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

由此表明了在成RDX酮的反应过程中,硝基脲上比脲更为合适的反应形式。

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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.

方法自行配制了一种三糖铁尿素靛基质培养基,并与国家标准方法中三糖铁琼脂进行了对比

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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.

水为介质,方及其衍利发脱水缩合,合成了一类方单酰胺化合——甲酰类氮氧方3。

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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.

通过改变加料方式来研究或硝基脲在硝化剂中与乌洛托品硝解碎片进行缩合反应的形式。

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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的方法及其性能与应用。

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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,在催化的条件下合成了甘脲,产率为61.8%。

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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乙撑硫脲(ETU)进行检测。

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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、磷混合后,加热煮沸会呈现红色。

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爱豆飙英语

Tears of gold, I wanted it to be such a powerful statement and its just like I didn't just cry for you, like it wasn't just like water salts in urea.

我希望《Tears of Gold》这为一个非常有力声明, 我不只是为你哭泣,它不仅仅是尿素水和盐。

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Scishow 精选系列

Mainly, urea and uric acid producing even more ammonia.

同时尿素和尿酸会产生更氨。

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Osmosis-微生物

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

肺炎克雷伯杆菌产生脲酶使得尿素分解二氧化碳和氨。

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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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生物学基础入门

The liquid that connects in the bladder is called the urine, it contains urea which is a waste product from the breakdown of the excess protein.

连接膀胱液体称为尿液,它含有尿素尿素蛋白质分解后废物。

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Osmosis-泌尿

If the urea isn't reabsorbed, less urea stays in the blood relative to creatinine, and the BUN: Cr ratio falls to less than 15 to 1.

如果尿素没有被重吸收,相于肌酐,血液中尿素就会减少,因而尿素氮与肌酐比率降至小于15:1。

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新奇事件簿

The scientists said there is a chemical compound in human urine called urea. This could help things stick together to make a kind of concrete.

科学家们表示人类尿液中有一种被称为尿素化合物。这种物质可以帮助物质粘在一起,形一种混凝土。

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Osmosis-心血管

The high levels of urea irritate the serous pericardium, making it secrete a thick pericardial fluid that's full of fibrin strands and white blood cells.

高浓度尿素刺激浆膜心包,使其分泌富含纤维蛋白和白细胞浓稠渗出液。

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Asap SCIENCE 精选

Inuit bodies have adapted to manage gluconeogenesis by having larger livers and increased volumes of urine to get rid of the extra urea.

因纽特人身体已经适应了通过摄取更肝脏和排出大量尿液来排除尿素,从而管理身体内糖异生现象。

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精选英语短文

The compound ammonia can be toxic when it reaches high enough concentrations, so the mammalian body transforms ammonia into urea in the liver.

复合氨达到足够高浓度时会产生毒性,所以哺乳动物身体会将氨转化为肝脏中尿素

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Crash Course 解剖生理学篇

And while the salt passively draws even more water out of the collecting duct, some urea passively leaves the urine as well.

当盐被动地从收集管中吸收更水时,一些尿素也被动地离开尿液。

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中级英语短文

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

皮脂膜中脂肪酸、尿素、尿酸和乳酸皮肤有着保护和滋润作用。

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PBS趣味科普

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

它们使用一种特殊酶,它们向组织中填装尿素 ——另一种含氮化合物。

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Osmosis-微生物

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

腐生葡萄球菌中脲酶可使尿素分解为二氧化碳和氨气。

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Osmosis-泌尿

In addition, there can be increased tendency for bleeding, since excess urea in the blood makes platelets less likely to stick to each other, and so there's less clot formation.

除此之外,氮质血症还有出血倾向,因为血中过尿素导致血小板不易聚集黏附,血凝块也就减少了。

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Osmosis-心血管

Another cause of pericarditis, called uremic pericarditis, is when blood levels of urea, a nitrogen waste product, get really high usually due to kidney problems.

另一个病因是尿毒症性心包炎,由肾脏疾病引发尿素(血浆含氮代谢产物)水平升高导致。

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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.

虽然尿素具有很好除冰作用,而且通常宠物和儿童来说是安全,但也有一些缺点。

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Crash Course 解剖生理学篇

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

所以肝脏将氨转化为毒性较小化合物,尿素,我们肾脏将其过滤到尿液中。

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Osmosis-泌尿

In chronic kidney disease, just like with urea, less potassium is excreted and more builds up in the blood, and it leads to hyperkalemia, which is worrisome because it can cause cardiac arrhythmias.

在慢性肾病中,和尿素一样,钾排泄减少,更钾在血液中堆积,造高钾血症,该情况十分堪忧,因为高钾血症可能导致心律不齐。

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Crash Course 解剖生理学篇

Once out of the body, urea can degrade back into ammonia, which is why dirty, pee-soaked toilets and cat litter boxes smell like ammonia.

尿素一旦排出体外,就会降解氨,这就是为什么脏、被尿浸透厕所和猫砂盆闻起来像氨原因。

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