考察

The effects of initial concentration of methylorange ,pH value of solution, concentration of Cl~- and aerating oxygen or not on photocatalytic degradation rate of methylorange were investigated with anatase TiO_2 as catalyst under normal daylight lamp.

以锐钛矿型TiO2为光催化剂，以普通日光灯为激发光源，考察了甲基橙的初始浓度、溶液pH值、Cl-的浓度以及通氧与否等条件对甲基橙光催化降解速率的影响。

Reuse of the catalyst has been studied and the reason of deactivation has been discussed.

考察了催化剂的重复使用效果，探讨了催化剂的失活原因。

The stability of V_2O_5 catalyst and the reason of catalytic deactivation were studied.

考察了催化剂的稳定性和催化剂失活的原因。

The CC solution with 7% mass fraction was exposed to solution spinning in presence of 7% dilute sulfuric acid as coagulation bath after filtration and deaeration.

探索了尿素对纤维素氨基甲酸酯/氢氧化钠溶液的增溶作用，考察了不同浓度CC溶液的流变性能，选择CC质量分数为7%的溶液经过滤、脱泡后，以7%的稀硫酸为凝固浴进行溶液纺丝。

A high efficiency decalcification agent RPD-Ⅱhas been developed for the crude with high calcium content.

针对高含钙原油开发研制了RPD Ⅱ新型高效原油脱钙剂，考察了脱钙剂注剂量、原油性质、油水混合强度、注水率和注水pH值等对脱钙效果的影响，结果表明，在剂钙比为 3～ 4时，原油脱钙率达到 90 %以上。

A high efficiency decalcification agent without phosphorus matter or metal content has been developed for Liaohe crude with high calcium content,and calcium in the crude before and after decalcification are analyzed by atomic absorption spectrometry.

针对辽河高钙原油研制开发了无磷不含金属的高效脱钙剂，利用原子吸收光谱对原油中的钙含量进行分析，考察了剂钙摩尔比、注水率、反应温度、沉降时间和搅拌时间对脱钙效果的影响。

In this paper, the cracking rule of thiophene and short chain alkylthiophenes in decane solution on modified zeolite was studied, under FCC conditions.

在催化裂化条件下，考察了改性分子筛上癸烷中噻吩及短侧链烷基噻吩的裂化规律。

The dilational viscoelastic properties of partly hydrolyzed polyacrylamide and alkyl benzene sulfonate in the absence or presence of electrolyte were investigated at the decane water interface by means of longitudinal method and the interfacial tension relaxation method.

采用小幅低频振荡和界面张力弛豫技术，研究了部分水解聚丙烯酰胺(Mo-4000)和阴离子表面活性剂2-丙基-4，5-二庚基苯磺酸钠(377)体系在癸烷/水界面上的扩张黏弹性质，并考察了电解质对体系界面流变性质的影响。

We recorded the gasping time of the mice subjected to decapitation.

采用断头方法考察人参皂苷Re对小鼠全脑缺血后喘息时间的影响。

Chapter Ⅲ studies the rise and evolution of the Malay nationalism and analyzes the British decolonization policy in Malaya.

第三章考察了战后初期马来亚民族主义运动的兴起与发展，分析了这一时期英国对马来亚的非殖民化政策。

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。