urea

urea oxalate dihydrate

二水合草酸脲

Methane phosphonic acid, salt of guanyl urea;

名称 甲烷膦酸的脒基脲盐;

Urea, polymer with ammonium chloride , cyanoguanidine and formaldehyde;

名称 脲与氯化铵;氰基胍和甲醛的聚合;

Im : Urea, Hexamine, Pentaerythritol, Titanium Dioxide, Rutile, T.M.P.(Tri Methyol Propane

进口:尿素,四氮六甲团,季戊四醇,二氧化钛,金红石,

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

由此表明了在生成RDX酮的反过程，硝基脲上比脲更为合适的反形式。

Urea solution with the addition of formaldehyde can be used to produce larger urea prills, the strength of the product prills is improved, and dust is reduced;

尿素溶液加入甲醛,可用于大颗粒尿素的生产,同时可提高成品颗粒强度,降低粉尘,这是目前尿素企业生产控制的一种措施,甲醛在尿素成品转化为亚甲基二脲。

The biruet can develop the color with the cupric sulfate in the alkaline solution, we call that the biruet reaction.Malonyl urea has acidity, so we call it barbituric acid.

巴比妥酸本身无镇静催眠作用，当它的五位亚甲基上的两个氢被烃基取代后才呈现镇静催眠的生理活性，是一类神经系统起抑制作用的化合。

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。

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.

以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%。

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

由于各种原因未代森锰锌的代谢乙撑硫脲（ETU）进行检测。

Bromacil was synthesized using 2-bromobutane and urea as the starting materials in three steps including condensation,cyclization and bromination with total yield of 61%.

以2-溴丁烷和尿素作为起始原料,经缩合、环化、溴代三步反得到除草定,总收率为61%。

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,方酸与脲及其衍生顺利发生脱水缩合,合成了一类方酸单酰胺化合——氨甲酰类氮氧方酸3。

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制备填充复鞣剂CDF的方法及其性能与用。

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,并与国家标准方法三糖铁琼脂进行了比试验。

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脲或硝基脲在硝化剂与乌洛托品硝解碎片进行缩合反的形式。

This paper has studied the phthalocyanin complex of Cobalt synthesized by benzene bitter wine-urea law,and after depuration,an infrared, ultra-violet spectrograph determination is carried.

文章主要研究了苯酐-尿素法合成酞菁钴、经提纯并其进行红外、紫外光谱测定、合成及表征结果表明,红外光谱表征推测结构可靠,紫外光谱分析表明有特征吸收峰之处。

The new receptors are compared with preiously reported urea-based receptors targeting the glutamic acid residue and receptors targeting the pteridine substructure of folic acid.

新受体可与先前报道的以谷氨酸为靶向的尿基受体和以合成叶酸的喋啶为靶向的受体相比。

And two new segmented poly(urethaneureas) were prepared from poly(tetramethylene glycol)(PTMG) or polyadipate of 1,4 butanediol(PBA), MDI and Urea(as chain extender).

以尿素为扩链剂，合成了一系列聚氨酯脲热塑性弹性体及其硬段模型化合。

This thesis mainly introduced that ureas and semicarbazides were synthesized by oxidation of corresponding thioureas and thiosemicarbazides using 30% peroxide as oxidant.

本文主要介绍了以30%浓度的双氧水作为氧化剂氧化硫脲、氨基硫脲来制备相的脲和氨基脲类化合。