pfw

Through an analysis of crystal chemistry and sintered mechanism for PFW. it has been shown that addition of PFW to PZN can decreases or suppresses the formation of pyrochlore phase.

通过对PFW结晶化学和烧结机理的分析，证明在PZN中添加PFW能减少或抑制焦录石的形成。

互联网摘选

Among them, the personal firewall ( PFW) software is the best choice for personal users.

其中个人防火墙软件是个人用户的最佳选择。

互联网摘选

PFW was added based on PWM, and switching circuit between PWM, PFW and control circuit of external characteristic were designed, the control system fulfilled the higher request, and have double excellence of PWM and PFM.

在PWM控制的基础上引入PFM控制，并设计出PFM与PWM的切换电路及外特性控制电路，实现了设计的控制要求，使整个控制系统具有PWM和PFM的双重优点。

互联网摘选

When the content of PFW in Kevlar fabric composite is 20%, the Kevlar fabric composites can obtain the best friction-reducing and anti-wear properties.

当PFW质量分数为20%时，Kevlar纤维织物复合材料的摩擦系数减小75%、磨损率降低82%，Kevlar纤维织物复合材料的减摩抗磨性能最佳。

互联网摘选

Synthesizing process and dielectric properties of Ca-doped PFW are investigated.

研究了在钨铁酸铅（PFW）中添加Ca2+的合成过程及相应的介电性能。合成方法采用B位先驱体合成法。

互联网摘选

The friction and wear behaviors of the PFW/ PU coatings filled MoS_2 and graphite are dependent on the applied load.

同时，负荷和速度对添加MoS2与石墨的聚四氟蜡/聚氨酯复合涂层的摩擦磨损性能有很大影响。

互联网摘选

A study of High Dielectric Constant materials in PZN-PFN-PFW Ternary System

PZN PFN PFW三元系高介电常数材料的研究

互联网摘选