查询词典 polymer

This design is low stretch of 30,000 tons of high-strength type polyester production workshop after preliminary design, high low stretch of polyester staple fiber dosage is in the biggest species, it is PTA or dimethyl terephthalic acid and glycol as raw materials via esterification or the ester exchange reaction and condensation of terephthalic acid polymer fibre - together into glycol, this design USES Germany JiMa process, high scientific and technological content, is a kind of high strength, good elasticity, and heat resistance, good abrasion resistance, corrosion resistant polyester.

帮忙把涤纶论文绪论翻译成英语，要求不用翻译软件，可以用软件查单词本设计是"年产30000吨高强低伸型涤纶短纤维后加工生产车间初步工艺设计"，高强低伸型涤纶短纤维是涤纶短纤维中用量最大的品种，它是以精对苯二甲酸或对苯二甲酸二甲酯和乙二醇为原料经酯化或酯交换和缩聚反应而制得的成纤高聚物——聚对苯二甲酸乙二醇酯，本设计采用德国吉玛工艺，科技含量较高，是一种强度高、弹性好、耐热性好、耐磨性好、耐腐蚀的涤纶短纤维。

Optimization of polyester condensation process and reactor design;2. The Structure Characters of the Sulfonated Condensation Polymer Series High Performance;3. The pH value of the solution was adjusted,and the co- condensation reaction was taken place between the hydroxy groups forming transparent organic-inorganic hybrid films on polycarbonate.

以甲基丙烯酰氧基丙基三甲氧基硅烷(KH-570)水解聚合产物作为主要成膜物质，引入正硅酸乙酯水解产物硅溶胶作为无机增强物，调节两种混合溶液pH值，利用两者羟基之间的共缩聚反应在聚碳酸酯板表面制备有机/无机复合透明耐磨薄膜；采用TG/DTA、FT-IR、SEM及UV-V IS对成膜过程、薄膜性能与结构进行表征。

On the basis of the analysis of depositing agents that were generally used in the process of waste chrome liquor,a new complex depositing agent which is composed of sodium stearate,polyacrylamide and soldium hydroxide with proper proportion was prepared by use of condensation principle of charge effect and polymer absorbed layer.

在分析现行废铬鞣液处理可使用的沉淀剂的基础上，运用电荷效应及高分子吸附层的凝聚作用原理，研究出用硬脂酸钠、聚丙烯酰胺和氢氧化物按一定比例制成复合沉淀剂，用于废铬鞣液处理，效果良好。

With the rapid development of electrical industry and communication technology, the demand of conductive polymer materials is more and more urgently.

随着电子工业及信息技术等产业的迅速发展，对于具有导电功能的高分子材料的需求越来越迫切。

Polymer electrical conductive composite is one kind of functional materials that received much interest in the past two decades.

高分子复合导电材料是当今人们重点研究和开发的一类新型的功能材料。

Polymer electrical conductive composite is one kind of functional materials that received much interest in the pa...

高分子复合导电材料是当今人们重点研究和开发的一类新型的功能材料。

A precision device based on the conductance millivolt input notation method, connecting an electrical conductometer to a recorder, and with a deviation of ±5％ is established for the determination of the rate of dissolution of water-soluble polymer ic electrolyte.

采用电导仪连接记录仪，建立了一种测定水溶性高分子电解质溶解速度的精确方法——电导毫伏输出记谱法，测定偏差±5％。

It is proposed that the overall free energy of a polymer solution has three fundamentally different types of contributions,i.e.the translational,the configurational and the thermal correction parts.

提出了把聚合物溶液的自由能分解为 3部分，平动部分、构象部分和热修正项部分。

But for the strong activity of Nano-TiO2, the conglobation will happen easily, and it will greatly reduce the application effect in coating. And for the hydrophilicity , its hard to break up uniform in resins, so air gaps appear in the interface, then the high polymer in the interface willhappen degradation reaction or embrittlement reaction, and coatingsperformance will fall down.

但是由于纳米粒子表面极强的活性，使它们很容易团聚在一起从而形成带有若干弱连接界面的尺寸较大的团聚体，这大大降低甚至消除了纳米颗粒的实际应用效果，同时由于纳米粒子表面亲水疏油，在有机高分子树脂中难于均匀分散，界面上会出现空隙，当空气中的水分进入空隙中就会触发界面处高聚物的降解、脆化，导致涂层失效。

The test results showed that the amount of this kind of function material to conjugate proteins were larger than 1.5ig/mm2and its one time adsorption rate was larger than 80% and can satisfy the requirements for solid-phase radioimmunoassay. Test results showed that this polymer-NHS-ester can connect with proteins through covalent bounds under mild conditions This technical method will supply a type of new material for solid-phase radioimmunoassay.

实验证实，这类聚合物NHS酯可在温和条件下与蛋白反应，使蛋白以共价键结合方式固定在聚合物上，这种功能材料对蛋白的结合量大于1.5μ／mm~2，对蛋白的一次吸附率大于80％，能满足固相放免分析的要求，将为固相放免分析提供一种新材料。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。