Objective To discuss the contents and means for the evaluation of occupational hazard control effect in construction items.
目的探讨建设项目职业病危害控制效果的评价内容和方法。
Objective to establish a capillary gas chromatography for determining the contents of phenol and menthol in itch relief agent.
目的建立毛细管气相色谱法同时测定止痒灵中苯酚和薄荷脑的含量。
Objective: To discuss the contents of trace elements of in zizyphus jujube and big jujube Laoling Shandong.
目的探讨山东乐陵产金丝小枣和大枣中微量元素的含量。
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