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Tytuł:
Analysis of positioning error and its impact on high frequency properties of differential signal coupler
Autorzy:
Zmuda, M.
Szczepański, S.
Kozieł, S.
Powiązania:
https://bibliotekanauki.pl/articles/200709.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
high speed data transmission monitoring
coupler positioning accuracy
manufacturing of coupling structures
monitoring wysokiej prędkości transmisji danych
dokładność pozycjonowania
produkcja konstrukcji sprzęgła
Opis:
This paper presents the analysis of the effect of differential signal coupler positioning accuracy on its high frequency performance parameters for contact-less high speed chip-to-chip data transmission on PCB application. Our considerations are continuation of the previous works on differential signal coupler concept, design methodology and analysis for high speed data transmission monitoring. The theoretical analysis of possible coupler positioning innaccuracies is extended for representative design cases by simulations carried out using EM simulator. The results reported here confirm that the concept of contactless monitoring of high speed chip-to-chip data transmission in a pair of coupled microstrip lines is of practically usefulness without applying the expensive and precise positioning system.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2015, 63, 2; 549-553
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Energy consumption estimation of non-pneumatic tire and pneumatic tire during rolling
Autorzy:
Jackowski, J.
Wieczorek, M.
Żmuda, M.
Powiązania:
https://bibliotekanauki.pl/articles/243543.pdf
Data publikacji:
2018
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
non-pneumatic tire
NPT
airless tire
resilient tire
pneumatic tire
special wheel
rolling resistance
energy consumption during rolling
opona niepneumatyczna
opona bezpowietrzna
opona sprężysta
opona pneumatyczna
opory toczenia
zużycie energii podczas walcowania
Opis:
The characteristics of the car tire, and especially its deformation and interaction road, are mainly factors affected the energy consumption of the vehicle and consequently the amount of fuel consumption and emissions to the environment the harmful exhaust gas components. It is estimated that approximately 80-90% of the total energy losses (rolling resistance) are due to internal tire friction, which occurs during its deformation, the remaining 10-20% are ventilation losses, tread face interaction with the road surface and cyclical compression and expansion of air enclosed in the tire. Non-pneumatic tires (NPT) (as a direction of development) are the alternative solutions for conventional tires. Their advantages are as follows maintenance-free and the resistance to typical for pneumatic tires mechanical damages can be a major cause of their widespread use in future (and thus electric) cars. In the available publications, the results of the estimation of the features NPT based on numerical simulations are only presented. There is lack of experimental research results concerning real objects, which determine their driving properties. Presented work is an attempt to check how the change in wheel structure affects the energy consumption of rolling wheels. Research objects (non-pneumatic tire and pneumatic tire) were selected for the size and destination compatibility. Experimental research were carried out at a universal quasi-static tire testing station, which is located at the Institute of Mechanical Vehicles and Transport at the Department of Mechanical at the Military University of Technology. According to the authors, the obtained results can be an interesting and unique supplement to the problem of assessing the properties of new and future (non-pneumatic tire) construction of vehicle wheels.
Źródło:
Journal of KONES; 2018, 25, 1; 159-168
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of a Java-Based Framework to Parallel Simulation of Large-Scale Systems
Autorzy:
Niewiadomska-Szynkiewicz, E.
Żmuda, M.
Malinowski, K.
Powiązania:
https://bibliotekanauki.pl/articles/908095.pdf
Data publikacji:
2003
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
informatyka
parallel computations
simulation
large-scale systems
computer systems
computer-aided system design
Opis:
Large-scale systems, such as computer and telecommunication networks, complex control systems and many others, operate in inherently parallel environments. It follows that there are many opportunities to admit parallelism into both the algorithm of control implementation and simulation of the system operation considered. The paper addresses issues associated with the application of parallel discrete event simulation (PDES). We discuss the PDES terminology and methodology. Particular attention is paid to the software environment CSA&S/PV (Complex Systems Analysis & Simulation-Parallel Version), which provides a framework for simulation experiments performed on parallel computers. CSA&S/PV was applied to investigate several real-life problems. The case studies are presented for both computer and water networks.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2003, 13, 4; 537-547
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The contact-less method of chip-to-chip high speed data transmission monitoring
Autorzy:
Zmuda, M.
Szczepański, S.
Kozieł, S.
Graczyk, S.
Powiązania:
https://bibliotekanauki.pl/articles/202115.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
high speed data transmission monitoring
microstrip coupler
connector-less transmission monitoring
time-domain measurement
Opis:
This paper presents a technique of decoupling differential signals transmitted in a pair of microstrip lines on a printed circuit board (PCB), using dedicated coupler for high speed data transmission monitoring in chip-to-chip interconnections. The coupler used for signal probing is overlayed on the pair of microstrip lines under test, and provides a signal to the next blocks of the measurement system without disturbing transmission in the lines. Starting from the basic configuration obtained in the previous work, we describe a procedure of re-designing the coupler for enhanced directivity so that it is suitable for high-speed data transmission monitoring. The new coupler structure has improved topology based on stepped-impedance resonators with geometry parameters adjusted using numerical optimization techniques. The correctness of the design has been confirmed by the time-domain measurements performed for real chip-to-chip communication signals, using a dedicated measurement system based on Xilinx Virtex-6 FPGA Development Kit. The presented technology can be used for reducing the cost of the product diagnostics by eliminating dedicated measurement connectors, run-time system debugging or reverse engineering.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2014, 62, 1; 61-68
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Uczestnictwo w fitness klubach i siłowniach jako jeden z elementów zdrowego stylu życia mieszkańców Krakowa
Participation in fitness clubs and gyms as an element of a healthy lifestyle for the residents of Krakow
Autorzy:
Zmuda-Palka, M.
Siwek, M.
Powiązania:
https://bibliotekanauki.pl/articles/1202388.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Humanistyczno-Przyrodniczy im. Jana Długosza w Częstochowie. Wydawnictwo Uczelniane
Tematy:
Krakow
mieszkancy miast
styl zycia
zdrowie czlowieka
fitness
kluby fitness
uczestnictwo
silownie
Cracow
residents of cities
lifestyle
human health
Fitness
fitness clubs
participation
gyms
Opis:
The 21st century is the epoch of taking care of one’s appearance, healthy lifestyle and improving the quality of life. “Body cult” has become a global trend, and prohealth behaviors have come to be treated as a new lifestyle, which consists in resignation of traditional forms of spend-ing free time with friends, in favour of isolated and individualised time management outside work. The modern prohealth lifestyle subsequently results in development of the market associ-ated with the sports and recreational industry, including fitness clubs and gyms. The objective of the article is an assessment of fitness clubs and gyms in the city of Krakow. The first part describes the “health industry”. The lifestyle is characterized in the second one. The third one presents Krakow as a city that is constantly developing, and the fourth part lists the offer of services available to residents of Krakow in selected fitness clubs and gyms.
XXI wiek to epoka dbania o wygląd, starania o zdrowy tryb życia i poprawę jakości życia. „Kult ciała” stał się globalnym trendem, a zachowania prozdrowotne zaczęto traktować jako no-wy styl życia, który polega na odchodzeniu od tradycyjnych form spędzania czasu wolnego ze znajomymi, na rzecz odosobnionego i zindywidualizowanego gospodarowania czasem poza pra-cą. Współczesny prozdrowotny styl życia powoduje, że rynek związany z branżą sportową i re-kreacyjną rozwija się, pojawiają się nowe obiekty, w tym fitness kluby i siłownie. Celem pracy była diagnoza krakowskich fitness klubów i siłowni na terenie miasta Krakowa. W pierwszej części opisano „przemysł zdrowotny”. Następnie scharakteryzowano styl życia. W trzeciej przybli-żono Kraków jako miasto rozwijające się. W czwartej natomiast ukazano ofertę usług dostępnych dla mieszkańców Krakowa w wybranych fitness klubach i siłowniach.
Źródło:
Sport i Turystyka. Środkowoeuropejskie Czasopismo Naukowe; 2018, 1, 2; 67-78
2545-3211
Pojawia się w:
Sport i Turystyka. Środkowoeuropejskie Czasopismo Naukowe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Species composition of arthropods on six understory plant species growing in high and low light conditions
Autorzy:
Karolewski, P.
Lukowski, A.
Adamczyk, D.
Zmuda, M.
Giertych, M.J.
Maderek, E.
Powiązania:
https://bibliotekanauki.pl/articles/2078197.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
Cornus sanguinea
Corylus avellane
Frangula alnus
Prunus padus
Prunus serotine
Sambucus nigra
Opis:
The quality of leaves as food for insects is affected both by plant species and the light conditions present during growth. Little information exists concerning the impact of these factors on the diversity of insects that live in the forest understory. We studied arthropod fauna on six understory plant species commonly occurring in Europe. Different groups of herbivorous insects were identified, as well as predatory insects and arachnids. We analysed the influence of both plant species and light conditions during growth (low light; high light) on the species spectrum, and the number of insect specimens present. The resulting data were investigated in relation to the susceptibility of plant leaves to feeding by folivorous insects, as determined in earlier studies. We compared the similarity in species diversity, based on the Sørensen’s coefficient, and discussed the potential causes of observed differences in leaf damages. We found a total of 153 arthropod taxa on studied plants, under both light conditions. Corylus avellana and Prunus serotina, species characterized by greater leaf damage, have a wider diversity of arthropod species, and a greater number of herbivorous insects. Generally, light conditions had a greater effect on arthropod abundance than on species diversity. For two plant species, C. avellana and P. serotina, light conditions strongly, but reversely, influenced the total number of insects and, thus, the extent of leaf damage. The number and abundance of zoophagous species, and ratio to folivores (except C. avellana) are associated more with plant species than with light conditions
Źródło:
Dendrobiology; 2020, 84; 58-80
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Orbital blowout trauma occurring at the workplace - clinical, biomechanical and legal aspects
Autorzy:
Skorek, A.
Klosowski, P.
Zerdzicki, K.
Skorek, P.
Lemski, P.
Zmuda-Trzebiatowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/2097868.pdf
Data publikacji:
2020
Wydawca:
Instytut Medycyny Wsi
Tematy:
labour law
orbital trauma
numerical model of eye orbit
Opis:
Introduction and objective. Craniofacial injury at the workplace may lead to orbital blowout fractures. The aim of the study is the development of own numerical model of the eye orbit, assessment of the damage zones, and comparing them with clinical examinations. In addition, the current legal status of patients after injuries is presented. Materials and method. In laboratory tests performed on bones collected from the upper and medial orbital wall (examination on fresh corpses), the Young’s modulus was determined for these bones. Based on the CT image, a numerical model of the eye orbit was created. The damage zones within the eye socket were assessed after a blow (dynamic model) to the inferior and lateral walls, and only to the inferior wall. Comparative clinical material were 9 patients with orbital blowout fracture treated at the Clinic of Otolaryngology Results. Experiment 1: the damage zone covered an area of 0.54cm2, and was located medially and laterally from the infraorbital nerve canal. Experiment 2: the damage zone was smaller – 0.38 cm2, and located medially to the infraorbital nerve canal. The results obtained in the experiment were compared with the CT image of the eye sockets of patients after injuries. On this basis, presumptions were made concerning the mechanism of the trauma. Conclusions. The finite element method is a good tool for assessing the pathomechanism of trauma, as well as for an attempt to determine the circumstances of the event. Based on analysis of the numerical and clinical images, the necessity for using protective measures which absorb the impact to the inferior wall and temporal areas should be emphasised, as well as the fact that using merely goggles is insufficient protection of the eye orbit.
Źródło:
Journal of Pre-Clinical and Clinical Research; 2020, 14, 2; 39-43
1898-2395
Pojawia się w:
Journal of Pre-Clinical and Clinical Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of climate change on microbial community structure and function in the Antarctic glacier lagoon
Autorzy:
Swiatecki, A.
Gorniak, D.
Jankowska, K.
Zdanowski, M.K.
Borsuk, P.
Zmuda-Baranowska, M.J.
Grzesiak, J.
Powiązania:
https://bibliotekanauki.pl/articles/11992.pdf
Data publikacji:
2010
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
climate change
microbial community
community structure
community function
Antarctic
glacier lagoon
glacier recession
Opis:
One of the dramatic effects of global warming is the retreat of glaciers. This phenomenon has intensified in the last two decades. Postglacial areas are quickly colonised by various groups of organisms. Auto- and heterotrophic microorganisms play an especially vital role in these processes. They thrive in shallow glacial lagoons which often form in front of retreating glaciers. These reservoirs are characterised by high dynamics of physicochemical parameters, including: salinity, temperature and concentrations of organic compounds and nutrients. The conducted microbiological studies have revealed rich structural and functional diversity of bacteria occurring in the ecosystem of Ecology Lagoon situated on King George Island. Bacteria found on the surface of algae and stones in the shore zone of the lagoon showed particularly intense metabolic activity. A molecular analysis has indicated that unique taxonomic groups of bacteria occur in the ecosystem of Ecology Lagoon.
Źródło:
Papers on Global Change; 2010, 17
2300-8121
1730-802X
Pojawia się w:
Papers on Global Change
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of thermal conditions and precipitation on growth rate of Scots pine
Autorzy:
Biniak-Pieróg, M.
Żyromski, A.
Rolbiecki, R.
Rolbiecki, S.
Żyromski, M.
Żmuda, R.
Powiązania:
https://bibliotekanauki.pl/articles/125385.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
Scots pine
growth dynamic
thermal conditions
precipitation
Opis:
The aim of the experiment presented in this paper is to assess the relationship between the height and diameter increase rate and the thermal conditions and precipitation during its growth. The experiment was carried out in the Agro- and Hydrometeorology Observatory of the Wrocław University of Environmental and Life Sciences in 2013–2015. The height and diameter measurement was made each time on the same 43 plants, randomly selected at the stage of setting up the experiment in 2012 and specially marked. Plants included in further analyses were divided into 5 classes and the classification criterion was their height in the 3rd year of cultivation. Initially, an analysis of relationships of selected morphological parameters of Scots pine was carried out, i.e. of the heights and diameters against the changing weather conditions, i.e. precipitations and air temperatures. Subsequently, an effect of the thermal conditions and the amount of precipitation on growth of Scots pine was assessed with the use of the two meteorological parameters mentioned above. These parameters were used as their accumulated sums, calculated as of the dates of biometric measurements, made at the end of each month (the last ten days of a month) in the summer half-year period. Multiple regression analysis was applied to evaluate the effect of thermal conditions and precipitation on the growth of Scots pine in both variants and the significance of the relationships under study was examined with the use of an adjusted coefficient of determination R2. The analyses and calculations indicate a close significant relationship between the height of pine trees and their diameter at the base on any measurement date. Analyses of different measurement periods indicated a decrease in significance of the relationships between the height of pine trees and their diameter at the base. A decrease in these relationships is becoming more and more pronounced with the age of the trees. Of the two weather parameters, i.e. total air temperature and total precipitation, the precipitation dominates in the relationship with the trees height and air temperature – with the trees diameter.
Źródło:
Journal of Ecological Engineering; 2016, 17, 5; 1-8
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Location of airports - selected quantitative methods
Lokalizacja portów lotniczych - wybrane metody ilościowe
Autorzy:
Merkisz-Guranowska, A.
Bieńczak, M.
Kiciński, M.
Zmuda-Trzebiatowski, P.
Powiązania:
https://bibliotekanauki.pl/articles/361970.pdf
Data publikacji:
2016
Wydawca:
Wyższa Szkoła Logistyki
Tematy:
airport
airport location
optimalization
ranking variations
port lotniczy
lokalizacja portów lotniczych
optymalizacja
szeregowanie wariantów
Opis:
Background: The role of air transport in the economic development of a country and its regions cannot be overestimated. The decision concerning an airport's location must be in line with the expectations of all the stakeholders involved. This article deals with the issues related to the choice of sites where airports should be located. Methods: Two main quantitative approaches related to the issue of airport location are presented in this article, i.e. the question of optimizing such a choice and the issue of selecting the location from a predefined set. The former involves mathematical programming and formulating the problem as an optimization task, the latter, however, involves ranking the possible variations. Due to various methodological backgrounds, the authors present the advantages and disadvantages of both approaches and point to the one which currently has its own practical application. Results: Based on real-life examples, the authors present a multi-stage procedure, which renders it possible to solve the problem of airport location. Conclusions: Based on the overview of literature of the subject, the authors point to three types of approach to the issue of airport location which could enable further development of currently applied methods.
Wstęp: Transport lotniczy obecnie odgrywa ważną rolę, jeśli chodzi o rozwój gospodarczy zarówno kraju, jak i danego regionu. Ewentualna decyzja o jego lokalizacji powinna w maksymalnym stopniu spełniać oczekiwania interesariuszy. Niniejszy artykuł podejmuje tematykę związaną z wyborem lokalizacji portów lotniczych. Metody: W artykule przedstawiono dwa główne ilościowe nurty (podejścia) związane z problematyką lokalizacyjną portów lotniczych (PL), tj. problem optymalizacji wyboru lokalizacji PL oraz problem wyboru lokalizacji spośród z góry zdefiniowanego zbioru. Pierwszy z nich związany jest z programowaniem matematycznym i sformułowaniem problemu jako zadania optymalizacyjnego drugi natomiast zszeregowaniem wariantów Z uwagi na różne podłoże metodyczne autorzy przedstawili wady i zalety obu podejść oraz wskazali tą, która ma obecnie swoje praktyczne zastosowanie. Rezultaty: W artykule, opierając się na rzeczywistych przykładach, zaprezentowano procedurę wieloetapową pozwalającą na rozwiązywanie problemu lokalizacji portów lotniczych. Wnioski: W artykule, wskazano na bazie przeglądu literaturowego trzy koncepcje podejścia do problematyki lokalizacji PL, dzięki którym możliwe byłoby rozwinięcie obecnie stosowanych metod.
Źródło:
LogForum; 2016, 12, 3; 283-295
1734-459X
Pojawia się w:
LogForum
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Suspicion of bovine tuberculosis in sheep in the Małopolskie Voivodeship (southern Poland)
Autorzy:
Didkowska, A.
Żmuda, P.
Orłowska, B.
Nowak, M.
Filip-Hutsch, K.
Cuper, K.
Krajewska-Wędzina, M.
Anusz, K.
Powiązania:
https://bibliotekanauki.pl/articles/16539333.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
bovine tuberculosis
dairy products
IGRA
sheep
tuberculin skin test
Opis:
Bovine tuberculosis (BTB) in sheep (Ovis aries) is caused by Mycobacterium bovis and Mycobacterium caprae. Even though sheep have been considered less sensitive to BTB than other ruminants, they have been subject to increasing numbers of tuberculosis cases and it has been suggested that they may act as a disease reservoir in some regions. Aim of the study: Following a report of tuberculous-like gross lesions (repeated cases of purulent or caseous lymphadenitis and a single case of serosal tubercles on the peritoneum) from veterinarians working in a slaughterhouse in the Małopolskie Voivodeship, southern Poland, the aim of this study was to conduct ante-mortem BTB diagnostics in three flocks with suspected BTB. The animals for testing were selected randomly from the flocks; a blood sample for interferon-γ release assay (IGRA) and a single tuberculin skin test (TST) was performed on each sheep. All TST results were negative. The IGRA result was positive in two ewes from the same flock (four and five years of age); these two sheep were tested microbiologically using Stonebrink and Löwenstein-Jensen media. No gross lesions suggesting BTB were observed, and the culture results were negative. Based on the positive IGRA results, together with its high specificity in sheep, and the potential risk to humans posed by consuming local unpasteurized dairy products, we recommend introducing serological BTB screening in sheep from this area, and subjecting the positive results to confirmation by culture.
Źródło:
Polish Journal of Veterinary Sciences; 2022, 25, 3; 469-473
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Enhancement of Intersubband Absorption in GaInN/AlInN Quantum Wells
Autorzy:
Cywiński, G.
Skierbiszewski, C.
Siekacz, M.
Kryśko, M.
Feduniewicz-Żmuda, A.
Gladysiewicz, M.
Kudrawiec, R.
Misiewicz, J.
Nevou, L.
Kheirodin, N.
Julien, F.
Powiązania:
https://bibliotekanauki.pl/articles/1811923.pdf
Data publikacji:
2008-11
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
78.30.Fs
78.67.De
68.65.Fg
73.21.Fg
81.15.Hi
Opis:
GaInN/AlInN multiple quantum wells were grown by RF plasma-assisted molecular beam epitaxy on (0001) GaN/sapphire substrates. The strain-engineering concept was applied to eliminate cracking effect and to improve optical parameters of intersubband structures grown on GaN substrates. The high quality intersubband structures were fabricated and investigated as an active region for applications in high-speed devices at telecommunication wavelengths. We observed the significant enhancement of intersubband absorption with an increase in the barrier thickness. We attribute this effect to the better localization of the second electron level in the quantum well. The strong absorption is very important on the way to intersubband devices designed for high-speed operation. The experimental results were compared with theoretical calculations which were performed within the electron effective mass approximation. A good agreement between experimental data and theoretical calculations was observed for the investigated samples.
Źródło:
Acta Physica Polonica A; 2008, 114, 5; 1093-1099
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Does the increased SOD activity reflects drought resistance of barley?
Autorzy:
Baczek-Kwinta, R.
Borek, M.
Koscielniak, J.
Zmuda, K.
Powiązania:
https://bibliotekanauki.pl/articles/80302.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
oxidative stress
barley
drought resistance
superoxide dismutase activity
reactive oxygen species
chlorophyll a
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 2
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
High-throughput phenotyping and genotyping in comparative QTL analysis of early short-time drought tolerance in Polish fodder and malting spring barleys
Autorzy:
Wojcik-Jagla, M.
Rapacz, M.
Tyrka, M.
Koscielniak, J.
Crissy, K.
Zmuda, K.
Powiązania:
https://bibliotekanauki.pl/articles/80659.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
spring barley
malting barley
high throughput
phenotyping
genotyping
quantitative trait locus
drought tolerance
fodder barley
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:
Optically Pumped Laser Action on Nitride Based Separate Confinement Heterostructures Grown along the (11¯20) Crystallographic Direction
Autorzy:
Teisseyre, H.
Szymański, M.
Khachapuridze, A.
Skierbiszewski, C.
Feduniewicz-Żmuda, A.
Siekacz, M.
Łucznik, B.
Kamler, G.
Kryśko, M.
Suski, T.
Perlin, P.
Grzegory, I.
Porowski, S.
Powiązania:
https://bibliotekanauki.pl/articles/2047728.pdf
Data publikacji:
2007-08
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
42.55.Px
78.45.+h
78.66.Fd
Opis:
The intention of this work is to discuss and report on our research on nonpolar laser structures grown on bulk GaN crystal substrates along the (11¯20) nonpolar direction. The main advantages of such nonpolar structures are related to the elimination of the built-in electric fields present in commonly used systems grown along the polar (0001) axis of nitride crystals. We demonstrated the optically pumped laser action on separate confinement heterostructures. Laser action is clearly shown by spontaneous emission saturation, abrupt line narrowing, and strong transversal electric polarization of output light. The lasing threshold was reached at an excitation power density of 260 kW/cm$\text{}^{2}$ for a 700μm long cavity (at room temperature).
Źródło:
Acta Physica Polonica A; 2007, 112, 2; 467-472
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 32

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