Results 21 to 30 of about 32,897 (295)

Optimization of phosphate oxygen isotope pretreatment measurement method based on phosphate in situ enrichment blanket

open access: yesWater Science and Technology, 2023
Phosphate oxygen isotope analysis is an effective tool for investigating phosphorus migration and transformation in water bodies. Unfortunately, current pretreatment methods for this technology are significantly limited due to their demanding sample ...
Sumei Li   +5 more
doaj   +1 more source

COF-supported zirconium oxyhydroxide as a versatile heterogeneous catalyst for Knoevenagel condensation and nerve agent hydrolysis

open access: yesiScience, 2023
Summary: A composite of catalytic Lewis acidic zirconium oxyhydroxides (8 wt %) and a covalent organic framework (COF) was synthesized. X-ray diffraction and infrared (IR) spectroscopy reveal that COF’s structure is preserved after loading with zirconium
Pragalbh Shekhar   +12 more
doaj   +1 more source

Investigation of structural, thermal, and electrical characteristics of zirconium-doped lithium-phosphate glasses

open access: yesHeliyon, 2023
Zirconium-lithium-phosphate glasses were elaborated through the melting-quenching technique. The primary objective of this research is to investigate how the replacement of lithium oxide with zirconium oxide impacts the physical, thermal, mechanical, and
L. Ouachouo   +4 more
doaj   +1 more source

Enhancing the Power Generation and COD Removal of Microbial Fuel Cell with ZrP-modified Proton Exchange Membrane

open access: yesInternational Journal of Electrochemical Science, 2018
An experimental system consisting of a dual chamber microbial fuel cell was constructed using simulated molasses wastewater as the anode substrate, carbon felt as the electrodes, Nafion membrane or modified Nafion membrane as proton exchange membrane ...
Liping Fan, Lulu Zhang
doaj   +1 more source

Encapsulation of Dirhenium(III) Carboxylates into Zirconium Phosphate

open access: yesActa Chimica Slovenica, 2020
Present work reports the synthesis of zirconium phosphate nanoparticles containing dirhenium(III) substance bis-dimethylsulfoxide-cis-tetrachlorodi-μ-pivalatodirhenium(III) with formula cis-Re2(C(CH3)3COO)2Cl4∙2DMSO (I) and q-zirconium phosphate with ...
Anastasiia Slіpkan   +3 more
doaj   +1 more source

Nanocomposites and methods for synthesis and use thereof [PDF]

open access: yes, 2009
Nanocomposite compositions and methods of synthesis of the compositions are described. In particular, liquid crystal-functionalized nanoparticles, liquid crystal-templated nanoparticles, nanocomposite compositions including the nanoparticles, and ...
Furman, Benjamin R.   +3 more
core   +1 more source

Structural morphology and electronic conductivity of blended Nafion®-polyacrylonitrile/zirconium phosphate nanofibres

open access: yesInternational Journal of Mechanical and Materials Engineering, 2019
This paper aimed to study the influence of zirconium phosphate (ZrP) nanoparticles on reducing the diameter of nanofibres during electrospinning.
R. Sigwadi   +3 more
doaj   +1 more source

Explorable and economically attractive mineral deposits in the Siberian and Far Eastern Federal Districts of Russia [PDF]

open access: yes, 2018
Purpose. Selection of the most explorable mineral deposits in the Siberian and Far Eastern Federal Districts of the Russian Federation as investment projects. Methods.
Boyarko, G
core   +1 more source

Ceramic dies selection for electrical resistance sintering of metallic materials [PDF]

open access: yes, 2019
Processing metallic powders by electrical resistance sintering requires the use of insulating ceramics dies. Selecting the appropriate ceramic material according to the electrical, thermal and mechanical properties is a need.
Andreouli, D.   +6 more
core   +2 more sources

Modified Porous Silicon with Zirconium Nanoparticles as a Selective Adsorbent for Phosphate Removal from Aqueous Systems [PDF]

open access: yesIranica Journal of Energy and Environment, 2018
The development of an efficient adsorbent for phosphate removal from wastewater to prevent the eutrophication of surface waters is very important. In this study, porous silicon powder prepared with acidic etching solution (HF: HNO3: H2O). Then, Zirconium-
M. Anbia, Z. Khodashenas, L. Kamel
doaj   +1 more source

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