active hydrogen
英 [ˈæktɪv ˈhaɪdrədʒən]
美 [ˈæktɪv ˈhaɪdrədʒən]
活性氢
双语例句
- It is suggested that ruthenium can promote the dissociation of hydrogen and the spilling of active hydrogen over Mo sites, which will be beneficial to the formation of more coordination unsaturated Mo sites.
可以认为，Ru的作用是活化，解离氢，并通过溢流氢促进配位不饱和的Mo中心生成。Ru的这种作用比Co明显。 - On the basis of the features of active hydrogen atom and the literature reports, the general formula of glyphosate is given.
归纳了草甘膦的性质，并根据草甘膦分子存在着活泼氢原子和基团的特点，结合文献中各取代物的报导情况，提出了草甘膦及其衍生物的通式。 - Dyeing assistant RG, a cationic compound, has at least two reactive groups which are sensitive to active hydrogen.
助染剂RG是一种阳荷性的化合物。它至少含有两个能与活泼氢发生作用的活性基因。 - They can also constitute two-component adhesives with aqueous polymers containing active hydrogen, and are dispersed in aqueous main agent before use.
或者与含活泼氢的水性聚合物组成双组分胶黏剂，使用前分散于水性主剂中。 - The desorption of active hydrogen on ws_x/ γ-al_2o_3 hydrodenitrogenation catalyst
WSx／γ－Al2O3加氢脱氮催化剂上的活性氢脱附 - This effect was diminished when components containing active hydrogen are present.
但当体系中有大量的活性氢时，这种影响将被掩盖； - The reason for the increase of desulfuration effect of modification by Zn-Al gel may be that the zeolite by modification enhances the supply ability of active hydrogen, which promotes saturation and cracking of thiophene.
Zn-Al改性能增加分子筛的脱硫效果，其原因可能是增加了分子筛的供氢能力，形成表面活性氢，促使噻吩饱和、开环裂化。 - Testing of Active Hydrogen in Hydrogen-Containing Silicone Fluid by~ 1 H NMR
含氢硅油中活性氢的测定 - Carboxylation of active hydrogen compounds
含有活性氢原子化合物的羧基化反应 - Study on the Reactions and Mechanism of Aromatics Containing Active α-Hydrogen Atom with Nitrobenzene
含α-活泼氢芳烃与硝基苯的反应及其机理研究 - The number of active hydrogen atoms attached to nitrogen atom of different classes of amine determine their effectiveness in extraction of metals by solvation.
根据与氮相连结的活性氢原子的多寡与有无，讨论了伯、仲、叔胺类溶剂化能力的强弱。 - Determination of active hydrogen and ch_3mgi addition(ⅱ)
活泼氢及CH3MgI试剂加成的测定（二） - The flame-retarding effect and mechanism of chlorohydroxypropylphosphate ( CHPA) containing active hydrogen on PU foam were studied.
本文研究了含活性氢的氯羟丙基磷酸酯（CHPA）对聚氨酯（PU）软泡的化学阻燃作用及其阻燃机理。 - The results showed that the electrode current conductor influenced its electrochemistry reaction active of hydrogen;
结果表明：电极集流体结构对其电化学活性有较大影响； - The effects of n ( Si-Vi)∶ n ( Si-H), the mass fraction of active hydrogen in hydrogen-containing silicone oil, and the amount of additives of electric leakage resistant on the properties of LSR were discussed.
讨论了n（Si-H）∶n（Si-Vi）值、含氢硅油中活性氢的质量分数及耐漏电起痕添加剂的用量对液体硅橡胶性能的影响。 - In this paper, the authors report their results on cyanoethylation of eight ferrocene derivatives which contain active hydrogen atoms connecting to oxygen and sulfur.
本文报告八种含有在氧及硫原子上带活泼氢的二茂铁衍生物进行氰乙基化反应的结果。 - The factors, which may affect the production of diamond films, have been discussed, such as source of carbon in gas, substrate in solid and active hydrogen molecules and atoms.
阐述了在金刚石薄膜生长过程中气相碳源、固相基底以及激活氢分子与原子对生成产物的影响。 - The crystal transforming mechanism of calcium sulfonate grease was discussed, and the effect of different active hydrogen substances as transforming agents on crystal transform was analyzed.
探讨了磺酸钙基脂晶型转化的反应机理，分析了不同活性氢物质作转化剂对晶型转化的影响。 - The yield of this reaction was determined using chemistry titration by which the unreacted active hydrogen was detected.
采用化学滴定法测定未反应活性氢的质量分数，以确定反应的收率； - Hydrogen donor can provide active hydrogen atom to postpone or control the forming of the second liquid phase and effectively restrain the coking when catalyst and hydrogen were absent.
供氢剂在无催化剂和氢气存在条件下，可提供活性氢原子推迟或阻止第二液相的形成，有效抑制生焦； - After the oxidation of carbon black with hydrogen peroxide, hydrophilic group was introduced onto carbon black surface by the grafting reaction of carbon black with the active hydrogen of p-PS.
用过氧化氢氧化炭黑以后，通过对苯酚磺酸（p-PS）羟基邻位的活泼氢与氧化炭黑的接枝反应，在炭黑表面导入亲水性基团。 - Due to the effect of cumulated double bond and atoms of N, O on either hand of carbon atom, isocyanate group has high reaction activities and is easy to react with compounds containing active hydrogen. That limits the use of isocyanate to some extent.
异氰酸酯基由于累积双键和碳原子两边电负性很大的氮氧原子作用，使其有较大的反应活性，容易与含活泼氢的化合物发生反应失去反应活性，这在一定程度上限制了异氰酸酯使用。 - Cyclopentadiene which has double bonds and active hydrogen atoms of methylene can be used in polymerization, hydrogenation, halogenation, addition, oxidation, condensation and reduction reactions; and it is also the good ligands of rare earth metal organic complexes.
环戊二烯具有共轭双键和亚甲基上的活泼氢原子，性质较为活泼，可进行聚合、氢化、卤化、加成、氧化、缩合及还原等反应；同时它还是稀土金属有机配合物很好的配体。 - Magnesium-based hydrogen storage material, when heated at certain temperature, will release active hydrogen that could react with thiophene, which is called hydrodesulfurization.
镁基储氢材料在一定温度下加热放出的活性氢可以与噻吩发生加氢脱硫反应。 - Ethoxylation is significant in the polyoxyethylene ether nonionic surfactants industry that are base-catalyzed reactions of hydrophobic substrates containing active hydrogen.
乙氧基化是在催化剂的催化作用下，环氧乙烷（EO）与含有活泼氢的化合物发生的开环加成反应，是工业中生产聚氧乙烯醚型非离子表面活性剂的重要方法。 - Ethoxylation is used to produce nonionic surfactants that are ring-opening addition reactions of hydrophohic substrates containing active hydrogen with ethylene oxide.
乙氧基化（Ethoxylation）是环氧乙烷（EO）与含有活泼氢的化合物发生开环加成的反应，常用于生产非离子表面活性剂。 - Polyurethane adhesive can form strong chemical bonds with materials containing active hydrogen. With some other advantages such as flexible molecular design and applicability, polyurethane adhesive has better application in the wood industry.
聚氨酯胶黏剂能够与含有活泼氢的材料形成胶接强度优良的化学粘接，加之分子设计灵活、使用工艺易调控等优点，在木材工业有着较为广泛的应用。 - In this paper, an iron based catalyst composed of three metal oxide was prepared through co-precipitation method. The catalyst shows dual function: decompose the steam to produce active hydrogen and oxygen; catalytic crack of large molecules into lighter oil.
本文采用共沉淀法合成了一种三组分铁基催化剂，催化剂有双重功能：分解水蒸气提供活性氢和氧；催化裂化使大分子重油裂解为小分子轻质油。 - The active hydrogen atoms exiting in the system play an important role in reaction process.
在反应的整个过程中，体系中的活泼氢对反应过程有重要影响。