Thiourea相关论文
Colored cotton has naturally pigmented fibers.The mechanism of pigmentation in cotton fiber is not well documented.This ......
测定硫脲分子N-C=S伸缩振动模式(ν_(N-C=S))的红外光谱(IR)。研究发现:在1500 cm-1~1430 cm-1、1450 cm-1~1350 cm-1和1120 cm-1~......
The solubility, metastable zone width (MSZW), and induction time of thiourea for cooling crystallization were experiment......
杂芳基硫醚,尤其是烷基杂芳基硫醚,一般通过强碱性条件下的催化或非催化偶联方法来合成,缺点多,废弃物多.本文报道一种卤代含氮杂......
Zeolites Y, A and mordenite (ZY, ZA and ZM) were obtained from diatomite in a template-free system, and the products wer......
New adsorbent material was obtained by modification of commercial Amberlite XAD7 with thiourea that represents a non-tox......
Many silver (Ag) containing consumer-products (e.g.textiles) release Ag into the environment,posing ecotoxicological ris......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Polymer Supported Synthesis of Multi-substituted Pyrimidine-4-one Derivatives via Pbf-activated Thio
本文通过对荣华二采区10...
The effects of nonelectrolytes(ureas,amino acids,sugars)on the cloud point(CP)of nonionic surfactantTriton X-114(TX-114)......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Asymmetric aza-Henry reaction with α-substituted nitroacetates catalyzed by a bifunctional thiourea-
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Design, Synthesis, Biological Evaluation and SARs of Novel Anthranilic Diamides Derivatives Containi
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
介绍了一种适用于化学镀镍工艺的渗氢测量方法,可用于监控渗氢速度,测定氢在金属中的扩散,研究氢脆,评估腐蚀阻化剂和酸洗中钢铁的......
Several kinds of chloromethyl polysulfones (CMPF) with different chlorinity and reactive groups were synthesized by Frie......
Cyclopropanecarboxylic acid or 2,2-dimethyl cyclopropanecarboxylic acid was used as a leading compound for its biologica......
The electrochemistry behaviors of gold electrode in thiourea solution were studied by using electrochemical techniques, ......
研究了在柠檬酸存在的硫酸介质中,矿石中的铋与硫脲-碘化钾-马钱子碱络合染色,用三氯甲烷在室温及100r/min条件下震荡4min萃取其络......
报道了一个4,6-二甲氧基嘧啶取代的硫脲的分子结构和二维构筑体系.在这个分子中,通过强分子内氢键锁硫脲的3个主要片段促使分子呈......
The title compound Fe(CH4N2S)2Cl2·(2(C11H6N2O) (Mr = 643.35) has been prepared and its crystal structure was determined......
Multiform Host Lattices in the Layer Type Inclusion Compound of Thiourea with Tetrabutylammonium Sal
A new inclusion complex thiourea with tetrabutylammonium salicylate and water,4(C4H9)4N+C7H5O3-.4(NH2)2CS.2H2O, has been......
Organic Reactions in Ionic Liquids: Ionic Liquid-promoted Efficient Synthesis of Disubstituted and T
In ionic liquid [Bmim] [BF4], a series of disubstituted and trisubstituted thiourea derivatives were synthesized from ph......
本文基于硫脲对罗丹明B电化学发光的增敏作用,从而建立起一种测定硫脲的新方法.实验表明:在碱性介质中,罗丹明B在铂电极表面能产生......
1,2-O-Isopropylidene-5-O-p-toluenesulfonyl-α-D-erythro-pentofuranos-3-ulose 1 was treated with thiourea and aminothiour......
The reaction between iodate and thiourea has been studied in an unbuffered acidic medium. In excess iodate the reaction ......
Polymer Supported Synthesis of Multi-substituted Pyrimidine-4-one Derivatives via Pbf-activated Thio
Efficient polymer supported synthesis of multi-substituted pyrimidine-4-one derivatives was described.Target products we......
The effects of nonelectrolytes(ureas,amino acids,sugars)on the cloud point(CP)of nonionic surfactantTriton X-114(TX-114)......
Asymmetric aza-Henry reaction with α-substituted nitroacetates catalyzed by a bifunctional thiourea-
The asymmetric aza-Henry reaction of α-substituted nitroacetates and N-Boc imines was achieved with a new-type thiourea......
锂金属作为下一代储能电池的理想负极材料一直受到极大的关注,然而锂枝晶的不可控生长和负极副反应带来的低库伦效率问题严重限制......
科学技术的进步推动了化学品企业的不断发展,硫脲的产量越来越大,然而生产、运输、存储硫脲都极具危险性,因此其安全管理工作也成......
银纳米簇因有特殊的物理和化学性质,具有广泛的应用前景和研究价值。由于其易发生团聚,探索制备具有强荧光特性、稳定存在、粒径小......
以天然产物甜菊糖的水解产物异斯特维醇为原料,合成了一种新型手性硫脲,产物结构经NMR、HRMS、IR等验证。并考察了它在直接不对称A......
在控制条件下,以CaCN2(0,1.50,2.00,2.50 mol/L)、H2CN2(0,0.12,0.24,0.36,0.48 mol/L)、硫脲(0,0.13,0.26,0.39,0.53 mol/L)处理......
利用悬浮分散以及化学交联技术制备磁性壳聚糖微球,并经硫脲改性（SMCS）,用于吸附水溶液中Hg^2＋。用光学显微图、红外、热重分析等对微......
利用微量量热仪测定体系热功率随时间的改变。对于SC（NH2）2-H2O2-Cu^2＋-OH^-封闭体系，测定了不同浓度，不同温度下，体系的单峰振荡行为，得......
通过使用CMB-4510A缓蚀剂快速评定仪研究了曼尼希碱、硫脲、钨酸钠三种缓蚀剂单独使用及以曼尼希碱为主的二元复配体系对10#碳钢在......
以聚乙烯醇（PVA）为基体材料,用硫脲和戊二醛的交联产物与PVA共混,将共混物滴入到凝固浴中制备出球状共混树脂。对共混树脂制备过程中......
在有盐酸存在的情况下，利用邻氨基苯甲醇和硫脲反应合成2-亚氨基-四氢-3，1-苯并噻嗪，并对反应机理进行了分析．此外，利用傅立叶红外光谱......
在铜钼铅锌共生矿溶液中，用抗坏血酸代替硫脲作还原剂，用盐酸代替硫酸，可克服溶液混浊，提高显色液的稳定性，其测定结果准确。......
采用HNO3-HClO4湿消化的EDTA减量滴定法测定饲料中的微量铜。即样品用HNO3-HClO4湿消化后，先在pH值5-6时，以二甲酚橙为指示剂，用EDTA......
通过红外光谱、饱和容量法和斜率法等方法研究季铵盐萃取硫脲的机理.结果表明,硫脲以中性分子形式被季铵盐萃取,萃取机理为中性缔......
碱性硫脲浸金需要用氧化剂来调节溶液的氧化电势,氧化剂的氧化电势既要大于金溶解形成Au[CS(NH2)2]2+的电势(0.38 V),由于电势太高......
进行铁矾渣热硫酸分解和分解渣硫脲法提银的试验研究,考察硫酸用量、分解温度、反应时间、液固比对铁矾渣中Fe、Zn、Ag浸出率的影......
研究了硫脲对蘑菇酪氨酸酶活力的抑制效应。实验结果表明,硫脲与酪氨酸酶催化氧化产物醌反应,形成了无色的L-DOPA衍生物,从而阻断......
针对辽宁某地区浮选金精矿采用硫脲碳浆工艺进行研究，并对各种影响因素进行了实验，提出了硫脲碳浆法处理浮选金精矿提金的工艺方案。......
在无水氯化镁、三乙胺存在下,丁酰氯与丙二酸单乙酯钾盐经缩合、酸解得到丁酰乙酸乙酯;然后与硫脲经脱水、缩合成环后得到6-丙基-2......
本实验是在近中性介质中，以硫脲为配位剂测定岩矿中银的新方法。样品用盐酸、王水、氢氟酸、高氯酸溶解，蒸干后加硫脲配位剂，使用乙炔......
以齐墩果酸为先导化合物,设计并合成了6个新型齐墩果酸硫脲类衍生物,化合物的结构经1H NMR确认.利用计算机辅助药物设计方法,对目......
