Objective To investigate the relationship between personalexposure of ultraviolet radiation and ambient solar UVR.
目的了解个体紫外线暴露剂量与环境紫外线剂量的关系。
2
Some of the lessons learned from a large study of personalexposure of non smokers to environmental tobacco smoke (ETS) in the United Stated are reviewed.
本文对在美国所进行的不吸烟者环境香烟烟雾(ETS)暴露水平的大样本研究作了综述。
3
Systemic pesticides have become popular but the concept of making the entire plant toxic creates personalexposure problems beyond what many growers consider safe.