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Wyszukujesz frazę "Ismail, Z." wg kryterium: Autor

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    Wyświetlanie 1-11 z 11
    Tytuł:
    Finite element model updating of reinforced concrete beams with honeycomb damage
    Autorzy:
    Ismail, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/230829.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    parametr uszkodzenia
    model elementów skończonych
    plaster miodu
    uaktualnienie
    moduł Younga
    damage parameter
    finite element model
    honeycombing
    updating
    Young's modulus
    Opis:
    A method of detecting honeycombing damage in a reinforced concrete beam using the finite element model updating technique was proposed. A control beam and two finite element models representing different severity of damage were constructed using available software and the defect parameters were updated. Analyses were performed on the finite element models to approximate the modal parameters. A datum and a control finite element model to match the datum test beams with honeycombs were prepared. Results from the finite element model were corrected by updating the Young’s modulus and the damage parameters. There was a loss of stiffness of 3% for one case, and a loss of 7% for another. The more severe the damage, the higher the loss of stiffness. There was no significant loss of stiffness by doubling the volume of the honeycombs.
    Źródło:
    Archives of Civil Engineering; 2012, 58, 2; 135-151
    1230-2945
    Pojawia się w:
    Archives of Civil Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Changes of hematological and biochemical parameters and levels of pepsinogen, histamine and prostaglandins in dairy cows affected with left displacement of the abomasum
    Autorzy:
    Al-Rawashdeh, O.
    Bani Ismail, Z.
    Talafha, A.
    Al-Momani, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/30550.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    The aims of this study were to determine the serum levels of pepsinogen, histamine, and prostaglandins F2α and E2 in lactating dairy cows affected with left displacement of the abomasum (LDA). In addition, the hematological and serum biochemical parameters were also determined in cows affected with LDA. A total of 52 adult lactating Holstein-Friesian cows affected with LDA and 30 normal cows (control) were used. In LDA cows, the average age, BCS and body weight were 4.9 ± 1.2 years, 2.5 ± 0.75, and 525 ± 150kg respectively. The average days-in-milk (DIM) in affected cows was 14 ± 6 with a range between 7 to 45 days. There were no significant differences in values of rectal temperature, heart rate and respiration rate between LDA cows and control. Rumen motility was significantly (p≤0.05) decreased in LDA cows. Cows affected with LDA had significantly (p≤0.05) increased glucose levels, and decreased levels of calcium and magnesium. There were significantly (p≤0.05) increased serum levels of pepsinogen and histamine in LDA cows while levels of prostaglandin E2 were significantly decreased in comparison to those in control cows. There were no significant changes in serum levels of prostaglandin F2α. In the hematology analyses, there were no significant changes in cows with LDA when compared to those in control cows. This study provides evidence of a possible role for pepsinogen, histamine and prostaglandin E2 in the etiopathophysiology of LDA in dairy cows.
    Źródło:
    Polish Journal of Veterinary Sciences; 2017, 20, 1
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Serum and milk concentrations of oxidant and anti-oxidant markers in dairy cows affected with bloody milk
    Autorzy:
    Bani Ismail, Z.
    Abutarbush, S.M.
    Al-Qudah, K.
    Omoush, F.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087303.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    dairy cows
    oxidative stress
    anti-oxidants
    dietary supplements
    bloody milk
    Źródło:
    Polish Journal of Veterinary Sciences; 2020, 23, 3; 341-347
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Genetic relatedness, antibiogram and virulence factors of Staphylococcus aureus isolated from bovine mastitis and related human contacts
    Autorzy:
    Alekish, M.O.
    Bani Ismail, Z.
    Gharaibeh, M.
    Abu-Qatous, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087354.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    intramammary infection
    dairy cows
    multi-drug resistant S. aureus
    antimicrobial resistance
    Źródło:
    Polish Journal of Veterinary Sciences; 2020, 23, 1; 133-141
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sustainable Approach for Recycling Medical Waste Needles to Partially Replace Aggregate in Lightweight Concrete Production
    Autorzy:
    Hamada, Lubna K.
    Ismail, Zainab Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/2024153.pdf
    Data publikacji:
    2021
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    concrete
    biomedical waste
    reuse
    waste needles
    sustainability
    beton
    odpady biomedyczne
    ponowne użycie
    igły do odpadów
    zrównoważony rozwój
    Opis:
    The generation of sharp waste from the activities of health care facilities is unavoidable. Waste needles are considered one of the most problematic issues in health facilities. This study involved an experimental investigation of reusing waste needles (WNs) in concrete mixes to partially replace the natural fine aggregate at 0%, 2%, 4%, 6%, 8% and 10% by weight. The mechanical and physical properties of the WNs-concrete mixes have been studied and compared to conventional concrete mix. The workability test, fresh and hard densities, compressive and flexural strengths, water absorption, and leaching test were carried. The curing ages considered for the concrete mixes were 7, 14, and 28 days. The results revealed that the WNs-concrete mixes exhibited improved flexural strength and workability, decreased water absorption capacity and improved durability. The compressive strength values of WNs-concrete mixes gradually decreased, but they were higher than the targeted mean strength of M17 grade concrete.
    Źródło:
    Advances in Science and Technology. Research Journal; 2021, 15, 1; 166-173
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biogas Recovery from Refinery Oily Sludge by Co-Digestion Followed by Sustainable Approach for Recycling the Residual Digestate in Concrete Mixes
    Autorzy:
    Jasim, Hassan S.
    Ismail, Zainab Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/2204865.pdf
    Data publikacji:
    2022
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    co-digestion
    biogas recovery
    methane
    Gompertz model
    oily sludge
    refinery oily sludge
    concrete
    Opis:
    This study investigated the potential of biogas recovery from refinery oily sludge (ROS) inoculated with animals’ manure by co-digestion of in lab-scale biodigesters at mesophilic conditions. Cow dung (CD), cattle manure (CM), and poultry manure (PM) were utilized as co-substrates. The biogas production from the co-digestion process exceeds its production from uninoculated ROS by approximately 67.5 %, 22.13% and 21.6% for PM, CM, and CD, respectively. Kinetics of the co-digestion process was well described by the modified Gompertz model. The predicted and experimental values of biogas production were well fitted with R2 > 0.96, suggesting favorable conditions of the digestion process. New approach for recycling the residual digestate to replace freshwater in concrete mixes was carried out. Results of examining the mechanical properties of the residual digestate-modified concrete mixes demonstrated a potential sustainable approach for the disposal of residual digestate in concrete mixes.
    Źródło:
    Advances in Science and Technology. Research Journal; 2022, 16, 5; 178--191
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Groundwater quality and hydrogeological characteristics of Malacca state in Malaysia
    Jakość wód gruntowych i charakterystyka hydrogeologiczna stanu Malakka w Malezji
    Autorzy:
    Shirazi, S. M.
    Adham, M. I.
    Zardari, N. H.
    Ismail, Z.
    Imran, H. M.
    Mangrio, M. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/947218.pdf
    Data publikacji:
    2015
    Wydawca:
    Instytut Technologiczno-Przyrodniczy
    Tematy:
    aquifer productivity
    groundwater
    Malacca catchment
    pumping test
    water quality
    jakość wody
    pompowanie badawcze
    woda gruntowa
    wydajność warstwy wodonośnej
    zlewnia Malakka
    Opis:
    Groundwater quality and aquifer productivity of Malacca catchment in Peninsular Malaysia are presented in this article. Pumping test data were collected from 210 shallow and 17 deep boreholes to get well inventory information. Data analysis confirmed that the aquifers consisting of schist, sand, limestone and volcanic rocks were the most productive aquifers for groundwater in Malacca state. GIS-based aquifer productivity map was generated based on bedrock and discharge capacity of the aquifers. Aquifer productivity map is classified into three classes, namely high, moderate and low based on discharge capacity. Groundwater potential of the study area is 35, 57 and 8% of low, moderate and high class respectively. Fifty two shallow and 14 deep aquifer groundwater samples were analyzed for water quality. In some cases, groundwater quality analysis indicated that the turbidity, total dissolved solids, iron, chloride and cadmium concentrations exceeded the limit of drinking water quality standards.
    W artykule przedstawiono jakość wód gruntowych i wydajność warstwy wodonośnej w zlewni Malakka na Półwyspie Malajskim. Do badań zastosowano metodę pompowania badawczego z 210 płytkich i 17 głębokich odwiertów. Najbardziej wydajne okazały się poziomy wodonośne usytuowane w łupkach, piaskowcach, wapieniach i skale wulkanicznej. Na podstawie danych o podłożu i wydajności sporządzono mapę wydajności warstw wodonośnych. Wyróżniono trzy klasy wydajności warstw wodonośnych: wysoka (8%) badanego obszaru, umiarkowana (57%) i niska (35%). Analizom poddano 52 próbki z płytkich warstw i 14 próbek z głębokich warstw. W niektórych przypadkach stężenie zawiesiny, suchej masy, żelaza, chlorków i kadmu przekraczało dopuszczalne wartości dla wody pitnej.
    Źródło:
    Journal of Water and Land Development; 2015, 24; 11-19
    1429-7426
    2083-4535
    Pojawia się w:
    Journal of Water and Land Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Spatial and temporal variations of sedimentation rate in the Timah Tasoh Water Reservoir, Perlis, Malaysia
    Analiza przestrzenna i czasowa zmiennosci ilosci sedymentu w zbiorniku Timah Tasoh, Perlis w Malezji
    Autorzy:
    Rahaman, Z A
    Ismail, W.R.
    Powiązania:
    https://bibliotekanauki.pl/articles/81815.pdf
    Data publikacji:
    2010
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Tematy:
    spatial analysis
    temporal analysis
    variation
    sedimentation rate
    sediment discharge
    Timah Tasoh Reservoir
    Perlis
    Malaysia
    Opis:
    Human activities such as logging, land conservation, road construction and other disturbances in watersheds will increase erosion rate and thus the amount of sediment transported into the river that reaches lakes, reservoirs and sea. Accelerated sedimentation rate in the reservoir can signifi cantly reduce a reservoir’s surface area, eliminating wetland area surrounding the reservoir and shallow the areas near the shore of the reservoir. A study of sedimentation rate in the Timah Tasoh water reservoir was carried out from May 2001 to April 2002 by means of sediment traps. The aim of this study is to determine the spatial and temporal pattern of sedimentation rates in the reservoir. The sediment traps were installed at five different locations in the reservoir and replaced every month. Gross sedimentation rates measured in the sediment traps vary from about an average of 1.4 kg/m2/month or 16.3 kg/m2/yr in the deepest part of the reservoir to about 79.2 kg/m2/yr (monthly average of 6.6 kg/m2/month) and 47.1 kg/m2/yr (monthly average of 3.9 kg/m2/month) near the inlet of the Pelarit River and the Tasoh River respectively. The sedimentation rate near the Pelarit River and the Tasoh River inflow is correlated with the water and suspended sediment discharge in the river, owing to its proximity to the rivers and the fl ooding effect, mainly during the wet season. The sedimentation rate decreases southward along the reservoir, as a result of increasing distance from the river mouth. The total suspended sediment load of the Upper Pelarit River and the Jarum River flowing into the reservoir is 11.4 × 103 ton/year and 5.41 × 103 ton/ /year respectively.
    Na podstawie szczegółowych łapaczkowych pomiarów terenowych przedstawiono zmiany przestrzenne i czasowe (2001–2002) ilości sedymentu w zbiorniku wodnym Timah Tasoh w Malezji. Łapaczki umieszczone w pięciu punktach zbiornika opróżniano co 5 miesięcy. Zmiany ilości sedymentu wykazano liczbowo na tle ilości dostarczanego rumowiska do zbiornika z rzek Pelarit oraz Jarum.
    Źródło:
    Annals of Warsaw University of Life Sciences - SGGW. Land Reclamation; 2010, 42, 1; 127-138
    0208-5771
    Pojawia się w:
    Annals of Warsaw University of Life Sciences - SGGW. Land Reclamation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Challenges for managing non-technological innovation : a case from Malaysian public sector
    Wyzwania dotyczące zarządzania pozatechnologicznymi innowacjami : przypadek malezyjskiego sektora publicznego
    Autorzy:
    Ab Rahman, Z. N.
    Ismail, N.
    Rajiani, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/405375.pdf
    Data publikacji:
    2018
    Wydawca:
    Politechnika Częstochowska
    Tematy:
    innovative culture
    resources
    collaboration
    non-technological innovation
    kultura innowacyjna
    odpowiednie zasoby
    współpraca
    pozatechnologiczne innowacje
    Opis:
    The Malaysian government has encouraged public sectors to adopt innovation to create value added that will increase their wealth creation and to enhance their competitive advantage. There are many initiatives have been put forward to encourage the innovative activities, nonetheless, the efforts are rather less fruitful. Thus, this paper aims to discuss the challenges faced in managing non-technological innovation in the organization and suggest ways for improvement particularly in Malaysian public sectors. For that purpose, seven interviewees have been chosen to be interviewed using semi-structured questions from two categories; facilitator and implementer. Thematic approach is implemented to analyse the data collected. This study has identified three critical challenges, which include innovative culture, inadequate resources and lack of collaboration with other institutions.
    Rząd Malezji zachęcał sektory publiczne do przyjmowania innowacji w celu tworzenia wartości dodanej, która zwiększy ich dobrobyt i wzmocni przewagę konkurencyjną. Podjęto wiele inicjatyw zachęcających do innowacyjnych działań, jednak uzyskane wyniki nie są najlepsze. Niniejszy artykuł ma na celu omówienie wyzwań stojących przed zarządzaniem pozatechnologicznymi innowacjami w organizacji oraz zaproponowanie sposobów na poprawę aktualnego stanu, szczególnie w malezyjskich sektorach publicznych. W tym celu wybrano siedem osób, z którymi przeprowadzono wywiady, z wykorzystaniem półstrukturalnych pytań z dwóch kategorii; moderator i realizator. W celu analizy zebranych danych wdrożono podejście tematyczne. W badaniu wskazano trzy kluczowe wyzwania, które obejmują innowacyjną kulturę, nieodpowiednie zasoby oraz brak współpracy z innymi instytucjami.
    Źródło:
    Polish Journal of Management Studies; 2018, 17, 1; 7-16
    2081-7452
    Pojawia się w:
    Polish Journal of Management Studies
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ultrasonic-assisted synthesis of reactive carboxymethyl cellulose stabilized nano zero-valent iron and its application for removal of Cr6+ and Cu2+ ions
    Autorzy:
    Ayob, A.
    Santiagoo, R.
    Amneera, W. A.
    Ismail, N.
    Abdullah, A. Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/207403.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    high resolution transmission
    electron microscopy
    light scattering
    transmission electron microscopy X ray diffraction
    zero-valent iron
    wysoka rozdzielczość transmisyjna
    mikroskopia elektronowa
    dyfrakcja rentgenowska
    żelazo
    Opis:
    Carboxymethyl cellulose (CMC) was used in the chemical reduction using sodium borohydride to yield dispersive nano zero-valent iron (nZVI) particles as reactive and stable adsorbents. CMC- -stabilized nZVI particles were characterized via UV-visible light spectroscopy, X-ray diffraction, dynamic light scattering, transmission electron microscopy, and specific surface area assisted using a probe ultrasonication dispersing tool at 50% amplitude power. High catalytic reactivity obtained in pseudo-first order reaction for Cr6+ (rate constant K1 = 0.0311 min–1) and pseudo-second order for Cu2+ (rate constant K2 = 0.0946 g·mg–1·min–1) indicated that colloidal stability of nZVI particles can be achieved with a stabilizer for the removal of toxic contaminants.
    Źródło:
    Environment Protection Engineering; 2016, 42, 2; 55-79
    0324-8828
    Pojawia się w:
    Environment Protection Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ground Penetrating Radar’s (GPR) Imaging and Applications to Pavement Structural Assessment: a Case of Malaysia
    Autorzy:
    Muslim, N. H.
    Mohamed, M. I.
    Amin, Z. M.
    Shafaghat, A.
    Ismail, M.
    Keyyanfar, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/224097.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    pavement
    assessment pavements
    geophysical tools
    ground penetrating radar
    GPR
    REFLEX 2D software
    nawierzchnia
    ocena nawierzchni
    narzędzia geofizyczne
    georadar
    oprogramowanie REFLEX 2D
    REFLEX 2D
    Opis:
    Traditionally, pavement distress evaluations were carried out by visual observation. Traditional practice requires a person to walk along the stretch of the pavement to conduct distress survey, take photo and measure defects occurred at deteriorated surfaces. However, this approach is too subjective, generates inconsistencies of information, less reliable and time-consuming. Due to these shortcomings, the transportation practitioners in pavement maintenance seek for other alternative tools and techniques to arrest incapability of traditional practices. One of the tools available in the market is Ground Penetrating Radar (GPR). GPR is a geophysical tool known by ability to accommodate extensive data in pavement assessment, geotechnical investigation and structural assessment. The application of GPR is such new to most of road maintenance industry in Malaysia. Therefore, this study has been undertaken to evaluate the benefits of using GPR imaging and its application in assessing pavement structures in Malaysia. The GPR survey was conducted in Meranti street located at UTM (Universiti Teknologi Malaysia) campus, and then analyzed using REFLEX 2D simulation software. The finding shows there are three (3) types of information obtained from GPR survey included; identification of raw image and processed image, identification of pavement segments thickness, and identification of GPR response towards surface and subsurface conditions, which illustrated in radargram images. Furthermore, the GPR can perform at high speed and can save time. It is also beneficial for long-term investment due to ability to provide extensive information at a greater depth. The research indicates that interpretation of GPR’s radargram images consumes time due to the low resolution. Therefore, selection of GPR system is subject to level of accuracy and clarity of radar images needed in a project.
    Źródło:
    Archives of Transport; 2017, 42, 2; 39-51
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-11 z 11

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