GB/T9801 carbon monoxide in the air quality of non-dispersive infrared method GB/T11737 residential area atmospheric benzene, formaldehyde and xylene health inspection standard method of gas chromatography GB/T12372 residential nitrogen dioxide in the atmosphere to improve the standard method of testing method Saltzman GB/T14582 environmental standards in the air radon measurement method [...]
Popularity: 17% [?]
Chinese folk environmentalists pointed out yesterday, China’s “10th Five-Year Plan (2001-2005)” planning to reduce the pollution did not achieve the goal, air pollution instead of a 13 per cent increase. And since 2003, in the high-speed economic growth and social transformation of the background, because of the accumulation of years of pollution and backwardness of [...]
Popularity: 26% [?]
1. In the purchase of computers, mobile phones, microwave ovens and other appliances have electromagnetic radiation, dealers should be requested to prove that the electromagnetic radiation detection to see if the electrical electromagnetic radiation indicator is not occupation of the best compare, select Low-E products. 2. The use of mobile phones, as far as [...]
Popularity: 16% [?]
Zhao Yufeng professor told us, the state still has a “Electromagnetic Radiation Protection,” which this standard, the region exposed to electromagnetic radiation intensity 40 v / m, a standard more broadly. Even so, Dongrun Scenic Area acceptance of the measuring point, there are still some, occupation and experts say that, as long as the district [...]
Popularity: 13% [?]
If you want edit me? just go to your profile than add description text as many you like. ^_*