水中苯的来源、处理及其对人体健康的影响 水中苯的来源、处理及其对人体健康的影响BenzeneSourceBenzene, a byproduct of petroleum refining, is used as an intermediate in the production of synthesized plastics, and is also an additive in gasoline. Gasoline contains approximately 0.8 percent benzene by volume. Benzene is classified as a volatile organic chemical (…… http://www.samsco.com.cn/info/378.htm
水质标准与老年人的身体健康 水质标准与老年人的身体健康Why are the Elderly More Susceptible
to Contaminants in Drinking Water?
Aging is associated with physiological, functional, and
behavioral changes that can result in increased vulnerability
to biological and chemical contaminants in drinking water.
As a group, the elderly are at in…… http://www.samsco.com.cn/info/387.htm
饮用水水质与健康 饮用水水质与健康
Drinking water quality and health
by P. Kendall1
Quick Facts...
Water is our most essential nutrient.
Water contains different amounts of dissolved inorganic and organic compounds.
The Environmental Protection Agency regulates public water systems.
The Colorado…… http://www.samsco.com.cn/info/398.htm