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Ethylene glycol monoether acetate are synthesized from acetic acid and ethylene glycol monoethyl ether with supported phosphotungstic acid catalyst.

醋酸和乙二醇单乙料,活性白土负载磷钨酸作催化,合成乙二醇单乙醋酸

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The acetolysis,oxidation and hydrolysis reactions in the synthetic process of 16-dehydropregnenolone acetate from diosgenin were studied.

研究蓣皂素料合成妊娠双烯醇酮醋酸生产工艺中的开环、氧化和水解3步反应。

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科学60秒 听力 20167合集

That location points to gut bacteria, which can produce acetate, as a possible culprit.

该位置指向肠道细菌,这种细菌能产,是潜在的罪魁祸首。

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VOA Special 201911合集

In other studies, Vitamin E acetate was found in liquid from electronic cigarettes and other vaping devices.

在其他研究中,电子烟和其他电子烟设备的液体中也发现了维E

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VOA Special 201911合集

They identified the chemical compound vitamin E acetate as a very strong culprit.

他们认为化合物维E是" 非常可能的罪魁祸首。"

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科学60秒 听力 20167合集

The animals experienced a buildup of a chemical called acetate, particularly in the large intestine.

因此,这种化学物质在这些动物的大肠内积累起来。

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科学60秒 听力 20167合集

Okay, so the gut bacteria in fat-fed mice make acetate. What does acetate do?

食用高脂饮食的小鼠,其体内肠道细菌可以产的作用是什么?

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科学60秒 听力 20167合集

So the researchers wiped out the microbes using antibiotics or a simple saline wash. And acetate levels plummeted.

因此,研究人员用抗或简单的理盐水来消灭微物。这同时也使浓度下降。

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经济学人 Science and technology

Many jurisdictions outlawed any addition of vitamin E acetate to vape liquids, and crackdowns on black markets followed.

许多地区已禁止在电子烟液体中添加维E,并随之对黑市展开了打击行动。

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经济学人 Science and technology

Researchers pointed fingers at vitamin E acetate, a skincare oil that was added to many illicit batches of vaping liquids as a thickening agent.

研究人员将矛头指向了维E,这是一种护肤油, 被作为增稠剂添加到许多非法批次的电子烟液中。

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