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According to the peculiar character of waxy crude oil, the action mechanism of Pour Point Depressant is generalized and investigated in this paper, and it is different in different growth period of wax crystal, which is closely related to the chemical constitution according to different type of PPD.

本文首先针对含蜡原油的特殊性，对其添加降凝剂的降凝机理进行了总结与探讨，对影响管输加剂含蜡原油流变性的因素进行了较全面的分析。

The performance of the electrochemical oxidation of the activated carbon in the carbonates was investigated.

研究了活性炭粉在熔融碳酸盐中的直接电化学氧化性能。

Preparation of activated carbon from peanut shells was investigated.

研究了花生壳活性炭的制备方法。

Anilido-imino nickel complex 1 {(C6H3Me2-2,6)N=CH-5-NO2-C6H3N (C6H3Me2-2,6)}NiBr was first synthesized, and its catalytic behavior toward polymerizations of norbornene and ethylene in the presense of methylaluminoxane were investigated in detail. The complex activated with methylaluminoxane exhibited high activities for norbornene polymerization.

首次合成了苯胺基亚胺镍配合物1{(C6H3Me2-2，6)N=CH-5-NO2-C6H3N(C6H3Me2-2，6)}NiBr，研究了其在助催化剂甲基铝氧烷的作用下对降冰片烯、乙烯的均聚以及对降冰片烯和乙烯的共聚的催化性能。

The structures, functions and anticoagulant mechanisms of anticoagulation factors ACF I and ACF II from the venom of Agkistrodon acutus have been investigated. Both ACF I and ACF II form a 1:1 complex with activated coagulation factor X in a Calcium ion-dependent fashion which prevents the interaction of FXa with other proteins in the coagulation process, therefore ACF I and ACF II have marked anticoagulant activity.

中文摘要：对尖吻蝮蛇毒中抗凝血因子ACF I和ACF II的结构、功能和抗凝机理等进行了深入研究，发现ACF I和ACF II均与活化凝血因子X结合成1：1的复合物，从而阻止了FXa进一步参加凝血过程中反应，因而具有显著的抗凝血活性。

The effects of trehalose on actomyosin of salted pike eel muscle were first investigated.

本实验研究了海藻糖对盐渍海鳗肌动球蛋白的影响。

In this paper, the actuals of Jingdezhen commercial shuttle kilns are investigated, and countermeasures for the problems facing them are put forward, which will be of significance to the reduction of safety risks, the policy making and the protection of the city environment.

通过对景德镇市陶瓷梭式窑使用情况的调查及存在问题的分析，提出了解决问题的对策，对消除安全隐患，行业决策及市容管理有较大的现实意义。

The optimum conditions of acyl chlorination and esterification were investigated as follows: molar ratio of DPR to PCl3 1∶0.33, reaction temperature 50℃ and reaction time 3 h.

实验结果表明：温度对于DPR酰氯化反应的影响较小；而原料物质的量之比对反应程度的影响较大，PCl3用量的增加有利于反应程度的增加。

In addition, the mechanism of reaction and the selection of the reagents have also been investigated.

最后，在充分考虑实验影响因素的情况下对以二乙烯三胺为主的混合溶剂热中晶体形貌形成的机理进行了初步探讨。

At the same time, the addition reaction of organozinc reagent and ketones was investigated.

同时对有机锌试剂与酮的加成反应进行了研究。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。