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- H heptafluoropropane (F 227) was prepared from hexafluoropropene (HFP) and HF by a continuous hydrofluorinating reaction in a gas solid phase system, and the technology was systematically studied. 以六氟丙烯为原料,经连续气固相氢氟化反应制备了七氟丙烷,并对工艺参数进行了系统的研究。
- THE SOLID PHASE CONCENTRATION MEASUREMENT OF THE GAS SOLID TWO-PHASE FLOW BY THE SOUND VELOCITY METHOD 气粉混合物固相浓度的声速法测量
- Keywords H heptafluoropropane;hydrofluorination;catalyst;active component;gas solid phase reaction; 七氟丙烷;(氢)氟化反应;催化剂;活性组分;气固相;
- A solid or solid phase separated from a solution. 沉淀物从溶液中分离出来的固体或固体状态
- By using solid phase microextraction instrument,chloroform and tetrachloromethane in drinking water was detected in ECD of gas chromatography. 使用固相微萃取装置用气相色谱电子捕获检测器测定饮用水中氯仿和四氯化碳。
- Eulerian method and Lagrangian method were employed to deal with the gas phase and solid phase respectively. 气相场采用欧拉方法,固相场采用拉格朗日方法;
- Not only were there the gas solid two phase turbulent flows, but also there were heat transfer and cracking reaction in the commercial flow catalytic cracking(FCC) riser reactors. 工业催化裂化提升管反应器内既存在着气固两相的湍流流动,又存在着传热和裂化反应,而且这些过程是相互影响、高度耦合在一起的。
- The gas-solid two-phase flow in a semiround-pipe inertia separator is simulated with RSM model to the gas phase and DPM model to solid phase. 采用数值方法对半圆管惯性分离器内的两相流动进行了模拟,连续相、颗粒相、颗粒轨迹计算分别采用雷诺应力模型(RSM)、离散相模型(DPM)和随机轨道模型。
- Objective To develop a solid phase adsorption gas sampler, which was suitable for collection and analysis of ammonia in indoor air. 目的研制一种用于室内空气中氨采样测定的固相吸附气体采样管。
- Objective\ We developed a solid phase adsorption gas sampler, which is suitable for collection and analysis of indoor air formaldehyde. 目的研制一种用于室内空气中甲醛采样测定的固相吸附气体采样管。
- Kinetics model of pozzolanic reaction for preparation of flue gas desulfurizer was deduced on basis of solid phase reaction dynamic theory. 以固相反应动力学理论为基础,推导了粉煤灰与氢氧化钙的火山灰反应动力学表达式,得到了动力学参数,并予以验证。
- Eulerian method was employed to deal with the gas phase and Lagrangian method was employed to deal with the solid phase. 气相场采用欧拉方法,固相场采用拉格朗日方法;
- Most common substances exist in the solid phase at low temperatures. 大多数一般物质在低温下处于固态。
- For a pure liquid or solid phase, X, the activity is defined as unity. 对于纯液相或纯固相,X,其活度为1。
- Firstly,the pressure distribution of gas solid flow along the circulating route is analyzed and experimentally studied. 分析气固两相流在循环路径中的压力分布,并通过试验对其进行了研究。
- Solid phase extraction and gas chromatography-mass spectrometric method have been developed for the determination of the residues of clenbuterol in meat sample. 建立了固相萃取气相色谱质谱联机分析肉样中盐酸克伦特罗残留量的方法。
- Pentachlorobenzene cyanide was synthesized by means of gas solid catalysis and chlorination using cyanobenzene and chlorine as the raw materials. 以苯甲腈和氯气为原料,用气固催化氯化法研制了五氯苯甲腈。
- Analysis also demonstrates the difference of the transport velocity with respect to the gas phase and the solid phase in the smoke on the basis of the tests. 分析并且证明了烟气体系中烟尘颗粒与产物气体之间存在一定的速度差,为安全防护提出值得注意的问题。
- It is assumed that gas phase and solid phase exist in a state of local thermal equilibrium and the influence of radiation heat exchange has also been taken into account. 假定气相与固相处于局部热平衡状态,考虑了辐射换热的影响。