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Often used in combination with Diacetyl and certain Diketones (Hexane-,Pentanedione).

名称:甲基乙酰甲醇,乙偶姻,3-羟基-2-丁酮,醋嗡.

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It exists the option of an alkaline or a neutral cooking to produce bleachable paper pulp, and of acid hydrolysis of the straw to produce furfural and fermentable pentoses to produce methanol.

漂白浆的工艺条件是可以选择的如碱法,中性蒸煮,而且利酸法解草类原料可以糠醛和发酵戊糖甲醇.

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Approximately 30 compounds have been identified in the aroma of green tea, the major ones being benzyl alcohol, phenylethyl alcohol, a hexenol, linalool, geraniol and methyl salicylate.

约有30种化合物已从绿茶的香气中鉴别出来,其中主要的有苯甲醇、苯乙醇、已烯醇、沉香醇、香茅醇和甲基杨酸酯。

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Etodolac was synthesized with 7-ethyltryptophol and methyl 3-oxopentanoate as the starting materials.Highly pure etodolac was obtained by purifying the crude product with a mixing solvent.

以7-乙基色醇和3-氧代戊酸甲酯为起始原料,以甲醇为溶剂,合成了依托度酸.混合溶剂对粗品进行精制,得到了高纯度的依托度酸.

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Different solvent extractions of Spora Lygodii were obtained using methanol,chloroform and petroleum ether as medium.Experiments were carried out on them by FT-IR spectra.

甲醇、氯仿、石油醚为提取溶剂,提取中药材海金沙得到海金沙不同溶剂提取物,外光谱(FT-IR)图谱鉴别法对提取物进行实验。

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The article has introduced the method such as methanol, ethanol, ethylene glycol, pointing out synthol is the new raw material of oildom.

介绍了由合成气为原料制取甲醇、乙醇、乙二醇等品的方法,指出了合成气是石油化工的新原料。

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The preparation of hydroxyacetone was studied by esterification of chloroacetone with sodium formate and alcholysis of acetonyl formate with methanol.

以一氯丙酮、甲酸钠和甲醇为原料经酯化与醇解两步反应合成羟基丙酮,研究了反应条件对相转移催化酯化以及醇解反应蒸馏过程的影响。

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Furfuryl propionate was synthesized from furfuryl alcohol and propionyl chloride using hexahydropyridine as catalyst and anhydrous sodium bicarbonate as acid-caputor.

以α呋喃甲醇和丙酰氯为原料,以六氢吡啶为催化剂,无碳酸氢钠为缚酸剂合成了α呋喃甲醇丙酸酯。

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The catalysts and reaction conditions have been studied for esterinterenange between propenyl carbonate and methanol to produce dimethyl carbonate (DMC).

研究了碳酸丙烯酯和甲醇经酯交换制备碳酸二甲酯的催化剂及反应工艺条件。

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The fifteen drums of methyl alcohol, in addition to loose lids, are bulging. You might as well recooper them.

这15桶甲醇除盖子松外,还鼓胀了,你们不妨重修一下。

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The polyester or copolyester can be converted into dimethyl terephthalate of binary acid and glycol by method of methanolysis.

介绍甲醇醇解法把聚酯或共聚酯解聚成二元酸二甲酯和二元醇。

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The relative mass correction factors of methyl alcohol, glycide, glycerol, and glycerol carbonate with different concentrations were investigated.

摘要考察了不同组成浓度下甲醇、缩甘油、甘油和甘油碳酸酯体系相对校正因子的变化。

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Reaction of ferrocenylphenylcarbinol with ethereal solution of boron trifluoride in dichloride methane formed the relevant ferrocenylphenylmethyl carbocation.

二茂铁基苯基甲醇与三氟化硼-乙醚溶液二氯甲烷中作,形成二茂铁苯基甲基碳正离子。

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A simultaneously potentiometric titration method for determining benzaldehyde and benzoic acid in electrosynthesis products was reported.

电位滴定法测定甲苯电合成物中的苯甲醛和苯甲酸,研究了盐酸羟胺量、苯甲醇和甲苯含量对测定的影响。

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经济学人-科技

Usually it is synthesised either from methanol and formic acid, or methanol and carbon monoxide.

通常它由酸,或和一氧化碳合成。

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BBC 听力 2013年3月合集

But industrial alcohols like methanol is(are) sometimes used to increase the potency of the drink.

有时会添加等工业酒精以增加饮品效力。

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科普小杂文

Aspartame is broken down to phenylalanine, aspartic acid, and methanol.

阿斯巴甜分解成苯丙氨酸、天冬氨酸和

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6 Minute English 六分钟英语

Ice can react with other elements to create organic molecules, for example the alcohol, methanol.

冰可以与其他元素反应生成有机分子,例如酒精、

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环境与科学

We start with just three molecules water, methanol and ammonia.

一开始只有3分子水、和氨。

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连线杂志

So embalming fluids made out of methyl alcohols instead of carcinogens like formaldehyde.

所以防腐液而不醛之类致癌物。

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空中英语教室:中级版(2024年)

Okay, so it runs this container ship that runs entirely on green methanol.

好吧,这一艘完全使绿色运行集装箱船。

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经济学人(汇总)

The team's demonstration rig, which they installed on the roof of ETH's Machine Laboratory Building, had a typical yield of 32ml of pure methanol per seven-hour day-tiny, but a clear proof of principle.

该团队装置安装在ETH机器实验室大楼屋顶上,其产量为每7小时32毫升纯,虽然量很小,但这一个明确原理证明。

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科学60秒-科学美国人 2023年1月合集

Their experiments show that methanol, commonly known as wood alcohol, and hydroxyl react rapidly at –210 degrees Celsius to form methoxy, which has also been spotted in space.

他们实验显(俗名木精)和羟基形成氧基反应速度在零下 210 摄氏度时很快,而研究人员也在宇宙中发现了这一过程。

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BBC 听力 2012年9月合集

That has been blamed on bootleg spirits tainted with the industrial chemical methanol which was sold cheaply at markets and outdoor kiosks. Rob Cameron reports from Prague.

这起事故要归咎于掺入工业私卖烈性酒,这种酒在市场上户外小摊上很便宜。罗伯·卡梅隆报道。

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科学60秒 听力 2014年11月合集

Also in the mix: formaldehyde and methanol, found in embalming fluid, mixed with faint traces of poisonous hydrogen cyanide, which has an almond-like aroma.

罗斯塔还在防腐剂中发现与微量含杏仁气味有毒氰化氢混合在一起醛和

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AP 听力 2020年8月合集

The FDA is warning consumers that methanol is not an acceptable active ingredient for hand sanitizers, recalling over 75 different hand sanitizing products.

美国食品和药物管理局(FDA)警告消费者,洗手液中不可接受活性成分,并召回了75种不同洗手产品。

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CNN 10 学生英语 2023年10月合集

If we can address the safety concerns in the meantime, methanol is being deployed already now in very, very small quantities.

如果能解决料安全问题,那就更好了,像,现在得已经很少了。

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宇宙奇迹

But there are also complex carbon compounds in here. So there's methanol, there's hydrogen cyanide, there's formaldehyde, there's dimethyl ether.

还有一些复杂碳基化合物,比如 、氰化氢、 醛、 二醚。

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TED讲(视频版)双语精选

It's also being turned into hydrogen-derived fuels like green ammonia, green methanol, which can fuel global shipping.

它还被转化为氢衍生燃料,如绿色氨、绿色,可为全球航运提供燃料。

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科学大揭秘

There are some other gases in the air too, including methane, acetone, methel alcohol and carbon monoxide.

空气中还有其他一些气体,包括烷、丙酮、和一氧化碳。

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6 Minute English 六分钟英语

If they have a carbon atom in them then they're complex organic molecules, so things like very simple alcohols like methanol or ethanol, like what you would drink, are complex organic molecules.

如果分子里面有碳原子,那么它们就复杂有机分子,所以像结构非常单一酒精,比如或乙,比如你喝酒,都复杂有机分子。

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环境与科学

We chose three molecules likely to be in such ice, water, methanol and ammonia.

我们选择了三种可能存在于冰中分子,水,和氨。

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AP 听力 2020年8月合集

All products on the list tested positive for the chemical which can be toxic when ingested or absorbed through the skin.

名单上所有产品都检测出呈阳性,这种化学物质在摄入后或通过皮肤吸收后可能有毒。

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科普小杂文

And at such small doses, the added methanol into the body simply doesn't do anything to the body.

在如此小剂量下,吸收到体内对人体没有任何影响。

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