| 1. | Thermometers are filled with pentane or alcohol .
温度计盛有戊烷或酒精。 |
| 2. | The most common monosaccharides are hexoses and pentoses .
最常见的单糖是己糖和戊糖。 |
| 3. | 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。 |
| 4. | Other isoprenoids are excreted into the extracellular space .
其他类异戊二稀则分泌到细胞外间隙中。 |
| 5. | 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。 |
| 6. | In there compounds, the cyclopentadiene ring has only four hydrogens .
在这些化合物里，环戊二烯环只有4个氢。 |
| 7. | Its metallation and addition to cyclopentanone proceeded well to 40 .
到40,其金属取代和加入环戊酮都反应顺利。 |
| 8. | Satisfactory results were also achieved with pentaerythoitol tetra-epoxystearate .
但用季戊四醇四环氧硬脂酸脂，也可达到满意的结果。 |
| 9. | 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。 |
| 10. | Among the more common acids are the butanoic acids, the pentanoic acids, the heptanoic acids and the octanoic acids .
丁酸、戊酸、庚酸和辛酸是更为常用的酸。 |
