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This proved that nitrourea was a more suitable reactant than urea to synthesize Keto-RDX.

由此表明了在生成RDX酮的反应过基脲上比脲更为合适的反应形式。

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The soy sauce containing urea will become red when heated together with diacetyldioxime and phosphoric acid.

掺有尿素的酱油在与丁二酮肟、磷酸混合后,加热煮沸会呈现红色。

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Since various, cause has not given a test to maneb zinc supersession thing second braces sulfurs urea (ETU).

由于各种原因未对代森锰锌的代谢物乙撑硫脲(ETU)行检测。

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Cross-linking agent glycoluril with a yield of 61.8% had been synthesized by employing urea and glyexal as reactants,and hydrochloric acid as catalysts.

尿素和乙二醛为原料,在酸催化的条件下合成了甘脲,产率为61.8%。

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High-grade filling and retanning agent CDF was prepared by condensation polymerization reaction of urea,cyanuramide and dicyandimide.The property and application of the product were discussed.

本文主要论述了用脲、双氰胺、三聚氰胺等原料经缩聚反应制备填充复鞣剂CDF的其性能与应用。

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This paper presents the studies on the reaction form of urea or nitrourea which condenses with nitrolysis fragments of urotropine to form Keto-RDX in nitrating agents.

通过改变加料式来研究基脲在化剂与乌洛托品解碎片行缩合反应的形式。

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Methods Compounded one kind of trisaccharide iron urea indol culture medium and the trisaccharide iron agar has carried on the contrast experiment with the national standard method in voluntarily.

法自行配制了一种三糖铁尿素靛基质培养基,并与国家标准三糖铁琼脂行了对比试验。

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A kind of monosubstituted squaric amide ——mono carbamoyl amide of squaric acid 3(MCASAQ) was prepared by the condensation of squaric acid (SQ) with urea or its derivatives in water.

以水为介质,酸与脲其衍生物顺利发生脱水缩合,合成了一类酸单酰胺化合物——甲酰类氮氧酸3。

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Scishow 精选系列

Mainly, urea and uric acid producing even more ammonia.

同时尿素和尿会产更多的

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NPR音讯 2015年10月合集

Those cars don't have the urea tank right now.

这些车辆现在没有安装尿素罐。

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PBS趣味科普

Using a special enzyme, they stuff urea — another nitrogen containing compound — into their tissues.

它们使用一种特殊的酶,它们向组织填装尿素 ——另一种含氮化合物。

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Osmosis-微

So, with Klebsiella, urease makes urea dissociate into carbon dioxide and ammonia.

肺炎克雷伯杆菌产的脲酶使得尿素成二氧化碳和

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英语短文

The fatty acids, urea, uric acid and lactate in the sebaceous film protect and hydrate the skin.

皮脂膜的脂肪尿素尿和乳对皮肤有着保护和滋润作用。

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Crash Course 理学篇

So the liver converts the ammonia into a less-toxic compound, urea, which our kidneys filter out into our pee.

所以肝脏将转化为毒性较小的化合物,尿素我们的肾脏将其过滤到尿液

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Osmosis-微

So, with Staph saprophyticus, urease makes urea dissociate into carbon dioxide and ammonia.

葡萄球菌的脲酶可使尿素为二氧化碳和气。

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SciSHow 快问快答小科普

Pee and sweat for example both contain urea, a molecule with two ammonia like parts.

例如, 尿液和汗液都含有尿素这是一种含有两个类似的部分的分子。

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Huberman Lab

Because people say, well, it's the urea cycle and this and that.

因为人们说,嗯,这是尿素循环等等。

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Freakonomics Radio

Some of it we use to make urea.

一些我们用来制造尿素

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科学报

They made a cement from urea and faux lunar soil.

他们用尿素和人造月球土壤制成了水泥。

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科学报

Her team mixed that powder with powdered urea.

她的团队将这种粉末与尿素粉混合

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PBS人体科学

Using a special enzyme, they stuff urea–another nitrogen containing compound–into their tissues.

使用一种特殊的酶,它们将尿素——另一种含氮化合物——填充到它们的组织

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初来乍到(第二季)

And be sure to use fertilizer without urea.

一定不要用含尿素的肥料

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SciShow 合集

So, if you’re eating a high-salt diet, your body responds by making more urea.

所以,如果你吃的是高盐饮食,你的身体会产更多的尿素

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科学报

They bought their urea from a chemical supply company.

他们从一家化学品供应公司购买尿素

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透视百科健康类

Adding to your trouble is urea.

尿素会给你带来更多麻烦

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2017专外有声

They do this by separating urea, mineral salts, toxins, and other waste products from the blood.

它们通过从血液分离尿素矿物盐、毒素和其他废物来达到这一目的。

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Scishow 精选系列

And while urea is great at de-icing and is generally safe for pets and children to be around, there are some downsides.

虽然尿素具有很好的除冰作用,而且通常对宠物和儿童来说是安全的,但也有一些缺点。

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Osmosis-微

Staph saprophyticus is also urease positive, meaning it produces an enzyme called urease that dissociates urea into carbon dioxide and ammonia.

葡萄球菌也是脲酶(尿素酶)阳性的,这意味着它会产一种称为脲酶(尿素酶)的酶,能将尿素为二氧化碳和气。

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