基羥基甲氧苯 的英文怎麼說

中文拼音 [qiǎngjiǎyǎngběn]
基羥基甲氧苯 英文
bha
  • : 名詞[化學] (羥基) hydroxyl (group)
  • : Ⅰ名詞1 (天乾的第一位) the first of the ten heavenly stems2 (爬行動物和節肢動物身上的硬殼) she...
  • : 名詞[化學] (氣體元素) oxygen (o)
  1. Determination of butyl hydroxy anisole, dibutyl hydroxy toluene and ethoxyquin in feeds

    飼料中丁茴香醚二丁和乙喹的測定
  2. The methods for synthesizing p - hydroxyl ethyl benzoate catalyzed by sulfuric acid, p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, aluminum chloride hexahydrate, stannic chloride pentahydrate, copper sulfate, titanium sulfate, rare earth metal oxide, sodium bisulfate monohydrate, solid super acid and heteropoly acid and so on are reviewed

    摘要評述了硫酸、對磺酸、氨磺酸、強酸性陽離子交換樹脂、六水合三氯化鐵、六水合三氯化鋁、五水四氯化錫、硫酸銅、硫酸鈦、稀土金屬化物、一水硫酸氫鈉、固體超強酸、雜多酸等催化劑催化合成對酸乙酯的方法。
  3. ( 2 ) an aminobenthiazole schiff base has been synthesized as a new fluorescence carrier by reacting 2 - aminobenthiazole with p - allyoxybenzoldohyde. the new kind of schiff base can be utilized for preparing an optical sensor, used for determining furazolidone based on the fluorescence quenching. aminobenthiazole schiff base immobilized on a glass plate surface by covalent bonding can circumvent the leakage of the fluorephore from the sensor surface and guarantee a relatively long working lifetime

    ( 3 )用強熒光團2 -氨並蒽酮與對烯丙醛合成了另一種新的schiff堿類化合物,與丙烯酸乙酯、丙烯酰胺、環乙二醇二丙烯酸酯共聚制得光極膜,制備了一種並蒽酮schiff堿光化學傳感器,可用於單質碘的測定。
  4. Chemical analysis methods and determination of physical performance of alumina determination of vanadic oxide content - n - benzoyi - n - phenylhydroxylamine extraction photometric method

    化鋁化學分析方法和物理性能測定方法胺萃取光度法測定五化二釩含量
  5. Company in china developing and producing pharmaceutical intermediates and synthetic polypeptides. products include derivatives of pivalic acid, anthrone, and acetophenone, as well as several active pharmaceutical ingredients

    -生產海因溴氯海因3 -胺4 -胺3 -胺。
  6. Through molecular design, a series of liquid crystalline copolyesters, which possibly possessed the auxetic behavior, were prepared by solution condensation reaction between 2, 5 - bis ( p - alkoxy benzoyloxy ) hydrobenzoquinone, 4, 4 ' - ( decanoxy ) dibenzoyl chloride and 4, 4 ' - dihydroxy - oc, co - diphenoxydecane

    經分子設計,通過2 , 5 ?二(對烷)對二酚、 4 , 4 』 ?二? , ?二癸烷和4 , 4 』 ? (癸二酰)二酰氯之間的縮合反應合成了一系列具有負泊松比潛能的液晶共聚酯。
  7. A butylated hydroxyanisole or butylated hydroxytoluene or mixtures thereof within the limits specified in part ii of this schedule may be used in conjunction with propyl gallate or octyl gallate or dodecyl gallate or mixture thereof within the limits specified, provided that the total amount of antioxidant shall not exceed, in the case of anhydrous oils and fats and vitamin oils and concentrates, and partial glycerol esters, 300 parts per million, in the case of butter for manufacturing purposes, 240 parts per million and in the case of essential oils and isolates from the concentrates of essential oils, 1000 parts per million

    A不超逾本附表第ii部所指明分量的經丁化作用的茴香醚或經丁化作用的或其混合物,可與不超逾指明分量的丙?酸鹽或辛?酸鹽或十二烷?酸鹽或其混合物同時使用,但添加於無水食油及脂肪維他命油及其濃縮物及部分丙三醇酯的抗化劑總分量,不得超逾百萬分之300 ,添加於作製造用途的牛油的抗化劑總分量,不得超逾百萬分之240 ,而添加於香精油及香精油濃縮物的分離物的抗化劑總分量,則不得超逾百萬分之1000 。
  8. The catalytic activity of ( hmbp ) 2ticl2was lower than - diketonate titanium catalysts. the catalytic activity of dinuclear - diketonate titanium catalysts was comparative to mononuclear ones. however, the dinuclear - diketonate titanium catalyst showed the synergism effect, for example, the lower catalyst concentration and the molar ratio of al to ti, the activity reached the maximum value at 80, the melting temperature of polymer was enhanced

    2 -酮鈦[ ( hmbp ) _ 2ticl _ 2 ]的催化活性低於-二酮鈦類催化劑;雙核催化劑在催化活性方面與對應單核催化劑相差不多,但在聚合規律上表現出與單核催化劑不同的雙核協同作用,如聚合所需的催化劑濃度、助催化劑烷mao量降低,活性在80時出現極值,熔點提高等,而且雙核催化劑是單活性中心催化劑。
  9. According to the preservatives in food regulations cap. 132bd, permitted antioxidants in specified food include only propyl gallate octyl gallate dodecy gallate, butylated hydroxyanisole, butylated hydroxytoluene and ethoxyquin. tbhq is not specified in the said regulations and it is not a permitted antioxidant in fats and oils in hong kong

    食物內防腐劑規例第132bd章規定,獲準添加於指明食物的抗化劑只限於丙?酸鹽辛?酸鹽十二烷?酸鹽經丁化作用的茴香醚經丁化作用的及乙奎。
  10. Hydroxyquinol triacetate was prepared from p - benzoquinone by 1, 4 - addition reaction with acetic anhydride and then 6, 7 - dihydroxy coumarin was synthesized from it by hydrolyze and cyclization in concentrated sulfuric acid. then 6, 7 - dimethoxy coumarin was synthesized by methylating from 6, 7 - dihydroxy coumarin with an overall yield of 74. 4 %. the procedure was practical. its structure was confirmed by ir and 1hnmr

    醌與乙酸酐經1 , 4 -加成生成1 , 2 , 4 -三酚三乙酸酯,然後與蘋果酸反應經水解、環合反應得6 , 7 -二香豆素,再經化得到6 , 7 -二香豆素,總收率為74 . 4 % ,整個過程反應條件溫和,操作方便,適合工業生產的要求,對產品結構進行了ir和1hnmr表徵。
  11. Three electrosynthesis methods of benzaldehyde and its derivatives are introduced in this paper, i. e., anodic oxidation of propenyl, hydroxyl and methyl of benzene rings, cathodic reduction of carboxyl of benzene rings, anodic substitution of methyl of benzene rings

    摘要本文介紹了醛系列化合物的三種電合成方法:環上丙烯的陽極化,環上羧的陰極還原,環上的陽極取代。
  12. Chemical company located in the garden city of hubei avenue traffic developed, hubei is one of the key enterprises, the main production of medicines, pesticides intermediate, the main product b chloride, chlorine b chloride, phenol de mdma, 2, 3 - amounts jiben formaldehyde, 2, 3 - two chlorobenzene formaldehyde, 3, 5 - two regards formaldehyde, the benyi methadone, the benyisuan

    仙桃市金聯化工有限公司位於交通發達的湖北仙桃,是湖北省重點企業之一,主要生產各種醫藥、農藥中間體,主要產品乙酰氯、氯乙酰氯、對芐酚、 2 , 3 -二醛、 2 , 3 -二氯醛、 3 , 5 -二醛、聯乙酮、聯乙酸。
  13. Discussed conditions and factors of synthesis of the polydimethylsiloxane - phenylsilsesquioxane with pdms and ptms. analyzed the character of the polydimethylsiloxane - phenylsilsesquioxane with ir 、 1h - nmr

    摘要探討了用硅油( pdms )和硅烷( ptms )合成聚二烷梯形倍半硅烷共聚物的反應條件,通過ir 、 1h - nmr確定了目標產物的結構。
  14. Non - ionic surface active agents - polyalkoxylated derivatives - determination of hydroxyl value - phthalic anhydride method

    非離子表面活性劑聚烷化衍生物值的測定鄰酸酐法
  15. Water quality - physical, chemical and biochemical methods - determination of selected phenoxyalkanoic herbicides, including bentazones and hydroxybenzonitriles by gas chromatography and mass spectrometry after solid phase extraction and derivitization

    水質.物理化學和生物化學法.固相萃取和衍生化作用后氣相色譜質譜法測定包括達松和晴在內的選擇性烷類鋤草劑
  16. The novel title compound was synthesized with benzaldehyde, isobutyraldehyde, phosphorus trichloride as raw materials. the total yield was 40. 8 %. the structure was confirmed by 1h nmr, 31p nmr and elemental analysis

    摘要以醛、異丁醛、三氯化磷為原料合成了新型的1 , 3 , 2 -磷雜環類化合物2 -5 , 5 -二4 -2 -代1 , 3 , 2 -二磷雜環己烷,總收率為40 . 8 % ,並對其進行了nmr研究和結構表徵。
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