求翻译：绿色化学又称环境无害化学、环境友好化学或清洁化学，是指化学反应和过程以“原子经济性”为基本原则,即在获取新物质的化学反应中充分利用参与反应的每个原料原子，在始端就采用实现污染预防的科学手段，因而过程和终端均为零排放和零污染，是一门从源头阻止污染的化学。绿色化学不同于环境保护，绿色化学不是被动地治理环境污染，而是主动的防止化学污染，从而在根本上切断污染源，所以绿色化学是更高层次的环境友好化学是什么意思？

Green chemistry, also known as environmentally benign chemistry, chemical or environmental-friendly cleaning chemicals, chemical reactions and processes is the "atom economy" as the basic principle that the acquisition of new material in the chemical reactions involved in the reaction of each full u

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Green chemistry called environment harmless chemistry, environment friendly chemistry or the clean chemistry, are refer to the chemical reaction and the process take “the atomic efficiency” as the basic principles, namely in gains in the new material chemical reaction the full use participation resp

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Green chemistry, also known as environmentally benign chemistry, chemical or environmental-friendly cleaning chemicals, chemical reactions and processes is the "atom economy" as the basic principle that the acquisition of new material in th