1,204 Result(s)
within
**cheng Yu
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Article
In Vitro Antimicrobial Activity of Benzoquinolinediones
The in vitro antibacterial and anti-fungal activity of benz[g]isoquinoline-5,10-dione (1), benzo[g]quinoline-5, 10-dione (2), benzo[g]quinoline-5,6-dione (3), and anthraquinone (4) was determined using the agar w...
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An in situ Mössbauer study on the metal-support interaction of supported iron catalysts for CO hydrogenation
Iron supported catalysts were investigated by in situ Mössbauer spectroscopy. Results showed that MSI can be vell Interpreted as a combination of the dispersion effect and the chemical interaction effect.
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Chapter
Design of 32-m Diameter GRP/Composite Blade
This paper gives a general review of the development of GRP/composite blades in China, together with their application and advantages.
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Thermal decomposition of α-Zr(SO4)2
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Article
Evaluation of experimental conditions on the response of fluoride and cyanide selective electrodes in flow injection potentiometry
The response of fluoride and cyanide selective electrodes has been investigated under steady-state and flow injection measuring conditions. Response time measurements indicate that at lower concentration level...
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Article
Effects of H2SO4 on the crystallization and phase transformation of zirconia powder in the precipitation processes
The precipitation method has been applied to the preparation of pure zirconia powders. The properties of the produced samples were characterized with differential thermal analysis-thermal gravimetric analysis,...
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The occurrence of Mg2Zr5O12
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Chapter
Fabrication and Structural Performance of CFRP Wind Cups of the Three-Cup Anemometer
The composite wind cups of the three-cup anemometer are produced from carbon/glass hybrid Sheet Molding Compound (SMC). The loads acting on the wind cup are mainly aerodynamic force and centrifugal force. The ...
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Potentiometric and conductometric determination of ammonium by gas-diffusion flow injection analysis
Considerable enhancement of selectivity in the potentiometric and conductometric determination of ammonium is provided by gas-diffusion separation in flow injection analysis. Ammonium and potassium selective l...
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Chapter
Kinetically Specific Spin-Label Substrates of Liver Alcohol Dehydrogenase and of Liver Aldehyde Dehydrogenase
The metabolism of alcohol in the mammalian liver involves two enzymes: (i) alcohol dehydrogenase, which converts an alcohol to its corresponding aldehyde product through a readily reversible reaction, and (ii)...
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Computer-aided design for manufacturing process selection
This paper describes an expert system that helps designers select a manufacturing process in the early stage of product design. First, the paper focuses on net-shape manufacturing processes and identifies the ...
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Article
The remote sensing observation in experiments of rock failure and the beginning of remote sensing rock mechanics
The remote sensing observational study for infrared radiation of rocks was proceeded during the loading on rocks until failure. The major instruments used in experiments were transient spectrum apparatus, inte...
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Very Low Frequency Electron Paramagnetic Resonance Allows the Imaging of Oxygen Concentrations in Distinct Pharmacologic Compartments Deep in Living Tissue
The use of electron paramagnetic (spin) resonance (EPR) for measurements in living tissue has been limited by the depth of penetration of multi-GHz microwaves which stimulate the transitions detected by the te...
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Article
Preparation of γ-alumina precursors for metal reinforcement
In the metal matrix composite field, both fine (<0.5 µm) and coarse, crystalline, calcined aluminas with narrow or broad particle size distributions, are being used as reinforcement phase. The effect was studi...
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The application of microwave remote sensing technology in rock mechanics
During the process of rock compression up to failure, the microwave radiation of rocks was observed and studied by remote sensing. The microwave radiometers for wave lengths of 8 mm, 2 cm and 10 cm were used. ...
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Article
A novel monooxygenase model compound: the oxidative demethylation of a macrocyclic bicopper(I) complex
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Researches on the photoconductivity and UV-visible absorption spectra of the first C60-chemically modified poly(N-vinylcarbazole)
Addition of C60 moiety, a powerful electron acceptor to poly(N-vinylcarbazole) by chemical reaction results in the marked enhancement in photoconductivity relative to pure PVK and C60 /PVK mixtures (C60-doped PVK...
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Article
Graphical method for the determination of the complex NMR shift and equilibrium constant for a hetero-association accompanying self-associations
We describe a novel graphical method which, in conjunction with the previously proposed graphical determination of monomer shift, dimer shift, and dimerization constant for self-association, allows us to deter...
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Minerogenetic mechanism of the Songxi silver-antimony deposit of northeastern Guangdong—Ore-controlling role of organic matter
Organic geochemistry and comparisons of characteristics of the organic matter in wall rocks of the ore-controlling strata and ores of the Lower Jurassic Songling black shale formation and the related Songxi si...
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Chapter
Congenital Brain Anomalies
Congenital brain malformations are abnormal developments of the brain that occur during intrauterine life. These anomalies of the central nervous system cause approximately 25% of perinatal deaths1 and account fo...
