加速剂acrelerator山铰盐、钠盐、稳定剂组成。本品能处理经钯液催化的表面,使之高度活化,快速沉铜,并能保护沉铜液。操作温度18 ~32℃,浸溃时间3一5min。在印制线路板化学镀工艺中应用。
加速剂对镍镀层耐蚀性的影响 关键词: 电镀;氟化钠;碘酸钾;加速剂;耐蚀性 [gap=543]Key words: electroplating;sodium fluoride;potassium iodate;accelerator;corrosion resistance
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... 加氢反应 hydrogenation reaction 加速剂 accelerant 加速浸饱作用 introfaction ...
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发酵加速剂 [食品] fermentation accelerator
聚合加速剂 [物化] polymerization accelerator
硫化加速剂 vulcanization accelerators ; Accelerators
反应加速剂 reaction accelerator
硬化加速剂 hardening accelerator
血小板加速剂 thrombocyte accelerator ; platelet accelerator
着火加速剂 ignition accelerator
溶解加速剂 solutizer
显象加速剂 development accelerator
人类活动是局部的,在整个地球沙漠化进程中只是起到一个加速剂的作用。
Desertification in China is a part of global desertification process. Human activity is regionally restricted, serving as an accelerator.
降解引发要素可以是温度或化学反应物,以及任选的加速剂或缓速剂以提供所需的封堵去除时间。
Degradation triggers can be temperature or chemical reactants, with optional accelerators or retarders to provide the desired timing for plug removal.
研究了酸性化学镀镍溶液中加速剂对沉积速度、氢的析出量、镀层含磷量和镀层耐腐蚀性能的影响。
Effect of the speeding additive on deposition rate, hydrogen evolution amount, content of phosphorus and corrosion resistance of deposit in acidic electrolyte has been studied.
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