| 1. | Many chemical substances are now applied to affect the growth of flowering plants . 现在应用很多化学物质来影响显花植物的生长。 |
| 2. | Table of acute toxicity group of chemical substances 化学物质的急性毒性分级表 |
| 3. | The guidelines for the hazard evaluation of new chemical substances 新化学物质危害评估导则 |
| 4. | Dangerous chemical substances or hazardous chemicals 化学危险物品 |
| 5. | Be responsible for storage and record of chemical substance 负责公司化学品的储存和出入库管理。 |
| 6. | Testing methods for resistance of adhesive bonds to chemical substances 粘合剂耐化学物质的测试方法 |
| 7. | A chemical substance that destroys or inhibits the growth of fungi 杀真菌剂杀死真菌或抑制其生长的化学物质 |
| 8. | Standard test method for resistance of ceramic tile to chemical substances 瓷砖耐化学物质腐蚀的标准试验方法 |
| 9. | Ammonia is a chemical substance 氨是种化学物质。 |
| 10. | Chemical pollution is caused by the toxic chemical substances 化学性污染是由有害有毒的化学物质污染食品引起的。 |