffic Separation Scheme and precautionary areas.

Code of Federal Regulations, 2012 CFR

2012-07-01

... Bay Traffic Separation Scheme and precautionary areas. 167.350 Section 167.350 Navigation and... OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic Gulf Coast § 167.350 In the approaches to Galveston Bay Traffic Separation Scheme and...

33 CFR 167.350 - In the approaches to Galveston Bay Traffic Separation Scheme and precautionary areas.

Code of Federal Regulations, 2014 CFR

2014-07-01

... Bay Traffic Separation Scheme and precautionary areas. 167.350 Section 167.350 Navigation and... OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic Gulf Coast § 167.350 In the approaches to Galveston Bay Traffic Separation Scheme and...

33 CFR 167.350 - In the approaches to Galveston Bay Traffic Separation Scheme and precautionary areas.

Code of Federal Regulations, 2013 CFR

2013-07-01

... Bay Traffic Separation Scheme and precautionary areas. 167.350 Section 167.350 Navigation and... OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic Gulf Coast § 167.350 In the approaches to Galveston Bay Traffic Separation Scheme and...

33 CFR 167.350 - In the approaches to Galveston Bay Traffic Separation Scheme and precautionary areas.

Code of Federal Regulations, 2011 CFR

2011-07-01

... Bay Traffic Separation Scheme and precautionary areas. 167.350 Section 167.350 Navigation and... OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic Gulf Coast § 167.350 In the approaches to Galveston Bay Traffic Separation Scheme and...

33 CFR 167.350 - In the approaches to Galveston Bay Traffic Separation Scheme and precautionary areas.

Code of Federal Regulations, 2010 CFR

2010-07-01

... Bay Traffic Separation Scheme and precautionary areas. 167.350 Section 167.350 Navigation and... OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic Gulf Coast § 167.350 In the approaches to Galveston Bay Traffic Separation Scheme and...

Measurement of the 169Tm (n ,3 n ) 167Tm cross section and the associated branching ratios in the decay of 167Tm

NASA Astrophysics Data System (ADS)

Champine, B.; Gooden, M. E.; Krishichayan, Norman, E. B.; Scielzo, N. D.; Stoyer, M. A.; Thomas, K. J.; Tonchev, A. P.; Tornow, W.; Wang, B. S.

2016-01-01

The cross section for the 169Tm(n ,3 n ) 167Tm reaction was measured from 17 to 22 MeV using quasimonoenergetic neutrons produced by the 2H(d ,n ) 3He reaction. This energy range was studied to resolve the discrepancy between previous (n ,3 n ) cross-section measurements. In addition, the absolute γ -ray branching ratios following the electron-capture decay of 167Tm were measured. These results provide more reliable nuclear data for an important diagnostic that is used at the National Ignition Facility to estimate the yield of reaction-in-flight neutrons produced via the inertial-confinement-fusion plasma in deuterium-tritium capsules.

33 CFR 167.500 - In the approaches to Los Angeles-Long Beach Traffic Separation Scheme: General.

Code of Federal Regulations, 2010 CFR

2010-07-01

...-Long Beach Traffic Separation Scheme: General. 167.500 Section 167.500 Navigation and Navigable Waters... SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.500 In the approaches to Los Angeles-Long Beach Traffic Separation Scheme: General. The Traffic...

33 CFR 167.500 - In the approaches to Los Angeles-Long Beach Traffic Separation Scheme: General.

Code of Federal Regulations, 2013 CFR

2013-07-01

...-Long Beach Traffic Separation Scheme: General. 167.500 Section 167.500 Navigation and Navigable Waters... SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.500 In the approaches to Los Angeles-Long Beach Traffic Separation Scheme: General. The Traffic...

33 CFR 167.500 - In the approaches to Los Angeles-Long Beach Traffic Separation Scheme: General.

Code of Federal Regulations, 2014 CFR

2014-07-01

...-Long Beach Traffic Separation Scheme: General. 167.500 Section 167.500 Navigation and Navigable Waters... SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.500 In the approaches to Los Angeles-Long Beach Traffic Separation Scheme: General. The Traffic...

33 CFR 167.500 - In the approaches to Los Angeles-Long Beach Traffic Separation Scheme: General.

Code of Federal Regulations, 2012 CFR

2012-07-01

...-Long Beach Traffic Separation Scheme: General. 167.500 Section 167.500 Navigation and Navigable Waters... SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.500 In the approaches to Los Angeles-Long Beach Traffic Separation Scheme: General. The Traffic...

33 CFR 167.500 - In the approaches to Los Angeles-Long Beach Traffic Separation Scheme: General.

Code of Federal Regulations, 2011 CFR

2011-07-01

...-Long Beach Traffic Separation Scheme: General. 167.500 Section 167.500 Navigation and Navigable Waters... SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.500 In the approaches to Los Angeles-Long Beach Traffic Separation Scheme: General. The Traffic...

46 CFR 167.15-33 - Underwater Survey in Lieu of Drydocking (UWILD).

Code of Federal Regulations, 2011 CFR

2011-10-01

... SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Inspections § 167.15-33 Underwater Survey in Lieu of Drydocking... a drydock examination at alternating intervals if your vessel is— (1) Less than 15 years of age; (2...) Described in 46 CFR 167.15-30(a)(1) or (2). (b) For vessels less than 15 years of age, you must submit an...

46 CFR 167.15-33 - Underwater Survey in Lieu of Drydocking (UWILD).

Code of Federal Regulations, 2013 CFR

2013-10-01

... SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Inspections § 167.15-33 Underwater Survey in Lieu of Drydocking... a drydock examination at alternating intervals if your vessel is— (1) Less than 15 years of age; (2...) Described in 46 CFR 167.15-30(a)(1) or (2). (b) For vessels less than 15 years of age, you must submit an...

46 CFR 167.15-33 - Underwater Survey in Lieu of Drydocking (UWILD).

Code of Federal Regulations, 2012 CFR

2012-10-01

... SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Inspections § 167.15-33 Underwater Survey in Lieu of Drydocking... a drydock examination at alternating intervals if your vessel is— (1) Less than 15 years of age; (2...) Described in 46 CFR 167.15-30(a)(1) or (2). (b) For vessels less than 15 years of age, you must submit an...

46 CFR 167.15-33 - Underwater Survey in Lieu of Drydocking (UWILD).

Code of Federal Regulations, 2014 CFR

2014-10-01

... SCHOOLS PUBLIC NAUTICAL SCHOOL SHIPS Inspections § 167.15-33 Underwater Survey in Lieu of Drydocking... a drydock examination at alternating intervals if your vessel is— (1) Less than 15 years of age; (2...) Described in 46 CFR 167.15-30(a)(1) or (2). (b) For vessels less than 15 years of age, you must submit an...

46 CFR 167.43-15 - Shipboard stowage.

Code of Federal Regulations, 2010 CFR

2010-10-01

... Work Vests § 167.43-15 Shipboard stowage. (a) The approved buoyant work vests shall be stowed separately from the regular stowage of approved life preservers. (b) The locations for the stowage of work vests shall be such as not to be easily confused with that for approved life preservers. ...

Adeno-associated virus mediated delivery of Tregitope 167 ameliorates experimental colitis.

PubMed

van der Marel, Sander; Majowicz, Anna; Kwikkers, Karin; van Logtenstein, Richard; te Velde, Anje A; De Groot, Anne S; Meijer, Sybren L; van Deventer, Sander J; Petry, Harald; Hommes, Daniel W; Ferreira, Valerie

2012-08-28

To explore the anti-inflammatory potential of adeno-associated virus-mediated delivery of Tregitope 167 in an experimental colitis model. The trinitrobenzene sulfonate (TNBS) model of induced colitis was used in Balb/c mice. Subsequently after intravenous adeno-associated virus-mediated regulatory T-cell epitopes (Tregitope) delivery, acute colitis was initiated by intra-rectal administration of 1.5 mg TNBS in 40% ethanol followed by a second treatment with TNBS (0.75 mg in 20% ethanol) 8 d later. Control groups included mice not treated with TNBS (healthy control group) and mice treated by TNBS only (diseased group). At the time of sacrifice colon weight, the disease activity index and histology damage score were determined. Immunohistochemical staining of the colonic tissues was performed to asses the cellular infiltrate and the presence of transcription factor forkhead Box-P3 (Foxp3). Thymus, mesenteric lymph nodes, liver and spleen tissue were collected and the corresponding lymphocyte populations were further assessed by flow cytometry analysis for the expression of CD4+ T cell and regulatory T cell associated markers. The Tregitope 167 treated mice gained an average of 4% over their initial body weight at the time of sacrifice. In contrast, the mice treated with TNBS alone (no Tregitope) developed colitis, and lost 4% of their initial body weight at the time of sacrifice (P < 0.01). The body weight increase that had been observed in the mice pre-treated with Tregitope 167 was substantiated by a lower disease activity index and a decreased colon weight as compared to the diseased control group (P < 0.01 and P < 0.001, respectively). Immunohistochemical staining of the colonic tissues for CD4+ showed that inflammatory cell infiltrates were present in TNBS treated mice with or without administration with tregitope 167 and that these cellular infiltrates consisted mainly of CD4+ cells. For both TNBS treated groups CD4+ T cell infiltrates were observed in the sub

33 CFR 167.172 - Off Delaware Bay: Southeastern approach.

Code of Federal Regulations, 2013 CFR

2013-07-01

... SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.172 Off Delaware Bay: Southeastern...

33 CFR 167.172 - Off Delaware Bay: Southeastern approach.

Code of Federal Regulations, 2010 CFR

2010-07-01

... SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.172 Off Delaware Bay: Southeastern...

33 CFR 167.172 - Off Delaware Bay: Southeastern approach.

Code of Federal Regulations, 2012 CFR

2012-07-01

... SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.172 Off Delaware Bay: Southeastern...

33 CFR 167.172 - Off Delaware Bay: Southeastern approach.

Code of Federal Regulations, 2011 CFR

2011-07-01

... SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.172 Off Delaware Bay: Southeastern...

33 CFR 167.172 - Off Delaware Bay: Southeastern approach.

Code of Federal Regulations, 2014 CFR

2014-07-01

... SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.172 Off Delaware Bay: Southeastern...

Tribo-electrochemical characterization of hafnium multilayer systems deposited on nitride/vanadium nitride AISI 4140 steel

NASA Astrophysics Data System (ADS)

Mora, M.; Vera, E.; Aperador, W.

2016-02-01

In this work is presented the synergistic behaviour among corrosion/wear (tribocorrosion) of the multilayer coatings hafnium nitride/vanadium nitride [HfN/VN]n. The multilayers were deposited on AISI 4140 steel using the technique of physical vapor deposition PVD magnetron sputtering, the tests were performed using a pin-on-disk tribometer, which has an adapted potentiostat galvanostat with three-electrode electrochemical cell. Tribocorrosive parameters such as: Friction coefficient between the coating and the counter body (100 Cr6 steel ball); Polarization resistance by means of electrochemical impedance spectroscopy technique and corrosion rate by polarization curves were determined. It was observed an increase in the polarization resistance, a decrease in the corrosion rate and a low coefficient of friction in comparison with the substrate, due to an increase on the number of bilayers.

7 CFR 400.167 - Limitations on Corporation's obligations.

Code of Federal Regulations, 2013 CFR

2013-01-01

... 7 Agriculture 6 2013-01-01 2013-01-01 false Limitations on Corporation's obligations. 400.167... INSURANCE CORPORATION, DEPARTMENT OF AGRICULTURE GENERAL ADMINISTRATIVE REGULATIONS Reinsurance Agreement... Corporation's obligations. The Agreement will include the following among the limitations on the obligations...

7 CFR 400.167 - Limitations on Corporation's obligations.

Code of Federal Regulations, 2011 CFR

2011-01-01

... 7 Agriculture 6 2011-01-01 2011-01-01 false Limitations on Corporation's obligations. 400.167... INSURANCE CORPORATION, DEPARTMENT OF AGRICULTURE GENERAL ADMINISTRATIVE REGULATIONS Reinsurance Agreement... Corporation's obligations. The Agreement will include the following among the limitations on the obligations...

7 CFR 400.167 - Limitations on Corporation's obligations.

Code of Federal Regulations, 2012 CFR

2012-01-01

... 7 Agriculture 6 2012-01-01 2012-01-01 false Limitations on Corporation's obligations. 400.167... INSURANCE CORPORATION, DEPARTMENT OF AGRICULTURE GENERAL ADMINISTRATIVE REGULATIONS Reinsurance Agreement... Corporation's obligations. The Agreement will include the following among the limitations on the obligations...

7 CFR 400.167 - Limitations on Corporation's obligations.

Code of Federal Regulations, 2014 CFR

2014-01-01

... 7 Agriculture 6 2014-01-01 2014-01-01 false Limitations on Corporation's obligations. 400.167... INSURANCE CORPORATION, DEPARTMENT OF AGRICULTURE GENERAL ADMINISTRATIVE REGULATIONS Reinsurance Agreement... Corporation's obligations. The Agreement will include the following among the limitations on the obligations...

7 CFR 400.167 - Limitations on Corporation's obligations.

Code of Federal Regulations, 2010 CFR

2010-01-01

... 7 Agriculture 6 2010-01-01 2010-01-01 false Limitations on Corporation's obligations. 400.167... INSURANCE CORPORATION, DEPARTMENT OF AGRICULTURE GENERAL ADMINISTRATIVE REGULATIONS Reinsurance Agreement... Corporation's obligations. The Agreement will include the following among the limitations on the obligations...

Synthesis of High Symmetry Phase of Hafnium Dioxide Thin Films and Nickel Ferrite's Effect on Microstructure in Composite Heterostructure

NASA Astrophysics Data System (ADS)

Straka, Weston J.

Hafnium dioxide has attracted a great deal of attention recently due to its potential use in two different electronic applications: CMOS and FeRAM. In CMOS, the usefulness of hafnia comes in due to its high dielectric constant and compatibility with current IC processing parameters. For FeRAM, hafnia's recent discovery to exhibit ferroelectricity in an orthorhombic phase makes this material attractive for replacement of the ferroelectric material in FeRAM. This study shows the feasibility of depositing thin films of hafnium oxide via chemical solution deposition for integration into these devices. The processing parameters necessary to produce this phase show how non-equilibrium processing plays a role in its synthesis. The temperature necessary to achieve the high symmetry phase was at 725 °C for 3 minutes on sapphire, silicon, and coated silicon substrates. The thermal conductivity of each was viewed as the property that allowed the hafnia formation. The dielectric constant of the hafnia films were between 30 and 32 with low dissipation factors and up to 47 with a poor dissipation factor all at 1 kHz. The formation of this phase was shown to be thickness independent with the high symmetry phase existing up to 300 nm film thickness. Interfacing the hafnia film with nickel ferrite was also studied to identify the possibility of using this composite for non-destructive reading of FeRAM. The magnetic properties showed an unchanged nickel ferrite film but the interface between the two was poor leading to the conclusion that more work must be done to successfully integrate these two films.

Kc167, a widely used Drosophila cell line, contains an active primary piRNA pathway.

PubMed

Vrettos, Nicholas; Maragkakis, Manolis; Alexiou, Panagiotis; Mourelatos, Zissimos

2017-01-01

PIWI family proteins bind to small RNAs known as PIWI-interacting RNAs (piRNAs) and play essential roles in the germline by silencing transposons and by promoting germ cell specification and function. Here we report that the widely used Kc167 cell line, derived from Drosophila melanogaster embryos, expresses piRNAs that are loaded to Aub and Piwi. Kc167 piRNAs are produced by a canonical, primary piRNA biogenesis pathway, from phased processing of precursor transcripts by the Zuc endonuclease, Armi helicase, and dGasz mitochondrial scaffold protein. Kc167 piRNAs derive from cytoplasmic transcripts, notably tRNAs and mRNAs, and their abundance correlates with that of parent transcripts. The expression of Aub is robust in Kc167, that of Piwi is modest, while Ago3 is undetectable, explaining the lack of transposon-related piRNA amplification by the Aub-Ago3, ping-pong mechanism. We propose that the default state of the primary piRNA biogenesis machinery is random transcript sampling to allow generation of piRNAs from any transcript, including newly acquired retrotransposons. This state is unmasked in Kc167, likely because they do not express piRNA cluster transcripts in sufficient amounts and do not amplify transposon piRNAs. We use Kc167 to characterize an inactive isoform of Aub protein. Since most Kc167 piRNAs are genic, they can be mapped uniquely to the genome, facilitating computational analyses. Furthermore, because Kc167 is a widely used and well-characterized cell line that is easily amenable to experimental manipulations, we expect that it will serve as an excellent system to study piRNA biogenesis and piRNA-related factors. © 2016 Vrettos et al.; Published by Cold Spring Harbor Laboratory Press for the RNA Society.

33 CFR 167.401 - Off San Francisco: Precautionary area.

Code of Federal Regulations, 2010 CFR

2010-07-01

... SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.401 Off San Francisco: Precautionary area...

33 CFR 167.171 - Off Delaware Bay: Eastern approach.

Code of Federal Regulations, 2011 CFR

2011-07-01

... SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.171 Off Delaware Bay: Eastern approach...

33 CFR 167.174 - Off Delaware Bay: Precautionary area.

Code of Federal Regulations, 2012 CFR

2012-07-01

... SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.174 Off Delaware Bay: Precautionary area...

33 CFR 167.174 - Off Delaware Bay: Precautionary area.

Code of Federal Regulations, 2011 CFR

2011-07-01

... SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.174 Off Delaware Bay: Precautionary area...

33 CFR 167.402 - Off San Francisco: Northern approach.

Code of Federal Regulations, 2011 CFR

2011-07-01

... SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.402 Off San Francisco: Northern approach...

33 CFR 167.171 - Off Delaware Bay: Eastern approach.

Code of Federal Regulations, 2012 CFR

2012-07-01

... SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.171 Off Delaware Bay: Eastern approach...

33 CFR 167.174 - Off Delaware Bay: Precautionary area.

Code of Federal Regulations, 2010 CFR

2010-07-01

... SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.174 Off Delaware Bay: Precautionary area...

33 CFR 167.401 - Off San Francisco: Precautionary area.

Code of Federal Regulations, 2011 CFR

2011-07-01

... SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.401 Off San Francisco: Precautionary area...

33 CFR 167.174 - Off Delaware Bay: Precautionary area.

Code of Federal Regulations, 2013 CFR

2013-07-01

... SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.174 Off Delaware Bay: Precautionary area...

33 CFR 167.404 - Off San Francisco: Western approach.

Code of Federal Regulations, 2013 CFR

2013-07-01

... SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.404 Off San Francisco: Western approach...

33 CFR 167.404 - Off San Francisco: Western approach.

Code of Federal Regulations, 2014 CFR

2014-07-01

... SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.404 Off San Francisco: Western approach...

33 CFR 167.171 - Off Delaware Bay: Eastern approach.

Code of Federal Regulations, 2014 CFR

2014-07-01

... SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.171 Off Delaware Bay: Eastern approach...

33 CFR 167.404 - Off San Francisco: Western approach.

Code of Federal Regulations, 2012 CFR

2012-07-01

... SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.404 Off San Francisco: Western approach...

33 CFR 167.404 - Off San Francisco: Western approach.

Code of Federal Regulations, 2010 CFR

2010-07-01

... SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.404 Off San Francisco: Western approach...

33 CFR 167.402 - Off San Francisco: Northern approach.

Code of Federal Regulations, 2012 CFR

2012-07-01

... SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.402 Off San Francisco: Northern approach...

33 CFR 167.403 - Off San Francisco: Southern approach.

Code of Federal Regulations, 2011 CFR

2011-07-01

... SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.403 Off San Francisco: Southern approach...

33 CFR 167.171 - Off Delaware Bay: Eastern approach.

Code of Federal Regulations, 2013 CFR

2013-07-01

... SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Atlantic East Coast § 167.171 Off Delaware Bay: Eastern approach...

33 CFR 167.404 - Off San Francisco: Western approach.

Code of Federal Regulations, 2011 CFR

2011-07-01

... SECURITY (CONTINUED) PORTS AND WATERWAYS SAFETY OFFSHORE TRAFFIC SEPARATION SCHEMES Description of Traffic Separation Schemes and Precautionary Areas Pacific West Coast § 167.404 Off San Francisco: Western approach...