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340篇 您的检索式:作者名="Holmen"
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1碳催化反应:关于氧化脱氢反应的综述(英文)显示文摘Carbon mediated catalysis has gained an increasing attention in both areas of nanocatalysis and nanomaterials. The progress in carbon nanomaterials provides many new opportunities to manip-ulate the types and properties of active sites of catalysts through manipulating structures, function-alities and properties of carbon surfaces. The present review focuses on progresses in carbon medi-ated oxidative dehydrogenation reactions of ethylbenzene, propane, and butane. The state-of-the-art of the developments of carbon mediated catalysis is discussed in terms of fundamental studies on adsorption of oxygen and hydrocarbons, reaction mechanism as well as effects of carbon nano-material structures and surface functional groups on the catalytic performance. We highlight the importance and challenges in tuning of the electron density of carbon and oxygen on carbon surfac-es for improving selectivity in oxidative dehydrogenation reactions.De Chen Anders Holmen Zhijun Sui Xinggui Zhou 2014催化学报2014,35,6:7
2Fabrication of K-promoted iron/carbon nanotubes composite catalysts for the Fischer–Tropsch synthesis of lower olefins显示文摘K-promoted iron/carbon nanotubes composite(i.e., Fe K-OX) was prepared by a redox reaction between carbon nanotubes and K_2FeO_4followed by thermal treatments on a purpose as the Fischer–Tropsch catalyst for the direct conversion of syngas to lower olefins. Its catalytic behaviors were compared with those of the other two Fe-IM and Fe K-IM catalysts prepared by impregnation method followed by thermal treatments. The novel Fe K-OX composite catalyst is found to exhibit higher hydrocarbon selectivity,lower olefins selectivity and chain growth probability as well as better stability. The catalyst structureperformance relationship has been established using multiple techniques including XRD, Raman, TEM and EDS elemental mapping. In addition, effects of additional potassium into the Fe K-OX composite catalyst on the FTO performance were also investigated and discussed. Additional potassium promoters further endow the catalysts with higher yield of lower olefins. These results demonstrated that the introduction method of promoters and iron species plays a crucial role in the design and fabrication of highly active,selective and stable iron-based composite catalysts for the FTO reaction.Xuezhi Duan Di Wang Gang Qian John C.Walmsley Anders Holmen De Chen Xinggui Zhou 2016Journal of Energy Chemistry2016,25,2:3
3Comparison of commercial solid acid catalysts for the esterification of acetic acid with butanol 显示文摘Peters T A Benes N E Holmen A 2006Applied Catalysis A : General2006,297,2:1
4IDH1 and IDH2 mutations in gliomas显示文摘Cohen AL Holmen SL Colman H 2013Curr Neurol Neurosci Rep2013,13,5:1
5The association between the proximal extension of the clot and the severity of pulmonary embolism (PE): a proposal for a new radiological score for PE显示文摘Ghanima W Abdelnoor M Holmen LO 2007J Intern Med2007,261,1:1
6Propane dehydrogenation over supported Pt and Pt-Sn catalysts: cat- alyst preparation, characterization, and activity measurement 显示文摘Odd A Barias Anders Holmen Edd A Blekkann 1996Journal of Catalysis1996,158,:1
7Early sexual maturation, central adiposity and subsequent overweight in late adolescence, a four- year- follow up of 1605 adolescent Norwegian boys and girls: The young HUN T study显示文摘Bratberg G H Nilsen TI Holmen T L 2007BMC Public Health2007,7,:1
8Decreased BMD and limb deformities in mice carrying mutations in both Lrp5 and Lrp6显示文摘Holmen SL Giambernardi TA Zylstra CR 2004J Bone Miner Res2004,19,20:1
9Hydrogenation of Propene on Cobalt Fischer–Tropsch Catalysts显示文摘Christian Aaserud Anne-Mette Hilmen Edvard Bergene Sigrid Eric Dag Schanke Anders Holmen 2004Catalysis Letters (-)2004,,3:1
10STUDY OF PT-PROMOTED COBALT CO HYDROGENATION CATALYSTS显示文摘Schanke D Vada S Blekkan E A Hilmen A M Hoff A Holmen A 0,,:1
11Gasoline pump mechanics hadincreased frequencies and sizes of micronuclei in lym -phocytesstimulated by pokeweed显示文摘HogstedtB Holmen A Karlsson A 1991Mitogen Mutat Res1991,263,:1
12Is physi- cal activity maintenance from adolescence to young adulthood associated with reduced CVD risk fac- tors, improved mental health and satisfaction with life: the HUNT Study, Norway 显示文摘Rangul V Bauman A Holmen T L 2012Int J Behav Nutr Plays Act2012,9,:1
13CD4^+ CD25^+ regulatory T Cells in Irritable Bowel Syndrome Patients显示文摘Holmen N Isaksson S Simren M 2007Neurogastroenterol Motil2007,19,2:1
14Adolescent adjustment and well-being : effects of parental divorce and distress 显示文摘Storksen I Roysamb E Holmen T 2006Scand Jpsychology2006,47,:1
15Chemical and histological changes during development of artificial caries显示文摘FEATHERSTONE J D HOLMEN L THYLSTRUP A 1985Caries Res1985,19,1:1
16Pyrolysis of natural gas:chemistry and process concepts显示文摘Holmen A Olsvik O Rokstad O A 1995Fuel Processing Technology1995,42,:1
17Anti endothelial cell autoantibodies selectively activate SAPK/JNK signalling in Wegener's granulomatosis 显示文摘Holmen C Elsheikh E Christensson M 2007J Am Soc Nephrol2007,18,9:1
18Intracerebral inflammatory response to experimental brain contusion显示文摘Holmen S Mathiesen T Shetye J 1995Acta Neurochir Wien1995,132,13:1
19A polarized light and scanning electron microscope study of the effect of Duraphat treatment on in vivo caries显示文摘Holmen L Ogaard B Rolla G Thylstrup A 1986Scand J Dent Res1986,94,6:1
20Fatigue of Concrete by Constant and Variable Amplitude Loading显示文摘Jan Ore Holmen 1982Fatigue Strength of Concrete Structures1982,75,5:1
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