| 1. | Thermometers are filled with pentane or alcohol .
温度计盛有戊烷或酒精。 |
| 2. | The second band coincides with the first in neopentane .
第二个吸收峰在新戊烷中和第一个峰相重合。 |
| 3. | Many cyclopentane derivatives also absorb in this region .
很多环戊烷的衍生物在这个范围也出现吸收。 |
| 4. | The latter arises from abstraction of the somewhat lesser activated c-h bond in the dioxolane .
后者是由二氧杂环戊烷中活化较弱的C-H键离解而产生的。 |
| 5. | Only three of hexane structures can be named on the basis of the prefixes that have been applied to the pentanes .
只有三种已烷结构可以根据加在戊烷前的词头来命名。 |
| 6. | Synthesis of d - 1 - acetyl - 1 , 2 , 2 , 3 - tetramethylcyclopentane
四甲基环戊烷的合成改进 |
| 7. | Pentane insolubles by membrane filtration
薄膜过滤法测定戊烷不溶物 |
| 8. | Syntheses of fifteen 1 , 3 - oxathiolane likes flavoring compounds
氧硫杂环戊烷类香料化合物的合成 |
| 9. | 05 . 01 test method for depentanization of gasoline and naphthas
汽油和石脑油的脱戊烷的试验方法 |
| 10. | Standard test method for depentanization of gasoline and naphthas
汽油和石脑油脱戊烷的标准试验方法 |
