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In order to meet the requirements of condition-based maintenance of hydroelectric facilities,based on the proposed information model the software sensor is designed,which can obtain unmeasurable characteristic information in the dynamic process.

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In order to make the adjustment and maintenance of the original coal conveyor belt offset compensator of Mudanjiang No.2 Power Plant easy and to improve its waterproofness, a new automatic coal conveyor belt compensator is employed to achieve remote control, automatic adjustment of coal drop point and automatic compensation of conveyor belt offset, thereby improving operational reliability of conveyor belt.

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In the aspect of customer satisfaction, the subjects felt satisfied with "the overall landscape of the golf course" the most, and then "the service attitude of the caddies","tree planting on the golf course", and "maintenance of the putting greens turf" in order.

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In the maintenance of social order and stability, preventing and combating crime increasingly play an important role.

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Standardizing information disclosure of listed companies accounting contribute to the maintenance of the normal order of securities markets, preventing and combatting fraud action and protecting legitimate rights and interests of information users.

規(guī)范上市公司會計信息披露有助于維護(hù)證券市場的正常秩序，防止和打擊欺詐行為一级黄片91，保障信息使用者的合法權(quán)益WWW.禁。

To make the design and manufacture of the spring contact more standardized,the authors analyzes the causes of such problem as contact resistance fluctuation of the spring contact in use,and proposes a corresponding structure design method of spring contact.Comparison and analysis are performed for the properties of cobalt bronze and beryllium bronze,and a standardized design scheme of spring contact is presented,in order to support the design,manufacture,operation and maintenance of GCB/GIS.

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Along with enterprise paying more attention to the importance of quality detection and detection instruments using popularly,a lot of information is stored, so it is urgent to build dealing with detective data information system. This system could get timely product quality data, and grasp the quality change trend in order to support effectively maintenance of old products and decision-making for new product development, as well as help the quality detection personnel extricating of repeated , burdensome statistic and handworked work,This paper firstly bring forward storing tabacco-quality-detection data by using database technology,aiming at data storing of product detection and further analyzing demand.

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At present, brazing technology are widely adopted at home and abroad . In order to verify the availability and applicability of pulse Nd:YAG laser-welding, a comparison is made between the new technology and the present technology in such aspects as the dismantled torsions, the microstructure and the micro-hardness of the weld area and the heat-affected zone, the maintenance of fabrication precision and assembling precision of the components.

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