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The anionic polymerization of octamethylcyclotetrasiloxane (D4) catalyzed by tetramethyl ammonium hydroxide in the presence of water under conditions of high temperature and oxygen-off was investigated.

以八甲基环四硅氧烷为单体，四甲基氢氧化铵为催化剂，微量水为链封端剂，进行有水条件下环硅氧烷阴离子开环聚合。

Moreover, the micro-pattern etching of electrodes and PZT thin films have been investigated, and the fast and successful etchings have been actualized with new etchants and original methods. The technics and mechanism of anisotropic etching of monocrystalline silicon have been studied deeply, for example the influences of the concentration and temperature of tetramethyl ammonium hydroxide on the rate and effect of the anisotropic etching.

此外，结合PZT铁电薄膜热释电单元红外探测器的设计和制备，对电极和PZT铁电薄膜的微图形刻蚀工艺进行了研究，采用新的刻蚀液配方和具有独创性的方法，实现了对PZT铁电薄膜和上下电极快速、成功的刻蚀。

Furthermore,the influence of ammonium sulfate on the separation of amino acids mixture was investigated.

还考察了在混合物中含有硫酸铵时的情况。

Through screening of lipases, lipase Novozym435 was found to show the highest activity and enantioselectivity for the ammonolysis of CHBE. The effect of different solvents on the ammonolysis was investigated.

经过对脂肪酶及反应溶剂的筛选，确定最佳脂肪酶及溶剂分别为Novozym435和二氧六环；并在该反应体系中考察了温度、底物浓度、酶浓度与摇床转速对反应的影响。

Capric betaine was prepared through ammonolysis of α-chlorododecanoic acid with trimethylamine. The participation effect of the neighboring carboxyl group of α-CDA on dynamics and thermodynamics of the reaction was investigated.

以α-氯代十二酸与三甲胺的氨解反应制备α-癸基甜菜碱，研究了α-CDA在与三甲胺氨解反应中邻位羧基对反应动力学和热力学的影响。

"There's a little known and not that well investigated finding that if you have an amnesic person who can't remember the past, they're also not at all good about thinking about what they might be doing tomorrow or envisioning any kind of personal future," McDermott explains.

麦克德尔莫特解释到，"一项鲜为人知的调查研究发现，假如你是一个不能回忆过去的健忘者，那么你也将在考虑明天可能会做些什么或者预见个人未来方面表现欠佳"。

The main contents in this thesis go as follows.The polymorphic transition process of 5'-GMPNa2 from amorphism to crystal was investigated by in-situ monitoring technique and ex-situ monitoring technique. The transition mechanism was deduced to be solution mediated transition.

具体研究内容如下：利用聚焦光束反射测量仪、颗粒图像测量仪和X射线粉末衍射仪等测试手段对5'-鸟苷酸二钠由无定形体转化为晶体的过程进行了研究，推断出其过程机理为溶液过渡转化。

Besides, the atomic structure and physical properties of amorphous alloy had also been investigated in the study.

另外，论文中进行了非晶态合金的原子结构与物理性质的研究。

The effects of the ratio of water and the sample, extracting temperature, extracting time, and the sample particle size on water-soluble active ingredients of Ampelopsis grossedentata were investigated with single factor and orthogonal experiments as a measure of total flavones and water extraction ratio.

以水溶性活性成分总黄酮和水浸提率作为衡量浸提效果的评价指标，分别采用单因素和正交实验L9(34)确定了茶水比、浸提温度、浸提时间和样叶粒度对显齿蛇葡萄总黄酮和水浸提率的影响，得出了影响的主次顺序为茶水比、浸提温度、样叶粒度和浸提时间。

In the present study, the acute and sub-acute toxicity of copper on amphioxus and rosy barbs was investigated.

采用半静水实验法测试研究了重金属Cu(上标 2+)对文昌鱼和玫瑰无须鲃的急性致死毒性和亚急性毒性。

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。