PDB Partially Digestible Biopolymers 部分可消化的生物聚合物 PDC Pulse Direct Current 脉冲直流 PDE Pulsed Doppler Echocardiography 脉冲多普勒超声心动图显像法 ..
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The electrodepositing method for the preparation of nano-deposit was introduced, including direct current electrodeposition, pulse electrodeposition and composite electrodeposition.
介绍了制备纳米镀层的电沉积方法，主要有直流电沉积、脉冲电沉积和复合共沉积。
Nickel iron chromium alloy with nanocrystalline were electrodeposited from chloride bath containing trivalent chromium ions under direct and pulse current.
采用直流和脉冲电沉积方式从三价铬的氯化物镀液中沉积出镍-铁-铬纳米合金镀层。
The PP-IP characteristics at low frequency high pulse current and the emission spectra at direct current have been investigated and analyzed.
研究和分析了它们在低频大电流脉冲注入下的Pp—Ip特性和直流注入下的光谱特性。
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