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Abstract Soil samples collected from 110 different sites in the Kyoto district, Japan, were analyzed quantitatively using X-ray fluorescence spectroscopy to predict unknown soil origins. More than 250 mg soil samples, ground to −100 + 200 mesh and pressed, were analyzed for Si, K, Ca, Ti, Fe, Rb and Sr with good repro…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXT113Cd Shielding Tensors of Monomeric Cadmium Compounds Containing Nitrogen Donor Atoms. 1. CP/MAS Studies on Cadmium Poly(pyrazolyl)borate Complexes Having N4 and N6 Coordination EnvironmentsAndrew S. Lipton, Scott S. Mason, Daniel L. Reger, and Paul D. EllisCite this: J. Am…
Abstract Computer simulation of twofold coordinated silicon and germanium atoms in solid silicon dioxide is performed in a cluster approach with various boundary conditions with the help of the quantumchemical MO method MNDO. Optical absorption and luminescence in the twofold coordinated atoms are found to disagree wi…
Abstract Na 2 B 2 Se 7 (I 2/a; a = 11,863(4) Å, b = 6,703(2) Å, c = 13,811(6) Å, β = 109,41(2)°; Z = 4); K 2 B 2 S 7 (I 2/a; a = 11,660(2) Å, β = 6,827(1) Å, c = 12,992(3) Å, β = 106,78(3)°; Z = 4) und K 2 B 2 Se 7 (I 2/a; a = 12,092(4) Å, b = 7,054(2) Å, c = 13,991(5) Å, β = 107,79(3)°; Z = 4) wurden durch Reaktion s…
Crevice corrosion of alloy 625 in both chlorinated and nonchlorinated American Society for Testing and Materials (ASTM) artificial ocean water was modeled. Secondary current and potential distributions as a function of crevice depth were obtained from the model using the following crevice initiation criteria ( i ) E <…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMolecular Dynamics Simulation of the Collapse of Poly(1,4-trans-butadiene) to Globule and to a Thin FilmYongjian Zhan and Wayne L. MatticeCite this: Macromolecules 1994, 27, 24, 7056–7062Publication Date (Print):November 1, 1994Publication History Published online1 May 2002P…
Highly porous silicon reacts with water vapor in the air to create images on photographic plates within seconds. It is demonstrated that this process, known as chemography, can be used diagnostically to reveal inhomogeneity in porous silicon layers that is not always detectable by optical or electron microscopy. It is…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMononuclear Barium Diketonate Polyamine Adducts. Synthesis, Structures, and Use in MOCVD of Barium TitanateRobin A. Gardiner, Douglas C. Gordon, Gregory T. Stauf, Brian A. Vaartstra, Robert L. Ostrander, and Arnold L. RheingoldCite this: Chem. Mater. 1994, 6, 11, 1967–1970Pu…
The incorporation of Zn^(2+) into tetrahedral framework positions of zeolites with the sodalite topology (SOD) is obtained by direct synthesis. The zincosilicates are characterized by thermal analyses, a Rietveld refinement of powder X-ray diffraction (XRD) data, and infrared \n(IR) and ^1H, ^(23)Na, ^(13)C, and ^…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTHeteroepitaxy of Syndiotactic Polypropylene with Polyethylene and HomoepitaxyM. Schumacher, A. J. Lovinger, P. Agarwal, J. C. Wittmann, and B. LotzCite this: Macromolecules 1994, 27, 23, 6956–6962Publication Date (Print):November 1, 1994Publication History Published online1…
Abstract This work focuses on the relationship between the morphology of filled rubbers and their behavior at small and large deformations. Composites were made from vinyl terminated polydimethylsiloxane (PDMS) and different fumed silicas. Filler concentration range was kept between 0 to 40 phr (parts of silica per hu…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTStudies on Aliphatic Portion of Coal Organic Materials Based on Ruthenium Ion Catalyzed OxidationSatoru Murata, K. U-esaka, Hirohiko Ino-ue, and Masakatsu NomuraCite this: Energy Fuels 1994, 8, 6, 1379–1383Publication Date (Print):November 1, 1994Publication History Publishe…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPt2+ vs. Pt4+ in AsS33- Solutions and Isolation of the Clusters [Pt(As3S5)2]2- and [Pt3(AsS4)3]3-. Observation of Unique Thioarsenate ligands and Pt-As BondsJun-Hong Chou and Mercouri G. KanatzidisCite this: Inorg. Chem. 1994, 33, 24, 5372–5373Publication Date (Print):Novemb…
P D Kingsley, J Palis; GRP2 proteins contain both CCHC zinc fingers and a cold shock domain., The Plant Cell, Volume 6, Issue 11, 1 November 1994, Pages 1522–15
Fat injection is being used for the correction of various soft-tissue defects. In this study, the manner of fat injection yielding the greatest transplant viability was examined. Autologous fat was obtained from the inguinal area of rats and subsequently reinjected to the nuchal region, an area naturally poor in subcu…
We present the technology and the performance of blue-light-emitting porous silicon devices. The devices are fabricated using porous silicon formation with UV-light applied. Furthermore, indium is electroplated into the pores, causing an increase of the quantum efficiency. The blue electroluminescence exhibits a peak…
Improved polar ( c ‐axis) oriented growth of fresnoite (Ba 2 TiSi 2 O 8 ) was observed for surface crystallization of a glass 33.3BaO· 16.7TiO 2 · 50SiO 2 (in mol%) due to ultrasonic surface treatment with an aqueous suspension of Ba 2 TiSi 2 O 8 , and an oriented film more than 50 μm in thickness was prepared. The ef…
The dynamical behavior of lyotropic ferronematic liquid crystals of potassium laurate, decanol (or decilamonium chloride), water, and ferrofluid is studied by means of optical techniques, under the influence of magnetic fields. Making use of interferometric measurements, three different processes, with typical charact…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTStructural and Magnetic studies on a Bromine-Bridged Copper(II) Dimer with 5,7-Dimethyl[1,2,4]triazolo[1,5-a]pyrimidineM. Angustias Romero, Juan M. Salas, Miguel Quiros, M. Purificacion Sanchez, Jose Romero, and Daniel MartinCite this: Inorg. Chem. 1994, 33, 24, 5477–5481Pub…
Abstract Results of experiments are compared to simulations of the performance of V 2 O 5 /γ‐alumina SCR catalyst used to remove nitrogen oxides from diesel exhausts. The kinetic model is based on Eley‐Rideal kinetics. Temperature programmed desorption (TPD) of the ammonia is used to evaluate adsorption/desorption par…