茚三酮反应呈阴性，用酸水解后茚三酮反应和双缩脲反应呈阳性。
Its ninhydrin reaction was negative, but after acid hydrolysis, its ninhydrin reaction and biuret reaction were positive.
丙酰基二茂铁和4-取代氨基脲反应制得8个相应的缩氨基脲1～8，它们均属首次制得。
Propionyl ferrocene reacted with 4-substituted semicarbazides converted into corresponding semicarbazones 1-8, which are not prepared previously.
用双缩脲反应法可以测出发酵鱼粉中水溶性总肽的含量，用凯氏定氮法可以测出被沉淀的多肽的含量，从而可以计算出发酵鱼粉中寡肽的含量。
Total solvable peptide content in the fermented fishmeal was determined by using the biuret method, and polypeptide in the precipitate by using Kjeldahl method.
经五步反应合成得到磺酰脲类除草剂玉嘧磺隆。
Sulfonylurea herbicide Rimsulfuron was synthesized by a five-step reaction.
实验结果表明由异氰酸酯与胺反应形成聚脲囊壁材料是一种快速、有效的包裹石蜡的方法。
All the results indicate that interfacial polymerization between isocyanate and amine to form polyurea wall material is a quick, effective way for capsulation of wax.
介绍了单组分聚脲的概念、反应原理、防水涂膜的物理性能及其在建筑防水工程上的应用。
This article introduces the concept and reaction principle of single component polyurea. It also discusses its physical properties and the application in building waterproofing project.
本文着重介绍了锯末刨花板用价廉物美的淀粉脲醛复合粘合剂制作的反应机理、工艺流程及配方等。
Reaction mechanism, technological process, and formulation of a cheap starch and urea-formaldehyde compound adhesive for saw-dust and shaving boards are mainly described in this paper.
然后，它会继续发生反应，形成聚氨酯链接称为脲的结构(见反应4.13)。
It will then go on to react with the urethane links to form a structure known as an allophanate (see Reaction 4.13).
环氧树脂先与三聚氰胺和脲在一定条件下反应，然后再与甲醛反应。
First, epoxy resin reacts with melamine and urea under certain conditions, and then the product reacts with formaldehyde.
考察了搅拌速度、氯气流量、辅助空气流量、固体联二脲浓度、粒度及反应温度对过程速率的影响。分析了影响过程速率的主要因素。
The effects of stirred velocity, chlorine flow rate, air auxiliary flow rate, solids loading, mean particle diameter and reaction temperature on global process rate are investigated and analyzed.
通过改变加料方式来研究脲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。
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.
方法采用聚合酶链反应技术（PCR）检测沙眼衣原体和解脲支原体的DNA。
Methods DNA of CT and UU was detected with polymerase chain reaction(PCR) technique.
本文以乙磺酰基乙腈和1，1，3，3-四甲氧基丙烷为起始原料，经五步反应合成得到磺酰脲类除草剂玉嘧磺隆。
Sulfonylurea herbicide Rimsulfuron was synthesized by a five-step reaction starting with 2-(ethylsulfonyl)acetonitrile and 1,1,3,3-tetramethoxypropane.
目的观察多西他赛联合顺铂和5 -氟脲嘧啶方案治疗转移性食管癌的近期疗效和毒副反应。
Objective to evaluate the recent efficacy and toxicity of docetaxel combined with cisplatin and 5-fu in the treatment of patients with metastatic esophageal cancer.
用ELISA不能检出型特异性抗体，这种交叉反应可能是由于在解脲支原体中有同源性抗原存在。
Meantime, serovartype-specific antibody could not be detected by ELISA with type-specific antigen, the cross-reaction might be due to the presence of homogeneous antigens among UU species.
三聚氰胺、尿素与甲醛经羟甲基化、醚化反应，生成甲醚化六羟甲基三聚氰胺和甲醚化羟甲基脲复合树脂胶。
Melamine, urea and formaldehyde underwent hydroxymethylation and etherification to yield a composed resin glue of methyl-etherified hexahydroxy methylmelamine and methyl-etherified hydroxymethylurea.
羟基苯磺酸与甲醛及脲的反应产物的铵盐；
Benzenesulfonic acid, hydroxy-, reaction products with formaldehyde and urea, ammonium salts;
方法采用聚合酶链反应（PCR）技术进行淋菌、沙眼衣原体、解脲脲支原体3种常见病原体检测。
METHODS Polymerase chain reaction(PCR) technology was taken to detect out Neisseria gonorrhoeae, Chlamydia trachomatis and Ureaplasma urealytium.
介绍了聚脲-聚氨酯反应喷涂成型技术的基本情况及应用范围。
This paper has reviewed the reaction spray molding (RSM) technology of polyurea - polyurethane and its application scope.
扩链脲的反应活性基本不受分子中聚乙二醇链段分子量的影响。
Results also showed that the molecular weight of PEG flexible spacers in chain-extended ureas basically had no influence on the reactive activity of the ureas.
本研究评估羟基脲对器官功能障碍和有关临床并发症的治疗效果、实验室检查结果及其毒性反应。
We assessed the effect of hydroxycarbamide therapy on organ dysfunction and clinical complications, and examined laboratory findings and toxic effects.
本研究评估羟基脲对器官功能障碍和有关临床并发症的治疗效果、实验室检查结果及其毒性反应。
We assessed the effect of hydroxycarbamide therapy on organ dysfunction and clinical complications, and examined laboratory findings and toxic effects.
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