无聊的人
发表于 2025-3-23 10:04:02
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myalgia
发表于 2025-3-23 14:55:20
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转换
发表于 2025-3-23 21:50:29
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人类的发源
发表于 2025-3-23 23:00:04
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Ballerina
发表于 2025-3-24 03:22:30
Effect of Land Uses on Personal Exposure of Street Vendors at a Metropolitan City8-h personal exposure monitoring for street vendors at a heavy traffic intersection and a residential area was carried out for 7 days in each location using personal sampler (EnviroTech APM 801). Chemical characterization of the collected PM5 samples were carried out for 15 elements using inductivel
RALES
发表于 2025-3-24 06:36:43
Social Vulnerability Assessment to Natural Hazards in Western Nepale Western regions of Nepal. Altogether, 9 indicators and 17 variables were selected based on various existing literature. 2011 census data was used for data extraction. A generalized deductive approach was used for the assessment. All the variables considered were normalized to a common scale from 0
rheumatology
发表于 2025-3-24 13:58:31
Sustainable Urban Drainage System to Avoid Flooding of Rain Origin and Improving Green Areas, Lima, ny urban infrastructure services. However, this process of urbanization has also produced a decrease in the permeability of the terrain causing in recent years flooding and severe damages by the occurrence of heavy rains in the district. It was proposed the implementation of a sustainable urban drai
甜瓜
发表于 2025-3-24 18:27:46
Replacement of River Sand with Coal Bottom Ash as Fine Aggregate in Cement Mortart decade has led to an incessant demand for river sand. Hence river sand is being excessively mined at the riverbeds and is leading to fast depletion of the precious natural resource. This presses the need for exploration of alternative materials which can be adopted as fine aggregate by constructio
Precursor
发表于 2025-3-24 20:57:22
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FLAGR
发表于 2025-3-25 00:41:39
Experimental Optimization of GGBS Fly Ash-Based Geopolymer Concrete Paver BlocksIn the existing state of the art, the researchers have put sincere efforts to reduce the emission of ozone-depleting materials that affect global warming. To overcome the environmental problems, the researchers have started to introduce alternative cementitious materials in geopolymer concrete produ