聚羥乙酸 的英文怎麼說

中文拼音 [qiǎngsuān]
聚羥乙酸 英文
plga
  • : 動詞(聚集; 聚積) assemble; gather; get together
  • : 名詞[化學] (羥基) hydroxyl (group)
  • : 酸構詞成分。
  1. 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種原花青素二體b4 ; 2種其他酚類物質:對基苯甲及沒食子酯。
  2. 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;選用烯醇和酰胺為表面功能層材料,分別探討了以基丁二和磺基水楊為混合交聯劑,採用浸塗法制備了烯醇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,採用界面合法制備了酰胺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。
  3. ( 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,與甲基丙烯酯、丙烯酰胺、環二醇二丙烯酯共制得光極膜,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。
  4. Laryngeal cartilage defect repair with allogenic chondrocyte - pga complex

    復合物修復喉軟骨缺損
  5. Abstract : researches on unformaldehyde unironing finishing are summarized in this paper. functions and deficiencies of glyoralamido, water soluble heat reactive polyure thane, bishydroxyethyl - sulfoue, natural high precision chitosan, reactive organosilicon, amyloidosis epoxide, multiple carboxyl acid compound are also analyzed and compared

    文摘:綜述了無甲醛免燙整理方面的研究,分析比較了二醛-酰胺類整理劑、水溶熱反應性氨酯、雙基碸、天然高物殼糖、反應性的有機硅、澱粉改性物、環氧類整理劑、多羧化合物等無甲醛抗皺整理劑的功能以及各種整理劑存在的不足
  6. 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(醇硫鹽, -磺鹽、酰基氰胺、油甲酯磺鹽等) ,非離子表面活性劑( apg 、脂肪醇烯烷基醚、烷基烯烷基基醚等)的技術進展及今後發展趨勢。
  7. N - vinylpymolidone - co - 2 - hydroxyethyl methacrylate ( nw - co - hema ) copolymer had been widely studied and used as soft contact lens and controlled - releasing materials in foreign countrys. but this hydrogel material ' s oxygen penetration capability was closely correlated to its equation water content. when the hydrogel had high equation water content, its oxygen penetration capability was improved, but its mechanism performance was droped

    N -烯基吡咯烷酮( nvp )和甲基丙烯-己酯( hema )的共物水凝膠作為軟質接觸透鏡材料(隱形眼鏡)和藥物釋控材料,在國外已經得到深入研究和應用,但是這種水凝膠材料的氧氣透過性能與其平衡含水量密切相關,水凝膠含水量較高,其氧氣透過性能有所提高,但材料的機械性能下降。
  8. At the same time, we also can supply taed, thiourea, melamine, aluminum sulphate, titanium dioxide rutile and anatase, rubber accelerator, methyl cellulose, hydroxypropyl methyl cellulose, monoammonium phosphate and other phosphates, 2 - ethyl anthraquinone, etc

    同時還可為客戶提供四二胺硫脲三氰胺硫鋁鈦白粉橡膠促進劑甲基纖維素基甲基纖維素丙基甲基纖維素,磷二氫銨2 -基蒽醌等十幾種優質化工品。
  9. A polyurethane radical composite material ( pu / p ( vc - vac ) ) was synthesized by reaction of hydroxyl vinyl chloride - acetate copolymer ( p ( vc - vac ) ) and pu

    摘要試驗研究了以基化的氯烯醋烯酯樹脂為改性劑,與氨酯預體反應合成氨酯基氯醋樹脂氨酯復合材料。
  10. The synthesis technology of various liquid rubbers with different active group terminated, such as hydroxyl - terminated, carboxyl - terminated, isocyanate - terminated, ami - no - terminated, mercaptan - terminated and various main chains like polybutadiene, polyurethane, polystyrene were reviewed with 23 references

    摘要綜述了端基、端羧基、端異氰酯基、端氨基、端巰基等活性端基,以及丁二烯、氨酯、烯等不同主鏈結構的液體橡膠的合成技術。
  11. Non - ionic surface active agents. polyethoxylated derivatives. determination of hydroxyl value. acetic anhydride method

    非離子表面活性劑.氧基衍生物.基指數的測定.醋酐法
  12. Standard practice for polyurethane raw materials : determining hydroxyl number of polyols by near infrared spectroscopy

    氨基甲酯原料的標準實施規范:利用近紅外譜法測定多元醇中的基值
  13. 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、多賴氨共同修飾的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。
  14. Standard test methods for testing polyurethane raw materials : determination of hydroxyl numbers of polyols

    氨基甲酯原料的標準試驗方法:多元醇的基數的測定
  15. Polymer dispersed liquid crystal ( pdlc ) films are prepared from photo - polymerization of ( cholesteryl acrylate / 2 - hydroxyethyl methacrylate / liquid crystal ) mixtures induced by ultraviolet radiation

    摘要選用丙烯膽固醇酯甲基丙烯-酯液晶復合體系,在紫外光照射下制備合物分散液晶薄膜。
  16. 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。
  17. Peg and superfluous aa reaction by complete concatenation method, the esterify production " esterify water " and acid number were mensurated, it shows that the esterify reaction would be processed under 100 esterify temperature and with amine accelerantthe tide of esterify reaction was substantiated by ir. in the ir spectrum, the characteristic peak of hydroxy of peg and carboxyl of aa were weakened. and the ester link of peg was reinforce. the " esterify water " was increased gradually and the acid number of esterify production was debased gradually along with the extent of esterify time and the augmentation of molecular weight of peg

    通過二醇與過量的丙烯採用全連續法進行反應,測定酯化產物「酯化水」和值等宏觀手段反映出在胺類促進劑、 100的酯化溫度等條件下的酯化進程,而利用紅外光譜( ir )分析所反映的二醇的基和丙烯的羧基特徵峰減弱,而pea的酯基特徵峰加強等特徵進一步證實了宏觀手段所表現出來的酯化趨勢:隨著酯化時間的延長和二醇分子量的增大,產生的「酯化水」逐漸增加,酯化產物的值逐漸降低;從酯化時間看,當反應時間達到300min時,酯化物的值達到最小,而從ir分析來看,酯化物pea4的基峰在300min時減弱到最小, pea23在120min時基峰的表現出酯化基本完全。
  18. The study of in - situ construction of cytocompatible surface on pdl - la matrix via amphiphile - amino acid ( rgd ) hybrid self - segregation - the amphiphilic diblock copolymer, poly ( dl - lactide ) - poly ( ethylene oxide ) ( pla - peo ) copolymer, containing hydrophobic pla block and hydrophilic peo block was synthesized via coupling method in this dissertation. cell - adhesion - promoting amino acids and integrin receptor peptide rgd were then immobilized at the end of peo chain of pla - peo copolymer via hydroxyl group activation technique. the solvent blending and casting method was then used to obtain the amphiphile modified pdl - la membranes

    兩親共物-氨基( rgd )雜化體原位自修飾構建細胞相容性表面的研究一本論文首先設計併合成了一類含疏水( pla )鏈段和親水烯( peo )鏈段的兩親嵌段共物材料( pla - peo ) ,利用peo鏈端的活性官能團基固定了促細胞粘附的氨基及整合素配體多肽片段rgd 。
  19. 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、多賴氨共同修飾的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。
  20. Polyglycols for industrial use. determination of hydroxyl number. phthalic anhydride esterification method

    工業用二醇.基數值的測定.鄰苯二甲酐酯化法
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