查询词典 surface area

The results show that on dry glass, the cantact area of non-smooth suructure is smaller than that of the slippy sample, so it can reduce friction; yet on a thick liquid surface, the friction of non-smooth surface is larger than slippy surface's.

结构表明在干玻璃表面非光滑结构的接触面积比光滑的要小，具有减粘降阻的作用；而在有一层厚液体膜作媒介时，摩擦力比光滑的要大。

According to Maxwell' geomorphology theory and the standardization characteristic of surface texture feature based on GPS'(geometrical product specification) areal method, deeply research the change tree and Wolf pruning technology which were used in analyzing surface topography. Further standardized the Wolf pruning standard of area, line and point feature etc and the quantification parameters of charactering surface texture. And expound its feasibility in engineering practicability by taking an example.

基于Maxwell的地貌学理论及GPS(geometrical product specification)区域法表面结构要素的规范特点，深入研究应用于表面形貌分析中的变化树及Wolf修剪技术；进一步规范区域、线、点等要素的Wolf修剪标准及表征表面结构的量化参数；并以实例阐述其在工程实践中的可行性。

For thin polycrystalline films, especially those with columnar structure, once the diameter of grains on the film surface is larger than the film thickness, the total area of above and under basal planes (film-substrate interface) will be larger than that of side plane. Therefore besides the minimization of boundary energy in traditional bulk material, surface energy, interface energy would be considered due to the anisotropy of surface energy, interface energy being able to drive the grain growth and texture evolution in thin films.

对于薄膜特别是柱状晶薄膜，当晶粒在膜平面内的尺寸大于膜厚时，柱状晶粒的上底面和下底面的面积将大于侧面的面积，因此薄膜中的晶粒生长除像整体材料中的晶粒生长一样考虑晶界能外，还需要考虑表面能和界面能，因为各向异性的表面能和界面能将导致薄膜中的异常晶粒生长和织构变化。

In addition, the ingredients have been tested by the IR spectra which show the probability of the nano-porous structure. SEM pictures, specific surface areas and distribution of pore diameter have been tested to study the nano-porous structures in surface and some data before and after the pyrolyzing process have been gained: the size of the organic aerogel is 30~50nm, that of the carbon aerogel is about 10nm, the specific surface area increases from 341.77m^2/g to 452.75m^2/g, the density increases from 0.1708g/cm^3 to 0.3356g/cm^3 respectively.

借助有机气凝胶的红外光谱研究了其化学结构，说明其网孔结构形成的可能性；研究了有机气凝胶的扫描电镜图像、比表面积及孔径分布等，并得到碳化前后的一些对比数据：有机气凝胶颗粒大小30~50nm，碳化后约为10nm，比表面积从341.77平方公尺/g增大到452.75平方公尺/g，密度从0.1708g/立方公分增大到0.3356g/立方公分。

The relationship between parasagittal meningiomas and draining veins of brain surface can be identified by MR brain surface anatomy scanning, which can evaluate the draining veins correctly and direct to protect the key draining vein, especially the draining vein in functional area of brain surface. It plays important role in the protection of neurological function and the recovery of the postoperation.

磁共振脑表面成像技术能在术前明确矢状窦旁脑膜瘤与脑表面回流静脉之间关系，可在术前对患者肿瘤表面脑回流静脉做出正确的评估，对脑表面重要回流静脉的保护提供了准确的影像学依据，对患者神经功能的保护及术后恢复起到重要作用。

In Brunn-Minkowski-Firey theory, we establish two extremum properties of the new ellipsoid; Then we generalize Petty\'s affine projection inequality and monotonicity results related to affine surface area to L_p—affine surface area; We establish the Brunn-Minkowski type inequalities for the volume of the L_p centroid body and its polar body with respect to the normalized L_p radial addition. At last, we introduce the minimal L_p—mean width of a convex body and generalize the minimal mean width to the Brunn-Minkowski-Firey theory.

在L_p-Brunn-Minkowski理论中，我们首先给出了两个关于新椭球的极值性质；然后研究了L_p仿射表面积，将Petty仿射投影不等式和Winterniz单调性问题推广到L_p仿射表面积；建立了L_p质心体和其极体的Brunn-Minkowski型不等式；研究了凸体的最小L_p平均宽度，给(来源：3bABbeC论文网www.abclunwen.com)出凸体K具有最小L_p平均宽度的充分必要条件，最后给出了凸体L_p平均宽度位置的稳定性。

Convex body; star body; polar body; inequality; extremum; i—th width integral of convex body; mixed width-integral of convex bodies; mixed chord-integrals of star bodies; affine surface area; mixed affine surface area; mixed projection body; mixed body; L_p-projection body; L_p-centroid body

基础科学，数学，几何、拓扑凸体；星体；极体；不等式；极值；凸体i-次宽度积分；凸体混合宽度积分；星体混合弦长积分；仿射表面积；混合仿射表面积；混合投影体；混合体； L_p-投影体； L_p-质心体

The present invention provides a direct-type backlight having: a resin sealing member including at least one resin layer, which has a light reflecting section formed on the outermost surface of the resin sealing member; an optical semiconductor element sealed by the resin sealing member; and plural circular light scattering grooves formed concentrically on at least one surface of the resin layer, wherein an area of a circle in the center and an area among the respective concentric circles are substantially the same.

本发明提供了一种直下式背光，包括：树脂密封元件，其包含有至少一个树脂层，该树脂层具有形成在所述树脂密封元件最外表面上的光反射部分；由所述树脂密封元件密封的光学半导体元件；和以同心圆形式形成在所述树脂层至少一个表面上的多个圆形光散射凹槽，其中在中心的圆的面积与在各个同心圆之间的面积大致相等。

The specific surface area and pore structure of mortar with cracks after electrodeposition were examined by COULTER SA3100 Surface Area and Pore Size Analyzer.

采用COULTER SA3100比表面积和孔径分析仪研究了电沉积处理后带裂缝的砂浆比表面积和孔结构的变化。

6 F/g when the super-high specific surface area activated carbon has a specific surface area of

结果表明，超高比表面积活性炭(SBET≥2500m2/g)比表面积为2827m2/g时，电容器比电容值高达101.6F/g，是比表面积为1384m2/g的普通活性炭电容器比电容的2.4倍。

What was it that made you want to change sider ?

是什么使你临阵倒戈？

I don't know what he wants, but let's play along with him.

我不知道他要干什么，可我