| 1. | 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。 |
| 2. | 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。 |
| 3. | 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。 |
| 4. | 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。 |
| 5. | 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。 |
| 6. | Photography chemicals - sodium citrate , dihydrate
摄影用化学药品.二水合柠檬酸钠 |
| 7. | Chemical products for industrial use - sampling - vocabulary
工业用化学产品采样词汇 |
| 8. | Photographic grade ammonium thiosulfate solution
摄影用化学药品.硫代硫酸铵溶液 |
| 9. | Chemicals used for human consumption - sodium hydroxide
人类用化学品.氢氧化钠 |
| 10. | Photography chemicals - p - aminophenol hydrochloride
摄影用化学药品.盐酸对氨基苯酚 |
