| 1. | Method for determination density of benzene products
苯类产品密度测定法 |
| 2. | Improving metallic ink printing through polarized densitometry
利用偏振光密度测定法提升金银墨印刷质量 |
| 3. | Liquified petroleum gases . determination of density . pressure density bottle method
液化石油气密度测定法 |
| 4. | Asphalt materials - determination of specific gravity and density - pycnometer method
石油沥青比重和密度测定法 |
| 5. | U crude petroleum and petroleum products . determination of density . oscillating u - tube method
原油和石油产品密度测定法 |
| 6. | Graphic technology - application of reflection densitometry and colorimetry to process control or evaluation of prints and proofs
图形技术.对印刷品和校样进行工艺控制或评价的反射密度测定法和比色法的应用 |
| 7. | Crude petroleum and liquid or solid petroleum products - determination of density or relative density - capillary stoppered pyknometer and graduated bicapillary pyknometer method
原油和液体或固体石油产品密度或相对密度测定法 |
