Results 21 to 30 of about 191,427 (313)

A Surface Conversion Treatment on a Borided and Cemented Seel Coated with Chromium Filme

Iranian Journal of Materials Science and Engineering, 2021
Coatings based on chromium borides and chromium carbides are commonly employed in applications requiring mechanical performance, such as high hardness and low friction coefficient, as well as corrosion resistance. In this work, we made layers of chromium
Rabah Bobaaya, Omar Allaoui, Mokhtar Djendel, Samir Benaniba   +3 more
doaj  

Type 2 diabetic rats on diet supplemented with chromium malate show improved glycometabolism, glycometabolism-related enzyme levels and lipid metabolism.

PLoS ONE, 2015
Our previous study showed that chromium malate improved the regulation of blood glucose in mice with alloxan-induced diabetes. The present study was designed to evaluate the effect of chromium malate on glycometabolism, glycometabolism-related enzymes ...
Weiwei Feng, Ting Zhao, Guanghua Mao, Wei Wang, Yun Feng, Fang Li, Daheng Zheng, Huiyu Wu, Dun Jin, Liuqing Yang, Xiangyang Wu   +10 more
doaj   +1 more source

Sustainable Chromium Removal Using Electrocoagulation: Life Cycle Assessment of Different Electrode Materials [PDF]

آب و فاضلاب
Chromium is a significant and hazardous pollutant found in wastewater generated from industries such as electroplating, dye production, and leather manufacturing.
Amirhossein Rajabipour, Mohsen Khezerloo Aghdam, Nastaran Eskandari, Taghi Ebadi   +3 more
doaj   +1 more source

Chromium-Mediated Asymmetric Synthesis of Both Enantiomers of Acetoxytubipofuran

, 2016
Both enantiomers of acetoxytubipofuran were synthesized using enantioselective and diastereoselective dearomatization sequences starting from the benzaldehyde chromium tricarbonyl complex.
Sylvie Tchertchian (2698981), Rita Cannas (472945), E. Peter Kündig (2719588), Mundruppady Laxmisha (2991684), Liu Ronggang (2991687)   +4 more
core   +4 more sources

Synthesis and characterisation of chromium (III) complexes with polypyridyl ligands [PDF]

, 2014
Slowing down climate change is probably the biggest current global challenge for mankind. The two main strategies to achieve this are the development of new sustainable energy sources and new or improved technologies that are less energy consuming ...
Schönle, Jonas Michael
core   +1 more source

Chromium Exposure and Hygienic Behaviors in Printing Workers in Southern Thailand

Journal of Toxicology, 2015
Objectives. The main objective of this study was to assess the chromium exposure levels in printing workers. The study evaluated the airborne, serum, and urinary chromium levels and determines any correlation between level of chromium in specimen and ...
Somsiri Decharat
doaj   +1 more source

Antagonistic effects of Andrographis paniculata methalonic extract on chromium-induced membrane damage in male Albino rats [PDF]

Journal of Stress Physiology & Biochemistry, 2022
The occurrence of heavy metals in the environment and their enormous industrial use has led to an increase in the frequency of the human organ toxicity.
S. K. Dey
doaj  

Concentrator cell methodology in the regeneration and recycle of chromium etching solutions using membrane technology

, 2006
The regeneration of chromium (VI) and the recovery of etched copper from chromium etching solutions by electrodialysis is improved by the addition of a concentrator cell, using ion exchange resins or activated carbon cloth as concentrator media, in the ...
Ganguli, B, Grimes, SM, Chaudhary, AJ
core   +1 more source

Di- and Tri-nuclear VIII and CrIII Complexes of Dipyridyltriazoles: Ligand Rearrangements, Mixed Valency and Ferromagnetic Coupling

Frontiers in Chemistry, 2020
The first dinuclear and trinuclear chromium(III) and dinuclear vanadium(III) complexes of N4-R-substituted-3,5-di(2-pyridyl)-1,2,4-triazole (Rdpt) ligands have been prepared by solvothermal complexations under inert atmospheres, and characterized.
Julia Rinck, Julia Rinck, Jonathan A. Kitchen, Jonathan A. Kitchen, Anthony B. Carter, Yanhua Lan, Christopher E. Anson, Karin Fink, Sally Brooker, Annie K. Powell, Annie K. Powell   +10 more
doaj   +1 more source

Reactivity difference between protolytic forms of some macrocyclic chromium(III) complexes in ligand substitution and electron transfer processes

, 2010
The review provides insight into the mechanism of ligand substitution and electron transfer (from chromium( III) to iron(III)) by comparison of the reactivity of some tetraazamacrocyclic chromium(III) complexes in the conjugate acid-base forms.
Impert, O., Topolskia, Adrian, Katafias, A., Mills, Andrew, Impert, Olga, Chatłas, Janusz, Madej, E., Chatlas, J., Eriksen, Jette, Monsted, O., Wrzeszcz, G., Kita, Przemysław, Madej, Edyta, Eriksen, J., Wrzeszcz, Grzegorz, Kita, P., Mønsted, Ole Vrå, Katafias, Anna, Mills, A., Topolski, A.   +19 more
core   +1 more source