| 1. | The reactor and transfer line are rinsed with several small portions of methylene chloride . 反应器和输送管线被用少量二氯甲烷洗涤几次。 |
| 2. | One of the hydrogen atoms of the active methylene group is replaced with a cyclooxy group . 活性亚甲基上的一个氢原子是被环氧基所取代的。 |
| 3. | Kodak company describes open chain reactive methylene two-equivalent yellow-forming conplers . 柯达叙述了一种直链的活性亚甲基两当量的黄成色剂。 |
| 4. | The rods are seen here with a methylene blue stain 图为亚甲基兰染色见杆状菌。 |
| 5. | Standard specification for reclaimed methylene chloride 回收二氯甲烷的标准规范 |
| 6. | Standard test method for methylene blue active substances 亚甲蓝活性物质的试验方法 |
| 7. | Standard test method for methylene blue index of clay 粘土的亚甲蓝指数的标准试验方法 |
| 8. | Standard specification for technical grade methylene chloride 技术级氯甲烷的标准规范 |
| 9. | Specification for vapor - degrasing grade methylene 蒸汽去油脂等级甲基规范 |
| 10. | The methylene blue photometric method for determination of sulphur 次甲基蓝光度法测定硫 |