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| 1 | Preparation and investigation of Pd doped Cu catalysts for selective hydrogenation of acetylene显示文摘A series of PdCu bimetallic catalysts with low Cu and Pd loadings and different Cu:Pd atomic ratios were prepared by conventionally sequential impregnation(CSD)and modified sequential impregnation(MSI)of Cu and Pd for selective hydrogenation of acetylene.Characterization indicates that the supported copper(I)nitrate in the PdCu bimetallic catalysts prepared by MSI can be directly reduced to Cu metal particles due to the hydrogen spillover from Pd to Cu(NO3)2 crystals.In addition,for the catalysts prepared by MSI,Pd atoms can form PdCu alloy on the surface of metal particles,however,for the catalysts prepared by CSI,Pd tends to migrate and exist below the surface layer of Cu.Reaction results indicate that compared with CSI,the MSI method enables samples to possess preferable stability as well as comparable reaction activity.This should be due to the MSI method in favor of the formation of PdCu alloy on the surface of metal particles.Moreover,even Pd loading is super low,<0.045 wt-%in this study,by through adjusting Cu loading to an appropriate value,attractive reactivity and selectivity still can be achieved. | Xinxiang Cao Tengteng Lyu Wentao Xie Arash Mirjalili Adelaide Bradicich Ricky Huitema Ben W.-L.Jang Jong K.Keum Karren More Changjun Liu Xiaoliang Yan | 2020 | Frontiers of Chemical Science and Engineering2020，14，4： | 4 |
| 2 | Epidemiological characteristics and disease spectrum of emergency patients in two cities in China:Hong Kong and Shenzhen显示文摘Dear editor,China is the most populated country and the second economic entity worldwide.Hong Kong and Shenzhen are two adjacent cities in southern China,with similar environmental,cultural,ethnic groups,and economic development.They both have a very interesting turning point in their destiny,leading to a miraculous economic development.However,their government structure and health care system are totally different.[1]This is a vivid example of Deng Xiaoping’s formulation of the principle of“one country,two systems”. | Shao-xi Chen Karren Fan Ling-pong Leung | 2020 | World Journal of Emergency Medicine2020，11，1： | 2 |
| 3 | Promising new developments in cancer chemotheraty显示文摘 | Benjamine W Renzo C | 1999 | Cancer Chemother Pharmacol1999，，： | 1 |
| 4 | Antibacterial metabolites from Australia macrofungi from the genus显示文摘 | Karren DB Razina R Louisa G | 2010 | Phytochemistry2010，71，89： | 1 |
| 5 | Autoimmunity against carbonic anhydrase Ⅱ affects retinal cell functions in autoim- mune retinopathy 显示文摘 | Adamus G Karren L | 2009 | J Autoimmun2009，32，2： | 1 |
| 6 | An open-label phase I trial of a live attenuated H2 N2 显示文摘 | Talaat KR Karren RA Liang PH | 2013 | Influenza Other Respi Viruses2013，7，1： | 1 |
| 7 | High-temperature stability of SiC-based composites in high-water-vapor-pressure environments 显示文摘 | KARREN L M PETER F T LARRY R W | 2003 | JAm Ceram Soc2003，86，8： | 1 |
| 8 | Use of feed enzymes in feedlot finishing diets显示文摘 | BEAUCHEM1N K A RODE L M KARREN D | 1999 | Can J Anita Sei1999，79，2： | 1 |
| 9 | Vitreous management in massive suprachoroidal hemorrhage 显示文摘 | Quiroz Mercado H Garza Karren CD Roigmelo EA | 1997 | Eur J Ophthalmol1997，7，1： | 1 |
| 10 | Transfer of Allograft Specific Tolerance Requires CD4+CD25+T Cells but Not Interleukin-4 or Transforming Growth Factor–β and Cannot Induce Tolerance to Linked Antigens显示文摘 | Bruce M. Hall Karren M. Plain Nirupama D. Verma Giang T. Tran Rochelle Boyd Catherine M. Robinson Mark R. Nicolls Manuela E. Berger Masaru Nomura Suzanne J. Hodgkinson | 2007 | Transplantation2007，，： | 1 |
| 11 | Use of feed enzymes in feedlot finishing diets显示文摘 | Beauchemin K A Rode L M Karren D | 1999 | J Anim Sci1999，79，： | 1 |
| 12 | High-thermal-conductivity aluminum nitride ceramics: the effect of thermodynamic, kinetic, and microstructural factors 显示文摘 | Berrett Jackson T Anil V Virkar Karren L More | 1997 | Journal of the American ceram/c soc/ety1997，80，6： | 1 |
| 13 | Microstructural Changes of Membrane Electrode Assemblies during PEFC Durability Testing at High Humidity Conditions显示文摘 | Jian Xie David L Wood Ⅲ Karren L More | 2005 | J Electrochem Soc2005，152，5： | 1 |
| 14 | Durability of PEFCs at High Humidity Conditions显示文摘 | Jian Xie David L Wood Ⅲ Karren L More | 2005 | Journal of The Electrochemical Society2005，152，1： | 1 |
| 15 | Differentiation of degenerative retinoschisis f rem retinal detachment using optical coherence tomography显示文摘 | Ip M Garza- Karren C Duker JS | 1999 | Ophthalmology1999，106，3： | 1 |
| 16 | Useof feed enzymes in feedlot finishing diets显示文摘 | BEAUCHEMIN K A RODE L M KARREN D | 1999 | Canadi-an Journal of Animal Science1999，79，2： | 1 |
| 17 | Organizational justice perceptions and pay level satisfaction 显示文摘 | Till R E Karren R | 2011 | Journal of Managerial Psychology2011，26，1： | 1 |
| 18 | A meta-analytic study of the effects of goal setting on task perform- ance: 1966- 1984 显示文摘 | Mento A J Steel R P Karren R J | 1987 | Organizational Behavior and Human Decision Processes1987，39，1： | 1 |
| 19 | Microstructure changes of membrane electrode assembly during PEFC durability testing at high humidity conditions显示文摘 | Xie J David L W Karren L M | 2005 | J Electrochem Soc2005，152，5： | 1 |
| 20 | Microstructural changes of membrane electrode assemblies during PEFC durability testing at high humidity conditions显示文摘 | Xie J David L W Karren L M | 2005 | J Electrochem Soc2005，152，5： | 1 |
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