搜索结果: 1-15 共查到“理学 Platinum”相关记录28条 . 查询时间(0.053 秒)
Platinum-Group Elements Geochemistry and Chromian Spinel Composition in Podiform Chromitites and Associated Peridotites from the Cheshmeh-Bid Deposit, Neyriz, Southern Iran: Implications for Geotectonic Setting
Cheshmeh-Bid Chromitite trace elements platinum-group elements boninitic magma supra-subduction zone
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2018/4/10
Dunite and serpentinized harzburgite in the Cheshmeh-Bid area, northwest of the Neyriz ophiolite in Iran, host podiform chromitite that occur as schlieren-type, tabular and aligned massive lenses of v...
The platinum nuclei: concealed configuration mixing and shape coexistence
Pt isotopes shape coexistence intruder states
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2011/7/20
The role of configuration mixing in the Pt region is investigated. For this chain of isotopes, the nature of the ground state changes smoothly, being spherical around mass $A\sim 174$ and $A\sim 192$ ...
Synthesis, characterization, antibacterial and antifungal evaluation of some new platinum(II) complexes of 2-phenylbenzimidazole ligands
Antibacterial activity antifungal activity benzimidazole
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2010/10/18
A series of platinum(II) complexes of the type [PtL2Cl2] 1, [PtL2I2] 2, [PtL2(oxalato)] 3, and [PtL2(malonato)] 4 (L= 2-phenylbenzimidazole ligands as ``non-leaving groups'') were synthesized and cha...
Mesoporous Platinum Electrodes for Amperometric Determination of Sugars with Anion Exchange Chromatography
Mesoporous Platinum Electrodes Amperometric Determination Sugars
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2010/9/17
A simple amperometric detection (AD) method based on mesoporous platinum (Pt) electrodes has been developed for the determination of sugars (glucose, fructose, and sucrose) with high-performance anion...
Performance evaluation of platinum-based catalysts for the development of proton exchange membrane fuel cells
Methanol catalysts cyclic voltammetry PEM fuel cell
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2010/10/15
Platinum-based catalysts are considered the most efficient catalysts for triggering electrochemical reactions in proton exchange membrane (PEM) fuel cells. In the present study, commercial catalysts c...
Spectrophotometric Determination of Traces of Platinum with 5-Chloro-2-hydroxythiobenzhydrazide after Extraction into Molten Naphthalene
Spectrophotometric Determination Platinum 5-Chloro-2-hydroxythiobenzhydrazide
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2010/9/17
Platinum(IV) can be determined spectrophotometrically with 5-chloro-2-hydroxythiobenzhydrazide on extraction into molten naphthalene from the aqueous phase with pH 2.2 − 6.0. Beer’s law is obeye...
Determination of Iron Monosulfide and Iron Disulfide in Suspensions by an Electrochemical Method Using a Platinum-Silver Twin-Electrode
Determination Iron Monosulfide Iron Disulfide Suspensions Electrochemical Method
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2010/9/13
New electrochemical technique with a Pt-Ag twin electrode is proposed for the determining the contents of iron sulfides (FeS and FeS2) in a suspension. After electrolytic oxidation with a Pt electrode...
Platinum-Group Minerals (PGM) and Other Solid Inclusions in the Elbistan-Kahramanmaraş Mantle-hosted Ophiolitic Chromitites, South-eastern Turkey: Their Petrogenetic Significance
ophiolitic chromitite platinum-group minerals base metal sulphides Kahramanmaraş Turkey
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2009/7/7
The Elbistan-Kahramanmaraş podiform ophiolitic chromitites, in southeastern Turkey, contain abundant primary inclusions of platinum-group minerals (PGM), base-metals sulphides (BMS) and silicates...
Extraction chromatographic separation of platinum(IV) from real samples and associated elements
extraction chromatography mutual separations platinum(IV) palladium(II) gold(III)
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2010/3/30
The extraction behavior of platinum(IV) was studied with N-n-octylaniline as a function of different parameters, such as pH, concentrations of weak acids, mineral acids, reagents and elution time. A s...
Synthesis and Cytotoxic Activity of Platinum(II) and Platinum(IV) Complexes with 2-Hydroxymethylbenzimidazole or 5(6)-Chloro-2-hydroxymethylbenzimidazole Ligands against MCF-7 and HeLa Cell Lines
Benzimidazole, cytotoxic activity, HeLa cell line, MCF-7 cell line, platinum(IV) complexes, platinum(II) complexes
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2010/4/16
Four platinum(II) and 4 platinum(IV) complexes with the structures [PtL2Cl2], [PtL2I2], [PtL2Cl4], and [PtL2Cl2(OH)2] (L = 5(6)-non/orchloro-substituted-2-hydroxymethylbenzimidazole ligands as ``non-l...
Description of E4 Transitions in A=192,194,196,198 Platinum Isotopes in a Microscopic sdgIBM-1
hexadecapole force microscopic sdgIBM-1 E4 transition
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2007/8/15
2001Vol.35No.6pp.711-716DOI:
Description of E4 Transitions in A=192,194,196,198 Platinum Isotopes in a Microscopic sdgIBM-1
ZHANG Zhan-Jun,1 YANG Jie,2 WANG Xin3 and LIU Yong4
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Pt掺杂对Mo-Ru-Se簇合物电催化氧还原性能的影响（Effect of Platinum Doping on the Performance of Oxygen Reduction over Mo-Ru-Se Cluster）
氧电还原 Mo-Ru-Se簇合物 掺杂 性能
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2010/8/24
The effect of platinum loading on the performance of oxygen reduction over Ru-based cluster catalyst in acid electrolytes has been studied by rotating disk electrode. The Pt-Mo-Ru-Se catalysts were s...
Giving platinum catalysts a golden boost for fuel cells
platinum catalysts fuel cells
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2007/3/29
27-Mar-2007，CHICAGO, IL Platinum might outweigh gold in the jewelry market, but as part of an ongoing effort to produce efficient and affordable fuel cells, scientists at the U.S. Department of Energy...
Heterogeneous Electron Transfer Rate Constants of Viologen Monocations at a Platinum Disk Electrode
Viologen monocations experimental rate constant for heterogeneous electron transfer process theoretical rate constant for heterogeneous electron transfer process
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2010/4/19
Experimental values of rate constants for the heterogeneous transfer of electrons to methyl viologen, diquat viologen, benzyl viologen and n-butyl viologen monocations were determined. The process was...
Heterogeneous Electron Transfer Rate Constants of Viologen at a Platinum Disk Electrode
Heterogeneous Electron Transfer Rate Constants of Viologen a Platinum Disk Electrode
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2010/4/19
The transfer of electrons to the dications of viologens including methyl viologen, diquat, benzyl viologen and n-butyl viologen was studied at the surface of a platinum disk electrode. The rate consta...