环卫1（Sanitation 1）.docVIP

环卫1（Sanitation 1） First, the noun explanation 1. environmental hygiene (environmentalhealth/environmentalhygiene): is the relationship between the health of the natural environment and living environment and population science, reveals the effects of environmental factors on the health of the occurrence and development of law, put forward the health requirements and preventive measures in order to make full use of environmental factors and control of harmful environmental factors, improve human health, improve the health level of the whole population science. 2. food chain (foodchain): a creature that uses another organism as food, the latter as food by third organisms, and a chain of food linked to each other as a food chain. 3. biological effective dose (biologicallyeffectivedose): refers to the absorption, metabolism, activation, transport, and eventually reach organs, tissues, cells, subcellular or molecular targets or alternative targets of pollutants. 4. biogeochemical disease (biogeochemicaldisease) due to the unbalanced distribution of elements in the crust, some parts of the individual trace element deficiency or excess beyond the bodys range, resulting in plant and animal populations occur disease endemic area. 5. environmental pollution (environmentalpollution): when the number of waste discharged into the environment or concentrations exceed the self purification capacity of the environment, causing environmental quality decline and deterioration, affect human health, known as environmental pollution. 6. inversion of temperature (TEMPERATUREINVERSION): the increase in atmospheric temperature with increasing ground height. 7. biological amplification (biomagnification): environmental contaminants through the food chain transfer and progressively increasing the concentration in the organism, the concentration in the high trophic level organisms increased many times than the concentration in low trophic level organisms, this effect is called biological effe