نتایج جستجو برای: cobalt sulfide

تعداد نتایج: 47517  

Journal: :international journal of bio-inorganic hybrid nanomaterials 0

the structural and electrical properties of polyaniline-cobalt sulphate nanocomposite prepared by chemical method.polyaniline-cobalt sulphate nanocomposites were synthesized by the cobalt sulphate and ammonium persulphate and aniline.this paper reports on chemical technique using for synthesis of cobalt nanoparticles in the composite bridge is aniline. electrical conductivity of polyaniline wit...

Journal: :Ore Geology Reviews 2021

Global demand for cobalt is increasing rapidly as we transition to a low-carbon economy. In order ensure secure and sustainable supplies of this critical metal there considerable interest in Europe understanding the availability from indigenous resources. This study reviews information on resources evaluates potential additional discoveries. Based published survey national mineral resource agen...

Journal: :Small 2016
Shengjie Peng Xiaopeng Han Linlin Li Zhiqiang Zhu Fangyi Cheng Madhavi Srinivansan Stefan Adams Seeram Ramakrishna

Exploitation of high-performance anode materials is essential but challenging to the development of sodium-ion batteries (SIBs). Among all proposed anode materials for SIBs, sulfides have been proved promising candidates due to their unique chemical and physical properties. In this work, a facile solvothermal method to in situ decorate cobalt sulfide (CoS) nanoplates on reduced graphene oxide (...

Journal: :Dalton transactions 2016
Shawn C Eady Tanya Breault Levi Thompson Nicolai Lehnert

Penta-coordinate iron carbonyl complexes that are built around the rigid Fe(PNP) motif (PNP = (C6H5)2PN(R)P(C6H5)2) are synthesized and structurally and spectroscopically characterized. These complexes allow for facile customization of the secondary ligand sphere with various types of linkers and functional groups. The new [Fe(S2C6H4)(PNP)(CO)] complexes show dihydrogen production electrocataly...

Journal: :Journal of Catalysis 2021

The current environmental and industrial contexts require constant revision improvement of hydrotreating processes for obtaining cleaner (bio)fuels through the development supported transition metal sulfide (TMS) catalysts. present work proposes a surface-science approach to describe surface-dependent genesis cobalt-promoted active phase (CoMoS) on α-Al2O3 single crystals used as surrogates γ-A...

Journal: :journal of nanostructures 2014
m. rahimi-nasarabadi

electrosynthesis process has been used for preparation of zinc sulfide nanoparticles. zinc sulfide nanoparticles in different size and shapes were electrodeposited by electrolysis of zinc plate as anode in sodium sulfide solution. effects of several reaction variables, such as electrolysis voltage, sulfide ion concentration as reactant, stirring rate of electrolyte solution and temperature on p...

2015
Nicole M. Martin Brian R. Maricle

Toxic effects of sulfide come from a poisoning of a number of enzymes, especially cytochrome c oxidase, which catalyzes the terminal step in mitochondrial aerobic respiration. Despite this, some estuarine plants live in sulfide-rich sediments. We hypothesized estuarine and flooding-tolerant species might be more tolerant of sulfide compared to upland species, and this was tested by measures of ...

Journal: :Water research 2005
Asbjørn Haaning Nielsen Piet Lens Jes Vollertsen Thorkild Hvitved-Jacobsen

Interactions between iron and sulfide in domestic wastewater from a gravity sewer were investigated with particular emphasis on redox cycling of iron and iron sulfide formation. The concentration ranges of iron and total sulfide in the experiments were 0.4-5.4mgFeL(-1) and 0-5.1mgSL(-1), respectively. During anaerobic conditions, iron reduction kinetics were investigated and reduction rates amo...

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