定

The development of antibiotics agents and β-lactam antibiotics were briefly described in this paper, both the development of cephalosporins and the characteristics of Cefradine were introduced.

本论文简述了抗生素及β—内酰胺类抗生素的发展概况，详细介绍了头孢菌素类抗生素的进展与第一代头孢菌素类药物——头孢拉定的特点，着重研究了头孢拉定的合成。

The development of antibiotics agents and β-lactam antibiotics were briefly described in this paper, both the development of cephalosporins and the characteristics of Cefradine were introduced. The synthesis of Cefradine was studied particularly.

本论文简述了抗生素及β—内酰胺类抗生素的发展概况，详细介绍了头孢菌素类抗生素的进展与第一代头孢菌素类药物——头孢拉定的特点，着重研究了头孢拉定的合成。

The purpose of this study is to design a salary system and to evaluate related working performance. Fifty-two ranks of official positions, and a Liker's like performance evaluation scale were used.

本研究目的在於订定一套医院的工作说明书、工作评价表，并透过工作评价，订定职务价值之高低，最后建立一套医院各类人员薪资等级表。

It found out the best value of Kp and Ti、Td by using twice linear search, respectively.

提出了一种PID参数最优整定方法，两次采用线搜索分别整定出Kp和Ti、Td。

The paper studies UFLS with several times accelerating shedding load function, analyzes dynamic frequency characteristic of power system during UFLS, derives the formula which is served as setting rate of frequency change for criterion of accelerating shedding load, and designs the logical diagram expressing UFLS operation.

研究了同时依据频率和频率变化率两个变量，在每个频率定值处设置加速减载功能的低频减载方案。文中详细分析了低频减载过程中频率的动态特性，推导了作为加速减载判据的频率变化率整定值的计算公式。

The paper studies UFLS with severaltimes accelerating shedding load function, analyzes dynamic frequencycharacteristic of power system during UFLS, derivesthe formula which is served as setting rate of frequency change for criterionof accelerating shedding load, and designs the logical diagram expressing UFLSoperation.

研究了同时依据频率和频率变化率两个变量，在每个频率定值处设置加速减载功能的低频减载方案。文中详细分析了低频减载过程中频率的动态特性，推导了作为加速减载判据的频率变化率整定值的计算公式。

The company has 320 staff,39 medium and senior technicians , 2 magnesite carbon quality of production line,2 unshaped refractories of production line,with annual production of shaping refractories 50000 tons,unshaped refractories 30000 tons.

我公司现有员工320人，中、高级科技人员39人，拥有现代化的镁碳质定形生产线2条，不定形制品生产线2条，年生产能力为定形制品5万多吨，不定形制品3万多吨。

The selfmade microtitration was convenient and accurate, could be used to determining the contents of chlorphenamine maleate.

自制微型滴定装置具有较好的操作性能和精密度，符合滴定分析法的要求，可用于测定马来酸氯苯那敏的含量。

The problems in the application of electric contact manometer pressure leveling system are elaborated.

阐述了电接点压力表补水泵定压系统的一些应用问题，给出了电接点压力表定压点的上、下限计算公式，并提出了该系统补给水泵、补给水箱及安全阀的设计选型方

Using integral equation theory and"contraction mapping"theorem, we prove that this model has a unique solution.

接着用压缩映象原理证明了此模型解的存在唯一性，这为讨论经济系统的稳定性奠定了数学基础，又通过对定常的投资方程渐近稳定性的研究和非定常投资方程Liapunov稳定性研究，我们分别讨论了积累率、劳动力和科技进步对经济增长的作用，进而指出只有依靠科技进步才能实现经济的持续增长，才能真正提高人民的生活水平。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。