铝

• Iron and aluminum hydroxides are present in soils in both crystalline and amorphous forms .
  土壤中出现有结晶和非结晶形式的铁和铝的氢氧化物。
• Promoting the use of aluminum containers in preference to others might actually conserve resources .
  提倡优先使用铝容器，实际上可以节约资源。
• Brazing of aluminum and aluminum-base alloys is accomplished with the aluminum-silicon brazing alloys .
  铝和铝基合金的铜焊是用铝硅铜的合金来完成的。
• Activated carbon, alumina are often used to remove many types of organic materials from aqueous streams .
  常用活性炭，铝矾土来去除废水中各种类型的有机物。
• The aluminum may be replaced at least in part with finely particled zinc, zirconium, boron, or magnesium .
  铝粉至少可以部分地用细粒度的锌、锆、硼或镁所代替。
• They should remove the field plate and oxide and deposit a thin aluminum film over this region .
  他们应当去掉场极板和氧化层，并在整个区域淀积一层薄的铝薄膜。
• In practice, two semisilvered or aluminized glass optical flats form the reflecting boundary surface .
  实际上，两块半镀银的或镀铝的光学平面玻璃构成了反射界面。
• Now a new material has been developed, made of aluminum which is covered with a layer of polyester .
  现在已经研制出一种新材料，是用铝膜制成的，上面涂上层聚酯。
• These reactions involve electrondonation from the incoming ligand to the empty d-orbitals of the molybdenum .
  这些反映包括进入的配位体对铝的空d轨的电子给予作用。
• Toxicity problem in manufacturing and storage might be alleviated by coating beryllium with aluminum .
  但如果用铝包覆铍，则可避免加工过程中及储存期间的中毒问题。