| 1. | Humic acids are usually regarded as polymers of aromatic compounds . 腐殖酸通常被看作是芳烃化合物的聚合物。 |
| 2. | Direct alkoxylation of aromatic compounds is virtually unknown . 事实上还不知道芳香族化合物的直接烷氧基化的方法。 |
| 3. | Aromatic compounds : structure and reactions 28芳香化合物:结构和反应。 |
| 4. | The distribution law of aromatic compounds in the air of changchun city 长春市空气中苯系物的分布规律 |
| 5. | The course also provides an introduction to the chemistry of aromatic compounds 本课程同时提供芳香化合物化学的介绍。 |
| 6. | Alkyl aromatic compound 烷基芳香烃化合物 |
| 7. | Test method for total sulfur in aromatic compounds by hydrogenolysis and sulfur specific difference photometry 通过氢热解和硫特殊差别光度学对芳香化合物中总硫的试验方法 |
| 8. | Standard test method for total sulfur in aromatic compounds by hydrogenolysis and rateometric colorimetry 通过氢解分析和比率量热术测定芳香化合物中硫总含量的标准试验方法 |
| 9. | They found that it was composed of various aromatic compounds and sulfides in addition to large quantities of carbon 原来它的组成除了大量的碳,还有各类芳香族化合物和硫化物。 |
| 10. | His group has found hundreds of genes that encode enzymes which produce flavourings and aromatic compounds 他的团队还揭秘了几百种酶的基因,正是这些酶的基因控制了造成浓郁口味和芬芳气味的化合物。 |