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Wyświetlanie 1-10 z 34
Tytuł:
Remediation technologies of diazinon and malathion residues in aquatic system
Autorzy:
Derbalah, A.
Ismail, A.
Powiązania:
https://bibliotekanauki.pl/articles/207344.pdf
Data publikacji:
2013
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
biotechnology
bioremediation
microorganisms
water pollution
remediation technologies
contaminated water
biotechnologia
bioremediacja
mikroorganizmy
zanieczyszczenie wody
remediacja
techniki remediacyjne
woda zanieczyszczona
Opis:
The study was carried out to evaluate the efficiencies of various remediation technologies (advanced oxidation processes and bioremediation) for removing diazinon and malathion residues from water. Nano photo-Fenton reagent (Fe0(nano)/H2O2AJV) was the most effective treatment for diazinon and malathion removal while ultraviolet alone was the least effective one. Bioremediation of diazinon and malathion by effective microorganisms (EMs) removed about 100% of their initial concentration. There was no remaining toxicity in contaminated water after remediation except for ultraviolet alone on treated rats. Advanced oxidation processes with nanomaterials and bioremediation with effective microorganisms can be regarded as safe and effective remediation technologies.
Źródło:
Environment Protection Engineering; 2013, 39, 3; 135-147
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Service quality as a predictor of customer satisfaction and customer loyalty
Poziom obsługi klienta jako wskaźnik poziomu zadowolenia klienta oraz lojalności klienta
Autorzy:
Ismail, A.
Yunan, Y. M.
Powiązania:
https://bibliotekanauki.pl/articles/362300.pdf
Data publikacji:
2016
Wydawca:
Wyższa Szkoła Logistyki
Tematy:
logistics
service quality
customer satisfaction
customer loyalty
army medical centers
SmartPLS
jakość obsługi
zadowolenia klienta
lojalność klienta
wojskowe centra medyczne
Opis:
Background: Service quality, customer satisfaction and customer loyalty have received a special attention in the recent health sector literature. The aim of this study was to examine the correlation between service quality and customer satisfaction as well as the correlation between service quality and customer loyalty. Methods: The self-report questionnaires gathered from patients at army medical centres in West Malaysia were used for this purpose. Results: The outcomes of SmartPLS path model analysis showed that service quality dimensions, namely tangible, reliability, responsiveness, assurance and empathy were significantly correlated with customer satisfaction and customer loyalty. Conclusions: This finding confirms that the capability of service providers to appropriately implement the quality dimensions in providing medical services has enhanced customer satisfaction and customer loyalty in the organizational sample.
Wstęp: Poziom obsługi klienta, zadowolenia klienta jak i lojalność klienta to zagadnienia, którym ostatnio poświęca się sporo uwagi w fachowej literaturze dotyczącej ochrony zdrowia. Celem tej pracy było zbadanie występowania zależności pomiędzy jakością obsługi i zadowoleniem klienta jak również zależnością pomiędzy jakością obsługi i lojalnością klienta. Metody Badania zostały przeprowadzone przy użyciu ankiety wśród pacjentów wojskowych centrów medycznych na terenie Zachodniej Malezji. Wyniki: Wyniki uzyskane przy zastosowaniu analizy SmartPLS wskazują, że takie składowe jakości obsługi jak: konkretność, niezawodność, odpowiedzialność, bezpieczeństwa i empatia są istotnie skorelowane z zadowoleniem klienta oraz lojalnością klienta. Wnioski: Otrzymane wyniki potwierdzają możliwość dostawcy usług na takie kształtowanie oferowanych usług medycznych, aby zwiększyć poziom zadowolenia klienta oraz jego lojalności.
Źródło:
LogForum; 2016, 12, 4; 269-283
1734-459X
Pojawia się w:
LogForum
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Monitoring and remediation technologies of organochlorine pesticides in drainage water
Autorzy:
Ismail, A.
Derbalah, A
Shaheen, S.
Powiązania:
https://bibliotekanauki.pl/articles/778156.pdf
Data publikacji:
2015
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
lindane
remediation
toxicity
degradation
water
Opis:
This study was carried out to monitor the presence of organochlorine in drainage water in Kafr-El-Sheikh Governorate, Egypt. Furthermore, to evaluate the efficiencies of different remediation techniques (advanced oxidation processes [AOPs] and bioremediation) for removing the most frequently detected compound (lindane) in drainage water. The results showed the presence of several organochlorine pesticides in all sampling sites. Lindane was detected with high frequency relative to other detected organochlorine in drainage water. Nano photo-Fenton like reagent was the most effective treatment for lindane removal in drainage water. Bioremediation of lindane by effective microorganisms (EMs) removed 100% of the lindane initial concentration. There is no remaining toxicity in lindane contaminated-water after remediation on treated rats relative to control with respect to histopathological changes in liver and kidney. Advanced oxidation processes especially with nanomaterials and bioremediation using effective microorganisms can be regarded as safe and effective remediation technologies of lindane in water.
Źródło:
Polish Journal of Chemical Technology; 2015, 17, 1; 115-122
1509-8117
1899-4741
Pojawia się w:
Polish Journal of Chemical Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Monitoring of organophosphorus pesticides and remediation technologies of the frequently detected compound (chlorpyrifos) in drinking water
Autorzy:
Derbalah, A.
Ismail, A.
Shaheen, S.
Powiązania:
https://bibliotekanauki.pl/articles/778327.pdf
Data publikacji:
2013
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
chlorpyrifos
pollution
toxicity
water
remediation
Opis:
Studies on the currently used organophosphorus insecticides with respect to their environmental levels and effective remediation technologies for their residues in water have been considered as a source of major concern. This study was carried out to monitor the presence of organophosphorus in drinking water plants (Kafr-El-Shiekh, Ebshan, Elhamoul, Mehalt Aboali, Fowa, Balteem and Metobess) in Kafr-El-Shiekh Governorate, Egypt. Furthermore, it was carried out to evaluate the efficiency of different remediation technologies (advanced oxidation processes and bioremediation) for removing chlorpyrifos in drinking water. The results showed the presence of several organophosphorus pesticides in water sampling sites. Chlorpyrifos was detected with high frequency relative to other compounds in drinking water. Nano photo-Fenton like reagent (Fe2O3(nano)/H2O2/UV) was the most effective treatment for chlorpyrifos removal in drinking water followed by ZnO(nano)/H2O2/UV, Fe3+/H2O2/UV and ZnO/H2O2/ UV, respectively. Bioremediation of chlorpyrifos by effective microorganisms (EMs) removed 100% of the chlorpyrifos initial concentration after 23 days of treatment. There is no remaining toxicity in chlorpyrifos contaminated-water after remediation on treated rats with respect to cholinesterase activity and histological changes in kidney and liver relative to control. Advanced oxidation processes especially with nanomaterials and bioremediation with effective microorganisms can be regarded as safe and effective remediation technologies for chlorpyrifos in drinking water.
Źródło:
Polish Journal of Chemical Technology; 2013, 15, 3; 25-34
1509-8117
1899-4741
Pojawia się w:
Polish Journal of Chemical Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The simulation of performance characteristics of port injection dedicated compressed natural gas spark ignition engine
Autorzy:
Semin, Semin
Abu Bakar, R.
Ismail, A.
Powiązania:
https://bibliotekanauki.pl/articles/950139.pdf
Data publikacji:
2008
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
CNG engine
computational modelling
engine performance
port/sequential injection
Opis:
This paper presents the computational modelling simulation results of port/sequential injection dedicated compressed natural gas (CNG) spark ignition engine to investigate and evaluate the engine performance while base engine converted by using compressed natural gas as an alternative fuel. The baseline engine in this research is four stroke direct injection diesel engine. The computational modelling design and development has performed using GT-Power software at Automotive Excellent Centre Laboratory, Faculty of Mechanical Engineering, University Malaysia Pahang, Malaysia. To investigate the engine performance, the engine computational model is operated between 500-4000 rpm, under steady state condition. In this research, the sequential injection dedicated compressed natural gas spark ignition engine performance investigation results such as torque, power, fuel consumption pressure and exhaust gas emissions were investigated and compared to base diesel engine performance. From the CNG engine computational modelling simulation results are shown that by development of sequential injection dedicated compressed natural gas spark ignition engine has a potential to reduce the engine emissions. Unfortunately, the development of sequential injection dedicated compressed natural gas spark ignition engine can be reducing the engine performance. However, the study of required to improve the performance of sequential injection dedicated compressed natural gas spark ignition engine has a potential of reducing engine.
Źródło:
Journal of KONES; 2008, 15, 2; 427-432
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The administration of leadership training programs enhance the trainees’ motivation to learn
Administracja programów szkoleniowych zwiększająca motywację uczestników do nauki
Autorzy:
Ismail, A.
Zainol, N. A. M.
Ahmad, N. N.
Powiązania:
https://bibliotekanauki.pl/articles/362290.pdf
Data publikacji:
2017
Wydawca:
Wyższa Szkoła Logistyki
Tematy:
course content
instructors’ roles
motivation to learn
SmartPLS
kurs szkoleniowy
rola instruktora
motywacja do nauki
Opis:
Background: The aim of this paper is to examine the relationship between the administration of leadership training programs and trainees’ motivation to learn. Self-administered questionnaires were distributed to collect data from junior army leaders in Peninsular Malaysia. Methods: A cross sectional method was employed in this study because it allowed the researchers to integrate the LTP literature, the pilot study and the actual survey as the main procedures to collect data. Beside a purposive sampling technique was used to distribute 300 self-report questionnaires to junior army leaders at the organization and the survey questionnaire data were analyzed using SmartPLS. Results: The results show that the ability of senior administrators to appropriately use a well-designed course content and select the right instructors to teach and facilitate trainees had enhanced trainees’ motivation to learn in the organizational sample. Conclusions: This study tested a conceptual schema developed based on the LTP research literature. The results of the confirmatory factor analysis showed that the instrument used in this study satisfactorily met the standard of validity and reliability analyses. Furthermore, the outcomes of the SmartPLS path model proved that course content and instructors’ roles were important predictors of trainees’ motivation to learn in the organizations.
Wstęp: Celem pracy było zbadanie związku między administracją programów szkoleniowych zarządzania a motywacją uczestników do nauki. W tym celu zostały skierowane ankiety do młodych przywódców armii w Malezji. Metody: Zastosowano metodę krzyżową, jako główną metodą zbierania danych, aby lepiej połączyć istniejące publikacje naukowe, badanie pilotażowe oraz aktualne badania. Zastosowano badanie ankietowe na próbie losowej 300 młodych przywódców armii. Uzyskane wyniki poddano analizie przy zastosowaniu SmartPLS. Wyniki: Wyniki wskazują na zdolność doświadczonych administratorów na prawidłowe stosowanie dobrze przygotowanych materiałów szkoleniowych oraz na dobór właściwych instruktorów do prowadzenia szkoleń oraz zwiększenia motywacji uczestników do nauki w badanej organizacji. Wnioski: Testowano koncepcyjny schemat opracowany na podstawie przeglądu literatury naukowej. Wyniki przeprowadzonej analizy wykazują, że instrument użyty w pracy w sposób satysfakcjonujący spełnił standardy analizy trafności oraz niezawodności. Wyniki modelu ścieżki SmartPLS zaakceptowały treści szkoleniowej oraz rolę instruktorów, jako ważnych czynników wpływających na poziom motywacji uczestników do nauki w badanej organizacji.
Źródło:
LogForum; 2017, 13, 4; 465-477
1734-459X
Pojawia się w:
LogForum
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Synthesized and characterization of pure and Er+3 doped ZnO nanoparticles by using laser ablation in ethanol
Autorzy:
Ismail, Raid A.
Habubi, Nadir F.
Powiązania:
https://bibliotekanauki.pl/articles/1191374.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
AFM
Er doping
Heterojunction
XRD
Zinc Oxide
nanocollidal suspension
Opis:
Pulsed laser ablation in ethanol at room temperature with laser fluence 4.62 J/cm2 was employed to synthesize pure zinc oxide (ZnO) and Er- doped ZnO nanocolloidal suspension. The structural properties were determined by using x-ray diffraction (XRD) method and was confirmed its hexagonal wurtzite structure. The photoluminescence spectra (PL), AFM and FTIR measurement of the synthesized pure and Er-doped ZnO is carried out. The photoluminescence spectra measurements show that all the samples have ultraviolet emission and green emission and the surface granular morphology. The FTIR spectra indicate the existence of Zn-O, Er-O-Er and Er-O stretching modes. Al/ZnO/P-Si/Al and Al/Er-ZnO/P-Si/Al photodetectors hetrojunction has two peaks of response located at 650 nm for and 790 nm and the first peak shifted to 550nm for the doped hetrojunction with max sensitivity 0.7A/W. The maximum specific detectivity is 4.3×1012 W-1•cm•Hz-1 and 3×1012 W-1 •cm•Hz-1 for undoped and doped hetrojunctions respectively. The values of the built-in potentials 0.9 volt for Al/ZnO/P-Si/Al heterojunction and 0.6 volt for Al/Er-ZnO/P-Si/Al hetrojunction.
Źródło:
World Scientific News; 2016, 33; 67-78
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Impact of membrane pore structure on protein detection sensitivity of affinity-based immunoassay
Autorzy:
Ahmad, A. L.
Ideris, N.
Ooi, B.S.
Low, S.C.
Ismail, A.
Powiązania:
https://bibliotekanauki.pl/articles/777927.pdf
Data publikacji:
2016
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
morphology
PVDF membrane
protein immobilization
Opis:
Understanding a membrane’s morphology is important for controlling its final performance during protein immobilization. Porous, symmetric membranes were prepared from a polyvinylidene fluoride/N-methyl-2-pyrrolidinone solution by phase inversion process, to obtain membrane with various microsized pores. The concentration and surface area of aprotein dotted on the membrane surface were measured by staining with Ponceau S dye. The dotted protein was further scanned and analysed to perform quantitative measurements for relative comparison. The intensity of the red protein spot and its surface area varied depending on the membrane pore size, demonstrating the dependence of protein immobilization on this factor. The membrane with the smallest pore size (M3) showed the highest protein spot intensity and surface area when examined at different protein concentrations. An increase in the applied protein volume showed a linearity proportional trend to the total surface area, and an uneven round dot shape was observed at a large applied volume of protein solution.
Źródło:
Polish Journal of Chemical Technology; 2016, 18, 2; 97-103
1509-8117
1899-4741
Pojawia się w:
Polish Journal of Chemical Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Xerophiles and other fungi associated with cereal baby foods locally produced in Uganda
Autorzy:
Ismail, M.A.
Taligoola, H.K.
Nakamya, R.
Powiązania:
https://bibliotekanauki.pl/articles/67513.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
fungi
cereal product
baby food zob.child food
child food
food product
production
Uganda
xerophilic fungi
mycobiota
spoilage
contamination
Opis:
Fifty samples from five baby food products mainly made of cereal flour(s) were analyzed. The moisture contents of these products were between 11.14% and 11.9%, a level below 14.0%, the recommended level for safe storage of cereal grains and their products. The mycological analysis was carried out using the dilution plate method and two isolation media (DG18 for isolation of xerophilic fungi and DRBC for fungi in general). A total of 80 species related to 37 genera in addition to some unidentified fungal and yeast species were recorded on both media from the five products. The products were contaminated abundantly by xerophilic fungi which were occurring in 88% of food samples and accounting for 18.1% of the total CFU as recorded on DG18. The highest contamination level by xerophiles was registered in Mwebaza rice porridge (a component of rice flour) and the lowest in Mukuza (a product of maize, soyabean and sorghum flours). 11 xerophilic species were recorded of which Aspergillus and Eurotium (4 species each) were the predominant giving rise to 9.1% and 8.9% of the total CFU, with A. wentii, A. candidus, E. cristatum and E. repens were the most contaminating species. Of the fungi recorded other than xerophiles, species of Aspergillus (particularly A. flavus followed by A. niger), Penicillium (P. citrinum, P. oxalicum), Fusarium (F. solani, F. tricinctum), Cladosporium (C. sphaerospermum) and yeasts were the most predominant. Contamination of such foods is a matter of health hazard as these foods are for babies. So, the use of fresh, well-dried and uncontaminated flours for production of such foods is recommended.
Źródło:
Acta Mycologica; 2012, 47, 1
0001-625X
2353-074X
Pojawia się w:
Acta Mycologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of annealing temperature on the optical properties of ZnO nanoparticles
Autorzy:
Ismail, R. A.
Habubi, N. F.
Abid, H. R.
Powiązania:
https://bibliotekanauki.pl/articles/412203.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
nanoparticles
ZnO film
optical properties
drop casting technique
Opis:
In this work, ZnO films were prepared by drop casting technique. The films were deposited on quartz substrates under different annealing time (15,30,45 and 60 min.) at a constant temperature (800 °C). The optical properties were achieved by measuring the absorbance and transmittance spectra in the wavelength range (200-900) nm. It was found that the absorbance decreases while transmission increases as the annealing time increases, while the reflectance decreases as the annealing time increases. The optical measurements indicate the kind of transition which was a direct allowed with an average band gap energies lie between 3.3 eV and 3.54 eV with the change of annealing time.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 4; 37-47
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 34

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