微量重金属 meaning in English
trace heavy metal
Examples
- Experimental simulation of chemical activity of heavy metals in coal gangue
煤矸石中微量重金属元素化学活性的实验模拟研究 - Copper and lead concentrations were then determined using highly sensitie equipment which can accurately detect ery small quantities of heay metals
然后用高灵敏度的能精密检测微量重金属的仪器对铜和铅的含量进行测定。 - In addition , a series of analyses about theoretical principles of hmi removal by wbaer from dk with alkali metals , alkaline - earth metals and anions at high concentration and regeneration of wbaer , have been analyzed
同时本文还对弱碱性阴离子交换树脂从高背景的常规阳离子和阴离子中有选择性地去除饮用水中微量重金属离子及其再生的机理进行了一定的探讨。 - Several problems about the chemical speciation of heavy metals in chinese traditional medicines , the choice of apriate chelating agent and the mechanism of supercritical chelating extraction are put forward and the development directions are suggested
提出了有关于中药中微量重金属的化学形态、寻找合适的配合剂、超临界条件下配合萃取本身的机理等几个目前存在的问题，并对今后的研究趋势进行了展望。 - And factors , such as flow velocity , the concentration of hmi in influent water and usual cations ( ca2 + , mg2 + ) or anions ( cl - , so42 - ) in raw water , which can influence the effect of hmi removal by wbaer from dk has also been discussed
并分析了流速、进水中重金属离子（ hg2 + ）的浓度以及原水中常见的阳离子（ ca2 + 、 mg2 + ）和阴离子（ cl 、 so42 ）对弱碱性阴离子交换树脂去除饮用水中微量重金属离子的影响。