Thallium geochemical properties, distribution, physiological toxicity, clinical symptoms, chemicalmigration and transformation in the environment were reviewed.
介绍了铊的地球化学性质、分布状况、生理毒性和临床表现及环境迁移转化过程。
2
Chemical Separations can be accomplished using HPLC by utilizing the fact that certain compounds have different migration rates given a particular column and mobile phase.
使用HPLC，利用在给定的色谱柱和流动相下化合物具有不同移动速率的事实可以实现化学分离。
3
Migration of chemical substances from plastic packaging materials into foods has been widely concerned which may contaminate foods and finally endanger people's health.