atom n. 1.原子。 2.微粒;微量。 chemical atoms 原子。 physical atoms 分子。 have [there is] not an atom of 一點(diǎn)也沒有。 break to atoms 粉碎 (The vase was broken to atoms. 花瓶敲得粉碎)。
In order to make the atom economy more clear, the rearrangement reations addition reactions and isomerization reactions for examples were interpreted 通過有機(jī)化學(xué)反應(yīng)中重排反應(yīng)、加成反應(yīng)和異構(gòu)化反應(yīng)等對原子經(jīng)濟(jì)性進(jìn)行了探討。
The atom economy on the reaction of organic chemistry has attracted particular attention in resent years because it is a kind of the improtant reactions 摘要探索具有原子經(jīng)濟(jì)性的反應(yīng)是綠色化學(xué)的重要研究內(nèi)容,是當(dāng)今合成策略的一個重要組成部分。
Abstract : abstract the relation of organic synthesis and green chemistry is briefly described . the importance of atom economy in organic synthesis is emphasized 文摘:本文概述了有機(jī)合成和綠色化學(xué)的關(guān)系,并介紹了原子經(jīng)濟(jì)性的概念及其在有機(jī)合成中的重要性。對21世紀(jì)的化學(xué)發(fā)展提出了希望。
The recent advances of sustainable petrochemical production technologies in the following fields are reviewed, including the atom economy oxidation of hydrocarbons with h2o2 as oxidant, green chemical synthesis with non-toxic and harmless raw materials, chemical reaction using environmentally friendly catalysts, chemical reaction in new green solvents, recovery of polymers waste, and production of petrochemicals and biodiesel fuel from renewable resources 摘要圍繞過氧化氫作氧化劑的烴類“原子經(jīng)濟(jì)”氧化反應(yīng)、取代有毒有害原料的綠色化工技術(shù)、使用環(huán)境友好催化劑的化學(xué)反應(yīng)、在新興綠色溶劑中進(jìn)行的化學(xué)反應(yīng)、廢棄聚合物的回收利用及由生物質(zhì)資源生產(chǎn)石油化工產(chǎn)品和生物柴油等內(nèi)容,評述了綠色可持續(xù)發(fā)展石油化工生產(chǎn)技術(shù)的一些新進(jìn)展。