An improvement on the method is made by using concentrated water sample in order to increase the concentration of trace elements in the samples.
该文对这一方法进行了改进,采用浓缩水样以提高待测元素的含量,并加入二氯化钙作为释放剂来消除硅的干扰。
This verification must succeed in order for the sample application to work.
上述验证必须成功,这样才能保证示例应用程序正常运行。
Each sample is put through the machine in order to separate seven different chemical compounds called phthalates.
每个样本都会放在这台机器里,来分离出七种称作酞酸盐的不同化合物。
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