Methods: The Se enriched tea was produced by fertilization of sodium selenite through biological transformation of tea tree in low Se content soil.
方法： 在低硒土壤的茶园施用无机硒肥，经茶树的生物转化，制备富硒茶叶；
An unknown endemic disease of equine in Qingshui County of Gan-su Province in China was studied and confirmed to be Se-deficiency due to low Se content in feeds and water.
本研究证实了流行于甘肃省清水县马属动物的一种未知病是由饲料、饮水含硒量过低引起的硒缺乏病。
Zn content was low and no Cu, Se, Cr, As, Pb, and Hg were found in all the waterworks′ samples we determined.
两种水源中锌的含量均不高，所有水厂出厂水中硒、铜、铬、砷、铅、汞均未检出。
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