Documentation for the Machine-readable Version of the 0.2-A Resolution Far-ultraviolet Stellar Spectra Measured with COPERNICUS

The spectra described represent a subset comprising data for 60 O- and B-type stars. The tape contains data in the spectral region lamda lamda 1000-1450 A with a resolution of 0.2 A. The magnetic tape version of the data is described

(1S)-1-phenylethanaminium 4-{[(1S,2S)-1-hydroxy-2,3-dihydro-1H,1'H-[2,2'-biinden]-2-yl]methyl}benzoate

Copyright 2012 © International Union of Crystallography.The title molecular salt, C8H12N+·C26H21O3-, contains a dimeric indane pharmacophore that demonstrates potent anti-inflammatory activity. The indane group of the anion exhibits some disorder about the [alpha]-C atom, which appears common to many structures containing this group. A model to account for the slight disorder was attempted, but this was deemed unsuccessful because applying bond-length constraints to all the bonds about the [alpha]-C atom led to instability in the refinement. The absolute configuration was determined crystallographically as S,S,S by anomalous dispersion methods with reference to both the Flack parameter and Bayesian statistics on Bijvoet differences. The configuration was also determined by an a priori knowledge of the absolute configuration of the (1S)-1-phenylethanaminium counter-ion. The molecules pack in the crystal structure to form an infinite two-dimensional hydrogen-bond network in the (100) plane of the unit cell

Adsorption Studies on Evaporated Metal Films

The adsorption of hydrogen on evaporated nickel films has been studied under a variety of experimental conditions. It has been shown that, in comparison to the uptake of hydrogen on a vacuum deposited film, enhancement of the amount of hydrogen adsorbed can be achieved by depositing the metal film in the presence of the adsorbate. Some such slight degree of enhancement is observed at 273 K, but this is very much more marked at 77 K. At this low temperature, uptakes approaching one hydrogen atom adsorbed per nickel atom have been observed. The phenomenon can be explained by postulating that, in the case of a vacuum deposited film, the nickel atoms in the bulk of the structure are capable of adsorbing hydrogen but do not do so simply because hydrogen does not have access to them; in the case of a film formed in the presence of hydrogen, on the other hand, the gas has the opportunity to be adsorbed on each nickel atom as it is deposited. It is thought that the absence of greatly enhanced adsorption on films deposited in hydrogen at 273 K is due to the fact that both the adsorbed hydrogen and the nickel atoms are mobile at that temperature, and thermal movement of both species leads to elimination of hydrogen from the internal surfaces of the structure. The manner in which the hydrogen held by a film deposited at 77 K is released from its state of enhanced adsorption as the temperature rises has been studied. This has shown that the additional amount of hydrogen which is adsorbed when the temperature is decreased has reached a saturation value at a temperature above 77 K, and consequently that the measurements made at liquid nitrogen temperature have a fundamental significance as being the maximum possible. To gain information as to the manner in which the hydrogen is held by the nickel, exchange experiments have been carried out. Using tritium labelled hydrogen as the adsorbate, a radioactive tracer technique has been developed to study its exchange with gas phase inactive hydrogen. It has been found that a quantity of hydrogen equivalent to 0. 6 hydrogen atom per metal atom does not take part in the exchange process. Similar adsorption and exchange experiments have been carried out on palladium films for comparison purposes. These have shown that, although hydrogen sorption occurs to a greater extent on palladium than on nickel (owing to an additional mode of incorporation of hydrogen in palladium for which access of the adsorbate is not rate determining), the non-exchangeable ratio is still 0.6. This figure is significant in that it is in excellent agreement with the amount of hydrogen which, if bonded to the d-band of either metal, would exactly fill the electron vacancies there. It is suggested that the total filling of the d-band with electrons from the hydrogen in this way results in the absence of a type C chemisorbed component to act as an intermediate in exchange. The extent of the present work has not enabled any definite conclusions to be drawn as to the manner in which the exchangeable hydrogen is held by the metal, but experimental observations have led to the elimination of certain possibilities (i. e. physical adsorption and type C chemisorption to the d-band) as being unlikely

The Gault Decision and Probation Services

Symposium on Juvenile Problems: In re Gaul

Staying Neutral: How Washington State Courts Should Approach Negligent Supervision Claims Against Religious Organizations

The torts of negligent hiring, supervision, and retention place a duty on employers to prevent their employees from using the places, things, or tasks entrusted to them to harm foreseeable victims. The negligent employment torts create an independent duty under which plaintiffs may pursue an action when suits brought under a vicarious liability or breach of fiduciary duty theory would fail. For victims of sexual misconduct by religious leaders, negligent supervision claims against religious organizations are a crucial means of remedying serious and lasting injuries. Washington state law recognizes negligent supervision, and Washington courts have applied it to religious organizations, but these claims typically implicate First Amendment religious freedom concerns. A short series of Washington appellate cases affirming grants of summary judgment to religious organization defendants on First Amendment grounds has made it more difficult for plaintiffs to assert negligent supervision claims against religious entities. This Comment argues that Washington courts have granted religious organizations an impermissibly broad level of First Amendment protection from claims of negligent supervision, and suggests a more deliberate analytical framework for evaluating the constitutionality of such claims

Study of aerodynamic technology for single-cruise-engine VSTOL fighter/attack aircraft, phase 1

A conceptual design and analysis on a single engine VSTOL fighter/attack aircraft is completed. The aircraft combines a NASA/deHavilland ejector with vectored thrust and is capable of accomplishing the mission and point performance of type Specification 169, and a flight demonstrator could be built with an existing F101/DFE engine. The aerodynamic, aero/propulsive, and propulsive uncertainties are identified, and a wind tunnel program is proposed to address those uncertainties associated with wing borne flight

Security Proof for Quantum Key Distribution Using Qudit Systems

We provide security bounds against coherent attacks for two families of quantum key distribution protocols that use $d$-dimensional quantum systems. In the asymptotic regime, both the secret key rate for fixed noise and the robustness to noise increase with $d$. The finite-key corrections are found to be almost insensitive to $d\lesssim 20$.Comment: 5 pages, 1 figure, version 3 corrects equations (9) and (11), and slightly modifies the figure to reflect the change to equation (11

Soil property estimation using visible and near-infrared reflectance

Title from PDF of title page (University of Missouri--Columbia, viewed on September 18, 2012).The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file.Thesis advisor: Dr. Kenneth A. SudduthIncludes bibliographical references.M.S. University of Missouri--Columbia 2012."May 2012"Site-specific management of crop production systems holds promise for maintaining high yields while preserving soil quality. This management requires detailed spatial data on soil physical and chemical characteristics but traditional testing can be slow and expensive. Recently, sensor-based approaches including reflectance spectroscopy have been proposed as alternatives for quicker, easier soil analysis. The objectives of this study were to investigate the soil property estimation capabilities of reflectance sensing with a spectrometer and with a mobile two-band sensor. In the spectrometer evaluation using profile (to 1 m) samples collected from 32 plots with varying soil characteristics, several important soil quality properties were successfully estimated. Highest accuracy was for dried and ground soil samples which had an R2 of 0.97 and 0.91 for total carbon and nitrogen, respectively. Results with field-moist soil were nearly as accurate, showing that this may be a viable, and more efficient, option. The mobile two-band sensor was evaluated in two central Missouri production fields. It showed good accuracy (R2 = 0.75) for estimating soil organic carbon (SOC) with 20 in-field calibration points. However, this accuracy was not maintained when calibration equations were applied in full-field mapping. Laboratory data collection showed that a sensor with different wavelength bands might provide more accurate results, but this would need to be verified with a wider range of soils

Lack of involvement of known DNA methyltransferases in familial hydatidiform mole implies the involvement of other factors in establishment of imprinting in the human female germline

BACKGROUND: Differential methylation of the two alleles is a hallmark of imprinted genes. Correspondingly, loss of DNA methyltransferase function results in aberrant imprinting and abnormal post-fertilization development. In the mouse, mutations of the oocyte-specific isoform of the DNA methyltransferase Dnmt1 (Dnmt1o) and of the methyltransferase-like Dnmt3L gene result in specific failures of imprint establishment or maintenance, at multiple loci. We have previously shown in humans that an analogous inherited failure to establish imprinting at multiple loci in the female germline underlies a rare phenotype of recurrent hydatidiform mole. RESULTS: We have identified a human homologue of the murine Dnmt1o and assessed its pattern of expression. Human DNMT1o mRNA is detectable in mature oocytes and early fertilized embryos but not in any somatic tissues analysed. The somatic isoform of DNMT1 mRNA, in contrast, is not detectable in human oocytes. In the previously-described family with multi-locus imprinting failure, mutation of DNMT1o and of the other known members of this gene family has been excluded. CONCLUSIONS: Mutation of the known DNMT genes does not underlie familial hydatidiform mole, at least in the family under study. This suggests that trans-acting factors other than the known methyltransferases are required for imprint establishment in humans, a concept that has indirect support from recent biochemical studies of DNMT3L