preservation of water sample 水样保存
reactor water sample line 反应器水样品管
sea water sample 海水样品
actual water sample 实际水样
turbid water sample 浑浊水样
Using this electrode, trace lead in water sample was successfully determined, the recoveries are between 92% and 102%.
检出限可达1.0×10~(-8)mol／L，应用该电极测定水样中微量铅，回收率为92％～102％。
参考来源 - 碳纳米管的修饰及其在分子识别中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
A simple rule definition is shown in Table 3, where a water sample is evaluated for compliance with an established water standard.
表3给出了一个简单的规则定义，在这个定义中评估了水样是否符合既定的水质标准。
The method has several characteristics such as simple equipment, easy to handle, high analysis speed, and small volume of the water sample needed.
该法具有设备简单、操作便捷、分析速度快、用样量小等优点。
Extraction and enrichment of ethyl acetate in water sample.
水样用醋酸乙酯萃取富集。
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