The new method was used for the analysis of several trace pollutant in water after its performance was assessed.
对新方法进行了性能评价并将其用于水体中几种痕量污染物的分析研究。
The invention belongs to the analysis field of trace pollutant in environment, in particular relates to a method for measuring antibiotic in animal excretion.
本发明属于环境中痕量污染物分析领域，具体地说是一种测定畜牧粪便中抗生素的方法。
In short, the On-column Enrichment-HPLC method is convenient to operate, possesses good enriching effect and high resolution and is capable for the determination of trace pollutant in water.
本文建立的原柱富集-液相色谱方法操作简便、富集效果好，分离度高，能够满足水体中痕量污染物检测的要求。
Tunable diode laser absorption spectroscopy has been applied in the fields of atmospheric chemistry and monitoring pollutant gases as a new method of measuring trace gases.
红外可调谐二极管激光吸收光谱技术作为新的痕量气体监测分析方法，在大气化学研究和污染气体监测中得到了应用。
The pollutant removal effect of ferric coagulant was researched by stirring jar test to remove trace phenol and heavy metal ions of Pb and Cd in Sungari River.
本文以松花江水为本底，以微量苯酚和重金属离子铅与镉为研究对象，通过烧杯搅拌试验，初步考察了高铁酸盐的除污染效能。
Natural mineral water originates from underground spring. It is clear, pure and has no pollutant. It contains many trace elements.
天然矿泉水是来自地下深处的泉水，水质清纯无污染，含有人体必需的微量元素。
Natural mineral water originates from underground spring. It is clear, pure and has no pollutant. It contains many trace elements.
天然矿泉水是来自地下深处的泉水，水质清纯无污染，含有人体必需的微量元素。
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