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Wyświetlanie 1-15 z 67
Tytuł:
Electrical discharge machining of difficult to cut materials
Autorzy:
Świercz, R.
Oniszczuk-Świercz, D.
Dąbrowski, L.
Powiązania:
https://bibliotekanauki.pl/articles/139553.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
EDM
Inconel 718
surface roughness
material removal rate
response surface methodology (RSM)
chropowatość powierzchni
szybkość usuwania materiału
metodologia powierzchni odpowiedzi (RSM)
Opis:
The development of industry is determined by the use of modern materials in the production of parts and equipment. In recent years, there has been a significant increase in the use of nickel-based superalloys in the aerospace, energy and space industries. Due to their properties, these alloys belong to the group of materials hard-to-machine with conventional methods. One of the non-conventional manufacturing technologies that allow the machining of geometrically complex parts from nickel-based superalloys is electrical discharge machining. The article presents the results of experimental investigations of the impact of EDM parameters on the surfaces roughness and the material removal rate. Based on the results of empirical research, mathematical models of the EDM process were developed, which allow for the selection of the most favourable processing parameters for the expected values of the surface roughness Sa and the material removal rate.
Źródło:
Archive of Mechanical Engineering; 2018, LXV, 4; 461-476
0004-0738
Pojawia się w:
Archive of Mechanical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mathematical Modeling of Material Erosion During the Electrical Discharge
Autorzy:
Gulbinowicz, Zbigniew
Goroch, Olgierd
Skoczylas, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/103392.pdf
Data publikacji:
2020
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
rotary electrical discharge machining
rotary electrochemical arc/discharge machining
rotacyjna obróbka elektroerozyjna
rotacyjna elektrochemiczna obróbka łukowa/wyładowcza
Opis:
The main factors in Electro Discharge Machining (EDM) are the material removal rate and the relative electrode-tool wear. The material removal rate and the relative electrode-tool wear depend on many parameters, in particular on the parameter of electrical discharge and the properties of electrode materials. The developed mathematical model describes the relationship between the parameters of material removal from electrodes and machining parameters. In order to estimate the volume of material removed from electrode, a mathematical model of erosion for single electrical discharge was applied. Estimation of material removal was determined using energy balance. The experimental results confirm the validity of the developed mathematical model.
Źródło:
Advances in Science and Technology. Research Journal; 2020, 14, 2; 27-33
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
FTIR and FDS assessment of mineral oil under low electrical discharge
Autorzy:
Boudraa, Saliha
Benabed, Fadila
Fofana, Issouf
Mokhnache, Leila
Powiązania:
https://bibliotekanauki.pl/articles/2096187.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
Tematy:
mineral oil
diagnostic
low electrical discharge
infrared spectroscopy
dielectric spectroscopy
olej mineralny
diagnostyka
wyładowanie elektryczne
spektroskopia w podczerwieni
spektroskopia dielektryczna
Opis:
Transformers are crucial elements in the transmission and distribution of electrical energy. The importance of diagnosing these equipments are two-fold: (1) the necessity of service reliability and (2) the likelihood to avoid economic and environmental concerns. Under service conditions, the electrical and thermal stresses or chemical contaminants may degrade the insulation oil inside the transformer and cause incipient failures or reduce its service life. Partial discharges well recognized to be among the most common stresses that can lead to slow but steady degradation of insulating oil in transformers. The present work aims at understanding the influence of low energy electrical discharge on mineral oil based on two spectroscopic methods: FTIR spectroscopy and Frequency Domain Spectroscopy (FDS). An electrical fault has been created by continuous discharge of 10 kV on the surface of various oil samples according to the ASTM D6180. From the FDS results, it was found that the amount of charge carriers and moisture increased with the aging time elapsed that influences the conduction phenomena and in turn, increases the dissipation factor. These results are confirmed by the FTIR results, which show that the intensity of the peak absorbance of the C–H and C-C functional group decreased with aging. The application of these two methods may help monitoring the condition of oil. A combined FTIR and FDS measurements highlighted the correlations between modifications in electrical properties and changes in the chemical structure of the oil under electrical accelerated ageing.
Źródło:
Diagnostyka; 2022, 23, 2; art. no. 2022208
1641-6414
2449-5220
Pojawia się w:
Diagnostyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Testing of carbon fibres as tool electrodes in micro electrical discharge machining
Autorzy:
Kudla, L.
Trych, A.
Powiązania:
https://bibliotekanauki.pl/articles/385286.pdf
Data publikacji:
2009
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
electrical discharge machining (EDM)
micromachining
carbon fibres electrodes
Opis:
The aim of this paper is to present the outcomes of the experiments concerning micro electrical discharge machining with the use of carbon fibres as tool electrodes. Key properties of carbon fibres are discussed and the procedure of such electrodes fabrication is also described. Conducted tests indicate promising perspectives for machining with such electrodes by means of shaping microcavities, but at the same time they reveal problems. A longitudinal machining as well as experiments with different electric parameters were presented. Finally, the influence of discharge energy is being considered.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2009, 3, 4; 153-156
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Data Mining Approach for Analysis of a Wire Electrical Discharge Machining Process
Autorzy:
Dandge, Shruti Sudhakar
Chakraborty, Shankar
Powiązania:
https://bibliotekanauki.pl/articles/2023974.pdf
Data publikacji:
2021-09
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
wire electrical discharge machining
data mining
classification and regression tree
chi-squared
automatic interaction detection
classification
Opis:
Wire electrical discharge machining (WEDM) is a non-conventional material-removal process where a continuously travelling electrically conductive wire is used as an electrode to erode material from a workpiece. To explore its fullest machining potential, there is always a requirement to examine the effects of its varied input parameters on the responses and resolve the best parametric setting. This paper proposes parametric analysis of a WEDM process by applying non-parametric decision tree algorithm, based on a past experimental dataset. Two decision tree-based classification methods, i.e. classification and regression tree (CART) and Chi-squared automatic interaction detection (CHAID) are considered here as the data mining tools to examine the influences of six WEDM process parameters on four responses, and identify the most preferred parametric mix to help in achieving the desired response values. The developed decision trees recognize pulse-on time as the most indicative WEDM process parameter impacting almost all the responses. Furthermore, a comparative analysis on the classification performance of CART and CHAID algorithms demonstrates the superiority of CART with higher overall classification accuracy and lower prediction risk.
Źródło:
Management and Production Engineering Review; 2021, 13, 3; 116-128
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of the wire electrical discharge machinability of roots of steam turbine blades
Autorzy:
Poroś, D.
Zaborski, S.
Powiązania:
https://bibliotekanauki.pl/articles/99583.pdf
Data publikacji:
2010
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
turbine blades
heat treatment
WEDM
Opis:
This paper presents method for the unconventional machining of the blades of steam turbines. Blade material as steel X12Cr13 was chosen into the investigation. Blade failures in gas turbine engines often lead to loss of all downstream stages and can have a dramatic effect on the availability of the turbine engines.. Conventional machining of the roots of steam turbine blades causes high temperature and rapid wear of tool which makes machining expensive WEDM is currently regarded among the most popular non-conventional machining. WEDM allows treatment of hard, brittle materials and composite, irrespective of their structure (thin-wall components) and mechanical properties. Submitted work is an analysis of potential impact on the received thickness of heat affected zone by appropriate heat treatment of material prior to WEDM. Such action is intended to eliminate or reduce the initiating impact of any microcracks on the formation of surface defects on the turbine blades roots during operation. The aim of the article is to replace the traditional methods of machining the blades roots by WEDM and thus the elimination of problems such as the need to monitor the tool wear. The presented experimental study was carried out on a modern wire EDM Sodick AQ327L. Investigated were the effects of WEDM of X12Cr13 steel as the Heat Affected Zone, the micro-fractures and surface roughness parameters.
Źródło:
Journal of Machine Engineering; 2010, 10, 1; 70-77
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modele szczeliny międzyelektrodowej dla obróbki elektroerozyjnej
Spark gap models for electrical discharge machining
Autorzy:
Mysiński, W.
Powiązania:
https://bibliotekanauki.pl/articles/378222.pdf
Data publikacji:
2016
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
proces elektroerozyjny
generator EDM
szczelina międzyelektrodowa
symulacja komputerowa
Opis:
Obróbka elektroerozyjna (ang. EDM - Electric Discharge Machining), jest powszechnie używana w obróbce materiałów twardych i bardzo twardych lub do wycinania/ drążenia bardzo złożonych kształtów. Podstawą tego procesu jest kontrolowane wykorzystanie destrukcyjnego wpływu wyładowań elektrycznych, które zachodzą w szczelinie międzyelektrodowej, czyli pomiędzy elektrodą roboczą a materiałem obrabianym. W maszynach elektroerozyjnych (elekrodrążarkach) generator mocy zasila impulsami szczelinę powodując wystąpienie procesu elektroerozyjnego. W artykule przestawiono modele zastępcze szczeliny międzyelektrodowej, które są przydatne w procesie projektowania i badań symulacyjnych generatorów EDM. Działanie modeli szczelin przedstawiono za pomocą symulacji komputerowych w programie LTspice.
Electrical Discharge Machining is a process that is commonly used to machine hard and extra-hard materials and to cut/produce very intricate shapes. This method involves putting to controlled use the destructive power of electrical discharges occurring in a spark gap, or in the space between the electrode and the workpiece. In electrical discharge machines the power generator applies voltage pulses to the spark gap, thus causing the machining process to begin. This article presents equivalent spark gap models that are useful in the design and simulation testing of EDM generators. Spark gap model operation is presented using computer simulations performed in the LTspice simulator.
Źródło:
Poznan University of Technology Academic Journals. Electrical Engineering; 2016, 86; 351-362
1897-0737
Pojawia się w:
Poznan University of Technology Academic Journals. Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Starches Modified by Combination of Phosphorylation and High-Voltage Electrical Discharge (HVED) Treatment
Autorzy:
Grgić, Ivanka
Grec, Marijana
Gryszkin, Artur
Zięba, Tomasz
Kopjar, Mirela
Ačkar, Đurđica
Jozinović, Antun
Miličević, Borislav
Zavadlav, Sandra
Babić, Jurislav
Powiązania:
https://bibliotekanauki.pl/articles/1363283.pdf
Data publikacji:
2021
Wydawca:
Instytut Rozrodu Zwierząt i Badań Żywności Polskiej Akademii Nauk w Olsztynie
Tematy:
cereal starch
tuber starch
HVED
phosphorylation
physicochemical properties
Opis:
Starch is extensively used in the food industry as a texture modifier, a fat substitute, and in other applications. To optimise starch functional properties for specific use, it is subjected to various modifications. High-voltage electrical discharge (HVED) treatment, as a non-thermal and rapid process, was applied in this research as a single method and in combination with phosphorylation in order to explore its potential for improving starch physicochemical properties. Maize, wheat, potato, and tapioca starches were modified, and Na5P3O10 and Na2HPO4 were used for phosphorylation. Starch gelatinisation parameters (by DSC); paste clarity; and contents of amylose, damaged starch, and resistant starch were determined; and FTIR-ATR spectra were recorded. All modifications reduced the enthalpy of gelatinisation and decreased contents of amylose, resistant starch, and damaged starch. The effect of the HVED treatment on starch properties depended on starch type and combinations with chemicals. HVED could act as an aid in the starch phosphorylation process since the properties analysed were more effectively improved when HVED was combined with phosphorylation than by phosphorylation alone.
Źródło:
Polish Journal of Food and Nutrition Sciences; 2021, 71, 1; 79-88
1230-0322
2083-6007
Pojawia się w:
Polish Journal of Food and Nutrition Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An Influence of Parameters of Micro-electrical Discharge Machining on Wear of Tool Electrode
Autorzy:
Puthumana, G.
Powiązania:
https://bibliotekanauki.pl/articles/139636.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
micro-EDM
tool wear ratio
process inputs
statistical methods
main effects
interactions
regression analysis
mikro-EDM
wskaźnik zużycia narzędzia
wejścia procesowe
metody statystyczne
efekty główne
interakcje
analiza metodą regresji
Opis:
To achieve better precision of features generated using the micro-electrical discharge machining (micro-EDM), there is a necessity to minimize the wear of the tool electrode, because a change in the dimensions of the electrode is reflected directly or indirectly on the feature. This paper presents a novel modeling and analysis approach of the tool wear in micro-EDM using a systematic statistical method exemplifying the influences of capacitance, feed rate and voltage on the tool wear ratio. The association between tool wear ratio and the input factors is comprehended by using main effect plots, interaction effects and regression analysis. A maximum variation of four-fold in the tool wear ratio have been observed which indicated that the tool wear ratio varies significantly over the trials. As the capacitance increases from 1 to 10 nF, the increase in tool wear ratio is by 33%. An increase in voltage as well as capacitance would lead to an increase in the number of charged particles, the number of collisions among them, which further enhances the transfer of the proportion of heat energy to the tool surface. Furthermore, to model the tool wear phenomenon, a regression relationship between tool wear ratio and the process inputs has been developed.
Źródło:
Archive of Mechanical Engineering; 2017, LXIV, 2; 149-163
0004-0738
Pojawia się w:
Archive of Mechanical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigation of the Influence of Process Parameters on Shape Deviation after Wire Electrical Discharge Machining
Autorzy:
Świercz, R.
Oniszczuk-Świercz, D.
Zawora, J.
Marczak, M.
Powiązania:
https://bibliotekanauki.pl/articles/355430.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
wire electrical discharge machining
WEDM
shape deviation
CFD
Opis:
New materials require the use of advanced technology in manufacturing parts of complex shape. One of the modern non-conventional technology of manufacturing difficult to cut materials is the wire electrical discharge machining (WEDM). The article presents the results of theoretical and experimental research in the influence of the WEDM conditions and parameters on the shape deviation during a rough cut. A numerical model of the dielectric flow in the gap (ANSYS) was developed. The influence of the dielectric velocity field in the gap on the debris evacuation and stability of WEDM process was discussed. Furthermore, response surface methodology (RSM) was used to build empirical models for influence of the wire speed Vd, wire tension force Fn, the volume flow rate of the dielectric Qv on the flatness deviation after the WEDM.
Źródło:
Archives of Metallurgy and Materials; 2019, 64, 4; 1457-1462
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Observation and Properties of the van der Waals Dimer Ar···HCCCN Produced in Electrical Discharge
Autorzy:
Desyatnyk, O.
Kosarzewski, J.
Kisiel, Z.
Powiązania:
https://bibliotekanauki.pl/articles/2036980.pdf
Data publikacji:
2003-11
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
33.15.Dj
33.15.Mt
33.15.Pw
33.20.Bx
36.40.Mr
Opis:
The weakly bound van der Waals dimer between a molecule of cyanoacetylene and an argon atom was observed by rotational spectroscopy of supersonic expansion. Cyanoacetylene was generated in situ from vinyl cyanide precursor by means of a high voltage discharge just downstream of the expansion nozzle. Both $\text{}^{b}$R- and $\text{}^{b}$Q-type rotational transitions were measured and rotational, centrifugal distortion, and nuclear quadrupole splitting constants were determined. Analysis of the data shows that ground state geometry of the dimer is characterised by R$\text{}_{cm}$=3.65Å andθ=94.9º, with the Ar atom shifted from the position above the cyanoacetylene centre of mass in the direction of the CN group.
Źródło:
Acta Physica Polonica A; 2003, 104, 5; 415-424
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of SWARA-CoCoSo-based approach for tool selection of an electrical discharge machining process
Autorzy:
Kumar, Vidyapati
Mohata, Abhishek
Mistri, Ankita
Bartoszuk, Marian
Powiązania:
https://bibliotekanauki.pl/articles/34656176.pdf
Data publikacji:
2023
Wydawca:
Politechnika Opolska
Tematy:
tool selection
MCDM
SWARA method
CoCoSo
EDM process
Opis:
Electrical discharge machining (EDM) is a non-traditional machining process widely used in manufacturing to create complex geometries on hard-to-machine materials. The tool material used in EDM plays a crucial role in determining the machining performance and final surface finish of the workpiece. In this research, we aimed to optimize the tool selection for creating circular holes on SG iron (grade 450/12) using EDM. To this end, we employed a step-wise weight assessment ratio analysis (SWARA) based combined compromise solution (CoCoSo) approach to evaluate the performance of different tool materials under various machining conditions. The machining conditions considered in this study included peak current (I), pulse-on time (Ton), and inter-electrode gap (IEG). The results of our study showed that the CoCoSo approach is an effective method for tool selection in EDM, and it can be used to identify the optimal tool material and machining conditions for creating circular holes on SG iron. The final appraisal scores obtained from the ranking of tool materials indicated that copper tools scored highest (2.4767, ranking 1), followed by copper tungsten (2.3615, ranking 2), while brass scored lowest (1.6606, ranking 3). Furthermore, Spearman's rank correlations for different integrated MCDM techniques were performed, which demonstrated the efficacy of this technique. It has been demonstrated that implementing the SWARA-CoCoSo method can effectively optimize the EDM process with regard to sustainable machining practices.
Źródło:
Sustainable Production, Instrumentation and Engineering Sciences; 2023, 1, 1; 19-26
2956-6711
Pojawia się w:
Sustainable Production, Instrumentation and Engineering Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An Investigation on Surface and Electrical Properties of Electrical Discharge Machined AISI D2 Tool Steel
Autorzy:
Durmus, A.
Bayram, A.
Gunes, S.
Akay, S.
Powiązania:
https://bibliotekanauki.pl/articles/1182843.pdf
Data publikacji:
2014-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
52.80.-s
81.65.-b
Opis:
The effects of pulse-on duration and finishing operation on the surface roughness and electrical resistivity of AISI D2 tool steel machined by the electrical discharge machining process are investigated. Experimental results indicate that surface roughness increased depending on the pulse-on duration. However, after the specific value, surface roughness is decreased. It can be seen that there are no notable effects of the pulse-on duration on the electrical resistivity, but the resistivity values are affected by the heat treatment and the finishing operation. Also, light microscopy and scanning electron microscopy have been used to study the characteristics of the surfaces.
Źródło:
Acta Physica Polonica A; 2014, 125, 2; 515-517
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Selected problems of electrical discharge machining (EDM) of metal composite materials applied in manufacturing of mechanical vehicles
Autorzy:
Perończyk, J.
Powiązania:
https://bibliotekanauki.pl/articles/244481.pdf
Data publikacji:
2011
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
vehicles
metal composite materials
electrical discharge machining (EDM)
electrical discharge cutting (WEDM)
surface layer (SL)
Opis:
The paper presents examples of applications for metal composite materials on Al matrix reinforced with ceramic particles in the form of grains, fibre or whiskers in the automotive industry. Highlighted are the advantages and drawbacks of such composite materials and issues involved in shaping complete parts. Presence of hard and brittle ceramic particles in the Al alloy (given their sufficient concentration) significantly impacts on the physical, chemical and mechanical properties of the material and its suitability for shaping complete parts and constituting a surface layer (SL) with required properties. In making metal composite materials of Al alloys, various (including the latest) methods of casting are applied, often in combination with press molding in semi-fluid state, as well as powder metallurgy (P/M) methods. The final machining of functionally significant surfaces is done by machining (by all ways and variants). With presence of more than 5% (by volume) ceramic reinforcing particles it becomes necessary to use cutting blades of the so-called super hard materials, including composites of polycristalline diamond and diamond. This considerably increases manufacturing costs. Electrical discharge machining has proved to be an effective way for shaping metal parts, in all its variants: sinker (EDM), wire erosion (WEDM), micromachining (ěEDM), shaping by free electrode (REDM), discharge grinding (AEDM) and other. Cited in the paper are the results of own research connected with EDM and WEDM of Al alloys composite cast and reinforced with particles of Al2O3 (AlSi7Mg + 20%Al2O3) and a composite material produced by powder metallurgy methods (P/M) reinforced with various (maximum 10%) concentrations of Al2O3 or SiC or Si3N4. EDM and WEDM technological characteristics were defined for the studied materials in the form of regressive dependencies as statistical models of given indicators allowing for defining impact of machining parameters on shaping the indicators. In addition, there are selected photos of metallographic structures, enabling observation and evaluation of surface layer phase changes and chemical composition after EDM. The highly enlarged SEM micro-photos which are included show the geometric structure of machined surface, micro-cracks on borders of the composite material grains, presence of minor reinforcement particles adhering to the surface. This confirms the complex nature of electrical discharge machining mechanism taking place locally after very high temperatures and in a very short time, in presence of cold dielectric.
Źródło:
Journal of KONES; 2011, 18, 1; 429-442
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Environmental application of electrical discharge for ozone treatment of soil
Zastosowanie wyładowania elektrycznego do ozonowania gleby
Autorzy:
Abiru, T.
Mitsugi, F.
Ikegami, T.
Ebihara, K.
Aoqui, S.-I.
Nagahama, K.
Powiązania:
https://bibliotekanauki.pl/articles/408722.pdf
Data publikacji:
2015
Wydawca:
Politechnika Lubelska. Wydawnictwo Politechniki Lubelskiej
Tematy:
ozone treatment
sterilization
soil
nutrient
pH(H2O)
ozonowanie
sterylizacja
gleby
substancje odżywcze
pH (H2O)
Opis:
In this study, influence of ozone treatment on physical properties of soil was investigated. We used a quartz container for ozone treatment of soil. The amount of soil used for treatment was 100 g. Treating time was 90 minutes. Flow rate of ozone gas was 1.5 L/min. We measured characteristics of soil such as inorganic nutrient (NO3-N, NO2-N, and NH4-N), pH(H2O), fungi, DNA of soil, and exchangeable bases (Ca, K, Fe, and Al) before and after ozone treatment.
W niniejszym opracowaniu, opisano badania wpływu obróbki ozonem na własności fizyczne gleby. Do ozonowania gleby wykorzystaliśmy pojemnik kwarcowy. Ilość gleby poddanej działaniu ozonu wynosiła 100g, a czas oddziaływania 90 minut. Przepływ ozonu wyniósł 1.5l/min. Mierzono właściwości gleby, takie jak nieorganiczne składniki odżywcze (NO3-N, NO2-N i NH4-N), pH(H2O), grzyby, DNA w glebie i zasady wymienne (Ca, K, Fe i Al) przed i po poddaniu jej działaniu ozonu
Źródło:
Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska; 2015, 4; 42-44
2083-0157
2391-6761
Pojawia się w:
Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
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