water sample bottle

基本解釋

The results are that acidified water sample is disadvantageous to the stability of Arsenic, plastic bottle and low temperature is beneficial to reserve the water sample of Arsenic species.
認(rèn)為，人為酸化水樣不利于砷形態(tài)的穩(wěn)定；塑料瓶作容器、低溫對砷形態(tài)水樣的保存有利。
A sinkage depth of a water sample bottle can be controlled conveniently by adopting the down-hole depth-determining water sampling apparatus through a composite measuring line having a scale line;
采用上述結(jié)構(gòu)，通過帶有刻度線的復(fù)合測線，可方便的控制水樣瓶下沉深度；
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