The influence of organobentonite on sedimentation ratio, viscosity, thixotropy, film conductivity and micromorphology of the copper based conductive paint is investigated.
研究了有机膨润土防沉剂对铜系导电涂料的沉降率、黏度、触变性、涂层导电性及显微形态的影响。
Results showed that Mn contents and the ratio of copper to zinc in tealeaf were respectively positive correlation with its growth soil.
结果表明，茶叶中锰含量、铜锌比与土壤中对应的锰含量、铜锌比存在着一定的相关性。
The increase of the preheating and liquid copper temperature of copper clad steel wires makes the cladding ratio down and the remelting time short.
钢芯线预热温度和铜液温度的升高使包覆比下降，重熔时间缩短。
It features the maximum utility ratio of the core window areas and can reduce the copper loss and improve the heat dissipation of the integrated magnetics.
该结构的主要特点是实现了磁芯窗口面积利用率的最大化，可降低集成磁元件的铜损和改善其散热条件。
Experimental results show that after adding the ionic masking agent, effectively improve the copper powder antioxidant properties, and the main influence factors is the coated and mole ratio.
实验结果表明：离子掩蔽剂法制备的铜银双金属粉末具备了优良的抗氧化性能，其主要影响因素为包覆量及摩尔比。
Equivalent heat conductivity of PWB is related to the thickness of PWB, the residual ratio of copper foil and the thickness of copper foil.
PWB的等效导热系数与PWB的总厚度、铜箔剩余率及铜箔厚度有关，设计时需考虑相关因素。
The com plex ratio is 1:1. It can be used directly for the determination of copper in aluminium alloys. The method is simple, accurate and sensitive and the results obtained are satisfactory.
本文探讨了该极谱波的性质，并测定了络舍比为1：1，可直接用于测定铝合金中的铜，方法简单，快速、灵敏并获得满意的结果。
Floatation experiment in Wushan copper Mine shows that isopropyl xanthogen ethyl formate has higher recovery ratio and higher copper grade than xanthate when they are used as copper sulfide collector.
江西武山铜矿的浮选实验研究表明：异丙基黄原酸甲酸乙酯与黄药相比，对硫化铜矿具有更高的回收率，精矿中铜品位更高。
The production ratio will be increased by putting one additive in the reactor with the burned copper and ammonia. At the same time, the content of forrign matter is up to the standard.
用氨水浸取煅烧后的铜精粉时，加入一种添加剂，不仅可明显提高铜的浸取率，而且可保证产品中的杂质含量符合标准要求。
The effects of the feed ratio of raw materials, reaction temperature and the dosage of catalyst, etc factors on the new synthesis process of brominated epoxy resin for copper clad panel were studied.
研究了原料配比、反应温度、催化剂等因素对覆铜板专用溴化环氧树脂合成新工艺的影响。
The effects of the feed ratio of raw materials, reaction temperature and the dosage of catalyst, etc factors on the new synthesis process of brominated epoxy resin for copper clad panel were studied.
研究了原料配比、反应温度、催化剂等因素对覆铜板专用溴化环氧树脂合成新工艺的影响。
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