Results 1 to 10 of about 2,407,544 (313)

Assessment of Ship Hull Ultimate Strength under Fire Conditions: The Fire Smith Method Approach

open access: yesJournal of Marine Science and Engineering, 2023
This article presents the fire Smith method, which integrates the plate model and the Smith method, to analyze the impact of fire temperature and extent on the buckling strength of frigates.
Jiaxin Wu   +3 more
doaj   +1 more source

Effects of Ambient O3 on Respiratory Mortality, Especially the Combined Effects of PM2.5 and O3

open access: yesToxics, 2023
Background: In China, the increasing concentration of ozone (O3) has emerged as a significant air pollution issue, leading to adverse effects on public health, particularly the respiratory system.
Ye Deng   +10 more
doaj   +1 more source

Air pollution associated with hospital visits for mental and behavioral disorders in Northeast China

open access: yesFrontiers in Epidemiology, 2023
BackgroundRelated studies have found that air pollution is an important factor affecting mental and behavioral disorders. Thus, we performed this time-series study to evaluate the relationship between short-term exposure to ambient air pollutants and ...
Huo Liu   +4 more
doaj   +1 more source

Insight into the degradation mechanism of fluorene by ferrous/humic acid activated persulfate: Free radical reactions, functional group verification and degradation pathway

open access: yesFrontiers in Environmental Science, 2022
This study evaluated the performance of humic acid (HA)/ferrous ion (Fe (II)) activating persulfate (PS) for fluorene (FLU) degradation. Results showed that HA/Fe(II)/PS system exhibited the best performance for PS activation to eliminate FLU.
Haonan Li   +12 more
doaj   +1 more source

Research on the Regional Environmental Impact and Risk Assessment Affected by Mineral Resource Development: A Case Study of the Taojia River Watershed in Hunan

open access: yesFrontiers in Ecology and Evolution, 2022
The mining and production of mineral resources can directly lead to soil and water pollution, posing a serious threat to human health. In this study, the Taojia River basin, a tributary of the Xiangjiang River, was selected as the study area.
Hongying Cao   +9 more
doaj   +1 more source

Microbial cell wall sorption and Fe–Mn binding in rhizosphere contribute to the obstruction of cadmium from soil to rice

open access: yesFrontiers in Microbiology, 2023
Screening high-tolerant microorganisms to cadmium (Cd) and revealing their bio-obstruction mechanism could be significant for Cd regulation from farmland to the food chain.
Jie Li   +6 more
doaj   +1 more source

A Review of Blast Loading in the Urban Environment

open access: yesApplied Sciences, 2023
Urban blasts have become a significant concern in recent years. Whilst free-field blasts are well understood, the introduction of an urban setting (or any complex geometry) gives rise to multiple blast wave interactions and unique flow complexities ...
Adam Ratcliff   +3 more
doaj   +1 more source

Causal relationship between particulate matter 2.5 and hypothyroidism: A two-sample Mendelian randomization study

open access: yesFrontiers in Public Health, 2022
BackgroundEpidemiological surveys have found that particulate matter 2.5 (PM2.5) plays an important role in hypothyroidism. However, due to the methodological limitations of traditional observational studies, it is difficult to make causal inferences. In
Yuning Zhang   +3 more
doaj   +1 more source

Penilaian Kondisi Jembatan di Kabupaten Sijunjung

open access: yesJurnal Bangunan, Konstruksi & Desain, 2023
A bridge is a construction structure whose role is to connect one place to another by crossing a natural or artificial obstacle. Bridge conditions can be caused by many factors such as the influence of weather, traffic loads, the environment, material ...
Benny Hidayat, Insannul Kamil
doaj   +1 more source

Assessment of flood damages and benefits of remedial actions: "What are the weak links?"; with application to the Loire [PDF]

open access: yes, 1995
Flood damage models are used to determine the impact of measures to reduce damage due to river flooding. Such models are characterized by uncertainty. This uncertainty may affect the decisions made on the basis of the model outcomes.
Blois, C.J. de, Wind, H.G.
core   +2 more sources

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