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The mechanisms and applications of cell electrofusion were studied systematically in this PH. D dissertation in following four parts

本文从理论和应用两方面对细胞电融合技术进行了比较广泛和系统的研究，主要包括

The mechanical properties,micromorpholgy microstructure of grain boundary and phase composition of Al_2O_3 composite ceramics were systematically studied ,the effect of additives,the relationship between microstructure and mechanical strength,the sintering mechanism of the material and influence factors of the structure and properties of Al_2O_3 composite ceramics were discussed respectively.

系统研究了氧化铝陶瓷的力学性能、微观形貌、晶界显微结构，并讨论了各添加组分的作用、材料显微结构与力学性能的关系以及材料的烧结机理和影响材料结构与性能的影响因素。

The phase transformation and properties of lead zinc-niobate based ceramics were studied systematically.

分析了各种添加剂对PZN基陶瓷中焦绿石相的抑制效果以及对其电性能的影响。

Photophysics and electroluminescent characteristics of poly, copolymers from silafluorene and fluorene and copolymers from silafluorene and phenylene are systematically studied.

系统研究了宽带隙共轭聚合物聚硅芴、硅芴与芴共聚物、硅芴与苯撑共聚物的光物理特性和电致发光特性，探索了提高器件性能的途径。

A philosopher must philosophize; that is to say, he must think reflectively on life, and then express his thoughts systematically.

哲学家必须进行哲学化；这就是说，他必须对于人生反思地思想，然后有系统地表达他的思想。

In this paper, the petrology, mineralogy and geochemistry of basic-ultrabasic volcanic rock, granite and skarn related to the Sn-Cu skarn-type ore and the vein-type ore in Laochang ore field have been researched systematically, some conclusions are summarized as follows:In Gejiu tin-polymetallic district, the middle Triassic volcanic rocks belonging to calc-alkaline basalt-tholeiite serie, mainly consist of pyroxene, hornblende, feldspar, chlorite and phlogopite; All the granites are peraluminous granites related to the Yanshanian collision-orogeny. Laoka granite closely related to the tin-polymetallic deposits emplaced in the post- orogenic.The metal elements show obviously vertical zones with the variety of skarn types in dimensional extension; The occurrence of garnet skarn and diopside skarn alternately developed in the horizontal zones of the contact between granite and carbonatite are mainly related to two factors: one factor is the infiltration metasomatism of post-magmatic hydrothermal solution, the another is the metrical strata of marble and calcic-dolomite developed in country rocks.

本文重点以老厂矿田中的接触带锡铜矿床和脉状矿床为研究对象，采用化学分析、ICP-MS、X射线粉晶衍射分析、电子探针等测试手段，对本区与成矿相关的基性-超基性火山岩、花岗岩、夕卡岩、电气石-石榴石等进行了系统的地质地球化学研究，研究表明：个旧矿区中三叠纪个旧组地层中的火山岩为钙碱性玄武岩-拉斑玄武岩系列，岩石为辉石-角闪石-长石-绿泥石-金云母组合；本区的花岗岩为过铝质花岗岩，主要与燕山期碰撞造山作用有关，锡多金属成矿与形成时代最晚、分异较好的花岗岩关系密切；本区夕卡岩中的有用共生组份随着夕卡岩类型及其矿物组合的不同具有明显的分带性。

Then size properties and crystal characteristics of lily starch granules were observed with combination of photomicroscope, scanning electronic microscope , polaried light microscope and X-ray diffraction. Compared with potato starch and cornstarch, solubility, swelling power and freeze-thawing properties of lily starch were measured by centrifugal method; its thermal, rheological and mechanical properties were systematically investigated by DSC, Rheometer and Texture Analyser, respectively.

然后用光镜、电镜、偏光显微镜与X-衍射相结合研究了百合淀粉粒的表面结构和晶体结构特征，并与马铃薯淀粉、玉米淀粉相比较，用离心法考察了百合淀粉的溶解度、膨润力与冻融性能，用差示扫描量热仪、动态流变仪与质构仪等手段深入系统地研究了其热学特性、回生过程中的流变学特性和力学性能。

And the trend of intra-molecular charge transfer and possible photopolymerization mechanisms is explained systematically.

理论计算在GAUSSIAN-98程序包上完成，分子的几何结构在杂化的密度泛函理论B3LYP水平上优化，分子的激发态能量和跃迁偶极矩在含时密度泛函理论水平上计算。

So, The plant was studied systematically in botanical characteristics, phytochemistry and tissue culture, in this paper some worthy results, which filled in the gaps in the fields of the genus, are reported for the first time.

本文首次在植物学、植物化学和组织培养方面对元宝草进行了系统的研究，获得了一些有价值的成果，填补了元宝草在该领域的研究空白，为元宝草药用价值的开发利用提供了重要科学依据。

So, The plant was studied systematically in botanical characteristics, phytochemistry and tissue culture, in this paper some worthy results, which filled in the gaps in the fields of the genus, are reported for the first time. These researches provide a significant scientific basis for H.

本文首次在植物学、植物化学和组织培养方面对元宝草进行了系统的研究，获得了一些有价值的成果，填补了元宝草在该领域的研究空白，为元宝草药用价值的开发利用提供了重要科学依据。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。