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NSF invests $40 million in research infrastructure for earthquake,wind and water hazards（图）
NSF $40 million earthquake wind water hazards
2015/9/25
Recognizing the national need for resilience against multiple natural hazards, the National Science Foundation (NSF) has initiated a new chapter in hazards research with a $40-million investment in Na...
Characterization of an Effervescent Atomization Water Mist Nozzle and Its Fire Suppression Tests
Effervescent atomization Two-phase flow Water mist Fire suppression
2015/8/10
A gas-outside-liquid-inside water mist nozzle based on effervescent atomization technology is designed, characterized and tested in this paper. The droplets size distribution and velocity under differ...
Risk-based prioritization and its application to inspection of valves in the water sector
Valves Water pipeline Risk-based inspection Analytical hierarchy process
2012/4/22
Isolation valves facilitate the effective operation and maintenance of water supply networks, but their sheer number presents a significant asset management challenge. If left unmanaged, valve reliabi...
Sensitivity analysis using contribution to sample variance plot: Application to a water hammer model
Sensitivity analysis Contribution to sample variance plot Variance reduction Water hammer RELAP model Ishigami function
2012/4/22
ontribution to sample variance plot? a natural extension of the ontribution to the sample mean plot? which is a graphical tool for global sensitivity analysis originally proposed by Sinclair. These gr...
Effects of Water Intake on Human Responses in a Hot Working Environment
Water Intake Human Responses Hot Working Environment
2013/9/30
In order to investigate the effectiveness of water intake and the difference of the amount of water required during working in the hot climate, we conducted subjective experiments. Eight healthy young...
Research and practice on fluctuation water injection technology at low permeability coal seam
Low permeability coal seam Fluctuation water injection Permeable agent Dust fall Rock burst Cooling
2012/3/31
In order to solve the problem of poor affusion effect on low permeability coal seam, the paper analyzes the micro process of the coal seam water infusion in wetting coal and determines the main factor...
Characterization of an effervescent atomization water mist nozzle and its fire suppression tests
Effervescent atomization Two-phase flow Water mist Fire suppression
2015/8/10
A gas-outside-liquid-inside water mist nozzle based on effervescent atomization technology is designed,characterized and tested in this paper. The droplets size distribution, velocity under different ...
food and drug administration Warns Again About Arsenic in Mineral Water
Mineral Water Arsenic
2007/3/30
March 24, 2007，The Food and Drug Administration (FDA) is re-issuing its warning to consumers not to drink "Jermuk" brand mineral water due to the risk of exposure to arsenic, a toxic substance and a k...