aPesticide residues on crops and mercury in fish are examples of toxic substances that may be encountered in daily life. Many industrially produced chemicals may cause cancer, birth defects, genetic mutations, or death. Although a growing list of chemicals has been found to pose serious health ri...
Examples: Toxic Substances Control Act, other Acts问题补充:匿名 2013-05-23 12:21:38 例如:有毒物质控制法,其他法令 匿名 2013-05-23 12:23:18 例子:毒品控制法案,其他行动 匿名 2013-05-23 12:24:58 例子: 毒品控制法案,其他行动 匿名 2013-05-23 12:26:38 例子: 有毒物质控制法的...
Toxics reduction aims at reduced releases of toxic substances. Toxics use reduction (TUR) has been advocated as a simple and effective method of reducing toxic pollution. Here we analyse five cases of process modifications given by companies as examples of toxics reduction. All of the companies ...
Toxic waste, chemical waste material capable of causing death or injury to life. Waste is considered toxic if it is poisonous, radioactive, explosive, or bioaccumulative (that is, increasing in concentration at the higher ends of food chains) or if it ca
A compoundof carbon, hydrogen, and oxygen Applications:Alcoholic beverages, rocket fuel, antiseptics, and antidotes Pure ethanol is a colorless, flammable liquid with a slight characteristic odor and a burning taste. It is toxic alcohol, affecting the central nervous system. The less concentrated for...
Another problem with incineration is that it generates ash, which must be landfilled. Incinerators usually reduce the volume of garbage by 70 to 90 percent. The rest comes out as ash that often contains high concentrations of toxic substances. ...
Acute toxicity: A poisonous effect produced by a single, short-term exposure to a toxic chemical, resulting in obvious health effects and even death of the organism. Chronic toxicity: A poisonous effect that is produced by a long period of exposure to a moderate, less-than-acute dose of ...
For that reason, some POPs are referred to as persistent, bioaccumulative toxic substances. In chemistry, there are organic compounds called hydrocarbons, which are composed of carbon and hydrogen atoms, arranged in various ways. They have their own concerns as pollutants, but generally speaking, ...
Poisonous substances are toxic when ingested. Venomous creatures inject poison as a form of aggression or self-preservation. A toxic mushroom is poisonous, and a rattlesnake is venomous. Unfortunately, these two words are used interchangeably in everyday speech but have very different meanings ...
The living components of the biosphere, also known as the biota, plays an integral role in providing us with the raw material we need to survive: food, fuel, and fiber. 4. Cleans the Earth of Toxic Substances The natural cycles of decomposition and biological modification, which take place ...