ALBERT

All Library Books, journals and Electronic Records Telegrafenberg

feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
  • 1
    Publication Date: 2024-01-22
    Description: The recently selected missions to Venus have opened a new era for the exploration of this planet. These missions will provide information about the chemistry of the atmosphere, the geomorphology, local-to-regional surface composition, and the rheology of the interior. One key scientific question to be addressed by these future missions is whether Venus remains volcanically active, and if so, how its volcanism is currently evolving. Hence, it is fundamental to analyze appropriate terrestrial analog sites for the study of possibly active volcanism on Venus. To this regard, we propose Mount Etna - one of the most active and monitored volcanoes on Earth - as a suitable terrestrial laboratory for remote and in-situ investigations to be performed by future missions to Venus. Being characterized by both effusive and explosive volcanic products, Mount Etna offers the opportunity to analyze multiple eruptive styles, both monitoring active volcanism and identifying the possible occurrence of pyroclastic activity on Venus. We directly compare Mount Etna with Idunn Mons, one of the most promising potentially active volcanoes of Venus. Despite the two structures show a different topography, they also show some interesting points of comparison, and in particular: a) comparable morpho-structural setting, since both volcanoes interact with a rift zone, and b) morphologically similar volcanic fields around both Mount Etna and Idunn Mons. Given its ease of access, we also propose Mount Etna as an analog site for laboratory spectroscopic studies to identify the signatures of unaltered volcanic deposits on Venus.
    Description: Published
    Description: 115959
    Description: OSV2: Complessità dei processi vulcanici: approcci multidisciplinari e multiparametrici
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
  • 2
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 31 (1975), S. 2843-2848 
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Journal of experimental and theoretical physics 84 (1997), S. 531-539 
    ISSN: 1090-6509
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We study the energy spectrum and some properties of various quadrupole centers (magnetic impurities or magnetic impurity complexes that are symmetric with respect to the magnetic sublattices of the antiferromagnet). We allow for the effect of spin-phonon coupling on the quadrupole splitting parameter and show that such coupling can lead to a considerable decrease in the value of this parameter and even change its sign. We investigate the behavior of quadrupole centers with an orbitally degenerate ground state and of quadrupole impurity complexes formed by mixed-valence ions. We demonstrate that such centers may greatly affect the resonant, magnetic, and thermodynamic properties of antiferromagnets. Finally, we analyze the existing experimental data and show that several new effects can be observed in systems with such centers (in particular, a magnetic analog of the Jahn-Teller effect and a strong magnetoelectric effect).
    Type of Medium: Electronic Resource
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
  • 4
    ISSN: 1562-6911
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Spectral and luminescent properties of mixed-ligand palladium(II) complexes—[PdBhq(μ-Cl)]2, [PdBhqEn]ClO4, and [PdBhqBpy]ClO4, where Bhq stands for the 7,8-benzoquinoline ion—were studied. The absorption spectra of these complexes in the 25000–40000-cm− range were found to have a number of spin-allowed transitions of the 1(π-π*) type involving orbitals of the 7,8-benzoquinoline ligand. The luminescent characteristics of these compounds in a glass-forming matrix at 77 K are primarily determined by the participation of the 3(π-π*) states of the 7,8-benzoquinoline ligand.
    Type of Medium: Electronic Resource
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Journal of superconductivity 4 (1991), S. 411-414 
    ISSN: 1572-9605
    Keywords: High-T c superconductor ; pinning ; equilibrium ; small oscillations
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: Abstract Equilibrium and small oscillations in the system of high-T c superconductor (SC) and permanent magnet (PM) are considered. A phenomenological theory based on the observed magnetization curves for SC is given. The measured forces and oscillation frequencies in the system of YBa2Cu3O7 superconductor and SmCo5 permanent magnet are compared with the theoretical predictions. Conclusions are made as to the possible applications for studying the SC properties of materials.
    Type of Medium: Electronic Resource
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
  • 6
    ISSN: 1434-601X
    Keywords: 23.40.Bw
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The role of the nucleon weak magnetism and pseudoscalar coupling interactions in the calculation of the 2β0v-decay of48Ca mediated by heavy Majorana neutrinos has been examined. The effect of a finite nucleon size has been taken into account by employing the phenomenological form factors and form factors calculated in the framework of the quark confinement model. By using the PCAC predictions it has been found that by taking into account these interactions the absolute values of the 2β0v-decay matrix elements of48Ca reduces considerably, which provides us with less stringent limits on the parameter of the non-conservation of the lepton charge.
    Type of Medium: Electronic Resource
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
  • 7
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 54 (1992), S. 349-356 
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We present a detailed description of semileptonic decays of baryonsΛ b 0 →Λ c + and∑ b + →∑ C ++ in the framework of the quark confinement model, which is a relativistic quark model based on definite asumptions about hadronization and confinement of light quarks. Weak form factors, decay rates and differential distributions of semileptonic decaysΛ b 0 →Λ c + and∑ b + →∑ c ++ are calculated. The heavy quark limitm Q →∞ (Isgur-Wise symmetry) is also examined.
    Type of Medium: Electronic Resource
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
  • 8
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 52 (1991), S. 149-158 
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Baryons as relativistic three-quark states are investigated in the quark confinement model (QCM), a relativistic quark model based on some assumptions about hadronization and quark confinement. In the framework of the quark-diquark approximation of the three-quark structure of baryons, the main characteristics of light (noncharmed) baryons are calculated. The obtained results agree with experimental data. Predictions are also given for semileptonic decay of charmed baryons and differential production cross-sections in quasielastic neutrino scattering of charmed baryons.
    Type of Medium: Electronic Resource
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
  • 9
    Electronic Resource
    Electronic Resource
    Springer
    General relativity and gravitation 31 (1999), S. 1431-1437 
    ISSN: 1572-9532
    Keywords: EMBEDDING INTO FLAT 12-SPACE
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract It is shown that an embedding of the generalrelativity 4-space into a flat 12-space gives a model ofgravitation with the global U(1)-symmetry and thediscrete D1-one. The last one may betransformed into the SU(2)-symmetry of the unified model,and the demand of independence of U(1) andSU(2)-transformations leads to the estimatesin2θmin = 0, 20 whereθmin is an analog of the Weinberg angle of thestandard model.
    Type of Medium: Electronic Resource
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Power technology and engineering 2 (1968), S. 691-697 
    ISSN: 1570-1468
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Conclusions 1. Turbine runner chambers manufactured from Mark St. 30 silicon steel are not cavitation-resistant, their repair requiring greater expenditure of labor and more frequent shut-down of the turbine. 2. Fish elevators of the double-shaft sluice type provide passage through the hydrocomplex on the average of 20–25 thousand fish of the sturgeon species per year. However, the effectiveness of this system has been insufficiently studied up to the present. 3. Operating experience has confirmed the reliability of reinforced-concrete gates for deep spillways and the advisability of their wider use. 4. Operating experience with improved hydrounits confirmed the advisability of new design solutions for separate assemblies and the high effectiveness of the forced air method of cooling the hydrogenerator.
    Type of Medium: Electronic Resource
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...