Results 21 to 30 of about 196,438 (166)

The assessment of drainage performance in the residential area using SWMM

open access: yesJurnal Ilmiah SINERGI, 2023
Flood is a general issue that can lead to the life and safety of residents. One of the problems is the lack of capacity in the drainage system in a residential area.
Yuliastuti Juliastuti   +5 more
doaj   +1 more source

Testing of technique for seawater filtration at fish farms

open access: yesИзвестия ТИНРО, 2014
Seawater filtration is tested on the experimental stand with 10 types of single- and double-layer filters for water samples collected in 3 sites with different environments in the Severnaya Bay (Peter the Great Bay, Japan Sea).
Alexandra I. Fedorovа   +1 more
doaj   +1 more source

Modeling discharge capacity of labyrinth weirs through a learning machine approach [PDF]

open access: yesJournal of Applied Research in Water and Wastewater, 2019
In this paper, the discharge coefficient of weirs is simulated by the extreme learning machine (ELM). To this end, seven different ELM models are introduced by the input parameters.
Mohammadali Izadbakhsh, Reza Hajiabadi
doaj   +1 more source

A Bilevel Equalizer to Boost the Capacity of Second Life Li Ion Batteries

open access: yesBatteries, 2019
There is a strong interest in second life applications for the growing number of used electric vehicle (EV) batteries, but capacity variations amongst these used cells present a problem.
Ngalula Sandrine Mubenga   +2 more
doaj   +1 more source

Electrochemical Properties of Nb-Substituted Zr-Ti-Ni Hydrogen Storage Alloy Negative Electrodes for Nickel-Metal Hydride Batteries

open access: yesMetals, 2018
Crystal structure, pressure-composition isotherms and electrochemical properties of the Zr0.6−xTi0.4NbxNi (x = 0.01, 0.02, and 0.05) alloys were investigated. Their X-ray diffraction profiles demonstrated that all the Zr0.6−xTi0.4NbxNi alloys
Akihiro Matsuyama   +3 more
doaj   +1 more source

Standing waves of the stepped dropshaft in a deep tunnel stormwater system

open access: yesWater Science and Technology, 2023
The deep tunnel stormwater system, consisting of dropshafts and underground tunnels, is used to alleviate or prevent urban water problems associated with extreme rainfall events. The stepped dropshaft can transport surface runoff to the tunnels with high
Jingkang Sun   +4 more
doaj   +1 more source

The Past and Present of Discharge Capacity Modeling for Spillways—A Swedish Perspective

open access: yesFluids, 2019
Most of the hydropower dams in Sweden were built before 1980. The present dam-safety guidelines have resulted in higher design floods than their spillway discharge capacity and the need for structural upgrades.
James Yang   +3 more
doaj   +1 more source

Investigating the Electrochemical Characteristics of Lithium Vanadium Phosphate Cathode Synthesized by the Solution Combustion Method Utilizing Cetyltrimethylammonium Bromide as a Fuel for Lithium-Ion Batteries Applications [PDF]

open access: yesJournal of Advanced Materials in Engineering
Introduction and Objectives: Optimization of vanadium phosphate compounds through the control of synthesis methods plays a key role in enhancing their performance. In this research, the effect of adding cetyltrimethylammonium bromide with different molar
Mohammad Tahernejad Javazm   +2 more
doaj   +1 more source

Ionic and Electronic Conductivities of Lithium Argyrodite Li6PS5Cl Electrolytes Prepared via Wet Milling and Post-Annealing

open access: yesFrontiers in Chemistry, 2021
Lithium argyrodite Li6PS5Cl powders are synthesized from Li2S, P2S5, and LiCl via wet milling and post-annealing at 500°C for 4 h. Organic solvents such as hexane, heptane, toluene, and xylene are used during the wet milling process. The phase evolution,
Jae Min Lee   +3 more
doaj   +1 more source

Research on Calculation Method for Discharge Capacity of Draining Well in Tailing Ponds Based on “Simplification-Fitting” Method

open access: yesEnergies, 2022
The existing empirical formulas concerning draining systems are complex in their expression: there are difficulties in locating the intersection point among different flow patterns and parameters vary depending on the water level, resulting in a large ...
Sha Wang   +4 more
doaj   +1 more source

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