本法使用硫代氨基脲-抗坏血酸作为还原剂，将砷还原同时将铜沉淀分离。
Using a mixed solution of thiosemicarbazide and ascorbic acid as reducing agent, arsenic is reduced and separated from precipitated copper.
研究了PP(聚丙烯)二苯氨基脲树脂的合成及其分离富集样品中银的条件。
The conditions for synthesis of PP (polypropylene) -diphenylcarbazide resin and separation and preconcentration of silver in geological samples have been studied.
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.
进一步根据药物设计的开环原理，用氨基脲片段替代氨基杂环，得到新型的氨基脲类抑制剂。
Furthermore, according to the ring-open principle, semicarbazide moiety was used to replace amino heterocycle to get semicarbazide derivatives.
在微波辐射条件下，以水合肼、尿素和苯甲醛为原料，采用一釜两步法合成了苯甲醛缩氨基脲。
The experimental results showed that microwave irradiation could enhance the yield of benzaldehyde semicarbazone.
本文提出以盐酸氨基脲作释放剂，选择性螯合滴定法测定铅铊合金、铊化物和硫酸铊中的铊含量。
The thallium content in Al Tl alloys, thallides and thallium sulfate are selectively determined by chelatometry with aminourea hydrochloride used as the reasling agent.
提出以次氯酸钠-芦丁-盐酸氨基脲化学发光新体系，结合流动注射技术建立了测定芦丁的化学发光新方法。
A new chemiluminescence method for the determination of rutin by sodium hypochlorite rutin semicarbazide hydrochloride system with flow injection technique has been investigated.
成份：去离子水、甘油、烷基醇硫酸钠、单甘酯、脂肪醇、海藻提取物、氨基酸表面活性剂、烷基咪唑脲等。
Ingredients: Deionized water, glycerin, sodium alkyl sulfate, GMS, fatty alcohol, alga extract, amino acid surfactant, imidazolidinyl urea, essence, etc.
主要成份：去离子水、甘油、烷基醇硫酸钠、单甘酯、脂肪醇、桑树提取液、氨基酸表面活性剂、烷基咪唑脲、香精等。
Ingredients: Deionized water, glycerin, sodium alkyl sulfate, GMS, fatty alcohol, mulberry extract, amino acid surfactant, imidazolidinyl urea, essence, etc.
已知乙酰乳酸合酶特定氨基酸突变可以提高对抑制乙酰乳酸合酶类除草剂的抗性，如碘酰脲类和嘧啶羧酸类除草剂。
Mutations of specific amino acids in ALS have been known to confer resistance to ALS-inhibiting herbicides such as sulfonylureas and pyrimidinyl carboxy (PC) herbicides.
方法采用美国标准化委员会的标准化文件EP10 T2 ，选择具有代表性的丙氨酸氨基转移酶（ALT）、血清总蛋白（TP） ，采用酶法测定ALT ，双缩脲法测定TP。
Method U. S Standardization Com mission's standard file EP10-T2 was used to select representative ALT and TP. AL T was determined with the enzyme reaction, TP was determined with biuret reaction .
主要成份：去离子水、甘油、烷基醇硫酸钠、单甘酯、脂肪醇、积雪草提取物、桑树提取液、氨基酸表面活性剂、烷基咪唑脲、香精等。
Ingredients: Deionized water, glycerin, sodium alkyl sulfate, GMS, fatty alcohol, Asiatic centella extract, mulberry extract, amino acid surfactant, imidazolidinyl urea, essence, etc.
以MDI、 液化MDI、 聚醚多元醇、端氨基聚醚及肢类扩链剂等为原料，研制了一种喷涂型耐磨聚脲弹性体SPUA-102。
Wear - resistance spray polyurea elastomer SPUA-102 was prepared from MDI, liquified MDI, polyether polyol, polyether polyamine and polyamine chain-extender.
本发明提供一种包含着色剂、EDTA、1，1，3，3-四甲基脲、二硫代氨基甲酸钠、异丙醇和硼砂的喷墨打印机墨水。
The present invention provides a kind ink for ink jet printer and containing coloring agent, EDTA, 1, 1, 3, 3-tetramethyl urea, sodium dithiaamino formate, isopropanol and borax.
采用氨基丁酸酯法合成了可用于喷涂聚脲弹性体的高活性端氨基聚醚。
Some novel polyoxyalkyleneamine with specific structure and high reaction activity used in sprayed polyurea elastomer have been synthesized.
基于免疫竞争胶体金免疫层析原理，研制了检测食用肉中呋喃妥因代谢物1-氨基乙内酰脲（AHD）的免疫试纸条。
A method of colloidal gold immunochromatographic assay for the determination of 1-aminohydantoin(AHD) in pork was established based on competition principle.
本文综述了2-氯-4-氨基吡啶的制备方法，并介绍了2-氯-4-氨基吡啶在调吡脲等杂环化合物合成方面的应用。
Several synthesis methods for the preparation of 2-chloro-4-aminopyridine were summarized in the article. The applications of 2-chloro-4-aminopyridine in heterocyclic synthesis were introduced.
采用氨基丁酸酯法合成了可用于喷涂聚脲弹性体的高活性端氨基聚醚。
Synthesis and characterization of poly(organophosphazenes)with amino acid ester and methoxyethoxyethoxy side groups;
采用氨基丁酸酯法合成了可用于喷涂聚脲弹性体的高活性端氨基聚醚。
Synthesis and characterization of poly(organophosphazenes)with amino acid ester and methoxyethoxyethoxy side groups;
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