| 1. | A number of recent variations have further demonstrated the utility of the 1, 3-dithiane system .
几种最近的变体进一步阐明了1，3-二硫杂环已烷体系的用途。 |
| 2. | 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。 |
| 3. | The most important chemistry of dithianes, however, lies in their ability to act as a masked carbonyl group .
然而二硫杂环已烷的最重要的性质是它作为一个被掩蔽的羰基。 |
| 4. | It is sparingly soluble in water, less soluble in ethanol and cyclohexane, insoluble in fats and fat solvents .
它少量溶于水，较小溶于乙醇和环已烷，不溶于脂肪和脂肪剂。 |
| 5. | An investigation on a case of chronic n - hexane poisoning
1起慢性正已烷中毒事故的调查 |
| 6. | Standard specification for benzene for cyclohexane feedstock
环已烷原料用苯的标准规范 |
| 7. | Chemical reagent . cyclohexane
化学试剂环已烷 |
| 8. | Standard method for hygienic examination of n - hexane in air of residential areas - gas chromatography
居住区大气中正已烷卫生检验标准方法气相色谱法 |
| 9. | A number of recent variations have further demonstrated the utility of the 1 , 3 - dithiane system
几种最近的变体进一步阐明了1 ， 3 -二硫杂环已烷体系的用途。 |
| 10. | Objective : to realize the occupational health status of n - hexane in enterprise of kunshan city
摘要目的：了解昆山市目前使用正已烷工业企业的职业卫生现状。 |
