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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, c
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摘要围绕过氧化氢作氧化剂的烃类“原子经济”氧化反应、取代有毒有害原料的绿色化工技术、使用环境友好催化剂的化学反应、在新兴绿色溶剂中进行的化学反应、废弃聚合物的回收利用及由生物质资源生产石油化工产品和生物柴油等内容,评述了绿色可持续发展石油化工生产技术的一些新进展。 |
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The recent agreement clinched by the ECB to finalize the deadline for lowering the charges and commi ion rates for tra -border tra actio and capital tra fer can serve as a case in point.
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一个现成的例子就是,在欧洲央行最近的一项协议中,跨国界交易和资本流动的成本和银行佣金率降低的最后期限被。 |
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The recent agreement clinched by the ECB to finalize the deadline for lowering the charges and commission rates for trans-border transactions and capital transfer can serve as a case in point.
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一个现成的例子就是,在欧洲央行最近的一项协议中,跨国界交易和资本流动的成本和银行佣金率降低的最后期限被。 |
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The recent application of thionly chloride in organic synthesis is reviewed,mainly focusing on the preparation of chlorinated compounds,alkenes,esters,amides,nitriles,cyclic sulfites and sulfinyl chlorides.
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综述了近年来氯化亚砜在有机合成中的应用进展,主要涉及氯代化合物、烯烃、酯及酰胺、腈、环式亚硫酸酯、亚磺酰氯等化合物的制备。 |
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The recent baby hand eye starts to coordinate, the small hand and feet moving force is more and more strong, can play with the small hand, also starts to want to stand up from failure moves; the foreign sound response was keener; chirp mutters the start s
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最近宝宝手眼开始协调,小手小脚的活动力越来越强,会玩弄小手,也开始想翻身动一动;对外界声音反应较灵敏了;咿咿啊啊的喃喃自语中开始学发音。 |
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The recent criticism she's had seems to have washed right over her.
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她最近受到批评不过是水过地皮湿无大影响。 |
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The recent decision to give the prize to a Kenyan environmentalist, Wangari Maathai, was also odd: she has done a lot to plant trees in Kenya, but not much to promote peace.
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奇怪的还有,最近,肯尼亚的环保主义者旺加里·马塔伊获颁和平奖,代之以致力于对和平的更多促进,她不过是在肯尼亚植起了大片树林。 |
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The recent deterioration in trade relations does not bode well for the next meeting, which begins on May 22nd.
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近来双方贸易关系恶化,对于下次会谈(3月22日开始)来说,不是什么好兆头。 |
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The recent development and application of microwave assisted extraction for organochlorine,organophosphorus pesticide residue analysis were reviewed in this paper.
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本文综述了近年来国内外微波辅助萃取技术在有机磷、有机氯及其他农药残留分析中的应用。 |
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The recent development of fuel ethanol industry was introduced in this paper and the research progress of various ethanologenic recombinant enteric bacteria was reviewed.
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本文介绍了燃料酒精工业发展的最新动态,并对多种产乙醇重组肠道细菌的研究进展作了综述。 |
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The recent development of organic electrophosphorescent materials used in organic light-emitting diodes, especially in the tricolor low-molecular-weight electrophosphorescent materials, was reviewed.
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摘要综述了近几年来应用于有机电致发光二极管的有机电致磷光材料的研究新进展,重点回顾了三原色小分子电致磷光材料的研究进展。 |