| 1. | The chemist reported on his experiments with coal tar .
化学家提出他实验沥青的报告。 |
| 2. | Test method for ash in coal tars and pitches
测试煤焦油和硬沥青中灰分的试验方法 |
| 3. | Method for preparation of coal tar pitchs specimens
煤沥青试验室试样的制备方法 |
| 4. | Standard specification for creosote - coal tar solution
杂酚油-煤焦油溶液的标准规范 |
| 5. | Coal tar base oil - terminology ; german version en 12303 : 2000
煤焦油基油.术语 |
| 6. | Specification for coal tar creosote for wood preservation
木材防腐用煤焦杂酚油规范 |
| 7. | Extraction of xylenol from low temperation coal tar
低温焦油中二甲酚的提取 |
| 8. | Method for determination of coal tar pitch ash content
煤沥青灰分测定方法 |
| 9. | Standard test method for ash in coal tar and pitch
测试煤焦油和硬沥青中灰分的标准试验方法 |
| 10. | Determination of coal tar and dust of gas in urban area
城市燃气中焦油和灰尘含量的测定方法 |
