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| 1 | Visualization and quantification of water movement in porous cement-based materials by real time thermal neutron radiography:Theoretical analysis and experimental study显示文摘Water movement in porous cement-based materials is of great importance when studying their deterioration processes and durability.Many traditional methods based on mass changes,electricity or nuclear magnetic resonances are available for studying water transport in cement-based materials.In this research,an advanced technique i.e.thermal neutron radiography was utilized to achieve visualization and quantification of time dependent water movement including water penetration and moisture vapor in porous cement-based materials through theoretical analysis and experimental study.Because thermal neutrons ex-perience a strong attenuation by hydrogen,neutron radiography exhibits high sensitivity to small amounts of water.A neutron transmission analysis for quantitative evaluation of raw radiographic measurements was developed and optimized based on point scattered functions(PScF).The determinations of the real time and space dependent water penetration into uncracked and cracked mortar samples,as well as the drying process have been presented in this paper.It is illustrated that thermal neutron radiography can be a useful research tool for visualization and quantification of water movement in porous building materials.The obtained results will help us to better understand deteriorating processes of cement-based materials and to find ways to improve their durability. | ZHANG Peng1,WITTMANN F H1,2,ZHAO TieJun1,LEHMANN E3 & JIN ZuQuan1 1 Center for Durability & Sustainability Studies of Shandong Province,Qingdao Technological University,Qingdao 266033,China 2 Aedificat Institute Freiburg,Freiburg D-79100,Germany 3 Department of Spallation Neutron Source(ASQ),Paul Scherrer Institute,Villigen PSI CH-5232,Switzerland | 2010 | Science China(Technological Sciences)2010，53，5： | 6 |
| 2 | Bone marrow -derived mesenchymal stem cells ameliorate hepatic ischemia reperfusion injury in a rat model显示文摘 | KANAZAWA H1 FUJIMOTO Y TERATANI T | 2011 | PLoS One2011，6，： | 1 |
| 3 | Renin induces apoptosis in podocytes through a receptor-mediated显示文摘 | Yuan H1 Ren ZL Hu FQ | 2012 | angiotensin II-independent mechanism2012，344，6： | 1 |
| 4 | Heat Transfer Enhancement to the Drag-Reducing Flow of Surfactant Solution in Two-Dimensional Channel With Mesh-Screen Inserts at the Inlet 显示文摘 | Li PW Kawaguchi Y Daisaka H1 | 2001 | Journal of Heat Transfer2001，123，4： | 1 |
| 5 | Preadipocytes stimulate breast cancer cellgrowth显示文摘 | Chamras H1 Bagga D Elstner E | 1998 | Nutr Cancer1998，52，2： | 1 |
| 6 | Synovial sarcoma of the nasal cavity显示文摘 | Acosta Diaz H1 Trinidad Ruiz G Rejas E | 2011 | Acta Otorrinolaringol Esp2011，62，： | 1 |
| 7 | Assessment of ovarian teratoma and lymphadenopathy by 18F-FDG PET/CT 显示文摘 | Balink H1 Apperloo M J Collins J | 2012 | Clin Nuel Med2012，37，8： | 1 |
| 8 | Learning curve for per- cutaneous endoscopic lumbar discectomy depending on the surgeon's training level ofminimally invasive spine surgery显示文摘 | Wang H1 Huang B Li C | 2013 | Clin Neurol Neurosurg2013，115，10： | 1 |
| 9 | Comparison of the effects of laparoscopic bipolar electrocoagulation and intracorporeal suture application to ovarian reserve in benign ovarian cysts显示文摘 | Ozgonen H1 Erdemoglu E Günyeli I | 2013 | Arch Gynecol Obstet2013，287，4： | 1 |
| 10 | Etiology of Multiple Non-EV71 and Non-CVA16 Enteroviruses Associated with Hand,Foot and Mouth Disease in Jinan,China,2009-June 2013显示文摘 | Guan H1 Wang J2 Wang C | 2015 | PLoS One2015，10，01： | 1 |
| 11 | Oxidative mechanism of arsenic toxicity and carcinogenesis显示文摘 | Shi H1 Shi X1 Liu KJ | 2004 | Mol Cell Biochem2004，255，： | 1 |
| 12 | The logic of carbon and nitrogen inter actions international ecosystems显示文摘 | Tateno M Chapin H1 F S | 1997 | Am Nat1997，149，4： | 1 |
| 13 | Transient response of multiconductor transmission lines excited by a nonuniform electromagnetic field显示文摘 | Agrawal A K Price H1 Gurbaxani S | 1980 | IEEE Trans on EMC1980，22，2： | 1 |
| 14 | Role of thephosphatidylinositol-3-kinase and extracellularregulated kinase pathways in the induction of hypoxia-inducible factor(HIF)-1 activity and the HIF-1 targetvascular endothelial growth factor in ovarian granulosecells in response to follicle-stimulating hormone显示文摘 | Alam H1 Week J Maizels E | 2009 | Endocrinology2009，150，2： | 1 |
| 15 | Hyperglycemia induces Toll like receptor 4 expression and activity in mouse mesangial cells: relevance to diabetic nephropathy 显示文摘 | Kaur H1 Chien A Jialal I | 2012 | Am J Physiol Renal Physiol2012，303，8： | 1 |
| 16 | Overexpression of Cs NMAPK in tobacco enhanced seed germination under salt and osmotic stresses显示文摘 | XU H1 LI K YANG F | 2010 | Mol Biol Rep2010，37，7： | 1 |
| 17 | Community composition of root-associated fungi in a Quercus-dominated temperate forest: 'codominance' of mycorrhizal and root-endophytic fungi 显示文摘 | Toju H1 Yamamoto S Sato H | 2013 | E- cology and Evolution2013，3，5： | 1 |
| 18 | Advances in endoscopic visual- ization of Barrett~ Esophagus:the role of confocal laser endomicrosco- py显示文摘 | Bertani H1 Pigb F Dabizzi E | 2012 | Gastroenterol Res Praet2012，，： | 1 |
| 19 | Volatile anesthetics activate the humantandem pore domain baseline K+channel KCNK5显示文摘 | ByronAZ Christoph H1 | 2000 | Anesthesiology2000，92，6： | 1 |
| 20 | Randomized trial of neo- adjuvant therapy for Lung cancer: interim analysis 显示文摘 | Pass H1 Pogrebnisk HW Steinberg SM | 1992 | Ann Thorac Surg1992，53，6： | 1 |
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