查询词典 reliability coefficient

In a probabilistic analysis of unrepairable systems, system behavior is described by reliability and mean time to failure, in which the reliability is defined by the probability of the random event "system is functioning at time t", and MTTF the expected value of random lifetime of system.

衡量不可修系统可靠性的指标主要是系统可靠度和平均寿命。其中系统可靠度定义为不可修系统在t时刻仍正常工作的概率，平均寿命定义为不可修系统寿命的期望值。

By the unserved energy cost quantifying the reliability benefits of alternatives, costs and benefits about electric power network reliability planning can be evaluated on a consistent and economic basis.

以用户缺电成本大小衡量可靠性效益高低，将规划的可靠性成本与可靠性效益统一在对电网的经济性评估上；通过构造缺电损失评价率给出缺电成本计算方法。

Results The QOL-DA is of better vali dity, reliability and responsiveness; the WHOQOL-100 is of good validity, middl e reliability and poor responsiveness.

结果 Q OL-DA的效度、信度和反应度均非常好；WHOQOL-100的效度较好，信度尚可，反应度较差。

The method and development of reliability programming and risk decision making are reviewed, the reliability progromming taking the design standard as variate is studied.

在这部分中，回顾水资源可靠性研究和风险决策的方法和进展，着重评述了将设计标准作为决策变量的可靠性规划问题。

Base on this condition,the reliability of mutual heat reserve airplane Electric power system is given to variate failure rates.The calculated result shows that this method in not only Practicality and high reliability but also efficiency.

针对这种情况，本文提出了互为热贮备分担负载法分析系统可靠性的方法，分析结果表明：此种方法不但切合实际可信度高而且有效。

Reliability allocation is an important part in reliability engineering of warship simulation training system.

可靠性分配是舰艇训练模拟系统可靠性工程的重要环节。

A new optimal power flow model with reliability constraint is proposed to obtain an economic and secure operation schedule of the power system, where the reliability index constraint is constructed based on z transform theory to take the uncertainties of electric power system into account, and the objective aims at minimizing the total cost of the system to satisfy the expected loss of load probability.

提出一种考虑可靠性指标的最优潮流模型。该模型能考虑系统中的随机因素，通过z变换法构造电力系统的可靠性指标约束，将该约束添加到经典最优潮流模型中共同求解，从而使电为系统的调度或控制能在满足一定的失负荷概率指标的前提下实现最优运行。

for carrying out a small physical volume and high reliability of the motor driving and control,by using hip4081 chip and aln hybrid integrated technology,a hybrid integrated technology h bridge circuit based on hip4081 is designed to control bidirectional circumrotation and speed regulation of the motor.by practical application,the bidirectional circumrotation/speed adjustment of motor are realized safely and reliably.the products has a small physical volume,fast heat transmission,high efficiency and can operate properly in severe environment.it can enhance the reliability of the drive circuit and the system,and adapt to both military and commercial usage.

摘 要：为了实现小体积、高可靠的电机驱动与控制，利用hip4081专用芯片和aln厚膜混合集成技术，设计一种基于hip4081的厚膜h桥电机驱动电路，完成了h桥式驱动电路对电机双向转动和调速的控制。经实际应用，该电路不仅安全可靠地实现了电机的双向转动和调速功能，且产品体积小，导热性能好，效率高；还能在恶劣的使用环境下安全工作，提高了驱动电路和系统的可靠性，适合军、民两用。

Seepage mechanism is applied to deduce two kinds of osmotic grouting model (plane radial flow and ball-type centripetal flow). Security grade basic working condition and reliability index of grouting on sand-fixed is proposed. And formulize reliability analysis of grouting on sand-fixed combining engineering cases. 4. The mechanism of sand-fixed of grouting engineering and sand-fixed of biological engineering is described.

运用渗流力学对平面径向流、球形向心流两种渗透性注浆模型进行了推导，将可靠度理论引入注浆工程，提出了固砂注浆的安全等级、基本工作状态以及相应可靠度指标，并结合工程实例，对固砂注浆工程的可靠性分析过程进行了阐述。

Reliability:The gearless traction machine with low-speed moving parts ensures long-term reliability of the elevator.

可靠：富士永磁同步电机直接驱动的无齿轮曳引机只有低速成运动部件，保证电梯系统的长时间可靠运行。

The father that if work,mad father, love annoys, disposition is too indrawn the be short ofing that the father of Mu Ne, resign oneself to adversity causes father easily to love is broken; Communicate time effectively between father and son, Mu Zizhi to be less than a hour on average to wait a moment every week, it is the cause that causes the child to become addiction.

如工作狂的父亲、爱愤怒的父亲、性格过于内向木讷、逆来顺受的父亲都易造成父爱的缺失；父子、母子之间的有效沟通时间每周平均小于一小时等等，都是造成孩子成瘾的原因。

These are vandal proof and they come with a locking mechanism.

这是野蛮的证据，他们来到了锁机制。