Results 31 to 40 of about 796,408 (333)

Monitoring Residual Chlorine Decay and Coliform Contamination in Water Distribution Network of Kampala, Uganda

Journal of Applied Sciences and Environmental Management, 2011
The study was undertaken to examine water quality in the distribution network of Kampala City by assessing five storage reservoirs and four consumer taps.
J Ecura, J Okot-Okumu, TO Okurut
doaj   +1 more source

The Solar Neutrino Problem - An Update [PDF]

, 1998
The $^8$B solar neutrino flux as measured by Super-Kamiokande is consistent with the $^{37}$Ar production rate in $^{37}$Cl at Homestake. GALLEX and SAGE, continue to observe $^{71}$Ge production rates in $^{71}$Ga that are consistent with the minimal ...
Adelberger, Akhmedov, Alexander, Bahcall, Bahcall, Bahcall, Bahcall, Barker, Basu, Basu, Cribier, Cunha, Dar, Dar, Dar, Dar, Dwarakanath, Gies, Greife, Hilgemeier, Kamionkowski, Kaniadakis, Kavanagh, Kavanagh, Krauss, Kräwinkel, Lim, Mikheyev, Motobayashi, Nunes, Okun, Osborne, Osborne, Parker, Parker, Parker, Richard, Robertson, Salpeter, Shaviv, Turck-Chieze, Vaughn, Volk, Wilson, Wolfenstein, Wolfenstein, Xu   +46 more
core   +3 more sources

Application of black-box models based on artificial intelligence for the prediction of chlorine and TTHMs in the trunk network of Bogotá, Colombia

Journal of Hydroinformatics, 2023
The chlorine and total trihalomethane (TTHM) concentrations are sparsely measured in the trunk network of Bogotá, Colombia, which leads to a high uncertainty level at an operational level.
Laura Enriquez, Laura González, Juan G. Saldarriaga   +2 more
doaj   +1 more source

Comparison of chlorine decay models under varying temperature and UV254 for water supply

Results in Engineering
Bulk chlorine decay in water distribution systems is strongly influenced by temperature and organic matter. Higher temperatures accelerate chlorine decay reactions, while organic matter acts as a primary reactive substance.
Pornnapus Kongbuchakiat, Surachai Lipiwattanakarn, Wilai Chiemchaisri, Adichai Pornprommin   +3 more
doaj   +1 more source

Self-adaptive amorphous CoOxCly electrocatalyst for sustainable chlorine evolution in acidic brine

Nature Communications, 2023
Electrochemical chlorine evolution reaction is of central importance in the chlor-alkali industry, but the chlorine evolution anode is largely limited by water oxidation side reaction and corrosion-induced performance decay in strong acids.
Mengjun Xiao, Qianbao Wu, Ruiqi Ku, Liujiang Zhou, Chang Long, Junwu Liang, Andraž Mavrič, Lei Li, Jing Zhu, Matjaz Valant, Jiong Li, Zhenhua Zeng, Chunhua Cui   +12 more
doaj   +1 more source

Manganese-containing mixed oxide electrodes as anode materials for degradation of model organic pollutants [PDF]

, 2017
Mixed oxide thin film electrodes have been prepared by thermal decomposition from alcoholic solution on Pt substrate. In particular, three different anodes have been obtained by co-deposition of Ru (Ruthenium) and Mn (Manganese) oxides, Ru, Mn and Cu ...
Montanaro, Daniele, Orsini, Monica, Petrucci, Elisabetta, Sotgiu, Giovanni   +3 more
core   +1 more source

Modelling free residual chlorine decay in a residential district water distribution network using smart water meter data

International Journal of Environmental Science and Technology
Chlorine is the most common disinfectant in drinking water worldwide, and the free residual chlorine concentration has been stipulated at least 0.1 mg/L according to Japanese drinking water standard to ensure disinfection efficacy during distribution. In
S. Obaid, K. Hosoi, N. M. Ngoc, T. Inoue, K. Yokota   +4 more
semanticscholar   +1 more source

Decay process of free residual chlorine concentration affected by travel time in water distribution systems

Revista Ambiente & Água, 2022
Chlorination is the most widely used method for disinfecting water for human consumption. While the chlorinated water travels through a distribution system, the concentration of free residual chlorine (FRC) declines depending on the natural water ...
Luciano de Oliveira, Diana Rosa dos Reis, Nora Katia Saavedra del Aguila Hoffmann   +2 more
doaj   +1 more source

Optimal Site Location for Booster Stations of Chlorine Injection with non-linear Decay Rate in Water Distribution System [PDF]

آب و فاضلاب, 2015
Conventional methods for solving the problem of site location for booster chlorination stations have assumed the use of linear superposition principle for first-order kinetics of chlorine decay in water distribution systems in order to speed up the ...
Saber Saburian sarroodi, Abdollah Ardeshir, Kourosh Behzadian, fatemeh jalilsani   +3 more
doaj  

New emission line at ~3.5 keV - observational status, connection with radiatively decaying dark matter and directions for future studies [PDF]

, 2014
Recent works of [1402.2301,1402.4119], claiming the detection of extra emission line with energy ~3.5 keV in X-ray spectra of certain clusters of galaxies and nearby Andromeda galaxy, have raised considerable interest in astrophysics and particle physics
Iakubovskyi, Dmytro
core   +3 more sources