impurity element

常见例句

Nickel- based braze welding powder was produced by atomized water cooling. Impurity source, influence of impurity element on braze welding property, control of impurity pollution etc.
对气喷水冷法生产镍基钎焊粉末的杂质来源、杂质元素对钎焊性能的影响以及怎样控制杂质污染等问题进行了分析。
Purifying Gallium Only by this way , because of some major impurities separated out seriously, often forms individual impurity element to exceed mark , and causes product grade to reduce.
单一电解法提纯镓，由于一些主要杂质析出严重，常常形成个别杂质元素超标，造成产品品级降低。
Nickel- based braze welding powder was produced by atomized water cooling. Impurity source, influence of impurity element on braze welding property, control of impurity pollution etc. were analyzed.
对气喷水冷法生产镍基钎焊粉末的杂质来源、杂质元素对钎焊性能的影响以及怎样控制杂质污染等问题进行了分析。