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 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。
• 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。
• 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。
• This helps reduce the attackable surface area of a system.
  这有助于减少系统可遭受攻击的外围应用。
• Its total surface area was seven thousand square feet.
  它的总表面积为7,000平方英尺。
• 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。
• The effective surface area of the drug may be increased enormously by a reduction in the particle size.
  药物的有效的表面也许被对颗粒大小的减少增加极大地。
• 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。
• They are: high surface area activated carbons, metal oxide and conducting polymers.
  他们是：高比表面积活性炭，金属氧化物和导电聚合物。
• 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。