نتایج جستجو برای: nickel vanadium cluster

تعداد نتایج: 242548  

Journal: :Environmental research 1997
J Garty N Kloog Y Cohen R Wolfson A Karnieli

The following study was designed to determine the environmental impact of pollutants emitted by combustion of heavy fuel oil in Ashdod, in Southwestern Israel. For this purpose we measured concentrations of total S, V, and Ni in the local epiphytic fruticose lichen Ramalina duriaei, which grows in the peripheral region of the town, and compared these results with those obtained in thalli collec...

Journal: :Physical chemistry chemical physics : PCCP 2013
Sung Kyu Choi Wonyong Choi Hyunwoong Park

A naturally abundant nickel-borate (Ni-Bi) complex is demonstrated to successfully catalyze the photoelectrochemical (PEC) water oxidation of BiVO4 electrodes at 1.23 VRHE with nearly 100% faradaic efficiency for oxygen evolution. Ni-Bi is electrodeposited (ED) and photodeposited (PD) for varying times on BiVO4 electrodes in the 0.1 M borate electrolyte with 1 mM Ni(2+) at pH 9.2. Surprisingly,...

2016
Chunyuan Sun Wenji Zhao Qianzhong Zhang Xue Yu Xiaoxia Zheng Jiayin Zhao Ming Lv

In order to acquire the pollution feature and regularities of distribution of metals in the topsoil within the sixth ring road in Beijing, a total of 46 soil samples were collected, and the concentrations of twelve elements (Nickel, Ni, Lithium, Li, Vanadium, V, Cobalt, Co, Barium, Ba, Strontium, Sr, Chrome, Cr, Molybdenum, Mo, Copper, Cu, Cadmium, Cd, Zinc, Zn, Lead, Pb) were analyzed. Geostat...

Journal: :Angewandte Chemie 2005
Yasuhiko Yukawa Guillem Aromí Satoshi Igarashi Joan Ribas S A Zvyagin J Krzystek

The preparation of transition-metal clusters with relevance in molecular magnetism has been a very prolific area of coordination chemistry, and has become of primary importance since the discovery of single-molecule magnets (SMMs). 5] As a result, a high level of understanding has been achieved of the nature and mechanism of the magnetic super exchange between 3d metals. Indeed, the vast majori...

Journal: :The Journal of chemical physics 2005
Weijun Zheng John M Nilles Owen C Thomas Kit H Bowen

(Nickel)(n)(benzene)(m) (-) cluster anions were studied by both mass spectrometry and anion photoelectron spectroscopy. Only Ni(n)(Bz)(m) (-) species for which n > or =m were observed in the mass spectra. No single-nickel Ni(1)(Bz)(m) (-) species were seen. Adiabatic electron affinities, vertical detachment energies, and second transition energies were determined for (n,m)=(2,1), (2,2), (3,1), ...

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