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    Wyświetlanie 1-13 z 13
    Tytuł:
    Comparison of cognitive profiles in cerebro-vascular accident and traumatic brain injury patients interned at Ignace Deen University Hospital of Guinea-Conakry
    Autorzy:
    Diallo, Mamadou Ciré
    N’Go, Pacôme Kouadio
    Mammad, Khaoula
    Ahami, Hamed Omar Touhami
    Bah, Alpha Boubacar
    Cisse, Fode Abass
    Elouardi, Aziz
    Obayagbona, Vannessa Osaremien
    Powiązania:
    https://bibliotekanauki.pl/articles/2106159.pdf
    Data publikacji:
    2019-06-20
    Wydawca:
    Fundacja Edukacji Medycznej, Promocji Zdrowia, Sztuki i Kultury Ars Medica
    Tematy:
    Cranial Trauma
    Cognitive Sequelae
    Guinea (Conakry)
    Rey-Osterrieth Complex Figure Test (ROCF)
    Wechsler Adult Intelligence Scale (WAIS)
    Opis:
    Cognitive and behavioral symptoms can be sequelae of both cerebro-vascular accident (CVA) and traumatic brain injury (TBI). In sub-Saharan African countries, including Guinea, there have been few studies focused on brain injury symptoms and related disorders. The aim of this study was to compare the cognitive status in TBI patients and CVA patients recruited at the Ignace Deen University Hospital, in order to provide better support for cognitive rehabilitation. We studied 25 TBI patients and 25 CVA patients under treatment from August to January 2016, and 25 healthy persons as controls. We used a survey questionnaire to collect data on socioeconomic and demographic features, then administered the Digit Span subtest from the WAIS III battery and the Rey-Osterrieth test (ROCF-A) to assess post-injury cognitive performance. The average age was 29.2 ±13.68 years in the TBI patients, compared to 57.6 ± 11.05 years in CVA patients, and both groups were predominantly male (TBI 88%, CVA 84%). Educational level and occupation did not differ. Cognitive testing revealed significantly greater impairments of memory, visuo-spatial and visuo-constructive functions in the CVA patients. Although the socioeconomic factors and educational level did not differ, we found that our CVA patients show more cognitive disorders. Longitudinal studies with greater sample sizes are required in order to validate the prevalence rates of CVA and TBI in the Guinean general population, as well as predictive factors and cognitive profiles. This could help to elaborate, adapt and prioritize prevention and intervention strategies.
    Źródło:
    Acta Neuropsychologica; 2019, 17(2); 129-138
    1730-7503
    2084-4298
    Pojawia się w:
    Acta Neuropsychologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Development of smart sorting machine using artificial intelligence for chili fertigation industries
    Autorzy:
    Abdul Aziz, M. F.
    Bukhari, W. M.
    Sukhaimie, M. N.
    Izzuddin, T.A.
    Norasikin, M.A.
    Rasid, A. F. A.
    Bazilah, N. F.
    Powiązania:
    https://bibliotekanauki.pl/articles/2141810.pdf
    Data publikacji:
    2021
    Wydawca:
    Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
    Tematy:
    precision agriculture
    artificial neural network
    smart fertigation
    Opis:
    This paper presents an automation process is a need in the agricultural industry specifically chili crops, that implemented image processing techniques and classification of chili crops usually based on their color, shape, and texture. The goal of this study was to develop a portable sorting machine that will be able to segregate chili based on their color by using Artificial Neural Network (ANN) and to analyze the performance by using the Plot Confusion method. A sample of ten green chili images and ten red chili images was trained by using Learning Algorithm in MATLAB program that included a feature extraction process and tested by comparing the performance with a larger dataset, which are 40 samples of chili images. The trained network from 20 samples produced an overall accuracy of 80 percent and above, while the trained network from 40 samples produced an overall accuracy of 85 percent. These results indicate the importance of further study as the design of the smart sorting machine was general enough to be used in the agricultural industry that requires a high volume of chili crops and with other differentiating features to be processed at the same time. Improvements can be made to the sorting system but will come at a higher price.
    Źródło:
    Journal of Automation Mobile Robotics and Intelligent Systems; 2021, 15, 4; 44-52
    1897-8649
    2080-2145
    Pojawia się w:
    Journal of Automation Mobile Robotics and Intelligent Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Electroluminescence Enhancement of Polymer Light Emitting Diodes Through Surface Plasmons by Ag Nanoplates
    Autorzy:
    Aziz, T.
    Salleh, M.
    Bakar, N.
    Umar, A.
    Rahman, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1186484.pdf
    Data publikacji:
    2016-04
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    73.20.Mf
    Opis:
    This paper reports a study on the surface plasmon effect of Ag nanoplates on electroluminescent property of polymer light emitting diodes. The diode is a single layer light emitting device made of poly [9,9-di-(2-ethylhexyl)-fluorenyl-2,7-diyl] (PEHF). 5 wt.% of Ag nanoplates were incorporated into the PEHF layer. The results showed that the electroluminescence intensity of the diodes is increased by 51.85%, compared with the device without the Ag nanoplates. The enhancement is due to the coupling process between the Ag surface plasmon with the emission light from the PEHF. The occurrence of the coupling process was proved firstly based on the fact that the exciton lifetime of the PEHF:Ag layer is shorter than that without Ag, as measured by time-resolved photoluminescence spectroscopy. Secondly, the PEHF photoluminescence peak at 425 nm is overlaping with the surface plasmon absorption peak of Ag nanoplates.
    Źródło:
    Acta Physica Polonica A; 2016, 129, 4; 711-713
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Entropy generation on mhd flow of Powell-Eyring fluid between radially stretching rotating disk with diffusion-thermo and thermo-diffusion effects
    Autorzy:
    Khan, N. A.
    Aziz, S.
    Ullah, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/386796.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
    Tematy:
    axisymmetric flow
    entropy generation
    stretching disk
    Powell-Eyring fluid
    diffusion
    Opis:
    An investigation is performed for an alyzing the effect of entropy generation on the steady, laminar, axisymmetric flow of an incompressible Powell-Eyring fluid. The flow is considered in the presence of vertically applied magnetic field between radially stretching rotating disks. The Energy and concentration equation is taking into account to investigate the heat dissipation, Soret, Dufour and Joule heating effects. To describe the considered flow non-dimensionalized equations, an exact similarity function is used to reduce a set of the partial differential equation into a system of non-linear coupled ordinary differential equation with the associated boundary conditions. Using homotopy analysis method (HAM), an analytic solution for velocity, temperature and concentration profiles are obtained over the entire range of the imperative parameters. The velocity components, concentration and temperature field are used to determine the entropy generation. Plots illustrate important results on the effect of physical flow parameters. Results obtained by means of HAM are then compared with the results obtained by using optimized homotopy analysis method (OHAM). They are in very good agreement.
    Źródło:
    Acta Mechanica et Automatica; 2017, 11, 1; 20-32
    1898-4088
    2300-5319
    Pojawia się w:
    Acta Mechanica et Automatica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Eutrophication problems in the Western Harbour of Alexandria, Egypt
    Autorzy:
    Dorgham, M.M.
    Abdel-Aziz, N.E.
    El-Deeb, K.Z.
    Okbah, M.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/49044.pdf
    Data publikacji:
    2004
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    biomass
    nutrient
    water quality
    Alexandria Western Harbour
    plankton
    salinity
    Egypt
    eutrophication
    Opis:
    Eutrophication-related problems in the Western Harbour ofA lexandria were studied monthly from April 1999 to March 2000. Variation in salinity appeared to be the key to all changes in water quality and plankton abundance in the harbour. Both at the surface and near the bottom the salinity was lower (annual average: 35.1 and 38.3 PSU respectively) than in the open sea (39 PSU). Dissolved oxygen levels indicated poor aeration conditions along the water column (2.3–3.98 mg l−1). Average pH values were approximately similar in the two layers (8.1 and 8 respectively) but exhibited different ranges ofv ariations. Nutrient salts varied widely, often occurring in high concentrations, with ranges of 0.12–5.7 and 0.06–2.6 μM at the surface and the bottom respectively for phosphate, 0.21–20.46 and 0.25–18.12 μM for nitrate, 0.29–3.3 and 0.23–1.66 μM f or nitrite, 0.56–57.46 and 2.32–43.73 μM for ammonia and 0.3–36.3 and 0.48–38.4 μM for silicate. As a result ofn utrient enrichment, phytoplankton growth was very intensive, reflected by an abnormally high concentration ofc hlorophyll a (annual average: 33.82 μg l−1). At the same time the death ofl arge numbers ofp hytoplankton cells could be inferred from the relatively large amount of phaeopigment (annual average: 10.39 μg l−1). The high levels ofn utrient salts and phytoplankton biomass together serve as a good indicator ofhig h eutrophication levels in the Western Harbour throughout the year. These conditions clearly affected the zooplankton stock, which varied between 5.8–93.6×103 indiv. m−3, although for most of the time values remained at a low level (annual average: 26 728 indiv. m−3).
    Źródło:
    Oceanologia; 2004, 46, 1
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of coal particle size on coal adsorption and desorption characteristics
    Wpływ wielkości ziaren węgla na charakterystyki adsorpcji i desorpcji na węglu
    Autorzy:
    Zhang, L.
    Aziz, N.
    Ren, T.
    Nemcik, J.
    Tu, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/219328.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    adsorpcja na węglu
    desorpcja na węglu
    wymiary ziaren węgla
    izoterma
    objętość Langmuira
    coal adsorption
    desorption
    coal particle size
    isotherm
    Langmuir volume
    Opis:
    Accurate testing coal isotherm can play a significant role in the areas of coal seam gas drainage, outburst control, CO2 geo-sequestration, coalbed methane (CBM) and enhanced coalbed methane recovery (ECBM) etc. The effect of particle size on the CO2 and CH4 sorption capacity of bituminous coal from Illawarra, Australia was investigated at 35°C and at pressure up to 4 MPa. A unique indirect gravimetric apparatus was used to measure the gas adsorption and desorption isotherms of coal of different particle sizes ranging from around 150 urn to 16 mm. Langmuir model was used to analysis the experimental results of all gases. Coal particle size was found to have an apparent effect on the coal ash content and helium density results. Coal with larger particle size had higher ash content and higher helium density. The sorption isotherm was found to be highly sensitive with helium density of coal which was determined in the procedure of testing the void volume of sample cell. Hence, coal particle size had a significant influence on the coal sorption characteristics including sorption capacity and desorption hysteresis for CO2 and CH4, especially calculated with dry basis of coal. In this study, the 150-212 um (150 um) coal samples achieved higher sorption capacity and followed by 2.36-3.35 mm (2.4 mm), 8-9.5 mm (8 mm) and 16-19 mm (16 mm) particle size samples. However, the differences between different coal particles were getting smaller when the sorption isotherms are calculated with dry ash free basis. Test with 150 um coal samples were also found to have relatively smaller desorption hysteresis compared with the other larger particle size samples. The different results including adsorption/desorption isotherm, Langmuir parameters and coal hysteresis were all analysed with the CO2 and CH4 gases.
    Dokładne zbadanie izoterm sorpcji na węglu odgrywa kluczową rolę w takich dziedzinach jak odgazowanie pokładów węgla, zapobieganie wybuchom, sekwestracja geologiczna CO2, odzysk metanu ze złoża. Wpływ wielkości ziaren na pojemność sorpcyjną bitumicznego węgla z Illawara (Australia) względem CO2 i CH4 zbadano w temperaturze 35°C przy ciśnieniu do 4 MPa. Wykorzystano oryginalną aparaturę do badań grawimetrycznych do zmierzenia izoterm adsorpcji i desorpcji na węglu w którym rozmiar ziaren wahał się od 150 μm do 16 mm. Analizę wyników doświadczalnych dla wszystkich gazów przeprowadzono w oparciu o model Langmuira. Stwierdzono, że rozmiary ziaren węglowych w znacznym stopniu warunkują zawartość popiołu i gęstość helową. Węgiel grubiej uziarniony charakteryzował się wyższą zawartością popiołu i większą gęstością helową. Wykazano, że izoterma sorpcji wykazuje wysoką wrażliwość na zmiany gęstości helowej, co stwierdzono na podstawie badania martwej przestrzeni ampułki w której umieszczono próbkę. Wnioskować stąd można, że rozmiar ziaren węgla w dużym stopniu wpływa na charakterystyki sorpcyjne węgla, w tym także na chłonność sorpcyjną i histerezy desorpcji dla CO2 i CH4, zwłaszcza w badaniach na węglu suchym. W trakcie badań próbki węgla z ziarnami o wymiarach 150-212 μm (150 μm) wykazywały wyższą chłonność sorpcyjną, w dalszej kolejności plasowały się próbki o wymiarach ziaren: 2.36-3.35 mm (2.4 mm), 8-9.5 mm (8 mm) i 16-19 (16 mm). Jednakże różnice pomiędzy różnymi ziarnami węgla stawały się mniej wyraźne gdy izotermy sorpcji obliczane były w odniesieniu do próbki suchej, pozbawionej popiołu. Badania próbek o wymiarach ziaren 150 μm wykazały, że w ich przypadku histereza desorpcji jest stosunkowo mniejsza w porównaniu z próbkami gruboziarnistymi. Wszystkie wyniki: izotermy adsorpcji i desorpcji, parametry Langmuira oraz histerezy węgla badano przy użyciu dwóch gazów: CO2 i CH4.
    Źródło:
    Archives of Mining Sciences; 2014, 59, 3; 807-820
    0860-7001
    Pojawia się w:
    Archives of Mining Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Insecticidal potential of Ag-loaded 4A-zeolite and its formulations with Rosmarinus officinalis essential oil against rice weevil (Sitophilus oryzae) and lesser grain borer (Rhyzopertha dominica)
    Autorzy:
    El-Bakry, A.M.
    Youssef, H.F.
    Abdel-Aziz, N.F.
    Sammour, E.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2084655.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    insects
    Rhyzopertha dominica
    Rosmarinus officinalis
    Sitophilus oryzae
    stored
    products
    zeolite
    Opis:
    The insecticidal efficiency of Ag-loaded 4A-zeolite (ZAg) and its formulations with Rosmarinus officinalis essential oil (RO) was evaluated against Sitophilus oryzae (L.) and Rhyzopertha dominica (F.). For comparison, different rates of ZAg (0.25, 0.5, 0.75, and 1 g kg–1 wheat) were used solely and in a combination with LC50 concentrations of RO. Mortality was assessed after 7, 14, and 21 days of insect exposure to treated wheat. The progeny production was also evaluated. The use of ZAg accomplished a complete mortality (100%) on S. oryzae and 96.67% on R. dominica as well as 100% mortality of progeny against the two insect species after the longest exposing duration (21 days), at the highest rate (1 g ⋅ kg–1). On the other hand, the complete mortalities of ZAg formulations on S. oryzae were obtained after 14 d of treatment with F1 formulation (0.605 g ⋅ kg–1 RO + 0.25 g ⋅ kg–1 ZAg) and after 7 days with the other tested formulations. In addition, the complete mortality on R. dominica was obtained only by F8 (0.059 g kg–1 RO + 1 g kg–1 ZAg) formulation after 14 days of treatment. Concerning the efficiency of the examined formulations on the progeny of S. oryzae, F1 (0.605 g ⋅ kg–1 RO + 0.25 g ⋅ kg–1 ZAg) and F2 (0.605 g ⋅ kg–1 RO + 0.5 g ⋅ kg–1 ZAg) formulations recorded 100% mortality. In addition, F3 (0.605 g ⋅ kg–1 RO + 0.75 g ⋅ kg–1 ZAg) and F4 (0.605 g ⋅ kg–1 RO + 1 g ⋅ kg–1 ZAg) formulations suppressed the progeny production. Furthermore, the complete mortality of R. dominica progeny was obtained with F7 (0.059 g ⋅ kg–1 RO + 0.75 g ⋅ kg–1 ZAg) and F8 (0.059 g ⋅ kg–1 RO + 1 g ⋅ kg–1 ZAg) formulations. ZAg, especially its formulations with R. officinalis oil, had potential effects against two stored-product insects. F1 and F8 formulations could be treated efficiently on S. oryzae and R. dominica, respectively.
    Źródło:
    Journal of Plant Protection Research; 2019, 59, 3; 324-333
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Nitrogen injection to flush coal seam gas out of coal: an experimental study
    Wprowadzanie azotu do złóż węgla w celu wypłukiwania gazów z pokładu – badania eksperymentalne
    Autorzy:
    Zhang, L.
    Aziz, N.
    Ren, T.
    Nemcik, J.
    Tu, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/220142.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    N2 injection
    coal seam gas
    coal
    gas composition
    gas volume
    wprowadzanie azotu do złoża
    gaz zawarty w węglu
    węgiel
    skład gazu
    objętość gazu
    Opis:
    Several mines operating in the Bulli seam of the Sydney Basin in NSW, Australia are experiencing difficulties in reducing gas content within the available drainage lead time in various sections of the coal deposit. Increased density of drainage boreholes has proven to be ineffective, particularly in sections of the coal seam rich in CO2. Plus with the increasing worldwide concern on green house gas reduction and clean energy utilisation, significant attention is paid to develop a more practical and economical method of enhancing the gas recovery from coal seams. A technology based on N2 injection was proposed to flush the Coal Seam Gas (CSG) out of coal and enhance the gas drainage process. In this study, laboratory tests on CO2 and CH4 gas recovery from coal by N2 injection are described and results show that N2 flushing has a significant impact on the CO2 and CH4 desorption and removal from coal. During the flushing stage, it was found that N2 flushing plays a more effective role in reducing adsorbed CH4 than CO2. Comparatively, during the desorption stage, the study shows gas desorption after N2 flushing plays a more effective role in reducing adsorbed CO2 than CH4.
    W kilku kopalniach eksploatujących złoże Bulli w zagłębiu węglowym Sydney w Nowej Południowej Walii w Australii pojawił się problem redukcji zawartości gazu kopalnianego w złożach zawartego w różnych częściach złoża, w określonym czasie. Zwiększenie gęstości wykonywania odwiertów drenażowych okazało się być metodą nieskuteczną, zwłaszcza w częściach złoża bogatego w CO2. Inne kwestie to wzrastająca w świecie świadomość konieczności redukcji gazów cieplarnianych i wykorzystania czystej energii, stąd też podejmowane wysiłki na rzecz opracowania praktycznych i ekonomicznych metod odzyskiwania gazu ze złóż węgla. W pracy przedstawiono technologię opartą na wprowadzaniu azotu do złoża w celu wypłukania gazu zawartego w węglu, poprawiając skuteczność ich odzyskiwania. W prowadzonych pracach badano skuteczność odzysku CO2 i metanu ze złoża węgla po wprowadzeniu do niego azotu. Wyniki badań wskazują, że wypłukiwanie azotem w poważnym stopniu wpływa na proces desorpcji CO2 i CH4 i ich usuwania z węgla. Na etapie wprowadzania azotu, stwierdzono że wypłukiwanie azotem w większym stopniu wspomaga usuwanie adsorbowanego CH4 niż CO2. Dla porównania, w trakcie desorpcji, wykazano, że desorpcja gazów po wprowadzeniu do złoża azotu znacznie skuteczniej redukuje ilość adsorbowanego CO2 niż CH4
    Źródło:
    Archives of Mining Sciences; 2015, 60, 4; 1013-1028
    0860-7001
    Pojawia się w:
    Archives of Mining Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Potential effects of abiotic factors on the abundance and distribution of the plankton in the Western Harbour, South-Eastern Mediterranean Sea, Egypt
    Autorzy:
    Heneash, A.M.M.
    Tadrose, H.R.Z.
    Hussein, M.M.A.
    Hamdona, S.K.
    Abdel-Aziz, N.
    Gharib, S.M.
    Powiązania:
    https://bibliotekanauki.pl/articles/48656.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    plankton
    zooplankton
    distribution
    Western Harbour
    Mediterranean Sea
    Egypt
    abiotic factor
    potential effect
    abundance
    physicochemical parameter
    seasonal dynamics
    Źródło:
    Oceanologia; 2015, 57, 1
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Protozoa in a stressed area of the Egyptian Mediterranean coast of Damietta, Egypt
    Autorzy:
    Dorgham, M.M.
    El-Tohamy, W.S.
    Abdel-Aziz, N.E.
    El-Ghobashi, A.
    Qin, J.G.
    Powiązania:
    https://bibliotekanauki.pl/articles/49061.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    environment condition
    pollution indicator
    tintinnid
    Protozoa
    Egyptian Mediterranean coast
    Egypt
    Diametta coast
    aquatic ecosystem
    coastal water
    eutrophication
    Źródło:
    Oceanologia; 2013, 55, 3
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Technology acceptance in learning history subject using augmented reality towards smart mobile learning environment : case in Malaysia
    Autorzy:
    Suhaimi, H.
    Aziz, N. N.
    Mior Ibrahim, E. N.
    Wan Mohd Isa, W. A. R.
    Powiązania:
    https://bibliotekanauki.pl/articles/27314247.pdf
    Data publikacji:
    2022
    Wydawca:
    Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
    Tematy:
    smart city education
    mobile learning
    augmented reality
    history
    technology acceptance model
    Opis:
    In alignment with smart city initiatives, Malaysia is shifting its educational landscape to a smart learning environment. The Ministry of Education (MoE) has made History a mandatory subject for passing the Malaysian Certificate of Education to grow awareness and instil patriotism among Malaysian students. However, History has been known as one of the difficult subjects to study for many students. On the other hand, the Malaysian Government Education Blueprint 2013-2025 seeks to “leverage ICT scale up quality learning” across the country. Therefore, this study aims to identify the factors that influence the intention to use Augmented Reality (AR) for mobile learning in learning History subject among secondary school students in Malaysia. Quantitative approach has been chosen as the research method for this study. A direct survey was conducted on 400 secondary school students in one of the smart cities in Malaysia as the target respondents. The collected data are analysed through descriptive statistics and Multiple Linear Regression analysis by using Statistical Package for the Social Sciences. Based on the results, the identified factors that influence the intention to use AR for mobile learning in learning History subject are Gender, Perceived Usefulness, Perceived Enjoyment, and Attitude Towards Use. The identified factors can be a good reference for schools and teachers to strategize their teaching and learning methods in pertaining to History subject among secondary school students in Malaysia. Future studies may include the study of various types of schools in Malaysia and explore more moderating effects of demographic factors.
    Źródło:
    Journal of Automation Mobile Robotics and Intelligent Systems; 2022, 16, 2; 20--29
    1897-8649
    2080-2145
    Pojawia się w:
    Journal of Automation Mobile Robotics and Intelligent Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Uniformly continuous composition operator in the space of functions of two variables of Bounded ɸ-variation in the sense of Schramm
    Autorzy:
    Aziz, W.
    Ereú, T.
    Merentes, N.
    Sanchez, J. L.
    Wróbel, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/121642.pdf
    Data publikacji:
    2012
    Wydawca:
    Uniwersytet Humanistyczno-Przyrodniczy im. Jana Długosza w Częstochowie. Wydawnictwo Uczelniane
    Tematy:
    funkcja afiniczna
    funkcje matematyczne
    operator Nemytskija
    affine functions
    sense of Schramm
    Opis:
    We prove in this paper that if the composition operator H, generated by a function h : I b a x C(Iba) Y , maps ɸBV (Iba ,C) into ɸ2 BV (Iba , Y ) and is uniformly continuous, then the left-left regularization h* of h is an affine function with respect to the third variable.
    Źródło:
    Scientific Issues of Jan Długosz University in Częstochowa. Mathematics; 2012, 17; 7-16
    2450-9302
    Pojawia się w:
    Scientific Issues of Jan Długosz University in Częstochowa. Mathematics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Uniformly continuous set-valued composition operators in the space of total phi-bidimensional variation in the sense of Riesz
    Autorzy:
    Aziz, W.
    Gimenez, J.
    Merentes, N.
    Sanchez, J. L.
    Powiązania:
    https://bibliotekanauki.pl/articles/255453.pdf
    Data publikacji:
    2010
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    phi-bidimensional variation
    uniformly continuous
    Nemytskij operator
    Opis:
    In this paper we prove that if a Nemytskij composition operator, generated by a function of three variables in which the third variable is a function one, maps a suitable large subset of the space of functions of bounded total φ-bidimensional variation in the sense of Riesz, into another such space, and is uniformly continuous, then its generator is an affine function in the function variable. This extends some previous results in the one-dimensional setting.
    Źródło:
    Opuscula Mathematica; 2010, 30, 3; 241-248
    1232-9274
    2300-6919
    Pojawia się w:
    Opuscula Mathematica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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