溴化苯 的英文怎麼說
中文拼音 [xiùhuàběn]
溴化苯
英文
bromobenzene
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溴 :
名詞[化學] (非金屬元素) bromine (br)
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Study on the synthesis and antimicrobial activities of brominated dihydroxy diphenyl ethers
溴代二羥基二
苯醚類
化合物的合成與抑菌活性研究
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A novel catalytic property of hemin is described. in ammonium buffer medium of ph 8. 08. 9, hemin has an ability to catalyze the decoloration of bromopyro - gallol red. oxygen dissolved in solution plays a role as an oxidant in the reaction. with sodium dodecylbenzenesulfonate and ethanol as effect - enhancing agents, the catalytic system obeys the michaelis - menten equation of enzymatic catalysis. the michaelis constant, catalytic constant and specificity constant of the system are estimated by lineweaver - burk plot to be 3. 710
在ph 8 . 08 . 9氨性緩沖介質中, hemin催
化溶解氧氧
化溴鄰
苯三酚紅的褪色反應。在sdbs和30 %乙醇的增效作用下,催
化體系服從michaelis - menten方程。用lineweaver - burk作圖法求得米氏常數催
化常數和專一性常數分別為3 . 710
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Studies on thermochemistry of coordination reaction of p - toluidine with cupric bromide
對甲基
苯胺與
溴化銅配位反應的熱
化學研究
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2 benjia 4 - methyl ketone, 4 - chlorine two benjia methadone, acrylic acid resins, hydrochloric cola organism, 1023 - 1063 nitrogen zhuo methadone, phenyl acetone, reactive copper oxide, chlorobenzene oxygen ethanoic acid, ethyl ammonium chloride de base 3, 4 butadiene styrene brominated ammonium, four butadiene styrene acid hydrogen amines, amino benyi r123 for methadone, a pond amine manufacturing and marketing
甲基二
苯甲酮、 4氯二
苯甲酮、丙烯酸樹脂、鹽酸可樂啶、月桂氮卓酮、
苯基丙酮、活性氧
化銅、對氯
苯氧乙酸、芐基三乙基氯
化銨、四丁基
溴化銨、四丁基硫酸氫胺、二氯對氨基
苯乙酮、因潢胺製造和銷售。
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Bromination substitution reaction of nitro - triphenylether
硝基三
苯醚的
溴化反應
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Polybenzoxazine / vermiculite hybrid nanocomposites were prepared from two kinds of polybenzoxazine precursors and two kinds of organically modified - vermiculite minerals and expanded - vermiculite which were consisted of vermiculite, hydrobiotite and phlogopite. after treatment of vermiculite minerals by hexadecyl trimethylam monium bromide ( ctab ), the d001 of vermiculite layers of vermiculite mineral increased from 1. 43nm to 2. 67nm and developed a d002 = 1. 34nm
本文分析了蛭石精礦和膨脹蛭石的組成和結構,用十六烷基三甲基
溴化銨( ctab )進行了有機
化處理,再通過熔融或溶液混合插層
苯並嗯嗪樹脂( ben )制備了ben插層蛭石納米復合材料,並採用蒙脫土進行了對照實驗。
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Manufacturer of phase transfer catalysts and organic quaternary ammonium compounds, located in india. other products include quaternary phosphonium compounds, pyridinium salts, and methylating and brominating agents
-專業生產氟
化苯甲酸系列醫藥中間體,如對氟
苯甲酸間氟
苯甲酸間
溴苯甲酸2 -氯- 4 -氟
苯甲酸2 -硝基- 4 -氟
苯甲酸3 , 5 -二氟
苯甲酸等。
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Methods for chemical analysis of iron ores - the pyrocatechol violet - cetyl trimethylamine bromide photometric method for the determination of tin content
鐵礦石
化學分析方法鄰
苯二酚紫-
溴化十六烷基三甲胺光度法測定錫量
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Beginning with fluorobenzaldehyde, cyfluthrin was synthesized by bromination, acetalation, etherification, hydrolysis, and esterification, with a total yield of 45 %
以對氟
苯甲醛為起始原料,經過
溴化、縮醛
化、醚
化、水解、酯
化合成氟氯氰菊酯,總收率45 % 。
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Acetylation between alcohol and benzoyl oxide was carried out using znbr2 as a lewis acid catalyst in solvent - free condition. some structures were characterized by nmr and ir
以
溴化鋅為催
化劑,在無溶劑條件下實現了醇與
苯甲酸酐的酰
化反應,部分產物經nmr和ir表徵。
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The results showed that in scco2 cyclotrimerization of terminal acetylenes was carried out smoothly to regioselectively afford the corresponding benzene derivaties using pdbr2 as the catalyst
研究結果表明:二氧
化碳介質中使用
溴化鈀為催
化劑可以順利地催
化炔烴發生環三聚反應,區域選擇性生成含
苯環芳香族
化合物。
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The methods for chemical analysis of zinc and zinc alloys - the determination of tin content - the phenylfluorone - cetyltrimethyla - mmonium bromide spectrophotometric method
鋅及鋅合金
化學分析方法錫量的測定
苯芴酮-
溴化十六烷基三甲胺分光光度法
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Methods for chemical analysis of tungsten ores and molybdenum ores. determination of germanium content. distillation separation - phenyl fluorone cetyltrimethyl - ammonium bromide phtometric method
鎢礦石鉬礦石
化學分析方法蒸餾分離,
溴化十六烷基三甲胺-
苯芴酮光度法測定鍺量
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Methods for chemical analysis of iron, steel and alloy - the anion - exchange separation - bromopyrogallol red photometric method for the determination of tantalum content
鋼鐵及合金
化學分析方法離子交換分離-
溴鄰
苯三酚紅光度法測定鉭量
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Methods for chemical analysis of copper ores lead ores and zinc ores. determination of germanium content. phenylfluorone - cetyltrimethyl ammonium bromide photometric method after carbon tetrachloride extraction
銅礦石鉛礦石和鋅礦石
化學分析方法四氯
化碳萃取分離,
溴化十六烷基三甲胺-
苯芴酮光度法測定鍺量
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Ethyl vanillin was synthesized by the phase - transfer catalysis cteab and o - ethoxyphenol, which was prepared from pyroeatehol with an overall yield of 55. 2 %, and the factors in the reaction, such as phase - transfer catalysis and temperature, were discussed
摘要以鄰
苯二酚為原料,首先合成中間體鄰乙氧基
苯酚,然後以十六烷基三乙基
溴化銨為相轉移催
化劑合成了乙基香蘭素,考察了相轉移催
化劑的選擇及反應溫度,最後收率為55 . 2 % 。
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The methods for chemical analysis of zinc and zinc alloys - the determination of aluminum content - the chromazurol s - polyethylene glycol octyl phenylether - cetylpyridine bromine spectrophotometric method and the chromeazurol s spectrophotometric method and the edta titimetric method
鋅及鋅合金
化學分析方法鋁量的測定鉻天青s -聚乙二醇辛基
苯基醚-
溴化十六烷基吡啶分光光度法cas分光光度法和edta滴定法
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A variety of aldehydes were converted into acylals in good yields with anhydride in the presence of a catalytic amount of zinc bromide under solvent - free conditions
以醛和酸酐為原料,
溴化鋅為催
化劑,無溶劑條件下高產率地合成了偕二酸酯(其中醛與
苯甲酸酐的反應是首次報道) 。
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Dysprosium and dysprosium oxide - determination of tantalum content - para - chloride phenylfluorone - cetyl trimethyl ammonium bromide - ethanol spectrophotometric method
金屬鏑及氧
化鏑
化學分析方法對氯
苯基熒光酮-
溴化十六烷基三甲基胺分光光度法測定鉭量
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Fireclay and high - alumina refractories - determination of magnesium oxide content - xylidyl blue i - ctab photometric method
粘土高鋁質耐火材料化學分析方法二甲苯胺藍i -溴化十六烷基三甲銨光度法測定氧化鎂量