Selenium is one of the trace elements closely related to human health.
硒是与人体健康密切相关的必需微量元素之一。
The availability of trace rare and dispersed elements gallium, indium, germanium, thallium, selenium, tellurium, rhenium.
可供利用的微量稀有分散元素镓、铟、锗、铊、硒、碲、铼。
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，褐煤有机质气态产物的生成量显著提高。
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