介绍开关电源的常态噪声和共态噪声产生的原因，以及几种抑制噪声的方法。
It presents the causes of the normal-model noise and common-model noise of the switching mode power supply and methods to restrict the noises.
该文提出了一种新颖的电荷自维持电路，它比现有的电荷自维持电路在结构上更加简单，共态导通的时间更加短，抗干扰能力更强，驱动损耗更小。
Comparing with the existing charge-retention driving circuit, it has the merits of simplified structure, shorter common conduction time, better immunity to interference and reduced driving loss.
应用各种测试手段，对共混聚丙烯竹节纤维的成形条件、形态结构和聚集态结构进行了研究。
Formation condition, morphological and bulk structures of the pp fibre were investigated by various test methods.
本实验研究了玄武岩及其加入红砖和炉渣共三种试样熔化后高温熔体的粘度及熔体水淬后玻璃态试样的析晶性能。
The viscosity and crystallizability of basalt melt and the other two samples, which are composed of a certain amount of brick and of blast furnace slag respectively, are studied experimentally.
[4] 宋佳佳， 郭德燕，邓超，等。孕育形核处理对金锡共晶合金铸态凝固组织的影响[J]。稀有金属材料与工程， 2013，42（4）：756-760。
SONG J J, GUO D Y, DENG C, et al. Effect of incubated nucleation treatment on solidification microstructure of Au-Sn eutectic alloy[J]. Rare Metal Materials and Engineering, 2013, 42(4):756-760.
[4] 宋佳佳， 郭德燕，邓超，等。孕育形核处理对金锡共晶合金铸态凝固组织的影响[J]。稀有金属材料与工程， 2013，42（4）：756-760。
SONG J J, GUO D Y, DENG C, et al. Effect of incubated nucleation treatment on solidification microstructure of Au-Sn eutectic alloy[J]. Rare Metal Materials and Engineering, 2013, 42(4):756-760.
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