Results 321 to 330 of about 247,084 (361)
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Canadian Journal of Physics, 1964
h/Ieasurements on ruthenium of both electrical resistivity (p) and thernlal ' resistivity (PV) extending down to liquid helium temperatures were first reported by White and \Voods (1958). Their two sanlples (Ru2 and Ru3) were both arc-melted but exhibited quite different resistivities.
R. J. Tainsh, G. K. White
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h/Ieasurements on ruthenium of both electrical resistivity (p) and thernlal ' resistivity (PV) extending down to liquid helium temperatures were first reported by White and \Voods (1958). Their two sanlples (Ru2 and Ru3) were both arc-melted but exhibited quite different resistivities.
R. J. Tainsh, G. K. White
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Coordination Chemistry Reviews, 1998
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Hui, JWS, Wong, WT
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Hui, JWS, Wong, WT
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IEEE Transactions on Components, Hybrids, and Manufacturing Technology, 1983
Ruthenium (Ru) has been heated in air in the range of 100-400°C in order to investigate its usefulness for electrical contacts. It has been found that for temperatures up to 200°C, Ru oxidizes to produce a film which causes high contact resistance. For temperatures >300°C, Ru forms an oxide film, RuO 2 , which has low contact resistance.
L. Hines, S. Sharma
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Ruthenium (Ru) has been heated in air in the range of 100-400°C in order to investigate its usefulness for electrical contacts. It has been found that for temperatures up to 200°C, Ru oxidizes to produce a film which causes high contact resistance. For temperatures >300°C, Ru forms an oxide film, RuO 2 , which has low contact resistance.
L. Hines, S. Sharma
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2014
Hydrogenation of polar bonds catalyzed by Ruthenium-Pincer complexes.- Ruthenium-catalyzed amide-bond formation.- Hydrogen generation from alcohols and formic acid, with ruthenium catalysts including pincer-type Ru complexes.- Alkene metathesis Ruthenium catalysis for Z- double bond formation.- Catalytic transformation of alkynes via vinylidene ...
Pierre H. Dixneuf, Christian Bruneau
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Hydrogenation of polar bonds catalyzed by Ruthenium-Pincer complexes.- Ruthenium-catalyzed amide-bond formation.- Hydrogen generation from alcohols and formic acid, with ruthenium catalysts including pincer-type Ru complexes.- Alkene metathesis Ruthenium catalysis for Z- double bond formation.- Catalytic transformation of alkynes via vinylidene ...
Pierre H. Dixneuf, Christian Bruneau
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Coordination Chemistry Reviews, 1997
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Wong, WT, Lee, SM
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Wong, WT, Lee, SM
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ChemInform Abstract: Iron, Ruthenium and Osmium
ChemInform, 2007AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
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1997
Ruthenium and osmium are the first pair of ‘platinum metals’ [1–13]. They exhibit oxidation states up to +8, the highest observed for any element, as in MO4 (M = Ru, Os) though this requires the use of the most electronegative elements, fluorine and oxygen, for stability. Generally, the +2 and +3 states are the most important, along with +4 for osmium;
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Ruthenium and osmium are the first pair of ‘platinum metals’ [1–13]. They exhibit oxidation states up to +8, the highest observed for any element, as in MO4 (M = Ru, Os) though this requires the use of the most electronegative elements, fluorine and oxygen, for stability. Generally, the +2 and +3 states are the most important, along with +4 for osmium;
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ChemInform, 2006
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
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AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
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1991
The resonance Raman (RR) and MCD spectra of a classical, strongly coupled intervalence (IV) system, tris(μ-halo)bis(triammineruthenium)(2+), have been re-examined. Raman spectra obtained in resonance with the strong absorption in the red, provide polarization ratios of 0.33±0.03.
Wendy A. Horsfield +4 more
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The resonance Raman (RR) and MCD spectra of a classical, strongly coupled intervalence (IV) system, tris(μ-halo)bis(triammineruthenium)(2+), have been re-examined. Raman spectra obtained in resonance with the strong absorption in the red, provide polarization ratios of 0.33±0.03.
Wendy A. Horsfield +4 more
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1991
It was suggested that the solid solubility of rhodium in ruthenium is >20 wt% (19.7 at%) and that of ruthenium in rhodium is >20 wt% (20.3 at%) [2]. A comprehensive investigation of the whole composition range between 900 and 2300 iaC was carried out, using metallography, X-ray diffraction, differential thermal analysis, electron microprobe and ...
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It was suggested that the solid solubility of rhodium in ruthenium is >20 wt% (19.7 at%) and that of ruthenium in rhodium is >20 wt% (20.3 at%) [2]. A comprehensive investigation of the whole composition range between 900 and 2300 iaC was carried out, using metallography, X-ray diffraction, differential thermal analysis, electron microprobe and ...
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