甲羥酸 的英文怎麼說
中文拼音 [jiǎqiǎngsuān]
甲羥酸
英文
mevalonate-
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。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。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。In order to find replacer for metronidazole and drug selection. some diesters or esters of acids containing nitrogen with metronidazole were designed and synthesized, which have difference in water - solubility. metronidazole was reacted with the corresponding amino or imino multi - carboxylic acid compounds in the presence of acetic anhydride or thionyl chloride or dcc. the intermediate of nitrilotriacetic acid with ac
為尋找羥乙基甲硝唑的替代物,分別採用酸酐法酰氯法或dcc法,將氨基羧酸與羥乙基甲硝唑反應,得到5個親水性不同的單酯或二酯,用ms譜確證了次氨基三乙酸與乙酸酐反應的中間物,並對得到的酯的Hmb, part of the amino acid leucine, appears to also increase the growth of lean muscle tissue
Hmb (羥甲基丁酸鈣) ) ,是氨基酸和亮氨酸的一部分,似乎能促進精益肌肉組織的成長。Supply of 35 000 nos. of fluticasone propionate aqueous nasal spray to the hospital authority and the department of health as a 24 - month contract commencing 14 march 2006 supply of 5 510 000 benserazide and levodopa capsules tablets to the hospital authority and the department of health as a 24 - month contract commencing 30 march 2006 supply of 2 800 000 sertraline hydrochloride tablets to the hospital authority and the department of health as a 24 - month contract commencing 2 april 2006 supply of 117 000 000 paracetamol tablets to the hospital authority and the department of health as a 24 - month contract commencing 8 april 2006 supply of 270 000 vials of cefotaxime sodium for injection to the hospital authority and the department of health as a 24 - month contract commencing 22 may 2006 supply of 8 200 000 cloxacillin capsules to the hospital authority and the department of health as a 24 - month contract commencing 1 may 2006 supply of large saloon cars grade a to the government logistics department as a 12 - month contract from date of acceptance supply and delivery of 48 000 nos. of supermarket gift coupons to the electrical and mechanical services department as a 12 - month contract from date of acceptance
承投為醫院管理局和?生署供應35000個氟替卡松丙酸酯水劑鼻腔噴霧,合約由2006年3月14日開始,為期24個月為醫院管理局和?生署供應5510000粒羥芐絲及左旋多巴膠囊?藥片,合約由2006年3月30日開始,為期24個月為醫院管理局和?生署供應2800000粒鹽酸舍曲林藥片,合約由2006年4月2日開始,為期24個月為醫院管理局和?生署供應117000000粒對乙?氨基酚藥片,合約由2006年4月8日開始,為期24個月為醫院管理局和?生署供應270000瓶注射用頭孢?鈉,合約由2006年5月22日開始,為期24個月為醫院管理局和?生署供應8200000粒鄰氯青霉素膠囊,合約由2006年5月1日開始,為期24個月為政府物流服務署供應大型房車(甲級) ,合約由發出接納書日期開始,為期12個月為機電工程署供應和送運48000張超級市場禮券,合約由發出接納書日期開始,為期12個月Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents
以甲基丙烯酰氯、甲基丙烯酸酐和甲基丙烯酸作酰化劑,研究了膽酸甲酯分子中羥基的反應活性。Food additive propyl p - hydroxybenzoate
食品添加劑對羥基苯甲酸丙酯This paper discribes the preliminary investigation on radiolysis behavior of methylhydrazine ( mmh ), ? - hydroxylethylhydrazine ( heh ) and acet - hydroximic acid ( aha ) in co - 60 y field
對甲基肼( mmh ) 、 -羥基乙基肼( heh )及乙羥肟酸( aha )等在co - 60輻照場中的輻解行為進行了初步的定性或定量研究。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。That women who wish to use depo - provera for > 2 years should undergo a re - evaluation of the risks and benefits
願意使用甲羥孕酮醋酸酯治療2年以上的婦女應當接受一個風險和利益的再評估。Effect of medroxyprogestrone acetate on chemotherapy in 75 cases with malignancies
醋酸甲羥孕酮在75例惡性腫瘤化療中的作用分析分享友人