在标准分析方法中，采用原子荧光分光光度法测定水中砷、硒、汞所用的标准溶液系列必须每次配制，给工作带来很大的不方便。

For the standard analytical method, the series of standard solution for the determination of As, se and Hg in water by atomic fluorescence spectrophotometry must be prepared for every test.

youdao

国家名优茶水渗出物标准为38%，而“黔茶”牌凤冈锌硒有机茶系列”高达42%以上，水渗出物为全国所有绿茶之最。

National standards for diffusion of high quality teas is 38% , while the Phoenix Hills ZnSe-rich Organic Tea Series branded "Qin Tea" can reach at 42%, the highest among all green teas in China.

youdao

1991年硒资源综合开发富硒植物蛋白系列产品、保健产品、富硒茶、硒矿泉水，富硒烟。

In 1991, selenium resource development include rich selenium plant albumen serial products, health product, rich selenium tea, selenium mineral water synthetically 1991, rich selenium cigarette.

youdao