用化学

• Contaminated instruments and floor surfaces should be chemically disinfected .
  污染的器材和地面要用化学药物消毒。
• Perching can be discouraged by scaring, shooting or chemical repellants .
  轰吓、射杀或者用化学忌避剂可防止鸟类栖息。
• There may be a need for retarding growth chemically to keep trees within bounds .
  可能需要用化学剂抑制生长，使树冠保持在一定的范围内。
• There have been attempts to modify the fiber chemically to resist abrasion enhancement .
  过去曾设法用化学变性方法，提高纤维的抗磨损性能。
• Next, the scientists used chemicals to dissolve the resist that the electrons had struck .
  然后，科学家们用化学方法把电子轰击过的抗蚀层溶解掉。
• Photography chemicals - sodium citrate , dihydrate
  摄影用化学药品.二水合柠檬酸钠
• Chemical products for industrial use - sampling - vocabulary
  工业用化学产品采样词汇
• Photographic grade ammonium thiosulfate solution
  摄影用化学药品.硫代硫酸铵溶液
• Chemicals used for human consumption - sodium hydroxide
  人类用化学品.氢氧化钠
• Photography chemicals - p - aminophenol hydrochloride
  摄影用化学药品.盐酸对氨基苯酚