Results 21 to 30 of about 303,406 (278)

Facile synthesis of three dimensional porous hydroxyapatite using carboxymethylcellulose as a template

open access: yesResults in Physics, 2017
A novel simple and convenient process for the synthesis of three dimensional porous hydroxyapatite (HAP) using natural apatite and carboxymethylcellulose (CMC) was introduced.
Gongming Qian   +3 more
doaj   +1 more source

Bio-sorption for tannery effluent treatment using eggshell wastes; kinetics, isotherm and thermodynamic study

open access: yesEgyptian Journal of Petroleum, 2020
Since, cobalt, zinc, mercury and lead ions are high toxic heavy metals; this work aims to investigate the efficiency of eggshell as a low cost sorbent for their ions from aqueous solution.
El-Sayed R.E. Hassan   +3 more
doaj   +1 more source

Improved stability and promoted activity of laccase by One-Pot encapsulation with Cu (PABA) nanoarchitectonics and its application for removal of Azo dyes

open access: yesEcotoxicology and Environmental Safety, 2022
Immobilization of laccase helps protect the laccase and realizes repeated use. However, excessive encapsulation protection will also limit the release of laccase activity.
Shan Jiang   +5 more
doaj   +1 more source

agglomeration [PDF]

open access: yes, 2014
Citation: 'agglomeration' in the IUPAC Compendium of Chemical Terminology, 3rd ed.; International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351/goldbook.AT07607 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms.
openaire   +2 more sources

Enhanced As(III) sequestration using nanoscale zero-valent iron modified by combination of loading and sulfidation: characterizations, performance, kinetics and mechanism

open access: yesWater Science and Technology, 2021
Nanoscale zero-valent iron (nZVI) and sulfides have been confirmed to be effective in arsenic sequestration from aqueous solution. In this study, attapulgite supported and sulfide-modified nanoscale zero-valent iron (S-nZVI@ATP) are synthesized to ...
Shun Cheng   +4 more
doaj   +1 more source

Disentangling agglomeration and network externalities : a conceptual typology [PDF]

open access: yes, 2016
Agglomeration and network externalities are fuzzy concepts. When different meanings are (un)intentionally juxtaposed in analyses of the agglomeration/network externalities-menagerie, researchers may reach inaccurate conclusions about how they interlock ...
Derudder, Ben   +2 more
core   +2 more sources

Enhancing the Reduction of High-Aluminum Iron Ore by Synergistic Reducing with High-Manganese Iron Ore

open access: yesMetals, 2018
How to utilize low grade complex iron resources is an issue that has attracted much attention due to the continuous and huge consumption of iron ores in China. High-aluminum iron ore is a refractory resource and is difficult to upgrade by separating iron
Xianlin Zhou   +3 more
doaj   +1 more source

Amenity complexity and urban locations of socio-economic mixing

open access: yesEPJ Data Science, 2023
Cities host diverse people and their mixing is the engine of prosperity. In turn, segregation and inequalities are common features of most cities and locations that enable the meeting of people with different socio-economic status are key for urban ...
Sándor Juhász   +6 more
doaj   +1 more source

Development of urbanized areas in Ukraine and the world for the period 1950–2035

open access: yesЕкономіка, управління та адміністрування, 2023
In all countries of the world, regardless of their level of development, urbanization processes are inevitable. The challenges of urbanization cause the determination of the tasks before the public administration system to ensure effective management and
L.V. , D.M. , I.V.
doaj   +1 more source

WHY DOES FDI GO WHERE IT GOES? NEW EVIDENCE FROM THE TRANSITION ECONOMIES [PDF]

open access: yes, 2003
This paper examines the importance of agglomeration economies and institutions vis-à-vis initial conditions and factor endowments in explaining the locational choice of foreign investors.
Campos, Nauro F., Kinoshita, Yuko
core   +3 more sources

Home - About - Disclaimer - Privacy