搜索结果: 1-15 共查到“有机化学 Effects”相关记录17条 . 查询时间(0.187 秒)
A theoretical study of the effects of polar substitution on the activation barriers for internal rotation around the C-N bond in p-substituted nitrosobenzenes: comparison of DFT and MP2 calculations
Para-substituted nitrosobenzenes C-N bond rotation polar substituent effect
2010/10/18
The activation barriers for internal rotation around the C-N bond in p-substituted nitrosobenzenes were calculated using the density functional theory (DFT) and second-order Møller-Plesset (MP2...
Comparative study of selective CO oxidation over Pt-Co-M/Al2O3 catalysts (M=Ce, Mg, Mn, Zr, Fe) in hydrogen-rich streams: effects of a second promoter
Selective CO oxidation promoted Pt catalysts Pt-Co/Al2O3 catalyst fuel cell fuel processor
2010/4/8
The selective CO oxidation over Pt-Co/Al2O3 catalyst in hydrogen-rich streams was studied in the presence of Ce, Mg, Mn, Ze, and Fe as the second promoters. The catalysts were prepared using incipient...
Memory Effects in Compound-Specific D/H Analysis by Gas Chromatography/Pyrolysis/Isotope-Ratio Mass Spectrometry
Compound-Specifi c D/H Analysis Memory Effects
2014/4/8
Compound-specific analyses of lipid D/H ratios often
encounter ranges of 300‰ or more, and experiments
using D-enriched water to study fractionations often
extend the range up to 1000‰. Here ...
期刊信息
篇名
Propylene effects on ethylene biosynthesis in relation to gene expression of ACS,ACO in persimmon fruit
语种
英文
撰写或编译
作者
饶景萍,童斌,中野隆平,稻叶昭次
第一作者单位
刊物名称
中国农业科学
页面
2（5）：556-560，2003
出版日期
2003年
月
日
文...
期刊信息
篇名
Effects of Synthetic Parameters in Pechini Method on the Formation andProperties of (ZrO2)0. 92(Sc2O3)0.08 Solid Solution
语种
英文
撰写或编译
撰写
作者
Zhang Yawen,Wang Jingjing,Yan Zhengguang,Yan Chunhua...
Effects of Processing Parameters on Carbothermal Reduction Synthesis of Aluminium Nitride,
2007/7/28
期刊信息
篇名
Effects of Processing Parameters on Carbothermal Reduction Synthesis of Aluminium Nitride,
语种
英文
撰写或编译
作者
LI Yawei LI Nan , YUAN Runzhang
第一作者单位
刊物名称
China's Refractories
页面
4(3)(1995)19-24
出版...
期刊信息
篇名
Effects of ultrasound on the microenvironment in reverse micelles and synthesis of nanorods and nanofibers
语种
英文
撰写或编译
撰写
作者
Jianling Zhang,Buxing Han,Dongxia Liu,Jing Chen,Zhimin Liu,Tainchen...
Characterization of TiO2 Synthesized in Alcohol by a Sol-Gel Process: The Effects of Annealing Temperature and Acid Catalyst
Characterization of TiO2 Synthesized a Sol-Gel Process Effects of Annealing Temperature Acid Catalyst
2010/4/19
The effects of annealing temperature and hydrolysis catalyst on the crystalline form and crystallite size of TiO2 prepared by a sol-gel process were investigated. Three types of TiO2 were synthesized ...
Bromination of Tricyclo[7.2.1.02,7]dodeca-2,4,6,10-tetraene Derivatives: Electronic and Neighboring Group Effects on Bromination
Bromination Wagner-Meerwein Rearrangement (W.M.R.) Polybromides Neighboring Group Effect
2010/4/20
The bromination reaction of tricyclo[7.2.1.02,7]dodeca-2,4,6,10-tetraene derivatives was studied. The bromination of 9 gave only rearranged products 12 and 13, while the bromination of 8 with molecula...
Crystal Habit Modification of Vitamin C (L-Ascorbic Acid) due to Solvent Effects
Crystal Habit Modification of Vitamin C Solvent Effects
2010/4/20
Crystal morphologies are predicted for vitamin C (L-ascorbic acid) using attachment energy methods. The significant differences between predicted and observed morphologies when vitamin C is grown from...
Effects of Sucrose Concentration during Citric Acid Accumulation by Aspergillus niger
Aspergillus niger citric acid accumulation osmotic stress phosphotyrosine signal transduction
2010/4/21
A number of regulatory mechanisms are involved in increasing citric acid production under certain conditions. The accumulation of citric acid takes place under the high concentration of carbon sources...
Corrosion of Reinforcing Steel in Concrete Immersed in Chloride Solution and the Effects of Detergent Additions on Diffusion and Concrete Porosity
Corrosion Reinforcing Steel Concrete Immersed Effects of Detergent Additions
2010/4/22
In order to investigate the corrosion of reinforcing steel in concrete and the effects of chloride ions, oxygen diffusion and detergent additives of linear alkylbenzene (LAB) and linear alkylbenzene s...
The Effects of Benzoic Acid in Chloride Solutions on the Corrosion of Iron and Aluminum
Effects Aluminum the Corrosion of Iron
2010/4/22
In this work, the corrosion behavior of iron and aluminum was investigated in 0.1 M NaCl solutions with an initial pH value of 8 and containing various concentrations (0, 30, 150, 300 ppm) of benzoic ...
Steric Effects on the Oxidation Potential of 1-aryl Thioglycosides
Thioglycosides cyclic voltammetry oxidation potentials steric effects
2010/4/22
The electrochemical oxidation of several 1-arylthioglycosides has been studied by cyclic voltammetry in acetonitrile. We found that the oxidation potential of the a anomer always occurs at a less posi...
Solvent, Temperature and Concentration Effects on the Adsorption of Poly(n-Butyl Methacrylate) on Alumina from Solutions
poly(n-butyl methacrylate) solubility parameter alumina adsorption solvent
2010/4/22
Adsorption of poly(n-butyl methacrylate) (PnBMA) on alumina from solution was studied by UV and FT-IR Photoacoustic Spectroscopy techniques. The effects of the solvent, temperature, concentration, and...