The whole system have been test using , from the actual application result , the system can run stably and reliably , reach to the effect anticipative . its characteristic is , multithread , tree structure , simply database , a lot of relation database , transferring messages by database between threads and accomplish all kind of electrical collection , dealing with and sending fast , exact and automatic . it has great potential 本系统的特点为，采用多线程、利用树状结构、数据表简单不冗余、充分利用关系数据库、多线程间通过数据表传递信息，能快速、准确、自动地完成各类电能表计量信息的采集处理和传输，运行可靠性高，具有良好的发展潜力。
Presents the steady - state programming with constant coolant average temperature and constant live steam pressure , an ideal programming for marine nuclear power plant ( npp ) , under which , both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied , and points out that in comparison with the steadysate programming with constant coolant average temperature , the ideal programming can improve the overall operating performance of npp effectively , especially in low - load range , for instance , raise the heat efficiency of npp , decrease the operating noise of main coolant pump , and improve the conditions of design , operation and control of the secondary loop system 双恒定运行方案是船用压水堆核动力装置的理想运行方案.在这种运行方案下，当装置稳态功率变化时，冷却剂平均温度与蒸汽压都保持不变，与通常采用的冷却剂平均温度恒定运行方案相比，有效地改善了核动力装置的总体运行性能，特别是在低负荷运行时，可以提高装置经济性、降低主泵运行噪声、改善二回路系统的设计、运行和控制条件，这对于提高船用核动力装置的运行可靠性和安全性具有实际意义
Generalized characteristic , description system , assessment system of reliability is studied based on basis characters of reliability in underground structure to aim at design reliability , made reliability , running reliability in underground structure . this thesis sets forth the whole journey control thoughts and methods of the reliability based on design reliability , made reliability and running reliability in underground structure 本文在详细研究地下结构可靠性基本特征的基础上，结合地下结构具体特点，针对地下结构“设计可靠性” 、 “制造可靠性” 、 “运行可靠性”三个层次进行了地下结构可靠性广义特征研究、可靠性表征体系研究、以及结构可靠性评价体系研究。
To improve the accuracy of the evaluation and predicting of software reliability , this paper researches on the influence of the difference of profiles on the evaluation of software reliability by starting with the difference between the operating profile and the testing profile 实际上软件的测试剖面和运行剖面是不同的,即测试可靠性和运行可靠性是有区别的。为了提高软件可靠性评估和预测的精度,本文从研究软件运行剖面和测试剖面的差异入手,研究剖面的差异对软件可靠性评估的影响。
The corrugated tank made of high quality cold - rolled - steel sheet manufactured with special production line . it can swell up or shrink compensating the oil from atmosphere . protect and delay the oil and the insulation against degradation , therefore enhance the operation reliability and free of maintenance under normal conditions 全密封变压器与普通油浸式变压器相比，取消了储油柜，由波纹油箱的波翅代替油管作为冷却散热元件，波纹油箱由优质冷轧薄钢板在专用生产线上制造，波翅可以随变压器油体积的胀缩而胀缩，从而使变压器内部与大气隔绝，防止和减缓油层的劣化和绝缘受潮，增强运行可靠性，正常运行免维护。
The mis configuration platform has the following characteristics : operation is simple ; the development speed and the development efficiency of the customer system is high ; the system developed has its own individuations ; it can be used to develop mis in the face of customers ; it applies to different operation systems ; the user system ' s dependability is higher ; reforming and promoting the user system to higher grade is convenient ; it ' s open 它具有如下特点：操作简便；用户系统的开发速度快、效率高、个性化；面对需求者进行开发；适应多平台；用户系统运行可靠性高；用户系统改造升级方便；系统具有开放性。
Furthermore , this paper provides several forms of failure ratio in the operating phase taking the difference between the testing profile and the operating profile into account according to the concepts of the testing reliability and the operating reliability , then analyzes theoretically the difference between the testing reliability and the operating reliability based on the changing trends that the failure of decreasing and first increasing and the decreasing of the failure ratio , and makes a research on the influence of the two types of reliability on the software releasing time 在此基础上给出了考虑测试剖面与运行剖面差别的几种运行阶段失效率的形式,然后根据失效率递减的和先增后减的变化趋势,从理论上分析了测试可靠性与运行可靠性的差别,研究这两种可靠度对软件发布时间的影响。绝大多数软件可靠性增长模型都假设软件故障服从同一种分布。
People have recognized to control the oil pollution more and more , especially for the hydraulic pressure servo controlling system which has the high precision demand . to improve the reliability of equipment running procedure and reduce the cost of running , we must adopt the fit measure to control the oil pollution immediately 因此人们越来越重视对其的控制，特别是对于精度要求非常高的液压伺服控制系统来讲，污染控制显得更为重要。采取切实可行的措施控制油液污染，是提高设备运行可靠性、降低运行成本的最有效途径。
A new type of joint technique between short _ net copper pipe and soft _ cable connection board , castfusion welding , is introduced . the practice of more than ten years shows that this fusion welding connection has the superiority of higher reliability , simpler processing method , better economy benefit compared to the taper cone face - contacted connection 介绍了电石炉短网铜管与软缆接线板之间的一种新型连接技术? ?浇铸熔焊技术.经过10多年的运行，实践证明短网铜管与铸铜软缆接线板的浇铸熔焊连接，与传统工艺采用的圆锥面接触连接相比较，具有加工工艺简单、运行可靠性高、经济效益好等优点
Ftu can complete the detection and position of the breakdown independently . so it greatly reduces the cost of das construction investment and the communication channel maintenance . at the same time , it also reduces the dependency of communication channel level , enhances the reliability of the feeder automatization 该方案最大的特点在于ftu装置采用无通道保护技术,沿馈线分布的ftu装置之间不需要架设通信通道, ftu装置本身就能独立地完成故障的检测和定位,大大降低了配电自动化系统的建设投资成本和运行中对通信通道维护费用,同时也减少了对通信通道的依赖程度,提高了馈线自动化系统的运行可靠性。
