Boon K. Teo、Xiaobo Shi、Hong Zhang1993-09-01Inorganic Chemistry
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTClusters of clusters. 25. Synthesis and structure of a new [gold-silver]-38-metal-atom cluster [(Ph3P)14Au18Ag20Cl12]Cl2 and its implications with regard to intracavity chemistry on metal cluster surfacesBoon K. Teo, Xiaobo Shi, and Hong ZhangCite this: Inorg. Chem. 1993, 32…
Molecular Junctions and NanostructuresNanocluster Synthesis and ApplicationsSurface Chemistry and Catalysis
Ten‐Chin Wen、Chi‐Chang Hu、Yat‐June Li1993-09-01Journal of The Electrochemical Society
The Ni(II) and higher valence states redox behavior of Ni and Ni/PTFE deposited electrodes fabricated by electroless plating are compared using cyclic voltammetry and potentiodynamic techniques, for their ability to evolve O 2 and oxidize ethanol in 1 mol dm −3 KOH . In this study, a Ni/PTFE electrode formed in a 6 g…
Electrocatalysts for Energy ConversionConducting polymers and applicationsElectrochemical Analysis and Applications
S. Natansohn、A.E. Pasto、William J. Rourke1993-09-01Journal of the American Ceramic Society
The effect of surface oxygen concentration of silicon nitride powders on the properties of resulting ceramics was studied. A high‐purity silicon nitride powder was treated physically and chemically to modify its surface oxygen content. The resulting powders were hot‐pressed into dense ceramics using 6 wt% yttria as a…
Advanced ceramic materials synthesisSemiconductor materials and devicesMXene and MAX Phase Materials
Jean‐Noël Gorce、John W. Hellgeth、T. C. Ward1993-09-01Polymer Engineering and Science
Abstract The mechanical hysteresis of a polyether polyurethane thermoplastic elastomer was studied as a function of temperature, percent strain, and deformation energy. Hysteresis values remained small at low temperatures when the extent of the sample deformation did not disrupt the glassy matrix. This was readily evi…
Polymer Nanocomposites and PropertiesPolymer composites and self-healingStructural Engineering and Vibration Analysis
S.‐G. Baek、Jules J. Magda、S. Cementwala1993-09-01Journal of Rheology
All three viscometric functions are investigated as a function of shear rate for lyotropic solutions of hydroxypropyl cellulose (HPC). Through the use of m-cresol as the solvent, it was possible to investigate liquid crystal solutions at lower polymer volume fractions than have previously been studied for HPC. We find…
Advanced Cellulose Research StudiesPolysaccharides and Plant Cell WallsPolysaccharides Composition and Applications
Siegfried Schindler、Edward W. Castner、Carol Creutz 等 4 位作者1993-09-01Inorganic Chemistry
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTReductive quenching of the emission of trans-dioxo(1,4,8,11-tetramethyl-1,4,8,11-tetraazacyclotetradecane)osmium(VI) in waterSiegfried Schindler, Edward W. Castner Jr., Carol Creutz, and Norman SutinCite this: Inorg. Chem. 1993, 32, 20, 4200–4208Publication Date (Print):Sept…
Lanthanide and Transition Metal ComplexesElectrochemical Analysis and ApplicationsAnalytical Chemistry and Sensors
Lisa M. Lust、Oriol T. Valls、Chandan Dasgupta1993-09-01Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics
We conduct a numerical study of the dynamic behavior of a dense hard-sphere fluid by deriving and integrating a set of Langevin equations. The statics of the system is described by a free-energy functional of the Ramakrishnan-Yussouff form. We find that the system exhibits glassy behavior as evidenced through a stretc…
Phase Equilibria and ThermodynamicsMaterial Dynamics and PropertiesTheoretical and Computational Physics
Liqin Chen、Laurence K. Thompson、Santokh S. Tandon 等 4 位作者1993-09-01Inorganic Chemistry
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthetic, structural, and spectroscopic studies on copper(II), copper(I), and silver(I) complexes of a series of pyridazinophane and phthalazinophane macrocycles. Unusual extended metallocyclic structuresLiqin Chen, Laurence K. Thompson, Santokh S. Tandon, and John N. Brids…
Metal complexes synthesis and propertiesMagnetism in coordination complexesPorphyrin and Phthalocyanine Chemistry
Pradip K. Bhowmik、Haesook Han1993-09-01Macromolecules
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTFully aromatic liquid-crystalline polyesters of phenyl-substituted 4,4'-biphenols and 1,1'-binaphthyl-4,4'-diol with either 2-bromoterephthalic acid or 2-phenylterephthalic acidPradip K. Bhowmik and Haesook HanCite this: Macromolecules 1993, 26, 20, 5287–5294Publication Date…
Liquid Crystal Research AdvancementsAdvanced Polymer Synthesis and CharacterizationSynthesis and properties of polymers
Joachim Weis、Maria E. Alexianu、Günther Heide 等 4 位作者1993-09-01Journal of Neuropathology & Experimental Neurology
Renaut bodies (RB) are fusiform endoneurial structures preferentially found at sites of nerve entrapment, often occupying more than 30% of the cross-sectional area of a nerve fascicle. Their composition and significance, however, are still incompletely understood. In this study, further evidence for the link between t…
Textile materials and evaluations
Thomas Bieger、Joachim Maier、Rainer Waser1993-09-01Berichte der Bunsengesellschaft für physikalische Chemie
Abstract The optical absorption properties of Fe‐impurity centers in SrTiO 3 can be used to probe in‐situ the oxygen activity in the sample. The response of the absorbance upon a sudden change the oxygen partial pressure allows the precise investigation of the kinetics of oxygen incorporation (excorporation). In contr…
Ferroelectric and Piezoelectric MaterialsSemiconductor materials and devicesElectronic and Structural Properties of Oxides
Pedro Andreo、Joakim Medin、Alex F. Bielajew1993-09-01Medical Physics
The breakdown of Molière's multiple-scattering theory for short pathlengths occurring during Monte Carlo simulations with charged particles is demonstrated. It has been found that in certain conditions where the theory is assumed to be valid, significant distortions of the angular distribution occur that make the samp…
Radiation Therapy and DosimetryElectron and X-Ray Spectroscopy TechniquesRadiation Shielding Materials Analysis
Patrick J. Farmer、Touradj Solouki、Takako Soma 等 5 位作者1993-09-01Inorganic Chemistry
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDivergent pathways for the addition of dioxygen to sulfur in nickel cis-dithiolates: an isotopomeric analysisPatrick J. Farmer, Touradj Solouki, Takako Soma, David H. Russell, and Marcetta Y. DarensbourgCite this: Inorg. Chem. 1993, 32, 20, 4171–4172Publication Date (Print):…
Organic and Molecular Conductors Research
Hironobu Kunieda、Kazuyoshi Nakamura、Ulf Olsson 等 4 位作者1993-09-01The Journal of Physical Chemistry
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSpontaneous formation of reverse vesiclesHironobu Kunieda, Kazuyoshi Nakamura, Ulf Olsson, and Bjoern LindmanCite this: J. Phys. Chem. 1993, 97, 37, 9525–9531Publication Date (Print):September 1, 1993Publication History Published online1 May 2002Published inissue 1 September…
Porphyrin and Phthalocyanine ChemistryMolecular Junctions and NanostructuresSurface Chemistry and Catalysis
H. Hu、S. B. Krupanidhi1993-09-01Journal of Applied Physics
Electrical properties pertinent to memory applications of ferroelectrics are systematically characterized for multi-ion-beam reactive sputter deposited Pb(Zr0.5, Ti0.5)O3 thin films. The processing dependence of electrical properties of the films offers an opportunity for property modification. Low-energy oxygen ion b…
Ferroelectric and Piezoelectric MaterialsMultiferroics and related materialsAcoustic Wave Resonator Technologies
Woong Kil Choo、Hyo Jin Kim、Jae Ho Yang 等 7 位作者1993-09-01Japanese Journal of Applied Physics
The high-temperature phase of Pb(Mg 1/2 W 1/2 )O 3 , Pb(Co 1/2 W 1/2 )O 3 and Pb(Yb 1/2 Nb 1/2 )O 3 belongs to the space group Fm 3 m with the unit cell size of 2 a c ×2 a c ×2 a c where a c is the lattice parameter of the cubic perovskite unit cell. All these complex perovskites undergo phase transition into low-temp…
Ferroelectric and Piezoelectric MaterialsMultiferroics and related materialsAdvanced Condensed Matter Physics
Veena Tikare、Sung R. Choi1993-09-01Journal of the American Ceramic Society
The mode I, mode II, and combined mode I–mode II fracture behaviors of a coarse‐grained silicon nitride, a fine‐grained silicon nitride, and an alumina were investigated. These ceramics were fractured from two types of fracture initiating flaws: small surface flaws and large single edge precracks. The small surface fl…
Advanced ceramic materials synthesisMetal and Thin Film MechanicsNumerical methods in engineering
Keith E. Linder、Ying Wai Chan、J. Cyr 等 6 位作者1993-09-01Bioconjugate Chemistry
Several technetium-99 BATO (boronic acid adduct of technetium dioximes) complexes TcX(dioxime)3BR (X = Cl) that contain a boron cap R which bears a 2- or 4-nitroimidazole moiety have been prepared from either TcCl(dioxime)3 or from Tc(dioxime)3(mu-OH)SnCl3 [dioxime = dimethyl glyoxime (DMG) or cyclohexanedione dioxime…
Medical Imaging Techniques and ApplicationsLanthanide and Transition Metal ComplexesRadiopharmaceutical Chemistry and Applications
Andreas Sachse、Jens Leike、Georg L. RÖling 等 5 位作者1993-09-01Investigative Radiology
RATIONALE AND OBJECTIVES: The objective of the present investigation was to demonstrate a new method for the production of iopromide-carrying liposomes. We studied biodistribution and elimination behavior, as well as the computed tomography (CT) liver imaging properties. METHODS: Iopromide-containing liposomes were pr…
Nanoparticle-Based Drug DeliveryRNA Interference and Gene DeliveryInhalation and Respiratory Drug Delivery
M. Grinberg、Andreas Mandelis、K. Fjeldsted 等 4 位作者1993-09-01Physical review. B, Condensed matter
Experimental spectroscopic and time-resolved luminescence measurements of the ${\mathrm{Ti}}^{3+}$:${\mathrm{Al}}_{2}$${\mathrm{O}}_{3}$ crystalline system have been performed. The absorption and fluorescence spectra obtained have led to a reconsideration of prevailing theoretical models for the radiative relaxation p…
Luminescence Properties of Advanced MaterialsGlass properties and applicationsCrystal Structures and Properties