高分子

Due to the importance of anionic polymerization in polymer ,the dynamics was also discussed by statistics method.

鉴于阴离子型聚合在高分子科学中的特别地位，本文也用了聚合反应的统计理论对本实验体系的动力学与分子量分布进行了初步探讨。

Through researching the mechanism of biological nitrification and denitrification and actual project application of the technology and related literature materials, the obtained results are as follows:(1) Anoxybiosis is effective to the removal of COD; after the anoxic process, BOD/COD of the outflow increases, it shows that the degradation ability of wastewater is improved; anoxybiosis is insensitive when shock loading of inflow wastewater varies greatly;(2) It is demonstrated by the operation of inoculation and cultivating that biofilm takes two weeks to succeed in cultivating on packings and the removal ratios of NH3-N and COD get 50% and 70% respectively, when gas-water ratio is 6:1, HRT is 7.3 hour, water temperature is above 15°C;(3) It is demonstrated that gas-water ratio, hydraulic loading, HRT, temperature, pH etc are important factors which influence the removal effect of pollutants, when the gas-water ratio is 6:1, hydraulic loading is about 0.38kgNH3-N/m~3.d, water temperature ranges from 15°C to 27°C, pH ranges from 7.5 to 8.0, the BIOFOR removal effect of pollutants is the best;(4) The operation indicated that, this technology has strong ability of nitrification and denitrification; it has extremely vital significance for reducing the water body eutrophication;(5) It is confirmed the feasibility and the usability of preanoxic-BIOFOR process to treat L-lactic acid production wastewater. The experiment indicated that the treatment effect of this technology is very good and also shows that the technology has many advantages, such as small volume, high treatment efficiency, good effluent quality and strong endurance to load variation, this technology is a new and economical wastewater treatment process.

通过对生物脱氮机理的研究和该组合技术的实际工程应用，并结合有关文献资料，取得如下结论：(1)预缺氧池对L-乳酸生产废水中的COD去除具有一定的效果；废水中难降解的高分子物质经过缺氧工段分解为易于氧化降解的物质，浮状有机物在水解菌的作用下，将不溶性有机物水解为溶解性物质；预缺氧池具有较强的抗冲击负荷能力；(2)BIOFOR接种挂膜过程表明：HRT为7.3h、气水比为6：1、水温保持在15℃以上，经过半个月生物膜即以形成，NH_3-N和COD的去除率分别达到50％和70％左右；(3)研究表明：气水比、水力负荷、HRT、温度、pH等是影响污染物去除效率的重要因素，在气水比为6：1，NH_3-N容积负荷为0.38kgNH_3-N／m~3·d，温度在15℃-27℃，pH在7.5-8.0之间的条件下，BIOFOR对污染物的去除效率达到最佳；(4)运行表明，该组合技术具有较强的脱氮能力，对于减少水体富营养化具有十分重要的意义；(5)经过半年多实际工程的现场调试与运行，验证了利用预缺氧—BIOFOR组合工艺处理L—乳酸生产废水的可行性和实用性，得出该组合技术具有占地面积小，处理效果好，运行费用省，耐冲击负荷能力强等优点，是一项新型、经济的污水处理技术。

After the blood of mouse flows through the anticoagulative tube for 24 hrs,there is not any blood oozing out of the wound,nor is thrombus in...

经接触角测定和复钙时间测得，氩等离子体轰击并完成肝素接枝在高分子表面的最佳合成时间是12秒。

Immobilization of the anticoagulative or antithrombogenic biomolecule has been considered as one of the important methods to improve the blood compatibility of artificial biomaterials. This paper describes research to improve the blood compatibility of silicone rubber and polyethylene films.

利用血小板粘附实验对接枝膜的血液相容性作了评价，实验结果表明壳聚糖膜表面接枝水溶性高分子N—双取代的亚甲基磷酸壳聚糖后，其血液相容性得到很大的提高。

Anticoagulative tube Hypothermia plasma Heparin immobilized on the wall of polymer

抗凝管；低温等离子体；肝素化；高分子管

The anticoagulative tube is made or biomedical polymersuch as polyurethane or polyethylene with heparin immobilized on the smooth inside wall by graft treatment.

肝素经低温等离子体接枝处理固定在医用高分子管内壁。获得了内壁光滑的且具有抗凝血功能的新颖材料。

Terminated DFA-PEG-PPG tripolymer polyester,which was synthesis by adding long chain fatty acid or fatty alkanol into the reactionsystem, contained not only chain lipophilic group but also polyester-polyether group,and had the building effection of alkanol antifoaming reagent and polyether one. Thenovel design theory for structure of antifoaming reagent was put forward by studyingperformance of product.

这种新型结构聚酯的合成，为消泡剂分子结构的设计提出了一种的思路；采用嵌段聚合方法所合成的_m-_n嵌段聚酯型高分子表面活性剂，其分子量比DFA-PEG和DFA-PEG-PPG三元共聚酯的分子量更大，所表现出的乳化性能更为优秀。

The composite material consists of natural fiber, polylactic acid, imvite, antioxygen and compatilizer.

本发明属于高分子材料技术领域，具体涉及一种全降解天然纤维/蒙脱土/聚乳酸复合材料的制备方法。

Research progress in the conductive high polymer of AXda010004 gathers the aniline in the metal antiseptically The conductive high polymer of survey gathers the aniline and research progress in the antiseptic respect of metal of derivative , have summarized the antiseptic mechanism put forward at present, and look into the distance to its application prospect .

综述了导电高分子聚苯胺及其衍生物在金属防腐方面的研究进展，总结了目前所提出的防腐机理，并对其应用前景作了展望。

The heat distortion temperature and notched impact strength of flame-resistant PA was enhanced highly,and the elongation rate and notched impact strength of flame-resistant PP was upgraded greatly,meanwhile the apparence of products was improved.

在矿物增强阻燃复合材料中引入稀土表面改性剂对无机粉体进行活化处理，在保持阻燃性能的前提下，改善了阻燃剂及无机粉体材料与高分子材料的相容性，显著提高了阻燃PA材料的热变形温度和缺口冲击强度，明显提升了阻燃PP材料的伸长率和缺口冲击强度，产品表观状态也得到大幅度改善，阻燃复合材料的综合性能优异。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。