chemical造句

• This book is about chemicals and plants .
  本书所写的是化学药剂和植物。
• The chemical beds are provided in duplicate .
  化学垫是成对设置的。
• Chemical energy may be converted to heat .
  化学能可以转化为热能。
• Mutation are produced by a number of chemicals .
  许多化学试剂能产生突变。
• Chemical absorption is seldom reversible .
  化学吸附物很难解吸。
• Several chemicals are well known teratogens .
  有一些化合物已知是致畸物质。
• Metabolism is a complexity of chemical reaction .
  代谢是各种化学反应的综合。
• Chemical control is the last resort .
  化学防治是最后的措施。
• The poisonous chemicals are called mycotoxins .
  这种有毒化学物叫做菌霉毒素。
• The chemical destroys botulinus .
  该化学物质能消灭肉毒杆菌。
• Ammonia is a very reactive chemical .
  氨是很活泼的化合物。
• A chemical group is a submolecular group of atoms .
  化学基因是亚分子的原子集团。
• Chemical degradations are laborious and time-consuming .
  化学降解法复杂且费时间。
• There are chemical fuels that are clean and smokeless .
  有些化学燃料是清洁无烟的。
• About half the chemical engineers have checked out .
  大约有一半化学工程师已经退房。
• Only about 2% of the deposits are chemical grade .
  蕴藏中只有大约2%是“化学级”的。
• Cryoscopy is obtained by classical chemical methods .
  冰点是由经典的化学方法获得的。
• Allelopathic chemicals are ecologically important .
  异株克生化合物在生态学上很重要。
• These substances include many commonly used chemicals .
  这些物质包括许多常用的化学品。
• Chemical thinners add another to the arsenal of sprays .
  化学疏除剂已列入农药的宝库中。