过渡态理论
- 名transition state theory
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在从头算的基础上,用变分过渡态理论(CVT)加小曲率隧道效应(SCT)研究了各反应较宽温度范围内的速率常数。
On the basis of the ab initio data , the rate constants for each channel were evaluated using canonical variational transition state theory ( CVT ) with the small-curvature tunneling correction ( SCT ) method over the wide temperature range .
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芳香过渡态理论及其对周环反应的简化处理
The aromatic transition state theory and it 's simple treating pericyclic reaction
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变分过渡态理论对OCS、CO2、CS2体系的研究
Variational Transition State Theory Studies on the Systems OCS , CO_2 and CS_2
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对此用动力学链长综合常数k对T的微分结果并结合过渡态理论进行了分析。
These phenomena are discussed by the differentiation results of the comprehensive constant k of the kinetic chain length to T .
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运用过渡态理论,对羧甲基纤维素钠(CMC)和锯木屑/CMC的超临界水气化反应动力学进行了研究。
The reaction kinetics of sodium carboxymethylcellulose ( CMC ) and sawdust / CMC gasification in supercritical water was studied .
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298K时,采用经典过渡态理论计算得到的引发步骤的H迁移反应的速率常数与实验值符合很好。
The calculated TST rate constants of the initial H abstraction step are in good agreement with the experimental result .
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用Xα法和Slater过渡态理论计算了碱金属元素Na、K、Rb、Cs基态原子的光致电离截面;
Photoionization cross sections for the ground-state alkali-metal atoms Na , K , Rb , and Cs are calculated by using the X α method and Slater transition-state theory .
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同时利用传统的过渡态理论,计算了各反应通道在298K时,速控步骤的反应速率常数k(T)。
The rate coefficients of the rate-determining step of all the reaction channels have also been calculated using statistic thermodynamics and conventional transition state theory at 298 K.
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用从头算方法和变分过渡态理论研究了CH2O和CH3、H、O[~3P]、OH等自由基吸氢反应的反应机理和速率常数。
The mechanisms and rate constants of four hydrogen abstraction reactions of with CHa , H , O [ 3P ] and OH are investigated by using ab initio molecular orbital theory and the variational transition state theory .
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用变分过渡态理论研究NH3+NH→2NH2反应动力学
Dynamic Theoretical Studies with the Variational Transitional state Theory : NH 3 + NH ( X 3 ∑)→ 2NH 2 Reaction
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用过渡态理论和AM1方法,对8-二甲基-7-甲氧基-5-烯-壬腈氧化物分子内环加成反应机理进行了研究。
The reaction mechanism of8-dimethyl-7-methoxy-5-ethenyl-nonanenitrile oxide cycloaddition has been studied with the molecular orbital AM1 method and transition state theory .
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当扣除在实验中产生的溶质分子吸附效应后,K无分子量依赖性.根据化学动力学和过渡态理论,应用S型方程可定量描述饱和流运移过程土壤溶质吸持反应动力学特征。
The dependence of the K on the molecular weight of the solute was eliminated by modifying a factor of solute adsorption . With chemical dynamics and transitional theory , the dynamic process of soil solute adsorption during solute transport was fitted properly by the S type equation .
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用变分过渡态理论(CVT)和改进的变分过渡态理论(ICVT),计算了这四个反应的速率常数。
Based on canonical variational transition state theory ( CVT ) and improved canonical variational transition state theory ( ICVT ), each reaction rate constants are calculated .
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适宜的还原条件对可控结构CNFs的合成具有重要作用。(5)通过BOC理论和过渡态理论计算,研究了Fe催化CO歧化制备CNFs的反应历程。
To preparation of CNFs with well defined structures , a proper reduction of the catalyst is very important . ( 5 ) The reaction scheme of CO disproportionation on iron catalyst is studied by using BOC and transition state theory .
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在量化计算的基础上运用统计热力学和Wigner校正的Eyring过渡态理论研究了不同温度下单重态CCl2和臭氧O3反应的热力学及动力学性质。
The thermodynamic and kinetic studies have been carried out on the reaction of singlet CCl2 and ozone O3 at 200K - 2000K , using statistic thermodynamics and Eyring transition state theory with Wigner correction on the basis of quantum chemistry .
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用变分过渡态理论(CVT)在考虑小曲率隧道(SCT)校正的水平上计算了200 ̄2500K温度范围内标题反应的热速率常数。
The thermal rate constants of the title reaction were calculated using canonical variational transition state theory ( CVT ) and canonical variational transition state theory with small curvature tunneling contributions ( CVT / SCT ) in the temperature range of 200 ~ 2500 K.
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采用双水平直接动力学方法IVTST-M和正则变分过渡态理论研究了在1000~2500K温度范围内反应的速率常数。
The dual-level direct dynamics method was employed to gain the information of potential energy surface for the title reaction . The rate constants were calculated over the range of temperature 1 000-2 500 K by using variational transition-state theory .
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固-气吸附的过渡态理论计算
Transition state theory calculation on the gas-solid surface adsorption
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酶催化过渡态理论在药物分子设计中的应用
Application of the Transition-state Theory of Enzyme-catalyzed Reactions in the Rational Design of Drugs and Agrochemicals
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土壤中磷解吸动力学特征及过渡态理论的应用
Study on the Features of Desorption Kinetics of Phosphate in Soil and Application of Transition Station Theory
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过渡态理论的碰撞分析
Collision Analysis of Transition_State Theory
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综述了β-消除反应中可变过渡态理论的3种模型。
Three models of theories on changeable transition state in β - cancellation reaction were summed up .
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隧道效应修正的过渡态理论
Tunneling corrected transition state theory
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本文从量子反应碰撞理论的观点出发,探讨了过渡态理论的量子力学基础。
The quantum mechanical foundation of transition-state theory is studied from the viewpoint of reactive collision theory .
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同时,也用经典过渡态理论计算了这4个反应体系的反应速率常数。
Besides , we use the classic transition theory to calculate the rate constants of the four channels .
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β-消除反应中可变过渡态理论综述
The ecologic indexes (α, β, S , δ, C. ) A Summary Of Theories on Changeable Transition State
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由化学热力学原理探讨了物质稳定性的概念,并根据过渡态理论分析了物质的稳定性和反应活性的关系。
The conception of the stability of substance is discussed on the base of essential principle in chemical thermodynamics .
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用过渡态理论计算O(~3P)原子和醇类分子化学反应速率常数
The Calculation of Rate Constants of Reactions O ( ~ 3P ) Atom and Alcohol Molecules Using Transition-State Theory
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用过渡态理论计算了部分光学跃迁和电荷转移跃迁的能量。
Energies of some optical transitions and the charge transfer transition are calculated based on the transition state theory .
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变分过渡态理论对O(~3p)+HI→OH+I反应速率常数的研究
Variational transition state theory for reaction rate of o ( ~ 3p ) + hi → oh + I