lactide 中文意思是什麼

lactide 解釋
丙交酯；交酯
  1. Afterwards, the remnant lactic acid in lactide was measured by non - aqueous titration with sodium methoxide and the remnant water was surveyed by karl - fisher method. the melting point was investigated by thiele tube and the characteristics of lactide were analyzed by ir, uv spectrum, tg and dsc respectively

    然後，用甲醇鈉非水滴定法測定丙交酯中殘存乳酸，卡爾-費休法測定丙交酯中殘存水的含量，用提勒管測定精製丙交酯熔點，用紅外吸收光譜、紫外光譜、差熱分析對合成的丙交酯以及回收的丙交酯進行表徵。
  2. Standard specification for virgin poly glycolide and poly glycolide - co - lactide resins for surgical implants with mole fractions greater than or equal to 70 % glycolide

    摩爾分數大於或等於70 %乙二醇的外科植入物用原聚乙二醇和聚乙二醇聚乳酸樹脂標準規范
  3. Modified polylactic acid is synthesized from lactide and aminophenol by morpholine - dione with stannous octoate as the crystal

    摘要以聚乳酸為主體，通過化學方法，合成聚乳酸/氨基酸共聚物，並對其藥物緩釋性能做了研究。
  4. Hydroxyapatite poly - l - lactide for cytotoxicity of human bone marrow karyote

    左旋聚乳酸對人骨髓有核細胞毒性的實驗
  5. The present study on productive process of lactide

    丙交酯制備工藝的研究現狀
  6. On lactide synthesis method and condition of reaction

    丙交酯制備方法研究進展與反應條件分析
  7. Synthesis and characterization of d, l - lactide

    丙交酯的合成及表徵
  8. Studies on the synthesis and thermal stability of poly l - lactide

    聚l -丙交酯的制備及其熱穩定性能的研究
  9. Mechanism of ferric alkoxides - initiated polymerization of lactide

    醇鐵化合物引發丙交酯開環聚合機理的研究
  10. Experimental study of poly - dl - lactide hydroxyapatite composite repair bone defect

    人工骨修復長骨大段缺損的實驗研究
  11. Preparation and characterization of poly - l - lactide - tricalcium phosphate scaffolds

    磷酸三鈣多孔支架材料的制備及性能研究
  12. Poly l - lactide resins and fabricated forms for surgical implants - in vitro degradation testing

    外科植入物用聚l -丙交酯樹脂及製品.體外降解試驗
  13. The result indicated the purity of lactide which had been recrystallized thrice can reach 99. 5 %

    結果表明重結晶三次后丙交酯純度在99 . 5以上。
  14. ( 3 ) prepare a series of solid superacid sample and use as catalyst in the synthesis of lactide to select the most active sample

    5小時，解聚反應終止溫度在230 - 240 ，粗產物的收率達到90 。
  15. Lactide were investigated. the key factors affecting the polymer intrinsic viscosity were found to be monomer recrystallization times, stannous octoate concentration and polymerization time. the thermal stabilizing agent did not significantly affect the polymer molecular weight. the polymer with a viscosity average molecular weight beyond 200000 was fairly reproducible by optimizing the polymerization conditions. it was found that poly

    單體重結晶次數辛酸亞錫濃度聚合時間等條件均是影響聚合物特性粘數的重要因素。熱穩定劑對聚丙交酯的分子量幾乎沒有影響。優化聚合條件可以獲得粘均分子量大於200000的聚丙交酯材料，聚合結果具有良好的重復性。
  16. Influence of the dynamic and static degradable systems on poly - dl - lactide - co - glycolide degradable products in vitro

    動靜態浸泡體系對聚乙交酯丙交酯體外降解產物的影響
  17. ( 5 ) the article also investigate the recrystallization condition of crude lactide and point out that it also an important factor have influence on the purification production ratio. ( 6 ) give the kinetics equation of depolymerization reaction. by determination the degree of polymerization ( dp ) of the reaction system, we can get the kinetics data of the reaction

    本文建議使用乙酸乙酯和異丙醇混合溶劑（ 6 ： 4 ）對丙交酯粗產物進行重結晶； （ 6 ）提出解聚反應的動力學方程，認為它是一個可近似處理為一級反應的連續反應，並可通過測定體系的平均聚合度的方法來得到包括活化能在內的反應動力學數據。
  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

    兩親共聚物-氨基酸（ rgd ）雜化體原位自修飾構建聚乳酸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聚乳酸（ pla ）鏈段和親水聚氧乙烯（ peo ）鏈段的兩親嵌段共聚物材料（ pla - peo ） ，利用peo鏈端的活性官能團羥基固定了促細胞粘附的氨基酸及整合素配體多肽片段rgd 。
  19. Three kinds of cytocompatible surfaces on poly ( dl - lactide ) ( pdl - la ) tissue engineering matrix were designed and studied in this dissertation, to promote the cytocompatibility of the pdl - la material. the cytocompatibility test was then performed on modified pdl - la tissue engineering matrix using chondrocyte and osteoblast

    本論文針對目前聚乳酸組織工程材料存在的細胞相容性問題，對聚乳酸材料進行了三種不同類型的促細胞相容性表面設計與研究，並對促細胞相容性表面修飾的聚乳酸組織工程材料進行了軟骨細胞和成骨細胞相容性測試。
  20. The synthesis of midbody lactide for the preparation of pla is also catching more attention in this field. the present situation of lactide synthesis is high reaction temperature and low production ratio which lead to its high production cost and hamper its application in the material. the present research hot spot mainly focus on the improvement of reaction technique as well as the selection of catalyst

    制備聚乳酸的中間體丙交酯（ lactide ）的合成也越來越受到重視。丙交酯的合成長期以來存在合成溫度高，收率較低的現狀，以至生產成本偏高，不能比較經濟規模化地應用於材料領域。研究的熱點主要包括丙交酯合成工藝條件的改進，催化劑的選擇與優化。
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