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Wyświetlanie 1-15 z 71
Tytuł:
Gas Atomization Parametric Study on the VIGA-CC Based Synthesis of Titanium Powder
Autorzy:
Kim, Dae-Kyeom
Kim, Young-Il
Lee, Hwaseon
Kim, Young Do
Lee, Dongju
Lee, Bin
Kim, Taek-Soo
Powiązania:
https://bibliotekanauki.pl/articles/355636.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
powder production
gas atomization
titanium
orifice
Opis:
With the recent advancement in technology for titanium metal powder injection molding and additive manufacturing, high yield and good flowability powder production is needed. In this study, titanium powder was produced through vacuum induction melting gas atomization with a cold crucible, which can yield various alloy compositions without the need for material pretreatment. The gas behavior in the injection section was simulated according to the orifice protrusion length for effective powder production, and powder was prepared based on the simulation results. The gas distribution changes with the orifice protrusion length, which changes the location of the recirculation zone and production yield of the powder. The produced powders had a spherical morphology, and the content of impurities (N, O) changed with the injected-gas purity.
Źródło:
Archives of Metallurgy and Materials; 2020, 65, 3; 997-1000
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Study on kerosene atomization process under a high speed air stream
Autorzy:
Perkowski, W.
Irzycki, A.
Snopkiewicz, K.
Grudzień, Ł.
Kawalec, M.
Powiązania:
https://bibliotekanauki.pl/articles/247137.pdf
Data publikacji:
2011
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
transport
aircraft engine
combustion chamber
fuel atomization
Opis:
For the needs of fuel-injection system development for the experimental detonation combustion chamber with a rotating detonation (PoiG - Project: "Turbine engine with detonation combustion chamber") a series of experiments with injection of kerosene under a high speed air stream was performed at the Institute of Aviation. The proper preparation of combustible mixture is very important for the initiation and sustenance of a rotating detonation. The task in case of kerosene-air mixture is far more difficult than for mixtures of hydrogen-air or kerosene-oxygen. A simple stream injector has been tested as a base system, and the kerosene was injected perpendicular to the air stream vector directly from the plane wall of the constant cross-section channel. The process of injection and atomization of kerosene was observed in the special transparent visualization chamber, enabling the spray observation of two mutually perpendicular directions. In subsequent experiments air pressure, air temperature and air flow velocity as well as and injection pressure of kerosene were varied. The tested process was photographed and, in case of chosen experiments, filmed using a high-speed digital camera. The surveys were aimed at identifying and assessing of following parameters of fuel atomization process: the range of the fuel stream and filling grade of research channel with aerosol, aerosol homogeneity and the size of forming it droplets, the possible presence of fuel streams flowing down the walls of channel. The resulting photos allowed for more comprehensive, but only a qualitative assess of the spraying process, while the filmed small regions of visualization chamber allowed the counting down and dimensioning of droplets. This paper presents a test facility and measuring techniques applied during the research activity and selected results of carried out tests.
Źródło:
Journal of KONES; 2011, 18, 4; 341-347
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nozzle Clogging in Vacuum Induction Melting Gas Atomization: Influence of the Delivery-Tube and Nozzle Coupling
Autorzy:
Wang, Junfeng
Xia, Min
Wu, Jialun
Ge, Changchun
Powiązania:
https://bibliotekanauki.pl/articles/2174590.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
nozzle clogging
atomization
recirculation zone
delivery-tube
Opis:
Nozzle clogging seriously affects the continuity of spraying powder in vacuum induction melting gas atomization (VIGA) process and increases the consumption of gas and raw materials. However, there are few systematic studies on nozzle clogging. This paper reports the physics of nozzle clogging in gas atomization production. The influence of coupling-length of different melt delivery-tubes on nozzle clogging is studied numerically and experimentally. The interface tracking method of Volume of Fluid (VOF) and the large eddy simulation (LES) model are performed for visualizing the melt droplets flow traces in primary atomization and the associated simulation cloud images compared with experimental results. Four delivery-tube coupling-lengths (0 mm, 3 mm, 5 mm, and 7 mm) relative to nozzle position and two gas pressures (3 MPa and 4.5 MPa) are chosen for this study. The results indicated that the coupling-lengths of 0 mm and 3 mm increases the strength of the recirculation zone, the melt droplets backflow is obvious, and the nozzle is blocked. However, this phenomenon eliminated with increasing coupling-lengths, the atomization process is continuous, but the final fine powder yield decreases. This research is of guiding significance and reference for understanding the nozzle clogging of vacuum induction melting gas atomization (VIGA) technology.
Źródło:
Archives of Metallurgy and Materials; 2022, 67, 4; 1359--1370
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stabilność liposomowych nośników leków podczas rozpylania za pomocą wybranych urządzeń nebulizacyjnych
Stability of liposomal drug carriers during atomization in selected medical nebulizers
Autorzy:
Jabłczyńska, K.
Sosnowski, T. R.
Powiązania:
https://bibliotekanauki.pl/articles/2072172.pdf
Data publikacji:
2013
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
atomizacja
liposomy
enkapsulacja
inhalatory
atomization
liposomes
encapsulation
inhalers
Opis:
Badano wpływ metody atomizacji na trwałość rozpylanych liposomów jako nośników leków inhalacyjnych. Monitorując wielkość emitowanych kropel i stężenie enkapsulowanego trasera wykazano, że silne naprężenia towarzyszące atomizacji w nebulizatorze pneumatycznym silnie destabilizują rozpylany koloid. Korzystniejsze warunki atomizacji panują w inhalatorze typu VM, gdzie nie stwierdzono istotnej dezintegracji liposomów. Wyniki pozwalają na racjonalny dobór techniki atomizacji koloidu tiposomowego do zastosowań inhalacyjnych.
Influence of atomization method on the stability of liposomes being a novel carrier of inhalation medicines was studied. Measuring the droplet size and concentration of encapsulated tracer allowed one to demonstrate that pneumatic nebulization is destructive for liposomes due to high hydrodynamic stresses associated with liquid atomization. The VM nebulizer was shown to be less damaging for liposomes. The results allow for more rational selection of the atomizing device for delivery of atomized liposomes by inhalation.
Źródło:
Inżynieria i Aparatura Chemiczna; 2013, 5; 425--426
0368-0827
Pojawia się w:
Inżynieria i Aparatura Chemiczna
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hybrid atomization method suitable for production of fine spherical lead-free solder powder
Autorzy:
Minagawa, K.
Kakisawa, H.
Takamori, S.
Osawa, Y.
Halada, K.
Powiązania:
https://bibliotekanauki.pl/articles/146099.pdf
Data publikacji:
2006
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
ead-free solder
fine spherical powder
hybrid atomization
Opis:
In response to the problem of environmental protection, the electronic industry is studying the lead-free alloys as substitutes for lead-containing solder alloys. At the same time, with progress in electronic devices in recent years, smaller size and higher precision are strongly demanded in electronic board connections. Therefore, it is necessary to prepare fine powders of solder paste for these connections. To produce such lead-free solder balls, a novel powdermaking process, “hybrid atomization” that combines gas atomization and centrifugal atomization, was used. This technique produces very fine and spherical tin alloy powders with a mean diameter of about ten micrometers and very narrow size distribution with few satellites at low production cost. Taking a Sn-9mass%Zn alloy as an example, process experiments were carried out, and the effect of temperature, spray distance and disk rotating speed on the resultant powder properties were examined. The optimal processing conditions were determined from the results; the influences of the processing parameters on the properties of the obtained powders were quite different from those in the conventional atomization processes. The spherical powder with a mean diameter of 10.6 žm and a standard deviation of 1.3 ~ 1.7 was obtained in the determined optimum condition.
Źródło:
Nukleonika; 2006, 51,suppl.1; 83-88
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evolution of droplet size distribution in selected nebulizers
Autorzy:
Dobrowolska, Katarzyna
Sosnowski, Tomasz R.
Powiązania:
https://bibliotekanauki.pl/articles/1450682.pdf
Data publikacji:
2020
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
spraying
liquid atomization
aerosol dynamics
particle size distribution
Opis:
Nebulizers are the class of atomizing devices used to disperse liquids to fine droplets. They found their application in selected technological (typically: small-scale) processes, but their most common use is related to the generation of medicinal aerosols for inhalation. In this work we present the experimental data on the evolution of the size distributions of water droplets generated by two nebulizers (pneumatic and vibrating-mesh) as a result of aerosol mixing with the ambient air. Such a process reflects the real situation, where aerosol emitted from a nebulizer is diluted by additional air sucked by a patient during inhalation. Droplet size distribution was determined by laser diffraction, and these results were further discussed including the data of the aerosol velocity measured by the Laser Doppler Anemometry (LDA). It was demonstrated – as expected - that dilution with the ambient air with moderate humidity results in the intense evaporation of the smallest droplets. However, larger droplet may be saved to a different degree depending on the velocity and geometry of the aerosol cloud emitted from the nebulizer, and on the volume of the diluting air. These parameters have an influence on the droplet coalescence which is another process shaping the droplet size distribution in the studied conditions. The results can deepen the understanding of the mist dynamics which can be applied in various fields of colloidal science and technology.
Źródło:
Physicochemical Problems of Mineral Processing; 2020, 56, 6; 32-40
1643-1049
2084-4735
Pojawia się w:
Physicochemical Problems of Mineral Processing
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Symulacje numeryczne ruchu kropel cieczy w polu zderzających się strumieni powietrza
Numerical simulation of droplet velocity in impinging jets emulsifiers
Autorzy:
Sęk, J.
Dziubiński, M.
Bednarski, M.
Powiązania:
https://bibliotekanauki.pl/articles/2070654.pdf
Data publikacji:
2009
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
emulsje
zderzające się strumienie
rozpylanie
emulsions
impinging streams
atomization
Opis:
Praca dotyczy zagadnienia otrzymywania emulsji metodą zderzających się strumieni. Symulacje numeryczne wykonano korzystając z programu Fluent. Badano wpływ odległości pomiędzy rozpylaczami oraz prędkości ruchu kropel na wydajność procesu.
The paper deals with some working aspects of impinging jets emulsifiers. Modeling numerical simulations were carried out using Fluent program package. An influence of the distance between atomizers and velocity of droplets were analyzed from a point of view of system performance.
Źródło:
Inżynieria i Aparatura Chemiczna; 2009, 6; 166-167
0368-0827
Pojawia się w:
Inżynieria i Aparatura Chemiczna
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Numerical Investigation on the Gas Field Generated by High Pressure Gas Atomizer Focused on Physical Mechanisms of Gas Recirculation and Wake Closure Phenomenon
Autorzy:
Liu, Mingxiang
Zhou, Shan
Powiązania:
https://bibliotekanauki.pl/articles/2048804.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
gas field
aspiration pressure
recirculation mechanism
wake closure
atomization
Opis:
Physical mechanisms of gas recirculation and wake closure were investigated by modeling the gas field generated by High Pressure Gas Atomizer using computational fluid dynamics. A recirculation mechanism based on axial and radial gas pressure gradient was proposed to explain the gas recirculation. The occurrence of wake closure is regarded as a natural result when elongated wake is gradually squeezed by expansion waves of increasing intensity. An abrupt drop could be observed in the numerical aspiration pressure curve, which corresponds well with the experimental results. The axial gradient of gas density is considered as the reason that results in the sudden decrease in aspiration pressure when wake closure occurs. Lastly, it is found that a shorter protrusion length and a smaller melt tip diameter would lead to a smaller wake closure pressure, which could benefit the atomizer design to produce fine metal powder with less gas consumption.
Źródło:
Archives of Metallurgy and Materials; 2022, 67, 1; 167-174
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Deformation Temperature on the Magnetic Properties of PrFeB Alloy Fabricated by Gas Atomization
Autorzy:
Cho, Ju-Young
Song, Myung-Suk
Choa, Yong-Ho
Kim, Taek-Soo
Powiązania:
https://bibliotekanauki.pl/articles/2049154.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
PrFeB alloy
gas atomization
plastic deformation
rolling
REFeB magnet
Opis:
To form the fine micro-structures, the Pr17Fe78B5 magnet powders were produced in the optimized gas atomization conditions and it was investigated that the formation of the textures, microstructures, and the changes in the magnetic properties with increasing the deformation temperatures and rolling directions. Due to the rapid cooling system than the casting process, the homogenous microstructures were composed of the Pr-rich and Pr2Fe14B without any oxides and α-Fe and enables grain refinement. The pore ratios were 2.87, 1.42, and 0.22% at the deformation temperatures of 600, 700, 800°C, respectively in the rolled samples to align the c-axis which is the magnetic easy axis. Because Pr-rich phase cannot flow into the pore with a liquid state at low temperature, the improvement of pore densification was gradually observed with increasing deformation temperature. To confirm the magnetic decoupling effects of Pr2Fe14B phases by Pr-rich phases, the magnetic properties were investigated in rolled samples produced at the deformation temperature of 800°C. Although the remanent field is slightly decreased by 30%, the coercivity fields increased by about 2 times than that previous casted ingot. It is suggested that the gas atomization method can be suitable for fabricating grain refined and pure PrFeB magnets, and the plastic deformation conditions and rolling directions are a critical role to manipulate microstructure and magnetic properties.
Źródło:
Archives of Metallurgy and Materials; 2021, 66, 4; 955-958
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fabrication and Characterization of CoCrFeNiMn High Entropy Alloy Powder Processed by Gas Atomization
Autorzy:
Park, T. G.
Lee, S. H.
Lee, B.
Cho, H. M.
Choi, W. J.
Kim, B. S.
Shin, K. S.
Kim, T.-S.
Powiązania:
https://bibliotekanauki.pl/articles/353649.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
high entropy alloy
gas atomization
spark plasma sintering
CoCrFeNiMn
Opis:
In this study, precisely controlled large scale gas atomization process was applied to produce spherical and uniform shaped high entropy alloy powder. The gas atomization process was carried out to fabricate CoCrFeNiMn alloy, which was studied for high ductility and mechanical properties at low temperatures. It was confirmed that the mass scale, single phase, equiatomic, and high purity spherical high entropy alloy powder was produced by gas atomization process. The powder was sintered by spark plasma sintering process with various sintering conditions, and mechanical properties were characterized. Through this research, we have developed a mass production process of high quality and spherical high entropy alloy powder, and it is expected to expand applications of this high entropy alloy into fields such as powder injection molding and 3D printing for complex shaped components.
Źródło:
Archives of Metallurgy and Materials; 2018, 63, 2; 1055-1059
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Study of the influence of different factors on combustion processes (Part two)
Autorzy:
Jankowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/242071.pdf
Data publikacji:
2009
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
combustion engines
combustion processes
fuel atomization
combustion modelling
laser research
Opis:
The gas-phase occurs in homogeneous or heterogeneous form. In thefirst case the kinetics of chemical reactions controls processes of the combustion, in second, heterogeneous one - processes to run most slow down. For liquid fuels, decomposition processes of the liquid phase occur, that is processes vaporize of the fuel. Decomposition processes need a lot of heat, run slowly down than processes of the preparation of the mixture in gas phase of. The influence of the pressure on processes of the combustion of liquid fuels differs from the influence on the processes of the combustion of fuel gases. Pressure increasing decreases the intensity decomposition of the liquid phase. Flow of combustion gases intensifies combustion processes. Example-test results PIV velocity field, test results with LDV and PDPA are presented in the paper. The linear and volumetric distribution of the drop, and the Rosin - Rammler dependences as well as the course of the combustion process in the constant volume chamber are an object of the paper. The paper describes the mathematical model of the combustion process of the liquid fuel. Realized initial measurement of the boundary-layer thickness under model conditions with using of the LDV laser-equipment showed that the close relationship between the kinds of the boundary-layer existed, with its thickness and rate of the combustion of liquid fuels, washed with the gases stream. The pressure additionally bears on the velocity component of combustion rate, whereat this influence depends mostly from the kind of the fuel.
Źródło:
Journal of KONES; 2009, 16, 3; 135-140
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Study of the influence of different factors on combustion processes (Part one)
Autorzy:
Jankowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/244145.pdf
Data publikacji:
2009
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
combustion engines
combustion processes
fuel atomization
combustion modelling
laser research
Opis:
Combustion processes of liquid fuels are more complicated than gases fuels ones. With reference to liquid fuels appear additionally fuel vaporization processes and e.g. with reference to solid fuels - decomposition of the solid phase with processes melting, vaporization, pyrolysis, or gasification. Those processes demand a lot of heat, go ahead slow down than processes in gas phase. The influence of the gases pressure on combustion of liquid and solid fuels, where controlling processes are processes decomposition of these phases, is more complicated and fundamentally differs from the influence of the pressure on combustion processes of gases fuels. The influence is characterized to these that pressurization decreases the intensity decomposition both the liquid phase, and solid one. In the paper assumptions to a model of the combustion process and the model of combustion processes of liquid fuels are presented. Research of the atomization process, ignition and combustion with the using of the LDV and PDPA Doppler laser-equipment and PIV are presented in the paper. Research results of the atomized fuel spray concerning droplet diameters, research result of the atomized fuel spray concerning linear and volumetric dropletlet dispersion, Rosin-Rammler dependences, and results of the analysis of the combustion rate are presented in the paper. On combustion rate of liquid fuels, the essential influence has a kind (laminar, transient and turbulent) and the thickness of the thermal boundary layer around the fuel droplet.
Źródło:
Journal of KONES; 2009, 16, 1; 209-216
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effervescent atomization of glycerol aqueous solutions
Autorzy:
Broniarz-Press, L.
Ochowiak, M.
Włodarczyk, S.
Markuszewska, M.
Powiązania:
https://bibliotekanauki.pl/articles/175506.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
spray
effervescent atomization
viscosity
drop size histogram
sauter mean diameter
Opis:
Paper presents the rheological characteristics of glycerol aqueous solutions and spray structures, droplets diameters, drop size histograms for effervescent atomizers. The study shows a nonlinear relation between the Sauter mean diameter and the gas to liquid mass flow ratio. By increasing the concentration of glycerol the solution viscosity tends also to increase. The experimental results show that the size of droplets depends on the liquid viscosity. The diameter of droplets increases with increase of liquid viscosity. Drops size histograms based on the number of drops showed the increase in number of large and the decrease in small droplets with increase of concentration of glycerol. Additionally, the characteristic stages of atomized liquid have been presented: the jet with built-in bubbles (slug flow), satellite bubbles and connected bubbles.
Źródło:
Transactions of the Institute of Fluid-Flow Machinery; 2013, 125; 29-38
0079-3205
Pojawia się w:
Transactions of the Institute of Fluid-Flow Machinery
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The analysis of pressure drop, spray angle, and sprinkling intensity distribution in the spray stream produced by the water-foam nozzle
Autorzy:
Ochowiak, Marek
Krupińska, Andżelika
Włodarczak, Sylwia
Matuszak, Magdalena
Zielińska, Patrycja
Czernek, Krystian
Witczak, Stanisław
Wilk, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/2106484.pdf
Data publikacji:
2022
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
fire safety
harvest fire prevention
atomization
spraying intensity
pressure drops
Opis:
This paper summarises a series of large-scale fire suppression tests conducted to simulate a fire in the big surface and/or surface sprinkling. The subject of this paper is the research on water spraying with the use of the Turbo Jet 2011 water-foam nozzle manufactured by Supon Białystok. The results discuss the pressure losses caused by the flow through the discharge hose, spray angle, and the intensity of surface sprinkling. The greatest stream ranges and the highest maximum values of the sprinkling intensity were obtained at the capacity of 400 l/min, and a solid spray angle. The smallest values were obtained at 200 l/min, a pressure of 5 bar, and a solid spray angle. The actual pressures taking into account the losses in the hose section were calculated. As for the highest firefighting effectiveness of the stream, the authors recommended the following parameters: semi spray angle, 200 l/min, and 2.5 bar.
Źródło:
Polish Journal of Chemical Technology; 2022, 24, 2; 42--49
1509-8117
1899-4741
Pojawia się w:
Polish Journal of Chemical Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reduction emission level of harmful components exhaust gases by means of control of parameters influencing on spraying process of biofuel components for aircraft engines
Autorzy:
Jankowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/245547.pdf
Data publikacji:
2011
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
transport
aircraft engines
alternative fuels
fuel atomization
exhaust gas emissions
Opis:
The aim of the research is to test the fuel additives which decrease dimensions of atomised fuel drops, by applying changes to the specific parameters which impact the atomisation process. Those parameters include density, surface tension, viscosity and the viscosity index. Dimensions of drops of biofuels are much bigger compared to hydrocarbon fuels. By modifying the physical and chemical parameters of biofuels, dimensions of drops in an atomised fuel stream should become smaller. Those dimensions play a major role for the level of emissions of hydrocarbon and carbon monoxide, as well as mainly nitrogen oxides and particulates. The research on emissions of toxic components of fuel is relatively advanced today in the field of piston combustion engines, especially for use in car vehicles. However, the dynamic development of the air transport brings more pressure on the issue of toxic emissions in the case of aircraft engines. The level of toxic emissions from aircraft engines may be from ten up to even several thousand times greater than the level of emissions from piston engines. The issue of how biofuel additives can affect the process of fuel atomisation and thus enable the control over the atomisation to obtain the smallest possible drops leading to reduced nitrogen oxides emissions is a new and original issue. The reduced nitrogen oxides emissions in the case of biofuels is of utmost significance because, according to latest knowledge, those levels are increasing.
Źródło:
Journal of KONES; 2011, 18, 3; 129-134
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
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