反应物

Unsuccessful results were observed in the Pd/C and PPh3 catalyst system due to phenyl boronic acid containing electron-withdrawing F atom.

在Pd/C及PPh3的催化体系下，由于反应物含有吸电子F原子的苯硼酸，没有观察到偶联反应的发生。

The influence of reaction condition on the yield of isopropyl chloroacetate as investigated such as catalyst loading, molar ratio of chloracetic acid to isopropanol, reaction time and repeated use of the catalyst.

考察了催化剂的用量、反应物物质的量比、反应时间和催化剂的重复使用等因素对收率的影响。

The method of the invention is that the double decomposition reaction is employed inside four chambers of an electrodialyzer to prepare the ion liquid with the high purity, with reactant from two chambers of the electrodialysis and the product from the other two chambers of the electrodialysis.

本发明的方法是在四室的电渗析器内，利用复分解反应，制备高纯度的离子液体。反应物来自电渗析其中的两室，产物生成在电渗析的另两室。

With the self-emulsifying aqueous polyurethane containing polymeric double bond in the lateral chain acted as macromolecular emulsor and reactant for acrylate monomer polymerization, controlling the reaction amount of polymeric double bond so that adjusting the chemical bond linkage degree between polyurethane and acrylate, core-shell type interpenetrating polymer network structural aqueous acrylate polyurethane hybrid dispersion was synthesized, which is now a new type molecular composite technology for aqueous polyurethane.

利用侧链含可聚双键的自乳化聚氨酯水分散体作为丙烯酸酯单体聚合反应的高分子乳化剂和反应物，通过控制聚氨酯水分散体侧链上参与共聚的双键数目，调节聚氨酯和丙烯酸酯的化学键合程度，制备得到核壳型互穿网络结构丙烯酸聚氨酯杂合水分散体是一种新颖的复合改性技术。

Addition of ZnO is favorable to the growth of crystallites of zinc ferrite product and the decrease of reaction threshold in the equimolar reactant of ZnO+Fe〓O〓.

在等摩尔比的反应物中加过量的ZnO有利于的铁酸锌产物的进一步结晶长大，并可以降低反应阈值。

When The degree of hydrolyzation of oyster protein was 16.39%, and the proportion oyster hydrolysate to the sucrose hydrolysate was 100:3, and the reaction moisture and pH and temperature were 75% and 7.5 and 115℃ respectively, the reaction produced appropriate flavor matters, such as 2-furanmethanol which contributed good flavor to the product, while the reaction time was 0.5h. Maillard reaction was able to conceal fishiness effectively.

结果表明，当牡蛎蛋白质的水解度为16.39%，并按100∶3的比例添加砂糖水解液时，在反应物浓度为25%、pH7.5和115℃条件下反应时间0.5h能生成适量的2-呋喃甲醇等风味物质，产生适度的焦香味，达到比较理想腥味掩盖效果。

Results: The immunoreactive products of NT-4 were distributed the large neurons of ventrolateral and intermedius zone. The immunoreactive product was mainly located in cytoplasm,and many neurites were stained. In addition,many positive neurons in the dorsal horn were oberseved too.

结果：NT-4的免疫阳性反应物主要分布在腹角及中间带的大神经元，胞浆染色，神经突起内也有阳性反应。

The microscale reaction was performed by introducing the solution of benzaldehyde and phenylenediamines in ethanol, and the solution of iodobenzene diacetate in ethanol through the two inlets of the Y-shaped microfluidic chip reactor at ambient temperature.

反应物邻苯二胺和苯甲醛的乙醇溶液以及二醋酸碘苯的乙醇溶液，分别从微流控芯片反应器的&Y&型进样口注入，混合反应2分钟后，即可得到苯并咪唑类化合物。

The reaction makes full use of the specialty of isonitrile and can be used to build a series of compounds with different structural skeletons by using diverse inputs.

此反应充分利用异腈的特性，通过使用不同的反应物，可用于合成不同结构骨架的系列化合物。

Benzyl acetate was synthesized from acetic acid and benzyl alcohol as raw materials with phosphotungstic acid as catalyst.

介绍了以冰乙酸和苯甲醇为原料，采用磷钨酸作催化剂合成乙酸苄酯的方法，考察了反应物醇酸摩尔比、催化剂用量、带水剂用量、反应时间、带水剂品种、催化剂重复使用对酯化率的影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。