Zobrazeno 1 - 10
of 68
pro vyhledávání: '"P. Shipkovs"'
Autor:
I. Pelece, P. Shipkovs
Publikováno v:
Latvian Journal of Physics and Technical Sciences, Vol 53, Iss 3, Pp 11-21 (2016)
Solar energy is used not only at low latitudes, where it is available at large amounts, but also at higher latitudes, where height of sun and irradiance are significantly lower. On the other hand, the length of day at higher latitudes is longer in su
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::853c87dce2126268a5b1ff47fc6730ff
https://doi.org/10.1515/lpts-2016-0017
https://doi.org/10.1515/lpts-2016-0017
Publikováno v:
Latvian Journal of Physics and Technical Sciences, Vol 52, Iss 1, Pp 38-51 (2015)
As known, many multi-purpose plants can be used in different industries. This research is focused on the possibilities to utilize hemp as feedstock for thermal insulation products. The most advantageous features of hemp insulation are associated with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37ad7e84f0dc2be83be20ff7160551d2
https://doi.org/10.1515/lpts-2015-0004
https://doi.org/10.1515/lpts-2015-0004
Autor:
P. Shipkovs, Ruslans Smigins
Publikováno v:
Latvian Journal of Physics and Technical Sciences, Vol 51, Iss 1, Pp 32-43 (2014)
During the last 10 years biofuel production and utilization in the European Union have become more extensive owing to support provided by the relevant EU Directives. Achievement of the main targets defined by Directives was not simple, being confront
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c5ef376831ae2e2b09bacdbcb464576c
https://doi.org/10.2478/lpts-2014-0004
https://doi.org/10.2478/lpts-2014-0004
Publikováno v:
Latvian Journal of Physics and Technical Sciences, Vol 50, Iss 4, Pp 62-73 (2013)
Concentration measurements are important in bioethanol industries, in the R&D areas, for chemical, medical and microbiological analyses and processing as well as for diagnostics, manufacturing, etc. The overview shows development of the structural de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1e298160a65cecf39af779e067f2a34f
https://doi.org/10.2478/lpts-2013-0027
https://doi.org/10.2478/lpts-2013-0027
Publikováno v:
Latvian Journal of Physics and Technical Sciences. 50:33-41
In the work, the temperature field model is developed for the absorber of a round-pipe collector. As distinguished from previous models when the temperature of liquid was assumed to be constant over the entire pipe crosssection, the results obtained
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bef0225378e5969f30670af832de9abf
https://doi.org/10.2478/lpts-2013-0010
https://doi.org/10.2478/lpts-2013-0010
Autor:
G. Shlihta, L. Gerca, V. Grehovs, Modris Roze, P. Shipkovs, J. Kalnachs, G. Rozite, Anastasija Ivanova, I. Kaulachs, Inta Muzikante
Publikováno v:
Chemical Physics. 405:46-51
The bulk heterojunction approach appears to be one of the most promising concepts of creating efficient, low cost and easily producible organic solar cells. For this purpose one of the best materials was regioregular poly-3-hexylthiophene (P3HT), whi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f45cd42933ad70ec4bfb321d33f4b182
https://doi.org/10.1016/j.chemphys.2012.06.007
https://doi.org/10.1016/j.chemphys.2012.06.007
Autor:
Modris Roze, G. Shlihta, J. Kalnachs, V. Kampars, Andrey Tokmakov, L. Gerca, Māra Plotniece, P. Shipkovs, I. Kaulach, Inta Muzikante
Publikováno v:
The European Physical Journal Applied Physics. 40:169-173
An attempt was made to widen the photosensitivity spectral range of poly(3-hexylthiophene)-fullerene blend by adding an extra electron donor — a newly synthesized soluble phthalocyanine derivative (SnClPc) having the electron absorption band at 708
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab58def2efbc681619535c498186a8b5
https://doi.org/10.1051/epjap:2007147
https://doi.org/10.1051/epjap:2007147
Publikováno v:
First European Biomedical Engineering Conference for Young Investigators ISBN: 9789812875723
Compact device of high sensitivity for measurement of the refractive indices of both stationary and flowing liquids has been developed. This device can be used to analyse a variety of biomedical liquids: urine, serum protein. The refractive index (RI
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0bc7b08dd30b15d21ac590212a40566d
https://doi.org/10.1007/978-981-287-573-0_4
https://doi.org/10.1007/978-981-287-573-0_4
Publikováno v:
Renewable Energy. 16:1241-1244
Analysis of Latvian energy sector development in the last years (1990–1996) shows that it is a positive tendency - increasing role of the local and renewable energy resources in the energy balance of Latvia. Increasing utilization of biomass, wind
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bfa8141324f9fa91d1bf7c75f97ca25c
https://doi.org/10.1016/s0960-1481(98)00510-2
https://doi.org/10.1016/s0960-1481(98)00510-2
Autor:
Shipkovs, Peteris, Snegirjovs, Andrejs, Shipkovs, Janis, Kashkarova, Galina, Lebedeva, Kristina, Migla, Lana
Publikováno v:
Energy Procedia; 2015, Vol. 70, p510-517, 8p