| 1. | This mechanistic pathway cannot be invoked to explain the synthesis of phthalonitriles(72) .
这个反应历程不能用于解释邻二基苯（72）的合成。 |
| 2. | Ortho-dichlorobenzene and certain xylenols have the weak band on the short wave-length side of the main band .
在邻二氯苯和一些二甲苯酚中，弱谱带出现于主要谱带的短波方面。 |
| 3. | Determination of iron content - orthopenanthroline photometric method
邻二氮杂菲分光光度法测定铁量 |
| 4. | The ortho - phenanthroline photometric method for the determination iron content
邻二氮杂菲光度法测定铁量 |
| 5. | The ortho - phenanthroline photometric method for the determination of iron content
邻二氮杂菲光度法测定铁量 |
| 6. | Determination of iron oxide content - orthophenanthroline photometric method
邻二氮杂菲光度法测定三氧化二铁量 |
| 7. | The o - phenanthroline photometric method for the determination of ferric oxide content
邻二氮杂菲光度法测定三氧化二铁量 |
| 8. | Catalytic oxidation of o - dichlorobenzene using transition metal oxides as catalysts
过渡金属催化剂对邻二氯苯的催化氧化研究 |
| 9. | Silica refractories - determination of iron oxide content - o - phenanthroline photometric method
邻二氮杂菲光度法测定三氧化二铁量 |
| 10. | Magnesium and its alloys - determination of iron content - orthophenanthroline spectrophotometric method
邻二氮杂菲分光光度法测定铁量 |
