羥甲苯酸 的英文怎麼說

中文拼音 [qiǎngjiǎběnsuān]
羥甲苯酸 英文
hydroxytoluic acid
  • 羥 : 名詞[化學] （羥基） hydroxyl （group）
  • 甲 : 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...
  • 酸 : 酸構詞成分。
  • 甲苯 : [化學] methylbenzene; toluene
  1. Synthesis of butyl p - hydroxy benzoate under microwave irradiation

    對羥基苯甲酸丁酯的微波輻射合成法研究
  2. Benzoic acid or methyl para - hydroxybenzoate or

    對羥基苯甲酸乙酯或
  3. 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、對甲苯磺酸、氨基磺酸、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、稀土金屬氧化物、一水硫酸氫鈉、固體超強酸、雜多酸等催化劑催化合成對羥基苯甲酸乙酯的方法。
  4. Boracic modified penolic resin with boracic acid and hydroxymethyl phenol was manufactured after hydroxymethyl phenol was created with in a special way

    摘要通過在一定條件下，先將苯酚、甲醛製成羥甲基酚，然後改變條件與硼酸共聚，制得具有合成穩定和較好耐熱性的硼改性酚醛共聚樹脂。
  5. A mixture of catechin and epicatechin, procyanidin b4, 4 - hydroxy - benzoic acid and ethyl gal - late were purified and identified from grape seed procyanidin extract

    得到2種原花青素的單體： （ + ） -兒茶素和（ - ） -表兒茶素； 1種原花青素二聚體b4 ； 2種其他酚類物質：對羥基苯甲酸及沒食子酸乙酯。
  6. Methyl para - hydroxybenzoate or ethyl pare - hydroxybenzoate or

    對羥基苯甲酸乙酯或
  7. Ethyl para - hydroxybenzoate or propyl para - hydroxybenzoate or

    對羥基苯甲酸丙酯或
  8. Methyl para - hydroxybenzoate or ethyl para - hydroxybenzoate or

    對羥基苯甲酸甲酯或
  9. Synthesis of - naphthyl ethyl ether catalyzed by copper chloride with microwave irradiation solvent - free system

    2催化合成對羥基苯甲酸正丁酯
  10. Food additive propyl p - hydroxybenzoate

    食品添加劑對羥基苯甲酸丙酯
  11. Synthesis of n - butyl p - hydroxy benzoate catalyzed by amino sulfonic acid

    氨基磺酸催化合成對羥基苯甲酸正丁酯
  12. Its headquarter is located at xinkailu no. 8, xuanhua district of zhangjiakou city. its main products include ziyun brand civil explosive products series : powdery ammonium nitrate explosive emulsion explosive industrial fuse ; ziyun brand fine chemical products series : glyoxalic acid 5 - 4 - hydroxyphenyl hydantoin p - hydroxyphenylacetic acid p - hydroxyphenylacetamide allantoin daidzein bufexamac ; aaa brand fine chemical products series : ethylamine methanol trimethylacetic acid tert - valeryl chloride ; great wall brand agricultural chemical fertilizer products series : ammonia urea ammonium bicarbonate ; chenguang brand calium carbide chenguang brand acetylene carbon black xuguang brand dissolved acetylene ; and the others as sulphur ammoina liquor oxygen nitrogen, etc.

    公司現有主要產品為，紫雲牌民爆產品系列：粉狀硝銨炸藥乳化炸藥工業導火索紫雲牌精細化工產品系列：乙醛酸對羥基苯海因對羥基苯乙酸對羥基苯乙酰胺尿囊素大豆甙元丁苯羥酸三a牌精細化工產品系列：乙基胺甲醇特戊酸特戊酰氯長城牌農化產品系列：合成氨尿素碳銨晨光牌電石，乙炔炭黑旭光牌溶解乙炔。
  13. Fine chemical producer in china. products are mostly cyanobenzyl derivatives, used as intermediates for fluorescent bleaching agents, dyes, pharmaceuticals, and agrochemicals

    -主要生產三氯新，間羥基苯甲酸，鄰氯氯芐等醫藥農藥中間體及抗菌添加劑的單位。
  14. 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羥基茴香醚或經丁化作用的羥基甲苯或其混合物，可與不超逾指明分量的丙基?酸鹽或辛基?酸鹽或十二烷基?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氧化劑總分量，不得超逾百萬分之300 ，添加於作製造用途的牛油的抗氧化劑總分量，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氧化劑總分量，則不得超逾百萬分之1000 。
  15. Selective catalytic oxidation of mixed xylene by hydroxamic acid cobalt complex co

    羥胺酸鈷配合物催化混合二甲苯的選擇性氧化
  16. Method for the determination of benzoic acid, sorbic acid and p - hydroxybenzoates in royal jelly - liquid chromatographic method

    蜂王漿中苯甲酸山梨酸對羥基苯甲酸酯類檢驗方法.液相色譜法
  17. New synthesis method of n - heptyl - p - hydroxybenzoate by the complex acid catalysis

    混合酸催化合成對羥基苯甲酸庚酯的新方法
  18. Especially, when - bi together with a little carbon black ( cb ) or copper salt is used, the catalytic effect is better ; the flame structures of the double - base propellants containing - bi are similar to the typical plateau double - base propellant, but the combustion temperature distribution has been changed because of adding the - bi ; and the active components of catalysts deposit on the burning surface of propellants and the quenched surfaces of propellants with various catalysts possess different structure

    它與銅鹽和少量炭黑（ cb ）復合后，催化效果更優； 2 ， 4 -二羥基苯甲酸鉍加入后，推進劑的火焰結構保持了典型平臺雙基推進劑的結構特徵，但改變了雙基推進劑燃燒波溫度分佈，炭黑和銅鹽的加入對2 ， 4 -二羥基苯甲酸鉍的催化作用有很大影響；催化劑分解的活性組分富集在燃燒表面，不同催化劑使推進劑熄火表面形成不同的結構。
  19. It was confirmed that the key enzyme of coq10 synthesis is p - hydroxybenzoate polyprenyltransferase, encoded by gene ubia in e. coli and lacks specificity to the aggregation length of its substrate ( polyisoprenyl pyrophosphate ). if gene ubia can be introduced into psb and is high expression in psb, a recombinant strain producing coq10 could be obtained. consequently, the productive cost will decrease sharply

    業已證實coq _ （ 10 ）生物合成的關鍵酶為對羥基苯甲酸聚異戊二烯焦磷酸轉移酶（在大腸桿菌中該酶由ubia基因編碼） ，該類酶對底物聚異戊二烯焦磷酸（ ppp ）的聚合長度並無特殊要求。
  20. 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氧化劑只限於丙基?酸鹽辛基?酸鹽十二烷基?酸鹽經丁化作用的羥基茴香醚經丁化作用的羥基甲苯及乙氧基奎。
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