结果表明,聚碳酸酯材料的力学性能、玻璃化温度、分子量和数均聚合度均随吸收剂量的增加而下降;
The results show that tensile strength, glass transition temperatures, molecular weights and number averaged polymerization degree of the polycarbonate decreased with the dose.
对DTA-丙烯酰胺(AM)组成的氧化还原体系在碱性介质中引发的丙烯酰胺自由基均聚合反应进行了系统研究。
The kinetic and mechanistic features of DTA initiated aqueous polymerization of acrylamide (AM) have been investigated in an alkaline medium.
在PHB的均聚物是一种高结晶度,其不同于那些不聚苯乙烯力学性能,比较脆硬聚合物,虽然它是那么脆弱。
The PHB homopolymer is a stiff and rather brittle polymer of high crystallinity, whose mechanical properties are not unlike those of polystyrene, though it is less brittle.
长输管线系列球阀不仅选材广泛且内件材料均采用表面镀镍或是316材质、密封圈采用特制的聚合物材料。
Pipeline series ball valve is not only wide selection of parts and materials are used in nickel-plated or 316, seal with a special polymer material.
该工程地下室、厨房与卫生间均采用聚合物水泥防水涂料;屋面采用倒置式防水技术。
Polymer cement waterproofing coating is used in the basement, kitchen and toilet of the project and inversion waterproofing technique in its roofing system.
食品聚合物科学认为:在玻璃态下,造成食品品质变化的一切受扩散控制的反应,其速率均十分缓慢,甚至不会发生。
The food polymer science demonstrates that under the glass state, the change of food quality is controlled by the reaction of diffusion, which is quite slow in speed or even could not happen.
从理论上验证了多螺杆反应器在物料输运能力以及物料混合能力等方面均具有较佳的能力,多螺杆反应器更适合聚合物的加工。
It is verified in theory that the multiple-screw extruders have good material transportation and mixed ability. Multiple-screw extruder is fitter for polymer processing.
结果表明,采用A TRP法制备的TIPN的动态力学性能和黏结性能均优于常规自由基聚合制备的TIPN。
The results showed that dynamic mechanical and adhesive properties of TIPN prepared by conventional radical polymerization were worse than those of ATRP.
结果:缺血性脑血管病患者较健康人纤维蛋白单体聚合功能各项参数均显著增高(P<0.01);
RESULTS:Each parameter indicating the monomer polymerization functions of fibrin in plasma was significantly increased in ischemic cerebrovascular diseases patients than healthy individuals(P< 0.01).
大部分哺乳动物细胞均含有多种依赖DNA的DNA聚合酶。
Most mammalian cells contain multiple species of DNA dependent DNA polymerases.
这些化合物能均聚反应,亦易与苯乙烯、甲基丙烯酸甲酯及丙烯腈等乙烯类单体共聚合,得有色的高聚物。
These colored compounds can be homopolymerized and copolymerized with most vinyl monomers such as styrene, methyl methacrylate and acrylonitrile, to give the corresponding colored polymers.
利用自洽场方法研究两嵌段共聚物受限于接枝均聚物链(聚合物刷)圆孔中的自组装相形貌。
Using self-consistent field calculation, the new equilibrium morphology of a diblock copolymer melt confined in a brush-covered cylindrical nanopore can be found.
结果表明,单体和聚合物均呈现向列型液晶织态结构,聚合物在较宽的温度范围内有很好的液晶性。
The results show that the texture of monomer and polymer are the type of nematic liquid crystalline, and the polymer has good liquid crystal performance .
可以想象,最简单的聚合物是由一种结构物单元重复多次形成一个 线型 均聚物。
The simplest polymer which can be envisaged consists of the repetition of a single structural unit many times over to form a liner homopolymer.
结果表明:与传统乳液聚合体系相比,所合成的胶乳耐电解质、耐酸碱、耐有机溶剂的性能均好。
It has shown that the prepared emulsion provides good resistance to hydrolytes, acids and alkali and solvents compared to conventional emulsion systems.
但在聚合体存在的情形下,函数参数的数值不同于在均场近似下由经典朗道理论所得到的数值。
However, the values of the parameters of the function are different from those derived using the classical Landau theory based on the mean field approximation.
丙烯酸及其酯类是一类重要的化工原料,作为聚合单体可以经均聚和共聚合成成千上万的聚合物。
Acrylic acid and its ester derivatives are important raw materials for the chemistry industry, as monomer, via homopolymerization and copolymerization, it can synthetic thousands of polymers.
利用连续聚合中试装置制备了批量的不同催化剂体系的丙烯均聚物和乙丙共聚物。
The bulk of homo-polypropylene and propylene-ethylene co-polymer were produced with different catalyst systems on a continuous polypropylene pilot plant.
研究表明,聚合物分子量降低,水解度升高或者两者同时变化,沉降体积均减小,但是仍有很高的保留率。
The study results show that the subsidence volume has been a decrease along with the molecular weight dropping, the degree of hydrolysis rising or both varying, but it still has high reservation rate.
研究结果表明,聚合物涂膜的拉伸强度随UPA和EGDMA用量的增加均呈现先增大后减小的趋势;
The experimental results show that the tensile strength of emulsion films firstly increases and then decreases with the increase of the UPA and EGDMA dosages.
可聚合光引发剂的最大紫外吸收波长均发生红移,光固化残留量远远小于二苯甲酮。
The maximum UV absorption wavelength of polymerizable photoinitiator shifted toward long wavelength, and the residues of light-cured were far less than benzophenone.
对于地层非均质性的影响,通过注入聚合物段塞调驱,能起到防止气窜,增加注入气驱扫效率。
Prepositive polymer slug displacement can decrease the effect by the formation heterogeneity, prevent the gas breakthrough and improve the displacement sweep efficiency of the injective gas.
用等级聚合方法将12个处理分为两组,11个处理均明显优于对照,可直接用于生产。
The 12 treatments can be divided to two groups with hierarchical agglomeration. The 11 treatments are better than CK obviously, and they can be used in production directly.
对于非均质岩心,聚合物对驱油效率的贡献大于表面活性剂的贡献,此外还对三元段塞注入的大小和浓度进行了优化。
To heterogeneous core, the contribution of polymer to the displacement efficiency is higher than that of surfactant. The size of the ASP slug and the concentration of chemicals were also optimized.
催化峰电流与其浓度均成良好的线性关系,该聚合膜修饰电极具有良好的稳定性,具有分析应用的意义。
A good linear relationship between the peak current and the concentration was obtained. The polymer modified electrode has a high stability and is of value for analytical application.
本发明涉及单- 1 -烯烃的均聚物和共聚物,制造此类聚合物的方法以及此类聚合物的应用。
The present invention is directed to homo-polymers and copolymers of mono-1-olefins, a method of making such polymers, and USES of such polymers.
本发明还涉及通过所述聚合方法获得的丙烯酸均聚物和共聚物。
The invention also relates to the acrylic acid homopolymers and copolymers obtained using said polymerisation method.
聚合物(均经FDA批准的,并广泛应用于商业)保护,TNP- 470,从胃的酸性环境,使其能够吸收完整时,采取口头方式。
The polymers (both FDA-approved and widely used commercially) protect TNP-470 from the stomach's acidic environment, allowing it to be absorbed intact when taken orally.
结果表明,合成的淀粉接枝共聚物符合预期结构,未糊化的淀粉接枝后,聚合物保持团粒结构,表面接枝上了乙烯基均聚物;
After the graft reaction of ungelatinized starch, the morphology of the copolymers kept the aggregate structure of starch, and vinyl copolymer is grafted on its surface;
结果表明,合成的淀粉接枝共聚物符合预期结构,未糊化的淀粉接枝后,聚合物保持团粒结构,表面接枝上了乙烯基均聚物;
After the graft reaction of ungelatinized starch, the morphology of the copolymers kept the aggregate structure of starch, and vinyl copolymer is grafted on its surface;
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