trace element

Kelp is rich in vitamins and trace elements.

大型藻富含维他命和微量元素。

The contents of trace elements and mesne elements changed gently in the growing season.

中量元素和微量元素的含量随着生长有所加，但是波动不大。

A newly-developed microdistribution analysis method for trace elements——synchrotron radiation X-ray fluorescence analysis is introduced.

本文介绍了一种新型的微量元素微区分析方法——同步辐X线荧光分析法。

The results indicated that the trace elements molybdenum and zirconium increased considerably the gas yields of the lignitic organic matter while selenium did not.

分析结果表明,除硒元素外,随着钼元素和锆元素的加入,有机质气态产物的生成量显著提高。

This paper discussesd the preparation of glage-trace element fertiliar.Main raw material-glass and some trace element were put into together,when the reactants were melt,they occur solidoid reaction.

玻璃微量元素肥料,是以玻璃为主要原料,加人适量的微量元素,经过灼烧成为熔融状态后,发生固相反应,即生成玻璃微量元素肥料。

In addition, in the Wheat Germ oil also includes nutrients and so on the choline, phytosterin, but also has the Guguangantai and so on the many kinds of trace elements.

此外，麦芽油中还含有胆碱、植物固醇等营养物质，还有谷胱甘肽等多种微量元素。

Fluorine, one of the necessary trace elements of human beings is presented in the forms of inorganic and organic compounds in foods, such as sodium fluoride, silicon fluoride, and fluoroacetate etc.

氟是人体必需的微量元素之一,通常以各种多元无机态或有机态形式存在。