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4篇 您的检索式:作者名="Rahmah Ismail"
    题名 作者 年代 出处 被引量
1Human resource competitiveness and inflow of foreign investment to the ASEAN region 显示文摘Shak Yussof Rahmah Ismail 2002Asia-Pacific Development Journal2002,9,1:1
2Human resource competitiveness and inflow of foreign direct investment to the ASEAN region 显示文摘Ishak Yussof Rahmah Ismail 2002Asia-Pacific Development Journal2002,9,1:1
3Preparation and Antibacterial Activity of Superhydrophobic Modified ZnO/PVC Nanocomposite显示文摘We fabricated a superhydrophobic modified ZnO/PVC nanocomposite cluster with antibacterial properties using the chemical precipitation method and selected solvent/non-solvent(THF/ethanol)to PVC.The effects of ethanol content(47%,50%,53%,and 56%)on nanocomposite morphology and Water Contact Angles(WCAs)were investigated.XRD measurements confirmed the polycrystalline structure of ZnO with a wurtzite hexagonal phase,and EDX results indicated the presence of all element peaks.FESEM analysis of specimens revealed a rough surface structure resembling a cluster of NPs,and that structure was dominant when the ethanol content increased to 56%.The WCA increased on the superhydrophobic nanocomposite as ethanol content increased,and an optimum WCA(160°±2°)was obtained at an ethanol content of 56%.Antibacterial activity was tested on the superhydrophobic and hydrophobic states,and the superhydrophobic specimens showed good inhibition against Klebsiella spp.and Staphylococcus epidermidis.However,the hydrophobic specimens demonstrated no antibacterial activity against S.epidermidis.These promising results can inform the development of nanocomposites for many environmental applications.Muntadher Ismail Rahmah Raad Saadon Sabry Wisam Jafer Aziz 2022Journal of Bionic Engineering2022,19,1:0
4Recovery of bird communities following the construction of a large-scale hydroelectric dam显示文摘Background:Habitat degradation is known to have a major impact on the composition of bird communities,yet how these communities recover following such disturbance is less understood.This study examined bird community changes from pre-logging to recovery over the course of habitat disturbance caused by the development of the Hulu Terengganu Hydroelectric Dam Project in Peninsular Malaysia,between 2007 and 2018.Bird surveys were conducted using point count observations and mist netting in the dam area from the prelogging phase until the operation phase.Results:It was observed that while bird species significantly declined after large-scale habitat clearance between the pre-logging and construction phases,they showed positive signs of recovery from the inundation to operation phases.These findings indicate that the bird community is still recovering,and the permanent loss of habitat required by most of the original species has not occurred,as evidenced by recolonisation.Bird species composition differed across phases due to varying habitat conditions.The turnover rate and immigration rate(recolonisation and newly recorded species)were higher between the construction and operation phases.It was also observed that insectivorous birds were more heavily affected than others by changes to the landscape,which highlights the versatility,survivability and tolerance of certain species to extreme disturbance and habitat modification.Conclusion:Although the operation phase showed an incremental change in bird species richness due to recolonisation and newly recorded species,this value remains far from that of the pre-logging phase.We predict that bird species recovery will continue to increase for some time before reaching a plateau among the newly created islands,reservoir and catchment area of the dam.Affan Nasruddin-Roshidi Mohammad Saiful Mansor Nor Adibah Ismail Ehwan Ngadi Mohd Izzat-Husna Shahril Mod Husin Farah Shafawati Mohd-Taib Rahmah Illias Shukor Md Nor 2021Ecological Processes2021,10,1:0
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