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氧分子的
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  molecular oxygen
     Using Molecular Orbital Method we have studied the structure of three spinisomers( ̄3∑ ̄-_g, ̄1△_g, ̄1∑ ̄+_g) about molecular oxygen and its reaction activity.
     本文用MO法研究氧分子的 ̄3∑ ̄-_g、 ̄1△_g和 ̄1∑ ̄+_g三种自旋异构体的结构以及它们的反应活性,并对其进行理论分析。
短句来源
     A STUDY OF OPTICAL OSCILLATOR STRENGTHS FOR VALANCE SHELL OF MOLECULAR OXYGEN
     氧分子的价壳层光学振子强度研究
短句来源
     Research emphasis is placed on the designing of efficient catalysts that can increase the reaction activity and selectivity of molecular oxygen and catalyze the selective reaction under mild conditions.
     研究的重点都是放在催化剂的设计上,通过催化剂来提高氧分子的反应活性和选择性,使选择性氧化反应能在温和的条件下进行。 从产业化应用的需要出发,发展既有活性、选择性又稳定、可循环的多相催化剂是当前面临的重大挑战。
短句来源
     In this paper, activity problems of transition metals for molecular oxygen were studied by quantum chemical method, combining HMO with EHMO and CNDO.
     本文用我们自已建立的以HMO为主的量子化学方法研究了过渡金属对氧分子的活化问题。
短句来源
     As a result, it not only can discuss the catalytic activity series of transition metals and the effects of ligand and coordination mode on the catalytic activity, but also can discuss the regularity in the change of catalytic activity of the transition metal with the reagent molecule and the relation between structure and properties of the oxygen carriers in reversibly combining with the molecular oxygen.
     研究结果表明,它不仅可以讨论过渡金属对氧分子的催化活性顺序以及络合方式和配位体对催化活性的影响,而且可以讨论过渡金属的催化活性随底物分子迁移的规律以及可逆载氧体的结构和性能之间的关系。
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  “氧分子的”译为未确定词的双语例句
     The reaction mechanism of O(\{\}\+3P)+O\-2HOH+O\-2 has been studied by using Density Function Theory.
     用密度泛函理论方法研究了 O( 3P)与 O2 H反应生成羟基和氧分子的反应机理 .
短句来源
     The Oxidative Dehydrogenation of 1-Methyl-3,5-Diphenyl- pyrazoline Catalyzed by Cupric Chloride (Ⅱ)——Stoichiometric Reaction and the Stage of Reaction with Oxygen's Participation
     1-甲基-3,5-二苯基吡唑啉在氯化铜催化下的氧化脱氢反应(Ⅱ)——计量反应与氧分子的作用阶段
短句来源
     Singlet oxygen is a special form in existence,which is strongly bioactive.
     单线态氧是氧分子的一种特殊存在形式,具有很强的生物活性。
短句来源
     Activation of Dioxygen and Reactions of Activated Oxygen Species under Mild Conditions
     温和条件下氧分子的活化和活性氧种的反应
短句来源
     To explore the photochemical mechanisms of R-phycoerythrin mediated Photodynamic therapy of cancer,the photobleaching was observed with different concentrations of R-PE and inhibitors of reactive oxygen species.
     为探讨藻红蛋白介导的光动力治疗的光化学机制 ,观察藻红蛋白浓度和活性氧抑制剂对藻红蛋白光漂白作用的影响 ,研究藻红蛋白介导的光敏反应产生活性氧分子的途径和影响因素。
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  相似匹配句对
     π Orbital breakup of O_2 molecule and its coordination compound
     分子的π轨道分裂及其配合物
短句来源
     reactive oxygen species
     活性
短句来源
     The dysfunction of oxygen free radical metabolism and overproduction of NO locally might participate in this pathologic process.
     局部?
短句来源
     HeⅠ Photoelectron Spectroscopy(UPS) of Isotopic~(18)O_2 Molecules
     同位素-18分子的HeⅠ紫外光电子能谱
短句来源
     LUMINESCENCE OF AROMATIC MOLECULES
     芳香分子的发光
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  molecular oxygen
Degradation of TS by both free and immobilized cells was associated with molecular oxygen consumption (molar ratio 1 : 2).
      
Oxygen species are formed by purely physical mechanisms, for instance, energy consumption converts molecular oxygen to an excited singlet state.
      
Molecular oxygen is hardly toxic for prokaryotes due to an efficient protection of microbial cells by specific enzymes.
      
This work experimentally confirms the harmlessness of molecular oxygen.
      
Both the observed processes have been assigned to the bimolecular oxygenation of α- and β-subunits of the native tetrameric protein by molecular oxygen.
      
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An investigation on the oxidation of molybdenum at 350-500℃ was carried out

研究了1—76毫米汞柱氧压和350—500℃温度范围内钼的氧化过程。结果表明,钼的氧化是首先在表面生成MoO_2,MoO_2生长到某种厚度以后才出现MoO_3,这种厚度与温度和氧压有关。MoO_2的生长服从抛物线规律。MoO_3的出现虽使钼的氧化速率略为增大,但并不意味着MoO_2停止了生长。在MoO_3与MoO_2同时生长的情况下,钼的氧化仍然遵从抛物线规律。氧化后表面的MoO_3晶粒随氧化时间的延长而变大,长大到一定程度的晶粒往往容易从表面脱落,困而是氧化层出现疏松的象征。这种疏松可能使钼的氧化偏离抛物线开始向直线规律过渡。在450℃1—76毫米汞柱氧压范围内,钼的氧化速率与氧压的2/3次方成正比,即K∝P_(O_2)~(2/3)。因此有理由认为,在上述条件下表面吸附层中的氧分子浓度对钼的氧化速率起着控制作用。

The potential curves and potential surfaces between the oxygen atom or oxygen molecule and several silver clusters representing different sites on Ag(111) surface have been calculated by EHMO method. The conclusion is: When the Ag (111) surface chemisorbs oxygen in the range of 150 to 250C, the most probably adsorbed site on this surface is the eclipsed site, the valence state of the adsorbed species is O-.Such a monoatomic oxygen is formed when the dissociative adsorption of the oxygen molecule at the eclipsed...

The potential curves and potential surfaces between the oxygen atom or oxygen molecule and several silver clusters representing different sites on Ag(111) surface have been calculated by EHMO method. The conclusion is: When the Ag (111) surface chemisorbs oxygen in the range of 150 to 250C, the most probably adsorbed site on this surface is the eclipsed site, the valence state of the adsorbed species is O-.Such a monoatomic oxygen is formed when the dissociative adsorption of the oxygen molecule at the eclipsed site takes place. The adsorption of diatomic oxygen cannot take place on Ag(111) surface, it probably takes place only on single Ag atom (or some other highly dispersed silver on carrier or special silver whose character is similar to that of the single Ag atom), the valence state of the adsorbed species is O2-.

本文应用EHMO法计算了氧原子、氧分子和若干代表Ag(111)表面上不同位置的银原子簇间的位能曲线或位能面。结果表明:在150~250℃间,Ag(111)表面化学吸附氧时,最可能的吸附位置是叠位,被吸附物的价态为O~-。这种单原子氧是氧分子在叠位发生解离吸附所形成。在Ag(111)表面上,不形成双原子氧吸附,它可能只发生在单个Ag原子(或某些高度分散的载体银或特殊的晶体银,其特性类似单个Ag原子)上,被吸附时的价态为O_2~-。

A formula for vertical dynamic transport function is deduced from the molecular kinetic theory of gases. Instead of Nicolet-Mange's "mixing ratio", this formula can describe successfully the transition process from mixing to separation conditions in the upper atmosphere. Considering the observational data of turbulence motion in the upper atmosphere, the distribution models of diffusion coefficient with height are presented, according to which the height distribution profiles of number density ratio, such as...

A formula for vertical dynamic transport function is deduced from the molecular kinetic theory of gases. Instead of Nicolet-Mange's "mixing ratio", this formula can describe successfully the transition process from mixing to separation conditions in the upper atmosphere. Considering the observational data of turbulence motion in the upper atmosphere, the distribution models of diffusion coefficient with height are presented, according to which the height distribution profiles of number density ratio, such as n(Ar)/n(N2), n(He)/n(N2), are calculated and compared with the rocket-borne mass-spectrometer's data. The distributions of main chemical components with height in the upper mesosphere and lower thermosphere are computed according to photochemical-dynamical transport theory. It is concluded, that photodissociation coefficient is coup-led with number density profiles of molecular oxygen, and the system of equations in-volved must be solved numerically from upper to lower heights, in order to diminish the errors arising from the assumption of photodissociation coefficient in computations.

本文根据气体分子运动论导出了垂直动力传输函数,此函数可以代替Nicolet和Mangc的混合比,较好地描述高层大气中从完全混合状态向扩散分离状态的过渡过程。分析了高层大气中湍流运动的观测结果,给出了湍流系数随高度分布的几个模式,利用这些模式计算了惰性气体氩、氦与氮的数密度比的高度剖面,并与箭载质谱仪探空资料作了比较。根据光化-动力传输理论,计算了上中层及低热层大气主要化学成份的高度分布。结果表明:垂直动力传输明显地影响着大气成份的分布。文中还指出,氧分子的光离解系数与其数密度的高度剖面耦合在一起,因而应当由上向下数值求解有源有汇的连续方程组,这样可避免由于光离解系数的假设所造成的误差。

 
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