查询词典 poly

Using home-bred poly-DL-lactic screws for intracapsular fracture of femoral condylar has excellent result and good biocompatibility.

本组优10例，良3例，一般1例。结论国产聚-DL-D乳酸可以吸收螺钉治疗关节内股骨髁骨折疗效确切，生物相容性好。

Objective To investigate the treatment effect of intracapsular fracture of femoral condylar by home-bred poly-DL-lactic screws.

作者：曾庆敏张新潮尹望平目的探讨国产聚-DL-乳酸可吸收螺钉治疗关节内股骨髁骨折的效果。

The results showed polymeric diaryliodonium salts were effective aryl ion transfer reagents. Thirdly, a new type polymer supported hypervalent iodine reagents poly { [4-Hydroxy iodo] styrene} has been developed. It was an effective oxidative reagent, and could be applied to the one pot synthesis of 4-arylthiazoles.

然后，我们以聚苯乙烯羟基对甲苯磺酰氧基碘苯为原料，成功制备了一类新型聚合物高碘试剂—聚苯乙烯负载的炔基碘盐，并研究了其作为炔基转移试剂的有效性：(1)该试剂可对硫、氮、硒等负离子进行亲电炔基化反应，合成炔基亚砜、0，0-二烃基二硫代磷酸炔基酯、1-苯乙炔基苯并噻唑以及炔基硒醚。

The poly chains can clearly function as steric stabilizers by binding to the gold surface through the thioether but may also (unlike, for example, PEG-SH)4d,h play an electrostatic role due to the potential for this water-soluble ionizable polymer to carry a negative charge.

这个聚甲基丙烯酸链可以很清楚的功能空间稳定器对黄金表面，但也可以通过thioether(不像，例如，PEG-SH)4d，发挥静电作用有潜力的ionizable这类聚合物带负电荷。

A convenient and rapid method was developed to prepare isocratic and concentration gradient linear polyacrylamide columns, and poly dA(40-60) and double string DNA were separated efficiently with an efficiency of 6 × 106 plates/m.

提出&筛分能力&作为 CGE柱评价指标，对样品迁移行为随操作条件的变化规律进行考察，为毛细管凝胶电泳的理论研究和实验条件优化奠定了基础。

A random copolymer of poly(vinyl acetate-co-isopropenyl acetate) with number-average molecular weight of 9600 and relatively narrow molecular weight distribution （MWD, M w/ M n=2.03）was prepared by free radical copolymerization of vinyl acetate with isopropenyl acetate using AIBN as initiator.

通过自由基共聚合方法，以AIBN为引发剂引发醋酸乙烯酯和醋酸异丙烯酯共聚，得到两者的无规共聚物聚。

The influence of different modifier contents,n∶n,reaction temperature and reaction time on aliphatic aqueous dispersion of blocked polyisocyanate were discussed while using methyl ethyl ketoxime as blocker and monohydroxyl poly as hydrophilic modifier.

以甲乙酮肟为封闭剂，以单羟基聚环氧乙烷为亲水改性剂，分别考察了不同改性剂用量、n∶n、反应温度、反应时间对脂肪族水分散封闭型多异氰酸酯合成的影响。

The flocculation of water dispersion of the Lateritic Red Soil and kaolin by poly-acrylamide and it's derivatives was studied,and the flocs was observed and analysed bySEM.

研究了聚丙烯酰胺及其衍生物絮凝赤红壤和高岭土水分散体系的特性，并用电子显微镜进行观测并拍照分析。

Composite microspheres composed of monodispersed poly latices with diameter about 260 nm as core and Ag nanocrystals as shell were prepared by an in situ reduction method.

在银氨溶液中利用原位还原的方法制备出共聚物-银核壳微球。

In this paper, the action mode of NMA in the traditional polyacrylate emulsions was studied by extracting the traditional self-curable PA latex film before curing and comparing the properties of two kinds of model latices A and B. Where model A was prepared according to the traditional self-curable PA latex and the model B was a blend of polyacrylates emulsion and an aqueous solution of poly-NMA. The total proportions of the ingredients were adjusted just the same as of model A. The influences of monomers, the dosages of crosslinking monomer A and emulsifier etc.

文中通过构造&共聚&和共混两个胶乳模型，研究了常规&自交联&PA胶乳中N-羟甲基丙烯酰胺的作用模式；分析讨论低温水性PA胶乳的聚合工艺及影响因素；通过分析胶膜的溶失率、吸水率、力学性质和Tg，及用扫描探针显微镜观察薄膜的微观表面形态和粗糙度的测试，研究水性PA胶乳的成膜性能、稳定性及基本性能；测试并分析胶乳作为涂料印花粘合剂和织物涂层剂的使用性能；通过核壳聚合技术对无甲醛胶乳产品进行性能优化。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。