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| 1 | Stability and activity of carbon nanofiber-supported catalysts in the aqueous phase reforming of ethylene glycol显示文摘Nickel, cobalt, copper and platinum nanoparticles supported on carbon nano-fibers were evaluated with respect to their stability, catalytic activity and selectivity in the aqueous phase reforming of ethylene glycol (230 C, autogenous pressure, batch reactor). The initial surface-specific activities for ethylene glycol reforming were in a similar range but decreased in the order of Pt (15.5 h1 ) >Co(13.0 h1 ) >Ni(5.2 h1 ) while the Cu catalyst only showed low dehydrogenation activity. The hydrogen molar selectivity decreased in the order of Pt (53%)>Co(21%)>Ni (15%) as a result of the production of methane over the latter two catalysts. Over the Co catalyst acids were formed in the liquid phase while alcohols were formed over Ni and Pt. Due to the low pH of the reaction mixture, especially in the case of Co (as a result of the formed acids), significant cobalt leaching occurs which resulted in a rapid deactivation of this catalyst. Investigations of the spent catalysts with various techniques showed that metal particle growth is responsible for the deactivation of the Pt and Ni catalysts. In addition, coking might also contribute to the deactivation of the Ni catalyst. | T. van Haasterecht C. C. I. Ludding K. P. de Jong J. H. Bitter | 2013 | Journal of Energy Chemistry2013,22,2: | 3 |
| 2 | Incorporating spatial variation in housing attribute prices: a comparison of geographically weighted regression and the spatial expansion method显示文摘 | Christopher Bitter Gordon F. Mulligan Sandy Dall’erba | 2007 | Journal of Geographical Systems2007,,1: | 3 |
| 3 | Investigation on aerodynamic force effect of vacuum plumes using pressure-sensitive paint technique and CFD-DSMC solution显示文摘Pressure-sensitive paint(PSP) technique was employed to experimentally investigate the aerodynamic force effect of vacuum plume in this study. The characterization and comparison for two types of PSP were firstly conducted in an air pressure range from0.05 to 5000 Pa. The PSPs were prepared using PtTFPP as the active dye and different binders, i.e., polymer-ceramic(PC) and poly(1-trimethylsilyl-1-propyne) [poly(TMSP)]. The static calibrations showed that PtTFPP/poly(TMSP) had a higher pressure sensitivity and a lower temperature dependency compared to PtTFPP/PC in this pressure range. The pressure distributions of a single and two interacting plumes impinging onto a flat plate model were measured using PSP technique. The experimental data were compared to numerical solutions that combined both the computed fluid dynamics(CFD) and direct simulation Monte Carlo(DSMC) methods. Remarkable agreements were achieved, demonstrating the feasibility and accuracy of the numerical approach.Finally, the aerodynamic force effect of interacting plumes at different separation distances was investigated numerically. | WU Jing BITTER Martin CAI GuoBiao HE BiJiao KAEHLER Christian | 2017 | Science China(Technological Sciences)2017,60,7: | 3 |
| 4 | 一种改进的糖醛酸咔唑反应显示文摘糖醛酸咔唑反应是测定色谱级分中糖醛酸的最好方法。但此方法至少需要2 h才能使生成的颜色相对稳定,且某些化合物反应的颜色部分易被盐抑制。生成的颜色不稳定,对过热或水的稀释敏感,且易受试剂或样品中杂质的干扰。 | Bitter T Muir H M 陈祥娥 | 2010 | 食品与药品2010,12,3: | 3 |
| 5 | Protein secretion mechanisms in Gram-negative bacteria显示文摘 | Margot Koster Wilbert Bitter Jan Tommassen | 2000 | International Journal of Medical Microbiology2000,,4: | 2 |
| 6 | Manifestation of Berry's topological phase in neutron spin rotation 显示文摘 | Bitter T Dubbers D | 1987 | Phys Rev Lett1987,59,: | 2 |
| 7 | Effect of initial nickel particle size on stability of nickel catalysts for aqueous phase reforming显示文摘The deactivation behavior by crystallite growth of nickel nanoparticles on various supports(carbon nanofibers, zirconia, Si C, α-Al_2O_3 and γ-Al_2O_3) was investigated in the aqueous phase reforming of ethylene glycol. Supported Ni catalysts of ~10 wt% were prepared by impregnation of carbon nanofibers(CNF),Zr O_2, SiC, γ-Al_2O_3 and α-Al_2O_3. The extent of the Ni nanoparticle growth on various support materials follows the order CNF ~ ZrO_2> SiC > γ-Al_2O_3>> α-Al_2O_3 which sequence, however, was determined by the initial Ni particle size. Based on the observed nickel leaching and the specific growth characteristics; the particle size distribution and the effect of loading on the growth rate, Ostwald ripening is suggested to be the main mechanism contributing to nickel particle growth. Remarkably, initially smaller Ni particles(~12 nm) supported on α-Al_2O_3 were found to outgrow Ni particles with initially larger size(~20 nm). It is put forward that the higher susceptibility with respect to oxidation of the smaller Ni nanoparticles and differences in initial particle size distribution are responsible for this behavior. | Tomas van Haasterecht Marten Swart Krijn P.de Jong Johannes Hendrik Bitter | 2016 | Journal of Energy Chemistry2016,25,2: | 2 |
| 8 | Catalytic growth of macroscopic carbon nanofiber bodies with high bulk density and high mechanical strength显示文摘 | Lee M K van der Dillen A J van Geus J W Jong K P de Bitter J H | 2006 | Carbon2006,44,: | 1 |
| 9 | Morphological and bond strength evaluation of different resin cements to root dentin显示文摘 | Bitter K Paris S Pfuertner C | 2009 | Eur J Oral Sci2009,117,3: | 1 |
| 10 | Noninvasive rejuvenation of photodamaged skin using serial, full-face intense pulsed light treatments 显示文摘 | Bitter P H | 2000 | Dermatol surg2000,26,9: | 1 |
| 11 | Nonivasive rejuvenafion of photodamaged skin using serial full-face intense pulsed light treatments显示文摘 | Bitter PH | 2000 | Dermatol Surg2000,26,9: | 1 |
| 12 | Spatially resolved spectra from a new x -ray imaging crystal spectrometer for measurements ofion and electron temperature profiles 显示文摘 | Bitter M | 2004 | Review ofScientific Instruments2004,75,10: | 1 |
| 13 | Cobalt particle size effects in the Fischer-Tropsch reaction studied with carbon nanofiber supported catalysts显示文摘 | Bezemer G L Bitter J H Kuipers H P | 2006 | J Am Chem Soc2006,128,12: | 1 |
| 14 | Influence of endodontic treatment, post insertion, and ceramic restoration on the fracture resistance of maxillary premolars显示文摘 | Bitter K Meyer-Lueckel H Fotiadis N | 2010 | Int Endod J2010,43,6: | 1 |
| 15 | S3 Guideline: Sedation for gastrointestinal endoscopy 2008显示文摘 | A. Riphaus T. Wehrmann B. Weber J. Arnold U. Beilenhoff H. Bitter S. von Delius D. Domagk A. Ehlers S. Faiss D. Hartmann W. Heinrichs M.-L. Hermans C. Hofmann S. In der Smitten M. Jung G. K?hler M. Kraus J. Martin A. Meining J. Radke T. R?sch H. Seifert A | 2009 | Endoscopy2009,,09: | 1 |
| 16 | Noninvasive rejuvenation of photodamaged skin usingserial full-face intense pulsed light treatments 显示文摘 | Bitter PH | 2000 | Dermatol Surg2000,26,9: | 1 |
| 17 | Transcription and protein expression of mb-1 and B29 genes in human hematopoietic malignancies and cell lines显示文摘 | Verschuren MCM Comans Bitter WM Kapteijin CAC | 1993 | Leukemia1993,7,: | 1 |
| 18 | Olanzapine versus clozapine in treatment-resistant or treatment-intolerant schizophrenia 显示文摘 | Bitter I Dossenbach MR Brook S | 2004 | Prog Neuropstchopharmacol Biol Psychiatry2004,28,: | 1 |
| 19 | Lipid synthesis under hydrothermal conditions by Fischer-Tropsch-Type reactions 显示文摘 | McCollom T M Bitter G Simoneit B R T | 1999 | Origins of Life and Evolution of the Biosphere1999,29,: | 1 |
| 20 | Noninvasive rejuvenation of photodamaged skinusing serial, full face intense pulsed light treatments 显示文摘 | Bitter PH | 2000 | Der matol Surg2000,26,9: | 1 |