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Effects of 3 kinds of plant-based materials including 14 materials on Blattella germanica were studied, Effects of 2 kinds of expellents and 2 kinds of pesticides were also studied, for the propose of comparation with the plant-based materials and evaluation of the latter.

本研究选用三大类共14种植物性物质对德国小蠊的防治进行了研究，同时对2种常用驱避剂和2种常用卫生害虫杀虫剂对德国小蠊的作用进行了测定，以期对植物性物质的作用进行比较评价。

On the basis of summarizing separation method of acetic acid-water system, we studied the azeotropic distillation process of acetic acid-water system, selecting butyl acetate, isobutyl acetate and isopropyl acetate as entrainers. The influence of packing height, ratio of water to entrainer and acetic acid initial concentration to separation effect of azeotropic distillation was studied in detail. Simulation calculations of general distillation and azeotropic distillation were carried out. The influence of reflux ratio, theoretical plate, feed position, feed temperature and feed concentration to distillation process were discussed. Preferred process operation parameter, which had guiding meaning to practical production of distillation process were obtained. Basic data for the process amplifying design of azeotropic distillation tower were provided. Invest and operation energy consumption of two distillation methods were compared. The elementary technical design of azeotropic distillation tower was carried out on the basis of result of simulation calculation. The type of major auxiliary equipments and inner parts of packed tower were selected.The research results are as follows:(1) Butyl acetate, isobutyl acetate and isopropyl acetate could be selected as entrainer, and separation effect was near.

本文在综述醋酸-水体系分离方法的基础上，以醋酸丁酯、醋酸异丁酯、醋酸异丙酯为挟带剂，对醋酸水溶液进行共沸精馏过程研究，详细研究了填料高度、水与挟带剂的配比、醋酸初始浓度等对共沸精馏分离效果的影响；对醋酸-水体系进行普通精馏和共沸精馏过程模拟计算，讨论了回流比、理论板、进料位置、进料温度和浓度对精馏过程的影响，获得了对醋酸-水体系精馏过程实际生产具有指导意义的较佳的工艺操作参数、共沸精馏塔的工艺设计放大的基础数据，并对两种精馏方法的投资、操作能耗进行了比较；同时在共沸精馏模拟计算的基础上进行了共沸精馏塔的初步工艺设计计算，并对填料塔的主要辅助设备及塔内件进行了初步选型。

The problem of how to correct the profiles of roller gear cam is studied.The function of CMM is studied according to the CMM that is owned by Engineering training center. A method of using CMM to measure surface error of roller gear cam is researched.

结合工程训练中心现有的三坐标测量机设备，仔细研究了三坐标测量机所能实现的测量功能，提出了一种用三坐标测量机测量弧面分度凸轮轮廓面误差的方法。

Firstly, we research the Vlasov antenna with reflector mainly. A new method to calculate the radiation of the antenna is founded with Vectorial Theory of Diffraction, and the corresponding program is made. The reflective characters of Vlasov antenna are studied with Moment Methods, and the results show that the total reflected energy is less than 0.25%. The radiation patterns of the antenna are analyzed, and the formulas to estimate the wave beam parameters and to design the antenna are provided. The feasibility of radiating high-order modes by Vlasov antenna is also discussed and verified. The hermetization of the Vlasov antenna is researched and the results show that with such kinds of hermetization the antenna can work under gigawatt level. The design of the mode converter from TEM to TMoi is studied, which is useful when the TEM coaxial mode is radiated by Vlasov antenna. At last, the flared-end Vlasov antenna is also discussed.

在Vlasov天线方面：用矢量绕射理论建立了天线辐射场的计算模型并编写了计算程序，该程序计算结果在主瓣上与实验测量吻合良好，近旁瓣也基本一致；利用矩量法计算了天线的反射系数，表明该天线有较小的反射，总的能量反射小于0.25％；详细分析了天线的辐射特性，给出了天线辐射波束相关参数的估算公式和天线设计公式；进一步研究和论证了Vlasov天线辐射高阶轴对称模的可行性；对天线的密封方式和功率容量进行了讨论，结果表明在不需很大密封罩的情况下可以获得GW级的功率容量；为了用Vlasov天线辐射同轴TEM模，研究了TEM-TM_(01)模式转换器的设计，得到了一些基本规律；最后，介绍和分析了带有锥形喇叭的Vlasov天线。

To improve spinosyn-producing strain and enhance spinosyns yield, we studied the effects of glycin concentration and the operational time, temperature and lysozyme concentration on protoplast preparation of Saccharopolyspora spinosa SP06081. We also studied different regeneration media and osmotic stabilizing agents.

为了改良多杀菌素生产菌种，提高多杀菌素产量，研究了甘氨酸添加浓度、溶菌酶作用时间、温度和浓度对多杀菌素生产菌刺糖多胞菌Saccharopolyspora spinosa SP06081菌株原生质体制备和再生的影响，并考察了不同再生培养基和渗透压稳定剂对其再生的影响，确定了该菌株原生质体制备和再生的最佳条件。

Dynamic motion study Deep tow system often works under complex sea condition, so the vehicle responses to draw-in and let-out cable are studied, the response to heaving is studied too.

缆体系统动态运动分析深拖系统常常工作于复杂的海况条件下，拖体一般是不带动力的，仅靠母船的机动和支持保持拖体的定深和避碰，因此，本文在缆体系统动态分析的基础上，研究了拖体对缆顶端的收放缆运动及垂荡运动的响应。

Equidistance point and difference theory in theory of function approximation are studied. Meanwhile, the relation among difference, difference quotient and derivate is revealed. By drawing Lagrange's and Cauchy's theorem of mean on difference and Taylor's formula into difference function, four theorems, such as Lagrange's theorem of mean on difference, are concluded in simple way. On the basis of these conclusions, the asymptotic property of middle point is studied, a series of new conclusions are drawn and the discussions on the asymptotic property of middle point in differential mid-value are summarized.

对函数逼近论中等距节点和差分理论进行了研究，揭示了差分、差商与导数之间的联系；将Lagrange中值定理、Cauchy中值定理、Taylor公式引入到差分函数中，简明地推导出Lagrange差分中值定理等4个定理，并在此基础上对&中间点&的渐近性进行了研究，得出了一系列&中间点&的渐近性的结果，概括了有关文献对微分中值公式的&中间点&的渐近性的讨论；给出的引理改进了函数逼近论的证明方法，精简了函数逼近论中的一些内容。

The luminescent properties with the Al_2O_3 and SrO content, as well as minute amount of iron in glass host were studied. In addition, the influence of synthetic temperature, holding time and atmosphere on their luminescence properties was studied.

重点研究了玻璃母体中Al_2O_3与SrO含量以及微量铁存在对复合材料发光性能的影响，同时也研究了合成温度、保温时间和气氛条件对复合材料发光性能的影响。

Based on a non-linear model of cyclic 2 DOF substructure of shrouded blisk , the natural frequency and forced response of a mistuned shrouded blisk have been studied by using a statistic theory. The mistuned coupling strength between shrouds has been specially studied.

李琳基于带冠叶盘的二维子结构循环非线性力学模型，用概率统计的方法讨论了带冠叶盘系统的非谐调对其固有特性以及受迫响应特性的影响，重点研究了叶冠间非谐调耦合程度的影响。

I don't,we don't have such a logic that in a cabinet if one member or several members have been studied in former soviet union or in any other countries,then this cabinet will be pro-soviet union or pro-any coutry.we don't have this logic.i think no matter where the members of the cabinet once studied or what experience the members of the cabinet used to have,this cabinet is the cabinet of china.

钱其琛：任何一个内阁里面有人在前苏联留过学或者是在其他国家留过学，就认为这个内阁一定是对哪个国家怎么样，我看这个逻辑不存在。我们中国的内阁都是不管从哪里学习回来的，有什么经验都是中国的内阁。

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。