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1.
Hassan Hisham Soliman El-Kamash Ahmed Mohamed Ibrahim Haneen Abdel-Salam 《Environmental science and pollution research international》2019,26(25):25641-25655
Environmental Science and Pollution Research - A composite polymer, hydroxyapatite/poly(acrylamide-acrylic acid), was synthesized by gamma-induced polymerization. The factors affecting the sorption... 相似文献
2.
Use of selected waste materials in concrete mixes 总被引:2,自引:0,他引:2
A modern lifestyle, alongside the advancement of technology has led to an increase in the amount and type of waste being generated, leading to a waste disposal crisis. This study tackles the problem of the waste that is generated from construction fields, such as demolished concrete, glass, and plastic. In order to dispose of or at least reduce the accumulation of certain kinds of waste, it has been suggested to reuse some of these waste materials to substitute a percentage of the primary materials used in the ordinary portland cement concrete (OPC). The waste materials considered to be recycled in this study consist of glass, plastics, and demolished concrete. Such recycling not only helps conserve natural resources, but also helps solve a growing waste disposal crisis. Ground plastics and glass were used to replace up to 20% of fine aggregates in concrete mixes, while crushed concrete was used to replace up to 20% of coarse aggregates. To evaluate these replacements on the properties of the OPC mixes, a number of laboratory tests were carried out. These tests included workability, unit weight, compressive strength, flexural strength, and indirect tensile strength (splitting). The main findings of this investigation revealed that the three types of waste materials could be reused successfully as partial substitutes for sand or coarse aggregates in concrete mixtures. 相似文献
3.
Lokman Shamsudin Azis Awang Azmi Ambak Sakri Ibrahim 《Environmental monitoring and assessment》1996,40(3):303-311
Red tide of dinoflagellate was observed in brackish water fish ponds of Terengganu along the coast of the South China Sea during the study period between January 1992 to December 1992. The nearby coastal moat water facing the South China Sea is the source of water for fish pond culture activities of sea bass during the study period. An examination of water quality in fish ponds during the study period indicated that both the organic nutrients were high during the pre-wet monsoon period. The source of the nutrients in coastal water was believed to be derived from the agro-based industrial effluents, fertilizers from paddy fields and untreated animal wastes. This coincided with the peak production of dinoflagellate in the water column in October 1992. The cell count ranges from 8.3 to 60.4×10.4×104/l during the bloom peak period and the bloom species were compared entirely of non-toxic dinoflagellates with Protoperidinium quinquecorne occurring >90% of the total cell count. However, both cultured and indigenous fish species were seen to suffer from oxygen asphyxiation (suffocation due to lack of oxygen). The bloom lasted for a short period (4–5 days) with a massive cell collapse from subsurface to bottom water on the sixth day. The productivity values ranged from 5–25 C g/ l / h with a subsurface maximum value in October 1992. Two species of Ciliophora, Tintinnopsis and Favella, were observed to graze on these dinoflagellates at the end of the bloom period. 相似文献
4.
5.
Kabbash Ibrahim Ali El-Sallamy Rania Mostafa Abdo Sanaa Abd El-Fatah Atalla Asmaa Omar 《Environmental science and pollution research international》2020,27(30):37565-37571
Environmental Science and Pollution Research - To identify level of job satisfaction among physicians at secondary and tertiary care levels. Random sample of 450 secondary and 523 tertiary care... 相似文献
6.
Arunachalam Thangakumar Khader Syed Zameer Ahmed Syed Zameer Ahmed Sidhra Vetrivel Manimaran Syed Ameen Syed Tajudeen Ameer Khadharu Ibrahim Sheriff Prabhu Puniethaa Jayachandran Philp Robinson M. Sabu Dastageer 《Environmental science and pollution research international》2020,27(9):9058-9058
Environmental Science and Pollution Research - The correct presentation of the Author names are shown in this paper. 相似文献
7.
Adelodun Bashir Ajibade Fidelis Odedishemi Ibrahim Rahmat Gbemisola Ighalo Joshua O. Bakare Hashim Olalekan Kumar Pankaj Eid Ebrahem M. Kumar Vinod Odey Golden Choi Kyung-Sook 《Journal of Material Cycles and Waste Management》2021,23(6):2077-2086
Journal of Material Cycles and Waste Management - The recent emergence of the COVID-19 pandemic has contributed to the drastic production and use of healthcare and personal protective equipment,... 相似文献
8.
Hassan Nadira Mansour Abu-Elenin Mira M. Elsallamy Rania M. Kabbash Ibrahim A. 《Environmental science and pollution research international》2020,27(30):37557-37564
Environmental Science and Pollution Research - Resident physicians are the first-line health service providers, subjected to prolonged working hours, sleep deprivation and high job demands. Work... 相似文献
9.
Lu Yaobin Abu-Reesh Ibrahim M. He Zhen 《Environmental science and pollution research international》2016,23(17):17236-17245
Environmental Science and Pollution Research - Microbial desalination cells (MDCs) have been studied for contaminant removal from wastewater and salinity reduction in saline water. However, in an... 相似文献
10.