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Thioglycolic acid(TGA) was synthesized from thioglycolic acid and sodium hydrosulfide under common pressure.

研究了以硫氢化钠和氯乙酸钠为原料常压合成巯基乙酸。

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The target compound was synthesized from N-benzyl protected aminoacetophenone through hydrogenation,benzoylation and reduction.

以氮-苄基保护胺基酮为原料,经氢化化,还原三步合成双沙丁胺酯。

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Fe-only hydrogenase can catalyze the reversible reaction of protons and electrons to molecular hydrogen in nature.

对铁氢化酶活性中心进行化学模拟将有可能产生出新型的产氢催化剂。

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The hydrogenation of terpineol to dihydroterpineol catalyzed by Raney Nickel modified by potassium borohydride was studied.

研究了以硼氢化钾修饰的雷尼镍催化剂催化松油加氢制备二氢松油的反应。

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Oxidation of tropine with chromic oxide gave tropinone which can be quaternized to 5 in quantitative yield.

为了使反应的研究简化,将阿托品水解为托品、再氧化为托品酮,托品酮胺盐与氢化钠反应。

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Objective: To explore the relationship between the occurrence of hypokaliemia in patients with Cushing syndrome and cortisol.

探讨库欣综合征患者低钾血症的发生与氢化可的松的关系。

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The recent developments in conventional synthesis of naphthol are summarized, including sulfonation alkali-fusion, via isopropyl naphthalene, hydrolysis, via tetrahydronaphthalene.

摘要简了近年来一元萘酚传统合成技术的发展,包括磺化碱熔法、异丙萘法、水解法、四氢化萘法。

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Nerolidol was prepared by selective partial hydrogenation of dehydronerolidol at normal or nearly normal pressure in presence of a catalyst.

脱氢橙花叔在催化剂存在和常压(或接近常压)下发生选择性部分氢化反应,形成橙花叔

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States the latent hazardness of such hydrocarbons as acetylene in air separator, and presents the preventive measures in normal production.

乙炔以及碳氢化合物在空分装置中具有的潜在危险性,并提出在正常生产中的预防措施。

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Using magnesium hydride as a destabilizer for lithium borohydride, for instance, lowers the release temperature from 400 to 275 degrees C.

举例来说,以氢化镁当做硼氢化锂的去稳定剂,可以将释放气体所需的温度从400℃降到275℃。

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The recovered hydrogenate has more impurity, so a new purification method was usedwhichsettl-ed the tail peak problem in finished Doxycycline Hyclate.

采用向盐酸多西环素精制母液中加5-磺基水杨酸和水的方法,从精制母液中回收出氢化物,并确定了最佳配比。

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The mechanical property and thermal stability of cured epoxy resin were closely related to the chemical structure of hydrogenated terpinene maleic anhydride.

氢化萜烯马来酸酐的化学结构与固化物的机械强度及热稳定性密切相关。

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The catalysts,which were used for oxidating hydrogenized anthraquinone working fluid in the production course of hydrogen peroxide by anthraquinone method were introduced.

介绍了蒽醌法生产过氧化氢在蒽醌氢化工作液氧化步骤中所用的催化剂。

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Sevoflurane is synthesized from aceton by vapor phase catalytic fluorination, vapor phase catalytic hydrogenation,chloridization and fluoromethylation, which gives a new synthetic method.

以丙酮为原料,经氯化、气相氟化、气相氢化及氟基化等一系列改进的方法合成了七氟醚,提供了一条新的合成路线。

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The function of hydrocarbons and nitrogen oxides in photochemical smog formation and the formative process of ozone and peroxyacetyl nitrate are discussed.

介绍了氮氧化物、碳氢化合物在形成光化学烟雾中的作用和臭氧、过氧乙硝酸酯产生的过程,并介绍了光化学烟雾的形成机理。

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Hydroprednisone acetate was injected into the rabbits of the model group using intragluteal injection to produce necrosis models of bone cells of femoral head.

模型组采用臀肌注射醋酸氢化泼尼松(简称激素)建立股骨头骨细胞坏死模型。

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The content of As and Sb in paints are analyzed by hydride generat io n atomic fluorescence spectrometry (HG-AFS) and L-cysteine prereduction proces s.

采用氢化物发生-原子荧光光谱法,用L-半胱氨酸预还原法,对涂料中砷和锑进行了分析。

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A new camphol sandaliol was synthetized by selective alkylation of isocamphol and phenol with acidic catalyst, and following hydrogenated in the presence of Raney nickel.

本文用异龙脑与酚在酸性催化剂作用下进行选择性烷基化反应,再经催化氢化还原得到龙脑檀香产品。

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Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文对巯基乙酸的合成工艺进行了比较研究,认为硫氢化钠法和硫代硫酸钠法生产成本低,适宜于选矿用巯基乙酸的生产,而硫脲法可得到较高浓度的巯基乙酸。

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A proof that most of the steps for the reaction of Dihydrocoumarin are consecutive has been given from kinetic experiments and analytical results of the products.

动力学实验及产物分析结果表明氢化香豆素的大多数反应步骤是按连串反应进行。

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经济人(汇总)

The world is hungry for its hydrocarbons.

世界对氢化合物如饥似渴。

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经济人-科技

Any hydrocarbons in the crater would certainly have been vaporised.

这说明所有氢化合物已经被汽化。

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活大爆炸 第9季

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

基本就是沾满油氢化合物,希望轮爪螺母可以膨胀。

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双语版 TED-Ed 演讲精选

The energy in gasoline comes from a class of molecules called hydrocarbons.

汽油能量来自一类叫做氢化合物分子。

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CNN 听力 2013年11月合集

Next up today, partially hydrogenated oils.

今天接下来节目是关于部分氢化油。

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经济人(汇总)

Hydrocarbon aviation fuels are thus likely to be around for a while.

因此,氢化合物航空燃料可能会存在一段时间。

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PBS趣味科普

Dunes on Saturn's moon Titan, made of frozen hydrocarbons.

土星卫星土卫六上沙丘,由冰冻氢化合物组成。

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慢速美音

These oils are the main cause of " trans fats" in some processed foods.

这些氢化油是一些加工食品中“反式脂肪酸”主要成因。

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CNN 10 英语 2018年5/6月合集

Hydrogenation, which simply means to combine with hydrogen, is the process by which fatty acids are solidified.

氢化,就是与氢结合过程,是脂肪酸固化过程。

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韩刚B2A“译点通”:听力笔记快速上手宝典

“There are products that indeed can be formulated without the use of partially hydrogenated oils.”

“确实有产品在加工过程中没有使用部分氢化油。”

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CNN 10 英语 2018年3月合集

Most of the time, it's from prescription drugs like Oxycodone or hydrocodone.

大多数时候,它都是处方药,如羟考酮或氢化酮。

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TED演讲(视频版)双语精选

But what we're talking about here is a pivot from hydrocarbons to heat.

但我们这里在谈是转移,从氢化合物转移到热能。

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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,不过它们是由氢化合物颗粒构成,而不是沙子。

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CNN 10 英语 2019年5月合集

Ultraprocessed, refers to food that have emulsifiers, high fructose corn syrup, flavoring agents and hydrogenated oils.

是含有乳化剂、高果糖浆、调味剂和氢化脂肪。

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大揭秘

Common combustion products include hydrocarbons, oxides of nitrogen and sulfur, ammonia and particulate matter.

常见燃烧产物包括氢化合物、氮和硫氧化物、氨和颗粒物。

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60秒-科美国人 2022年6月合集

The bees developed distinct microbiomes-and they also produced different cuticular hydrocarbon scents.

蜜蜂产了不同物群--它们也产了不同表皮氢化合物气味。

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PBS趣味科普

The hydrocarbons hot oxygen in the air slam into each other and their atoms begin to rearrange.

这些氢化合物跟热氧气撞成一块,然后它们原子开始重新组合。

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连线杂志

Lithium ion batteries are much smarter than older nickel cadmium or nickel metal hydride rechargeable batteries.

锂离子电池比旧镍镉或镍金属氢化物可充电电池智能得多。

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VOA Special 2013年12月合集

" There are products that indeed can be formulated without the use of partially hydrogenated oils, " he said.

“确实有产品在加工过程中没有使用部分氢化油。”

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CCTV 见闻

Now C9 is a type of hydrocarbon resin chemically manufactured from oil and is toxic to humans.

C9是一种氢化合物树脂,由石油化合成,对人体有害。

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