I Made Arcana、O Giani‐Beaune、Rossitza Schué 等 6 位作者2002-10-01Polymer International
Abstract In this study, we have prepared predominantly syndiotactic poly([ R,S ]‐β‐hydroxybutyrate) using different distannoxane catalyst systems (1‐hydroxy‐3‐chlorotetrabutyldistannoxane, 1‐ethoxy‐3‐chlorotetrabutyldistannoxane, 1,3‐dichlorotetrabutyldistannoxane, and dibutyltin oxide). Copolymers poly([ R,S ]‐β‐hydr…
biodegradable polymer synthesis and propertiesMicroplastics and Plastic PollutionCarbon dioxide utilization in catalysis
Tom L. Burgess、Andrew Gibson、Saul J. Furstein 等 4 位作者2002-10-01Environmental Progress
Abstract A combined sorption/catalytic process has been discovered that converts the methanol and mercaptans in Kraft pulp mill waste gas condensates into formaldehyde. A pilot plant was operated at Georgia‐Pacific's Brunswick, GA, mill for two years to optimize both sorbents and catalyst. Patents were issued. Applica…
Catalytic Processes in Materials ScienceLignin and Wood ChemistrySustainable Industrial Ecology
Masami Ohtsubo、K Egashira、Hiroyuki Tanaka 等 4 位作者2002-10-01Marine Georesources and Geotechnology
Clay mineral composition and geotechnical index properties of marine clays collected from Singapore, Korea, and Japan were investigated, and the correlation of clay mineral composition with the consistency limits and activity of the clays was examined. Predominant clay minerals were kaolinite for Singapore clay, kaoli…
Soil and Unsaturated FlowClay minerals and soil interactionsGeotechnical and construction materials studies
F. Langmaier、M. Mládek、Karel Kolomaznı́k 等 4 位作者2002-10-01International Journal of Cosmetic Science
Long cattle tendons were enzymatically disposed of lipoid and accompanying nitrogenous substances. Collagenous hydrolysate of average molecular mass M(a) = 0.830 +/- 1.206 kDa, suitable for application in skin and hair-care preparations, was obtained through hydrolysis by commercial protease (Bacillus subtilis) under…
Protein Hydrolysis and Bioactive PeptidesEnzyme Production and CharacterizationCollagen: Extraction and Characterization
R. Hart、Matthew A. Anspach、Brian J. Kraft 等 9 位作者2002-10-01Chemistry of Materials
We present combined results of optical, scattering, and spectroscopic studies of (K 2 O) 15 (Nb 2 O 5 ) 15 (TeO 2 ) 70 glass and glass ceramic and comment on possible mechanisms of the optical behavior in terms of existing theory. The glass ceramic is confirmed to generate second-harmonic light. Combined neutron and X…
Glass properties and applicationsCrystal Structures and PropertiesNuclear materials and radiation effects
Genta Harada、Hiromi Sakurai、Michio M. Matsushita 等 5 位作者2002-10-01Chemistry Letters
Abstract π-Radical thiol-derivatized gold nano-particles with the average diameter of 4.1 nm were isolated, and about one hundred π-radical ligands were found to be chemisorbed on the nano-particle. The solid sample of the nano-particles showed an extremely broadened ESR signal with the peak-to-peak derivative line wi…
Electrocatalysts for Energy ConversionGold and Silver Nanoparticles Synthesis and ApplicationsMolecular Junctions and Nanostructures
María C. Pramparo、Sean Gregory、M. Mattea2002-10-01Journal of the American Oil Chemists Society
Abstract The influence of the two contact modes, percolation and immersion, during the extraction of oilseeds by means of a solvent are presented. Experiments were performed in lab‐scale equipment with soybean flakes, arranged in beds that reproduce these two contact modes. The extractions were carried out with hexane…
Surface Modification and SuperhydrophobicityProteins in Food SystemsPickering emulsions and particle stabilization
Futian Liu、Jianfu Ding、Mei Li 等 6 位作者2002-10-01Macromolecular Rapid Communications
Highly fluorinated poly(ether sulfone)s were prepared by a modified polycondensation technique, using a molecular sieve dehydrating apparatus in order to efficiently remove water under mild conditions. Consequently, side reactions were minimized, which resulted in the formation of polymers free of microgels. This reac…
Carbon dioxide utilization in catalysisSynthesis and properties of polymersSilicone and Siloxane Chemistry
Д. П. Иванов、В. И. Соболев、Larisa V. Pirutko 等 4 位作者2002-10-01Advanced Synthesis & Catalysis
The synthesis of dihydroxybenzenes (DHB) via the gas-phase oxidation of phenol with nitrous oxide in the presence of benzene was studied. Addition of benzene to the feed mixture greatly improves the selectivity and catalytic stability of the Fe-containing ZSM-5 zeolite, that was previously considered to be a main obst…
Catalytic Processes in Materials ScienceCatalysis and Oxidation ReactionsOxidative Organic Chemistry Reactions
Anna Maria Salvi、Rachele Pucciariello、Maria Rachele Guascito 等 5 位作者2002-10-01Surface and Interface Analysis
Abstract In the rubber industry, especially tyre production, the most widely used elastomer is styrene–butadiene rubber (SBR) in which the styrene units generally are present at 25 wt.%. The unit repeats are random distributed along the macromolecular chains and the configuration of the butadiene units is mostly 1,4‐…
Corrosion Behavior and InhibitionPolymer Nanocomposites and PropertiesElectron and X-Ray Spectroscopy Techniques
Javad Abolfazli Esfahani2002-10-01Combustion Science and Technology
The transient, one-dimensional, thermally thick, noncharring solid material version of a numerical thermal degradation model is used to analyze the thermal degradation process of poly(methyl methacrylate) when subjected to a radiation source from a graphite plate. A theory is developed to account for oxygen-sensitive…
Radiation Shielding Materials AnalysisThermal and Kinetic AnalysisPolymer Nanocomposite Synthesis and Irradiation
Xi Yang、J. E. Castle2002-10-01Surface and Interface Analysis
Abstract This paper reports in situ atomic force microscopy (AFM) and SEM studies of the corrosion of duplex stainless steels. The results showed selective dissolution of the duplex structure, with one rapidly dissolving phase and one slowly dissolving phase. Electron probe microanalysis (EPMA) measurements showed tha…
Corrosion Behavior and InhibitionHydrogen embrittlement and corrosion behaviors in metalsConcrete Corrosion and Durability
Fernando Cámara、L. A. J. Garvie、Bertrand Devouard 等 5 位作者2002-10-01American Mineralogist
The structure of tuperssuatsiaite from the Aris phonolite in central Namibia was refined to an R index of 0.075 for 905 observed reflections [I > 2σ(I)] obtained with a four-circle X-ray diffractometer. Tuperssuatsiaite is monoclinic, C2/m, with a = 14.034(7), b = 17.841(7), c = 5.265(2) Å, and β = 103.67(4)°. Micr…
Geological and Geochemical AnalysisCrystal Structures and PropertiesClay minerals and soil interactions
Seiichi Taguchi、Hiromi Matsusaki、Ken’ichiro Matsumoto 等 6 位作者2002-10-01Polymer International
Abstract Based on the metabolic pathways for polyhydroxyalkanoate (PHA) biosynthesis, we succeeded in establishing the recombinant Pseudomonas sp 61‐3 strains that synthesize random copolyesters consisting of ( R )‐3‐hydroxybutyrate (3HB) and ( R )‐medium‐chain‐length 3‐hydroxyalkanoate (mcl‐3HA) units, P(3HB‐ co ‐3HA…
Enzyme Catalysis and Immobilizationbiodegradable polymer synthesis and propertiesMicrobial Metabolic Engineering and Bioproduction
Kristopher Matthews、Brett A. Cruden、Bin Chen 等 5 位作者2002-10-01Journal of Nanoscience and Nanotechnology
Plasma-enhanced chemical vapor deposition is used to grow vertically aligned multiwalled carbon nanofibers (MWNFs). The graphite basal planes in these nanofibers are not parallel as in nanotubes; instead they exhibit a small angle resembling a stacked cone arrangement. A parametric study with varying process parameter…
Carbon Nanotubes in CompositesGraphene research and applicationsDiamond and Carbon-based Materials Research
Chia‐Min Yang、Kuei‐Jung Chao2002-10-01Journal of the Chinese Chemical Society
Abstract This review describes the chemistry of the formation and functionalization of molecularly templated mesoporous silica, as well as applications of functionalized mesoporous silica. The functionalization can be selectively placed on the internal or external surfaces, or even within the pore walls of mesoporous…
Catalytic Processes in Materials ScienceMesoporous Materials and Catalysis
Kazuyuki Takahashi、Hiroaki Tanioka、Hiroyuki Fueno 等 5 位作者2002-10-01Chemistry Letters
Abstract New families of extended tris-fused TTFs, in which aromatic rings are inserted, have been synthesized. Cyclic voltammetry and theoretical calculation of them indicate electronic structure of the furan and thiophene derivatives may be regarded as tris-fused TTFs, whereas the benzene derivative as a dimeric (2-…
Magnetism in coordination complexesCrystallography and molecular interactionsOrganic and Molecular Conductors Research
A. Gaudreau、Patrick Picher、L. Bolduc 等 4 位作者2002-10-01IEEE Transactions on Power Delivery
Tests were conducted on several transformers rated at 100 kVA or less and on a power transformer rated 370 MVA in an effort to characterize the no-load losses and magnetizing resistance for transformers subjected to overexcitation and inrush current. Analysis of the results revealed that the magnetizing resistance cha…
Magnetic Properties and ApplicationsPower Transformer Diagnostics and InsulationNon-Destructive Testing Techniques
Farshid Raissi、M.M. Far2002-10-01IEEE Sensors Journal
Presents the first experimental results on PtSi/porous Si Schottky detectors. Si pores have been filled by Pt through electrodeposition. Under proper temperature treatment, Pt reacts with Si creating a PtSi layer that uniformly covers the walls of the pores. The excess unreacted Pt inside the pores is etched away leav…
Semiconductor materials and devicesSilicon Nanostructures and PhotoluminescenceSemiconductor materials and interfaces
María L. Arnal、Edgar Cañizales、Alejandro J. Müller2002-10-01Polymer Engineering and Science
Abstract Blends of very low density polyethylene (VLDPE) and high density polyethylene (HDPE) were prepared by melt extrusion. These blends exhibit a tendency to phase segregate when they are slow cooled from the melt. If they are cooled at increasingly faster rates, a finite population of co‐crystals can be isolated…
Polymer crystallization and propertiesPolymer Nanocomposites and Propertiesbiodegradable polymer synthesis and properties