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。
• 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。
• Effects of amount of DEAE, surface area and pore diameter on the activity of immobilized aminoacylase were investigated.
  考察了树脂功能基含量、比表面和孔径对固定化酶活的影响。
• The activity was determined by combining the intrinsic materials factor and that of active surface area of electrodes.
  电极的析氧活性由电催化剂的自身材料因素与电极的活性表面积决定。
• 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 surface area of the sinter determined by the BET adsorption isotherm technique is given out in this paper.
  介绍了超微银粉烧结过程，并且给出了用BET等温吸附方法测量烧结物表面积的结果。
• Its total surface area was seven thousand square feet.
  它的总表面积为7,000平方英尺。
• That stands for the surface area element on this surface.
  它表示曲面上的面积元素。
• 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。