查询词典 reaction coil

The smaller the ironstone particles are, the higher are their surface areas, the faster are the reaction rates. Temperature have no influences on this reaction. The reduction capacity of limonite was found to be 7.77 mg Cr/g.

铁矿石颗粒的直径越小，比表面积越大，也对反应越有利，而温度对Cr的去除影响不大。100目的褐铁矿颗粒去除Cr的能力为7.77mgCr/g。

It was found that VAC can be smoothly photografted onto LDPE film with"film combination"system, e. g. conversion percent and grafting efficiency are 70％ and 76％, irrespcetively, with UV intensity of 5400μw/cm〓 and irradiation time of 3min. The reaction orders of polymerization rate to monomer concentration and photoinitiator concentration are about 1 and 0.76, irrespectively, showing that chain transfer reaction takes place with much ease in VAC/LDPE system.

发现利用本文所设计的方法可将VAC快速地接枝在LDPE膜表面，如在光强为5400μw/cm〓，光照3min时，转化率和接枝效率可分别达到70％和76％；聚合反应速率对单体的反应级数约为1，而对光引发剂的反应级数为0.76，说明VAC光接枝聚合中链转移反应占相当大的比例。

It is proved that the electrochemical reaction of the Be〓 complex is irreversible process, and the equation of electrode reaction had been proposed.

讨论了络合物的伏安行为，认为络合物的氧化是一不可逆吸附波，写出了可能的电极反应式。

The optimum reaction conditions were obtained as follows: 2mL of 1.0×10^(-3)mol/L isatin violet; 1.5mL of 4.0×10^(-3)mol/L sodium persulfate; 0.5mL peg; the reaction temperature is 75℃.

确定了最佳的褪色反应条件为：1.0×10^(-3)mol/L靛红2mL、4.0×10^(-3)mol/LNa2S2O81.5mL、PEG4000.5mL；反应温度为75℃。

Starting with the readily available isatin, two designated key cyclization precurors 25 and 26 were synthesized respectively by 5 steps and 6 steps reactions ,with Wittig reaction and Corey-Chaykorsky reaction as key steps.

以商品可得的吲哚醌为起始原料，分别经过5步和6步以Wittig烯烃化，Corey-Chaykorsky反应为关键步骤的合成路线，得到2个用于的环合反应的前体亚胺25和26。

The current situation of utilizing isobutane and isobutylene in China were introduced, the reaction mechanism, reaction process and types of catalyst for preparing isobutylene via dehydrogenation of isobutane were narrated emphatically.

介绍我国异丁烷和异丁烯资源的利用现状，重点对异丁烷脱氢制备异丁烯的反应机理、反应流程和催化剂类型进行了论述。

Kinetics of isobutylene hydration reaction catalyzed by fine powder of NKC-9 ion exchange resin,and effects of catalyst concentration,temperature,pressure,stirring rate and isobutylene concentration on reaction were studied in a semibatch reactor.

采用半连续反应过程，使用NKC -9离子交换树脂细粉，改变催化剂浓度、反应温度、反应压力、搅拌转速和异丁烯浓度等条件，对异丁烯水合反应动力学进行了实验研究。

This paper studied competing reaction parameters of isocyanate with alcohol and water at room temperature based on its independent reaction.

摘 要：本文基于异氰酸酯分别与醇和水的独立反应，研究求解了异氰酸酯在室温下与醇和水的竞争反应参数。

The addition reaction of diazo pyrazoles and isocyanate has been investigated and the mechanism of this reaction has been guessed.

研究了重氮基吡唑同异氰酸酯的环加成反应，初步推测了该反应的机理。利用此反应设计了一类可能具有生物活性的吡唑骈[5，1-d][1，2，3，5]四嗪-4-酮类衍生物。

The effect of the addition of the crystal seed in the jarosite preciptation was investigated and the results showed that the crystal seed would accelerate the crystallizing rate of jarosite formation, which convert the reaction mechanism from the crystallization kinetic rate control into the chemical reaction kinetic control.

阐述了晶种加入对沉矾影响的过程机理，认为晶种的加入加快了沉矾反应的结晶速度，使反应由结晶的动力学控制过渡到化学反应动力学控制，足量晶种加入情形下沉矾过程的活化能为94.66KJ／mol，表明了氯化物体系铁矾沉淀较硫酸盐体系中更易进行。

I think people in this lifetime in a rebirth.

我觉得人在这一生里其实也在轮回。

He had to tie her hands together.

他不得不把她的双手绑在一起。