可靠性系数

After studying the relation between connected subnet numbers and the cutest of the network,this paper presents a method for computing the cutest numbers and a formula of the coefficient bounds of reliability polynomial.

本文分析了网络的连通子网数与网络割集以及断集数的关系后，给出一种网络断集数的计算方法以及网络全端可靠性多项式系数上下界的公式，适用于任何网络。

Variable cycle ; preventive maintenance ; equipment failure rate coefficient ; reliability

变周期；预防性维修；故障率增加系数；可靠性

Which can be used to weighs safety grades of pressure pipes with planar disfigurements under steady load are proposed in this paper .

和K的均值及变异系数的关系，得出了可靠性指标能定量衡量静载下含平面缺陷的压力管道的安全状况的结论。

Advantageous physical and chemical characteristics, the highly purified and ultra-fine fused spherical quartz powders (spherical silica powder—SSP) become indispensable for packing and sealing materials in LSI and SLSI. The actuality of research and development of SSP in China is studied and the international situation of production is also introduced briefly.

高纯超细熔融球形石英粉由于具有高纯度、高耐热、高耐湿性、高可靠性、高填充量、低粘度、低放射性、低应力、低膨胀、低摩擦系数等优越的物理化学性能，在大规模、超大规模集成电路的基板和封装料中，成了不可缺少的优质材料。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。