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Wyświetlanie 1-15 z 45
Tytuł:
Cultural Ergonomics in Ghana, West Africa: A Descriptive Survey of Industry and Trade Workers’ Interpretations of Safety Symbols
Autorzy:
Smith-Jackson, T. L.
Essuman-Johnson, A.
Powiązania:
https://bibliotekanauki.pl/articles/91242.pdf
Data publikacji:
2002
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
cultural ergonomics
safety symbols
culture and organizations
cross-cultural research and safety
oznakowanie zagrożeń
ergonomia
transfer technologii
symbole
ergonomia kultury
globalizacja
Opis:
Globalization and technology transfer have led to the diffusion of risk communications to users from cultures that were not initially viewed as the target users. This study examined industry and trade workers’ overall impressions of symbols used to convey varying degrees of hazardousness. Six symbols, including symbols from the American National Standards Institute (ANSI) Z535 Standard (ANSI, 1998) and the International Organization for Standardization (ISO) 3864:1984 Standard (ISO, 1984) were selected. With the exception of the SKULL symbol, results showed wide discrepancies between users’ perceptions of the symbols and their intended meanings. Implications for cross-cultural research on warning components and risk communications are discussed.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2002, 8, 1; 37-50
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A note on the predual of Lip(S, d)
Autorzy:
Johnson, J. A.
Powiązania:
https://bibliotekanauki.pl/articles/723328.pdf
Data publikacji:
1979
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Źródło:
Colloquium Mathematicum; 1978-1979, 40, 2; 287-289
0010-1354
Pojawia się w:
Colloquium Mathematicum
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Quasi-complete ideal lattices
Autorzy:
Johnson, Johnny A.
Powiązania:
https://bibliotekanauki.pl/articles/725951.pdf
Data publikacji:
1975
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Źródło:
Colloquium Mathematicum; 1975, 33, 1; 59-62
0010-1354
Pojawia się w:
Colloquium Mathematicum
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Taekwondo diplomacy: new possibilities for peace on the Korean Peninsula
Autorzy:
Johnson, John A.
Vitale, George
Powiązania:
https://bibliotekanauki.pl/articles/1923660.pdf
Data publikacji:
2018-11-28
Wydawca:
PPHU Projack Jacek Wąsik
Tematy:
soft diplomacy
international relations
sports diplomacy
International Taekwon-Do Federation (ITF)
World Taekwondo (WT)
Opis:
Sports diplomacy has long been effective in bringing nations and cultures together. Sports diplomacy is a type of soft diplomacy: the more informal diplomatic engagements between non-government entities that sometimes operate with governmental support, but more often as a private exchange. Soft diplomacy has provided governments a place where greater understanding happens, which has in turn led to increased political cooperation. Taekwondo, the Korean martial art turned international Olympic sport, has been used for soft diplomatic purposes almost since its inception. Most recently, the Taekwondo demonstration teams from the Republic of Korea (ROK; South Korea) and the Democratic People's Republic of Korea (DPRK; North Korea) have been used as a tool to bridge the political gap between the two divided nations. The current research introduces a general framework of diplomacy and elucidates the soft diplomacy efforts made by ROK and DPRK Taekwondo organizations in order to provide a foundation for future research on Taekwondo diplomacy and peace negotiations.
Źródło:
Physical Activity Review; 2018, 6; 237-250
2300-5076
Pojawia się w:
Physical Activity Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Job Safety Program for Construction Workers Designed to Reduce the Potential for Occupational Injury Using Tool Box Training Sessions and Computer-Assisted Biofeedback Stress Management Techniques
Autorzy:
Johnson, K. A.
Ruppe, J.
Powiązania:
https://bibliotekanauki.pl/articles/89956.pdf
Data publikacji:
2002
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
job
safety
ergonomics
biofeedback
stress
computer-assisted
training
ergonomia
stres
komputer
bezpieczeństwo pracy
szkolenie metodami audiowizualnymi
szkolenie zawodowe
budownictwo
satysfakcja z pracy
Opis:
This project was conducted with a multicultural construction company in Hawaii, USA. The job duties performed included drywall and carpentry work. The following objectives were selected for this project: (a) fire prevention training and inspection of first aid equipment; (b) blood-borne pathogen training and risk evaluation; (c) ergonomic and risk evaluation intervention program; (d) electrical safety training and inspection program; (e) slips, trips, and falls safety training; (f) stress assessment and Personal Profile System; (g) safety and health program survey; (h) improving employee relations and morale by emphasizing spirituality; and (i) computer-assisted biofeedback stress management training. Results of the project indicated that observed safety hazards, reported injuries, and levels of perceived stress were reduced for the majority of the population.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2002, 8, 3; 321-329
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
From Individual Heroes to National Performers: The Shift in Taekwondos Peace Promotion Activities
Autorzy:
Johnson, John A.
Lewis, Sanko
Powiązania:
https://bibliotekanauki.pl/articles/1922298.pdf
Data publikacji:
2020-11-04
Wydawca:
PPHU Projack Jacek Wąsik
Tematy:
sports diplomacy
cultural exchange
karate
Republic of Korea (ROK)
People’s Democratic Republic of Korea (DPRK)
Opis:
The writings of early taekwondo pioneers promote peace through the practice of the martial art and, later, the combat sport. These pioneers charged taekwondo practitioners with a duty to contribute to justice, defend the weak, and build a more peaceful world. National and international taekwondo organizations such as the Kukkiwon, World Taekwondo (WT), and the International Taekwon-Do Federation (ITF) have taken up the charge of peace promotion through taekwondo by means of transnational events, such as goodwill tours and joint taekwondo demonstrations by adversarial states (e.g., South and North Korea). These activities are soft diplomacy initiatives and have seen some level of success. While these soft diplomacy activities are in line with the goal of peace promotion that the early pioneers advocated, they are qualitatively different from what the pioneers advocated. Originally, the responsibility of peace promotion was on the individual taekwondo practitioner, who ought to cultivate moral character, courage, and martial art skill in order to uphold justice and defend the weak. With the current use of taekwondo for soft diplomacy, the responsibility of peace promotion has shifted from the individual practitioner to the governing bodies, such as WT and the ITF. Instead of focusing on issues surrounding justice and the protection of the weak, these national and international organizations focus on geopolitical cooperation, which is mediated through cultural exchange activities in the form of taekwondo demonstrations. These events involve activities such as acrobatic performances, dance routines, and board breaking that require little combat skill and may not pose the risk of serious injury to the individual practitioners, mainstays of the individual heroes of old. The charge to safeguard justice and physically defend the weak, which are acts of true courage as was envisioned by the taekwondo pioneers, is mostly ignored.
Źródło:
Physical Activity Review; 2020, 2, 8; 64-71
2300-5076
Pojawia się w:
Physical Activity Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pathway analysis to determine factors contributing to overall quality scores in four berry crops
Autorzy:
Cockerton, H.
Blanco Unzueta, M.
Johnson, A.W.
Vadillo Dieguez, A.
Fernandez Fernandez, F.
Powiązania:
https://bibliotekanauki.pl/articles/1077482.pdf
Data publikacji:
2020
Wydawca:
Instytut Ogrodnictwa
Tematy:
berry plant
blackberry
blueberry
raspberry
strawberry
fruit quality
environmental factor
agronomic factor
genetic factor
berry crop
Opis:
Fruit quality attributes are influenced by environmental, agronomic and genetic factors; both cultivars and growing conditions can vary substantially between UK production and imported fruit. This study aimed to record and dissect the most relevant fruit quality traits for berries imported into the UK in the winter months. Blackberry, blueberry, raspberry and strawberry fruit were imported from 11 countries into a Kent-based packhouse (UK) or purchased from major retailers between December 2018 and March 2019. Multiple fruit quality components were assessed for relative contribution towards a high “overall assessment” fruit quality score. It was found that strawberry and blackberry overall scores were affected by sweetness perception, whereas blueberry and raspberry organoleptics are more complex, with overall scores influenced by flavor perception. Multiple raspberry and strawberry fruit quality traits were found to be associated with genotypic differences, indicating a promising potential for genetic improvement through breeding. By contrast, the study findings suggest that there is less potential for genetic improvement in blueberry, and that the environment may have a large effect on blueberry fruit quality traits.
Źródło:
Journal of Horticultural Research; 2020, 28, 2; 35-42
2300-5009
Pojawia się w:
Journal of Horticultural Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Photocatalytic degradation of ampicillin using silver nanoparticles biosynthesised by Pleurotus ostreatus
Autorzy:
Jassal, P.S.
Khajuria, R.
Sharma, R.
Debnath, P.
Verma, S.
Johnson, A.
Kumar, S.
Powiązania:
https://bibliotekanauki.pl/articles/2096973.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
ampicillin
FTIR
photocatalysis
silver nanoparticles (Ag-NPs)
TEM
Opis:
The past few decades have witnessed a tremendous increase in the consumption of antibiotics worldwide. This rampant and unregulated use of antibiotics and their improper disposal has led to the accumulation of these drugs in the environment. This in turn has led to the emergence of antibiotic resistance in microbes and has become one of the most pressing global concerns in medicine, with highly resistant pathogens of many species proving difficult to treat. The aim of the study was to synthesise silver nanoparticles (Ag-NPs) using white rot fungus, Pleurotus ostreatus and assess its potential to carry out photocatalytic degradation of ampicillin. UV–Vis spectroscopy, Fourier transform infrared spectroscopy and transmission electron microscope have been used to characterize biosynthesized Ag-NPs. The photocatalytic degradation of ampicillin in aqueous solution by Ag-NPs was evaluated under natural sunlight. The effect of the operating conditions (contact time, Ag-NP concentration and initial ampicillin concentration) on the photocatalytic degradation was also investigated. The highest ampicillin degradation of 96.5% was observed after exposure of the solution (antibiotic + nanoparticles) for 4 h in sunlight. The maximum degradation was observed at an Ag-NP concentration of 5 ppm at pH 6. To the best of our knowledge, photocatalytic degradation of ampicillin using Ag-NPs synthesised by P. ostreatus has not been reported earlier.
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2020, 101, 1; 5-14
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Numerical investigation and sensitivity analysis of turbulent heat transfer and pressure drop of Al2O3/H2O nanofluid in straight pipe using response surface methodology
Autorzy:
Fadodun, Olatomide G.
Amosun, Adebimpe A.
Salau, Ayodeji O.
Olaloye, David O.
Ogundeji, Johnson A.
Ibitoye, Francis I.
Balogun, Fatai A.
Powiązania:
https://bibliotekanauki.pl/articles/239962.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
nusselt number
Reynolds number
pressure drop
response surface methodology
nanofluid
single phase flow
Opis:
In this paper, investigation of the effect of Reynolds number, nanoparticle volume ratio, nanoparticle diameter and entrance temperature on the convective heat transfer and pressure drop of Al2O3/H2O nanofluid in turbulent flow through a straight pipe was carried out. The study employed a computational fluid dynamic approach using single-phase model and response surface methodology for the design of experiment. The Reynolds average Navier-Stokes equations and energy equation were solved using k-ε turbulent model. The central composite design method was used for the response-surface-methodology. Based on the number of variables and levels, the condition of 30 runs was defined and 30 simulations were performed. New models to evaluate the mean Nusselt number and pressure drop were obtained. Also, the result showed that all the four input variables are statistically significant to the pressure drop while three out of them are significant to the Nusslet number. Furthermore, sensitivity analysis carried out showed that the Reynolds number and volume fraction have a positive sensitivity to both the mean Nusselt number, and pressure drop, while the entrance temperature has negative sensitivities to both.
Źródło:
Archives of Thermodynamics; 2020, 41, 1; 3-30
1231-0956
2083-6023
Pojawia się w:
Archives of Thermodynamics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
CUBAN SOFT POWER: FROM REVOLUTIONARY CHARISMA TO SOCIAL DIPLOMACY
Autorzy:
DA SILVA, Marcos Antonio
VRECHE, Carla Cristina
JOHNSON, Guillermo A.
Powiązania:
https://bibliotekanauki.pl/articles/555844.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Warszawski. Instytut Studiów Iberyjskich i Iberoamerykańskich
Tematy:
Cuban Revolution
Soft Power
Social Diplomacy
Opis:
This article analyzes the international projection of the Cuban Revolution, discussing the contours of its soft power that contributed to international reintegration. After this concept discussing briefly and focusing on the transformation of contemporary international scene, it analyzes the change of use of soft power in the revolutionary process in Cuba. In this sense, it points out that such power was, in the golden years of the Revolution (the 60s and the 70s), based on the revolutionary aura and the charisma of its leaders (Fidel Castro, Che Guevara and others) and that, in the first decade of this century, it acquired new supported contours through the emergence of Social Diplomacy, i.e. cooperation in the field of social services (health, education and sports, among others), thus contributing.
Źródło:
Ameryka Łacińska. Kwartalnik analityczno-informacyjny; 2016, 24, 4(94); 43-61
1506-8900
2081-1152
Pojawia się w:
Ameryka Łacińska. Kwartalnik analityczno-informacyjny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Earth solids and dynamic nonlinear elasticity
Autorzy:
Johnson, P. A.
Van Den Abeele, K. E-A., K. E-A.
Powiązania:
https://bibliotekanauki.pl/articles/331628.pdf
Data publikacji:
1997
Wydawca:
Polskie Towarzystwo Akustyczne
Opis:
The nonlinear response of rock is much different than that of ordinary materials. Especially at ambient conditions, rock responds in an extremely nonlinear fashion, often due to the presence of hysteresis. Nonlinear elastic response in rock is illustrated by dynamic results from resonant bar and pulse-mode experiments.
Źródło:
Hydroacoustics; 1997, 1; 53-58
1642-1817
Pojawia się w:
Hydroacoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Directions in vehicle efficiency and emissions
Autorzy:
Johnson, T. V.
Joshi, A.
Powiązania:
https://bibliotekanauki.pl/articles/133977.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
greenhouse gases
vehicle emissions
regulations
engines
aftertreatment
NOx
diesel oxidation catalyst
selective catalytic reduction
diesel particulate filter
gasoline particulate filter
gazy cieplarniane
przepisy prawne
silniki
katalizator utleniania oleju napędowego
selektywna redukcja katalityczna
filtr cząstek stałych
Opis:
This paper provides a general review of light-duty (LD) and heavy-duty (HD) regulations, engine technology, and key emission control strategies. The US is placing a stronger emphasis on laboratory emissions, and the LD regulations are about an order of magnitude tighter than Euro 6, but Europe is focusing on real-world reductions. The California HD low-NOx regulation is advancing and may be proposed in 2017/18 for implementation in 2023+. The second phase of US HD greenhouse gas regulations propose another 25-30% tightening beyond Phase 1, beginning in 2021. LD and HD engine technology continues showing marked improvements in engine efficiency. LD gasoline concepts are closing the gap with diesel. HD engines are demonstrating more than 50% BTE using methods that can reasonably be commercialized. LD and HD diesel NOx technology trends are also summarized. NOx storage catalysts and SCR combinations are the lead approach to meeting the LD regulations. Numerous advanced NOx technologies are being evaluated and some promise for meeting the California HD low NOx targets. Oxidation catalysts are improved for both diesel and methane oxidation applications. Gasoline particulate filters (GPF) are the lead approach to reducing particles from gasoline direct injection (GDI) engines. They reduce PAH emissions, and catalyzed versions can be designed for low back pressure. Regeneration largely occurs during hot decelerations.
Źródło:
Combustion Engines; 2016, 55, 3; 3-8
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 45

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