查询词典 contact angle

Several factors that affect the stability of solder bridging spanning two identical circular pads are considered herein, including the pad size, the total volume of solder bumps, the pitch between adjacent pads, the contact angle between the molten solder alloy and the pad, the contact angle between the molten solder alloy and the solder mask and the surface tension of the molten solder alloy, respectively.

锡桥稳定性之影响因子，如垫片尺寸、焊锡凸块总体积、相邻垫片脚距、熔融焊锡与垫片间之接触角、熔融焊锡与防焊层间之接触角以及熔融焊锡之表面张力等均分别予以有系统之探讨。

Use k-12 contact angle meter to measure the contact angle of pieces in four groups and do statistical analysis.

用k-12接触角测量仪测量四组试件各自的接触角并进行统计分析。

E. exserta has smaller contact angle and better wettability than that of E.citriodor, for instance, the contact angle of E.

窿缘桉比柠檬桉具有更小的表面接触角和更好的表面润湿性能。

Results also reveal that the contact angle declines continuously with the increase of addition of carbides,and simultaneously the contact angle declines continuously with the increase of the bond energy of ceramic phases.

研究还发现，碳化物的添加使体系接触角持续下降，同时接触角随键能的增加持续下降。

The contact angle is the angle between the tangent line at the contact point and the horizontal line of the solid surface.

接触角是角之间的切线的联络点和水平线的固体表面。

Especially, contact angle of a real three-phase system is usually not, as predicted by the Young equation, defined uniquely, but varies in a range of values-the phenomenon known as hysteresis of the contact angle.

特别是，实际三相系统的接触角一般能在某个范围内被钉扎不动，不象Young方程所指出的那样有唯一确定的值，称之为接触角的滞后现象。

Through the study of the effect of contact angle on heat transfer in dropwise condensation, it has been demonstrated that an optimum contact angle in dropwise condensation exists from the view of heat transfer.

通过接触角对滴状冷凝传热影响的理论研究，从传热学角度证明了滴状冷凝过程中最佳接触角的存在。

The conditions for the formation of different surface morphologies have been discussed in terms of the contact angle of SEPs at the interface between water and chloroform, and a contact angle slightly greater than 90o is found to be pre-requisite for the formation of honeycomb structures.

我们通过改变复合物中烷基链密度、烷基链长度以及多金属氧簇内核的尺寸，详细研究了复合物的亲疏水性和尺寸对所形成的多孔膜形态的影响，并在得到高度有序的多金属氧簇复合物有序多孔膜的同时，首次获得了有序多孔结构的形成规律，即只有界面接触角稍大于90o的复。。。

It is found that the contact angle of glass fiber reinforced unsaturated polyesterfluoridized by G-02 has increased from 49.3°to 74.7°, and the surface tension has reducedfrom 35.9 mN/m to 25.9mN/m accordingly. The contact angle of glass fiber reinforcedunsaturated polyester fluoridized by G-04 has increased from 49.3°to 79.7°, and the surfacetension has reduced from 35.9 mN/m to 24.5mN/m accordingly.

经测试发现经过G-02处理的聚酯玻璃钢表面对水的接触角由原来的49.3°增大到74.7°，表面张力也相应地由35.9mN／m减小到25.9mN／m；而由G-04处理的聚酯玻璃钢其对水的接触角由原来的49.3°增大到79.7°，表面张力也由35.9mN／m减小到24.5mN／m。

By using microscopic contact angle meter to measure the hollow fiber membrane contact angle, it could be found that the contact angle were higher than 120° for different solvent system. It was showed that the porous membrane structure could enhance the hydrophobicity.

利用显微镜接触角量测仪量测中空纤维膜外表面对水接触角发现，其接触角都大於120°，表示外表面多孔性结构有助於疏水性质之提升。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐