RADIATION, PEOPLE AND THE ENVIRONMENT docx

Ngày tải lên: 28/06/2014, 12:20

... www.cer.be RAILWAYS AND THE ENVIRONMENT | ACHIEVING SUSTAINABLE TRANSPORT Further CER and UIC publications on railways and the environment: Rail transport and the environment: meeting the challenge Placing environmental ... reduce massively the negative environmental effects of transport. RAILWAYS AND THE ENVIRONMENT | ACHIEVING SUSTAINABLE TRANSPORT 6 RAILW...

Ngày tải lên: 28/06/2014, 19:20

... throughout the United States (Fig. 8). The Powder River Basin in Wyoming and Montana, the Central and Northern Appalachian basins, and the Illinois Basin (also called the Eastern Interior Basin) are the ... waters and prevent sediment from leaving the mine site. The rock drain in the upper photo directs the flow of mine waters to sediment ponds at a mine in Indian...

Ngày tải lên: 28/06/2014, 21:20

... or enzymes in human beings and therefore, they pose risks to human health and the environment. Pesticides are ubiquitous in the environment and most are synthetic. There is growing concern about ... described and these differ according to the specific properties of the pesticide. They are summarized below. •Irritation is a local effect due to contact of the pesticide...

Ngày tải lên: 29/06/2014, 02:20

... power plants. The hazards of radioactive contamination to people and the environment depend on the nature of the radioactive contaminant, the level of contamination, and the extent of the spread ... the essential, and explained natural processes and their substance. Pythagoreans had very specific attitudes about the world; for them the number was the primordia...

Ngày tải lên: 18/06/2014, 19:20

... time. The humin and humic materials that are known to produce coals and peat are strong chelating agents for these and other radionuclides [3]. Indeed, the first discoveries of radioactivity and the ... Food and the Environment Most of the radionuclides to which we are currently exposed in our foods and the environment come primarily from the naturally occurring p...

Ngày tải lên: 18/06/2014, 19:20

... in Food and the Environment Gy/yr. This dose rate reduced the birth mass and increased the brain mass of laboratory rats irradiated as fetuses toward the end of the intrauterine life. The lowest ... Food and the Environment provided examples of environments that delivered dose rates corresponding to these zones. The zones proposed by Polikarpov appear to be supporte...

Ngày tải lên: 18/06/2014, 19:20

... r esearchers foundthatsupernatantfromthejartestshadthelowestturbiditywhenthepHwas around6andtheconcentrationofPAClwasgreaterthan10mg/L. At p H6 ,the PAClactstoneutralizethenegativelychargedsilicaandtodestabilizethecolloidal particles. ... fullerenes (C60) come in contact with water. Their r esearch shows that the pH ofthewateraffectstheparticlesizeofthenano-C60,andtheionicstrengthaffects t...

Ngày tải lên: 18/06/2014, 22:20

... those woodlands, and those trees in our parks, on our streets, and on the edges of our towns and cities. They are the heritage woodlands for the people that live there. Where was the debate around ... lives and works in the urban environment. As concerns grow about the quality of the urban environment in many towns and cities throughout the world, the importan...

Ngày tải lên: 28/06/2014, 23:20

Ngày tải lên: 11/12/2013, 14:15