|
Abstract: The system composed of intelligent control modules for three-phase induction motors is introduced in this paper.This module can conduct starting,reverse braking,and reverse conrtol with current limiting resistance.Besides,it can also detect low
|
|
|
文摘:介绍了一种智能三相电机控制模块组成的系统，能在串电阻(电抗)起动、反接制动和换向控制的基础上进行欠压检测、过载检测、断相检测及电机故障保护.尤其适用于起动、制动和换向控制频繁的电机控制场合. |
|
Abstract: The system of the pyrotechnic oscillation burning ha ve been studied with the experimental research and the reaction mechanism analys is methods .The phenomenon of the oscillation burning has been observed and reco rded, and the relationship of
|
|
|
文摘:对具有振荡燃烧现象的体系进行了实验研究和反应机理分析；对振荡燃烧现象进行了观察和记录，得到了各反应物与振荡燃烧现象的关系。 |
|
Abstract: The technical background, the current status and existing problems of the same subject both at home and abroad in the research field of the calendar life of the military aircraft were presented.
|
|
|
文摘:介绍了军用飞机日历寿命研究的技术背景和国内外同类研究概况以及存在的问题。 |
|
Abstract: The technical components of hospital safety include safe practice in diagnosis, treatment, and first aid, and a perfect system of rear service and security guard.
|
|
|
文摘:医院安全保障体系的技术构成包括安全的诊疗救护技术、后勤供养技术和安全保卫技术。 |
|
Abstract: The technical research and practice of the construction of sea levee and platforms for the oil fields in the shoal area on the mouth of Liaohe River are briefly introduced.
|
|
|
文摘:介绍了辽河滩海油田河口地区的海堤及平台工程建设的技术研究及实践。 |
|
Abstract: The technique process and the measurement of the system as well as the control principle for the CP1 cellophane packing machine are described.The example of the retrofit by using technology of PLC and the results are presented.The program flowch
|
|
|
文摘:简述了CP1烟包透明纸包装机的主要工艺流程和系统的测量与控制原理，介绍了采用PLC进行技术改造的实例及效果，给出了程序框图。 |
|
Abstract: The technologic factors which influence the composition of iron powder are investigated,such as secondary reduction temperature, time, scale thickness. the available technologic systems that are employed to produce high quality iron powder are b
|
|
|
文摘:研究了二次精还原温度、时间、生粉料层厚度等工艺因素对铁粉化学成分的影响，提出了工业生产高品位铁粉的合理工艺制度。 |
|
Abstract: The technology of low-temperature grain storage with grain cooler for flat silo w as probed,and the effect of atmosphere temperature and humidity on the equipment during grain storage was studies.
|
|
|
文摘:重点探索了谷物冷却机在大型浅圆仓中进行低温储粮的工艺，以及储粮过程中温湿度对设备的影响。 |
|
Abstract: The test results of fly ash concrete were introduced.The optimum content of fly ash in concrete was determined.
|
|
|
文摘:介绍了粉煤灰砼的试验成果及在工程应用中的最佳掺量、最佳超量系数，为粉煤灰砼在寒区堤防护坡中的应用提供了科学数据。 |
|
Abstract: The testing methods,the testing theory,the testing virtue and shortcoming of the testing methods of the structure characteristics of nonwoven fabric,for example,the size of pore,the distribution orientation of fiber,the unevenness of the nonwove
|
|
|
文摘:论述了非织造布的几种主要结构特性(如孔隙大小分布、纤维排列方向分布、网的均匀性及瑕疵等)的测试方法及其原理与各自的优缺点.通过对比说明非织造布结构特性的测试方法的发展方向. |
|
Abstract: The theoratical reason is analysised on causing two unreasonable cases in lingerie wearing in this paper.At the same time,its improved method is proposed.
|
|
|
文摘:从女性胸衣穿着上的两种不合理现象入手,从理论上分析了产生该现象的原因,并提出了改进方法. |
