surface area

英 [ˈsɜːfɪs ˈeəriə]

美 [ˈsɜːrfɪs ˈeriə]

表面积

机械

英英释义

noun

• the extent of a 2-dimensional surface enclosed within a boundary
  1. the area of a rectangle
  2. it was about 500 square feet in area
  Synonym:areaexpanse

双语例句

• The surface area of the walls of a trench formed in a substrate is increased.
  衬底中形成的沟槽壁的表面区域增加了。
• The results showed that the properly high temperature could reduce the specific surface area and surface activity, at the same time increased the stability of the catalysts.
  结果表明，适当高的焙烧温度降低了催化剂的比表面积和表面酸性，提高了催化剂的稳定性。
• The results indicate: the water consumption and strength are different under different surface area with the same fluidity.
  结果表明，相同流动度下，不同粒径分布时，用水量不同，强度不同。
• Its total surface area was seven thousand square feet.
  它的总表面积为7,000平方英尺。
• The theory of condensation on insoluble particles depends qualitatively on the reduced liquid surface area.
  定性地说，在不可溶粒子上的凝结理论是与这减少的液体表面积有关的。
• Write a program to calculate square, sphere and cylinder surface area and volume.
  编写一个程序计算正方形、球体和圆柱体的表面积和体积。
• High specific surface area activated carbon was prepared frombamboo by chemical activation with KOH.
  以竹屑为原料，研究了KOH活化法高比表面积活性炭的制备工艺。
• The ratio of the drag on a body moving through air to the product of the velocity and the surface area of the body.
  在空气中运动的物体所受的牵引力与速度和物体表面积成绩的比。
• The particles may be spherical or irregular, of varying porosity and specific surface area.
  颗粒可以是球型的，也可以是不规则形状的，多孔性和比表面积有所不同。
• Methods for the determination of specific copper surface area of copper catalysts were reviewed.
  综述了几种测定铜催化剂有效表面积的方法。