马格纳森还说我们仍然需要进行安全性研究，以证明纳米技术的使用不会造成任何潜在的健康或者环境问题。而白宫在这一点上很明显与她持同样的观点。
She said that safety studies will still need to be done to demonstrate lack of any potential health or environmental issues. The White House apparently agrees with her.
除草剂在水-土壤系统中的降解、吸附和迁移等环境行为是支配其在土壤环境中的生物有效性和持留性的重要因素。
The degradation, adsorption and mobility in water-soil system of herbicide are dominated factors to affect the bio-efficiency and lasting in the soil environment.
本发明的有益效果如下：本密闭容器盖可以保持气密性，还能保 持良好的卫生环境。
The invention has the advantages that airtightness of the closed container lid can be kept, and well sanitary environment can be kept.
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