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explosive reaction
相关语句
  爆炸反应
     In the NiAl(Co) and TiC nano-compounds, the grain size of NiAl(Co) is only about 10nm and that of TiC is 35~50nm when ball-milling Ni_(50)-Al_(45)-Co_5-10% (volume fraction)TiC powders by the reaction mechanism of the explosive reaction.
     结果表明,球磨Ni50 Al45 Co5 10%TiC粉末过程中,爆炸反应机制生成NiAl(Co)和TiC化合物,其中NiAl(Co)化合物晶粒仅为10nm左右,TiC晶粒为35~50nm。
短句来源
     It was found that the initial time of the explosive reaction was delayed 20 minutes as the volume fraction of TiC was increased to 20%.
     但当TiC含量增加到20%时,其爆炸反应起始时间延后20min。
短句来源
     Discussion about the Pressure of CO Explosive Reaction in Air
     CO爆炸反应压力探讨
短句来源
     Two seprate chemical reactions Ni+AI→NiAl and Ti+ZB→TiB2 are involved in the explosive reaction.
     其反应生成机理属于爆炸反应生成模式,并包含着两个独立的化学反应,即Ni+Al→NiAl,Ti+2B→TiB2。
短句来源
     WT5BZ]Reactive milling elemental mixed powders have been used to synthesize NiAl HfC composite The formation mechanism can be attributed to two explosive reaction, Ni+Al→NiAl+△H;
     球磨 Ni,Al,Hf,C元素粉末反应合成 Ni Al- Hf C复合材料 ,形成机制归结为机械碰撞诱发的双爆炸反应 (Ni+Al→Ni Al+△H;Hf+C→ Hf C+△ H)。
短句来源
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  “explosive reaction”译为未确定词的双语例句
     NiAl(Co) and TiC nano-compounds were obtained using mechanically alloying Ni_(50)-Al_(40)-Co_(10)-10%(volume fraction)TiC powders. However, increasing with the content of Co, the mechanism of the forming process was changed from the explosive reaction (5% Co, atom fraction) to the inter-diffusion reaction (10%Co, atom fraction).
     同时随着Co含量增加,Ni50 Al40 Co10 10%TiC粉末的机械合金化的产物仍为NiAl(Co)和TiC,但NiAl(Co)化合物的生成机制转变为扩散反应机制。
短句来源
     GLOBAL CALIBRATION METHOD OF THE CONSTITUTIVE RELATIONSHIP IN AN EXPLOSIVE REACTION ZONE
     反应区中炸药本构关系式的整体标定方法
短句来源
     At last,combined with the analysis on the experiment results,the thermal explosive reaction micro-model was proposed.
     结合实验结果与分析 ,描述了该体系热爆反应的微观模型。
短句来源
     Pictures of high-speed photography also indicate that the explosive reaction time of solid FAE is longer than TNT and the volume of explosive fireball of solid FAE is larger than TNT in the same conditions.
     高速摄影观测结果显示,固态燃料小型FAE装置爆炸的化学反应持续时间大于等质量TNT。
短句来源
     The dispersion Velocity, Radius and temperature of the fuel with explosive reaction were measured by use of high speed photography and infrared transducers.
     利用高速摄影和红外测温计,实测了伴有爆炸反应的FAE燃料扩散速度、半径及云雾的温度;
短句来源
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  explosive reaction
A concentrated heat source moves at constant speed through a diffusive medium which can support an explosive reaction.
      
Observation of rapid explosive reaction in Ni-Al bilayer films
      
Single-phase crystalline fine particles of (CrxV1-x)2O3 have been synthesized by a vapor-phase explosive reaction of a gas mixture of CrO2Cl2 + VOCl3 + H2 + O2 induced by a single laser pulse.
      
Interaction of impact shock waves that could detonate an explosive (Composition B) confined in a thin-walled container impacted by a cone-nosed projectile is numerically studied, based on the Forest Fire explosive reaction rate model.
      
Interaction of impact shock waves that could detonate an explosive (Composition B) confined in a thin-walled container impacted by a cylindrical projectile is numerically studied, based on the Forest Fire explosive reaction rate model.
      
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Group transfer polymerization (GTP) monomer (acrylonitrile)was reported.It has very high GTP activity and an explosive polmerizationcan be observed.A detail description for acrylonitrle GTP was given.Becauseacrylonitrile is no a good solvent for poyacrylonitrile,bulk polymerization isa precipitation polymerization and difficult to conduct the plymerization heat.An explosive reaction happens in bulk polymerization.But it can be controlledby N,N-dimethylformamide solvent in solution polymerization.lf solvent...

Group transfer polymerization (GTP) monomer (acrylonitrile)was reported.It has very high GTP activity and an explosive polmerizationcan be observed.A detail description for acrylonitrle GTP was given.Becauseacrylonitrile is no a good solvent for poyacrylonitrile,bulk polymerization isa precipitation polymerization and difficult to conduct the plymerization heat.An explosive reaction happens in bulk polymerization.But it can be controlledby N,N-dimethylformamide solvent in solution polymerization.lf solvent vol-ume is no less than monomer volume,this solution polymerization is a ho-mogeneous polymerization and the explosive polymerization can be avoided.

使用新引发剂对丙烯腈(AN)进行基团转移聚合(GTP)研究,发现 AN 具有极高的GTP 活性,很容易发生爆炸式聚合。爆炸是由聚合速度快与热扩散困难双重团素引起的。还发现了沉淀式 GTP,它是在本体聚合或以 THF 为溶剂时发生的。使用 DMF 作为 GTP 溶剂,溶剂量足够时可以抑制爆炸的发生。

The constitutive relationship for describing the properties in an explosive reaction zone consists of the chemical reaction rate equation, equations of state of the explosive and products, and laws governing their mixing. In this paper, a global calibration method is proposed, that is, using the results of Lagrange tests and Lagrange analysis to calibrate the constitutive relationship of an explosive. In order to show the effectiveness of this method, we have calibrated five constitutive...

The constitutive relationship for describing the properties in an explosive reaction zone consists of the chemical reaction rate equation, equations of state of the explosive and products, and laws governing their mixing. In this paper, a global calibration method is proposed, that is, using the results of Lagrange tests and Lagrange analysis to calibrate the constitutive relationship of an explosive. In order to show the effectiveness of this method, we have calibrated five constitutive relationships of TNT and TATB at different physical-mechanical conditions. These relationships have directly been used in 1-D and 2-D numerical simulations. They simulated fairly well the records of tests, and no coefficients of constitutive relationship were adjusted. This method is a quick and economical way for the calibration of the constitutive relationship of explosives, The calibration process depicts a clear physical picture and its errors can be estimated. During the calibration, not only the coefficients of the rate equation are determined, but the consistency among these equations, which constitutes the constitutive relationship of explosives, is established at the same time.

化学反应速率方程加上炸药和产物的状态方程以及混合法则构成了描述炸药反应区性态的本构关系式。本文提出了用一维拉氏实验和拉氏分析的结果对这种关系式进行整体标定的方法。为了表明本法的有效性,标定了TNT和TATB炸药在五种不同物理—力学状态下的本构关系式。将它们用于一维和二维数值模拟计算,在不调整任何本构关系式参数的情况下,较好地模拟了实验结果。整体标定法的优点是省时,经济,物理图象清晰,可进行误差分析,并在标定化学反应速率方程的同时,它与构成本构关系式的其他方程之间的相容性也随之确定。

The group transfer polymerization(GTP)is a new method of polymersynthesis. A novel initiator,benzylthio trimethyl silane(BTTMS)has been prepared in thepresent study with 80% theoretical yield by reacting trimethylchlorosilane and benzylthiomercaptan in the presense of triethylamine in ether. This initiator has the advantages of easypreparation,low cost and high stability,especially against moisture,compared with com-monly used ketene silyl acetal.BTTMS is so reactive that an explosive reaction has beenusually...

The group transfer polymerization(GTP)is a new method of polymersynthesis. A novel initiator,benzylthio trimethyl silane(BTTMS)has been prepared in thepresent study with 80% theoretical yield by reacting trimethylchlorosilane and benzylthiomercaptan in the presense of triethylamine in ether. This initiator has the advantages of easypreparation,low cost and high stability,especially against moisture,compared with com-monly used ketene silyl acetal.BTTMS is so reactive that an explosive reaction has beenusually observed when it is used to initiate acrylonitrile polymerization. It is also found toinitiate rapid acrylate polymerization with high polymer yield.BTTMS has also proved to beuseful to prepare biblock copolymer and A-B-C type triblock copolymer with methylmethacrylate,butyl acrylate and acrylonitrile segments. The reactivity of BTTMS is com-pared with the most commonly used GTP initiator. Its chemical structure is studied with  ̄1H-NMR and its polymerization machanism is discussed.

报道一种基团转移聚合新引发剂—苄硫基三甲基硅烷,并对其制备方法进行改进,实现了一步合成且得率较高。新引发剂贮存稳定性好且有较高的引发活性,能引发丙烯腈暴聚,也能使丙烯酸酯类单体在高得率下快速聚合,但引发甲基丙烯酸甲酯聚合速度较慢,得率也较低。还用新引发剂合成了二元嵌段共聚物及A-B-C型三元嵌段共聚物。探讨了新发剂引发各类单体基团转移聚合的机理。并将新引发剂与最常用基团转移聚合引发剂进行活性比较。

 
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