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Tytuł:
Controlled drug delivery systems for improved efficacy and bioavailability of flavonoids
Autorzy:
Gopikrishna, A.
Girigoswami, A.
Girigoswami, K.
Powiązania:
https://bibliotekanauki.pl/articles/24200649.pdf
Data publikacji:
2023
Wydawca:
Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
Tematy:
flavonoids
controlled drug delivery system
pH-responsive
electro-responsive
NIR-responsive
flawonoidy
system kontrolowanego uwalniania leku
Opis:
Purpose In past decades, experiments have been done to find the properties of plant polyphenols and their protective role in various diseases. In the present study, a brief review has been done on flavonoids’ protective role in different diseases and controlled drug delivery systems that can be feasible for improving flavonoids’ bioavailability as well as their efficacy in the biological system. Design/methodology/approach Keywords searched in PubMed, and Google Scholar are “Flavones and cardiovascular diseases, flavones and neurodegenerative diseases, isoflavones and neurodegenerative diseases, Flavonoids and ageing, Flavonoids and diseases, total flavonoid content in vegetables, total flavonoid content in fruits, controlled drug delivery system and flavonoids” and the significant recent articles are selected for writing this review. Findings Flavonoids are active components present in plant products that have been found to exert several health benefits, especially in retarding the deleterious effects of CVD, cancer, ageing, diabetes, and neurodegenerative diseases. The different clinical studies have also supported the above notions, and in this commentary, we have highlighted some important findings in the field of flavonoid research. Even though it has various bioactive efficacy, most flavonoids have less bioavailability, requiring controlled drug delivery methods that can also improve flavonoids' bioavailability and stability. pH-, electro-, infrared radiation-, redox- responsive methods of controlled drug release systems are some of the valuable techniques for improving the rate of drug release and bioavailability at the targeted site. Research limitations/implications Research is warranted in this field for improving and developing various materials that can be utilized in the formation of scaffolds/polymers that improves drug loading and controlled drug release properties at the targeted site. Originality/value This review will help the readers to design new strategies in flavonoid research with the help of controlled drug release methods for increased bioavailability and rate of drug release/ controlled drug release.
Źródło:
Journal of Achievements in Materials and Manufacturing Engineering; 2023, 116, 2; 49--60
1734-8412
Pojawia się w:
Journal of Achievements in Materials and Manufacturing Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of the market structure of long-distance transport vehicles in the context of retrofitting diesel engines with modern dual-fuel systems
Autorzy:
Chojnowski, Janusz
Karczewski, Mirosław
Powiązania:
https://bibliotekanauki.pl/articles/2097598.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
truck market
fuel supply system
dual-fuel
RCCI
reactivity controlled compression ignition
rynek samochodów ciężarowych
układ paliwowy
silnik dwupaliwowy
Opis:
This work contains considerations on the structure of the road tractor market in Poland in the context of their types of fuel supply systems and the possibility of adapting modern dual-fuel solutions in them. The current injection solutions in most vehicles available on the market indicate the possibility of highly effective use of modern dual-fuel or RCCI fuel supply solutions.
Źródło:
Combustion Engines; 2022, 61, 1; 13--17
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Concept and implementation of the Polish innovative agro-hydro-meteorological monitoring (AgHMM) in INOMEL Project
Autorzy:
Kanecka-Geszke, Ewa
Bąk, Bogdan
Bolewski, Tymoteusz
Kaca, Edmund
Powiązania:
https://bibliotekanauki.pl/articles/2048548.pdf
Data publikacji:
2021
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
adaptation
agro-hydro-meteorological monitoring system
climate change
controlled drainage
decision support system
short-term forecast
subirrigation
water management
water resources
Opis:
The paper presents the concept and deployment of the agro-hydro-meteorological monitoring system (abbrev. AgHMM) created for the purposes of operational planning of regulated drainage and irrigation on the scale of a drainage/irrigation system (INOMEL project). Monitoring system involved regular daily (weekly readings) measurements of agrometeorological and hydrological parameters in water courses at melioration object during vegetation seasons. The measurement results enable an assessment of the meteorological conditions, moisture changes in the 0-60 cm soil profile, fluctuations of groundwater levels at quarters and testing points, also water levels in ditches and at dam structures, and water flow in water courses. These data were supplemended by 7-day meteorological forecast parameter predictions, served as input data for a model of operational planning of drainage and subirrigation at the six melioration systems in Poland. In addition, it was carried out irregular remote sensing observations of plant condition, water consumption by plants and soil moisture levels using imagery taken by unmanned aerial vehicles and Sentinel’s satellites. All the collected data was used for support operational activities aimed at maintaining optimal soil moisture for plant growth and should to provide farmers with high and stable yields. An example of the practical operations using the AgHMM system in 2019 is shown on the basis of the subirrigation object at permanent grasslands located in central Poland called “Czarny Rów B1”.
Źródło:
Journal of Water and Land Development; 2021, 51; 256-264
1429-7426
2083-4535
Pojawia się w:
Journal of Water and Land Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Industrial implementations of control algorithms for voltage inverters supplying induction motors
Autorzy:
Jabłoński, Mariusz
Borkowski, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/1841309.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
open mining
sensorless control
vector-controlled
adjustable speed drive
converter system
voltage-feed induction motors
Opis:
This article discusses the most important issues regarding the implementation of digital algorithms for control and drive technology in industrial machines, especially in open mining machines. The article presents the results of tests in which the algorithm and drive control parameter settings were not selected appropriately for voltage-fed induction motors, and where the control speed was not verified by any of the available motoring or simulation methods. We then show how the results can be improved using field-oriented control algorithms and deep parameters analysis for sensorless field-oriented performance.
Źródło:
Archives of Electrical Engineering; 2021, 70, 2; 475-491
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On a stable solution of the problem of disturbance reduction
Autorzy:
Maksimov, Vyacheslav I.
Powiązania:
https://bibliotekanauki.pl/articles/1838215.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
disturbance reduction
dynamical controlled system
guaranteed control theory
redukcja zakłóceń
system sterowany dynamicznie
teoria sterowania
Opis:
We study the problem of active reduction of the influence of a disturbance on the output of a linear control system. We consider a system of linear differential equations under the action of an unknown disturbance and a control to be formed. Our goal is to design an algorithm for reducing the disturbance by means of an appropriate control on the basis of inaccurate measurements of the system phase coordinates. This algorithm should form a feedback control that would guarantee that the trajectory of a given system tracks the trajectory of the reference system, i.e., the system described by the same differential equations but with zero control and disturbance. We present an algorithm for solving this problem. The algorithm, based on the constructions of guaranteed control theory, is stable with respect to informational noises and computational errors.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2021, 31, 2; 187-194
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Remote-controlled tug operation via VR/AR: results of an in-situ model test
Autorzy:
Byeon, S.
Grundmann, R.
Burmeister, H. C.
Powiązania:
https://bibliotekanauki.pl/articles/2063989.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
AR/VR technology
human machine interface
virtual reality
augmented reality
AR/VR system
remote-controlled tug operation
in-situ model test
unmanned vessel
Opis:
The German-funded FernSAMS project aimed at the development of an unmanned, remote-controlled tug operation with AR/VR technology. After an extensive simulation test with ship-handling simulators, the developed FernSAMS AR/VR system has now been in-situ tested with a scale model of the tug. The model test results showed very robust stability in remote operations with improved situational awareness with the VR/AR system and sensors. After a short introduction of the FernSAMS concept as well as some first insights into FernSAMS Human-Machine-Interface tests within the simulator, this paper introduces the technical setup of the scale-model tests being conducted with the FernSAMS concept to test the operational and technical feasibility of AR/VR-based remote control. This includes an overview of the systems and sensors integration and an analysis of the effectiveness of AR/VR system combined with 360-degree video streaming.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 3; 801--806
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exact determinantions of maximal output admissible set for a class of semilinear discrete systems
Autorzy:
El Bhih, Amine
Benfatah, Youssef
Rachik, Mostafa
Powiązania:
https://bibliotekanauki.pl/articles/229674.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
discrete-time
output admissible set
semilinear system
asymptotic stability
uncontrolled system
controlled system
delayed system
Opis:
Consider the semilinear system defined by {x(i+1)=Ax(i)+f(x(i)), i≥0 x(0)=x0∈Rn and the corresponding output signal y(i)=C x(i), i≥0, where A is a n×n matrix, C is a p x n matrix and f is a nonlinear function. An initial state x(0) is output admissible with respect to A, f, C and a constraint set Ω ⊂ Rp, if the output signal (y(i)i associated to our system satisfies the condition y(i) ∈ Ω, for every integer i≥0. The set of all possible such initial conditions is the maximal output admissible set Γ(Ω). In this paper we will define a new set that characterizes the maximal output set in various systems(controlled and uncontrolled systems) .Therefore, we propose an algorithmic approach that permits to verify if such set is finitely determined or not. The case of discrete delayed systems is taken into consideration as well. To illustrate our work, we give various numerical simulations.
Źródło:
Archives of Control Sciences; 2020, 30, 3; 523-552
1230-2384
Pojawia się w:
Archives of Control Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Towards autonomous shipping: benefits and challenges in the field of information technology and telecommunication
Autorzy:
Yanchin, I.
Petrov, O.
Powiązania:
https://bibliotekanauki.pl/articles/1841595.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
information technology
telecommunication
autonomous shipping
maritime information technology
communication system
onboard control system
human-controlled ships
autonomous ship technology
Opis:
This paper is dedicated to an overview of components of an onboard control system of an autonomous ship. This system controls and operates the ship. Therefore, this system needs to be able to analyze the ship’s state, predict its future development and analyze the consequences of its own decisions. The paper focuses on software aspects of the onboard control system, not the hardware. The paper provides an overview of technologies that can be used to implement the components of such a system responsible for planning new routes, handling the ship during the voyage, ensuring its seaworthiness and safety during the voyage, monitoring an autonomous ship from an onshore control centre, ensuring the robustness of the onboard control system, and collective operations of multiple autonomous ships. The paper describes benefits the maritime industry would gain from deploying some of the technologies developed for autonomous ships on ordinary, human-controlled ships. The paper also describes some challenges, especially in the field of automatic decision and reasoning, arising from the emergence of autonomous and smart ships. The main contribution of the paper is that it summarizes existing research in different areas of autonomous ship technology.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2020, 14, 3; 611-619
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Creating of a surroundings map for a remote controlled biomass transportation vehicle
Tworzenie mapy otoczenia dla zdalnie sterowanego pojazdu do transportu biomasy
Autorzy:
Typiak, Andrzej
Typiak, Rafał
Powiązania:
https://bibliotekanauki.pl/articles/337347.pdf
Data publikacji:
2019
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Maszyn Rolniczych
Tematy:
remote controlled vehicle
navigation system
3D map building
surroundings recognition
pojazd bezzałogowy
system nawigacji
budowanie map 3D
rozpoznawanie otoczenia
Opis:
This paper presents a design concept of an environment map building system for a baled biomass collecting and transporting remote controlled vehicle. A typical remotely operated vehicle is usually equipped with cameras which may provide insufficient information about the vehicle’s surrounding thus leading to the operator having difficulties in driving such a vehicle in unknown environment. This paper presents a concept of a close area map building system based on additional sensors. The concept assumes equipping the vehicle with laser range find scanners, an inclinometer and radar speed sensors. Combining information from these devices allows to build a map which helps an operator to drive the vehicle in a safer manner and more efficiently.
W artykule przedstawiono koncepcję projektowania mapy otoczenia dla zdalnie sterowanego pojazdu zbierającego i transportującego bele z biomasy. Typowy zdalnie sterowany pojazd jest zwykle wyposażony w kamery, które dają niewystarczające informacje o najbliższym otoczeniu, a operator ma trudności z prowadzeniem takiego pojazdu w nieznanym środowisku. W artykule rozważany jest problem budowy mapy najbliższego otoczenia pojazdu na podstawie dodatkowych urządzeń. Pojazd wyposażony jest w lasery SICK LMS, inklinometr i radary. Łączenie informacji z urządzeń pozwala zbudować mapę, która pomaga operatorowi wydajniej sterować pojazdem.
Źródło:
Journal of Research and Applications in Agricultural Engineering; 2019, 64, 4; 34-38
1642-686X
2719-423X
Pojawia się w:
Journal of Research and Applications in Agricultural Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
“In Order to Adapt the Consumption...”. The Creation of a Rationing System for Petrol in the Polish People’s Republic in the 1980s
Autorzy:
Zawistowski, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/1390803.pdf
Data publikacji:
2018-03-28
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
Polish People’s Republic
rationing system
controlled distribution
petrol
Opis:
In post-war Poland, rationing was introduced on three occasions: right after the war in 1945, then in 1951, and at the turn of the 1980s. In 1976, rationing cards for sugar were introduced, in 1981 - for meat, fats, cereal products, cleaning products and many other goods. Fuels were the last product added to this list. This article describes the process of introducing a rationing system for petrol in the Polish People’s Republic. Though the supply system crashed as early as 1981, it took several years to organize a rationing system for petrol. Its evolution did not end until 1984. This delay was caused by the long discussions on how the system should be built. This forced the authorities to introduce a whole range of temporary solutions which limited the demand in the short run, but had no soothing effect whatsoever on the society. To the contrary - the chaos they created intensified negative tendencies (such as speculation), led to market insecurity, and increased mistrust of state regulations.
Źródło:
Studia Historiae Oeconomicae; 2017, 35; 81-96
0081-6485
Pojawia się w:
Studia Historiae Oeconomicae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Concept of a Marine Remote Controlled Artillery-Missile System
Koncepcja morskiego zdalnie sterowanego systemu artyleryjsko-rakietowego
Autorzy:
Koruba, Z.
Szmidt, P.
Gapiński, D.
Powiązania:
https://bibliotekanauki.pl/articles/222443.pdf
Data publikacji:
2017
Wydawca:
Akademia Marynarki Wojennej. Wydział Dowodzenia i Operacji Morskich
Tematy:
Marine Autonomous Remote Controlled Artillery-Missile System
air defence
control
morski autonomiczny zdalnie sterowany system artyleryjsko-rakietowy
obrona powietrzna
sterowanie
Opis:
This paper presents general assumptions and concept, block diagram of the operation principle as well as control algorithm of a short range Marine Remote Controlled Artillery-Missile System (MZSSAR). Its main purpose is to combat low-flying manoeuvring air targets. In relation to existing set ‘Wróbel II’, an additional opportunity of autonomous search, detection, identification, tracking and effective target combat will appear. An increase of combat capabilities of a modified set, including in particular operation speed and range of target detection, will be possible.
Artykuł przedstawia ogólne założenia, koncepcję, schemat blokowy i algorytm sterowania morskiego zdalnie sterowanego systemu artyleryjsko-rakietowego średniego zasięgu (MZSSAR). Głównym zadaniem tego systemu jest zwalczanie nisko lecących celów manewrujących. W obecnym zestawie „Wróbel II” pojawią się dodatkowe opcje: autonomicznego poszukiwania, wykrywania, identyfikacji, śledzenia i skutecznego zwalczania celu, możliwy będzie też wzrost zdolności bojowych, w szczególności prędkości operacyjnej i zasięgu wykrywania celu.
Źródło:
Zeszyty Naukowe Akademii Marynarki Wojennej; 2017, R. 58 nr 2 (209), 2 (209); 97-107
0860-889X
Pojawia się w:
Zeszyty Naukowe Akademii Marynarki Wojennej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modelling and Designing of Ultrasonic Welding Systems
Autorzy:
Milewski, A.
Kluk, P.
Kardyś, W.
Kogut, P.
Powiązania:
https://bibliotekanauki.pl/articles/176732.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
ultrasonic welding and cutting system
ultrasonic stack modelling and designing
digitally controlled ultrasonic power supply
ultrasonic stack e-diagnosis
Opis:
This article presents the main stages and challenges in modelling and designing of modern ultrasonic welding and cutting systems. First, the key components of such a system, such as an ultrasonic stack (consisting of a high power ultrasonic transducer and a sonotrode) and a digitally controlled ultrasonic power supply with precise control of the output power, have been considered. Next, a concept of measurement system for verification and validation of mathematical models of ultrasonic stacks and its components has been presented. Finally, a method of ultrasonic stack e-diagnosis based on ultrasonic transducer electrical impedance measurement during welding and cutting process has been described.
Źródło:
Archives of Acoustics; 2015, 40, 1; 93-99
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Various designs of the two-stroke engine heads with the valve flushed system
Autorzy:
Łoza, Ł.
Kaźmierczak, A.
Borkowska, J.
Skorupa, P.
Krakowian, K.
Cienciała, M.
Powiązania:
https://bibliotekanauki.pl/articles/242546.pdf
Data publikacji:
2015
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
engine
two-stroke
internal combustion
valve flushed system
piston-controlled cam
high petrol consumption
oil in the petrol
toxic by-products
loud noise
uneven running
low efficiency
Opis:
The two-stroke engines have never acquired the popularity of the four-stroke engines due to their inherent performance limitations. The tasks of many engineering teams were to find the basic causes, which resulted in the inferior performance of these engines. Today’s task is to build a two-stroke engine whose performance could match that of a four-stroke engine in areas of common use. The most typical performance problems of a two-stroke engine are high petrol consumption caused by low efficiency, toxic by-products of combustion being emitted into the atmosphere (caused by oil present in the petrol), and uneven and loud engine noise. The greatest challenge is to achieve a good chamber purge during one stroke in which the fresh fuel mixture flows through the piston-controlled inlet port while at the same time the fumes are being exhausted through the outlet port. This in contrast with the four-stroke engines where the intake and exhaust are each done with two separate strokes. From the energy point of view, the two-stroke engine is not efficient because a certain amount of fresh fuel is being wasted in the exhaust fumes. We propose to replace the piston-controlled cam with the valve-flushed system, which will cause the combustion process to become more efficient. The purpose of this paper is to present various designs of the engine heads and analyse their performance. The goal of this proposal is to choose the best combination of these engine heads in order to achieve the optimum overall engine performance.
Źródło:
Journal of KONES; 2015, 22, 4; 187-190
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Construction method of optimal control system of a group of unmanned aerial vehicles
Metody tworzenia optymalnego systemu kontroli grupą bezzałogowych statków powietrznych
Autorzy:
Korobchynsky, M.
Mashkov, O.
Powiązania:
https://bibliotekanauki.pl/articles/408018.pdf
Data publikacji:
2014
Wydawca:
Politechnika Lubelska. Wydawnictwo Politechniki Lubelskiej
Tematy:
controlled object
control systems
Laplace transformation (LT)
unmanned aerial vehicle (UAV)
obiekt kontrolowany
system sterowania
transformata Laplace'a
bezzałogowe statki powietrzne
Opis:
In the following work the authors implement mathematical representation of a control system of complex dynamic system. An example of such system is a group of unmanned aerial vehicles. The sufficiency of controlled object mathematical representation is implemented, using the system approach, which in turn describes system elements, taking into account all the relations between them.
W prezentowanej pracy autorzy wdrażają matematyczny opis systemu kontroli złożonego systemu dynamicznego. Przykładem takiego systemu jest grupa bezzałogowych samolotów. Zaimplementowano odpowiedni opis matematyczny kontrolowanego obiektu stosując podejście systemowe, które opisuje wszystkie elementy systemu uwzględniając wszystkie relacje między nimi.
Źródło:
Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska; 2014, 1; 41-43
2083-0157
2391-6761
Pojawia się w:
Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Metoda pośrednia pomiaru przecieku w instalacji sprężonego powietrza
Indirect measurement method of leakage flow rate in compressed air systems
Autorzy:
Dindorf, R.
Woś, P.
Powiązania:
https://bibliotekanauki.pl/articles/267538.pdf
Data publikacji:
2014
Wydawca:
Politechnika Gdańska. Wydział Elektrotechniki i Automatyki
Tematy:
urządzenie pomiarowe przecieku
natężenie przecieku
przeciek kontrolowany
system sprężonego powietrza
leakage measurement equipment
leakage flow rate
controlled air flow
compressed air systems
Opis:
W pracy przedstawiono metodę pośrednią pomiaru natężenia przecieku w instalacji sprężonego powietrza przy wykorzystaniu urządzenia pomiarowego włączonego na odgałęzieniu rurociągu. Zaproponowana metoda pośrednia polega na określaniu relacji miedzy przeciekiem w instalacji pneumatycznej a przepływem kontrolowanym przez zawór dławiący nastawialny. Przeciek sprężonego powietrza w instalacji pneumatycznej jest obliczany na podstawie pomiaru stosunku ciśnienia w dwóch przedziałach czasu – z uwzględnieniem i bez uwzględnieni przepływu kontrolowanego.
In the paper the indirect measurement method of air leakage flow rate in compressed air system was proposed. In this method the measurement equipment had branch connection to the pneumatic pipeline. The indirect measurement method consists in determining the relation between air leakage flow rate in pipeline and the controlled air flow rate through adjustable throttle valve. Compressed air leakage flow rate in pneumatic systems is calculated on the basis of pressure ratio measurements in two time intervals - during leakage with and without the controlled flow.
Źródło:
Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej; 2014, 38; 7-10
1425-5766
2353-1290
Pojawia się w:
Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej
Dostawca treści:
Biblioteka Nauki
Artykuł
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