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  • 2020-2023  (4)
  • 1985-1989  (71)
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  • 1
    Online Resource
    Online Resource
    Sc, y, la-Lu. Rare Earth Elements : Compounds with Boron. (1989)
    Berlin, Heidelberg :Springer Berlin / Heidelberg,
    Details
    Keywords: Chemical elements. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (289 pages)
    Edition: 8th ed.
    ISBN: 9783662075036
    Series Statement: Gmelin Handbook of Inorganic and Organometallic Chemistry - 8th Edition Series ; v.S-c... / C / 11 / a
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=6556341
    DDC: 540
    Language: English
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    GEOMAR EBL
  • 2
    Online Resource
    Online Resource
    Determinantal Rings (1988)
    Berlin, Heidelberg : Springer Berlin Heidelberg
    Details Availability
    Keywords: Mathematics ; Group theory ; Topological Groups ; Lie groups. ; Topological Groups, Lie Groups ; Group Theory and Generalizations ; Mathematics ; Determinantenring
    Description / Table of Contents: Determinantal rings and varieties have been a central topic of commutative algebra and algebraic geometry. Their study has attracted many prominent researchers and has motivated the creation of theories which may now be considered part of general commutative ring theory. The book gives a first coherent treatment of the structure of determinantal rings. The main approach is via the theory of algebras with straightening law. This approach suggest (and is simplified by) the simultaneous treatment of the Schubert subvarieties of Grassmannian. Other methods have not been neglected, however. Principal radical systems are discussed in detail, and one section is devoted to each of invariant and representation theory. While the book is primarily a research monograph, it serves also as a reference source and the reader requires only the basics of commutative algebra together with some supplementary material found in the appendix. The text may be useful for seminars following a course in commutative ring theory since a vast number of notions, results, and techniques can be illustrated significantly by applying them to determinantal rings
    Type of Medium: Online Resource
    Pages: Online-Ressource (VIII, 240 p, online resource)
    ISBN: 9783540392743 , 9783540194682
    Series Statement: Lecture Notes in Mathematics 1327
    URL: https://doi.org/10.1007/BFb0080378
    URL: http://dx.doi.org/10.1007/BFb0080378
    URL: https://swbplus.bsz-bw.de/bsz404655432cov.jpg
    URL: https://zbmath.org/?q=an:0673.13006
    URL: http://d-nb.info/880673214/04
    DOI: 10.1007/BFb0080378
    RVK:
    SI 850
    Language: English
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  • 3
    Electronic Resource
    Electronic Resource
    Primary aldosteronism by carcinoma of the adrenal cortex (1987)
    Springer
    Journal of molecular medicine 65 (1987), S. 428-432 
    Details
    ISSN: 1432-1440
    Keywords: Rare cause of primary aldosteronism ; Hypokalemic hypertension ; Diagnostic procedure ; Treatment of malignant adrenal disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A 58-year-old white woman with hypertension and severe hypokalemia was found to have a carcinoma of the left adrenal gland. Plasma renin activity was constantly under the normal limit, while plasma aldosterone levels were pathologically elevated. Plasma cortisol (8:00 a.m.) and excretion rates of urinary free cortisol were within the normal range. After an adrenalectomy, relapsing excessive aldosterone secretion was successfully treated with opDDD (Lysodrene). Ten months after the diagnosis was established, the patient died from a bleeding liver metastasis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01715766
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Minoxidil and captopril in severe hypertension (1986)
    Springer
    Journal of molecular medicine 64 (1986), S. 327-332 
    Details
    ISSN: 1432-1440
    Keywords: Severe hypertension ; Minoxidil ; Captopril
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The antihypertensive efficacy of minoxidil and captopril was compared in 23 males with essential or renal parenchymatous hypertension refractory to conventional antihypertensive drug therapy. Following a pretreatment period the patients were randomly assigned to receive either minoxidil, 2.5 mg twice daily (n=12), or captopril, 25 mg twice daily (n=11). In patients with diastolic blood pressure 〉95 mmHg, doses of minoxidil and captopril were increased in 2-week intervals. Patients who maintained diastolic pressure 〉95 mmHg and/or those with intolerable side effects were switched over to the alternative substance. After a mean observation period of 12 weeks a significant decrease in systolic and diastolic blood pressure was observed (179/114 vs 148/92 mmHg in the minoxidil group; 176/111 vs 158/97 mmHg in the captopril group). The primary response rate was 75% in patients treated with minoxidil and 55% in those with captopril (not significant). After the change to the alternative substance two of the four non-responders on captopril and one of the two non-responders on minoxidil became responders. Side effects occurred significantly more often during minoxidil than captopril (p〈0.05). The high efficacy of minoxidil and captopril in the treatment of severe hypertension refractory to conventional drugs was confirmed. Minoxidil lowered blood pressure slightly more than captopril, but it had a higher incidence of side effects than captopril.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01711952
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  • 5
    Electronic Resource
    Electronic Resource
    Captopril before and after spironolactone therapy in primary aldosteronism (1985)
    Springer
    Journal of molecular medicine 63 (1985), S. 361-363 
    Details
    ISSN: 1432-1440
    Keywords: Primary aldosteronism ; Captopril ; Spironolactone ; Renin-angiotensin ; Converting-enzyme ; Secondary hypertension
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In three patients with primary aldosteronism, the acute effect of a single dose of captopril on the elevated mean arterial blood pressure (MAP) was studied before and after 4 weeks of treatment with spironolactone. Before spironolactone therapy, captopril did not cause any drop in MAP. Four weeks later, after an oral daily dose of 400 mg spironolactone, MAP was still elevated in all three patients, though electrolyte abnormalities were fully corrected. Since plasma renin activity (PRA) was increased to values above the normal range, the acute effect of captopril on MAP was tested again. A single dose of 25 mg captopril then caused a fall in MAP to normal. These data reveal the conversion from a renin-independent to a renindependent kind of hypertension after spironolactone therapy in three patients with primary aldosteronism syndrome. This might be of pathogenetic and therapeutic interest.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01731655
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Atenolol versus pindolol: Side-effects in hypertension (1985)
    Springer
    European journal of clinical pharmacology 28 (1985), S. 89-91 
    Details
    ISSN: 1432-1041
    Keywords: atenolol ; pindolol ; sleep disturbance ; β-blockers ; dreaming ; fatigue ; hypertension ; lipophilicity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary This randomized crossover out-patient study was designed to compare the antihypertensive effects of atenolol and pindolol. After a wash-out period of two weeks in pretreated cases, 107 patients with essential hypertension were given either atenolol 100 mg once-daily or pindolol 20 mg slow release (SR) once-daily. Both atenolol and pindolol lowered blood pressure over the 24 week period. The diastolic blood pressure reduction was significantly greater (p〈0.01) with atenolol than with pindolol. Before β-blocker therapy, many patients had already experienced side-effects such as fatigue, sleep disturbances and dreams. This probably relates to the high sensitivity of the analogue scale used to assess side-effects, and to the high incidence of such symptoms in untreated patients. As the study progressed there was a reduction in the frequency of fatigue (p〈0.03) and dreams (p〈0.05) in both groups, whereas sleep disturbances significantly increased under pindolol (p〈0.05) but decreased under atenolol (p〈0.05). The only important side-effect difference between the two β-blockers was the higher incidence of sleep disturbances with pindolol which may be due to the higher lipophilicity of this β-blocker.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00543717
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    VERTICAL HETEROGENEITY AND MOVEOUT IN THE ONE-DIMENSIONAL MEDIUM (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Geophysical prospecting 35 (1987), S. 0 
    Details
    ISSN: 1365-2478
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Physics
    Notes: Since the important contributions of Dürbaum and Dix, 30 years ago, velocity profile estimation procedures on horizontally layered and vertically heterogeneous media from seismic probing data have been based largely on hyperbolic moveout models and RMS and stacking velocity concepts. Re-examination of the fundamentals reveals that quantitative velocity heterogeneity and canonical valocity profiles have been implicit factors for moveout modelling and for profile inversion in the use of the Dix procedure. Heterogeneity h is the ratio (and vRMS the geometric or harmonic mean) of the path-average and time-average velocities for a raypath or, in a more restricted sense, for the normal ray belonging to a velocity profile. The canonical profile for a given velocity profile or profile segment is a moveout-equivalent monotonically increasing ramp-like profile.The ramp or constant gradient in depth is the simplest velocity profile approximator which can explicitly accommodate velocity heterogeneity. A ramp model structure is detailed which facilitates moveout simulation and model parameter estimation, and the parametric effects are explored. The horizontal offset range is quantified for which this model can give good moveout approximations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2478.1987.tb00845.x
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Flux-creep-limited critical currents in YBa2Cu3O7−δ ceramics (1989)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 55 (1989), S. 1135-1137 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Critical currents of YBa2Cu3O7−δ bulk-sintered samples were measured at and above 77 K in the presence of magnetic fields. In moderate magnetic fields a H−n dependence with n〈1 was observed. Transport measurements give n(approximately-equal-to)0.5, indicating that critical currents are limited by flux creep rather than by field quenching of Josephson junctions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.102459
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Pulse radiolysis equipment: A setup for simultaneous multiwavelength kinetic spectroscopy (1987)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 58 (1987), S. 363-368 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A setup for pulse radiolysis experiments is described consisting of the following main components: an array of 15 photomultipliers attached to a spectrograph (allowing 4032 spectra to be recorded with a time resolution of 500 ns per spectrum), self-regulating high-voltage supply for the photomultipliers, computer-controlled solution mixing and dispensing system, and provisions for continuous dose variation of the FEBETRON-accelerator electron beam. The general performance of the system is discussed and construction or electronic details are given for special components.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1139289
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  • 10
    Electronic Resource
    Electronic Resource
    Biochemical Analysis of Bone Compacta in Osteogenesis Imperfecta (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 543 (1988), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1988.tb55322.x
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