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1.OBJECTIVE To synthesis 5-bromide benzofuran ketone,the key intermediate of citaopram.

1.目的抑郁药西酞普兰中间体5-溴苯酞。

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2.Composition of 1,8 - cineole (80%), camphene, phellandrene, Terpineol acetate, geraniol, isoamyl aldehyde, citronellal, and pepper ketones.

2.1,8-桉叶素(80%以上)、莰烯、水芹烯、萜品醇、乙酸香叶醇、异戊醛、香茅醛和胡椒酮

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

3.本文综述了光气下游精细化学品的开发及生产进展,包括二苯甲酮、氯代甲酯、异氰酸酯、酰氯、碳酸酯物。

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4.Last year in Germany found in different sportswater isopropylation photics tons of ketone (ITX) of microamounts.

4.去年在德国发现不同的饮中有异丙基噻吨酮(ITX)的微量残余。

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5.Methods A serials of thiosemicarbazones were synthesized by utilizing aromatic aldehyde,aromatic ketone and thiosemicarbazide in aqueous solution under ultrasound irradiation.

5.目的利用超声技术和水相体系相结的绿色法优化缩氨基硫脲的条件,扩展超声技术在有机中的应用范围。

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6.The results showed that the main compound categories of aromatic components were alcohols, esters, terpenes and ketones for all half-highbush blueberry cultivars.

6.结果表明,半高丛越橘以醇、酯、萜和酮物质为主。

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7.At the same time, some other oxycompound groups, such as carbonyl group, aldehyde group and ketone group, appear or increase with temperature rising.

7.与此同时,醛、酮、酯羰基、芳香酮、醛羰基氧基团或者从无到有,或者官能团数量不断增加。

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8.It has been demonstrated that the methods are successfully used for QSRR studies of quinazoline derivatives, alkypyridine, haloid alkane, ketone, alcohol, sulfur alcohol compounds.

8.此方法中各参数物理意义明确,计算简便。

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9.Instead of being fueled by sugar, as it usually is, it begins to metabolize fat-derived molecules called ketone bodies, hence the term ketogenic diet.

9.由脂肪转变而来的分子—酮体,取代了通常的糖,开始为大脑的新陈代谢功能。因此术语称之为生酮饮食。

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10.The syntheses of two new derivatives of 4 - pyrone, by the reaction of adipyl choloride with enamines deriving from chain ketones and aldehydes, are described.

10.本文由链状醛酮的烯胺与己二酰氯反应两个新的4-吡喃酮衍生物。

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11.The invention is applied to the catalytic reactions such as aromatic ketone unsymmetrical hydrogen transfer reaction and can achieve very high yield and enantiotropic selectivity.

11.此发明应用于芳香酮的不对称氢转移反应的催化反应中,可以得到很高的产率和对映选择性。

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12.Examining the channels in mouse brains, the researchers infused brain slices with ketone bodies, chemicals produced by the lier when the body is on the ketogenic diet.

12.在对鼠脑进行的通道研究中,研究者们用机体在生酮膳食时肝脏产生的化物――酮体来浸泡脑片。

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VOA Standard 2015年1月合集

1.And the sweet smell is this particular ketone that is given out; it's called acetone.

甜香味尤其是这种酮所散发出,它的学名是丙酮。

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WIL生活

2.Not only that, as he shows here, the Alzheimer's brain actually uptakes ketones better than controls.

如此,正如他在这里所展的与对照组相比,老年痴呆症患者大脑摄取酮体的数量要更多。

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连线杂志

3.We use nitrogen to clean the lacquer, and we use methyl ethyl ketone to keep the stylus clean.

我们用氮气来清洁漆,我们用甲乙酮来保持唱针的清洁。

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WIL生活

4.However, the Alzheimer's brain has no problem using ketones for energy.

然而,老年痴呆症患者大脑将酮体作为其能量来源却没有任何题。

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Scishow 精选系列

5.And when your body breaks down fats without much glucose around, it produces compounds called ketone bodies.

当你的身体分解没有太多葡萄糖的脂肪时,它会产生一种叫做酮体的化合物。

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WIL生活

6.Babies may be living on ketones even before birth.

甚至在出生前,婴儿可能就靠酮过活。

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Chubbyemu胖鸸鹋

7.But lactation can also increase the production of ketones.

但是哺乳也会加剧酮类的产生。

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Chubbyemu胖鸸鹋

8.Over these 3 days, they will monitor her blood sugar and ketones.

在这三天内,他们会测量她血糖和酮水平。

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WIL生活

9.Very simply put, ketones are a source of energy naturally produced in the body from fat when dietary carbohydrate is restricted enough.

简而言之,当人体碳水化合物摄入受限时酮体——人体内脂肪的代谢产物——便自然而然地成了大脑能量的新来源。

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Asap SCIENCE 精选

10.This works for the time being, but ultimately only 75% of the brain's energy requirements can come from ketones. It still needs glucose!

这暂时会起到作用,但最终酮类只能够满足大脑所需能量的75%,它仍然需要葡萄糖!

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健身知识科普

11.Some research suggest that our bodies can adapt to other energy sources like ketone bodies and be less reliant on carbs.

一些研究表明,我们的身体可以适应其他能量来源,如酮体,减少对碳水化合物的依赖。

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VOA Standard 2015年1月合集

12.Oxford University Emeritus Professor of Chemistry Gus Hancock says it is due to the build-up of chemicals called ketones in the patient's blood.

牛津大学名誉教授化学加斯·汉考克表这是由于被称为酮的化学物质在病人血液中累积所致。

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化学 Crash Course

13.Esters are just like a ketone mixed with an ether.

酯就像酮与醚的混合。机翻

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科学60秒-科学美国人 2021年11月合集

14.By functional group I mean an alcohol group or ketone group or aldehyde group or acid group.

官能团是指醇基或酮基或醛基或酸基。机翻

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化学 Crash Course

15.To get that, we knock the 'A' off and harden that 'C' into a 'K' and get a 'Ketone'.

为此,我们将“A”敲掉并将“C”硬化为“K”并得到“酮”。机翻

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WIL生活

16.So, the more caffeine, the more ketones.

所以,咖啡因摄入越多,产生的酮就越多。

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WIL生活

17.And it has been shown that ketones can provide up to 60% of the energy requirements for an adult brain.

研究表明,酮体可以提供人体大脑所需能量的 60%。

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WIL生活

18.And, they enhance the production of ketones.

提高酮的产生。

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WIL生活

19.However, this doesn't matter if getting more MCT oil into the stomach and getting more ketones into the brain doesn't improve cognitive function.

然而,如果增加 MCT 油以及大脑酮摄取量能提升认知功能的话,这么做就毫无意义了。

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化学 Crash Course

20.So yeah, when we have a carbonyl in the middle of a carbon chain, that is a ketone functional group.

所以是的,当我们在碳链中间有一个羰基时, 那就是酮官能团。机翻

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