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Wyszukujesz frazę "Malec, K." wg kryterium: Autor

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Wyświetlanie 1-15 z 19
Tytuł:
Występowanie czerwców z rodzaju Physokermes (Hemiptera, Coccoidea) w Polsce i w Europie
The occurrence of genus Physokermes (Hemiptera, Coccoidea) in Poland and Europe
Autorzy:
Malec, M.
Golan, K.
Powiązania:
https://bibliotekanauki.pl/articles/2184894.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Tematy:
Polska
Europa
owady
czerwce
Coccoidea
szkodniki roslin
swierkowce
Physokermes
Physokermes hemicryphus
Physokermes piceae
Physokermes inopinatus
Physokermes hellenicus
wystepowanie
szkodliwosc
cykl zyciowy
rosliny zywicielskie
swierk
Źródło:
Annales Universitatis Mariae Curie-Skłodowska. Sectio EEE: Horticultura; 2015, 25, 2; 11-20
1233-2127
Pojawia się w:
Annales Universitatis Mariae Curie-Skłodowska. Sectio EEE: Horticultura
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Porownanie warunkow utrzymania koni w stajni stanowiskowej i boksowej
The comparison of horses conditions management in a standing and a box stall stable
Autorzy:
Bombik, T
Gorski, K.
Bombik, E.
Malec, B.
Powiązania:
https://bibliotekanauki.pl/articles/44695.pdf
Data publikacji:
2009
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
konie
utrzymanie zwierzat
systemy utrzymania zwierzat
utrzymanie boksowe
utrzymanie stanowiskowe
stajnie
warunki utrzymania zwierzat
mikroklimat
animal maintenance
maintenance condition
maintenance system
horse
stable
microclimate
Źródło:
Acta Scientiarum Polonorum. Zootechnica; 2009, 08, 1-2; 3-10
1644-0714
Pojawia się w:
Acta Scientiarum Polonorum. Zootechnica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ohmic contacts for room-temperature AlGaAs/GaAs quantum cascade lasers (QCL)
Autorzy:
Baranska, A
Szerling, A
Karbownik, P
Hejduk, K
Bugajski, M
Laszcz, A
Golaszewska-Malec, K
Filipowski, W
Powiązania:
https://bibliotekanauki.pl/articles/949413.pdf
Data publikacji:
2013
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
ohmic contacts
n-GaAs
CTLM
EDXS
TEM
Opis:
This paper reports on the results of optimization of the ohmic contacts for GaAs/AlGaAs quantum cascade lasers (QCLs). Technological parameters during the optimization procedure concerned time and temperature of thermal processing as also the ratio of metallic layers thickness. The main goal of this work was to obtain stable ohmic contacts with low resistance and a smooth surface. Circular transmission line method (CTLM) was applied for the electrical characterization of the Ni/AuGe/Ni/Au and AuGe/Ni/Au metallization systems. Transmission electron microscopy (TEM) method was used for the characterization of microstructures. Elements concentration in layers was determined by the energy dispersive X-ray spectroscopy (EDXS). The best results for the specific contacts resistivity, thermal stability and morphology were obtained when the Ni/AuGe/Ni/Au and the AuGe/Ni/Au systems were processed at 440 °C and 400 °C, respectively.
Źródło:
Optica Applicata; 2013, 43, 1; 5-15
0078-5466
1899-7015
Pojawia się w:
Optica Applicata
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nowa baza danych konodontowego wskażnika przeobrażeń termicznych (CAI)
Autorzy:
Malec, J.
Narkiewicz, K.
Powiązania:
https://bibliotekanauki.pl/articles/2065846.pdf
Data publikacji:
2005
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
bazy danych
wskaźnik przeobrażeń termicznych
konodonty
Źródło:
Przegląd Geologiczny; 2005, 53, 1; 33-37
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New Ecological Cast Bronzes for Fittings Manufactured from Recycled Waste
Autorzy:
Malec, Witold
Cwolek, Beata
Brudny, Anna
Juszczyk, Barbara
Kulasa, Joanna
Hury, Anna
Marek, W.
Stolorz, K.
Wróbel, D.
Filipowicz, A.
Powiązania:
https://bibliotekanauki.pl/articles/27314124.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
wastes
recycling
continuous casting
machining bronze
lead-free copper alloy
odpady
recykling
odlewanie ciągłe
obróbka brązu
bezołowiowy stop miedzi
Opis:
The article presents tests on a new lead-free bronze CuSn4Zn2PS, intended for fittings for contact with drinking water, in which the addition of lead was replaced with sulphur. The subject of the experimental work was the production of semi-finished products from this alloy based on the charge coming entirely from waste generated after machining. A specialized pilot line was used for the tests, and after cleaning, the waste was melted and then were continuously cast in the form of rods and hollow rods. The cleaning efficiency was assessed, and the manufactured semi-finished products were subjected to tests, including the assessment of the chemical and mechanical homogeneity and the structure of the test batch of the semi-finished casting products in terms of the possibility of manufacturing products meeting the requirements of technical specifications. The obtained results, both in terms of a stable chemical composition, homogeneous and reproducible mechanical properties, fully compliant with the specifications for fittings bronzes (CC499K), as well as the lack of faults of the obtained semi-finished products, despite a very large share of waste material, indicate the possibility of using the tested recycling method for the production of semi-products of sulphur bronze, which is an alloy that is relatively difficult to manufacture.
Źródło:
Archives of Foundry Engineering; 2023, 23, 1; 37--42
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Morphological and physiological characterization of the delta-psaL mutant of cyanobacterium Synechocystis PCC6803
Autorzy:
Klodawska, K.
Kis, M.
Malec, P.
Kovacs, L.
Gombos, Z.
Strzalka, K.
Powiązania:
https://bibliotekanauki.pl/articles/81106.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
Cyanoprokaryota
prokaryotic organism
photosynthesis
photosystem
thylakoid membrane
plastoquinone
plastocyanin
cytochrome C
biotic stress
abiotic stress
Synechocystis
delta-psaL mutant
physiological characteristics
morphological characteristics
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 3
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mechanizm zużycia powłoki eutektycznej otrzymanej metodą napawania z użyciem drutu proszkowego
Wear mechanism of eutectic coating obtained by welding method with use wire powder
Autorzy:
Paszeczko, M.
Dziedzic, K.
Malec, M.
Powiązania:
https://bibliotekanauki.pl/articles/395170.pdf
Data publikacji:
2010
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
powłoka eutektyczna
drut proszkowy
mechanizmy zużycia powłok
Opis:
W artykule omówiono mechanizm zużycia powłoki eutektycznej na bazie układu Fe-Mn-C-B-Si-Ni-Cr. Powłoki otrzymano metodą napawania łukowego w osłonie gazowej GMA z użyciem drutu proszkowego. Badanie przeprowadzono dla próbek z powłoką eutektyczną w układzie trzpień-tarcza podczas ruchu ślizgowego na sucho dla prędkości 0,4 m/s przy przyłożonym obciążeniu 3 MPa. Materiał przeciwpróbki stal C 45. Obserwowano typowe właściwości tribologiczne. Po tarciu strukturę i rozkład atomów na powierzchni powłoki eutektycznej badano z użyciem skaningowego mikroskopu elektronowego SEM. Wykazano, że mechanizm tarcia jest utleniający.
Tribological properties of eutectic coating based on Fe-Mn-C-B-Si-Ni-Cr system was studied. The coating were obtained by gas metal arc welding GMA with use of wire powder. Pin-on-disk dry sliding wear tests at sliding speeds 0,4 m/s and under load 3 MPa were conducted for pin specimens with eutectic coatings. Material of counter-sample was steel C 45. During frictions a typical tribological properties was observed. After friction structure and distribution of atoms in the eutectic coatings due to wear was studied by scanning electron microscopy (SEM).
Źródło:
Postępy Nauki i Techniki; 2010, 4; 130-135
2080-4075
Pojawia się w:
Postępy Nauki i Techniki
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Materials Technology for GaSb-Based optoelectronic Devices
Autorzy:
Piotrowska, A.
Kamińska, E.
Piotrowski, T. T.
Piskorski, M.
Guziewicz, M.
Papis, E.
Gołaszewska-Malec, K.
Kasjuniuk, S.
Powiązania:
https://bibliotekanauki.pl/articles/1952070.pdf
Data publikacji:
1996-11
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
73.40.Ns
81.05.Ea
81.40.-z
Opis:
A study is made of surface preparation, metallization, patterning and dielectric deposition with the aim of developing process technology for GaSb-based photonic devices.
Źródło:
Acta Physica Polonica A; 1996, 90, 5; 903-906
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Episkeletobionts of large rugose corals from the Middle Devonian mesophotic palaeoenvironment recorded in the Pokrzywianka Beds (Holy Cross Mountains, Poland)
Autorzy:
Zatoń, Michał
Malec, Jan
Wrzołek, Tomasz
Kubiszyn, Beata
Zapalski, Mikołaj K.
Powiązania:
https://bibliotekanauki.pl/articles/2185913.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
Epibionts
hard substrates
Palaeozoic
palaeoecology
Opis:
Organisms encrusting corals from a coral horizon encountered in a trench in the Middle Devonian (Givetian) Pokrzywianka Beds of the classic Grzegorzowice-Skały section in the Holy Cross Mountains, Poland, are described and analyzed in the context of their palaeoecological and palaeoenvironmental background. These episkeletobionts form rather a low-diversity community, dominated by microconchid tubeworms, crinoids, and tabulate corals. The last group, however, is especially diverse at the family level, represented by auloporids, alveolitids, coenitids and favositids. These episkeletobionts are considered to have developed in a low-light, lower mesophotic palaeoeonvironment, as evidenced by the presence of platy, alveolitid tabulate coral in the deposits studied. This microconchid-crinoid-tabulate-coral community differs from other Givetian communities from the Holy Cross Mountains (Laskowa and Miłoszów), which also are considered to have developed in low-light habitats. The differences in taxonomic composition of episkeletobionts between these three localities most probably resulted from specific local conditions, related to bathymetry (light levels, nutrient levels), the specific nature of the hosts/substrates occupied, and also differences in larval dispersal patterns. This, in turn, shows that various encrusting communities may have inhabited seemingly similar, marine habitats within a given time interval and neighbouring areas, which may have serious implications for large-scale comparisons of biodiversity within a given palaeoenvironment.
Źródło:
Annales Societatis Geologorum Poloniae; 2022, 92, 4; 465--484
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Development of Process Conditions for the Preparation of Copper Alloys Post-Production Chips for the Continuous Casting Process
Autorzy:
Malec, Witold
Cwolek, Beata
Brudny, Anna
Kulasa, Joanna
Marek, W.
Stolorz, K.
Wróbel, D.
Filipowicz, A.
Powiązania:
https://bibliotekanauki.pl/articles/27314152.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
waste
recycling
bronze
moisture of waste
continuous casting
odpady poprodukcyjne
recykling
brąz
wilgotność odpadów
odlewanie ciągłe
Opis:
The paper presents the results of research aimed at developing assumptions for the preparation of a charge in the form of fine scrap copper alloys (chips/shells) guaranteeing effective removal of impurities and obtaining a metal bath of the required metallurgical quality. The tests were conducted for tin-zinc-lead bronze of the CC499K grade. As part of the work, the characteristics of this type of waste available on the market were made in terms of quality and the possibility of their use for the production of both alloys and finished products, taking into account the elimination of harmful impurities that may ultimately affect the production process adversely. The subject of the work was the selection of appropriate waste cleaning methods in the form of an oily shell in the CC499K (CuZn5Sn5Pb2) grade and its drying in terms of increasing the use of impure waste from machining as scrap for direct melting. The waste was assessed in relation to individual parameters. The research was carried out on 3 groups of waste, with varying degrees of moisture.
Źródło:
Archives of Foundry Engineering; 2023, 23, 2; 43--50
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Detection of radiation treatment of dry plant extracts by thermoluminescence and pulsed photostimulated luminescence. Comparative study
Autorzy:
Lehner, K.
Malec-Czechowska, K.
Stachowicz, W.
Guzik, G.
Powiązania:
https://bibliotekanauki.pl/articles/148034.pdf
Data publikacji:
2009
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
plant extract
detection
irradiation
thermoluminescence
photostimulated luminescence
Opis:
Results of the examination of the variety of dry plant extracts (Thyme extract, Celery seed extract, Artichoke extract, Citrus aurantium extract and others) by two different detection methods are described. Both PSL and TL methods are presented and discussed. Comparative study based on the analysis of the results obtained by thermoluminescence (TL) and photostimulated luminescence (PSL) measurements delivered the arguments that preselection of detection methods based on model studies is rational to be adapted in analytical laboratories specialized in the detection of irradiated foods.
Źródło:
Nukleonika; 2009, 54, 2; 99-105
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Detection of irradiated components in flavour blends composed of non-irradiated spices, herbs and vegetable seasonings by thermoluminescence method
Autorzy:
Malec-Czechowska, K.
Stachowicz, W.
Powiązania:
https://bibliotekanauki.pl/articles/148473.pdf
Data publikacji:
2003
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
detection
irradiated foods
blends
thermoluminescence
Opis:
The results of experiments on the detection of irradiated component in commercial flavour blends composed of a mixture of non-irradiated spices, herbs and seasonings are presented. A method based on the thermoluminescence measurements on silicate minerals isolated from blends has been adapted. It has been proved that by applying this technique it is possible to detect 0.05% by weight of paprika, irradiated earlier with a dose of 7 kGy, which was a minor component of nonirradiated flavour blends.
Źródło:
Nukleonika; 2003, 48, 3; 127-132
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Detecting Security Violations Based on Multilayered Event Log Processing
Autorzy:
Malec, P.
Piwowar, M.
Kozakiewicz, A.
Lasota, K.
Powiązania:
https://bibliotekanauki.pl/articles/307710.pdf
Data publikacji:
2015
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
HIDS
log analysis
NIDS
syslog
Opis:
The article proposes a log analysis approach to detection of security violations, based on a four layer design. First layer, named the event source layer, describes sources of information that can be used for misuse investigation. Transport layer represents the method of collecting event data, preserving it in the form of logs and passing it to another layer, called the analysis layer. This third layer is responsible for analyzing the logs' content, picking relevant information and generating security alerts. Last layer, called normalization layer, is custom software which normalizes and correlates produced alerts to raise notice on more complex attacks. Logs from remote hosts are collected by using rsyslog software and OSSEC HIDS with custom decoders and rules is used on a central log server for log analysis. A novel method of handling OSSEC HIDS alerts by their normalization and correlation is proposed. The output can be optionally suppressed to protect the system against alarm flood and reduce the count of messages transmitted in the network.
Źródło:
Journal of Telecommunications and Information Technology; 2015, 4; 30-36
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Characterization of Al2O3/4H-SiC and Al2O3/SiO2/4H-SiC MOS structures
Autorzy:
Taube, A.
Guziewicz, M.
Kosiel, K.
Gołaszewska-Malec, K.
Król, K.
Kruszka, R.
Kamińska, E.
Piotrowska, A.
Powiązania:
https://bibliotekanauki.pl/articles/953063.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
aluminum oxide
MOS
silicon carbide
4H-SiC
high-K dielectrics
tlenek glinu
węglik krzemu
dielektryki high-k
Opis:
The paper presents the results of characterization of MOS structures with aluminum oxide layer deposited by ALD method on silicon carbide substrates. The effect of the application of thin SiO2 buffer layer on the electrical properties of the MOS structures with Al2O3 layer has been examined. Critical electric field values at the level of 7.5–8 MV/cm were obtained. The use of 5 nm thick SiO2 buffer layer caused a decrease in the leakage current of the gate by more than two decade of magnitude. Evaluated density of trap states near the conduction band of silicon carbide in Al2O3/4H-SiC MOS is about of 1×1013 eV−1cm−2. In contrast, the density of the trap states in the Al2O3/SiO2/4H-SiC structure is lower about of one decade of magnitude i.e. 1×1012 eV−1cm−2. A remarkable change in the MOS structure is also a decrease of density of electron traps located deeply in the 4H-SiC conduction band below detection limit due to using of the SiO2 buffer layer.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2016, 64, 3; 537-551
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Arabidopsis cyclin-dependent kinase gene CDKG;2 is involved in organogenic responses induced in vitro
Autorzy:
Zabicki, P.
Kuta, E.
Tuleja, M.
Rataj, K.
Malec, P.
Powiązania:
https://bibliotekanauki.pl/articles/19848.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Opis:
The Arabidopsis CDKG;2 gene encodes a putative cyclin-dependent Ser/Thr protein kinase of unknown biological function. This gene shows structural similarity to animal and human cyclin-dependent (PITSLRE) kinases. This study used the homozygous knockout cdkg;2 mutant based on T-DNA insertional line SALK_090262 to study the effect of mutation of the CDKG;2 gene on explant response and in vitro plant regeneration. For callus induction and proliferation, hypocotyls and cotyledons of 3-day-old seedlings of cdkg;2 and A. thaliana ecotype Col-0 were cultured on solid MS medium supplemented with 2,4-D (2 mg l-1). Organogenesis was induced after callus transfer on MS + TDZ (0.5 mg l-1). The initiation time of callus and shoot induction differed between the mutant and control cultures. Shoot regeneration after callus transfer on MS + TDZ was delayed in cdkg;2 (31 days versus 7 days in Col- 0). Shoots formed on callus derived from Col-0 hypocotyls but not on cotyledon-derived callus; in cdkg;2, shoots developed on both callus types. Mutant shoots did not form roots, regenerants were dwarfed, and inflorescences had small bud-like flowers with a reduced corolla and generative organs. Abnormalities observed during cdkg;2 organogenesis suggest a role of CDKG;2 as a regulator of adventitious root initiation.
Źródło:
Acta Biologica Cracoviensia. Series Botanica; 2013, 55, 1
0001-5296
Pojawia się w:
Acta Biologica Cracoviensia. Series Botanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 19

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