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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,合成了新型高效氧化剂二甲二氧环烷。

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The freshly abraded specimen must then be washed in industrial spirit and Analar acetone.

然后,研磨好新鲜试样必须在工业酒精及纯丙酮中洗涤。

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Benzylidene acetone exports accounted for first in the country.

苄叉丙酮出口占全国第一。

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The release patterns of norgestrel in NRID in vivo were simulated after the norgestrel in NRID was dissolved by acetone and the rest of norgestre was determined by Ultraviolet Ray Spectrometer.

在实验室用丙酮溶解,并用紫外线分光光度仪测定每枚NRID内炔诺酮剩余,计算每枚NRID内炔诺酮,模拟分析NRID主成分炔诺酮在山羊体内规律。

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(Sweet legumin of 2) heparin and benzyl acetone: Can improve Gao Ning position of blood, and prevent kidney spherule sclerosis and new moon bodily form to become.

( 2)肝素与苄丙酮香豆素:可以改善高凝状态,而防止肾小球硬化及新月体形成。

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In this paper we studied the simple history,principle,process and selective method of carrier and medium of production of acetone and butanol with fermentive method of clostridium aceto-butylicum.

本文研究了丙丁菌发酵法生产丙酮和丁醇简史、原理、过程,以及载体和培养基选择方法。

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However, other solvents, such as acetone and trichlorotrifluoroethane, were not and the procedure was adequate for recovering a known inoculum of spores.

不过其他溶剂(如丙酮和三氯三氟乙烷)就不会,操作适用于回收孢子接种物。

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The rearrangement of acetone oxime in the Beckmann solution involves three acetic acid molecules and one proton (present as an oxonium ion).

模拟表明,有三个乙酸分子和一个质子(以氧鎓形式纯在)参与了反应。

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Isopropenyl acetate was synthesized from ketene and acetone by direct esterification using strong acidic cation-exchange resin to substitute H2SO4 as catalyst.

以乙烯酮和丙酮为原料,用强酸性离子交换树脂代替浓硫酸作为催化剂,直接酯化合成乙酰丙酮中间体乙酸异丙烯酯。

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Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.

采用无水乙醇、乙醚、丙酮及水作溶剂,对四川汉源花椒作了精油提取研究。

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Carbon tetrabromide was prepared from acetone and sodium hypobromite by adding tetrabutylammonium bromide.The yield and purity were very satisfactory.

向次溴酸钠溶中滴加适丙酮,在四丁基溴化铵催化下,高产率得到四溴化碳。

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Methods The eyeballs of rat were fixed in the improved fixative solution mixed with paraform,glacial acetic acid and acetone.

方法将大鼠眼球投入到由多聚甲醛、冰醋酸和丙酮组成改良固定中固定后制成石蜡切片,经HE染色后在显微镜下观察。

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Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.

以苯甲醛和丙酮为原料,氟化钾氧化铝作催化剂合成了苄叉丙酮。

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It dissolves in hot grease, paraffine, ethanol, chloroform, acetone and aether, but is insoluble in water.

该产品不溶于水,热溶于油脂、石蜡、乙醇、氯仿、丙酮、乙醚。

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经济学人-

It has already identified glycolaldehyde and acetone, molecules that have eight and ten atoms respectively.

它已经鉴定出了乙醇醛(8原)和丙酮(10原)。

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学60秒 听力 2016年10月合集

But as for his original quest, removing acetone from nail salons?

但是,至于最初的疑问,去除美甲沙龙里的丙酮

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VOA Standard 2015年1月合集

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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Osmosis-内

Interestingly, both ketone bodies break down into acetone and escape as a gas by getting breathed out the lungs which gives a sweet fruity smell to a person's breath.

有趣的是,两种酮体都会解成丙酮,之后以气体形态随着肺部呼吸排出,会使患者的口气有一种水果似的甜味。

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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,包括甲烷、丙酮、甲醇和一氧化碳。

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VOA Standard 2015年1月合集

And doctors have regularly smelled acetone on the breath of patients who are in a state of diabetic ketoacidosis and used it as a diagnostic.

而医生经通过闻酮症酸中毒糖尿病患者呼吸中的丙酮作为诊断方法。

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VOA Standard 2015年1月合集

British researchers say they have developed a portable breath analyzer that can detect even a very small amount of acetone in the patient's breath.

英国研究人员表示已经研制出一种便携式呼吸析仪, 可以检测出病人呼吸中极为少量的丙酮

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可汗学院:生物化学

So at room temperature and pressure, acetone is a liquid.

所以在下,丙酮是液态的。

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Most Notorious! A True Crime History Podcast

Could it have been smoldering acetone film?

会不会是闷烧的丙酮胶片呢?

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化学 Crash Course

In fact, there's a little bit of acetone in your blood right now, which is why it's safe enough to use as nail polish remover.

事实上,你现在血液里有一丁点儿丙酮,这就是为什么它安全到可以用作卸甲水。

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Boost Your Biology with Lucas Aoun

So if the NAD to NADH ratio is high, you will have higher levels of acetones to beta hydroxybutyrate.

所以如果烟酰胺腺嘌呤二核苷酸(NAD)与还原型烟酰胺腺嘌呤二核苷酸(NADH)的比例较高,你体内的丙酮水平就会比β-羟基丁酸更高。

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SciShow - Chemistry

One of those compounds is acetoacetate, which can break down further into -- you guessed it -- acetone.

其中一种化合物是乙酰乙酸,它可以进一步解为——你猜对了——丙酮

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绝命毒师第一季

It's not some claustrophobic little closet that smells like acetone.

这不是一个幽闭恐怖的小衣柜, 闻起来像丙酮

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可汗学院:生物化学

And so the boiling point of acetone turns out to be approximately 56 degrees Celsius.

因此,丙酮的沸点大约是56摄氏度。

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化学 Crash Course

Acetone, with that big hunk and double bond is nice and polar, so it's water soluble; great for cleaning stuff.

丙酮,带有大块和双键, 是很好的极性,所以它是水溶性的; 非适合清洁东西。

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Chubbyemu胖鸸鹋

Acetone is a disinfectant too, so why wouldn't it end up in the lungs to fight the virus?

丙酮也是一种消毒剂,所以为什么它最终不会进入肺部以很好地对抗病毒,这给我们带来了一个?

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Chubbyemu胖鸸鹋

Acetone, nail polish remover, causes mild nervous system effects.

轻微的神经系统影响身体。

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化学 Crash Course

Now, acetone is just a name of that one chemical, not the functional group itself.

现在,丙酮只是一个化学物质的名称,并不是官能团本身。

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可汗学院:生物化学

And since room temperature is between 20 and 25, at room temperature we have not reached the boiling point of acetone.

由于室在20到25摄氏度之间,所以室下我们还没有达到丙酮的沸点。

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SciShow - Chemistry

Your body doesn’t really use acetone for anything, so it mostly tries to get rid of it.

你的身体基本上不会利用丙酮,所以它主要试图将其排出体外。

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