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Digitale Medien

Experimental research on specific volumes of rubidium and potassium vapors (1987)

Voljak, L. D. ; Nikitin, A. N. ; Stepanov, V. G.

Springer

International journal of thermophysics 8 (1987), S. 239-246

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ISSN: 1572-9567

Schlagwort(e): dosing device ; piezometer ; potassium ; PVT measurements ; rubidium ; specific volume ; superheated vapor

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract Results are reported of an experimental study of superheated rubidium vapor in the temperature range 1450–2000 K and pressure range 1.7–5.2 MPa and potassium in the range 1500–2100 K and 1.4–4.0 MPa. The experiments have been performed with an apparatus adaoted to implement a modified constant-volume piezometer technique, where the sensing element of a pressure transducer represented by a diaphragm is placed in a low-temperature zone. A dosing device is described which permits the performance of accurate measurements of the mass of the metal in the piezometer chamber. The present results are in good agreement with those reported by other investigators in the overlaping temperature and pressure ranges.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00515206

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Digitale Medien

Effect of insulin and prednisolone on transport of organic substances in the dog kidney (1978)

Bryukhanov, V. M. ; Nikitin, A. I.

Springer

Bulletin of experimental biology and medicine 86 (1978), S. 1621-1624

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ISSN: 1573-8221

Schlagwort(e): Insulin ; prednisolone ; glucose reabsorption ; tubular secretion ; excretion of sodium by the kidney

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Medizin

Notizen: Abstract In experiments on dogs a single injection of insulin in a dose of 1 unit/kg body weight caused an increase in the maximal reabsorption of glucose and secretion of diodone and reduced the excretion of sodium without any change in glomerular filtration. These effects depend on the direct action of insulin, for when it was injected directly into one of the renal arteries its action was manifested only in the kidney on the side of infusion. Prednisolone had no significant effect on glucose and diodone transport when given as a single injection (3–4 mg/kg) or over a period of 10 days (1.5–2 mg/kg daily).

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00801820

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