| 1. | This increased optical density caused by a disassociation or melting of the dna is called hyperchromicity .
这种由于DNA离解或融解引起的光密度增加，称之为增色效应。 |
| 2. | The optical density is variable along the straight line
沿直线的光密度变化相对较小。 |
| 3. | An optical density method for determination of microalgal biomass
光密度法测定微藻生物量 |
| 4. | Verification regulation of working standard equipment for optical density
光楔密度工作基准装置检定规程 |
| 5. | Study and application of optical density curve model for recordable disc
可写光盘光密度曲线模型的研究及应用 |
| 6. | Test method for specific optical density of smoke generated by solid materials
固体材料产烟的比光密度试验方法 |
| 7. | Od optical density difference
吸光度差 |
| 8. | Photographic sensitometry , determination of optical density ; spectral conditions
照相感光度测量技术.光密度的测定.光谱条件 |
| 9. | Test method for specific optical density of smoke generated by solid materials
通过固体材料对烟雾产生的特定视觉密度的试验方法 |
| 10. | Plastics - smoke generation - determination of optical density by a single chamber test
塑料.烟雾产生.用单燃烧室试验测定光密度 |
