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Wyniki wyszukiwania dla: TRANSPORT, INTEGRATED TRANSPORT SYSTEMS
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Model equations for interactions of hydrated species in transmembrane transport
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Advantages of waterjet ship propulsion in inland waterway transport
PublikacjaPoddano analizie napęd strugowodny statku z punktu widzenia następujących aspektów transportu śródlądowego:- ograniczona szerokość i głębokość drogi wodnej,- możliwości osadzenia statku na mieliźnie,- ścisłe ograniczenia ekologiczne,- ograniczona szybkość ruchu statku.
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Influence of transport policy on shape and function of public space
PublikacjaIstotnym wyznacznikiem atrakcyjności miejsca jest dostępność, zdeterminowana przez skalę podażowej polityki transportowej oraz wielkość wskaźnika motoryzacji. Samochód, jako dobro powszechnie dostępne, wpłyną na zmianę zachowań społecznych mieszkańców oraz na percepcję, kształt i funkcjonowanie przestrzeni miejskich. Z jednej strony integruje tkankę miejską, a z drugiej okupując wolne przestrzenie, nie uwzględniając żadnych wyższych...
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Transport i obróbka przedmiotów na docierarkach tarczowych
PublikacjaDocieranie i szlifowanie należy do podstawowych metod obróbki wykończeniowej. Technologie te stosowane sa obecnie zarówno w obróbce elementów metalowych, jak i niemetalowych. W artykule przeanalizowano czas jaki jest potrzebny do wykonania tych operacji.
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Ergonomic Aspects of Transport of Patient through the Operating Theatre
PublikacjaOne of the most crucial decisions to be made while designing and re-modernizing an operating theatre is selecting a method of transporting the patient through the hospital’s spatial arrangement. This decision, while irrelevant at first thought, implies numerous project and functional consequences. Designing an operating theatre within a hospital is related to numerous specialist requirements with an aim of minimizing the risk of...
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Nutrient transport and acquisition by diatom chains in a moving fluid
PublikacjaThe role of fluid motion in delivery of nutrients to phytoplankton cells is a fundamental question in biological and chemical oceanography. In the study of mass transfer to phytoplankton, diatoms are of particular interest. They are non-motile, are often the most abundant components in aggregates and often form chains, so they are the ones expected to benefit most from enhancement of nutrient flux due to dissipating turbulence....
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A New Metric for Long-Range Transport Potential of Chemicals
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The effect of temperature difference on heat transport in solar cells
PublikacjaW pracy omówiono wpływ wzrostu temperatury i mechanizm transportu ciepła na drodze przewodzenia w układach hybrydowych PV/T. Wyznaczono współczynniki przewodzenia krystalicznego krzemu typu n i p oraz gęstość strumienia ciepła w zakresie temperatur od 0 do 100 st. C.
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Structure redetermination, transport and thermal properties of the YNi3Al9 compound
PublikacjaSingle crystals of completely ordered variant of the YNi3Al9 compound were grown by self-flux method with excess of aluminum. The crystal structure of the title compound was redetermined from single crystal X-ray diffraction data. The structure adopts ErNi3Al9 type, space group R32, parameters of the unit cell a = 7.2838(2) Å, c = 27.4004(8) Å. The growth of relatively large single crystals of the YNi3Al9 compound, having completely...
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Transport of paracetamol in swellable and relaxing polyurethane nanocomposite hydrogels
PublikacjaPolyurethane hydrogels are potentially attractive materials for biomedical applications. They are able to absorb large amount of water, biological fluids or active substances, and thus, they have potential to be used as absorbents or wound-healing dressings. They are also used for the controlled release of therapeutics because of their capacity to embed biologically active agents in their water-swollen network. The presence of...
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Structure and transport properties of donor-doped barium strontium cobaltites
PublikacjaIn this work, Nb-substituted barium strontium cobaltites Ba0.5Sr0.5Co1-xNbxO3-δ (x = 0 – 0.4) have been fabricated and studied. The structural analysis showed that the Nb content influences the lattice constant as well as the distance between the (Co, Nb) and oxygen atoms. The study of morphology of samples showed that the Nb content does not change the porosity, grain size and morphology of the ceramics. The total electrical conductivity...
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Analysis of Reasons of Accidents Between Cyclists and Public Transport Vehicles in Cities
PublikacjaIn European cities, a bicycle is now or is systematically becoming an equal means of transport. Unfortunately, the growth of bicycle traffic is associated with an increase in the number of accidents involving cyclists. Some of these accidents, are events with cyclists and public transport vehicles - and therefore means of transport, which together are to constitute a serious alternative to a car. Although the share of these kind...
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Occurrences, sources, and transport of organochlorine pesticides in the aquatic environment of Antarctica
PublikacjaWe review information on the concentration levels of organochlorine pesticides in the abiotic aquatic environment (in seawater, sea ice, surface freshwater, snow, firn, and glacial ice) and the organisms inhabiting those, in Antarctica. Particular attention is given to the environmental fate of these pollutants, which modifies their impact on the organisms living in the Antarctic. OCPs have been delivered to the Antarctic environment...
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The structure of the data flow in integrated urban traffic management systems – the case of TRISTAR system
PublikacjaThe purpose of the article is to offer some insight into the data flow architecture in the Tri-City’s integrated traffic management system called TRISTAR. To that end selected elements of TRISTAR are identified and described as well as the structure for collecting and exchanging data within different sub-systems. Finally, the article highlights how the TRISTAR system can be extended by adding new elements and modules.
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Design and material selection for a patient transport device in field hospitals
PublikacjaACKGROUND: A major cause of patient and hospital worker injuries occurs transferring patients between two planes. The main aim of this paper was to propose a design of patient’s lift and transfer apparatus for use in field hospitals. The assumption was to design lightweight, durable and ergonomic device using innovative material. The authors concentrated on partial elimination of manual lifting in order to device could work both...
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Developing a Metropolitan Transport System—Exemplified by the Gdansk–Gdynia–Sopot Metropolitan Area
PublikacjaAs regional centres with metropolitan functions, metropolises grow and develop depending on how well they can meet the area’s transport needs internally and externally, a result of their socio-economic relations. The transport system of a metropolitan area must ensure that people and goods can move efficiently, effectively and environmentally friendly. Over the last ten years, the transport system of the Gdańsk–Gdynia–Sopot Metropolitan...
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Simulation Model of IMS/NGN with Transport Stratum Based on MPLS Technology
PublikacjaIn the paper we continue our research on traffic modelling in the Next Generation Network (NGN) architecture, which includes the IP Multimedia Subsystem (IMS) elements. A simulation model of a single NGN domain with transport stratum based on the Multiprotocol Label Switching (MPLS) technology is proposed, which allows evaluation of mean response time of this stratum. The simulation model is applied to verify the results obtained...
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Analysing Ways to Achieve a New Urban Agenda-Based Sustainable Metropolitan Transport
PublikacjaThe New Urban Agenda (NUA) sets a new vision of sustainable urban development to help cities deal with the challenges of changing demography. While numerous articles have addressed how the NUA can be implemented at different levels and in different areas, this article points out the potential limitations in incorporating the NUA into metropolitan transport policies. The relevance of the limitations can be seen in three main fields:...
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Simulation studies into quayside transport and storage yard operations in container terminals
PublikacjaThe focus of the paper is on quayside transport and storage yard operations in the sea container terminals. Developed algorithms for solving the issues of load handling and storage space allocation have been applied in the frame of adopted simulation model. The criteria chosen for decision making involved the total makespan of vessel unloading and the utilisation levels of the transportation trucks. Recommendations for unloading...
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Colloidal transport of lipid digesta in human and porcine small intestinal mucus
PublikacjaSmall intestinal mucus transport of food-derived particulates has not been extensively studied, despite mucus being a barrier nutrients need to cross before absorption. We used complex dispersions of digesta obtained from simulated, dynamic gastrointestinal digestion of yogurt to examine the penetrability of human and porcine mucus to the particles formed of lipolysis products. Quantitative, time-lapse confocal microscopy revealed...
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The influence of small intestinal mucus structure on particle transport ex vivo
PublikacjaMucus provides a barrier to bacteria and toxins while allowing nutrient absorption and waste transport. Unlike colonic mucus, small intestinal mucus structure is poorly understood. This study aimed to provide evidence for a continuous, structured mucus layer and assess the diffusion of different sized particles through it. Mucus structure was assessed by histology and immunohistochemistry. Ultra-structure was assessed by scanning...
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Preferences and Transport Behavior of Gdansk Residents in the Light of the Result of Complex Traffic Survey
PublikacjaPreferences and transport behavior of the population are a fundamental aspect of research in public transport. Identifying the basic postulates of transport, the factors determining the specific behavior of transport and modal split allow to analyze the differences between the groups singled passengers and to prepare better offer of an urban transport. In Poland, still in many cities urban transport research is conducted ad hoc,...
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Chemical Vapor Transport Route toward Black Phosphorus Nanobelts and Nanoribbons
PublikacjaChemical vapor transport (CVT) method is widely used for bulk black phosphorus (BP) fabrication. In this work, we demonstrate that CVT provides a route for the fabrication of BP nanoribbons and nanobelts. This method consists of a two-step procedure, including initial BP column growth using the CVT technique, followed by ultrasonic treatment and centrifugation. The obtained nanostructures preserve BP column dimensions, forming...
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Chemical Vapor Transport Route toward Black Phosphorus Nanobelts and Nanoribbons
PublikacjaChemical vapor transport (CVT) method is widely used for bulk black phosphorus (BP) fabrication. In this work, we demonstrate that CVT provides a route for the fabrication of BP nanoribbons and nanobelts. This method consists of a two-step procedure, including initial BP column growth using the CVT technique, followed by ultrasonic treatment and centrifugation. The obtained nanostructures preserve BP column dimensions, forming...
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Selective transport of Pb(II) across polymer inclusion membrane using imidazole azocrown ethers as carriers.
PublikacjaZbadano selektywność transportu jonów ołowiu(II) z równomolowych roztworów jonów Zn(II), Cd(II) i Pb(II) przez polimerowe membrany inkluzyjne (PIM) zawierające imidazolowe etery azokoronowe.Wykazano, że polimerowe membrany inkluzyjne z imidazolowymi azokoronami wykazują dużą stabilność, zależną w dużym stopniu od rodzaju jonoforu.
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A modelling approach to the transport support for the harvesting and transportation complex under uncertain conditions
PublikacjaThe article proposes a modelling approach based on structural and parametric identification of the transport support of the harvesting and transportation complex. The efficiency and effectiveness of the proposed methods of structural and parametric identification for the development of a system for harvesting and transportation complex operation has been proved. A mathematical model based on fuzzy logic has been developed. It reflects...
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A vertical subway, namely, an internal transport system in a 1200 m tall building,
PublikacjaThis article deals with the topic of designing an efficient internal transport system in a 1200 m tall multifunctional building called the “World’s Tower” due to its symbolism and specific architectural form. The building comprises four towers whose bases are 75 m/75 m long each and whose height is 1200 m. Two of the towers are located along the north-south axis while the two others along the east-west one. The towers are joined...
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Transdermal transport of collagen and hyaluronic acid using water in oil microemulsion
PublikacjaCollagen and hyaluronic acid (HA) are biopolymers that affect the appearance and condition of the skin. Delivery of these compounds into the skin is highly challenging since have a number of disadvantageous properties, such as high molecular weight and hydrophilicity. Here, we evaluated the transdermal penetration of low and high molecular weight collagen and HA from microemulsions. A number of microemulsion formulations, differing...
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Structure and function of natural proteins for water transport: general discussion
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Darmowy transport publiczny w Polsce – uwarunkowania, bariery, doświadczenia
PublikacjaPodstawę zrównoważonej polityki transportowej miast stanowi efektywne zaspakajanie zapotrzebowania na przemieszczanie w ramach transportu publicznego. Celowym jest poszukiwanie sposobów oddziaływania na wybory transportowe mieszkańców i zachęcania ich do korzystania z transportu zbiorowego zamiast samochodu osobowego. W artykule przedstawiono idę darmowego transportu miejskiego, jako narzędzie kształtowania, postulowanej przez...
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Carotenoid binding to proteins: Modeling pigment transport to lipid membranes
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STRUKTURA I TRANSPORT ELEKTRYCZNY UKŁADU Li-Ti-O
PublikacjaTytanian litu Li1+xTi2-xO4 (0 ≤ x ≤ 1/3) jest tlenkiem, który dzięki swym unikalnym właściwościom od połowy lat 70 pozostaje źródłem zainteresowania i obiektem badań naukowców. Jedną z najciekawszych właściwości tego związku jest przejście w stan nadprzewodzący poniżej temperatury około 13 K i jej silna zależność od stechiometrii układu. Oprócz nadprzewodnictwa wyróżniają go ciekawe właściwości elektrochemiczne oraz fotokatalityczne,...
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Healthcare Supply Chain Reliability: The Case of Medical Air Transport
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Mesoporous silica nanoflakes – Biocompatibility, cellular uptake and drug transport
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Thermally stimulated carrier transport due to stepwise sample heating.
PublikacjaPodano przybliżone rozwiązania równań nieizotermicznego transportu nośników w izolującym ciele stałym ze stanami pułapkowymi, dla przypadku krokowego ogrzewania próbki. Otrzymane wyniki zweryfikowano za pomocą symulacji Monte Carlo dla gaussowskiego rozkładu pułapek.
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Application of the dynamic EIS to investigation of transport within organic coatings
PublikacjaW pracy przedstawiono wyniki badań nad gwałtownym niszczeniem organicznych powłok ochronnych. Zastosowano technikę Dynamicznej Elektrochemicznej Spektroskopii Impedancyjnej (DEIS). Przez 60 sekund powłoka poliwinylowa poddawana była działaniu chlorku metylenu. W tym czasie rejestrowano chwilowe widma impedancyjne, co pozwoliło na prześledzenie dynamiki procesu degradacji powłoki. Potwierdzono przydatność techniki DEIS w badaniu...
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Transport lądowy w obsłudze portu rzecznego w Elblągu
PublikacjaW referacie przedstawiono aspekty integracji transportu wodnego z transportem lądowym. Omówiono również elementy techniczne niezbędne dla zaistnienia integracji
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Excitation energy transport and trapping in concentrated solid solution of flavomononucleotide
PublikacjaW pracy analizowano bez promienisty transfer energii w stężonych stałych roztworach (folie polimerowe) FMN. W w/w roztworach występują świecące dimery FMN. Pokazano, że jedynie uwzględnienie powrotnego transferu energii pozwala zadowalająco wyjaśnić mechanizm przenoszenia energii w badanych układach.
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Ionic transport in silica xerogels investigated by dynamic current voltagecharacteristics.
PublikacjaPodano wstępne rezultaty badania transportu ujemnych jonów w kserożelach Si02 w warunkach wysokiego gradientu temperatury w próbce, wywołanego jej ekstremalnie niską przewodnością cieplną. Uzyskane charakterystyki pozostają w zgodzie z przewidywaniami teoretycznymi. Na ich podstawie określono znak jonów, ich ruchliwość i energię aktywacji.
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Excitation energy transport and trapping in concentrated solid solutions offlavomononucleotide.
PublikacjaPraca dotyczy właściwości transportu i pułapkowania energii wzbudzenia w układzie monomer dimer dla flawomononukleotydu rozpuszczonego w filmach alkoholu poliwinylowego. Pokazano, że w tym przypadku wydajność kwantowa i depolaryzacja nie dają się opisać w ramach teorii nie uwzględniającej powrotnego przekazywania energii i że znacznie lepsza zgodność uzyskanych wyników doświadczalnych zachodzi z teorią, w której fluoryzujące...
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Transport of alkali metal cations in poly(3,4-ethylenethiophene) films.
PublikacjaElektrochemicznie otrzymana warstwa kompozytowa złożona z poli(3,4-etyleno-dioksytiofenu) i poli(styrenosulfonianu) podczas polaryzacji ulega odwracalnemu procesowi sorpcji-desorpcji kationów z elektrolitu zewnętrznego. Transportowi jonowemu towarzyszą cząsteczki wody (rozpuszczalnika). Ilość cząsteczek wody przypadająca na jednostkowy kation metali alkalicznych została wyznaczona za pomocą metody elektrochemicznej mikrowagi...
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Transport elementów w elastycznych systemach docierania powierzchni płaskich
PublikacjaPrzedstawono aktualne systemy trasportu elementów obrabianych na docierarkach jedno- i dwutarczowych. Zaprezentowano koncepcję systemu docierania powierzchni płaskich dla 11. elementowego spektrum przedmiotowego płaskich i płasko-równoległych elementów ceramicznych i metalowych.
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How to choose drive’s rated power in electrified urban transport?
PublikacjaSelection of drive's rated power influences not only vehicle's dynamics, but also its energy efficiency. Mentioned above approach requires a multiphysical model, which covers both mechanical and electrical phenomena. This paper discusses how selection of traction drive's rated power influences vehicle energy consumption on example of a trolleybus. A complex mathematical model was developed in Matlab/Simulink to describe the multiphisical...
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COMPARATIVE ANALYSIS OF TRANSPORT ORGANIZATION AND FUNCTIONING OF WATER TRAMS IN GDAŃSK, BYDGOSZCZ AND KRAKÓW
PublikacjaThe subject of this work is to identify and juxtapose solutions implemented in transport provided by water trams for the following cities: Gdańsk, Bydgoszcz and Kraków. As a result of the conducted analysis of transport factors, the degree of conformity of project objectives to the actual role of the water tram has been determined. It was found that the Kraków Water Tram (also known as Cracow Water Tram) is characterized by the...
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Transport of dangerous goods by rail, and threats to the subsoil of the railway surface in the event of a disaster
PublikacjaIn Poland, in 2020, the mass of dangerous goods (loads) transported by rail was 26 151.06 thousand tone. This translated into the performance of 8 899 691.89 thousand tone - km of transport performance. In 2020, these figures accounted for 11.72% of the weight of goods transported by rail. The situation is similar in other countries around the world. With such a large volume of transport of dangerous...
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Transport deficiency is the molecular basis of Candida albicans resistance to antifungal oligopeptides
Publikacja(FMDP), an inhibitor of glucosamine-6-phosphate synthase, exhibited growth inhibitory activity against Candida albicans, with minimal inhibitory concentration values in the 0.05–50 mg/L range. Uptake by the peptide permeases was found to be the main factor limiting an anticandidal activity of these compounds. Di- and tripeptide containing FMDP (F2 and F3) were transported by Ptr2p/Ptr22p peptide transporters (PTR) and FMDP-containing...
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Towards Hybrid Urban Mobility: Kick Scooter as a Means of Individual Transport in the City
PublikacjaThe characteristic feature of a contemporary city is its inconvenience and oppressiveness caused by the hitherto dominant paradigm of urban planning based on car mobility. As a result, the inhabitants have to cope with air pollution, noise, spatial barriers, sedentary lifestyle and other factors which worsen their health and quality of life. Ecological and physically activating urban mobility thus plays an increasingly important...
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Traffic Model of IMS/NGN Architecture with Transport Stratum Based on MPLS Technology
PublikacjaGrowing expectations for a fast access to information create strong demands for a universal telecommunication network architecture, which provides various services with strictly determined quality. Currently it is assumed that these requirements will be satisfied by Next Generation Network (NGN), which consists of two stratums and includes IP Multimedia Subsystem (IMS) elements. To guarantee Quality of Service (QoS) all NGN stratums...
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Relevance of Urban Freight Transport Modelling Towards the Challenges of Urban Freight Policy
PublikacjaThe main objective of this paper is to investigate how recent trends in urban freight transport analysis and modelling are related to urban freight measures set out in Gdynia’s 2016 Sustainable Urban Mobility Plan. Building on the literature a review framework was defined including 1) stakeholders, 2) descriptors, 3) objectives and 4) solution approach applied in freight modelling efforts. It was clear that the implementation...
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The impact of the overhead line's power supply system spatial differentiation on the energy consumption of trolleybus transport: planning and economic aspects
PublikacjaNowadays the issue of electric energy saving in public transport is becoming a key area of interest, which is connected both with a growth in environmental awareness of the society and an increase in the prices of fuel and electricity. It can be achieved by reducing of the transmission losses in supply system or by the improving of the usage of the regenerative breaking. The spatial differentiation of the energy supply system of...