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The effects of the composition of catalyst (the structure and amount of bident ligand and strong acid, the cocatalytic activity of Cu〓, the roles of methanol and phenol etc.) and the copolymerization condition (the reaction time, temperature, amount of ST and CO, the structure and amount of dilution reagent etc.) on catalytic activity were studied in detail. Also the optimum copolymerization condition was chosen.

深入考察了催化体系组成（含氮双齿配体的结构与用量、强酸的结构与用量、铜盐的助催化作用、醇类与酚类化合物的作用等）和沉淀共聚反应条件（共聚反应的温度与时间、稀释剂结构与用量、苯乙烯与一氧化碳量等）对该共聚反应的催化活性的影响，优化共聚反应的聚合条件。

The composition and the antioxidant activity of bog bilberry polyphenol extract as well as its anthocyanin components were investigated.

研究笃斯越桔多酚提取物的成分、花青素组分和抗氧化能力。

This article deals with the calculating rules, several handling situations of quotient and remainder in "Binary fixed point mending code division by one figure" based on the teaching material THE THEORY OF COMPUTER COMPOSITION .

针对《计算机组成原理》教材中关于"二进制定点补码一位除法"中的运算规则、商及余数的几种情况，进行了深入、详实的研究与讨论，补充了教材中的缺憾，论证了计算机在除法操作中的基本原理。

Abroad is different to nettle of different individual plant place, if complete grass, root, bine, leaf is mixed,the chemical composition of hibernate wool had detailed research....

国外对异株荨麻不同部位，如全草、根、茎、叶和蛰毛的化学成分进行了具体的探究。。。。

Biogenetic gas;origin of hydrogen;biochemical action;hydrogenase;isotopic composition

生物气；氢的来源；生物化学作用；氢化酶；同位素组成

Organic wastes from past centuries were completely degraded, due to their composition from biogenous material

在过去的世纪里，由于微生物的作用有机废物在堆肥的过程中而被完全分解。

According to the new vision of the committee, NEON should be focused on the six critical environmental challenges that the nation faces, including biodiversity, species composition and ecosystem functioning; ecological aspects of biogeochemical cycle, ecological implcations of climate change, ecology and evolution of infectious diseases, invasive species and land use and habitat alteration.

新的方案建议NEON应重点关注生物多样性、物种组成与生态系统功能、生物地球化学循环的生态学影响、气候变化的生态学内涵、传染病的生态学和演化、入侵种以及土地利用和栖息地的丧失这6个美国国家层次当前所面临的最严峻的环境挑战。

I have a unique room, as it is by the black-and-white composition of two colors.

我有一个别具一格的房间，因为它是由黑白两种色调构成的。

But the rapid growth of this kind of twice is in developed country already time passes and the situation has changed, those who replace is the osmosis of blandly growth, stable price and new market composition.

但这种成倍的快速增长在发达国家已时过境迁，取而代之的是暖和地增长、稳定的价格和新市场成分的渗透。

A particular type of metrical composition, such as blank verse or free verse.

诗体韵文的一种特殊形式，例如无韵角诗歌或者自由诗

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。