您要查找的是不是：
- There are inherent difficulties in selecting any method as a standard for catalytic surface area determinations. 要选定一种测定催化剂表面积的标准方法具有其特有的困难。
- The measurement of catalytic surface area has been, is, and will continue to demand considerable research. 催化表面积的测定无论在过去、现在和将来都需要继续进行大量的研究。
- In electroless polymerization,aniline molecules were oxidized to form Pn film by soluble oxygen on the catalytic surface of Pt or Pd substrate without the supply of electric current. 在没有外电流的情况下，溶液中的苯胺分子在具有催化活性的铂或钯基底表面上被溶解氧氧化为聚苯胺膜。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- The calm water surface is very much like a mirror. 那平静的水面十分象一面镜子。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- There are inherent difficulties in selecting any method as a standard for catalytic surface area determinations 要选定一种测定催化剂表面积的标准方法具有其特有的困难。
- He is honest only on the surface. 他只是表面诚实而已。
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜
- The hard outer portion or surface area of bread. 面包皮面包的表面区域的硬皮
- Surface mail takes longer than airmail. 普通邮件比航空邮件慢。
- The surface of the lake is quite still. 湖面相当平静。
- It's2 yuan by surface mail and3.6 yuan by air. 寄平信2元，寄航空要3元6角。
- Wheels won't bite on a slippery surface. 车轮打滑。
- The surface must be thoroughly clean. 表面必须彻底弄清洁。
- The surface between the ribs of a ribbed vault. 梁腹，腹板某扇形拱的胁拱之间的平面
- It is known as catalytic cracking. 这就是所谓的催化裂化。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries
