查询词典 reaction coil

In the prebleaching of kenaf bast and pine pulps, the reaction conditions for the hemicellulase pretreatment are optimized as follows: temperature 50℃, pH 5. 0 and reaction time 2hr, as well as 0.2% of enzyme charge.

实验确定了半纤维素酶预处理的优化条件：pH=5.0，温度50℃，酶处理时间2hr和酶用量0.2%。

From what I understand, they didn't want to sound uncertain on draft night, since that's a typical Clippers reaction. This is a very important time for them in terms of season ticket renewals, which is why they had that kneejerk reaction.

眼下的一段时间对于他们下赛季能否重振门票销售情况至关重要，这也是他们在得到状元签后立即做出反应的原因之一。

It should be noted that the reaction with alkylimines failed to give the,β-lactam under current standard reaction conditions.

值得注意的是，在相同条件下，烷基亚胺参与的该反应都没能得到相应的β-内酰胺。

The orthogonal design method is adopted, by changing catalyst category, catalyst quantity, reaction time, reaction temperature, to select the optimum conditions for lactide synthesis.

实验采用正交设计方法，通过改变催化剂种类、催化剂用量、脱水时间、环化时间四个主要影响因素进行实验，根据实验结果选择最好的丙交酯制备的实验方案。

Since respiratory tract infections, including IB, are critical in the poultry industry, a multiplex reverse transcription-polymerase chain reaction assay that detects avian viral respiratory pathogens in the same reaction was developed for the economic and clinical needs. Four sets of specific oligonucleotide primers for infectious laryngotracheitis virus, IBV, Newcastle disease virus, and avian influenza virus were used in this study.

由於呼吸道疾病对於家禽产业有很大的影响，因此基於经济与应用在临床上区别诊断的考量，本实验室发展多引子反转录聚合酶链锁反应，一共使用四组针对传染性喉头气管炎病毒、传染性支气管炎病毒、新城病病毒、以及家禽流行性感冒病毒的特异性引子来进行测试。

A preferred form of the invention is a process comprising adding to a quantity of sodium which is covered with a hydrocarbon solvent boiling above 100°C., at least a chemically equivalent proportion of methyl, ethyl or a propyl alcohol, subsequently adding an approximately equivalent proportion of a dialkyl carbonate and of an alkyl phenylacetate, the alkyl groups in these two last-mentioned compounds being preferably the same as the alkyl radical of the above-mentioned lower aliphatic alcohol, heating the mixture to induce reaction and continually distilling out the alcohol formed from the reaction zone.

本发明的理想形式包括下面的工艺过程：把至少处于化学平衡的甲醇，乙醇或丙醇添加到覆盖着沸点超过一百摄氏度的碳氢化合物溶剂中，接着加入大约相同当量的二烷基碳酸酯和烷基乙酸苯酯，在刚才提到的化合物中，其烷基集团最好是和刚才提到的低级别脂肪族醇相同，然后加热反应混合物从而引导反应的进行，在反应区域通过连续蒸馏移除形成的醇类。

Process for the manufacture of a dialkylphenylethylmalonatewhich comprises adding to a quantity of sodium which is covered with a hydrocarbon solvent boiling above 100°C, at least a chemically equivalent proportion of methyl, ethyl or a propyl alcohol, subsequently adding an approximately equivalent proportion of a dialkylcarbonate and of an alkyl phenylacetate, the alkyl groups in these two last-mentioned compounds being preferably the same as the alkyl radical of the above –mentioned lower aliphatic alcohol, heating the mixture to induce reaction and continually distilling out the alcohol formed from the reaction zone and finally causing the sodio diethyl phenylmalonate so formed to interact with an ethylating agent.

生产二烷基苯基丙二酸酯的工艺过程：这包括这包括把至少处于化学平衡的甲醇，乙醇或丙醇添加到覆盖着沸点超过一百摄氏度的碳氢化合物溶剂中，接着加入大约相同当量的二烷基碳酸酯和烷基乙酸苯酯，在刚才提到的化合物中，其烷基集团最好是和刚才提到的低级别脂肪族醇相同，然后加热反应混合物从而引导反应的进行，在反应区域通过连续蒸馏移除形成的醇类。最后使所形成的钠代二乙基苯基丙二酸酯和乙基化试剂反应。

Alpha lead azide ; thermal initiation ; reaction in solid ; thermal explosion reaction

α-叠氮化铅；热起爆；固相反应；热爆炸反应

The influences of reaction temperature, reaction time and the ratio of reactants on the formation of lead carbonate crystallites were investigate.

通过实验确定了解制备碳酸铅的最佳工艺条件：反应温度为 95℃，反应时间为 5 h，反应物浓度为0 。5 mol/l，反应物配比为 1∶ 6。

During the study, many factors, such as: density of H2SO4 solution, reaction ratio of materials, reaction temperature and time, are studied how to effect the extraction yield of Li2O. After these studies, the optimal conditions are summarized: 50% H2SO4 solution and lepidolite powder which has been grounded to a particle size of 80~100microns, react at 2:1ratio,120℃ temp for 8h～10h.

在此过程中主要探索了硫酸水溶液的浓度对氧化锂提取率的影响，以及硫酸溶液与云母粉的反应配比、反应温度、反应时间对提取率的影响；研究了提取液pH值的调节对溶液中金属离子的影响。

It also analyzes the feature and development of semi-finish grinding and finish grinding by roller press.

同时进行了辊压机半终粉磨和终粉磨系统的特点和发展分析。

When I got there, water was dripping slowly from the ceiling and forming a pool on the floor.

当我到那里的时候，水是慢慢地从天花板滴而且形成在地板上的一个池。