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  • 1
    Electronic Resource
    Electronic Resource
    Mechanism of postcoital contraception with a combination of steroids and the central M-cholinolytic benactyzine (1975)
    Springer
    Bulletin of experimental biology and medicine 80 (1975), S. 1221-1223 
    Details
    ISSN: 1573-8221
    Keywords: postcoital contraception ; tubal transport ; estrogens ; progestins ; benactyzine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Blocking central muscarinic (M-) cholinergic systems with benactyzine facilitates the manifestation of the contraceptive effect of estrogen norsteroids in early pregnancy in rats. This effect is connected with lowering of the gonadotropin level and a change in the ratio between follicle-stimulating and luteinizing hormones, interfering with implantation of the fertilized ovum in the endometrium. The rate of transport of the ovum along the fallopian tube and development of the decidual reaction are also changed. The change in rate of movement of the ovum is not accompanied by any disturbance of fertilization. The substances tested showed no cytotoxic action. The use of mestranol and ethinylestradiol in conjunction with norethinodrel and benactyzine may prove promising as a method of short-term contraception in the postcoital period.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00833167
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Experimental research on specific volumes of rubidium and potassium vapors (1987)
    Springer
    International journal of thermophysics 8 (1987), S. 239-246 
    Details
    ISSN: 1572-9567
    Keywords: dosing device ; piezometer ; potassium ; PVT measurements ; rubidium ; specific volume ; superheated vapor
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: 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.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00515206
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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