查询词典 high molecular

In the pipe application field, high requirements of stiffness and impact strength of the resin require the use of high density polyethylenes with higher molecular weight and bimodal molecular weight distribution.

在管材的应用域上，具高规格的韧性与冲击强的树脂通常需要使用高分子与双峰分子分布的高密聚乙烯为材质。

According to the experiment results of degradation in field, degradation mechanism of the biodegradable mulch film can include four stages: the first, the material surface appeared deficiency while the surface area and interstice increased of material in the action of natural environment and microorganism; the second, along with the surface area and interstice of material increased and the gap strengthened, the chemical chain of the high polymer's principal chain broke as a result of the hydrolysis or the enzymatic effect in the action of hydration, causing the molecular weight and mechanics function descended; the third, the molecular of high polymer split the low polymer after its physical mechanical function descended, the material decomposed the fragments, the mass defect intensified; the fourth, the low polymer of fragments form in the natural environment, the microorganism, the biological enzyme became the smaller fragments, thus absorbed by the phagocytes, or further turn into CO2 and H2O due to hydrolysis.

根据田间降解试验结果推测，生物全降解地膜的降解机理可能包括四个阶段：第一，在自然环境、微生物作用下，材料表面出现缺陷，同时表面积增大、空隙增多；第二，随着材料表面积的增大、空隙的增多，吸水性增强，在自水合作用下，高聚物主链由于水解或酶解而使化学链断裂，导致分子量和力学性能下降；第三，在其物理机械性能下降后，高聚物分子链断裂为低聚物分子，材料裂解为碎片状，质量损失加剧；第四，碎片状低聚物在自然环境、微生物、生物酶作用下进一步水解变成尺寸更小的碎片，从而被吞噬细胞吸收，或进一步水解，生成CO2和H2O。

High molecular weight increase in the protein matrix and raising the temperature range of paste and enthalpy value, improve the starch paste viscosity.

增加的高分子蛋白质强化了蛋白质的基质作用，与二硫键的增加共同提高了糊化的温度范围和热焓值，提高了淀粉糊的粘度。

There are huge amount of cellulose,starch and other high molecular weight biomasses.These materials could be converted into bioethanol,which is widely used in industry.

以自然界广泛存在的纤维素、淀粉等大分子物质为原料，利用物理化学途径和生物途径可以将其转化成具有多种工业用途的生物乙醇。

The compositions of high molecular weight glutenin subunits in 106 synthetic wheats were analyzed by using sodium dodecyl sulphate polyacrylamide gel electrophoresis.

利用十二烷基磺酸钠－聚丙烯酰胺凝胶电泳技术对106份人工合成小麦(2n=6x=42， AABBDD)的高分子量谷蛋白亚基组成进行了分析。

On the basis of the animal model of blood stagnated disease builtup by infusing high molecular weight dextran to sheep,the effect andmechanism of electroacupuncture to activate blood circulation and re-move blood stasis were studied.

对电针前后血瘀症模型绵羊血液流变学指标变化的观察发现，电针后血瘀症模型绵羊的全血粘度、还原全血粘度、血浆粘度、红细胞聚集指数和血浆纤维蛋白原含量均显著降低，红细胞电泳时间显著缩短，证明电针具有活血化瘀，改善血瘀症模型绵羊血液循环的作用。

The inaccessible pore volume for high molecular mass polyacrylamide in oily sand cores from Liaohe Oilfield was analyzed at 58 ℃ using KSCN as a tracer.

采用KSCN作示踪剂，测定了高分子量聚丙烯酰胺58℃时在辽河油田油砂岩芯中的不可及孔隙体积。

Objective To investigate the effects of high molecular bio-degradable film on preventing peritoneal adhesion.

目的 探索高分子生物降解材料在预防腹腔粘连中的作用。

Objective To investigate the effects of high molecular bio-degradable film on preventing peritoneal adhesion.

吉林大学第一医院外科，吉林130021摘要：目的探索高分子生物降解材料在预防腹腔粘连中的作用。

Chromic acid oxidation and sizing agent surface treatments were used to modify ultra high molecular weight polyethylene fibers together.

对超高分子量聚乙烯纤维进行了铬酸液相氧化和上胶剂表面涂覆的复合表面处理，并对UHMWPE纤维表面处理前后与几种不同结构的环氧树脂基体制备的复合材料进行界面性能研究。

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％。