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化学反应动力学机理
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  mechanism of chemical kinetics
     The single zone model in combination with detailed mechanism of chemical kinetics was used for simulation to predict the cylinder pressure,NOx emission and concentration of several radicals.
     利用单区模型 ,结合详细化学反应动力学机理 ,模拟了DMM燃烧时的缸内压力和NO浓度及几种基团的浓度变化曲线 ;
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  chemical reaction mechanism
     This paper studied ignition and burnout characteristics of methane air premixed flame with H 2 added,using chemical reaction mechanism.
     利用化学反应动力学机理研究了甲烷 -空气预混火焰添加 H2 的着火和燃尽特性。
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     The stretched laminar diffusion flamelet structures under different strain rates were numerically calculated based on a set of detailed chemical reaction mechanism GRI-Mech 3.0 for methane oxidation. From the calculation, flamelet library consisting of a series of stretched laminar flamelet structures is generated.
     采用详细的甲烷氧化化学反应动力学机理(GRI Mech3.0)对不同拉伸率条件下的拉伸层流扩散火焰面结构进行了数值计算,建立了一个包含一系列拉伸层流火焰面结构的火焰面数据库.
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  chemical reaction mechanisms
     Detailed chemical reaction mechanisms of hydrogen oxidation are incorporated in the calculation.
     计算中结合了一套描述氢气氧化的详细化学反应动力学机理.
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  “化学反应动力学机理”译为未确定词的双语例句
     Chapter two: The kinetics and mechanism of oxidation of L- cysteine hydrochloride by Na_2PtCl_6 has been studied by convertional spectrophotometry in this chapter.
     第2章:利用PtCl_4为原料合成配制具有八面体结构的Na_2PtCl_6,用还原性氨基酸L-半胱氨酸及其盐酸盐还原Na_2PtCl_6,并研究其化学反应动力学机理
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     By solving two-dimensional axisymmetric Navier-Stokes equations in conjunction with the chemistry,a numerical simulation of pulse detonation process induced by flame in the tube with CH_(4)-O_(2)-N_(2) mixture and the flow field outside was performed,and a detailed chemical mechanism of CH_(4)-O_(2)-N_(2) system,which included 14 species and 19 element reactions,was involved.
     通过求解14组分和19个基元反应的CH4-O2-N2详细化学反应动力学机理的二维轴对称Navier-Stokes方程,对爆轰管内半球形高温火团引发的爆轰过程和爆轰波进入外流场后的全流场分布进行数值模拟。
短句来源
     By solving the two-dimensional Euler equations coupled with the chemistry,a numerical simulation of transient detonation process induced by flame for H_2-O_2-N_2 mixture was performed,and a detailed chemical mechanism for H_2-O_2-N_2 system,which included 19 element reactions and 9 species,was involved.
     对高温火团引发的氢气 空气混合气的瞬态爆轰过程进行了二维数值模拟,考虑了H2 O2 N2的详细化学反应动力学机理,该机理包含了19个基元反应和9种组分。
短句来源
     By solving two-dimensional axisymmetric Navier-Stokes equations in conjunction with the chemistry,a numerical simulation of pulse detonation process induced by flame in the tube with(CH_4-O_2-N_2) mixture and the flow field outside is performed,and a detailed chemical mechanism of CH_4-O_2-N_2 system of 19 element reactions and 14 species is involved.
     对高温火团引发的甲烷-空气混合气体的爆轰过程及管内、外流场做了二维轴对称数值模拟,考虑了CH4-O2-N2的详细化学反应动力学机理,该机理包含了19个基元反应和14种组分。
短句来源
     Combined the engine cycle simulation software BOOST and the detailed mechanism of ethanol chemical reaction kinetics,a single-zone model of ethanol HCCI engine was established.
     利用发动机循环模拟软件BOOST,并使用详细的化学反应动力学机理,建立了乙醇HCCI发动机的单区模型。
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      chemical reaction mechanism
    A 2-D CFD-RC code with 12 reduced chemical reaction mechanism, based upon the SIMPLER procedure, was successfully employed to predict the flame temperature and both of the SiO2 and SiO concentration profiles.
          
    The measured NO decomposition could satisfactorily be described by a chemical reaction mechanism after taking into account boundary layer corrections according to the theory of Mirels.
          
    The chemical reaction mechanism is discussed and the green product is confirmed to be biliverdin.
          
    Theevolution of the aerosol was simulated by theapplication of a gas/particle absorption model inconnection with a chemical reaction mechanism.
          
    We prove that the ω‐limit set of any solution of a complex balanced chemical reaction mechanism contains either a unique, positive complex balanced equilibrium point, or boundary complex balanced equilibrium points.
          
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      chemical reaction mechanisms
    Modern valence-bond description of chemical reaction mechanisms: the 1,3-dipolar addition of fulminic acid to ethyne
          
    Conditions and chemical reaction mechanisms by which nitrosamines may be formed in biological products with reference to their p
          
    The results show that the atomic processes and chemical reaction mechanisms in the plume formed in active oxygen are very different from those formed in inert argon and nitrogen.
          
    Molecular set theory: A mathematical representation for chemical reaction mechanisms
          
    An algorithm for the generation of chemical reaction mechanisms in the absence of catalysts tested for the reaction of CO hydrogenation is suggested.
          
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    The reaction kinetics of gas explosion suppression by water is investigated and the characteristics of gas explosion effected by water are analysed according to the chemical equilibrium theory. The probability of collision of water molecules or droplets in gas with the radicals of gas branch chain reaction varies with the water contents in the well atmosphere. So the strength of gas explosion is weak when amount of water exists in the well air. The conclusions are good agreements with the experiment results.

    分析水参与瓦斯爆炸的化学反应动力学机理,并通过爆炸反应平衡计算,说明在瓦斯爆炸链反应过程中,主要是水作为第三体或惰性液滴破坏其中的链载体,从而降低瓦斯爆炸反应能力.瓦斯空气混合物水含量增大,瓦斯爆炸能力下降,强度降低,爆炸极限浓度范围缩小.这些结论与实验结果一致.

    A great quantity of NO x and SO x is formed from combustion of coal volatiles in combustion of coal.Contents and compositions of coal volatiles are variable for different coals.This paper studied influence of different volatiles compositions on NO x and SO x emissions in coal combustion under rich oxygen.Through calculation based on chemical reaction mechanism it is found that dynamics of NO x and SO x formation are ...

    A great quantity of NO x and SO x is formed from combustion of coal volatiles in combustion of coal.Contents and compositions of coal volatiles are variable for different coals.This paper studied influence of different volatiles compositions on NO x and SO x emissions in coal combustion under rich oxygen.Through calculation based on chemical reaction mechanism it is found that dynamics of NO x and SO x formation are similar,but compositions of coal volatiles influence to NO x and SO x emissions to a great extent.A good regularity exists between NO x and SO x yields and some of characteristic parameters of fuel.

    在煤的燃烧过程中,NOx和SOx的形成大部分来源于挥发份的燃烧。对于不同的煤种,其挥发份的含量和组分是不同的。本文专门研究了煤的挥发份在富氧燃烧条件下,不同挥发份组分对NOx和SOx形成与排放的影响。通过基于化学反应动力学机理的模型计算发现,在不同组分的挥发份燃烧过程中,NOx和SOx的形成规律相似,但在煤的含氮量和含硫量相同的条件下,NOx和SOx的排放量受挥发份组分的影响较大,其排放量与燃料的某些特征参数(如本文定义的KNO和KSO2)之间存在一定的规律性

    Under normal circumstances the reaction system of NH4ClO4 + Mg + K2Cr2O7 does not burn at a constant velocity, it burns oscillatorily. The nonlinear chemical properties of the system are studied in the present paper. New formulas for the solid-phase oscillatory combustion are introduced. In these formulas, the ratio of composition is changed in order to obtain the new oscillatory combustion phenomenon. The experimental results are recorded by X-Y digital recorder and Kodak EM 1020 high speed movement analysis...

    Under normal circumstances the reaction system of NH4ClO4 + Mg + K2Cr2O7 does not burn at a constant velocity, it burns oscillatorily. The nonlinear chemical properties of the system are studied in the present paper. New formulas for the solid-phase oscillatory combustion are introduced. In these formulas, the ratio of composition is changed in order to obtain the new oscillatory combustion phenomenon. The experimental results are recorded by X-Y digital recorder and Kodak EM 1020 high speed movement analysis apparatus. The waveforms show that the formula in this study can produce oscillatory combustion. From the experimental study, it can be seen that with the increasing of NH4ClO4 and Mg contents, the frequency increases. Moreover, the change of the K2Cr2O7 content greatly affects the oscillation frequency.

    在外界环境条件恒定的情况下,反应体系NH_4ClO_4+Mg+K_2Cr_2O_7的燃烧过程是不均匀的,燃烧和光强呈周期性的强弱变化,给出了典型的化学振荡现象.本文介绍了NH_4ClO_4+Mg+K_2Cr_2O_7体系的固相振荡燃烧配方,对新配方进行了实验,研究了这个体系的固相振荡燃烧现象的非线性特性,分析了固相化学振荡的非线性化学反应动力学机理.

     
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