Lead is a heavy metal.
铅是重金属。
Lead is a heavy metal.
铅是重金属。
This article summarized the indicating function of bryop hyte to air pollution, heavy metal pollution and mineral resources.
综述了苔藓植对大气污染、重金属污染和矿藏的的监测指示作用。
Heavy metal free glass enamels for toughening and heat strengthening. Borosilicate frit with added metaloxide pigments. All standard colors are intermixable.
无铅油墨适于钢化,热硬化,组分为玻璃添加金属氧化混而,所有的颜均可混.
The research shows that the FA-goethite coexistensive system is quite effectual in the way of controlling the heavy metal pollution of cadmium.
因此,针铁矿-富里酸共存体系对于控制重金属镉污染具有较好的效果。
It is suggested that to use soil catalase and saccharase activities to indecate the contamination situation by heavy metal in the soil of tea garden.
建议以过氧化氢酶和蔗糖酶的活性作为评价和预测锰矿恢复区茶园土壤锰镉污染状况的敏感指标。
Nonbiodegradable pollutants, such as certain chlorinated hydrocarbon pesticides (e.g.DDT) and heavy metals, such as lead, copper, and zinc in some industrial effluents, accumulate in the environment.
生不可降解的污染,如氯代烃类杀虫剂(如DDT)和工业废水中的重金属,如铅、铜和锌,在环境中积累。
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