Polyacrylamide (PAM) is a group of water-soluble high-molecular polymer and has been widely applied to different fields of industry, agriculture and peoples' daily life.
聚丙烯酰胺是一类重要的水溶性高分子聚合物,已广泛应用到工农业生产的各个领域和人们的日常生活中。
Synthetic resin is a high-molecular polymer produced artificially through the polymerization of low-molecular monomers such as ethylene, propylene and chloroethylene etc.
合成树脂为人工合成的高分子聚合物,是由低分子原料(如乙烯、丙烯、氯乙烯等)通过聚合反应生产的。
Accurate evaluation on physicochemical property of high molecular weigh polymer is favorable for further optimization of different polymers and for guidance of injection parameters.
对超高分子聚合物理化性能的准确评价有利于对不同聚合物进一步优选并指导其注入参数的优化。
In the process of laboratory testing, evaluation of filtering factor of ultra high molecular weight polymer has certain limitation according to test of filtering factor of molecular weight polymer.
生产应用表明,在室内检测过程中,按照中分子聚合物过滤因子的测定方法来评价超高分子聚合物过滤因子表现出了一定局限性。
A polymer is a substance of high molecular weight, well above the size of the compounds considered so far.
聚合物是一种高分子的物质,其大小远远超出迄今所提到的各种化合物。
Test criteria formulated for filtering factor of ultra high molecular weight polymer has been widely applied in testing departments of oilfield.
依据改进的检测方法编制的超高分子聚合物过滤因子检测标准已在油田各测试机构广泛使用。
Starting from the relation between structure and properties of polymer, high molecular polysiloxanes containing of different content of aminopropyl groups were designed and synthesized.
从聚合物结构与性能关系入手,设计合成了高分子量的不同氨丙基含量的含氨丙基聚硅氧烷。
There is an optimum value about the concentration of a high molecular weight polymer.
高分子质量浓度存在一个最佳值。
The advantages of the high affinity and selectivity of the molecular imprinted polymer nanotube membrane in chemical separation are also discussed.
分子印迹聚合物纳米管膜在化学分离中具有高亲和性和高选择性的优点。
In the second stage, to ensure a high molecular weight polymer, enough reaction time is necessary.
在第二阶段,为了确保得到高分子量聚合物,需要足够的反应时间。
The invention belongs to the field of the high molecular material, in particular to a conductive film of a coating of a high molecular polymer and a preparation method thereof.
本发明属于高分子材料领域,特别是涉及一种高分子聚合物涂层导电膜及其制备方法。
A natural or synthetic polymer of high molecular weight (i. e., 5000 or more).
高分子量(即5000以上)的天然或合成聚合物。
The influence of high molecular polymer additive on the structure of jet is studied.
用试验方法对淹没状态下高分子添加剂射流轴向动压力分布进行了研究。
Chemical reaction in which smaller molecules combine to form a high molecular weight polymer.
通过化学反应把小分子联合成大分子量的聚合物。
It introduced the gel chromatography to determine the average molecular weight and molecular weight distribution of high polymer.
介绍了用凝胶色谱法测定高聚物的平均分子量及分子量分布。
Dispersive dye-starch was fixed in a carrier by cross linking reaction of starch and high molecular polymer and dye-starch film was formed.
通过淀粉与高聚物交联反应将制备的分散状染色淀粉固着于高分子载体上,形成染色淀粉薄膜。
Anti dispersion agent for low fluidity loss underwater concrete was prepared with soluble high molecular polymer and tests on anti dispersion and fluidity loss were carried out.
采用速溶高分子聚合物,制成低流动性损失水下混凝土用抗分散剂,并进行抗分散性、流动性损失试验。
Polymer: Natural or synthetic plastic-like substances having molecule in a high relative molecular mass formed by the chemical linking of many simple molecules, of the same substance.
聚合物:类似塑胶的人造或天然物体。由许多简单而属于同一种物质的分子,通过化学结合而形成,并具有较高的相对分了质量。
The inorganic mineral combined with modified high molecular polymer can increase the permeability of coated fertilizer.
无机矿物质与改性高分子聚合物共混,能够提高肥料包膜的透性。
The preparation and application of high molecular polymer ultrasound contrast agents were reviewed in this article.
本文就高分子材料超声造影剂的制备及其应用研究进展作一简要综述。
The polymer composition shows relatively low-level long chain branching and relatively high-level molecular weight.
聚合物组合物显示出相对低水平的长链支化和相对高的分子量。
Objective to explore a way to produce a novel high molecular polymer ultrasound contrast agents, and to explore its effect of enhancing ultrasound imaging in vitro experiment.
目的探索应用人工合成高分子聚合材料制备微泡超声造影剂的方法并观察其体外显影效果。
The role of high molecular weight polymers in reducing droplet size is explained in terms of polymer coil overlap which results in a large increase in the viscosity of the solution.
大分子聚合物减少小尺寸液滴数量的作用,可以解释为聚合物分子链卷曲交迭从而使溶液的黏度大幅度增加。
An advanced electrolytic process using high molecular polymer film as the diaphram to prepare high purity auric potassium cyanide was presented as the subsequent purification process.
介绍了一种先进的高分子聚合物隔膜电解制备高纯氰化金钾工艺及纯化工艺。
The drag of flow in pipes can be greatly reduced by adding a very small amount of high molecular polymer to water.
在清水里加入微量的高分子聚合物,可以大大降低管路阻力。
The invention pertains to the technical field of polymer material, in particular relating to a polyethylene material containing high molecular weight component and a preparation method thereof.
本发明属于高分子材料技术领域,具体为一种含有高分子量组分的聚乙烯材料及其制备方法。
The traditional asphalt materials cannot meet the demands of heavy loading condition so that a feasible method is proposed to modify the traditional asphalt using some high molecular polymer.
针对传统沥青材料已不能满足当前繁重荷载要求的现状,介绍了聚合物改性沥青的有关技术知识,阐述了选用某些高分子聚合体改变传统沥青特性的方法,以提高沥青的产品性。
The traditional asphalt materials cannot meet the demands of heavy loading condition so that a feasible method is proposed to modify the traditional asphalt using some high molecular polymer.
针对传统沥青材料已不能满足当前繁重荷载要求的现状,介绍了聚合物改性沥青的有关技术知识,阐述了选用某些高分子聚合体改变传统沥青特性的方法,以提高沥青的产品性。
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