| 1. | These substances include many commonly used chemicals . 这些物质包括许多常用的化学品。 |
| 2. | Attention should be given to recovery and reuse of chemicals . 应当注意化学品的回收和再利用。 |
| 3. | This paste contains dye, thichener, water and other chemicals . 印花浆含有染料,增稠剂,水和其它的化学品。 |
| 4. | Lactones are major chemicals used in the preparation of other organic reagents . 内酯是制备其他有机试剂的重要化学品。 |
| 5. | Thousands of new chemicals, like ddt, soon resided in every living tissue . DDT等无数新的化学品,很快渗进了每个活组织。 |
| 6. | Chemical recovery and water reuse values obviously must offset these costs . 化学品的回收和水的回用价值明显地补偿了这些费用。 |
| 7. | Johnny was about 25, with a face cruelly disfigured by a chemical explosion . 约翰尼大约25岁,一次化学品爆炸把他的面部完全炸坏了。 |
| 8. | These chemicals are applied to fabrics to aid in the removal of dirt and oil born stains . 这些化学品用于织物,以去涂污物和油类产生的污点。 |
| 9. | There are a few problems of air pollution by chemicals, lint, etc., but these are minor . 化学品、棉花等也造成一些空气污染问题,但这是次要的。 |
| 10. | Over 90% of the pollution load of textile wastes is contributed by the process chemicals . 纺织废水污染负荷的90以上是由工艺过程的各种化学品构成的。 |