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At first, the rought C〓F〓 mixed gases are obtained by pyrolysis process of R22. A experimental pyrolysis device is designed and made by ourself. The optimum operating conditions are offered in the paper. Secondly, the much efforts is on the synthesis of R134. After through the discussion of basic thermodynamics and kinetics, selecting and preparating catalyst, it is possible that the synthesis of R134 by pyrolyzed gases hydrogenation. Base on the character of catalytic process, the kinetics equation about C〓F〓 catalytic hydrogenation is established. The rate constant of the reaction is obtained through experiment data regression. In order to achieve higher yield of R134, some optimum technological conditions is determined.

论文首先对R22裂解制成四氟乙烯混合原料气的裂解过程进行了讨论，自行设计和制作裂解反应装置，并确定裂解反应的最佳操作条件；然后，重点对R134的合成进行基础研究，分别从热力学和动力学的角度探讨以含四氟乙烯的R22裂解混合气为原料合成R134这一全新工艺的可能性，选择和制备加氢催化剂，根据催化过程特点建立四氟乙烯催化加氢反应的总包动力学方程，并在此基础上自行设计和制作中试合成装置，获得了以裂解混合气为原料合成R134的最佳工艺条件，为R134的工业化生产提供了必要的理论依据和实验基础。

Then, according to HVS, the vibrant valve is designed. On the basis of coupling analysis and simulation study of the vibrant valve and the release valve, the simulation curve about the fluid pressure variation in the pile-driving oil pipe is obtained, by which the relationships among the highest pressure value, average pressure value and the pile-driving frequency are obtained.

然后根据液压振动系统设计了振动开关阀，并重点对液压振动系统中的溢流阀和振动开关阀进行了耦合分析和仿真研究，得出压桩油路中流体压力变化的模拟曲线，并根据模拟曲线分析得出流体压力的最高压力值、平均压力值和压桩频率间的相互关系。

To achieve compact all-solid-state laser's operation, a plane-parallel cavity was employed with two mirrors separated by 1 cm, and obtained the fundamental-wave laser with central wavelength at 1044 nm. The maximal output power of 1.38 W was obtained with an absorbed power of 4.22 W, which corresponded to slope efficiency of 54%.

为了实现紧凑的新型全固态激光器的激光运转，设计了一个平平谐振腔，两个镜子的分开距离仅为1 cm，在这种腔结构下，得到了中心波长为1044 nm的基频激光输出，当吸收抽运功率为4.22 W时，基频激光的最大输出功率为1.38 W，相应功率曲线最大斜效率为54%。

Based on rice protein kinase sequences obtained from the database, kinases of functional representative and intron-free within gene were selected, 32 pairs primers were designed in this experiment; coding sequences of these kinases were obtained by PCR and cloned into yeast expression vector pEGH. GST-fusion proteins were expressed in Saccharomyces cerevisiae Y258, and their autophosphorylation activities were detected furthermore.

本实验利用公布的水稻激酶序列，选取功能有代表性并且其基因内部没有内元的32个序列，通过PCR扩增获得水稻激酶区的编码序列，克隆于酵母表达载体pEGH上，在酿酒酵母Y258菌株中表达融合蛋白质，并进行了自我磷酸化活性分析。

In the fourth chapter, an SIQR model with the delay corresponding to the quarantine period is consided. The threshold and the stability conditions are obtained, the conditions under which periodic solution occurs are obtained.

第四章，考虑了含有相应于隔离期时滞的SIQR模型，确定了各类平衡点存在的阈值和稳定性结论，分析了系统周期解存在的条件。

The constraint conditions of quasi optimal and strict optimal OOCs constructed by recursive method are theoretic analyzed. Based on these constraint conditions, as the initial conditions of OOCs obtained by direct construction, some quasi optimal and strict optimal OOCs with larger code length and sizes are obtained by recursive method.

2理论研究了基于递归法构造准最佳和严格最佳光正交码的约束条件，在此基础上，以直接构造法得到的光正交码为初始条件，利用递归法构造了一些具有相同相关特性的码长更长、容量更大的准最佳和严格最佳光正交码。

And a well-spread nondominated solution set is obtained. With the obtained set, the designer can select the most desirable design by making tradeoff among the criteria.

根据所得到的非劣解集，设计者可以很好地进行权衡折衷，找出最符合要求的设计方案。

Since the National 10th " 15Five-Year Plan ", the company has drafted and made 32 national sector standards; Obtained 66 national patents for invention and practical new patents; Developed 98 new products; Obtained 16 progress prizes in science and technologyat provincial and ministerial levels; 46 products fill in the blank of domestic production; 20 products are classified as the national-level new products, got the new record of Chinese enterprise; Light rig, large-ton well service hoist, multi-functional cable testing vehicle, etc. are classified as "national high-tech industrialization moving project "," National Torch Plan ".

十五&以来，公司起草制定国家行业标准32项；获得国家发明专利、实用新型专利66项；开发新产品98项；获得省部级以上科技进步奖16项；46项产品填补国内生产空白；20项产品被列为国家级新产品、获得中国企业新纪录；轻便钻机、大吨位修井机、多功能电缆试井车等产品被列为&国家高技术产业化推进项目&、&国家火炬计划。

Methods All mice in the experimental groups were immunosuppressed by given different concentrations of dexamethasone phosphate added in drinking water throughout the experiment. The recovery and purity of the oocysts obtained using different purification methods was compared. The infectivity of the oocysts obtained from the same origin but different animals and different purification methods in a bovine fallopian tube epithelial cell culture system was studied.

在饮水中添加不同浓度的地塞米松对人工感染小鼠进行免疫抑制，探讨获得最多卵囊数的药物添加量；比较不同纯化方法得到的卵囊回收率和纯度；探讨来自不同动物、不同纯化方法的卵囊在牛输卵管上皮细胞培养系统的感染情况。

Based on the traffic volume of the surveyed section, the TransCAD software was used to estimate actual OD matrix, which was further used to reckon trip production calibrated by the parameters of gravity model. Then, the simplified combined program of distribution-assignment was used to forecast the section traffic volume. The trip production of the project was obtained by trip rate method. The section traffic volume produced by the project for the next year was obtained by mode classification and traffic assignment.

根据调查路段交通量，利用TransCAD软件反推现状出行OD矩阵，再根据反推的OD矩阵标定重力模型参数推算出各小区出行产生量；然后利用简化的出行分布和交通分配的组合程序，得到预测的未来年路段过境交通量；应用出行率法得到项目交通产生量，通过方式划分、交通分配，可得到未来年由项目产生的路段交通量。

Hanna: That's over now, isn't it?

都结束了，对吗

You must be ill. You look so pale.

你一定是病了，你的脸色苍白。