1) geometrical properties
表面几何特性
1.
3D statistic analysis of geometrical properties of a rock joint;
岩石节理表面几何特性的三维统计分析
2) topography
[英][tə'pɔɡrəfi] [美][tə'pɑgrəfɪ]
表面几何特征
1.
In this paper, digital images of flaky powder are used to analyse the surface topography.
对不同片状粉末的显微照片进行了分析,选择四个机械表面粗糙度参数:Ra,Rq,Sk和K对不同粉体颗粒的图像进行表面几何特征的描述,根据片状粉末图像的灰度值计算相应的粗糙度数值。
2.
Surface fractal dimension was employed to describe the topography of flaky powder.
根据片状粉末表面几何特征,提出了用分形方法对其进行描述。
3) sectional properties
截面几何特性
1.
An effective algorithm for calculation of the sectional properties of thin-walled bars with generalsections is presented in the paper.
针对任意截面形式的开闭口薄壁截面几何特性的计算,提出了一种便于计算机实现的比拟有限元法。
4) sectional properties
剖面几何特性
5) geometric characteristic
几何特性
1.
The geometric characteristic,hydrodynamic and mass transfer performances of the packing were obtained.
获得了该填料的几何特性、流体力学性能及传质性能数据,并通过对实验数据的回归分析,得出了填料层压降Δp/Z、泛点填料因子F及气相总传质单元高度HOG的关联式。
2.
The data of geometric characteristics,hydrodynamic and mass transfer performance of packing were obtained.
获得了该填料的几何特性、流体力学性能及传质性能数据。
3.
Based on analytic method and set operation method,the geometric characteristics of the intersection and union of two or three cylinders with their axes intersecting perpendicularly were studied.
采用解析方法和集合运算方法,首先对柱柱正交中的交集体和并集体的几何特性进行了研究,推导出了它们的表面积和体积的解析表达式。
6) geometric characteristics
几何特性
1.
This paper deduces the accurate formulas for calculating the geometric characteristics of effective cross sections of members with welded H-shaped cross sections in gabled frames,and in order to simplify the calculation,presents the corresponding approximate calculation formulas.
推导了门式刚架中焊接H形截面构件有效截面几何特性的精确计算公式,为简化计算过程,给出了相应的近似计算公式。
补充资料:炭黑表面特性
分子式:
CAS号:
性质:炭黑的一项重要性能。指炭黑表面基团的物理和化学性质。化学性质常用挥发分、pH值或氢、氧含量来表征;物理性质常用孔隙度、粗糙度和吸附特性来表征。
CAS号:
性质:炭黑的一项重要性能。指炭黑表面基团的物理和化学性质。化学性质常用挥发分、pH值或氢、氧含量来表征;物理性质常用孔隙度、粗糙度和吸附特性来表征。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条