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The interfacial tension and interfacial shear viscosity of polymer solution/asphaltene model oil were measured respectively by Wilhelmy method and biconical bob method.

用挂片法和双锥摆法测定了聚合物溶液/沥青质模拟油体系的界面张力和界面剪切粘度，并对聚合物浓度对其的影响进行了分析。

A new surfactant-polymer binary compound system without alkali was proposed and used to attain ultra-low interfacial tension of oil.

为此提出利用不加碱可形成超低界面张力的聚合物/甜菜碱表面活性剂二元复合体系驱油。

The process that allows biolysis has two methods: the first method is the plastic allows the biolysis matter to permeate the plastic material to decompose, the second method is the high polymer that makes it easy for the enzyme to decompose.

制造可生物分解之添加剂有二种方法：第一种是在分解的塑胶材质中添加可生物分解的物质，第二种是制造本身容受酵素分解的高分子。

Therefore, the two decomposition mechanisms actually complement each other, and brings out the best in each other, the high polymer chain not only breaks up the physical characteristics and makes it soft, but breaks them into smaller pieces, and maintains biolysis with its end product – water and carbon dioxide.

因此， 种分解机制乃是相辅相成，相得益彰，高分子链的断仅弱化物特性，并且将高分子裁剪成小分子，终被微生物分解成最终产物-水和二氧化碳。

The ratio of monomer of copolymer can be changed in order to obtain biodegradable polymer with variant biotic behavior.

用不同比例单体共聚的方法获得了不同结构的生物材料，它们在不同环境中降解性质不同。

The prosthesis involved biotype in 18 cases (24 hips), cemented 3 cases (5 hips), and mixed type 3 cases (4 hips) and made of metal alloy shaft and polymer polyethylene liner.

所用假体包括生物型18例(24髋)、骨水泥型3例(5髋)、混合型3例(4髋)，均为金属合金股骨柄对高分子聚乙烯内衬。

Effects of polymer structure on light-emitting properties were investigated by using different copolymerizing units, such as biphenyl and fluorene.

通过改变不同的共聚基团，如芴和联苯等，研究了聚合物结构对其发光性能的影响。

Power-law fluid is used to describe the Non-newtonian rheological property of the produced fluid in a polymer-driving well; the governing equations, boundary and initial equations of power-law fluid in eccentric annuli with the inner cylinder reciprocating axially is established in bipolar coordinates system; formulas of instantaneous flow rate and stress distribution on the outwall of the inner cylinder of the unsteady flow of power-law fluid in eccentric annuli with the inner cylinder reciprocating axially are established.

在理论上，用幂律流体模型描述了聚合物驱油井产出液的非Newton流变性；建立了双极坐标系下幂律流体在内管做轴向往复运动的偏心环空中非定常流的控制方程及边界条件和初始条件方程；建立了双极坐标系下幂律流体在内管做轴向往复运动的偏心环空中流动时瞬时流量和流体在内管壁上的压力分布计算公式。

A thin film of PEN polymer with electrical bistable states at room temperature was discovered.

发现了在室温下具有电双稳特性的聚合物材料聚对萘二甲酸乙二酯。

Polymer stabilized bistable cholesteric liquid crystal display unit reflection properties of - journals | Free ...

聚合物稳定的双稳态胆甾液晶显示单元反射特性的研究-期刊杂志|免费。。。

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。