نتایج جستجو برای: spiral wound membrane

تعداد نتایج: 486863  

Objective— Use of equine autologous keratinocyte on collagen membrane grafts (KCMG) for treatment of wounds in the distal aspect of the horse limb. Design— Experimental study Animals— Four horses. Procedure—Keratinocytes have been separated by enzyme digestion from lib skin sample and proliferated in vitro. Full thickness excision wounds (6.25 cm2) were created on the mid-lateral of both met...

2015
Kai Wang Liwei Li Huaixian Yin Tiezhu Zhang Wubo Wan Xiaosong Hu

A three-dimensional modelling approach is used to study the effects of operating and ambient conditions on the thermal behaviour of the spiral wound supercapacitor. The transient temperature distribution during cycling is obtained by using the finite element method with an implicit predictor-multicorrector algorithm. At the constant current of 2A, the results show that the maximum temperature a...

2006
Molly S. Peeples Paul Martini

We present a comparison of barstrength Qb and circumnuclear dust morphology for 75 galaxies in order to investigate how bars affect the centers of galaxies. We trace the circumnuclear dust morphology and amount of dust structure with structure maps generated from visible-wavelength HST data, finding that tightly wound nuclear dust spirals are primarily found in weakly barred galaxies. While str...

Journal: :Monthly Notices of the Royal Astronomical Society 2004

1998
Leland M. Vane Franklin R. Alvarez Eugene L. Giroux

A vibrating membrane module currently marketed for ®ltration applications was evaluated for the separation of volatile organic compounds (VOCs) from aqueous solutions by pervaporation. Preliminary screening experiments with three VOCs, three silicone membranes, and in the presence and absence of a surfactant were performed to determine if further consideration of the vibrating module for a ®eld...

2014
Manouchehr Jamshidi

In this report, experimental investigation of waste water treatment by reverse osmosis to enable its reuse in cooling tower is presented. A polyamide spiral wound RO membrane followed by three filters as RO pretreatment (two activated carbon and one cartridge filter) and samples of Tehran refinery treated waste water have been used. The effect of operating conditions such as pressure difference...

Journal: :Sustainability 2022

In this study, a wastewater treatment plant (WWTP) in Vietnam receiving high-strength with COD of about 30,000 mg/L and various heavy metals from industries was treated by different RO membrane modules order to meet the stringent national discharge standard recover for reuse. The Fenton coagulation pre-treatments were employed based on optimal conditions, which experimentally pre-determined. Fo...

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