查询词典 main unit

This thesis makes harmonics analysis and simulation to the main electric devices of φ 76 Unit in order to seek solution to harmonics pollution of them. Field harmonics data of operating devices is recorded and compared to simulation results. The two are in good agreement. Then, power filter is designed and added to original circuit.

为了针对这些设备进行有目的、有根据的谐波治理方案设计，本论文对现有的Φ76机组的部分主要电气设备进行了谐波分析和仿真，并且用谐波检测仪器进行了设备处于工作状态之下的现场谐波测试，然后把仿真结果与现场谐波检测结果进行了对比，对比证明了仿真的正确性。

The basic composition of the unit aircrew[4], the control principles of production procedure and the main part have been described in this paper.

本文叙述了单元机组的基本构成、生产流程及其主要部件的控制原理。

Alveolar gas exchange in the lungs are the main part, but also lung functional unit.

肺泡是肺部气体交换的主要部位，也是肺的功能单位。

Adopt ASP. NET 2003 is regarded as the developing instrument, the design of storehouse of the data follows 3 normal form :, have designed the coding schedule of goods and materials mainly, tombarthite product structure catalogue, basic information slip of the job centre, route form of the craft , project code of the expenses, journal ledger of the cost of goods, subsidiary ledger of the cost of goods, department's form, measurement unit form, the supplies inventory safeguards the counting type structure form, real expenses form, share the proportion form in power of kinetic energy, salary expenses share proportion form, amortization charge share proportion , maintain expenses share proportion , test expenses share proportion , main frame left menu tree form , material price list ,etc. data list

采用ASP 。NET 2003作为开发工具，数据库设计遵循第三范式，符合第二范式的条件，每个非关键字属性都仅由关键字决定，而且一个非关键字属性不能仅仅是对另一个非关键字属性的进一步描述(即一个非关键字属性值不依赖于另一个非关键字属性值)。，主要设计了物资编码表、稀土产品结构目录表、工作中心的基本情况表、工艺路线表、费用项目编码、产品成本总帐、产品成本明细帐、部门表、计量单位表、物料清单维护数型结构表、实际费用表、动能功率分摊比例表、工资费用分摊比例表、折旧费用分摊比例、维护费用分摊比例、化验费用分摊比例、主框架左菜单树表、材料价格表等数据表。

The possiblehost objective reason all is very many, but, our country numericalcontrol engine bed function part development backwardness -- varietyfew, unit technical level low, performance quality insufficientlystable, the cost stays at a high level, the delivery insufficientlywas prompt and so on -- not to be able to satisfy the numericalcontrol engine bed main engine product need to develop, had noalternative but to say was most direct, the most main reason, Becauseall numerical controls engine bed all is by each kind of function part(including host 轴头, straight line rolls guide rail, ball bearingguide screw vice-, numerical control tool rest, knife storehousemanipulator, rotary table, numerical control servosystem, surveyfeedback as well as safe protective equipment and so on), the functionpart which on foundation rack and so on the lathe bed, column thecollection attire becomes is the numerical control engine bedimportant component, moreover is the indispensable part.

可能主客观原因都是很多的，但是，我国数控机床功能部件的发展落后──品种少，单元技术水平低，性能质量不够稳定，成本居高不下，交货不够及时等──满足不了数控机床主机产品发展的需要，不能不说是最直接、最主要的原因，因为所有的数控机床都是由各种功能部件（包括主轴头、直线滚动导轨、滚珠丝杠副、数控刀架、刀库机械手、回转工作台、数控伺服系统、测量反馈以及安全防护装置等）在床身、立柱等基础机架上集装而成的，功能部件是数控机床的重要组成部份，而且是不可或缺的部份。

In the paper the main topics are:(1) to analyze the chemistry composition, the X-ray diffraction, the DTA, and the functions of all raw materials;(2) to define the best direction for producing glass and foam glass, and the best burning technical process;(3) to characterize the unit weight and thermal conductivity of foam glass;(4) to analyze the reason of bubbling up, including the influence factor of temperature, time and so on;(5) to discuss the reasons of leading to shortcomings.There is high content quartz (SiO2) in the two gangues from gold mine and potassium feldspar mine respectively. They can be used to prepare glass, because the quartz (SiO2) is the main raw material.

论文的主要内容包括：1、对矿山尾矿的湿化学分析，粒度、X射线衍射和热稳定性的分析，以及硼砂、碳酸钙及制备泡沫玻璃的玻璃粉、磷酸钠实验原料在实验中的作用进行分析；2、确定尾矿烧结成玻璃体和利用玻璃体烧结泡沫玻璃的最佳配方以及两次烧结的最佳烧成工艺条件；3、泡沫玻璃制品的体积密度和导热系数等物理性能的测定；4、泡沫玻璃的发泡机理分析，包括发泡温度、发泡时间、发泡剂的用量、稳定剂的用量及其它因素对发泡作用的影响；5、讨论造成泡沫玻璃成品各种缺陷的原因及其解决方法。

The design adopt concentrated ammonia water purification recycling craft. The choice and calculations of the main construction and equipment are made, and also the flow chart, graphic layout plane, the main equipment single unit chart.

设计中采用生产浓氨水的煤气净化回收工艺流程，对煤气净化处理的主要构筑物及设备等进行了选型和计算，绘制了煤气净化回收工艺流程图、平面布置图、主要设备单件图等。

Growth of the main reasons:(1), the company the current market better products;(2) main production unit and stable operation.

增长的主要原因：（1），该公司目前的市场更好的产品；（2）主要生产装置稳定运行。

The main reasons for growth, the company marketing the current product is better, the main production unit and stable operation.

增长的主要原因，该公司目前的产品营销更好，主要生产装置稳定运行。

The focus of this design is automatically drilling vertical milling machine design, including the mechanical structure design, mechanical drive system design, and the choices and design of components on a table ,it is include: screw, timing belt, and the stepper motor Selection Guides; circuit is the main elements of the last part of the design , the control unit such PLC as the main can be quickly and easily complete the task of feeding the PLC's work, and designs the principles and procedures required by the design.

本设计的重点是自动立式钻铣床的设计，包括了机械结构设计、机械传动系统的设计，并对工作台的元件进行了选择和设计：包括丝杠、同步齿形带、步进电动机和导轨的选型；最后部分则是电路设计方面的主要内容，以PLC为主体的控制单元可以快捷方便的完成进给任务，对PLC的工作原理和本设计所需要的程序进行了设计。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失