A New Technology for Producing Stabilized Foams Having Antimicrobial Activity
Action d'agents antimicrobiens dans des mousses de polyurethanne, polyester et PVC pour divers usages
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Neonatal skinfold thickness. Measurement and interpretation at or near term.
Skinfold thickness was measured at five sites in 750 infants. The study population was unselected except that twin pregnancies and the infants of diabetic mothers were excluded, and very preterm infants were under represented. A pilot study had indicated that skinfold measurement was most reproducible at the thigh sit…
The mechanisms of thermal degradation of polymethyl acrylate using pyrolysis gas chromatography mass spectrometry
Abstract The pyrolysis of polymethyl acrylate is reported with identification of the major pyrolysis products. The mechanism involving random homolytic scission of the chain followed by a series of intermolecular and intramolecular transfer reactions as proposed by Cameron and Kane and extended by Haken, Ho, and Hough…
Thermomechanical behavior of modified asphalts
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThermomechanical behavior of modified asphaltsVikas M. Nadkarni, Arun V. Shenoy, and Johnson MathewCite this: Ind. Eng. Chem. Prod. Res. Dev. 1985, 24, 3, 478–484Publication Date (Print):September 1, 1985Publication History Published online1 May 2002Published inissue 1 Septe…
Application and Characteristics of Conducting Polymer as Radiation Shielding Material
Conducting polymers with high electrical conductivity like doped polypyrrole are used successfully as radiation shielding meterials. They are especially effective to shield an electric field with an attenuation higher than 30 dB in the range of 3 MHz–300 MHz with doped polypyrrole of 35 µ thickness, bu not effective f…
Polymorphism in metoclopramide hydrochloride and metoclopramide
Metoclopramide hydrochloride (MCPHCl.H2O) and metoclopramide base (MCP) have been studied by DSC, thermomicroscopy, X-ray diffraction and infrared spectroscopy. MCPHCl.H2O does not readily lose water of crystallization either from the solid state or from the melt, but depending on the conditions, dehydration can give…
Measurement of rotational power losses in silicon-Iron sheets using wattmeter method
Development of a rotational power loss measuring system based on the wattmeter method for a single Epstein strip and a brief discussion of magnetization processes of Si-Fe sheets under the rotational magnetizing condition are described. The pick-up coil system has a configuration with a flux search coil sandwiched by…
Experiments on a Ceramic Electrolysis Cell and a Palladium Diffuser at the Tritium Systems Test Assembly
A ceramic electrolysis cell and a palladium diffuser have been developed in Japan and tested with tritium at the Tritium Systems Test Assembly (TSTA) at the Los Alamos National Laboratory, to test their feasibility as possible upgrades for the fuel cleanup system (FCU). The ceramic electrolysis cell, made of stabilize…
Optical properties of pyrromethene derivatives. Possible excited-state deactivation through proton tunneling
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTOptical properties of pyrromethene derivatives. Possible excited-state deactivation through proton tunnelingJ. A. Pardoen, J. Lugtenburg, and G. W. CantersCite this: J. Phys. Chem. 1985, 89, 20, 4272–4277Publication Date (Print):September 1, 1985Publication History Published…
Electronic and structural properties of a reactive metalloporphyrin with N-oxide axial ligands. Crystal and molecular structure of bis(2,6-lutidine N-oxide)(tetraphenylporphinato)manganese(III) perchlorate
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTElectronic and structural properties of a reactive metalloporphyrin with N-oxide axial ligands. Crystal and molecular structure of bis(2,6-lutidine N-oxide)(tetraphenylporphinato)manganese(III) perchlorateCraig L. Hill and Michael W. WilliamsonCite this: Inorg. Chem. 1985, 2…
Interaction of Hydrogen Isotopes with Stainless Steel 316 L
The parameters of gas-metal interaction solubility S, diffusivity D and permeability of protium and deuterium in stainless steel 316L have been determined in the temperature range from 600 to 900 K and in the pressure range from 102 to 105 Pa. The results can be presented by: where KS (Sieverts’ constant) is given in…
Optical modulation spectroscopy of amorphous semiconductors
Basic characteristics of photomodulation spectroscopy are discussed. The method is applied to studying the band-tail states in a-Si:H and a-Ge:H, and the dangling-bond states in irradiated a-Si:H, trans-(CH)x, and chalcogenide glasses.
Neue Zintlphasen: Ba3GaSb3, Ca3GaAs3 und Ca3InP3 / On New Zintlphases: Ba3GaSb3, Ca3GaAs3 und Ca3InP3
The new compounds Ca 3 GaAs 3 and Ca 3 InP 3 crystallize in the orthorhombic system, space group Pnma (No. 62) with the lattice constants Ca 3 GaAs 3 : a = 1217.1(5) pm, b = 419.7(2) pm, c = 1341.4(5) pm; Ca 3 InP 3 : a = 1201.9(5) pm, b = 413.8(2) pm, c = 1346.0(5) pm. In the structures distorted GaAs 4 - and InP 4 -…
Free Radicals Produced from the Derivatives of Pyrylium Salts in Solution by Photoillumination
Abstract The photoreactions of 2,4,6-triphenyl- (TPP), 2-t-butyl-4,6-diphenylpyrylium (2BDPP) and 2,4,6-triphenylthiopyrylium (TPTP) salts in tetrahydrofuran (THF) and/or 1,2-dimethoxyethane were investigated. Photoproducts were identified to be pyranyl radicals on the basis of photochemical behavior and ESR spectra.…
Studies of reactions with polymers. I. The reaction of maleic anhydride with PVA and the properties of the resultant
Abstract Graft copolymerization of maleic anhydride (MA) onto PVA was carried out both in the presence and absence of the initiator. In the former case, the resultant was a copolymer containing a carboxylic acid and a keto‐olefinic side chain. Therefore, the reaction product, viscosity, gel content, and mechanical pro…
Use of Metal Hydrides for Handling Tritium
Savannah River Laboratory is developing new technology to improve the safety, reliability, and flexibility of processing tritium at the Savannah River Plant. This technology, based on metal hydrides, will also decrease the equipment size. The LaNi5-xAlx series of alloys is used for tritium storage applications and pal…
Further evidence for free electrons as dominating the behavior of electrochromic polycrystalline WO3 films
The results of two types of experiments on electrochromic (poly)crystalline films of rf sputtered WO3 are presented as additional new evidence that the behavior (especially scattering) of the free electrons plays a dominant role in the electrochromic properties of such films.
Procedures for determining the neutralizing capacity of wood during hydrolysis with mineral acid solutions
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTProcedures for determining the neutralizing capacity of wood during hydrolysis with mineral acid solutionsEdward L. Springer and John F. HarrisCite this: Ind. Eng. Chem. Prod. Res. Dev. 1985, 24, 3, 485–489Publication Date (Print):September 1, 1985Publication History Publish…
A Multivariate Method of Classif in Bod Form Variation for Sizing Women's Apparel
The purpose of this study was to develop a multivariate method for structuring a sizing system for women's apparel. The I 977 suvey of U.S. Army women was the data base. The sample was limited to 1217 subjects who were White or Black and 17-3 5 years old. The methodology underlying PS 42-70, the current U.S. sizing st…
Reversible Reduction and Reoxidation of Entire Thin Films of Octacyanophthalocyanine
The electrochemical properties of solid films of Mt‐2,3,9,10,16,17,23,24‐octacyanophthalocyanine 2 were studied by cyclic voltammetry in aqueous electrolytes. The thin (10–100 nm) film electrodes show remarkably stable electrochromic redox behavior, and the charge exchanged in the cathodic and anodic waves, respective…