起动

Screw pump suction stop valve should be fully open the case of start, to prevent overload or suck air.

螺杆泵应在吸排停止阀全开的情况下起动，以防过载或吸空。

In the present paper, the induction characteristic of lymphoblastoid, in-terferon in vitro is described. Results indicate that Namalwa cell line possesses a higher interferon-inducing ability than Raji and Yu-Nu cell lines. NDV B1 strain, F strain and Sendai virus can induce more interferon than BB1 virus and poly 1 : C. Priming of pretreating cells with homologous interferon or superinduction did not effect interferon production. The optimal cell concentration for interferon induction is about 106 cells/ml...

本文研究了类淋巴母细胞干扰素的诱导特性：Namalwa细胞系的干扰素诱生能力大于Raji和余奴系，而诱生剂中以NDV和仙台病毒诱生干扰素的能力较大，但"起动"和超诱导均无作用；诱生干扰素适宜的细胞浓度为10~6/毫升；增殖期的Namalwa细胞诱生能力较大；黄芪和5'-溴脱氧尿嘧啶核苷对Namalwa细胞干扰素的诱生系统有明显刺激作用，在最适条件下粗制干扰素平均滴度可达40，000单位/毫升。

In the present paper, the induction characteristic of lymphoblastoid, in-terferon in vitro is described. Results indicate that Namalwa cell line possesses a higher interferon-inducing ability than Raji and Yu-Nu cell lines. NDV B1 strain, F strain and Sendai virus can induce more interferon than BB1 virus and poly 1 : C. Priming of pretreating cells with homologous interferon or superinduction did not effect interferon production. The optimal cell concentration for interferon induction is about 106 ce...

本文研究了类淋巴母细胞干扰素的诱导特性：Namalwa细胞系的干扰素诱生能力大于Raji和余奴系，而诱生剂中以NDV和仙台病毒诱生干扰素的能力较大，但"起动"和超诱导均无作用；诱生干扰素适宜的细胞浓度为10~6/毫升；增殖期的Namalwa细胞诱生能力较大；黄芪和5'-溴脱氧尿嘧啶核苷对Namalwa细胞干扰素的诱生系统有明显刺激作用，在最适条件下粗制干扰素平均滴度可达40，000单位/毫升。

In the power supply circuits in intercourse of 50HZ, 1140V, start or end the main motor of adhesive tape transportation, motor of oil pump, cool the motor of Fan, start or end of tape adhesive spread and tighten motor, take-up reel, control in order or double exchange, excavate coal machine and also protect the electromotor and power supply lines.

KJZ2-1550/1140Z 矿用隔爆兼本质安全型智能真空组合开关适用于含有甲烷混合气体、具有煤尘爆炸危险的煤矿井下。在交流50HZ ，电压1140V 的供电线路中，对胶带输送机主电机、油泵电机、冷却风扇电机及胶带张紧电机、卷带电机进行起动、停止控制，并能对电动机及供电线路进行保护。

In the power supply circuits in intercourse of 50HZ, 1140V, start or end the main motor of adhesive tape transportation, motor of oil pump, cool the motor of Fan, start or end of tape adhesive spread and tighten motor, take-up reel, control in order or double exchange, excavate coal machine and also protectthe electromotor and power supply lines. CTS control and display discreteness can be set inside.

在交流50HZ，电压1140V的供电线路中，对胶带输送机主电机、油泵电机、冷却风扇电机及胶带张紧电机、卷带电机进行起动、停止控制，并能对电动机及供电线路进行保护。

Then high temperature thermosiphon is constructed and tested.

在此基础上，制作了内热虹吸式高温热管，进行了起动性能、传热性能测试。

Control method of high torque softstarter for three-phase induction motor is studied in this paper..

本文研究了三相感应电动机高转矩软起动的控制方法。

The research work of this paper is divided into five parts: The first ,according to the work characteristics of ship's auxiliary boiler, this paper is to design applied project in the automatic control system of ship's auxiliary boiler; The second, according to the work request of the cargo winch of alternating three-speed change-pole speed-adjusting, this paper is to determine adopting the method of the PLC control; The third, this paper is to design PLC application in three -phase induction motor control, to give the ladder chart, program and input and output circuit diagram; The fourth, this paper is to research the method of the ship's combined starting screen automatic control with the PLC; The fifth, this paper is to inquire the possibility of apply the PLC in ship's engine room surveillance system; According to the comprehensive analysis of above actual example of ship's auxiliary machinery automatic system with the technique of PLC; not only can use the technique of PLC to replace traditional relay-contactor control technique in ship's auxiliary machinery automatic system, but also can get the conclusion of the former is more dependable and more clever than the latter, the maintenance is more convenient, thus develop a new path for ship automation.

本文研究的工作主要包括五个部分：第一，根据船舶辅锅炉的工作特点，设计PLC在船舶辅锅炉自动控制系统中的应用方案，主要有PLC选型及输入输出点的设计，画出系统控制梯形图并分析工作原理；第二，根据交流三速变极调速起货机的工作要求，确定采用PLC控制的方法，进行控制系统的硬件设计和软件设计，并分析工作原理：第三，设计了PLC在三相异步电动机控制中的应用，给出了控制梯形图、程序及输入、输出接线图；第四，研究了用PLC实现船舶组合起动屏自动控制的方法，进行了系统的电源设计和软件设计，给出系统工作流程图；第五，探讨了船舶机舱监视系统应用PLC的可行性，将继电器报警线路改为用PLC控制报警，给出系统硬件图和软件梯形图，并分析了PLC机的选型、抗干扰和应用PLC的经济效益和社会效益等问题。综合以上船舶辅助机械自动控制系统采用PLC技术的实例分析，可以得出船舶辅助机械自动控制系统不但可以使用PLC技术取代传统的继电器接触器控制技术，而且前者比后者更可靠、更小巧，维护保养更方便的结论，从而为船舶自动化开辟了一条新的路径。无忧毕业设计网 www.5ubs.cn

In this paper,The cold-start period is divided into three phrases referred to the opening of the throttle valve.

其中HC主要排放量发生在开始起动到节气门开这一段时间内。

The intelligence motor soft starters partial hardware electric circuit has designed mainly includes the electric current, the voltage examination module, the crystal thyratron triggers and the pulse width enlargement electric circuit module, the numeral keyboard entry and the liquid crystal display output module.

设计了智能型电机软起动器的部分硬件电路，主要包括有电流、电压检测模块、晶闸管的触发及脉宽放大电路模块、数字键盘输入及液晶显示输出模块。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐