Average lead content is 0.0710mg/L, Average cadmium content is 0.0048mg/L The content of copper and the zinc have surpassed the safe concentration, in which copper average content is 0. 0908mg/L, assumes tendency which reduces gradually.
铜和锌浓度较高已超出安全浓度,其中铜平均0.0908mg/L,呈逐步降低的趋势。
参考来源 - 常德西湖水体与底泥营养及重金属元素的变动研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Objective to study the cumulative toxicity and target organs of repetitive inhalation exposure to chlorine dioxide, and determine the safe concentration of chlorine dioxide for human.
目的观察二氧化氯气体多次经呼吸道接触对实验动物的蓄积毒性作用及其靶器官，确定人体可直接暴露于二氧化氯气体的安全浓度。
The concentration and distribution of water and other substances requires further analysis, but it is safe to say Cabeus holds water.
尽管月球上水和其他物质的浓度和分布还需进一步分析，但可以放心地说，凯布斯陨石坑中存在水。
Objective: To put forward individual dose proposal by the analysis on blood drug concentration of Aminophylline of 90 cases for its safe and efficient clinical usage.
目的：通过对90例氨茶碱血药浓度监测结果的分析，提出个体化给药建议，使氨茶碱在临床上使用更安全有效。
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