共 50 条
- [31] A rapid method for determination of specific gravity of coal JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY-US, 1909, 1 : 812 - 813
- [33] SPECIFIC-GRAVITY DETERMINATION - FACT OR FANCY NEW ENGLAND JOURNAL OF MEDICINE, 1964, 270 (10): : 506 - &
- [34] INDIRECT DETERMINATION OF SPECIFIC RESISTANCE OF SOILS TO PLOWING SOVIET SOIL SCIENCE, 1973, 5 (04): : 473 - 478
- [35] The specific gravity of the blood serum and intradermal saline tests as indices of the water metabolism AMERICAN JOURNAL OF PSYCHIATRY, 1928, 8 (01): : 53 - 58