您要查找的是不是：
- The power factor (pf) is the ratio of average power to apparent power. 功率因数是有功功率与视在功率之比。
- Power Factor Power factor is the cosine of the angle between the actie power( kW) and apparent power( kA) in a circuit. 功率因数功率因数是电路中有功功率(W)视在功率(A)间夹角的余弦值。
- Furthermore, the total apparent power should be the scalar sum of the apparent power of every phase. 而且，总视在功率应为各相视在功率的标量和.
- Power Factor Power factor is the cosine of the angle between the active power( kW) and apparent power( kVA) in a circuit. 功率因数功率因数是电路中有功功率(W)视在功率(VA)间夹角的余弦值。
- Meanwhile, the thighbone mass density of castrated rats was improved and the incidence of the thighbone ... 结论:补肾强骨胶囊有良好的抗骨质疏松作用,为临床疗效提供了实验依据。
- Two pulse outputs, one for active power and the other selectable between reactive and apparent power with programmable frequency. 两路脉冲输出,一为有功功率,二为无功率或视在功率,带频率编程功能。
- A large, well-defined mass density with eccentric amorphous calcifications was seen in the pulmonary MFH. 肺原性MFH表现为一边绿清晰，有离心性钙化之大肿块。
- Power Factor Power factor is the cosine of the angle between the active power (kW) and apparent power (kVA) in a circuit. 接地 接地是电路与地面或地面上的导体的连接，可以是有意的也可以是意外的。
- The strength of the particles are high, the mass density is increased more apparently compare to other method of granulation. 颗粒强度高，堆积比重的提高较其它造粒方式都更为显著。
- With respect to the simulation of the smoke evaluation during a fire, most fire models give the smoke mass density as a result. 关于火灾发生时对于浓烟估算之模拟，大部分的火灾模式是以烟质量密度作为模拟结果；
- In the case of an open Universe, the mass density (denoted by the greek letter Omega) is less than unity, and the Universe is predicted to expand forever. 在一开放的宇宙里，质量密度(以希腊字母欧米加表示)是小于平均数，且宇宙被预言永远地膨胀下去。
- Currently the main methods nondestructively detecting this disorder are optical density method, X-ray method, mass density method and magnetic resonance imaging (MRI) method. 目前其无损检测的主要方法有光密度法、X-射线法、质量密度法和磁共振影像法。
- In this paper, with domain analysis method for reactive power in nonsinusoidal, the formulas of apparent power and power factor both in nonsinusoidal and asymmetric conditions are describled. 本文从单相非正弦波形下无功功率的时域分析定义出发,导出三相不对称时视在功率的公式,从而获得非正弦波形又不对称下三相功率因数的计算公式。
- When the show begins, the crowd gets emotionally in gear and develops an amorphous but powerful mass mind, laughing or weeping together. 演出开始的时候，大众开始进入情绪状态，形成了无形的，但是有力量的大众情绪，一起哭，一起笑。
- Objectives To investigate the relationship between aging serum calcium regulating hormones (TT_3, TT_4, PTH, CT, T, E_2), bone changed-over markers (BGP. DPD/Cr) and bone mass density (BMD). 目的 探讨增龄与血清总三碘甲腺原氨酸 (TT3 )、总甲状腺素 (TT4)、甲状旁腺素全段 (PTH- SP)、降钙素 (CT)、睾酮 (T)、雌二醇(E2 )、骨钙素 (BGP)、尿脱氧吡啶啉 /尿肌酐 (DPD/ Cr)及骨密度 (BMD)的关系。
- In particular, the rest-mass of neutrinos would have important influence on those cosmic problems related with mass density, such as the problems of whether the universe being open or not, the gravitational clustering in the universe, and so on. 特别是,对于那些与质量密度有关的宇宙学问题,例如宇宙的封闭或开放、宇宙中的引力成团过程等等,中微子的静质量有明显的作用。
- The king was shorn of his power by his nobles. 国王被手下的贵族们剥夺了权力。
- Based on the measured data from the winter wheat fields in Zhengzhou of Henan Province,the vertical distribution of root length density(RLD)and root mass density(RMD)were analyzed. 根据在郑州进行的冬小麦根系田间实测资料,研究了根长密度和根质量密度在砂壤土中的垂直分布。
- Imaginary component of instantaneous apparent power 瞬时视在功率虚部,瞬时无功功率
- Rated apparent power on valve side 额定阀侧视在功率
