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Mineralogy, mineral-chemistry, and composition of the Murchison (C2) meteorite
Fuchs, Louis H., Edward Olsen, and Kenneth J. Jensen. Mineralogy, MineralChemistry, and Composition of the Murchison (C2) Meteorite. Smithsonian Contributions to the Earth Sciences, number 10, 39… Expand
Half-life of 60Fe
Abstract The half-life of 60Fe has been measured to be T 1 2 = (1.49 ± 0.27) × 10 6 a, significantly longer than the one previous measurement of Roy and Kohman which reported a value of 3 × 105 a… Expand
Mineral content of skeletal bones in otosclerosis.
- K. J. Jensen, H. E. Nielsen, O. Elbrønd, H. Hansen
- Clinical otolaryngology and allied sciences
- 1 October 1979
In 63 patients with otosclerosis confirmed by operation, the bone mineral content was determined by photon absorptiometry. The bone mineral content and bone mineral concentration were found to be… Expand
Otosclerosis and pregnancy: a study of the influence of pregnancy on the hearing threshold before and after stapedectomy.
In a retrospective study of 144 fertile women subjected to operation for otosclerosis by the method of Shea or House, we found a fall in the hearing threshold in the operated ear which seemed to be a… Expand
Bone mineral content in osteogenesis imperfecta tarda and in otosclerosis.
- U. Pedersen, H. E. Nielsen, K. J. Jensen, O. Elbrønd, H. Hansen
- The Journal of laryngology and otology
- 1 July 1979
In 22 patients with osteogenesis imperfecta and in 63 patients with otosclerosis the bone mineral content in peripheral bones was determined by photon absorptiometry. The bone mineral content proved… Expand
A40-K40 dating of igneous rocks and sediments
Abstract The discrepancy in A 40 K 40 ratios between micas and feldspars reported by Wetherill has been confirmed. Assuming no A40 to be inherited by potassium minerals, a branching ratio of 0.113 is… Expand
Spectrophotometric Determination of Osmium in Osmium Hexafluoride Using Thiourea.
- K. J. Jensen
- 1 October 1965
Thermochemistry of molybdates IV. Standard enthalpy of formation of lithium molybdate, thermodynamic properties of the aqueous molybdate ion, and thermodynamic stabilities of the alkali-metal…
Abstract The enthalpy changes of the processes: Moo 3 +2 LiOH(aq , 0.2 mol dm −3 = Li 2 MoO 4 ( AQ )+ H 2 O(L) ; δH=−(18.54±0.04) kcal th mol −1 and Li 2 MoO 4 ( c )= Li 2 MoO 4 ( aq );… Expand
Esthesioneuroblastomas are malignant tumours, usually of slow, invasive growth and low metastatic rate. Skeletal destruction must be assumed to be common, but is often demonstrable only by… Expand