接触角

The relationship between the contact angle of photografted LDPE and the irradiation time, and the property of antifogging of LDPE were studied.

研究发现，空气气氛中随接枝时间的延长，LDPE膜的有效接枝率增加，膜对水的接触角下降。

The surface structure and the hydrophilic property of the grafted BOPP film were studied through FT-IR, ESCA and contact angle measurement.

采用FT-IR，ESCA，试样与水接触角和接枝率的测定探索了电火花用于引发丙烯酰胺在BOPP薄膜表面接枝聚合反应的方法，研究了接枝BOPP薄膜的表面结构和亲水性能。

The quality change between the ungrafted film and grafted film was analyzed. The surface configuration and constitute of the film were characterized by SEM and IR, and the contact angle was measured.

分析接枝前后的薄膜质量变化，采用SEM、IR等手段对薄膜表面形态及物质组成进行表征与分析，测定接枝前后薄膜的表面接触角。

The peel strength of HDPE/steel joint with the grafted HDPE used as hot melt adhesive is enhanced as compared with that joint with ungrafted HDPE powder.

随接枝率的增大，接枝HDPE与水的接触角下降，亲水性增加。

The effects of the contents of the acrylate and vinylidene chloride on the contact angle on PET,the extend coefficient on PET and the surface free energy of the emulsion(γ1)were also studied.

通过对乳胶扩展系数、接触角和表面能的测定，研究了合成乳胶有关组份对乳胶粘接效果的影响，从而筛选出合成乳胶的最佳配方。

After the blood of mouse flows through the anticoagulative tube for 24 hrs,there is not any blood oozing out of the wound,nor is thrombus in...

经接触角测定和复钙时间测得，氩等离子体轰击并完成肝素接枝在高分子表面的最佳合成时间是12秒。

The result makes clear, as the addition that graft leads, the crystallization of graft film is spent reduce gradually, contact contend to be reduced gradually, the hydrophily of graft film increases gradually.

结果表明，随着接枝率的增加，接枝膜的结晶度逐渐降低，接触角逐渐减小，接枝膜的亲水性逐渐增强。

The influence of MAH、 AA、 MAA、 AM and GMA on hydrophilicity of PP product surface was studied by reaction extrusion process in the twin screw extruder, where 1,1-bis (tert-butyl peroxy)-3,3,5-trimethylcyclohexane (LQCH335) as the initiator, and St as the graft co-monomer.

通过在双螺杆挤出机中熔融接枝改性PP，研究了以1，1-二叔丁基过氧化－3，3，5-三甲基环己烷(LQCH335)为引发剂，MAH、AA、MAA、AM和GMA为接枝单体，St为接枝共单体的多单体熔融接枝体系对PP制品表面可涂敷性能的影响，并利用静态水接触角进行表征。

MAIN OUTCOME MEASURES: The surface morphology of the films was observed with scanning electron microscopy and atomic force microscopy. The hydrophilicity of native and treated material surfaces was measured using a water contact angle meter. Surface composition was detected with Fourier transform infrared spectrometer. Mass changes measurement was applied to characterize the grafting efficiency.

主要观察指标：通过扫描电镜和原子力显微镜观察材料的表面形态；水接触角测量仪测定材料等离子处理和等离子接枝前后亲水性的变化；傅里叶变换红外光谱仪测定材料的结构变化；通过材料改性前后质量变化分析材料的接枝情况。

And, the contact angles of the films were measured as 16°～20° for water and 23°～30° for cyclohexane at 25℃, indicating that the films were amphiphilic, but changed to 90～110° for water and almost unchanged for cyclohexane after the film was heated in a vacuum oven at 200℃ for 0.5h.

可是，将薄膜在真空下于200℃处理0.5小时后，与水的接触角变为95-110°，而与环己烷的接触角几乎不变，表明薄膜在热的作用下完全由两亲性变为亲油疏水性。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。