羥基乙酸 的英文怎麼說
中文拼音 [qiǎngjīyǐsuān]
羥基乙酸
英文
glycolic acid
-
羥 :
名詞[化學] (羥基) hydroxyl (group)
-
酸 :
酸構詞成分。
-
Benzoic acid or methyl para - hydroxybenzoate or
對
羥基苯甲
酸乙酯或
-
A review on application of monohydrated sodium bisulfate as catalyst in synthesis of ester, such as monocarboxylic esters, dicarboxylic esters, chloroacetates, hydroxycarboxylic esters, aromatic esters and the reusability of sodium bisulfate with
摘要介紹了一水硫
酸氫鈉在催化合成酯(如一元羧
酸酯、二元羧
酸酯、氯
乙酸酯、
羥基酸脂、芳香
酸酯)中的應用及其重復催化性能。
-
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。
-
Hydroxy butyric acid ethyl ester
羥基丁
酸乙酯
-
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
-
Glycol is oxidized rapidly by it to oxalic and glycolic acids.
乙二醇迅速地被它氧化,生成草
酸和
羥基醋
酸。
-
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
-
Laryngeal cartilage defect repair with allogenic chondrocyte - pga complex
聚
羥基乙酸復合物修復喉軟骨缺損
-
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。
-
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。
-
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。
-
Abstract : renews in this paper of the surfactant oil based for surface activies agent of anionic ( alcohol sulfate, sulfonata, acetyl cyanamid, and oleie methyl ester sulfonat etc. ) surface a ctivies agent of nonionic ( apg, alcohol polyxyethnyl ether, alkyl polyoxyethnyl alnyl hydroxyl ether etc. ), for technique improvement and develcpment trends
文摘:綜述了油
基表面活性劑中陰離子表面活性劑(醇硫
酸鹽, -磺
酸鹽、酰
基氰胺、油
酸甲酯磺
酸鹽等) ,非離子表面活性劑( apg 、脂肪醇聚氧
乙烯烷
基醚、烷
基聚氧
乙烯烷
基羥基醚等)的技術進展及今後發展趨勢。
-
Depressing effect of hydro - acetic acid in flotation sepa ration of aegerine from hematite
羥基乙酸在赤鐵礦與霓石浮選中抑制性能的研究
-
The beheviour of four low - molecule weight organic acid lactic acid, hydroxy - acetic acid, mercapto - acetic acid, glyconic acid as iron - containing silicate - aegirines depressants on the hematite direct flotation is investigated in this paper. the results of flotation tests with pure minerals, artificial mixture of minerals and naturally occurring ore show this depressants have good selectivity in flotation. the flotation separation of hematite from aegirine is achieved successfully with the four depressants
本文研究了四種小分子有機
酸抑制劑乳
酸、
羥基乙酸、巰
基乙酸、葡糖
酸在赤鐵礦正浮選中對含鐵硅
酸鹽脈石霓石的抑制行為,純礦物、人工混合礦與實際礦石浮選實驗均證明了它們具有良好的選擇性抑制作用,可以成功地實現赤鐵礦與霓石的浮選分離。
-
The amount of hydroxyacetic acid, equal to that of sodium chloride, produced from chloroacetice acid hydrolysis is determined by adopting moore method and there fore the ratio of transformation of chloroacetice acid hydrolyzed can be calculated
摘要氯
乙酸水解生產
羥基乙酸的工藝過程中產生等物質量的氯化鈉,採用莫爾法測定氯
乙酸水解的產物氯化鈉,並計算氯
乙酸的水解轉化率,從而選擇和控制水解反應的條件。
-
Conclusion the more production of matrices , the better formation of tissue - engineered cartiolage ; the constructs of chondrocytes seeded onto pga coating with pla , lec and plys can form tissue - engineerd cartilage in animals who have inherited immunity
結論細胞支架復合物體外培養期間有
基質產生,是組織工程化軟骨生成的前提條件;以卵磷脂、多聚賴氨
酸及聚乳
酸共同修飾的聚
羥基乙酸支架與軟骨細胞復合培養后回植到有免疫力的動物體內可生成組織工程化軟骨。
-
Methods to culture chondrocytes seeded onto polyglycolic acid ( pga ) scaffolds coating with different materials , observe the production of matrices secreted by chondrocytes and implant the constructs of chondrocytes and scaffolds into subcutaneous of rabbits. the formation of cartilage were evaluated using histology and electron microscope
方法經不同物質修飾的聚
羥基乙酸支架與軟骨細胞體外培養,觀察
基質產生情況,並將細胞支架復合物體內回植,觀察軟骨的生成,並進行組織學及超微結構評價。
-
Results the chondrocytes produced more matrices when seeded onto pga scaffolds coating with pla , lec and plys. the formation of cartilage was excellent when the constructs above were implanted into the subcutaneous of rabbits
結果以卵磷脂、多聚賴氨酸及聚乳酸共同修飾的聚羥基乙酸與軟骨細胞體外培養,結果基質產生旺盛,體內回植后軟骨生成良好。