羥基甲苯甲酸 的英文怎麼說
中文拼音 [qiǎngjījiǎběnjiǎsuān]
羥基甲苯甲酸
英文
vesotinic acid-
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Benzoic acid or methyl para - hydroxybenzoate or
對羥基苯甲酸乙酯或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。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。The present work indicates the organic nf membranes and the inorganic nf membranes all have shortages, so develop composite nf membranes that have low cost, mechanically strong and thermally / chemically - resistant, easy to cleanout and good performances is a very important task. in this paper, the preparation of inorganic - organic composite nf membranes were presented. this composite comprise a porous sio2 / al2o3 support substrate, the pore diameters of which ranging from 10 to 15 nm, this inorganic support substrate having a polymer membrane which comprises an polyvinyl alcohol ( pva ) or polyamide ( pa ) densely deposited on at least one of the face surfaces thereof, the structural porosity of such pva and pa membrane ranging from 3 to 5 nm
本論文以開發無機?有機復合納濾膜為出發點,首先在al _ 2o _ 3多孔微濾膜上利用溶膠?凝膠法制備sio _ 2 al _ 2o _ 3無機復合超濾膜作為無機?有機復合納濾膜的基膜;選用聚乙烯醇和聚酰胺為表面功能層材料,分別探討了以羥基丁二酸和磺基水楊酸為混合交聯劑,採用浸塗法制備了聚乙烯醇sio _ 2 ? al _ 2o _ 3復合納濾膜;以均苯二甲酰氯、哌嗪和二胺為單體,採用界面聚合法制備了聚酰胺sio _ 2 ? al _ 2o _ 3復合納濾膜,並對影響膜性能的諸多因素進行系統研究。Methyl para - hydroxybenzoate or ethyl pare - hydroxybenzoate or
對羥基苯甲酸乙酯或Ethyl para - hydroxybenzoate or propyl para - hydroxybenzoate or
對羥基苯甲酸丙酯或Methyl para - hydroxybenzoate or ethyl para - hydroxybenzoate or
對羥基苯甲酸甲酯或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( 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 )用強熒光基團2 -氨基苯並蒽酮與對烯丙氧基苯甲醛合成了另一種新的schiff堿類化合物,與甲基丙烯酸羥乙酯、丙烯酰胺、環乙二醇二丙烯酸酯共聚制得光極膜,制備了一種苯並蒽酮schiff堿光化學傳感器,可用於單質碘的測定。Food additive propyl p - hydroxybenzoate
食品添加劑對羥基苯甲酸丙酯The barnidipine hydrochloride were prepared via cyclocondensation from m - nitrobenzaldehyde, methyl acetoacetate and anmmonium bicarbonate, hydrolysis, esterification with opticaliy ( s ) - n - benzyl - 3 - py - rrolidinol, recrystallisation and salification
摘要研究了以碳酸氫銨,間硝基苯甲醛和乙酰乙酸甲酯為原料,經縮合、部分水解,再與( s ) - n -芐基3 -羥基吡咯烷經酯化、分步重結晶、成鹽得到鹽酸巴尼地平的工藝路線。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。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。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Manufacturer of pharmaceutical intermediates and fine chemicals in china. products include a range of aromatic amines, as well as intermediates for specific apis
-主要生產對硝基苯甲酸, 3 -戊酮, dl -對羥基苯甘氨酸, dl -對羥基苯海因,乙醛酸產品。Hydroxy isophthalic acid
羥基間苯二甲酸Standard test method for determination of butylated hydroxy toluene in polymers of ethylene and ethylene - vinyl acetate copolymers by gas chromatography
用氣相色譜法測定乙烯和乙烯-乙烯基醋酸酯共聚物的聚合物中丁酸化羥基甲苯的標準試驗方法Study on the catalytic synthesis of ethyl p - hydroxybenzoate by copper p - toluene sulfonate
對甲苯磺酸銅催化合成對羥基苯甲酸乙酯的研究分享友人