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Tytuł:
The preparation of surface layer of non-alloyed steel to cooperation with lubricating medium
Autorzy:
Wojciechowski, Ł.
Nosal, S.
Powiązania:
https://bibliotekanauki.pl/articles/245997.pdf
Data publikacji:
2009
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
surface layer
energy conditions
free surface energy
adhesive scuffing
wetting angle
Auger electron spectroscopy
Opis:
This paper discusses the influence of cold working to energy conditions of the surface layer of steel 15; it is evaluated with the use of free surface energy calculated (with polar-dispersive method) on the basis of wetting angle measurements. The samples subjected to such working method were also subjected to scuffing resistance tests performed on the pair of counter-samples made of steel 45. In the paper procedure of scuffing was described. Moreover, the methods of results evaluation were put. The tests were carried out in lubricating conditions of different mechanisms of interaction with the lubricated surface. They found out that the free surface energy increase influenced the scuffing resistance decrease for the pairs lubricated with surface non-active substances. However, the resistance increased for the pair lubricated with substances reacting chemically with the surface. In the paper example of test results, average valves of free surface energy were presented. The obtained tests results were verified by the comparison with the results of the experiment where the surface layer energy conditions were evaluated with the use of Auger electron spectroscopy. Changes with coldplastic work to the surface layer can prepare it to co-operation with active lubricants and thus increase its adhesive scuffing resistance.
Źródło:
Journal of KONES; 2009, 16, 1; 533-540
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A computer aided analysis and forecasting of gas reservoir production
Autorzy:
Żygas, Wojciech
Blicharski, Jacek
Rybicki, Czesław
Powiązania:
https://bibliotekanauki.pl/articles/2203343.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
optymalizacja
analiza numeryczna
produkcja gazu
computer application
optimization
gas production
energy conditions
numerical analysis
Opis:
The article presents a methodology for analysing historical gas production data and determining the gas reserves and the petrophysical parameters of a reservoir-aquifer system. These parameters are obtained from a fitting algorithm using production data sets. A forecast of the future field gas production can be created on the calibrated mathematical model basis. The developed method is based on the material balance assumptions and the widely used Fetkovich and van Everdingen-Hurst equations for calculating water influx. To conduct the calculations and analyse production data, the computer application was developed using Python programming language. A user-friendly graphical interface makes the proposed application convenient and intuitive to use. The software was calibrated based on the literature data from the gas field of known parameters and then validated using five case studies of the actual gas fields in the Polish Carpathian Foredeep. From the tests, very high compatibility between the computed and the real field values were obtained. An additional comparison with the commercial program MatBal confirmed the proper functioning of the application.
Źródło:
Archives of Mining Sciences; 2022, 67, 4; 565--601
0860-7001
Pojawia się w:
Archives of Mining Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Textural characteristics, mode of transportation and depositional environment of the Stormberg Group in the Eastern Cape, South Africa: evidence from grain size and lithofacies analyses
Autorzy:
Chima, Priscilla
Baiyegunhi, Christopher
Powiązania:
https://bibliotekanauki.pl/articles/2204351.pdf
Data publikacji:
2022
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
grain size distribution
textural parameters
lithofacies classification
hydrodynamic energy conditions
Triassic
Jurassic
rozkład wielkości ziarna
parametry teksturalne
klasyfikacja litofacji
warunki hydrodynamiczne
warunki energetyczne
trias
jura
Opis:
The Stormberg Group comprises the Molteno, Elliot and Clarens formations and is one of four stratigraphical groups that make up the Karoo Supergroup in South Africa. The group is the highest unit in the Karoo Basin, representing the final phase of preserved sedimentation. The major problem with the Stromberg Group is that the mode of transport, hydrodynamic energy conditions and depositional environment are still poorly understood. For the present paper, grain size and lithofacies studies on selected sandstones from the Molteno, Elliot and Clarens formations were performed so as to elucidate their textural characteristics, depositional processes, sedimentation mechanisms and hydrodynamic energy conditions and to discriminate different depositional environments. The statistical parameters of grain size distribution (mean grain size, standard deviation, skewness and kurtosis) show that the sandstones are predominantly unimodal, fine grained, moderately well sorted, mesokurtic and near symmetrical. The bivariate diagrams of the aforementioned statistical parameters demonstrate that river and aeolian dune had the greatest impact on the depositional environments. Likewise, the C-M pattern (Passega diagram) shows that the sandstones were mostly deposited through tractive current process. Furthermore, the C-M diagram reveals the prevalence of rolling, suspension and graded suspension modes of sediment transportation. Seventeen sedimentary lithofacies were identified and grouped into seven lithofacies associations. These lithofacies associations indicate braided channel, overbank and swamp deposits for the Molteno Formation, alluvial fan/floodplain and playa deposits for the Elliot Formation and aeolian deposits for the Clarens Formation.
Źródło:
Geologos; 2022, 28, 1; 61--78
1426-8981
2080-6574
Pojawia się w:
Geologos
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Housing conditions and the use of alternative energy sources in households of senior citizens in Poland
Autorzy:
Zalega, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/522194.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Ekonomiczny w Katowicach
Tematy:
Dwelling
Household
Housing conditions
Renewable energy sources
Seniors
Opis:
Aim/purpose – The article aims to show the housing situation, satisfaction with housing conditions and place of residence, and the use of renewable energy sources in urban households of Polish seniors. Design/methodology/approach – Direct research in the form of a survey questionnaire was carried out on a sample of 2537 households in 2014-2015 in ten Polish cities of various populations and sizes. In accordance with the research assumptions, the sample included persons over 65 years of age who took independent purchasing decisions in the market. In order to select the sample, the selective quota sampling procedure was used. The survey was conducted among participants of the University of the Third Age at state universities in: Warsaw, Kraków, Łódź, Poznań, Gdańsk, Katowice, Lublin, Białystok, Toruń and Wrocław, as well as among members of parochial clubs in parishes located in the Archdioceses of Warsaw, Kraków, Łódź, Białystok, Gdańsk, Katowice, Lublin, Poznań, Wrocław and the Dioceses of Warsaw-Praga and Toruń. Findings – The survey reveals that more than half of seniors’ households are satisfied with both the place of residence and housing conditions. The use of RES in seniors’ households looks slightly worse. Only 1.5% of all the surveyed households of persons aged 65+ invest in alternative energy sources to produce electricity and heat. Financial problems are the key barrier to the development of RES-related projects in their households. Research implications/limitations – Given the limited financial capacities, the study of housing conditions and the use of RES among people aged 65+ was confined solely to seniors’ households in the largest Polish cities. In those households, a relatively low share of RES often results from inadequate technical conditions for the connection of RES installations. Rural households generate slightly more electricity and heat from RES. Originality/value/contribution – This is one of the first studies published in Poland that attempt to provide some insight on RES used in urban households of people aged 65+.
Źródło:
Journal of Economics and Management; 2017, 29; 139-160
1732-1948
Pojawia się w:
Journal of Economics and Management
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Testing Of energy meters under three-phase determined and random nonsinusoidal conditions
Autorzy:
Olencki, A.
Mróz, P.
Powiązania:
https://bibliotekanauki.pl/articles/221328.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
energy meter testing
nonsinusoidal conditions
energy calibrators
electrical power standards
automatic calibration procedure
Opis:
Electric energy meters are designed to account energy under sinusoidal and nonsinusoidal conditions, because both, old and new standards for energy meters require testing their accuracy under different conditions. The latest EN 50470 standard increases the range of meter testing under nonsinusoidal conditions, introducing new shapes of test signals such as the phase fired waveform or the burst fired waveform. This paper discusses calibration problems of electronic revenue energy meters for direct connection and for connection through current transformers, and it proposes a new calibration procedure which reproduces normal operating conditions better: three-phase configurations of measurement systems, load range during meter testing or shapes of test signals. Recently, modern Electrical Power Standards, also known as Power Calibrators, enable automatic testing of various types of electrical devices, including electricity meters in their normal operating conditions. This article presents examples of single and multi position fully automatic test systems, which employ Power/Energy Calibrator from Poland as the precision source with programmed waveforms of three phase voltages up to 560 V and currents up to 120 A conforming to EN 50470, or with random waveforms generated by PC software random wave generator. Measurement uncertainty of the energy meters under different nonsinusoidal conditions using a test system with reference to accuracy of the power calibrator or to the reference meter, are discussed. Comparative analysis of test results for different shapes of voltage and current signals is presented in the conclusions of this paper.
Źródło:
Metrology and Measurement Systems; 2014, 21, 2; 217-232
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of Hygrothermal Conditions of External Partitions in an Underground Fruit Store
Autorzy:
Nawalany, G.
Sokołowski, P.
Powiązania:
https://bibliotekanauki.pl/articles/123816.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
fruit store
energy management
heat exchange
hygrothermal conditions of partitions
Opis:
The paper presents the analysis of hygrothermal conditions of external partitions in an underground fruit store. The results of measurements of temperature and humidity of the indoor and outdoor air as well as the surface surrounding temperature and the temperature of the air surrounding the store constituted the boundary conditions for the hygrothermal calculations. The paper presents the calculation of the distribution of the temperature and humidity on the ground floor, the wall contacting the ground, the wall contacting the outside air, and the ceiling above the storage chamber. The heat and moisture calculations have shown high risk of condensation submerged in non-insulated external walls. The condition of the adaptation of a traditional cold store to a simple and atmosphere controlled cold one is to increase the thermal resistance of the partitions. Such a solution will let cut the energy demand in those types of agricultural buildings.
Źródło:
Journal of Ecological Engineering; 2016, 17, 4; 75-82
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The impact of climate conditions on energy consumption for heating and cooling of residential buildings
Autorzy:
Sadowska, B.
Powiązania:
https://bibliotekanauki.pl/articles/95743.pdf
Data publikacji:
2018
Wydawca:
Fundacja Ekonomistów Środowiska i Zasobów Naturalnych
Tematy:
warunki klimatyczne
budowa wydajności energetycznej
koszt energii
climate conditions
energy cost
Opis:
This paper attempts to determine the influence of various climate conditions on energy consumption for heating and cooling of residential buildings. Ecological and economic aspects were also analysed. A single-family building erected in energy quality variants was considered. Its energy performance as well as heating and cooling costs in two locations in Poland were examined. The impact of predicted climate changes on energy consumption and costs related to these changes were also analyzed. It was found that climate conditions and their predicted changes have a significant impact on energy consumption for heating and cooling of buildings, and consequently on the costs associated with maintaining adequate indoor air quality.
Źródło:
Ekonomia i Środowisko; 2018, 4; 189-197
0867-8898
Pojawia się w:
Ekonomia i Środowisko
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Energy Method for Elastic Problems With Non-Homogeneous Boundary Conditions
Autorzy:
Quintanilla, R.
Powiązania:
https://bibliotekanauki.pl/articles/907887.pdf
Data publikacji:
2002
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
matematyka
weighted energy method
decay estimates
Navier equations
non-homogeneous boundary conditions
Opis:
In this paper we propose the weighted energy method as a way to study estimates of solutions of boundary-value problems with non-homogeneous boundary conditions in elasticity. First, we use this method to study spatial decay estimates in two-dimensional elasticity when we consider non-homogeneous boundary conditions on the boundary. Some comments in the case of harmonic vibrations are considered as well. We also extend the arguments to a class of three-dimensional problems in a cylinder. A section is devoted to the study of an ill-posed problem. Some remarks are presented in the last section of the paper.In this paper we propose the weighted energy method as a way to study estimates of solutions of boundary-value problems with non-homogeneous boundary conditions in elasticity. First, we use this method to study spatial decay estimates in two-dimensional elasticity when we consider non-homogeneous boundary conditions on the boundary. Some comments in the case of harmonic vibrations are considered as well. We also extend the arguments to a class of three-dimensional problems in a cylinder. A section is devoted to the study of an ill-posed problem. Some remarks are presented in the last section of the paper.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2002, 12, 1; 91-100
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Methods for asssessing energy efficiency of grain dryers
Metoda oceny efektywności energetycznej suszarek do ziarna
Autorzy:
Nowak, Janusz
Przystupa, Wojciech
Powiązania:
https://bibliotekanauki.pl/articles/93426.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Inżynierii Rolniczej
Tematy:
grain dryer
energy index
standard conditions
suszarka do ziarna
wskaźniki energetyczne
warunki standardowe
Opis:
The article presents an algorithm for calculating selected energy assessment indexes for grain driers. Particular attention was paid to the conversion of the equations obtained for the operating conditions of the drying process into equations allowing the calculation of indexes for the standard drying conditions. The indexes obtained allow a proper comparison of dryers operating in varied atmospheric conditions, as well as humidity and temperature of the dried material.
W artykule przedstawiono algorytm obliczania wybranych wskaźników oceny energetycznej suszarek do ziarna. Szczególną uwagę zwrócono na przekształcenie równań otrzymanych dla warunków eksploatacyjnych suszenia do równań pozwalających na obliczenia wskaźników dla warunkach standardowych suszenia. Otrzymane wskaźniki pozwalają na właściwe porównywania suszarek pracujących w różnych warunkach otoczenia oraz różnej wilgotności i temperatury suszonego materiału.
Źródło:
Agricultural Engineering; 2019, 23, 2; 39-47
2083-1587
Pojawia się w:
Agricultural Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Performance Analysis of a Thermoelectric Cooler Placed between Two Thermoelectric Generators for Different Heat Transfer Conditions
Autorzy:
Alsaqoor, Sameh
Powiązania:
https://bibliotekanauki.pl/articles/24201669.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
thermoelectric cooler
sandwich TEC
TEG performance
thermoelectric generator
heat transfer conditions
enhancing power generation
low energy harvesting
renewable energy induction
Opis:
The thermoelectric cooler (TEC) and thermoelectric generator (TEG) modules have several appealing features, including fixed parts, high reliability, low maintenance costs, and seamless connection with other heating equipment, accompaniment, can be powered by a variety of low-energy renewable energy sources such as solar water/air collectors, ground heat exchangers or heat from biomass. The thermoelectric assembly was integrated into the TEC using the TEG in this study. A prototype was developed in which recently developed thermoelectric modules were integrated into a thermoelectric cooler. For this purpose, a TEC sandwiched between two TEGs with different heat transfer conditions was established, to simulate the heat transfer and thermoelectric behavior of both the TEG and the TEC system, and evaluate the effect of the combined TEG-TEC on the performance parameters of the good system by comparing different cooling modes ranging from natural convection, forced convection, and water-cooling tests. It was shown that to the natural convection of heat transfer, as the TEC voltage increases, the hot surface temperature of the upper TEG increases, and the cold surface temperature of the lower TEG decreases, where the lowest TEC temperature reaches 1.36 A. When using forced convection (by using a fan), the temperature profile decreases over time, starting at around 70 °C for 7V, and after almost 60 minutes, the temperature drops to around 45 °C for 3V. This turned out to be a match between experiment and theory in all traces shown, with a voltage difference of 25 mV for 3V TEC and ending at 70 mV for 8V TEC.
Źródło:
Journal of Ecological Engineering; 2023, 24, 4; 27--35
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Multi-mode switching control of hybrid electromagnetic suspension based on road conditions adaptation
Autorzy:
Meng, Xiangpeng
Ding, Renkai
Sun, Zeyu
Wang, Ruochen
Chen, Long
Powiązania:
https://bibliotekanauki.pl/articles/2055038.pdf
Data publikacji:
2020
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
hybrid electromagnetic suspension
multi-mode switching control
road conditions
adaptation
dynamic performance
energy regeneration
Opis:
In this research, a hybrid electromagnetic actuator is proposed to coordinate the contradictions between dynamic performance and energy consumption of an electromagnetic suspension. The hybrid electromagnetic suspension (HEMS) is configured to operate in the passive energy regeneration mode, active control ride comfort mode or active control driving safety mode depending on the road excitation frequency. Then, the HEMS system is modeled. The simulation results show that the HEMS can automatically switch between different modes, and realize an effective coordination between dynamic performance and energy saving. Finally, a quarter car test is conducted, which verifies the effectiveness of the multi-mode switching control.
Źródło:
Journal of Theoretical and Applied Mechanics; 2020, 58, 3; 697--710
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Decision on land development conditions for a photovoltaic system – a genuine investment problem?
Autorzy:
Brzezicki, Tomasz
Brzezińska-Rawa, Anna
Powiązania:
https://bibliotekanauki.pl/articles/47397122.pdf
Data publikacji:
2021-12-10
Wydawca:
Uniwersytet Warszawski. Wydawnictwa Uniwersytetu Warszawskiego
Tematy:
decision on land development conditions
photovoltaic
solar energy
renewable energy
Polska
decyzja o warunkach zabudowy
fotowoltaika
energia słoneczna
energia odnawialna
Polska
Opis:
The possibility of basing an investment on a decision on land development conditions has many legal and economic advantages. The decision confirms a specific condition related to the possibility of land development, enables the implementation of subsequent stages of the investment process, and finally, the implementation of the investment. Currently, only special regulations, e.g. in water law, protection of monuments, and protection of agricultural and forest land, constitute a legal barrier to the location of photovoltaic investments. Other restrictions are technical limitations, for example, the possibility of connecting to the power grid. The photovoltaic investments market in Poland is constantly growing.
Źródło:
Studia Iuridica; 2021, 88; 60-77
0137-4346
Pojawia się w:
Studia Iuridica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Intergroup Consensus Among Expert Teams in the Selection of Projects to Enhance the International Competitiveness of Solar Energy Industry
Autorzy:
Zrobok, Oleksii
Kinchiev, Oleg
Powiązania:
https://bibliotekanauki.pl/articles/40688456.pdf
Data publikacji:
2024-03-31
Wydawca:
Politechnika Częstochowska
Tematy:
intergroup consensus of opinions
intergroup concordance
international competitiveness
risks in conditions of uncertainty
solar energy projects
Opis:
The premise for undertaking the research is the need for an intergroup consensus of assessments by teams of international experts when choosing international investment projects in the field of solar energy for their adequacy and validity. The aim of this article is to provide theoretical and methodological justification for ensuring intergroup consensus among teams of international experts in selecting projects that are aimed to enhance the international competitiveness of the solar energy industry. Research results: The study decomposed the concept of 'intergroup consensus among teams of international experts' and verified its presence through one-factor regression analysis. Additionally, the study conducted a rating assessment of the efficiency of project implementation to enhance the international competitiveness of Ukraine's solar energy industry under conditions of uncertainty using the taxonomy method. Conclusions: The collaboration of international experts in teams has ensured comparability and adequacy of evaluations, leading to the possibility of selecting an effective project for enhancing the international competitiveness of Ukraine's solar energy industry under conditions of uncertainty.
Źródło:
Zeszyty Naukowe Politechniki Częstochowskiej. Zarządzanie; 2024, I, 53; 188-203
2083-1560
Pojawia się w:
Zeszyty Naukowe Politechniki Częstochowskiej. Zarządzanie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Role of initial density distribution in simulations of bone remodeling around dental implants
Autorzy:
Nutu, E.
Powiązania:
https://bibliotekanauki.pl/articles/307275.pdf
Data publikacji:
2018
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
energia odkształcenia
kość
warunki początkowe
przebudowa kości
strain energy density
bone quantity
initial conditions
bone remodeling simulation
Opis:
In this paper, the effect of initial density distribution upon the predicted density via numerical simulations of bone remodeling was evaluated. The main purpose was to correlate the numerical results with clinical data according to which the initial bone quantity is an essential factor for long term survival of dental implants. Methods: Two-strain energy density-based bone remodeling theories were employed, one which accounts for overload resorption and the second one, which does not. The remodeling parameters were derived from the mechanostat theory. Bone remodeling around an osseointegrated dental implant was simulated based on finite element method using a generic mandible plane model. A variable time step was introduced to increase the speed of the remodeling simulations by keeping the truncation errors small. The simulations were performed for several initial density distributions correlated with values from clinical classifications of bone quality. For each density value, the occlusal load was defined in two ways so that to consider normal and overload mastication forces, respectively. Results: The results showed that the initial density distribution influences the predictions of bone remodeling simulations. For the analyzed model, the remodeling algorithm predicted overload resorption only in the case of low initial density, which can be associated with low bone quality, which, from clinical perspective, may probably lead to implant loss. Conclusions: The paper demonstrated that when simulating bone remodeling around dental implants using finite element method, it is important to account for initial density distribution in correlation with the bone quantity.
Źródło:
Acta of Bioengineering and Biomechanics; 2018, 20, 4; 23-31
1509-409X
2450-6303
Pojawia się w:
Acta of Bioengineering and Biomechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Projecting energy-efficient residential buildings in the climatic conditions of the mountainous regions of Armenia
Autorzy:
Tokmajyan, Hovhannes V.
Israyelyan, Rudolf G.
Tavadyan, Michael A.
Miqayelyan, Nver A.
Powiązania:
https://bibliotekanauki.pl/articles/2065603.pdf
Data publikacji:
2020
Wydawca:
Politechnika Częstochowska
Tematy:
factors of mountainous conditions
energy-efficient residential buildings
optimal energy consumption
alternative energy sources
projecting
construction
construction cost
górskie warunki
energooszczędne budynki mieszkalne
optymalne zużycie energii
alternatywne źródła energii
projektowanie
budowa
koszt budowy
Opis:
The article presents the results of studies aimed at clarifying the heat engineering calculations of energy-efficient residential buildings in the mountainous regions of Armenia. The regular changes in climatic factors of mountainous conditions at the altitudes of 800-1000 m above sea level were determined from the statistical and regulatory data of the Republic of Armenia using the method of statistical and correlation analysis and mathematical modelling. A quantitative evaluation of changes in climatic factors of the mountainous conditions was carried out which improved the accuracy of heat engineering calculations, to identify the costs of optimal energy consumption and to reduce the cost price of building energyefficient houses. The coefficients of the dynamics of changing climatic conditions of the Republic of Armenia, given in the article, are recommended to be used in the heat engineering calculations of the buildings when reducing the energy capacity of houses, construction costs and increasing the energy potential of the Republic of Armenia.
Źródło:
Budownictwo o Zoptymalizowanym Potencjale Energetycznym; 2020, 9, 1; 83--87
2299-8535
2544-963X
Pojawia się w:
Budownictwo o Zoptymalizowanym Potencjale Energetycznym
Dostawca treści:
Biblioteka Nauki
Artykuł
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