urea

Synthesis and biological activity of N-[5-(3-pyridyl)-1,3,4-thiadiazol-2-yl]-N′-(substituted phenyl)ureas;N-[5-(3-吡啶基)-1,3,4-噻二唑-2-基]-N′-取代苯基脲的合成及生物活性M9Y汉语字典

Synthesis of Urea and Thiourea Derivatives Bearing Mercaptotetrazole;含巯基四唑环的芳基(硫)脲及其衍生物的合成M9Y汉语字典

Synthesis and biological activity of N-{5-[1-(o-chlorophenoxy)ethyl]1,3,4-thiadiazol-2-yl}-N'-(substituted phenyl)ureas;N-{5-[1-(邻氯苯氧)乙基]-1,3,4-噻二唑-2-基}-N’-取代苯基脲的合成及生物活性M9Y汉语字典

Study on the rheological behavior of cellulose/NaOH-urea-thiourea solution system;纤维素/NaOH-尿素-硫脲溶液体系流变性能的研究M9Y汉语字典

The Impact of Leaching Gold of Thiourea about Time,C_(H_2SO_4) and C_(Fe~(3+));浸出时间、H_2SO_4和Fe~(3+)浓度对硫脲浸金的影响M9Y汉语字典

Studies on the Weak Interaction and Supramolecular Structure in the Crystal of N-Ethoxycarbonyl-N'-Arylthiourea;N-乙氧羰基-N'-取代芳基硫脲晶体中的弱相互作用及超分子结构研究M9Y汉语字典

Synthesis of glycoluril and its application in hydrophilic coatings;甘脲的合成及其在水性涂料中的应用M9Y汉语字典

The synthesis of some new substituted glycolurils;合成瓜环的中间体—新型甘脲的合成M9Y汉语字典

Preparation and properties of Fe_3O_4 polyurea microcapsules;Fe_3O_4聚脲微胶囊的制备及性能M9Y汉语字典

Study on the Synthesis and Characterization of Aromatic/Aliphatic Co-polyureas;芳香/脂肪族聚脲的合成与表征M9Y汉语字典

Preparation of polyamide-polyurea macrocapsule and its release behaviour;聚酰胺-聚脲大胶囊的制备及其缓释性能的研究M9Y汉语字典

Distribution characteristic of urease activity in subsurface constructed wetlands;潜流型人工湿地的脲酶活性分布特性M9Y汉语字典

Effects of several elements on urease activity in Liaodong bay wetland;几种元素污染对辽东湾湿地脲酶活性的影响M9Y汉语字典

Effects of soil Pb pollution on growth of Brassica chinensis and Ipomoea aquatica and urease activities.;土壤铅污染对青菜和蕹菜生长及脲酶活性的影响M9Y汉语字典

Study on extraction of gold from tinylimonite ore containing small amount of gold by using thiocarbamide as extractant;贫细微含金褐铁矿石硫脲法浸金研究M9Y汉语字典

Eight novel N,N′-naphthalene acyl substituted aromatic acylamino thiocarbamides(Ⅱ1~Ⅱ8) were synthesized from aryl acylhydrazine(Ⅰ) and α-naphthalene acyl isothiocyanate, which was obtained by the reaction of potassium thiocyanate with α-naphthalene acyl chloride obtained from 2-naphthylacetic acid and thionyl chloride in anhydrous benzene.通过α-萘乙酸和SOCl2在无水苯中反应制得α-萘乙酰氯,与硫氰酸钾反应生成α-萘乙酰基异硫氰酸酯,再与芳基酰肼进行加成反应,合成8种新型N,N′-萘乙酰基取代芳乙酰胺基硫脲类化合物(Ⅱ1～Ⅱ8)。M9Y汉语字典

A novel compound——N-naphthalene acylN′-substituted p-chlorobenzamido thiocarbamide was synthesized by reaction of p-chlorobenzamido hydrazine and α-naphthalene acyl mustard oil,which was obtained by potassium thiocyanate combined with α-naphthalene acyl chloride formed from α-naphthylacetic acid and SOCl2 in anhydrous benzene.通过α-萘乙酸和SOCl2在无水苯中反应制得α-萘乙酰氯,然后与硫氰酸钾反应生成α-萘乙酰基异硫氰酸酯,再与对氯苯甲酰肼进行加成反应,合成了新型化合物N-萘乙酰基-N′-对氯苯甲酰氨基硫脲,用薄层色谱法跟踪最后一步反应,确定了反应时间。M9Y汉语字典

Comparative Analysis on Clinical Significance and Serover-Specific Identification of Ureaplasma Urealyticum on the Basis of DNA Sequence of N Terminal of MBA;利用解脲脲原体MBA基因对解脲脲原体分型并比较分析其临床意义M9Y汉语字典

bis-methoxymethyl urea双甲氧甲基脲,双甲醚[基] 脲(防皱缩理剂)M9Y汉语字典

Green Synthesis and Study of the Aroylthioureas and Thioacylsemicarbazides;酰基硫脲、酰氨基硫脲的绿色合成研究M9Y汉语字典

Analysis on Antibiotic Resistance of Urerplasma urealyticum in 207 Patients with Urethritis207例尿道炎患者解脲脲原体(yào)敏分析M9Y汉语字典

water soluble urea resin coating水溶性脲醛树脂涂料M9Y汉语字典

uramildiacetic acid 2-氨基丙二酰脲二乙酸M9Y汉语字典

dinitrobenzoylene urea二硝基邻苯甲酰亚脲M9Y汉语字典

hylol ethylene urea resin二羟甲基乙烯脲树脂M9Y汉语字典

Chemical reagent-UreaGB/T696-1994化学试剂脲(尿素)M9Y汉语字典

urea melamine formaldehyde resin三聚氰胺脲甲醛树脂M9Y汉语字典

methylated methylol urea resin甲醚化羟甲基脲树脂M9Y汉语字典

dimethylol hydroxy propylene urea二羟甲基羟基丙撑脲M9Y汉语字典

DMDHEU (dimethylol dihydroxy-ethylene urea)二羟甲基二羟基乙撑脲M9Y汉语字典

ether-type dimethylol urea醚型二羟甲基脲，醚化二羟甲基脲（防皱整理剂）M9Y汉语字典

The Relationship between Ureaplasma Urealyticum Infection in the Genital Tract and Semen Quality;生殖道溶脲脲原体感染与精液质量关系的研究M9Y汉语字典

Synthesis of Unsymmetrical Ureas and Semicarbazides under Microwave Irradiation;微波辐射下不对称脲、氨基脲的合成研究M9Y汉语字典

Studies on pyridylureas and cyclic ureas by the selenium-catalyzed carbonylation;硒催化羰基化合成吡啶脲及环脲的研究M9Y汉语字典

Green Synthesis and Study of the Aroyl Urea and Thiourea;芳酰基脲及硫脲类化合物的绿色合成与研究M9Y汉语字典