氨基氰 的英文怎麼說
中文拼音 [ānjī]
氨基氰
英文
cyanamide-
The synthesis process of acetimidoyl ethyl ether hydrochloride was introduced, and the preparations of acetamide, ethyl acetate, acetamidine hydrochloride, triethyl orthoacetate, n - cyan - iminoester hydrochloride and hydrazone by acetimidoyl ethyl ether hydrochloride were summarized
摘要介紹了亞氨基乙醚鹽酸鹽的合成工藝,總結了亞氨基乙醚鹽酸鹽制備乙酰胺、乙酸乙酯、鹽酸乙脒、原乙酸三乙酯、 n -氰基乙亞氨酸乙酯以及腙類化合物的合成方法。Furbenicillin sodium, a known semi - synthetic ureide type of antibiotic firstly marketed in china, was synthesized from starting material 2 - furaldehyde via six steps including oximation reaction, beckmann rearrangement, isocyannuration, amination, condensation and salification etc
摘要以呋喃甲醛為起始原料,經厲化、貝克曼重排、異氰脲酸化、氨基化、縮合和成鹽6步反應,合成了酰脲類青霉素抗生素呋布西林鈉。The technologies for producing iminodiacetic acid, e. g. chloroacetic acid - glycine method, chloroacetic acid ammoniation, ammonium triacetate, direct synthesis based on hydrocyanic acid, diethanolamine dehydrogenation and ethanolamine methods are introduced
摘要綜述了亞氨基二乙酸的生產方法,包括氯乙酸甘氨酸法、氨代氯乙酸法、氮川三乙酸法、氫氰酸直接合成法、二乙醇胺脫氫法和單乙醇胺法。Water quality. determination of asymmetrical dimethyl hydrazine. amino ferrocyanide sodium spectrophotometric method
水質偏二甲基肼的測定氨基亞鐵氰化鈉分光光度法The hydrazinecarbothioamide was prepared from hydrocyanic acid, hydrazine hydrate, and sulphur. the total yield is over 80 %
摘要介紹了以氫氰酸、水合肼、硫磺為主要原米制備氨基硫脲的工藝過程,探討了合成工藝條件,反應總收率在80 %以上。Test method for isocyanate groups in urethane materials or prepolymers
氨基甲酸乙酯材料或預聚物中異氰酸酯基團的試驗方法Standard test method for polyurethane raw materials : determination of apha color in isocyanates
聚氨基甲酸乙酯原材料的標準試驗方法:異氰酸酯apha顏色的測定When chlorotrimethylsilane is added to ( 2 - amino - primidin - 5 - yl ) - methanol derivatives, the methylation would be found. it is a strange reaction which is first reported
氨基5 -羥甲基嘧啶衍生物用三甲基氯硅烷在乙氰溶劑中迴流會發生醇的甲基化反應,該現象尚屬首次發現。The first group is polyurethane prepolumer which is made from polyether resin and diisocyanate etc after polymerization ; the second group is made by mixing up cross linker, accelerator, softener, densifier, mold preventive and stuffing etc
甲組分別是以聚醚樹脂和二異氰酸脂等為原料,經聚合反應製成的含端異氰酸脂基的聚氨基甲酸脂預聚物;乙組分別由交聯劑、促進劑、增韌劑、增黏劑、防霉劑和填充劑等混合加工而成。The synthesis technology of various liquid rubbers with different active group terminated, such as hydroxyl - terminated, carboxyl - terminated, isocyanate - terminated, ami - no - terminated, mercaptan - terminated and various main chains like polybutadiene, polyurethane, polystyrene were reviewed with 23 references
摘要綜述了端羥基、端羧基、端異氰酸酯基、端氨基、端巰基等活性端基,以及聚丁二烯、聚氨酯、聚苯乙烯等不同主鏈結構的液體橡膠的合成技術。Pu is a polymer with urethane segment repetitive structure unit formed after the reaction of tdi and ppg
摘要聚氨酯是由異氰酸酯與多元醇反應製成的一種具有氨基甲酸酯鏈段重復結構單元的聚合物。Mass spectrometry technique will play more and more role in the field of sequence analysis. standard amino acid thiohydantoins are required as reference standard for development of c - terminal protein sequencing based on the thiohydantoin procedure
在蛋白質c端(異)硫氰酸法順序測定技術中,標準氨基酸乙內酰硫脲( th - aa )的制備是必須首先要解決的問題。Nonpolar filler are used in reversed phase chromatographic system, of which, octadecylsilane chemically bonded silica is most commonly used, sometimes, octyl chemically bonded silica and other types of chemically bonded silica ( such as cyano chemically bonded phase and amino chemically bonded phase, etc ) are also used as well
反相色譜系統使用非極性填充劑,以十八烷基硅烷鍵合硅膠最為常用,辛基硅烷鍵合硅膠和其他類型的硅烷鍵合硅膠(如氰基硅烷鍵合相和氨基硅烷鍵合相等)也有使用。Plastics. basic materials for polyurethanes. determination of total chloride in pure and raw isocyanates
塑料製品.聚氨基甲酸乙酯基料.純異氰酸鹽和原異氰酸鹽中總氯含量的測定Code of practice for thermal insulation of roofs externally by means of sprayed rigid polyurethane or polyisocyanurate foam
採用噴塗剛性聚氨基甲酸乙酯和聚異三聚氰脲酸酯泡沫對屋頂外部進行隔熱的實用規程The synthesis and current application situations of efficient series of water - reducers, such as melamines, aliphatics, aminosul - phonic acids and polycarboxylates were introduced emphatically
並著重介紹三聚氰胺系、脂肪族、氨基磺酸系和聚羧酸系等幾類高效減水劑的合成及應用現狀。Ea - 7504j is a type of amino molding compound modified by phenol, which is added fiberglass as reinforcement. it is suitable for injection process with good performance, and also for transfer or compression process
本產品是以苯酚改性的三聚氰胺-甲醛樹脂為基體樹脂,以有機纖維增強的改性氨基模塑料,適宜於注塑成型,工藝性能良好同時適用於傳遞模塑成型或壓製成型。Ea - 7502j is a type of amino molding compound modified by phenol, which is added fiberglass as reinforcement. it is suitable for injection process with good performance, and also for transfer or compression process
本產品是以苯酚改性的三聚氰胺-甲醛樹脂為基體樹脂,以有機纖維增強的改性氨基模塑料,適宜於注塑成型,工藝性能良好同時適用於傳遞模塑成型或壓製成型。The synthesizing process can be finished in a single kettle. not only technology is very simple, but also the reaction time is shortened, therefore, the production efficiency is obviously increased. the general performances of modified melamine resin superplasticizer jd can be furthermore improved by compounding amino - arylsulphonate phenol formaldehyde condensate superplasticizer hpp
使用廉價的活性單體尿素取代三聚氰胺單體以降低高效減水劑的生產成本,並將取代量提高到了目前最高水平17 ;合成在一個反應釜中完成,工藝簡單,反應時間縮短,提高了生產效率;本文通過物理改性的手段,即復配氨基磺酸鹽高效減水劑hpp ,可進一步改善改性密胺樹脂高效減水劑的綜合性能。Tdi standard test method for unreacted toluene diisocyanates in urethane prepolymers and coatings solution by gas chromatography
氣相色譜法測定氨基甲酸酯預聚物和塗料溶液中未反應的甲苯二異氰酸酯分享友人