Materials Literature
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Abstract The “modified chlorite structure” forms by the dehydroxylation of the interlayer octahedral sheet of magnesian chlorite at around 500°C and results in a structure with a basal spacing near 27 Â (Brindley and Chang 1974). This process involves drastic textural modifications as indicated by gas adsorption exper…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCombined Effect of Phenoxy and Carboxylate Bridges on Magnetic Properties of a Series of Macrocyclic Dinickel(II) ComplexesKausik K. Nanda, Ramprasad Das, Laurence K. Thompson, Krishnan Venkatsubramanian, and Kamalaksha NagCite this: Inorg. Chem. 1994, 33, 25, 5934–5939Publi…
A series of immersion tests for eight high-alloy materials was performed in a variety of hydrofluoric acid (HF) environments. Solution strengths of 0.05%, 1%, 10%, 24%, and 48% HF were examined at 24°C, 50°C, and 76°C. Coupons of each alloy were exposed fully immersed in solution and partially exposed in the aerated v…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPreparation and Properties of Magnesium, Calcium, Strontium, and Barium Selenolates and TellurolatesDavid E. Gindelberger and John ArnoldCite this: Inorg. Chem. 1994, 33, 26, 6293–6299Publication Date (Print):December 1, 1994Publication History Published online1 May 2002Publ…
The objective of this research is to evaluate the possibility of enhanced metal precipitation inside algal biofilms. The pH environment surrounding microorganisms growing in biofilms is frequently different than the environment of the bulk liquid because products of metabolic reactions are limited in their ability to…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPhotoluminescence studies of lanthanide ion complexes of gold and silver dicyanides. 2. A new low dimensional solid state class for nonradiative excited state energy transferZerihun Assefa and Howard H. PattersonCite this: Inorg. Chem. 1994, 33, 26, 6194–6200Publication Date…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTQuantitative Relations between Glass Transition Temperatures and Thermodynamic Parameters for Various Materials: Molecular Design for Nonpolymeric Organic Dye Glasses with Thermal StabilityKatsuyuki NaitoCite this: Chem. Mater. 1994, 6, 12, 2343–2350Publication Date (Print):…
Variation in the nucleotide sequence of the B2 high-sulfur protein genes has not been reported previously. This paper reports 15 nucleotide substitutions in each of the genes for the B2A and B2C proteins and a length of polymorphism in the B2A gene which translates to the insertion/deletion of one 30-nucleotide repeat…
X-ray diffraction of black phosphorus and phosphorus-arsenic alloys with composition ${\mathrm{P}}_{1\mathrm{\ensuremath{-}}\mathit{x}}$${\mathrm{As}}_{\mathit{x}}$ (x=0.05,0.1) has been carried out with synchrotron radiation at low temperatures and high pressures. The first transition from the orthorhombic to the rho…
The glutamate mutase dependent on adenosylcobalamin (coenzyme B12) catalyzes the carbon skeleton rearrangement of (S)-glutamate to (2S,3S)-3-methylaspartate, the first step of the glutamate fermentation pathway of the anaerobic bacterium Clostridium cochlearium. The enzyme consists of two protein components, E, a dime…
J. Patel and R. B. Meyer [Phys. Rev. Lett. 58, 1538 (1987)] found an electro-optic effect in a cholesteric layer with a unidirectionally aligned helix axis, when an electric field was applied normal to it. The effect is flexoelectric in origin and exhibits a linear behavior in the electric field, at least for low fiel…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSolution Structure and Dynamics of Lanthanide Complexes of the Macrocyclic Polyamino Carboxylate DTPA-dien. NMR Study and Crystal Structures of the Lanthanum(III) and Europium(III) ComplexesSonya J. Franklin and Kenneth N. RaymondCite this: Inorg. Chem. 1994, 33, 25, 5794–58…
Abstract A new appraisal of radiation-induced defects (RID) in natural kaolinite, i.e., positive trapped holes on oxygen atoms, has been undertaken using Q-band EPR spectra, recorded at 93 K, of irradiated annealed and oriented kaolinite samples originating from various environments. Three different centers were ident…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis and Functionalization of Unsaturated Polyethylene: Poly(ethylene-co-1,4-hexadiene)T. C. Chung, H. L. Lu, and C. L. LiCite this: Macromolecules 1994, 27, 26, 7533–7537Publication Date (Print):December 1, 1994Publication History Published online1 May 2002Published in…
Abstract Polyethylene terephtyalate (PET) and high‐density polyethylene (HDPE) constitute a major portion of the thermoplastic materials currently being used in the packaging industry. Blends of HDPE/PET can be compatibilized by utilizing ester groups or terminal carboxyl and hydroxyl groups present in PET. An ethylen…
Abstract PC/ABS blends, encompassing the whole composition range between PC and ABS, were prepared by a Brabender‐like apparatus and compression molded in sheets. The analysis of processability, confirming the improved PC processability by ABS additions, was accomplished by the same apparatus used for the blend prepar…
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A cohort mortality study was conducted of 15,727 white men employed by the Los Alamos National Laboratory, a nuclear research and development facility. Some of the workers at this facility have been exposed to various forms of ionizing radiation and other potentially hazardous materials. These analyses focused on whol…
The interplay between the Mn interlayer coupling constant ${\mathit{n}}_{\mathrm{Mn}\mathrm{\ensuremath{-}}\mathrm{Mn}}$ and the thermal expansion has been investigated by means of thermal-expansion, specific-heat, and magnetization measurements. A linear relation between ${\mathit{n}}_{\mathrm{Mn}\mathrm{\ensuremath{…
Porous silicon superlattices (PSSs) are a novel type of siliconbased heterostructures, in which the porosity varies periodically with depth. The two different types of PSSs and their techniques of formation are described, as are their optical properties and an example of an application: a Fabry‐Perot‐type interference…