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Our chemistry teacher often reduces a compound to its components in lab.

在实验室中化常把分解为各种成分。

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Water is a compound of hydrogen and oxygen.

水是氢和氧的

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In addition, we found that there are two ultrafast exciton dynamics in Allophycocyanin trimer.

首次发展了蓝光高效双光子荧光

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This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.

本文综述了光气下游精细化品的开发及生产进展,包括二苯甲酮类、氯代甲酯类、异氰酸酯类、酰氯类、碳酸酯类

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The biocidal effect of the two biocides on sulfate reducing bsctcria was evaluated.

结果表明,两个具有很好的杀生效果。

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Dibenzofuran(DF) is one of the model compounds for the study of biodegradation of dioxin-like pollutants.

二苯并呋喃(DF)是研究二英类生物降解的模式之一。

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Secoiridoid compounds are important marked compounds in Olea L.,in particular,oleuropein has some pharmacological activities definitely.

裂环烯醚萜类是木樨榄属植物标记性,尤其是橄榄苦苷具有重要的药理活性。

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Three novel malononitrile derivatives have been synthesized by the solid state reaction at room temperature.

固相反应成了新型丙二腈类

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METHODS The title compound was synthesized from phthalimide by oxidation with sodium hypochlorite.

方法以邻苯二甲酰亚胺为原料经次氯酸钠氧化成目标

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The stereostructure can be predicted from the rotatory direction for simple compounds(for example S,R-Noscapine).

对于较简单的,通过旋光方向可以推断其立体结(S,R那可汀)。

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Continued research on the Podophyllum lignans is currently focused on structure optimization to generate deriv...

优化结、寻找新的鬼臼毒素类资源替代品,已成为当前进一步研究的主要方向。

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Four new triazol organic phosphorus compounds with the general formula(I) have been prepared.

成了四种标题,探讨了其成方法。

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The mass spectra of ureide-type noncyclic polyethers with 2(3H)-benzoxazolone as end groups were studies.

研究了以2(3H)-苯并唑酮为端基、具有酰脲结的非环多醚的质谱。

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The structure shows a distorted trigonal bipyramidal configuration with five-coordinations to a central tin atom.

结果表明,中锡原子呈五配位畸变三角双锥型。

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Athletes usually eat a high carbohydrate diet.

运动员通常吃高碳水食物。

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For the apolar compounds, the derivatization was not necessary.

对于非极性,不一定要进行这样的衍生化。

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Five Schiff bases were prepared from piperonal and diamines by condensation reaction.

成新的双-胡椒醛缩二胺类席夫碱

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Some of the theoretical analyses concerning the compound is given,wethink benzofuroxan cyclics have truly aromaticity.

对其结作了理论分析和实验鉴定,认为该具有杂芳结

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Objective To separate flavonol and flavanonol by the column chromatography of polyamide.

目的采用聚酰胺柱色谱分离黄酮醇与二氢黄酮醇类

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The chromogenic responding ability increases as the substituent changes from phenyl to naphthyl or anthryl.

实验结果表明,偶氮基团的引入改善了8-羟基喹啉的生色能力,并且在乙腈溶液中随着取代基由苯基变为萘基和蒽基时,的吸收光谱发生红移。

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听力文摘

But this chemical seems to counteract an enzyme called quinol-oxidase.

但这种化合物似乎可以抑制苯二酚氧化

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60秒 听力 2016年10月合

It's caused by volatile organic compounds, or VOCs.

室内空气污染的源头是挥发性有机化合物(简称为VOCs)。

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新概念英语.词汇随身听.第三册

Air is a mixture, not a compound, of gases.

空气是气体的混合物,而不是化合物

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历年英语六级听力真题精听

Some people should eat more carbohydrates than others.

有些人应该比其他人吃更多的碳水化合物

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生活大爆炸 第9季

They're basically pure hydrocarbons soaked in fat. Let's hope the lug nut expands.

基本是沾满油的纯碳氢化合物,希望轮爪螺母可以膨胀。

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60秒 听力 2015年7月合

Their bodies launched a counterattack, unleashing anti-inflammatory compounds to tamp down their bodies'immune overreaction.

他们的身体发起了抵御,释放出抵抗炎症的化合物以致身体里的免疫过度反应。

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双语版 TED-Ed 演讲精选

But your digestive tract doesn't respond to all carbohydrates the same.

但是你的消化道并不是对 所有的碳水化合物都有一样的反应。

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Crash Course 天文篇

Titan has wind-sculpted dunes, but they're made of hydrocarbon grains, not sand.

土卫六上有许多风塑沙丘,不过它们是由碳氢化合物颗粒构成的,而不是沙子。

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60秒 听力 2015年3月合

Maybe the compounds are deterrent to nectar robbers, who take nectar without pollinating.

也许这种化合物能够对那些不授粉的采蜜大盗起到威慑作用。

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英语六级新题型

Heating this chemical compound drives off carbon dioxide gas leaving calcium oxide.

加热这种化合物会驱除二氧化碳气体,留下氧化钙。

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2018最热精选合辑

Buffets often put cheaper, or more filling carbs towards the beginning of the line.

自助餐往往会把更便宜或更多的碳水化合物摆放在起始位置。

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爱豆飙英语

Like, carbs, I won't take it because I know I can't.

说碳水化合物是因为我知道自己不能吃那些东西。

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CNN 10 生英语 2019年2月合

In which of these products would you most likely find the organic compound oxybenzone?

在这些产品中,你最有可能找到有机化合物氧苯酮?

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普小杂文

Although you should probably avoid eating lots of refined carbs, like white bread and rice.

虽然你或许应该避开摄取大量精致碳水化合物,像是白麵包和米饭。

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普小杂文

And flavanoids from many plants may improve the health of our cardiovascular systems.

许多植物中的黄酮类化合物可以改善我们心血管系统的健康。

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当月 CNN 10 生英语 2019年11月合

Scientists already have a sense of which compounds in human odors attract mosquitoes.

家已经察觉到人类体味中的化合物会吸引蚊子。

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剑桥雅思听力全真试题 5

This energy is provided by foods which are high in carbohydrate and fat.

这些能量来自高碳水化合物和脂肪的食物。

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节日综合录

Two compounds in this group, decanal and dodecanal offer an earthy, sweet, green aroma.

该类物质中的癸醛和十二醛这两种化合物提供的是泥土般甘甜的绿植香味。

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Osmosis-解剖与生理

Saliva also contains salivary amylase, an enzyme that breaks long carbohydrates down into smaller sugars.

唾液中还含有唾液淀粉,可将长链碳水化合物水解成小分子糖类。

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美食烹饪法

In five, six hours, you have extracted most, or essentially all, relevant flavor active compounds.

其实经过五到六小时,已经萃取出大部分或基本上全部和味道相关的活性化合物

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