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Meera Suraj Prasannakumari Bhattacharyya Malini Nizam Ashifa Kumar Ajay 《Environmental science and pollution research international》2022,29(4):4865-4879
Environmental Science and Pollution Research - Mangroves are one of the most productive ecosystems in the world harboring huge biological diversity. The prime ecological roles of mangroves are... 相似文献
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Nor Azali Azmir Mohd Imran Ghazali Musli Nizam Yahya Mohamad Hanafi Ali 《International journal of occupational safety and ergonomics》2016,22(3):433-438
Introduction. Prolonged exposure to hand-transmitted vibration from grass-cutting machines has been associated with increasing occurrences of symptoms and signs of occupational diseases related to hand–arm vibration syndrome (HAVS). Methods. A cross-sectional study was carried out using an adopted HAVS questionnaire on hand–arm vibration exposure and symptoms distributed to 168 male workers from the grass and turf maintenance industry who use hand-held grass-cutting machines as part of their work. The prevalence ratio and symptom correlation to HAVS between high and low–moderate exposure risk groups were evaluated. Results. There were positive HAVS symptoms relationships between the low–moderate exposure group and the high exposure group among hand-held grass-cutting workers. The prevalence ratio was considered high because there were indicators that fingers turned white and felt numb, 3.63, 95% CI [1.41, 9.39] and 4.24, 95% CI [2.18, 8.27], respectively. Less than 14.3% of workers stated that they were aware of the occupational hand–arm vibration, and it seemed to be related to the finger blanching and numbness. Conclusion. The results suggest that HAVS is under-diagnosed in Malaysia, especially in the agricultural sectors. More information related to safety and health awareness programmes for HAVS exposure is required among hand-held grass-cutting workers. 相似文献
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Nizam M. El-Ashgar Issa M. El-Nahhal Mohamed M. Chehimi Florence Babonneau Jacques Livage 《Environmental Chemistry Letters》2010,8(4):311-316
Insoluble porous solid functionalized ligand system bearing 2-aminophenylaminopropyl chelating ligand of the general formula
P–(CH2)3NH–(C6H4)–NH2 was prepared via the sol–gel process, where P represents [Si–O]
n
polysiloxane network. First, the 2-aminophenylaminopropylsilane agent was prepared by substitution reaction between 3-chloropropyltrimethoxysilane
and 1,2-phenylenediamine, followed by hydrolytic polycondensation between 2-aminophenylaminopropylsilane agent and tetraethylorthosilicate(TEOS).
The immobilized 2-aminophenylaminopropylpolysiloxane P–(CH2)3NH–(C6H4)–NH2(P–AphA) was characterized by 13C NMR, XPS, and FTIR. The results showed that 1,2-phenylenediamine groups were introduced onto polysiloxane network. The functionalized
ligand system exhibits 90–100% metal uptake capacity for all metal ions except Cd2+. The elemental analysis data and the metal uptake capacities of the immobilized ligand system suggest that over than 90%
ligand sites were involved in coordination with metal ions except that of cadmium forming 1:1 metal to ligand ratio complexes. 相似文献
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Jamil Barkat Yaping Shen Ud Din Nizam Nazneen Shama Mushtaq Anila 《Environmental science and pollution research international》2021,28(37):51278-51296
Environmental Science and Pollution Research - Environmental degradation is being studied by linking with various factors depending upon the interest of researchers. Our interest is in... 相似文献
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Raihan Asif Begum Rawshan Ara Nizam Mohd Said Mohd Pereira Joy Jacqueline 《Environmental and Ecological Statistics》2022,29(3):477-507
Environmental and Ecological Statistics - This study empirically investigates the nexus among energy use, agricultural land expansion, deforestation, and carbon dioxide (CO2) emissions in Malaysia.... 相似文献
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