查询词典 hydrogen

Using the MP2 method at the 6-311G level, the geometries of the reactants, transition state and products of the hydrogen abstraction reaction of isocyanic acid with formyl radical have been optimized. Changes of bond lengths of interacting molecules and the stationary point structures were discussed along the minimum energy paths.

在 UMP2/6-311G计算水平上，优化了标题反应的反应物、过渡态、产物的几何结构，沿最小能量途径讨论了异氰酸和甲酰自由基发生氢转移反应位能面上驻点的结构以及相互作用分子结构变化。

RESULTS: RAD decreased superoxide anion production of RPN stimulated by formyl Met Leu Phe and phorbol 1,2 myristate 1,3 acetate, and inhibited hydrogen...

迷迭香酸抑制中性粒细胞呼吸爆发和脂质过氧化及通过降低细胞内钙离子浓度而抑制溶酶体酶的释放

Isocyanic acid ; Hydrogen abstraction reaction ; ab initio ; Formyl radical ; Rate constant

异氰酸；氢转移反应； abinitio ；甲酰基自由基；速率常数

Its commercial technologic processes and products,such as Acetic Acid Production by Carbonylation of Methanol,Formyl Morpholine,Steam Reforming Catalyst,Low Pressure Methanol Synthesis,Dimethyl Formamide Production by Dehydrogenation of Methanol,Dimethyl Ether Synthesis by Methanol Dehydration,Hydrogen Production by Methanol Cracking,Methanol Synthesis Catalyst,PSA Gas Separation Devices, and etc.,have been applied in more than 800 plants over fields including chemical industry,petrochemical,food, metallurgy,machinery,military industry.Many technological products were exported to American,European,Asian countries as well as Hong Kong,Macao and Taiwan.Remarkable economic and social benefits are achieved.

甲醇羰基化合成醋酸，甲酰吗啉，转化催化剂，低压合成甲醇，甲醇脱氢制二甲基甲酰胺，甲醇脱水制二甲醚，甲醇裂解制氢，合成甲醇催化剂，变压吸附制氢等成套工业装置和产品应用于全国800多家化工，石化，食品，冶金，机械，军工等企业，并出口美国，欧州，亚州等国及港，澳，台地区。

With less and less fossil fuel on the earth and environment deteriorating, hydrogen energy becomes more and more important.

随着化石资源的日渐枯竭和环境污染的加剧，氢能变得越来越重要。

The results show that laminar burning velocity increases exponentially with the increase of hydrogen frac...

通过对试验结果的数据拟合，得到了计算天然气—氢气—空气混合气层流燃烧速率的关系式。

Discussion:the method to evalue antioxidant capacipity contains Hydrogen atom transfer such as ORAC,TOSC and so on and single electron transfer such as FRAP,DPPH and so on.

讨论：抗氧化方法分为氢原子转移(ORAC，TOSC等为代表)和单电子转移过程(FRAP，DPPH等方法)。

It is the fact that three methionines distributed in the Hsp16.3 will begradually oxidated, in vitro, by hydrogen peroxide(H2O2). When the hsp16. 3 gene was cloned with pMV261 plasmid vector and transfected into Mycobacterium smegmatis, we found that the ability of anti-H2O2 will be decreased greatly among the strains of M. smeg. containing pMV261-hspl6. 3 while compared with the control strains of M. smeg. containing free plasmid vector. But we found that the ability of anti-H2O2 will be increased greatly among the strains of M. smeg. containing pMV261-38kDa while compared with the same control.

尽管Hsp16.3中有三个甲硫氨酸在体外能被过氧化氢(H_2O_2)逐一氧化，我们将Hsp16.3基因克隆到pMV261质粒上，并转染到耻垢分枝杆菌中发现，转染了pMV261-16.3的耻垢分枝杆菌抗过氧化氢的能力大大下降，而对照含pMV261-38kDa的耻垢分枝杆菌抗过氧化氢的能力却有明显的增强，据此，我们认为，Hsp16.3在细胞内可能不具有抗过氧化氢的能力。

The selection of the modulators has come primarily from their previous use in studying the three-component oxidative burst in French bean cells where the signalling involved in the apoplastic generation of hydrogen peroxide is well studied The requirement for K+ movement was demonstrated by the inhibition of the burst as a result of treatment with the ionphores, valinomycin and nigericin, which would act to equilibrate K+ ions and prevent the vectorial transport in response to elicitor action.

选用的调制也主要来自于他们以前用在学习的三个组成部分氧化爆裂法语豆腐的牢房里响起了卷入apoplastic一代双氧水是很好的研究要求对K+运动表现为抑制的爆裂，由于治疗的ionphores ，缬和nigericin ，这将法equilibrate钾离子和防止vectorial运输回应elicitor行动。

The out- of- pile and in- pile corrosion,mechanical properties,microstructure,hydrogen absorption,creep and growth resistances of M5 alloy using as PWR fuel rod cladding materials developed by FRAMATOME in France has been summarized with reference to the literatures.

概述了法国法马通公司开发的新型燃料包壳材料 M5合金在堆内外的腐蚀、吸氢、显微组织、蠕变、辐照生长等性能。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。