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- We have gotten 81.67% N,N diethyl o methyl aniline from the residue. 由此破坏了剩余过渡液中的共沸组成,为过渡液中其他组分的回收利用创造了条件。
- Vapour phase chromatography has rapidly become one of the most successful analytical techniques. 气相色谱法已经迅速成为最成功的分析方法之一。
- Vapour phase hydrogenation of furfural was employed to produce 2 methylfuran through a copper ammonia complex catalyst. 采用负载型铜氨络合物催化剂进行糠醛气相加氢制2甲基呋喃。
- Equilibration is then carried out in a separate chamber and the vapour phase is carried onto the column, taking the precautions necessary to avoid any changes in the equilibrium. 在隔离箱中实现平衡,气相被携带进入色谱柱,必要的注意,避免平衡发生变化。
- The vapour phase ortho-selective alkylation of phenol with methanol was investigated over spine1-type cobalt chromite catalyst with K as the supported catalyst. 摘要研究了具有尖晶石结构的铬酸钴及负载钾的铬酸钴催化剂上苯酚和甲醇气相邻位烷基化反应。
- Coronary occlusion resulted in significant diminution in amplitude of action potential (APA) and maximal depolarization rate of phase O (dv/dt), and decrease in action potential duration at 50% repolarization (APD_(50)) and 90% repolarization (APD_(90)). 阻断冠脉引起动作电位振幅(APA)和零期最大除极速度(dv/dt)明显降低以及复极50%25时程(APD_(50))和复极90%25时程(APD_(90))明显缩短。
- A technique is presented for the vapour phase epitaxy of GaxIn1-xAs in the system of AsCl3/Ga/In/H2 using a Ga/In alloy sources it is characteristic of excellent reproducibility, homogeneity and ease-to-obtain GaxIn1-xAs layers with high purity. 本文描述了一种汽相外延Ga_xIn_(1-x)As的技术:在AsCl_3/Ga/In/H_2体系中,采用Ga/In合金源汽相生长Ga_xIn_1As。
- This thesis was designed to study vapour phase surface grafting polymerization of acrylonitrile onto low density polyethylene (LDPE) film using benzoyl peroxide (BPO) as an initiator. 本文主要以低密度聚乙烯膜(LDPE)为基体膜,以过氧化苯甲酰(BPO)为引发剂,对丙烯腈(AN)气相表面接枝聚合反应进行了系统研究,以探讨接枝反应机理、优化反应条件,目的在于建立聚烯烃材料表面改性的新方法; 同时对接枝膜的阻氧性能进行了研究。
- The homogenisation temperature, that is the temperature at which the fluid and vapour phases coalesce, is the minimum temperature of depositionof the mineral. 均化温度,即流体与汽态聚结温度,是矿物沉积的最低温度。
- Halogenide vapour phase deposition system 卤化物气相淀积系统
- vapour phase matrix isolation fluorimetry 蒸气相基体隔离荧光法
- Metal Oxide Vapour Phase Epitaxy 金属氧化物蒸汽相外延
- vapour phase graft copolymerization 气相接枝共聚
- Keywords o methyl benzonitrile;o xylene;operating condition;laboratory scale; 邻甲基苯甲腈;邻二甲苯;操作条件;实验室规模;
- vapour phase hydrodesulfurization process 汽相加氢脱硫过程
- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。
- A cloud is a mass of vapour in the sky. 云是天空中的水汽团。
- Water can be changed into vapour when heated. 水被加热时,可以变成水蒸汽。
- Study of Vapour Phase Chloridization Reaction of Propylence 对丙烯气相氯化反应的探讨
- The mobile phase consisted of A(ACN) and B(H_(2)O). 流动相:A相为乙腈,B相为水,梯度洗脱;