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 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 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 effects of carbonization temperature and time on shrinkages of PAN-CHF and PAN-ACHF, activation yield, specific surface area and adsorption capacity were investigated.
  考察了炭化温度和炭化时间对PAN-CHF的收缩率、PAN-ACHF的收缩率、活化收率、比表面积和吸附性能的影响。
• The results indicated: ① The surface area of water body is an important element to its ecology effect.
  研究表明：①水体面积是影响人工湖生态效应的重要因素。
• 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。
• 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。
• 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。
• 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。
• 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。