Results 51 to 60 of about 1,781,452 (299)
Minimization of Excess Sludge in Activated Sludge Systems [PDF]
آب و فاضلاب, 2006 The disposal of excess sludge from wastewater treatment plant represents a rising challenge in activated sludge processes. Hence, the minimization of excess sludge production was investigated by increasing the dissolved oxygen in aeration basin. Units of
Sayed Ali Reza Momeni +1 more
doaj
Development of a dissolved oxygen improvement system for dam lake
Nihon Kikai Gakkai ronbunshu, 2017 Lower to middle tier regions of dam reservoirs often fall into the anoxic states in summer. When the anoxic state is reached, living things die, heavy metals such as manganese and iron, hydrogen sulfide and methane are eluted from mud deposited on the ...
Hitoshi KAMETANI +8 more
doaj +1 more source
Equilibrium, 2023 Gold is a very important metal in human life. Most gold is processed using the sodium cyanide (NaCN) leaching method. Maximizing the leaching recovery can be done by optimizing the leaching process parameters, one of which varies the concentration of ...
Frideni Yushandiana Putri GF +2 more
doaj +1 more source
An optical sensor for monitoring of dissolved oxygen based on phase detection
, 2013 Dissolved oxygen (DO) monitoring is of vital importance to water treatment, sewage treatment, aquaculture and biological research. The traditional method for DO detection is an electrochemical method called the Clark electrode.
Li, Bowei +3 more
core +1 more source
Advanced Engineering Materials, Volume 27, Issue 6, March 2025.ErB4 and NdB4 nanostructured powders are produced by mechanochemical synthesis. 5 h mechanical alloying and 4 M HCl acid leaching are used in the production. ErB4 and NdB4 powders exhibit maximum magnetization of 0.4726 emu g−1 accompanied with an antiferromagnetic‐to‐paramagnetic phase transition at about TN = 18 K and 0.132 emu g−1 with a maximum at ...
Burçak Boztemur +5 more
wiley +1 more source
Journal of Biological Researches, 2000 The rearing technology of green catfish larvae has not yet established. Hight mortality occurred in the early larval stages. This experiment was conducted to study the effect of temperature and dissolved oxygen on metabolic rate and survival rate of ...
Usman Muhammad Tang +4 more
doaj +1 more source
Dissolved oxygen levels in coastal waters
, 2008 Dissolved oxygen is a requirement ifor maintenance of balanced populations of fish, shellfish, and other aquatic organisms.
core +1 more source
Advanced Engineering Materials, EarlyView.Scandium (Sc)‐doped AlCoCrFeMo HEA coatings are fabricated via flame spraying with 0.1, 0.3, and 0.5 wt% Sc additions. Among these, the HEA‐Sc0.3 coating exhibits the highest corrosion resistance, indicated by a more positive corrosion potential and lower current density.
Pankaj Kumar +7 more
wiley +1 more source
Modeling dissolved oxygen dynamics and hypoxia [PDF]
Biogeosciences, 2010 Hypoxia conditions are increasing throughout the world, influencing biogeochemical cycles of elements and marine life. Hypoxia results from complex interactions between physical and biogeochemical processes, which can not be understood by observations ...
M. A. Peña +3 more
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Jurnal Ilmiah Perikanan dan Kelautan, 2010 Dissolved oxygen is the parameters key of water quality. Low level of dissolved oxygen can affect the function and slow growth, can even cause death to fish in hypoxia condition.
A. Shofy Mubarak +2 more
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