Digital mock-up (DMU) is an important theme not restricted to the automobile industry at present, although only a few people are acquainted with the origin and the definition of DMU.
Adopting computer far centralized control in cascade water power station in Han river upstream is need condition and method which adequately utilize water power resources, ensure water power station safe and economic operation, assure electric power quality and realize unmanned hydro-power plant (a few people on duty).
The project can realize the monitor to the driving force and environment of telecommunication network which can save the human resources and material resources and realize the monitor of few people even no people and ensure the network operate safely and smoothly.
This paper put forward a load distribute system of power-station unit that intelligent control load distribution among power-station units by agents cooperate each other, which will make the load distribution among power-station units more and more automatic and intelligent,play important role in the proceeding of power-station economic running, provide a basis for few people or no people on duty.
The concentrated monitor and management system of IDC can monitor and manage the environment, power and safeguard system in the computer rooms through the necessary technical data collection and unified figure management interface, so as to ensure few man on duty or even unmanned under the condition that the equipments in the room operates normally and come up to a new management standard.
All these, should improve the automatic level Only the modern computer monitoring system could realize that the economical operation and safe control in the power system of communication bureau.
The H9000 V3.0 computer monitoring and control system of the Dazhangzhuang Pump Station is designed according to the design principle of "unmanned on duty". It is realized by programmable logic controllers (PLC) connected directly to ethernet.
This paper initroduces the feature of new control equipment, based on GE90 30PLC, its function and appication is auxiliary equipment of control system at Jiangya Hydropower Station. Practice shows that this system meets the requirements for unmanned or poor manned power station.
European states already have recommended the application of Pimaricin for conservation of sausage and cheese, this substance is well known only to a few people in Germany.
Although the project elapsed time spanned months, actual on-site time was a matter of only a few man-days.
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These tasks, if implemented from the scratch, can easily consume a few man months of development effort.
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Land is a very important and valuable natural resources. Under great density of population of our country, how to use and develop it rationally is a vital problem for study on soil work and territory arrangeme-nt and administration.In this paper, we analysed the use present situation and the existng problems of land resources in Xin Yang region by a host of statistics, and expounded the essential causes of soil erosion, soil pollution, soil fertility drop,soil gleying and ploughland reduction and so on. In ...
Jujing(quarterly menstruation),which was considered as the physiologic menstrua-tion,is discussed in this article.According to“Maijing”(Pulse Classic)which it was early recorded in,Jujing often happens in the women with deficiency of Yin-essence,deficient cold of uterus or deficiencyof Qi and blood.Based on the expositions in dynasties and clinical cases,the author concludes that Jujingis a pathological phenomenon.
It has been more than one thosand and two hundred years since Jin Jiang area was exploited. The area boasts its geographical position with threesides facing the swa and the city of Quan Zhou surrounced by many othertowns and counties. It is the hometown of many overseas Chinese and has a long history of foreign trade. All these gave a tremendous push to itsformation and development in history. There is less land but more people in Jin Jiang area. Agriculture has a strong te- pellency to labour. In tecent y...