thiourea的例句大全

Research on thermodynamic criterion of oxidants in gold thiourea leaching

硫脲浸金过程选择氧化剂的热力学判据研究

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Property of aging-resistant in the thiadiazole system is the best when aging temperature is 150 ℃, but it is better in the peroxide system and is the worst in the thiourea system at this time.

热氧老化温度为150℃时，噻二唑硫化体系的耐老化性能最好，过氧化物硫化体系次之，硫脲硫化体系较差；

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Thioureas have been attached great importance because of their special biological activities. A series of novel thiourea derivatives 4a~ 4e and thiosemicarbazide derivatives 5a~ 5e were synthesized by addition reaction of 2-phenyl-1,2,3-triazole-4-formyl isothiocyanate ( 1) with substituted 2-amino benzothiazole and 2-hydrazino benzothiazole respectively.

利用2-苯基-1,2,3-三唑-4-甲酰基异硫氰酸酯与2-氨基取代苯并噻唑和2-肼基取代苯并噻唑的加成反应合成了一系列二取代硫脲和氨基硫脲衍生物。

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This paper introduces in detail the flotation thiourea leaching process for a sort of gold mine.

阐述了采用浮选&硫脲炭浸一步法处理铜硫砷含量高的某难选金矿石的工艺。

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The simultaneous determination of ultra-trace Au 、 Ag 、 Pt and Pd in geological materials by ICP-MS combined with the thiourea resin preconcentration was studied.

研究了硫脲树脂富集，ICP-MS同时测定地质样品中超痕量金、银、铂、钯的方法。

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ORGANIC SYNTHESIS OF CHELATING THIOUREA RESIN AND ITS ADSORPTION PERFORMANCES Basic knowledge of analytical reagents& salts

硫脲盐螯合树脂的合成及其吸附性能

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The conditions of concentrating Pd with thiourea resin TUR and determining with AAS are given.

本文研究了用聚乙烯苄硫脲螯合树脂富集溶液中的微量元素钯和用原子吸收法测定钯的条件。

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Determination of Trace Gold in geology Water by Thiourea Model Resin Preconcentration-Graphite Furnace Atomic Absorption Spectrometry

硫脲型树脂富集-石墨炉原子吸收光谱测定地质水中痕量金

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The thiourea modified crosslinked chitosan resin can be applied to the separation and purification of proteins.

硫脲修饰交联壳聚糖制备工艺简单，吸附容量较大且容易洗脱，可用作蛋白质分离纯化的吸附剂。

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According to the properties of substituted thiourea derivatives, 4 symmetric and 12 unsymmetric thiourea compounds were synthesized by reaction of alkyl amine or substituted aniline with carbon bisulfide or some isothiocyanates.

针对不同活性的取代硫脲，采用脂肪胺或取代苯胺与二硫化碳或不同种类的异硫氰酸酯反应，合成了4种对称的和12种非对称的硫脲衍生物。

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Study on Silver Leaching by Thiourea and Discussion of Micromechanism

硫脲浸出银及其机理的探讨

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A study of bonding and structure property of the complex of au(ⅰ) with thiourea

金&硫脲络合物成键及结构性能的研究

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Experimental study on leaching gold in printed circuit boards scrap with thiourea

从废弃印刷线路板中回收金的试验

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Study on inhibiting system of low carbon steel sulfuric acid thiourea

低碳钢-硫酸-硫脲缓蚀体系的研究

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A Study on Adsorption Performance of Thiourea Chelate Resin on Cu~ ( 2+) Ion

硫脲树脂对Cu~（2+）吸附性能研究

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By using H 2O 2 as the oxidizing agent, thiourea S dioxide is oxidized in water medium into thiourea S trioxide in 93% yield and 98.5% purity. The reactional conditions and some properties of thiourea S trioxide are studied.

以H2O2为氧化剂，在水介质中把二氧化硫脲氧化成三氧化硫脲，收率为93%，纯度为98.5%，并对优化合成条件及三氧化硫脲的性质进行了讨论。

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The results showed that the Thiourea and Sodium acetate anhydrous concentration strongly affects the deposition rate and stability of the solution transformed and the following factors are Sodium hypophosphite, Lactic acid, Lead acetate and Nickel ion concentration in solution subsequently.

实验研究的结果显示，硫脲及无水乙酸钠浓度对转化镀液的沉积速度和稳定性都有显著的影响，影响作用次之的是次亚磷酸钠、乳酸、醋酸铅、镍离子的浓度。

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Used solution recirculated, regeneration efficiency of thiourea is 80-85%.

置后液返回时，硫脲的再生率达80～85%。

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A Review on the Methods of Industrially Producing Thiourea with the Tail Gas Containing Hydrogen Sulfide

用硫化氢尾气生产硫脲的工业方法述评

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Synthesis and Crystal Structure of Layer Type Inclusion Compound of Thiourea with Tetraethylammonium Tartrate and Water

硫尿、L-酒石酸根和水为主体晶格的四乙基铵层状包合物的合成及晶体结构

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