Results 21 to 30 of about 164,350 (126)

Characterization and optimization of electrodialysis with bipolar membranes with improved alkaline stability for phenol recovery from petroleum wastewater

open access: yesChemical Engineering Journal Advances
The purity and recovery of phenol from an aqueous solution by electrodialysis with a bipolar membrane (EDBM) system mainly depend on the solution pH, possibly effective only under alkaline conditions because phenol is a very weak acid with a pKa of 10 ...
Ahmad Beiranvand   +4 more
doaj   +1 more source

Synthesis and Characterization of Natural Sensitizers for Dye Sensitized Solar Cells

open access: yes, 2017
Natural dyes of anthocyanin extract from flame tree flower (Delonix regia) and chlorophyll extract from pawpaw leaf (Carica papaya) were used as sensitizer to fabricate dye sensitized solar cell (DSSC).
Agam, Mohd Arif Bin   +4 more
core   +1 more source

Projections and Epidemiology of Primary Hip and Knee Arthroplasty in Medicare Patients to 2040-2060

open access: yesJB & JS open access, 2023
Background: National projections of future joint arthroplasties are useful for understanding the changing burden of surgery and related outcomes on the health system. The aim of this study is to update the literature by producing Medicare projections for
I. Shichman   +6 more
semanticscholar   +1 more source

Superior semicircular canal dehiscence postoperative outcomes: A case series of 156 repairs.

open access: yesJournal of clinical neuroscience, 2019
Previous studies have looked at differences in predisposing factors, symptomology, treatment options, and outcomes in patients with SSCD experiencing audiologic and vestibular symptoms, however this study utilizes data from the largest series of SSCD ...
Prasanth Romiyo   +11 more
semanticscholar   +1 more source

Mechanisms for selective flotation separation of chalcopyrite and molybdenite using the novel depressant 2-(carbamimidoylthio)acetic acid: Experimental and DFT study

open access: yesChemical Engineering Journal Advances
Copper and molybdenum, crucial strategic metals with frequent natural co-occurrence, require highly selective depressants for their flotation separation.
Xiangwen Lv   +4 more
doaj   +1 more source

Complete Genome Sequence of Multidrug-Resistant Edwardsiella ictaluri Strain MS-17-156

open access: yesGenome Announcements, 2018
Edwardsiella ictaluri is a significant pathogen of cultured fish, particularly channel catfish. Here, we present the complete genome sequence of a multidrug-resistant E. ictaluri strain, MS-17-156, isolated from diseased channel catfish.
H. Abdelhamed   +6 more
semanticscholar   +1 more source

Development of Mo-98 Regeneration Technology From Used 99Mo/99mTc Gel Generator

open access: yesInternational Journal of Chemical Engineering
This paper presents the development of a method for the regeneration of molybdenum-98 from spent 99Mo/99mTc generators for its reuse in the technological cycle.
Andrey Gurin   +6 more
doaj   +1 more source

A Comparative Study of Applying Active-Set and Interior Point Methods in MPC for Controlling Nonlinear pH Process

open access: yesJurnal Rekayasa Kimia & Lingkungan, 2014
A comparative study of Model Predictive Control (MPC) using active-set method and interior point methods is proposed as a control technique for highly non-linear pH process. The process is a strong acid-strong base system.
Syam Syafiie, Chia Yaw Kwan
doaj   +1 more source

Building a smart city with trust: the case of ‘156 central’ of Curitiba-Brazil

open access: yesEconomía, Sociedad y Territorio, 2019
Curitiba is an example of government/citizen interactions, the "156 Central", a call center created in the 1980s to establish a direct means of communication between citizens and city hall. The main goal of this article is to analyze the process of state/
Alexandre Hojda   +2 more
semanticscholar   +1 more source

Kinetics and Isotherm Analysis of Cr (VI) Adsorption by Iron-Based Nanoparticles Using Aqueous Saffron Tepal Extract

open access: yesInternational Journal of Chemical Engineering
In this study, the iron nanoparticles (Fe NPs) extract were synthesized by saffron tepal. Fe NPs were utilized for chromium (Cr) (VI) removal from the aqueous solution.
null Samieh Oliaei   +1 more
doaj   +1 more source

Home - About - Disclaimer - Privacy