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pro vyhledávání: '"Daniel Wichmann"'
In recent years various EU/EEA countries have experienced an influx of migrants from low and middle income countries. In 2018, the “Vaccine European New Integrated Collaboration Effort (VENICE)” survey group conducted a survey among 30 EU/EEA cou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______2127::678f6e0de7c5ae73c35404c01e970f11
https://pergamos.lib.uoa.gr/uoa/dl/object/uoadl:3185272
https://pergamos.lib.uoa.gr/uoa/dl/object/uoadl:3185272
Autor:
Volker Naumann, Daniel Wichmann, Torsten Geppert, Hans-Joachim Krokoszinski, Martina Werner, Christian Hagendorf, Stephan Großer
Publikováno v:
Energy Procedia. 55:498-503
Potential-induced degradation (PID) is characterized by the power loss of solar modules under high voltage stress across the module layer stack between framing/glass surface and solar cells. Standard silicon solar cells with a front side emitter may
Publikováno v:
Mobile Networks and Applications. 17:365-375
Following the mobile computing trend, business logics of distributed, cooperative applications started to move into the mobile client applications. With this shift, the cooperation aspect may also exploit the user's location and situation context and
Publikováno v:
Energy Procedia. 8:82-87
Silicon solar cells are prone to transient effects during fast acquisition of the illuminated IV parameters, as it is commonly carried out using industrial cell testers. It is known that the IV curve sweep time and direction have a significant impact
Publikováno v:
ECS Transactions. 26:505-515
Within the scope of a German cooperative project a consortium with partners from industry and academia develops a Reformed Methanol Fuel Cell System (RMFC) on the basis of a HT-PEM fuel cell with an electric power output of 30 W. The fuel cell system
Publikováno v:
itit. 51:72-78
Mobility has become an important part of our daily life, but caused by numerous challenges the development of mobile applications in the sense of location-aware applications for mobile devices is complex and time-consuming. To overcome the challenges
Autor:
Karl Jug, Daniel Wichmann
Publikováno v:
Journal of Computational Chemistry. 21:1549-1553
The study of silsesquioxanes with MSINDO is extended to large Si2nO3nH2n compounds with n = 36, 42, 48, 72, 96, and 120. It is demonstrated that these compounds can have a tube-like shape, and can be considered as prestages of nanotubes. © 2000 John
Autor:
Karl Jug, Daniel Wichmann and
Publikováno v:
The Journal of Physical Chemistry B. 103:10087-10091
Hydridosilsesquioxanes SinO3n/2Hn, with n = 4−36, 48, 60, were studied with the semiempirical method MSINDO, a recently presented modification of SINDO1. Within this scheme we calculated the cage structures of these molecules with special focus on
Autor:
Karl Jug, Daniel Wichmann
Publikováno v:
Chemical Physics. 236:87-96
The perchlorodisiloxane Si 2 OCl 6 is studied ab initio with a series of basis sets and inclusion of electron correlation at the MP2 level. The molecular structure was investigated with special focus on the sensitive SiOSi angle and compared with exp
Autor:
Daniel Wichmann, Karl Jug
Publikováno v:
Journal of Molecular Structure: THEOCHEM. :365-379
The growth pattern of chlorosiloxanes SinOnClm was studied with respect to increasing, decreasing and constant ratio of n′n. The relative stability of isomers was determined with the SINDO1 method. The calculations allow us to draw conclusions abou