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纳米生物安全性
释义
纳米生物安全性
Encyclopedia
工学
纳米材料
释
nano biosafety
纳米生物安全性
纳米材料由于具有极其微小的尺寸而具有一些块体材料和普通粉体材料所不具备的特殊性质(如小尺寸效应、表面效应、量子尺寸效应以及宏观量子隧道效应),而得到越来越广泛的应用,人类及动植物与纳米材料的接触已经不可避免。许多在普通条件下没有生物毒性的物质,在纳米尺寸下却表现出很强的生物毒性。因此,纳米材料对生态环境、人类健康和社会生活可能产生潜在的危害或风险。
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irrigation requirement
irrigations
irrigation scheduling of pasture
Irrigation Science
irrigation system
Irrigation system with reservoirs connected by canals in ancient China
irrigation technology on grassland
Irrigation warping soil
irrigation water
irrigation water demand
irrigation water management in ancient China
irrigation water productivity
irrigation water quality sprinkler
irrigation water source
irrigation water source project
irrigation water utilization efficiency
irrigation with alternate wetting and drying in rice
irrigation with plastic mulch
irrigation works in ancient China
irrigatong and drainage planning
irritability
irritable bowel syndrome
irritant
irritant contact dermatitis induced by cosmetics
irritant gases poisoning
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