Study on the dynamic accumulation rule that cadmium and copper accumulate in Pakchoi different portions by simulating pollution.
通过模拟污染，研究了镉和铜在小白菜中各部位的动态吸收规律。
The process for the direct synthesis of trialkoxysilane by reacting silicon metal with an alcohol over a copper catalyst is simple, handle easily, have no environmental pollution.
而直接法是在铜催化剂及高沸点有机介质作用下，由硅粉与甲醇或乙醇反应得到目的产物。
The copper, lead and cadmium were determined by FAASsuspension sample introduction technique without sample digested, that avoided the sample pollution and loss, the process is simplified greatly.
直接悬浮进样石墨炉原子吸收法测定铜、铅和隔，样品不用消化，极大地简化了步骤，避免了样品的污染和损失。
The copper, lead and cadmium were determined by FAASsuspension sample introduction technique without sample digested, that avoided the sample pollution and loss, the process is simplified greatly.
直接悬浮进样石墨炉原子吸收法测定铜、铅和隔，样品不用消化，极大地简化了步骤，避免了样品的污染和损失。
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