分子氢
- 网络molecular hydrogen
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金刚石中分子氢的赋存状态研究
A study on the existing states of molecular hydrogen in diamond
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分子氢和二硫化铁对1,3&二苯丙烷分解的促进作用
Promotional effects of molecular hydrogen and pyrite on 1,3 ─ diphenylpropane decomposition
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试验结果表明:在硫酸盐还原过程中,分子氢的产生者是产酸菌(AB)、产氢产乙酸菌(HPA)和利用脂肪酸的硫酸盐还原菌(FSRB);
Experimental results showed that acid-producing bacteria ( AB ), hydrogen-producing acetogens and fatty acids-utilizing sulfate reducing bacteria ( FSRB ) were main hydrogen producer in the reactor .
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临氢作用的实质是气相中的分子氢被催化剂上的L酸中心活化向噻吩裂化脱硫反应供氢;
Such an effect of hydrogen carrier is connected to the supply of hydrogen atoms for the cracking of thiophene via the activation of hydrogen molecules on Lewis acid sites .
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基于以上事实,认为正己烷裂化反应中的双分子氢转移反应遵循Rideal机理。
On this basis , a conclusion is proposed that bimolecular reactions in the cracking of n hexane proceeded via Rideal mechanism .
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在高温老化的初期,密封剂由于体系中的小分子氢和水等的存在,硬度下降,当老化时间超过100h后,密封剂的硬度保持不变;
At the beginning of high temperature ageing the sealant hardness drops because of the existence of small molecules and water in the system , but after 100 hours of ageing the sealant hardness remains stable ;
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现在我填充了分子氢。
And now I have to fill this molecular hydrogen .
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钌分子氢配合物催化烯烃的离子氢化
Ionic Hydrogenation of Olefins Catalyzed by Ruthenium Dihydrogen Complex
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分子氢支持蓝藻Anabaena7120固氮的生理基础研究
Studies on physiological basis of hydrogen supported nitrogenase activity in blue-green algae Anabaena 7120
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在这个炽热恒星周围的尘埃云里,不久之前刚侦测到分子氢。
Molecular hydrogen has recently been detected in this hot star 's dusty cosmic shroud .
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星系际分子氢云的探测
The search for intergalactic molecular hydrogen
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分子氢在鱼腥蓝藻Anabaena7120固氮活性受氧损伤中的保护作用
The protection of nitrogenase activity by molecular hydrogen from damage by oxygen in blue-green algae Anabaena 7120
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介绍了近年来金刚石包裹体中流体研究结果,特别是分子氢和羟基的发现。
Recent studies of fluids in the diamonds , particularly the discovery of molecular hydrogen and hydroxy are presented in the paper .
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根瘤菌自生培养物的吸收分子氢系统,不但可以在自养或异养的固体培养基上表达,而且也可以在异养的液相培养基中表达。
The expression of a H_2-uptake system in free & living cultures of Rhizobium astragalus occurred under heterotrophic growth condition in liquid medium .
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以分子氢作为氢源,在液相、气相催化体系中运用金属配合物和金属负载催化剂,高效率、高选择性地氢化有机底物一直是催化领域中最具理论与实用价值的前沿课题之一。
The high effective and selective hydrogenation of organic substrates with molecular hydrogen and metal complex as catalyst is one of the most interesting and challenging topics in catalytic frontier .
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~2HNMR研究分子中氢同位素氘分布
~ 2 H NMR study of deuterium distribution in molecule
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结果表明,磷改性使催化剂的B酸中心数量增加了0.02mmol.g-1,而B酸中心的增加有利于双分子的氢转移反应,避免反应过程中催化剂表面的积炭。
The results showed that B acid of the catalyst modified by phosphorus was enhanced by 0.02 mmol · g-1 , which favored the hydrogen transfer reaction and inhibited coke formation .
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结构相似的HA与HB分子内氢转移的机理相似,反应势垒前者较后者稍高。
HA and HB have similar structures and similar hydrogen transfer , but the hydrogen transfer barrier of HA is higher than HB .
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HYP分子内氢传递产生的异构体在能量上不稳定。
( iii ) Isomers of HYP generated through intramolecular hydrogen transfer were not thermally stable .
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目前广泛研究中的储氢材料有:碳基纳米材料、金属氢化物、MOFs结构储氢材料和有机小分子储氢材料。
At present , extensive research in the hydrogen storage material such as carbon-based nano material , metal hydride , MOFs structures and organic hydrogen storage material .
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经各向异性温度因子修正后的1.2A分辨率的猪胰岛素晶体结构&温度因子的结构信息,水分子,氢原子和氢键体系
The crystal structure of porcine insulin refined with temperature factors at 1.2 a resolution & structure information from temperature factors , water molecules , hydrogen atoms and hydrogen bonds
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表面修饰对Y型分子筛氢转移反应的影响
Impact of surface modification on hydrogen transfer reaction of Y zeolite
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竹红菌素分子内氢转移反应的机理
The theoretical study on hydrogen transfer of hypocrellin
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氟原子与小分子抽氢反应机理和直接动力学计算研究
Mechanism and Direct Dynamic Calculation of Hydrogen Abstraction Reaction of Fluorine with Small Molecules
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讨论了在纯铁催化剂上,氮分子和氢分子逐步合成氨的反应机理。
The mechanism of hydrogenation of nitrogen into ammonia was discussed on the pure iron surface .
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让我们来画氢原子的,电子构型,分子,氢分子。
So let 's draw the electron configuration of hydrogen , the molecule , molecular hydrogen .
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因此实际上我们可以直接进行比较,对氮分子与氢分子的离解能,或键的强度。
So what we can actually directly compare is the dissociation energy or the bond strength of nitrogen versus hydrogen .
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这表明把分子态氢转变成等离子态氢后能强化氢还原金属氧化物的能力。
All these results indicated that the reduction ability of hydrogen is enhanced by transforming as-molecular H_2 to as-plasma hydrogen .
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芳烃不仅通过分子间氢转移反应生成,而且通过直接脱氢芳构化反应生成。
Aromatics formation are formed not only via the hydrogen transfer reaction between the molecules but also by dehydrogenation and aromatization .
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本文介绍两种确定有机碳环化合物分子中氢原子数的方法。
The article is to recommend two ways of defining the numbers of hydrogen atoms in the molecules of organic carbocycle compounds .