نتایج جستجو برای: potassium hydroxide koh

تعداد نتایج: 92112  

2009
A. Hinton K. Liljebjelke

Effects of spray washing carcasses with Lauric Acid (LA)-Potassium Hydroxide (KOH) on bacteria recovered from Whole-Carcass Rinsates (WCR) were examined. Carcass skin was inoculated with antibiotic resistant strains of Escherichia coli, Salmonella Typhimirum and Campylobacter coli. The first trial examined effects of washing carcasses with water, 0.25% LA-0.125% KOH, 0.50% LA-0.25% KOH, 1.00% L...

Journal: :Solid State Phenomena 2023

To prevent arrays of basal plane dislocations (BPD) forming during grown 4H-SiC single crystals, the growth cell in physical vapor transport (PVT) was modified by adapting temperature gradients, seed attachment method and seeding phase. The resulting reduction stress modeled numerically crystals were investigated X-ray topography (XRT) molten potassium hydroxide (KOH) etching. Due to these modi...

Journal: :Journal of physics 2021

Abstract Chemical activation with assisted microwave irradiation was used to produced activated carbon from orange peel waste. The activating agent potassium hydroxide (KOH) concentrations of 2 M, 3 and 4 M. done for 15 minutes a 630 Watt output power. KOH concentration affected the physical properties OP-ACxM. With increasing concentration, interlayer spacing ( d 002 100 ) grew, stack height L...

Journal: :global journal of environmental science and management 0
n.t. abdel-ghani chemistry department, faculty of science, cairo university, cairo, egypt g.a. el-chaghaby regional center for food and feed, agricultural research center, giza, egypt f.s. helal science and technology centerof excellence, ministry of military production, cairo, egypt

in the present study, different activated carbons were prepared from carbonized african beech wood sawdust by potassium hydroxide activation. the activated carbons were characterized by brunauer–emmett–teller, scanning electron microscope, fourier transform infrared spectroscopy, and thermogravimetric analyzer. the phenol adsorption capacity of the prepared carbons was evaluated. the different ...

Journal: :Indian journal of dermatology, venereology and leprology 2008
M Manjunath Shenoy S Teerthanath Vimal K Karnaker B S Girisha M S Krishna Prasad Jerome Pinto

BACKGROUND Onychomycosis is a common problem noticed in clinical practice. Currently available standard laboratory methods show inconsistent sensitivity; hence there is a need for newer methods of detection. AIMS This study involves comparison of standard laboratory tests in the diagnosis of onychomycosis, namely, potassium hydroxide mount (KOH mount) and mycological culture, with histopathol...

Journal: :Microelectronics Journal 2005
N. Wilke A. Mulcahy S.-R. Ye A. Morrissey

In this research, we have optimized a fabrication technique for manufacturing microneedle arrays in standard silicon wafer ((100) orientation) using potassium hydroxide (KOH) wet etching. The etch behaviour of silicon was simulated for different mask shapes and sizes using SIMODE software. In the context of the fabrication process, we demonstrate the influence of the mask design and the process...

2015
Bogdan K Ostafiychuk Ivan M Budzulyak Bogdan I Rachiy Vitalii M Vashchynsky Volodymyr I Mandzyuk Roman P Lisovsky Lyudmyla O Shyyko

The results of electrochemical studies of nanoporous carbon as electrode material for electrochemical capacitors (EC) are presented in this work. Nanoporous carbon material (NCM) was obtained from the raw materials of plant origin by carbonization and subsequent activation in potassium hydroxide. It is established that there is an optimal ratio of 1:1 between content of KOH and carbon material ...

Journal: :Biodiversitas 2022

Abstract. Madung Z, Soloi S, Majid MHA, Sarjadi MS. 2022. Production and characterization of Imperata cylindrica paper using potassium hydroxide as pulping agent. Biodiversitas 23: 1490-1494. Non-woody plants have become an alternative fiber in production woods, the primary sources papers limited due to increasing demand year by year. or cogon grass source for pulp industry replacing wood becau...

Journal: :Caliphate Journal of Science and Technology 2022

The prime objective of the present paper is to develop polymer electrolyte doped with salt. A solution cast technique was adopted a solid (Poly (methyl methacrylate) (PMMA) as host and salt potassium hydroxide, KOH dopant. Incorporation increases amophosity homogeneity, decreases surface roughness. Moreover, doping (KOH) overall conductivity film. Electrochemical impedance spectroscopy (EIS) re...

Journal: : 2022

This study contains a lab-scale investigation into the feasibility of applying an adsorption technique to treat wastewater polluted with lead metal simulated that exhaust from battery manufactory. Rice husks have been prepared for use in three forms; natural rice without any activation, activated carbon pretreated Sulfuric acid H2SO4, and other Potassium hydroxide KOH. Activated using KOH provi...

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