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Picoline is the by-product in the preparation of diphenylamine with aniline.

甲基吡啶是苯胺连续缩合合成二苯胺的副产物。

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Fluoroaniline is synthesized in two steps from p-nitrochlorobenzene and active potassium fluoride.

以对氯硝基苯和活性氟化钾等为原,经二步法合成了对氟苯胺。

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Using preemulsion and post polymerization a polymer emulsion was synthesized.

先乳化、后聚合工艺成功合成一种聚合物乳液。

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Synthetic peptide purification. Are isocratic elution and volume overload options to improve process economics?

合成蛋白提纯-无梯度洗脱和容量的取舍能提高工艺经济性?

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Side chain fluorinated epoxy resin was synthesized by laurylfluo-enanthol and bisphenol A epoxy resin.

摘要采十二氟庚醇与双酚A环树脂接枝合成了侧链含氟环树脂。

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N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.

以苯胺和溴乙烷为原,乙基氢化铵作相转移催化剂,在常压下合成N,N二乙基苯胺。

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Paired electrosynthesis using glyoxylic acid as a model product has been studied in this paper.

以乙醛酸为模型产物,对配对电解合成技术进行了研究。

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The synthetic principle and the process method of diglycol dioleate were discussed in this paper.

本文探讨了一缩二乙醇油酸双酯酯化反应的合成原理及其工艺操作方法。

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Cu furaldehyde-ethylene diamine Schiff base complex was synthesized with the yield of 63.

合成了一种席夫碱金属络合物——呋喃甲醛乙二胺铜络合物,收率为63。

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Dimethyl dioxirane was prepared with potassium monoperoxy sulfate and acetone.

通过过一硫酸和丙酮反应,合成了新型高效的化剂二甲二环烷。

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The sequencing of the PCR product was determined by using dideoxy-mediated chain-termination method.

双脱DNA链合成终止法进行PCR产物直接测序,确认基因型的测定结果。

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Two series of tolan-type liquid crystals containing terminal cyano group were synthesized.

设计并合成了一类新型末端氰基取代含氟二苯乙炔类液晶。

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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经次氯酸钠合成目标化合物。

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Nylon is a synthetic; it is not from nature.

尼龙是一种合成纤维, 不是天然物质。

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

固相反应合成了新型丙二腈类化合物。

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"The synthetic material is indistinguishable from real silk, but much cheaper."

"这种合成与真丝难以区别,但便宜得多。"

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

合成种标题化合物,探讨了其合成方法。

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The suite is a composite of themes for various parts of the opera.

这组曲是这部歌剧不同部分的主题的合成篇。

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They act at least a temporary block to DNA synthesis in micro-organisms.

它们在微生物中至少对DNA合成起暂时性的阻止作

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Syhthesis of novel derivatives of Naphtol AS and modification used for C.I.

Pigment Red 57: 1 (新的色酚AS衍生物的合成及对C.

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历年六级阅读真题精听

And it's more energy-efficient because it doesn't rely on synthetic fertilizers or pesticides.

而且有机节能,因为它不依赖肥料或杀虫剂。

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走进耶鲁大学

String quartets, jazz bands, chamber orchestras and folk groups are commonly organized within the colleges, as are literary magazines, newsletters, and photo journals.

学生们常常组弦乐四重奏乐团、爵士乐队、室内管弦乐队及通俗组合,这就像文艺杂志、内部简讯和图片期刊一样普遍。

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TED演讲(音频版) 2015年10月合集

One is synthetic, the other organic.

一个是的,一个则是有机的。

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Osmosis-解剖与生理

The renal papilla project into minor calyces which join together to form major calyces which funnel into the renal pelvis.

肾乳头突入肾小盏,每2-3个肾小盏肾大盏;2-3个肾大盏合并形漏斗形的肾盂。

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当月 CNN 10 学生英语 2021年11月合集

This is an incredibly potent synthetic drug.

这是一种非常有效的药物。

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Life Noggin 科普精选(双语)

That's where collagen synthesis defects can present as extreme flexibility.

这就是胶原缺陷可表现为极端灵活性的地方。

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历年六级听力真题精听

Saturated fats are used by the body to make cholesterol, and high levels of cholesterol have since been directly related to heart disease.

人体会利用饱和脂肪胆固醇,而高水平得胆固醇与心脏病有直接联系。

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科学60秒 2018年11月合集

Specifically, a type called synthetic aperture radar, which works day and night, and through clouds.

具体来说,就是一种孔径雷达,它可继日地工作,还可穿越云层工作。

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科学60秒-科学美国人 2019年2月合集

So the researchers tested out a synthetic blend of chemicals that mimics honeybees' alarm pheromones.

因此,研究人员对模仿蜜蜂警报信息素的混合物进行了测试。

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高级每日语法

In addition, many of the words added to the OED in recent years are portmanteaus.

此外,近年来《牛津英语词典》收录的许多单词都是词。

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日常生活医学科普

DNA has a recipe for synthesizing proteins.

DNA 有质的配方。

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经济学人-综合

IN THE crowded annals of marital spite, a 2010 divorce in Illinois—involving a Roman Catholic man and a Jewish woman and lavishly covered by the local press—stands out for the irreconcilable nature of its core dispute.

2010年,伊利诺伊州的一起离婚案:男方是罗马天主教徒,女方则是一名犹太人。媒体大篇幅的报导二人。如果婚姻中的不和谐可一部编年史,那么这起离婚案算得上是婚姻中核心分歧不可调和的典范。

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还乡

It was the united products of infinitesimal vegetable causes, and these were neither stems, leaves, fruit, blades, prickles, lichen, nor moss.

它是细小植物共同的结果,这些植物不是树干草茎,叶柄叶片,也不是果实棘刺,青苔绿薛。

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CNN 10 学生英语 2019年1月合集

From just a small sample of DNA, they can create a composite image of what someone could look like.

仅仅从一小段 DNA 样本,他们就可创造出一个人可能长什么样的图像。

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当月 CNN 10 学生英语 2019年10月合集

Rolling and floating on a synthetic log from Port Byron, Illinois to Le Claire, Iowa.

她在原木上滚动和漂浮,从Port Byron,Illinois滚到了Le Clair Iwoa。

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经济学人(汇总)

The government initially tried to fight the " smombie" (a portmanteau of " smartphone" and " zombie" ) epidemic by distributing hundreds of stickers around cities imploring people to " be safe" and look up.

“低头族”一词“smombie”是由“smartphone智能手机”和“zombie僵尸”,这种人越来越多,政府最初试图通过在城市周围分发数百张贴纸呼吁人们注意安全,抬头看路。

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影视资讯精选

And how do you act alongside a CGI character like Baby Groot?

你是如何和像格鲁特这样的计算机的角色一起对戏的?

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2018最热精选合辑

In 1856, 18-year old English chemist William Henry Perkin accidentally created a synthetic purple compound while attempting to synthesize quinine an anti-malaria drug.

1856 年,英国一位 18 岁的化学家 William Henry Perkin 在奎宁和抗疟疾药时,意外制造出一种紫色复合物。

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听力文摘

Synthetic materials charge static electricity, but flax discharges it.

材料会产生静电,但亚麻却能将其排出。

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透视百科综合类

The camera's precise programming also made shots easily repeatable for seamless compositing.

同时,这个相机的精确性也使实现无缝变得非常轻松。

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