| 1. | Ophthalmic instruments - eye refractometers
眼科仪器.眼睛折射计 |
| 2. | Ophthalmic instruments - eye refractometers
眼科仪器.眼睛折射计 |
| 3. | Urine specific gravity refractometer
尿比重折射计 |
| 4. | Serum protein refractometer
血清蛋白折射计 |
| 5. | Testing of mineral oils ; measurement of refractive index with the precision refractometer
矿物油的检验.用精密折射计测量折射率 |
| 6. | Fruit and vegetable juices . estimation of soluble solids content . refractometric method
水果和蔬菜汁.可溶固体含量估算.折射计法 |
| 7. | Test method for use of the refractometer for field test determination of the freezing point of aqueous engine coolants
发动机水成冷却剂现场测定冰点折射计使用试验方法 |
| 8. | Standard test method for pore water extraction and determination of the soluble salt content of soils by refractometer
用折射计测定土壤中可溶盐含量和孔隙抽水的标准试验方法 |
| 9. | Standard test method for use of the refractometer for field test determination of the freezing point of aqueous engine coolants
现场试验测定含水发动机冷却剂冻结点用折射计的使用标准试验方法 |
| 10. | This hand refractometer rhl - 300 is used for measuring the refractive index of vegetable oil , petroleum , oil slicks , etc
润滑油折射计rhl - 300手持折射仪适用于测量石油润滑油食品油等的折射率。 |
