羥基乙酸 的英文怎麼說

中文拼音 [qiǎngsuān]
羥基乙酸 英文
glycolic acid
  • : 名詞[化學] (羥基) hydroxyl (group)
  • : 酸構詞成分。
  1. Benzoic acid or methyl para - hydroxybenzoate or

    苯甲酯或
  2. 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

    摘要介紹了一水硫氫鈉在催化合成酯(如一元羧酯、二元羧酯、氯酯、脂、芳香酯)中的應用及其重復催化性能。
  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、對甲苯磺、氨、強性陽離子交換樹脂、六水合三氯化鐵、六水合三氯化鋁、五水四氯化錫、硫銅、硫鈦、稀土金屬氧化物、一水硫氫鈉、固體超強、雜多等催化劑催化合成對苯甲酯的方法。
  4. Hydroxy butyric acid ethyl ester

  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:對苯甲及沒食子酯。
  6. 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?有機復合納濾膜的膜;選用聚烯醇和聚酰胺為表面功能層材料,分別探討了以丁二和磺水楊為混合交聯劑,採用浸塗法制備了聚烯醇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。
  7. Methyl para - hydroxybenzoate or ethyl pare - hydroxybenzoate or

    苯甲酯或
  8. Glycol is oxidized rapidly by it to oxalic and glycolic acids.

    二醇迅速地被它氧化,生成草
  9. 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

    為尋找甲硝唑的替代物,分別採用酐法酰氯法或dcc法,將氨甲硝唑反應,得到5個親水性不同的單酯或二酯,用ms譜確證了次氨酐反應的中間物,並對得到的酯的
  10. Laryngeal cartilage defect repair with allogenic chondrocyte - pga complex

    羥基乙酸復合物修復喉軟骨缺損
  11. This paper discribes the preliminary investigation on radiolysis behavior of methylhydrazine ( mmh ), ? - hydroxylethylhydrazine ( heh ) and acet - hydroximic acid ( aha ) in co - 60 y field

    對甲肼( mmh ) 、 -肼( heh )及( 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。
  12. 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

    摘要研究了以碳氫銨,間硝苯甲醛和甲酯為原料,經縮合、部分水解,再與( s ) - n -芐3 -吡咯烷經酯化、分步重結晶、成鹽得到鹽巴尼地平的工藝路線。
  13. 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:苯海因對酰胺尿囊素大豆甙元丁苯三a牌精細化工產品系列:胺甲醇特戊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,炔炭黑旭光牌溶解炔。
  14. 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:綜述了油表面活性劑中陰離子表面活性劑(醇硫鹽, -磺鹽、酰氰胺、油甲酯磺鹽等) ,非離子表面活性劑( apg 、脂肪醇聚氧烯烷醚、烷聚氧烯烷醚等)的技術進展及今後發展趨勢。
  15. 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
  16. 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抑制劑乳羥基乙酸、巰、葡糖在赤鐵礦正浮選中對含鐵硅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。
  17. 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,採用莫爾法測定氯水解的產物氯化鈉,並計算氯的水解轉化率,從而選擇和控制水解反應的條件。
  18. 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、多聚賴氨及聚乳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。
  19. 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。
  20. 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、多聚賴氨及聚乳共同修飾的聚羥基乙酸與軟骨細胞體外培養,結果質產生旺盛,體內回植后軟骨生成良好。
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