Masataka Hidaka、Hiroshi UJITA2001-09-01Journal of Nuclear Science and Technology
The debris coolability analysis module in the severe accident analysis code ‘SAMPSON’ has been enhanced to predict more mechanistically the safety margin of present reactor pressure vessels in a severe accident. The module calculates debris three-dimensional natural convection with simultaneous spreading, melting and…
Nuclear reactor physics and engineeringNuclear Materials and PropertiesNuclear and radioactivity studies
Michael T. Postek、András Vládar、Oliver C. Wells 等 4 位作者2001-09-01Scanning
Scanning electron microscopes (SEMs) are the most extensively used tools for dimensional metrology and defect inspection for integrated circuit technologies with 180 nm and smaller features. Currently, almost all SEMs are designed to collect as many secondary and backscattered electrons as possible. These signals are…
Advancements in Photolithography TechniquesElectron and X-Ray Spectroscopy TechniquesNon-Destructive Testing Techniques
Seung‐Shick Shin、Young C. Lee、Chan Lee2001-09-01Journal of Food Biochemistry
Lipase from Rhizopus japonicus degraded chitosan resulting in soluble chitosan hydrolysates with molecular weight of about 30–50 kDa as shown by size exclusion chromatography. Optimal temperature for the hydrolysis of chitosan was 40C. The chitosan degradation products were fractionated stepwise according to their mol…
Enzyme Catalysis and ImmobilizationNanocomposite Films for Food PackagingSensory Analysis and Statistical Methods
Jenő Gubicza、Gábor Ribárik、I. Bakonyi 等 4 位作者2001-09-01Journal of Nanoscience and Nanotechnology
A rapidly quenched nanocrystalline Hf11Ni89 alloy was produced by melt-spinning. The x-ray phase analysis shows that the as-quenched ribbon consists mainly of nanocrystalline fcc HfNi5 although a small amount of Ni(Hf) solid solution is also detected. The crystallite size distribution and the dislocation structure of…
Microstructure and mechanical propertiesMetal and Thin Film MechanicsMicrostructure and Mechanical Properties of Steels
Steve L. Duffy、Joseph Murphy2001-09-01BioTechniques
Endothelial "capillary leak", the loss of vascular integrity in response to noxious stimuli, is characterized by extravasation of protein-richfluidfrom capillary lumen into surrounding tissue interstitium. This increase in vascular permeability, in response to inflammatory mediators, correlates with endothelial cell c…
Nanoparticle-Based Drug DeliveryComputational Drug Discovery Methods3D Printing in Biomedical Research
Yukio Watanabe、Akihiro Masuda2001-09-01Japanese Journal of Applied Physics
The stability of spontaneous polarization in metal/ferroelectric/insulator/semiconductor and related structures is theoretically studied by considering semiconductivity, i.e., the effect of the finite band-gap width. The theory is based on thermodynamics reported previously by us and is extended in order to also exami…
Ferroelectric and Piezoelectric MaterialsAcoustic Wave Resonator TechnologiesElectronic and Structural Properties of Oxides
Н. Б. Болотина、T. I. Dyuzheva、N. A. Bendeliani2001-09-01Crystallography Reports
The structure of a high-pressure boron suboxycarbide B(C,O)0.1555 single crystal has been studied for the first time. The unit-cell parameters are a h = 5.618(1), c h = 12.122(1) Å, V = 331.38(1) Å3, sp. gr. R $$\bar 3$$ m, R hkl = 0.0479. The established common structural features of the interstitial rhombohedral α-b…
Diamond and Carbon-based Materials ResearchBoron and Carbon Nanomaterials ResearchAdvanced materials and composites
Norimasa Nukaga、Masatoshi Mitsuya、Toshimasa Suzuki 等 6 位作者2001-09-01Japanese Journal of Applied Physics
We compared a directly crystallized SrBi 2 Ta 2 O 9 (SBT) film with one crystallized by solid-phase reaction from the fluorite phase prepared by metalorganic chemical vapor deposition (MOCVD). The region of the Bi/Ta mole ratio showing large remanent polarization (2Pr) was narrow for the film directly crystallized fro…
Ferroelectric and Piezoelectric MaterialsAcoustic Wave Resonator TechnologiesMicrowave Dielectric Ceramics Synthesis
Ralf Seemann、Wolfgang Mönch、Stephan Herminghaus2001-09-01Europhysics Letters (EPL)
We investigate experimentally the lateral flow in thin liquid adsorbate films on substrates with variable roughness. We find that, as a consequence of nanoscale roughness, the ability of the films to equilibrate lateral fluctuations depends remarkably weakly on film thickness. Our results suggest that it is a quite ge…
Phase Equilibria and ThermodynamicsMaterial Dynamics and PropertiesQuantum Electrodynamics and Casimir Effect
Lavanya Premvardhan、Sebastian Wachsmann‐Hogiu、Linda A. Peteanu 等 7 位作者2001-09-01The Journal of Chemical Physics
The electroabsorption (Stark) spectrum of the emeraldine base form of polyaniline (EB) in a polymethyl methacrylate (PMMA) matrix at room temperature is presented. For the lowest-energy (1.98 eV) band, the absolute value of the change in dipole moment on excitation (|Δμ⃗|) is 6.1 D and the trace of the change in polar…
Conducting polymers and applicationsElectrochemical Analysis and ApplicationsAnalytical Chemistry and Sensors
Georg Will、Rolf Platzbecker2001-09-01Zeitschrift für anorganische und allgemeine Chemie
In this paper the bonding properties, e. g. the charge distribution between the atoms and the deformation of niobium carbide densities have been studied. The crystal studied had the composition NbC0.98. Careful and redundant data collection (74 unique reflections out of 2087 reflections measured) gave the basis for a…
Metal and Thin Film MechanicsBoron and Carbon Nanomaterials ResearchX-ray Diffraction in Crystallography
Ibrahim Abdelhalim Ahmed、R. Blachnik、G. Kästner 等 4 位作者2001-09-01Zeitschrift für anorganische und allgemeine Chemie
The phase diagram of the system [Ph4P]Br/BiBr3 was investigated with the aid of DSC, TG and temperature dependent X-ray powder diffraction measurements. By varying the reaction conditions, stoichiometry and crystallisation conditions of the reaction between BiBr3 and [Ph4P]Br four polynuclear bromobismuthates are form…
Crystallography and molecular interactionsSolid-state spectroscopy and crystallographyInorganic Chemistry and Materials
Norman S. Allen、Luis J. Enriquez、Michèle Edge 等 6 位作者2001-09-01Journal of Vinyl and Additive Technology
Abstract The influence of zinc stearate (ZnSt) on the thermal and photochemical stabilities of phenolic antioxidant/phosphite combinations has been determined in HDPE by using FTIR analysis. The results show that while under thermal aging the effects are generally antagonistic, under photooxidation the effects are syn…
Nanocomposite Films for Food PackagingMicroplastics and Plastic PollutionPolymer Science and PVC
Ye Tian、P. Buriak、S. R. Eckhoff2001-09-01Cereal Chemistry
ABSTRACT The relationships between expansion volume and physical properties of three varieties of popcorn kernels were investigated on a single kernel basis. Physical properties studied were kernel size, kernel sphericity, and kernel density. Methods of measuring densities and popped volumes of individual popcorn kern…
Food composition and propertiesNatural Fiber Reinforced CompositesAgricultural Engineering and Mechanization
Anthony Mercier、Hervé Deleuze、Oliver Mondain-Monval2001-09-01Macromolecular Chemistry and Physics
This paper reports the preparation of an emulsion-derived foam with pendant vinylbenzene groups, called (vinyl)polystyrene polyHIPE. Thiols, HSR, underwent regioselective anti-Markovnikov addition to the residual vinyl groups in the presence of free-radical azo initiators, leading to a wide range of functional polyHIP…
Advanced Polymer Synthesis and CharacterizationSurfactants and Colloidal SystemsPickering emulsions and particle stabilization
Asli Isig r-Ergüdenler Filiz Karaosmanog lent D. C ̧ift2001-09-01Energy Sources
Thermogravimetric analysis (TGA) and differential thermal analysis (DTA) techniques were used to investigate the kinetics of thermochemical conversion of an agricultural residue, namely the straw and stalk of rapeseed plants. The thermal degradation characteristics and the kinetic parameters (order of reaction, activa…
Thermochemical Biomass Conversion ProcessesThermal and Kinetic Analysis
Chansun Shin、Marc Fivel、David Rodney 等 6 位作者2001-09-01Journal de Physique IV (Proceedings)
The structure and strength of three-dimensional Lomer-Cottrell junctions are studied using four different models. These models represent increasing levels of sophistication, with each case including some new physical effect. The line tension approximation makes use only of the elastic self energy of the dislocation li…
Microstructure and mechanical propertiesAluminum Alloy Microstructure PropertiesIntermetallics and Advanced Alloy Properties
Takabumi Nagai、Kazuhisa Fujii、Ikuko Takahashi 等 4 位作者2001-09-01Bulletin of the Chemical Society of Japan
Abstract Trifluoromethyl (CF3)-substituted donor–acceptor norbornadiene (NBD) derivatives were synthesized. The photoisomerization of CF3-NBD derivatives proceeded smoothly. The thermal stability of quadricyclane (QC) derivatives obtained from CF3-NBD derivatives was examined, and it was found that the CF3 group incre…
Radical Photochemical ReactionsLuminescence and Fluorescent MaterialsPhotochromic and Fluorescence Chemistry
Weidong Xiao、Peixin He、HU Gao-ping 等 4 位作者2001-09-01Journal of Fire Sciences
The effect of hydrated alumina and triphenyl phosphate on the flame-retardance and thermal stability of the acid anhydride-cured epoxy resin was studied by thermogravimetry and limiting oxygen index determination. The results show that both the hydrated alumina and triphenyl phosphate act as flame-retardants for epoxy…
Epoxy Resin Curing ProcessesFlame retardant materials and propertiesSynthesis and properties of polymers
Arif Daştan、Nurullah Saraçoğlu、Metin Balcı2001-09-01European Journal of Organic Chemistry
Photooxygenation of the cycloheptatriene derivative 9 gave the bicyclic endoperoxide 14. Cleavage of the peroxide linkage in 14 with thiourea resulted in the formation of 16. Treatment of the endoperoxide 14 with a catalytic amount of triethylamine provided a new isomer of stipitatic acid 11, and 16. Pyrolysis or the…
Porphyrin and Phthalocyanine ChemistryPhotodynamic Therapy Research StudiesOxidative Organic Chemistry Reactions