نتایج جستجو برای: pollution mapping

تعداد نتایج: 267410  

Background and Aim: Brain mapping is a study of the anatomy and function of the CNS (central nervous system). Brain mapping has many techniques and these techniques are permanently changing and updating. From the beginning, brain mapping was invasive and for brain mapping, electrical stimulation of the exposed brain was needed. However, nowadays brain mapping does not require electrical stimula...

Journal: :international journal of nonlinear analysis and applications 2016
kamal fallahi aris aghanians

in this work‎, ‎we formulate chatterjea contractions using graphs in metric spaces endowed with a graph ‎‎and‏ ‎‎‎‎investigate ‎the ‎existence‎ ‎of ‎fixed ‎points ‎for such mappings ‎under two different hypotheses‎. we also discuss the uniqueness of the fixed point. the given result is a generalization of chatterjea's fixed point theorem from metric spaces to metric spaces endowed with a graph.

Journal: :international journal of nonlinear analysis and applications 0
kamal fallahi department of mathematics, payame noor university, p.o. box 19395-3697, tehran, iran aris aghanians department of mathematics, payame noor university, p.o. box 19395-3697, tehran, iran

in this work‎, ‎we formulate chatterjea contractions using graphs in metric spaces endowed with a graph ‎‎and‏ ‎‎‎‎investigate ‎the ‎existence‎ ‎of ‎fixed ‎points ‎for such mappings ‎under two different hypotheses‎. we also discuss the uniqueness of the fixed point. the given result is a generalization of chatterjea's fixed point theorem from metric spaces to metric spaces endowed with a g...

2014
Yaneth Bustos Mabel Vaca Raymundo López Erick Bandala Luis Torres Neftalí Rojas-Valencia

UV radiation and ozonation were investigated as disinfection alternatives for the wastewater treatment plant. The inactivation of total and fecal coliforms using ozone and ultraviolet radiation as separate treatments was evaluated. Different ozone concentrations (3 to 40 mg O3/L) were applied and UV fluencies ranging from 8.5 to 12 mJ/cm at different pH values (from 5 to 9) were tested. Best re...

2013
M. Muthangya

Submitted: May 21, 2013; Accepted: Jul 3, 2013; Published: Jul 20, 2013 Abstract: Mushrooms are a primary part of managing solid waste, building organic soil and returning minerals to the soil. Sisal processing in Kenya generates an estimated 611,875 tonnes of solid waste annually, which is discarded leading to environmental pollution. Sisal waste contains; lignin, cellulose and hemicelluloses ...

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