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Tytuł:
Łupki antrakozjowe niecki śródsudeckiej w świetle wskaźników geochemii organicznej - wstępne wyniki analizy bituminów
The Anthracosia Shales from the Intra-Sudetic Basin in the light of organic geochemistry proxies - preliminary results of bitumen study
Autorzy:
Dąbek-Głowacka, Jolanta
Wójcik-Tabol, Patrycja
Nowak, Grzegorz J.
Wendorff-Belon, Małgorzata
Marynowski, Leszek
Powiązania:
https://bibliotekanauki.pl/articles/20248857.pdf
Data publikacji:
2023
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
antrakozjowe niecki
n-alkany
dojrzałość materii organicznej
Anthracosia Shales
n-alkanes
organic matter maturity
Opis:
The lacustrine Anthracosia Shales of the Intra-Sudetic Basin are sediments that have become the subject of interest due to their dark colour, indicating an increased content of dispersed organic matter. The published data concern the characteristics of macerals, vitrinite reflectance, the results of Rock-Eval pyrolysis and the results of palynological tests. The above studies were supplemented with the current analysis of the extracted bitumens. The results of the distribution of n-alkanes in the Anthracosia Shales corresponds with the results of macerals and palynology. The dominance of short-chain homologues indicates the microbial-algal origin of the organic matter. Some contribution of terrestrial organic matter is not excluded. Three lithofacies intervals differing geochemically have been distinguished: I - dark grey calcareous claystones rich in aliphatic compounds of microbial and algal origin; II - grey mudstones with siderites containing a lower amount of aliphatic compounds in favour of polar and aromatic compounds; III -weakly calcareous mudstones and sandstones, poor in terrestrial organic matter. The distribution of n-alkanes, phenanthrene and methylphenanthrenes (CPI, MPI, MPR, PP1) shown that the maturity of the organic substance is within the oil window. This is further supported by the Rock-Eval data and vitrinite reflectance values.
Źródło:
Przegląd Geologiczny; 2023, 71, 5; 269-273
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Prevalence of burnout among healthcare professionals during the COVID-19 pandemic and associated factors – a scoping review
Autorzy:
Stodolska, Agata
Wójcik, Grzegorz
Barańska, Ilona
Kijowska, Violetta
Szczerbińska, Katarzyna
Powiązania:
https://bibliotekanauki.pl/articles/2203018.pdf
Data publikacji:
2023-03-02
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
burnout
workplace stress
prevalence
review literature
COVID-19
health care professionals
Opis:
The outbreak of the COVID-19 pandemic exerted significant mental burden on healthcare workers (HCWs) operating in the frontline of the COVID-19 care as they experienced high levels of stress and burnout. The aim of this scoping review was to identify prevalence and factors associated with burnout among HCWs during the first year of the COVID-19 pandemic. A literature search was performed in PubMed, Web of Science, and CINAHL. Studies were selected based on the following inclusion criteria: cross-sectional, longitudinal, case-control, or qualitative analyses, published in peer-reviewed journals, between January 1, 2020 and February 28, 2021. Studies carried out on other occupations than healthcare workers or related to other pandemics than COVID-19 were excluded. Following the abstract screen, from 141 original papers identified, 69 articles were eventually selected. A large variation in the reported burnout prevalence among HCWs (4.3–90.4%) was observed. The main factors associated with increase/ decrease of burnout included: demographic characteristics (age, gender, education level, financial situation, family status, occupation), psychological condition (psychiatric diseases, stress, anxiety, depression, coping style), social factors (stigmatisation, family life), work organization (workload, working conditions, availability of staff and materials, support at work), and factors related with COVID-19 (fear of COVID-19, traumatic events, contact with patients with COVID-19, having been infected with COVID-19, infection of a colleague or a relative with COVID-19, higher number of deaths observed by nurses during the COVID-19 pandemic). The findings should be useful for policy makers and healthcare managers in developing programs preventing burnout during the current and future pandemics. Int J Occup Med Environ Health. Int J Occup Med Environ Health. 2023;36(1):21–58
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2023, 36, 1; 21-58
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Prevalence of burnout among healthcare professionals during the COVID-19 pandemic and associated factors – a scoping review
Autorzy:
Stodolska, Agata
Wójcik, Grzegorz
Barańska, Ilona
Kijowska, Violetta
Szczerbińska, Katarzyna
Powiązania:
https://bibliotekanauki.pl/articles/2189664.pdf
Data publikacji:
2023
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
burnout
workplace stress
prevalence
review literature
COVID-19
health care professionals
Opis:
The outbreak of the COVID-19 pandemic exerted significant mental burden on healthcare workers (HCWs) operating in the frontline of the COVID-19 care as they experienced high levels of stress and burnout. The aim of this scoping review was to identify prevalence and factors associated with burnout among HCWs during the first year of the COVID-19 pandemic. A literature search was performed in PubMed, Web of Science, and CINAHL. Studies were selected based on the following inclusion criteria: cross-sectional, longitudinal, case-control, or qualitative analyses, published in peer-reviewed journals, between January 1, 2020 and February 28, 2021. Studies carried out on other occupations than healthcare workers or related to other pandemics than COVID-19 were excluded. Following the abstract screen, from 141 original papers identified, 69 articles were eventually selected. A large variation in the reported burnout prevalence among HCWs (4.3–90.4%) was observed. The main factors associated with increase/ decrease of burnout included: demographic characteristics (age, gender, education level, financial situation, family status, occupation), psychological condition (psychiatric diseases, stress, anxiety, depression, coping style), social factors (stigmatisation, family life), work organization (workload, working conditions, availability of staff and materials, support at work), and factors related with COVID-19 (fear of COVID-19, traumatic events, contact with patients with COVID-19, having been infected with COVID-19, infection of a colleague or a relative with COVID-19, higher number of deaths observed by nurses during the COVID-19 pandemic). The findings should be useful for policy makers and healthcare managers in developing programs preventing burnout during the current and future pandemics. Int J Occup Med Environ Health. 2023;36(1)
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2023, 36, 1; 21-58
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of Pyrolox sorbent for vanadium(V) ions removal
Autorzy:
Wójcik, Grzegorz
Hubicki, Zbigniew
Powiązania:
https://bibliotekanauki.pl/articles/2146947.pdf
Data publikacji:
2022
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
vanadium(V)
kinetics
removal
sorption
Pyrolox
Opis:
The sorption of vanadium(V) ions from acidic solutions using the Pyrolox sorbent was studied at varying ions concentrations, pH, contact time and temperature. The investigated ions were determined by means of graphite-furnace atomic absorption spectrometry (GF-AAS). The sorption capacity of vanadium(V) ions was examined in the pH range 2-10. The adsorption capacities of vanadium(V) ions depend on the pH values. Therefore, the initial pH 2 of vanadium(V) results in the highest adsorption capacities. The sorption vanadium(V) kinetics was investigated. The experimental data were analyzed using the pseudo-first-order, pseudo-second-order forms, Elovich, and intra-particle diffusion models. The kinetics of vanadium(V) sorption is described by the pseudo-first-order in the best way. The results indicate the endothermic process of V(V) ions sorption. The presented results of vanadium ions recovery from the solutions obtained as a result of spent catalysts leaching indicate the possibility of vanadium recovery.
Źródło:
Physicochemical Problems of Mineral Processing; 2022, 58, 2; art. no. 147974
1643-1049
2084-4735
Pojawia się w:
Physicochemical Problems of Mineral Processing
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Internet use for instrumental purposes in relation to the quality of life among elderly females and males in Poland – mediating effects of loneliness and social support
Autorzy:
Wójcik, Grzegorz
Kniaziuk, Karolina
Zawisza, Katarzyna
Tobiasz-Adamczyk, Beata
Grodzicki, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/2084857.pdf
Data publikacji:
2022-04-11
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
quality of life
social support
loneliness
internet use
gender-related differences
Polish elderly population
Opis:
ObjectivesThe study explores the direct and indirect associations (i.e., through the extent of the level of loneliness and perceived social support) between internet use for instrumental purposes and the quality of life (QoL) among elderly females and males in Poland.Material and MethodsThe analysis was based on 2001 face-to-face interviews performed among randomly selected individuals aged ≥65 years from the general population. The collected data was weighted to generalize the study sample for the reference population. The analysis was conducted using multiple linear regression models. The mediation effect was tested according to the Baron and Kenny approach.ResultsThe obtained results indicate that internet use for instrumental purposes is directly related to a better QoL of elderly Polish males. This positive effect among men also occurs indirectly, through the decrease in loneliness levels as well as the increase in social support scores. It has also been shown that among elderly females, the effect of internet use for instrumental purposes is not related to a better QoL, either directly or indirectly.ConclusionsInternet use for instrumental purposes seems to be important in enhancing a successful life among elderly male adults. However, these technologies are not associated with better QoL among females. Practitioners should be aware of these gender differences. The study adds to the previous studies by demonstrating that the feeling of loneliness and social support mediates the relationship between internet use for instrumental purposes and QoL among elderly males, whereas among elderly females this effect does not occur.
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2022, 35, 2; 169-185
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigation of the Surface Topography of Titanium Alloys Applied to Friction Components
Autorzy:
Gawłowski, Grzegorz
Niemczewska-Wójcik, Magdalena
Powiązania:
https://bibliotekanauki.pl/articles/2172357.pdf
Data publikacji:
2022
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
orthopaedic implants
titanium alloy
surface metrology
surface topography
surface features
technological heredity
functional properties
Opis:
The subject of this study and analysis was titanium alloy, applied among others to the friction components of orthopaedic (artificial hip joint) implants. This material was subjected to abrasive finishing using a synthetic diamond as a tool. The properties of the studied titanium alloy were characterised. The processing technology and the research methods are discussed. The surfaces, after being subjected to abrasive machining, were studied using three research instruments – an interference microscope, a scanning electron microscope, and an atomic force microscope. Advanced metrology software was used to analyse the measurement data. The aim of the research was to present the changes taking place in the forming of the surface of the studied titanium alloy, in particular those occurring in the final sequential processing. A characterisation of the machined surfaces was prepared based on parametric (surface topography – parameters and functions) and non-parametric (surface morphology – images) analysis. The significant influence of the sequence and the tool (diamond grain and micro-grain) on the surface topography shaped during the technological process is presented. Improvement in the surface quality and features was observed. Parametric analysis showed no significant differences between TA-III and TA-IV surfaces, while these differences were visualised by non-parametric analysis. Moreover, the hereditary features of the surface topography (isotropy and pits/valleys) and their influence on the potential functional properties (place/area for accumulation/retaining of the lubricant in the friction zone) of the titanium alloy were analysed.
Źródło:
Advances in Science and Technology. Research Journal; 2022, 16, 2; 150--158
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Middle Devonian Skały Formation in the Holy Cross Mountains (Poland) : formal description and subdivision based on new field data
Autorzy:
Racki, Grzegorz
Wójcik, Krystian
Halamski, Adam T.
Narkiewicz, Marek
Powiązania:
https://bibliotekanauki.pl/articles/2182148.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
lithostratigraphy
Skały Formation
Dobruchna Member
Middle Devonian
Łysogóry Region
Holy Cross Mts
Opis:
The well-known fossiliferous and lithologically variable clay-carbonate series in the Łysogóry Region (northern part of the Holy Cross Mts, central Poland), enclosed between the Middle Devonian Amphipora dolomites and limestones (Kowala Formation) and siliciclastics (Świętomarz Beds), is defined formally as the Shaly-Calcareous Skały Formation. This Upper Eifelian to Middle Givetian, ca. 250–280 m thick unit, consists of marly and clay shales, interbedded many times with various limestone types (including encrinite and biohermal varieties), as well as with marls and siltstones. Its diagnostic feature is the presence of variable skeletal accumulations, formed by exceptionally numerous, well-preserved and diverse macrofauna (including brachiopods, corals, crinoids, bryozoans), described since the 19th century. The stratotype is located in the eastern slope of the Dobruchna stream near the Skały village and belongs to the Silurian to Upper Devonian Grzegorzowice-Skały section. Compared to the previously used term, Skały Beds sensu Pajchlowa (1957), the lower boundary is redefined, owing to a new exposure in the active Skała Quarry, and placed higher, at the base of the famous brachiopod shales (set XIV of Pajchlowa), instead of the formerly accepted lower boundary at the base of set XIII. Set XIV is formally distinguished as the Dobruchna Brachiopod Shale Member. The higher part of the Skały Fm (sets XV–XXVA) is not subdivided further, as the poorly exposed succession, including in particular the type area, precludes a more accurate recognition of lithological variability. The upper boundary of the Skały Fm is placed at the top of set XXV sensu Pajchlowa (1957), corresponding to the boundary between subsets XXVA and XXVB sensu Malec and Turnau (1997). A hypostratotype of the upper boundary is selected in the outcrop M0 at Miłoszów, 2.5 km westwards from the type section, allowing recognition of the diachroneity of lithological change defining the transition from the Skały Fm to Świętomarz Beds. A borehole situated in a key location would be an obvious next step in the further elucidation of the stratigraphic sequence of the Łysogóry Region.
Źródło:
Annales Societatis Geologorum Poloniae; 2022, 92, 4; 425--444
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Towards digital twin-driven performance evaluation methodology of FMS
Autorzy:
Bocewicz, Grzegorz
Wójcik, Robert
Sitek, Paweł
Banaszak, Zbigniew
Powiązania:
https://bibliotekanauki.pl/articles/38437630.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Promocji Wiedzy
Tematy:
FMS
Petri Nets
performance evaluation
Opis:
The paper presents a method of automated modelling and performance evaluation of concurrent production flows carried out in Flexible Manufacturing Systems. The method allows for quick assessment of various variants of such systems, considering their structure and the organization of production flow of possible ways of their implementation. Its essence is the conditions imposed on the designed model, limiting the space of possible variants of the production flow only to deadlock-free variants. The practical usefulness of the model implemented in the proposed method illustrates the example, which describes the simultaneous assessment of alternative variants of the flexible machining module's structure and the planned multi-assortment production. The ability of the method to focus on feasible solutions offers attractive perspectives for guiding the Digital Twin-like scenario in situations caused by the need to change the production flow.
Źródło:
Applied Computer Science; 2022, 18, 3; 5-18
1895-3735
2353-6977
Pojawia się w:
Applied Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wielokryterialna analiza wyników badania wypalenia zawodowego
Multicriteria analysis of the results of a burnout survey
Autorzy:
Mikołajewski, Dariusz
Masiak, Jolanta
Mikołajewska, Emilia
Wójcik, Grzegorz M.
Powiązania:
https://bibliotekanauki.pl/articles/41205939.pdf
Data publikacji:
2022
Wydawca:
Uniwersytet Kazimierza Wielkiego w Bydgoszczy
Tematy:
informatyka
modele obliczeniowe
analiza wielokryterialna
wypalenie zawodowe
stres związany z pracą
computer science
computational models
multi-criteria analysis
job burn-out
job stress
Opis:
Celem niniejszego badania poświęconego wielokryterialnej analizie wypalenia zawodowego jest wypełnienie istniejącej luki badawczej, wnosząc element nowości i umożliwiając przysżłosciowe oorównanie z innymi metodami analitycznymi stosowanym do oceny wypalenia zawodowego. Koncepcja wykorzystania MCA w analizie wyników wypalenia zawodowego wydaje się przydatna i efektywna. MCA działa w tym przypadku jako użyteczne narzędzie obliczeniowe. Może być skutecznie stosowane w obszarze wypalenia zawodowego i stresu zwiazanego z pracą, gdzie metodologie oparte na pojedynczych kryteriach dają niepewne wyniki, są dyskusyjne lub mogą być uznane za nieskuteczne, gdyż istotne dla własciwej oceny i podjęcie decyzji czynniki (organizacyjne, społeczne, środowiskowe i inne) nie mogą być wyrażone w kategoriach wartości obiektywnych lub są wyrażane lingwistycznie. Dalsze badania z wykorzystaniem logiki rozmytej mogą przynieść kolejny etap rozwoju proponowanej metody w kierunku podejścia całościowego.
The aim of this study on multi-criteria analysis of job burnout is to fill an existing research gap, bringing an element of novelty and enabling a near comparison with other analytical methods used to assess job burnout. The concept of using the MCA in the analysis of occupational burnout outcomes appears useful and effective. The MCA acts as a useful computational tool in this case. It can be effectively applied in the area of job burnout and work-related stress, where single-criteria methodologies produce uncertain results, are debatable or may be considered ineffective, because the factors (organisational, social, environmental and other) relevant for proper assessment and decisionmaking cannot be expressed in terms of objective values or are expressed linguistically. Further research using fuzzy logic may bring the next step in the development of the proposed method towards a holistic approach.
Źródło:
Studia i Materiały Informatyki Stosowanej; 2022, 14, 3; 32-37
1689-6300
Pojawia się w:
Studia i Materiały Informatyki Stosowanej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigation of aerodynamic parameters of solar plane airfoil using CFD modeling
Autorzy:
Jaszczur, Marek
Papis, Karolina
Książek, Michał
Czerwiński, Grzegorz
Wojtas, Gabriel
Koncewicz, Wojciech
Nabożna, Sylwia
Wójcik, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/2097896.pdf
Data publikacji:
2021
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
solar plane
aerodynamic parameters
CFD modeling
Opis:
The technology of solar-powered aerial vehicles requires enormous financial support and further development. For this purpose, the computational fluid dynamic can be used. In order to carry out necessary analyses and model development in this research, ANSYS Fluent software was used. Using the first version of the AGH Solar Plane model, preliminary analysis of lift, drag and tearing off the stream was performed. Four new geometries were prepared on which the flattening of upper surfaces for fixing solar panels was tested. The results were validated in the aerodynamic tunnel using particle image velocimetry method. Taking into account all analyses, a number of recommendations have been prepared that will be implemented to create an aircraft, which meets all target requirements.
Źródło:
Computer Science; 2021, 22 (1); 123-142
1508-2806
2300-7036
Pojawia się w:
Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modelowanie sztuczno inteligente występowania objawów wypalenia zawodowego u informatyków i fizjoterapeutów
Computational modelling occurrence of burnout symptoms in computer scientists and physiotherapists -preliminary results
Autorzy:
Mikołajewski, Dariusz
Masiak, Jolanta
Mikołajewska, Emilia
Wójcik, Grzegorz M.
Powiązania:
https://bibliotekanauki.pl/articles/41206013.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Kazimierza Wielkiego w Bydgoszczy
Tematy:
inteligencja obliczeniowa
sztuczne sieci neuronowe
wypalenie zawodowe
zaangażowanie w pracę
motywacja do pracy
computational intelligence
artificial neural networks
professional burnout
commitment to work
motivation to work
Opis:
Wypalenie zawodowe (ang. burnout) powstaje w wyniku długotrwałego narażenia na stres związany z pracą. Przejawia się ono w emocjonalnym wyczerpaniu, depersonalizacji i spadku osiągnięć osobistych. W literaturze jest wiele doniesień na temat wypalenia zawodowego wśród pracowników systemu opieki zdrowotnej, ale niewiele jest badań wśród fizjoterapeutów czy informatyków, nie mówiąc już o analizie wypalenia zawodowego za pomocą metod sztucznej inteligencji. Celem niniejszego badania jest wypełnienie tej luki.
Burnout is caused by prolonged exposure to work-related stress. It manifests itself in emotional exhaustion, depersonalisation and reduced personal achievement. There are many reports in the literature on burnout among healthcare professionals, but there are few studies among physiotherapists or IT professionals, let alone analysing burnout using artificial intelligence methods. This study aims to fill this gap.Keywords: computational intelligence, artificial neural networks, professional burnout, commitment to work, motivation to work.
Źródło:
Studia i Materiały Informatyki Stosowanej; 2021, 3; 29-35
1689-6300
Pojawia się w:
Studia i Materiały Informatyki Stosowanej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Objawy wypalenia zawodowego jako podstawa modelu obliczeniowego
Burnout symptoms as a basis for computational model
Autorzy:
Mikołajewski, Dariusz
Masiak, Jolanta
Mikołajewska, Emilia
Wójcik, Grzegorz M.
Powiązania:
https://bibliotekanauki.pl/articles/41205970.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Kazimierza Wielkiego w Bydgoszczy
Tematy:
inteligencja obliczeniowa
sztuczne sieci neuronowe
model obliczeniowy
wypalenie zawodowe
zaangażowanie w pracę
motywacja do pracy
computational intelligence
artificial neural networks
computational model
professional burnout
commitment to work
motivation to work
Opis:
Obecnym wyzwaniem jest zbadanie i optymalizacja obliczeniowych miar wypalenia zawodowego w celu obiektywnego określenia najlepszego sposobu obliczania satysfakcji z pracy, wypalenia zawodowego i predyktorów zamiaru odejścia z pracy w różnych grupach zawodowych.Celem badań prezentowanych w artykule był przegląd badań w zakresie obliczeniowego określanie zależności między doświadczaniem stresu w pracy a występowaniem objawów wypalenia zawodowego.
The current challenge is to explore and optimise computational measures of burnout to objectively determine the best way to calculate job satisfaction, job burnout and predictors of intention to quit across occupational groups.The aim of the research presented in this article was to review studies in the field of computational determinationof the relationship between the experience of stress at work and the occurrence of symptoms of professional burnout.
Źródło:
Studia i Materiały Informatyki Stosowanej; 2021, 3; 22-28
1689-6300
Pojawia się w:
Studia i Materiały Informatyki Stosowanej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wstępna charakterystyka mineralogiczna czarnych łupków antrakozjowych z obszaru synklinorium śródsudeckiego
Preliminary mineralogical characteristics of the Anthracosia Shales from the Intra-Sudetic Synclinorium
Autorzy:
Wójcik-Tabol, Patrycja
Dąbek, Jolanta
Nowak, Grzegorz J.
Powiązania:
https://bibliotekanauki.pl/articles/2076184.pdf
Data publikacji:
2021
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
węgiel
synklinorium śródsudeckie
czarne łupki jeziorne
syderyt
kaolinit
carbon
Intra-Sudetic Synclinorium
lacustrine black shales
siderite
kaolinite
Opis:
Anthracosia Shales within the Pennsylvanian-Lower Permian continental succession from the Intra-Sudetic Synclinorium are lacustrine sediments, represented by black shales intercalated with sandstones/mudstones. Mineral composition of each lithology consists of quartz, feldspar, mica, clay minerals (including kaolinite, the content of which decreases upward the section), and carbonates (calcite and siderite). The section is a continuous record of reduction and rise in terrigenous input. Mineral detritus is least weathered in the uppermost part of the Anthracosia Shales. The sedimentation occurred under dysoxic conditions that were ventilated by bottom currents.
Źródło:
Przegląd Geologiczny; 2021, 69, 6; 389--392
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Związane z pracą niekorzystne zmiany zdrowotne w grupie zawodowej informatyków – narracyjny przegląd literatury
Work-related negative changes in health of IT specialists –narrative review of literature
Autorzy:
Mikołajewski, Dariusz
Masiak, Jolanta
Mikołajewska, Emilia
Wójcik, Grzegorz M.
Kopowski, Jakub
Powiązania:
https://bibliotekanauki.pl/articles/41205985.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Kazimierza Wielkiego w Bydgoszczy
Tematy:
nowoczesne technologie
interdyscyplinarność
rehabilitacja
fizjoterapia
specjalizacja
novel technologies
interdisciplinarity
rehabilitation
physical therapy
specialization
Opis:
Medycyna pracy coraz częściej korzysta z nowoczesnych technologii i staje się coraz bardziej interdyscyplinarna. Może to być reakcją zarówno na rozwój nauk medycznych i innych nauk wspierających współczesną praktykę kliniczną, jak również nowe sposoby terapii ukierunkowane na współpracę w ramach zespołu interdyscyplinarnego, zorientowaną na pacjenta i spełniająca wymagania Medycyny Opartej na Faktach. Artykuł stanowi próbę oceny, w jakim stopniu wykorzystuje się możliwości w tym obszarze i wskazania czynników dających szanse na przełom.
Occupational medicineis increasingly using modern technology and becoming more interdisciplinary. This may be a response to both the development of medical and other sciences that supportcontemporary clinical practice as well as new therapeutic approaches that are oriented towards collaboration within an interdisciplinary team, are patient-centred and meet the requirements of Evidence-Based Medicine. This article attempts to assess the extent to which opportunities in this area are being exploited and to identify factors that offer opportunities for breakthrough.Keywords:novel technologies, interdisciplinarity, rehabilitation, physical therapy, specialization.
Źródło:
Studia i Materiały Informatyki Stosowanej; 2021, 3; 13-20
1689-6300
Pojawia się w:
Studia i Materiały Informatyki Stosowanej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A New Method of Flanges Extrusion in Hollow Products – Analysis of the Limiting Phenomena
Autorzy:
Winiarski, Grzegorz
Bulzak, Tomasz Adam
Wójcik, Łukasz
Szala, Mirosław
Powiązania:
https://bibliotekanauki.pl/articles/103394.pdf
Data publikacji:
2020
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
extrusion
flanging
hollow parts
cold metal forming
odrzucenie
kołnierz
puste części
formowanie metali na zimno
Opis:
The paper presents an innovative method of metal forming of hollow flanged elements. In this process, flanges are formed using a movable sleeve, which moves in the opposite direction to the punch. The movement of the sleeve causes a closed impression to open, due to which the flange is also formed in a semi-free impression. The tube billets were made of the 42CrMo4 grade steel deformed under the cold metal forming conditions. The calculations were conducted using the finite elements method in Deform-2D/3D. Various technological parameters of the process were analysed, among others the diameter of the flange and the initial height of the impression of the movable sleeve. On the basis of the obtained results, the limiting phenomena of the process were determined and the influence of the analysed technological parameters on these phenomena were presented.
Źródło:
Advances in Science and Technology. Research Journal; 2020, 14, 4; 78-85
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
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