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68篇 您的检索式:作者名="Kotowski"
    题名 作者 年代 出处 被引量
1Effects of humidity on shear behavior of bamboo显示文摘Bamboo is a naturally occurring biological composite, however its microstructure and hence its properties are very complex compared to the manmade composites. Due to optimization, it can be assumed that the variation in properties along the thickness of the culm be a smooth transition for better bonding strength between layers and to prevent non uniformity in stress concentration. As a consequence,biological structures are complicated and functionally graded. Hence, a realistic model that can capture the mechanical performance of bamboo is valuable in future design of robust multifunctional composites.This paper presents the results of experimental and numerical studies on the torsional(shear) properties of bamboo. The hierarchical and multi-scale structure of bamboo and the distribution of micro-scale fibers are revealed via laser scanning and atomic force microscopy. This information was incorporated into a finite element model to analyze the mechanical behavior of bamboo under torsion and to estimate the shear modulus of bamboo along the fibers. Moreover, the effects of humidity and therefore water content on the mechanical properties of bamboo were evaluated by performing torsion tests on samples maintained in environments with different humidities. Increasing the humidity does not cause a drop in the shear modulus, however, a jump in the shear modulus did occur at around 60% humidity. Results of this study indicate that the highest strength values in samples occurred in environments with humidity levels between 60% and 80% and undergo a significant drop after that. In higher humidities, the samples behave more ductile.Sina Askarinejad Peter Kotowski Faezeh Shalchy Nima Rahbar 2015Theoretical & Applied Mechanics Letters2015,5,6:3
2Ruptured aneurysms and the International Subarachnoid Aneurysm Trial (ISAT) : what is known and what remains to be questioned显示文摘Raymond J Kotowski M Darsaut TE 2012Neurochirurgie2012,58,2:1
3Quantification of patient migration in bed:catalyst to improve hospital bed design to reduce shear and friction forces and nurses'injuries 显示文摘Kotowski S E Davis K G Wiggernmann N 2013Hum Factors2013,55,9:1
4Low LDL cholesterol in individuals of African descent resulting from frequent nonsense mutations in PCSK9显示文摘Cohen J Pertsemlidis A Kotowski IK Graham R Garcia CK Hobbs HH 2005Nat Genet2005,37,2:1
5(U)ber die Hattfestigkeit von Metallisierungen auf Keramiken显示文摘KOTOWSKI J MUSCHAWECK J 1961Vakuum Technol1961,10,5:1
6A Spectrum of PCSK9 Alleles Contributes to Plasma Levels of Low-Density Lipoprotein Cholesterol显示文摘Ingrid K. Kotowski Alexander Pertsemlidis Amy Luke Richard S. Cooper Gloria L. Vega Jonathan C. Cohen Helen H. Hobbs 2006The American Journal of Human Genetics2006,,:1
7Assessment of pulmonary function and nasal flow in children with adenoid hypertrophy显示文摘Niedzielska G Kotowski M Niedzielski A 2008Int J Pediatr Otorhinolaryngol2008,72,3:1
8Low LDL cholesterol in individuals of African descent resulting from frequent nonsense mutations in PCSK9 显示文摘COHEN J PERTSEMLIDIS A KOTOWSKI LK 2005Nature Genet2005,37,2:1
9Understanding the ergonomic risk for aausculoskeletal disorders in the United States agricultural sector 显示文摘DAVIS KG KOTOWSKI SE 2007Am J Ind Med2007,50,7:1
10PS-PVD deposition of thermal barrier coatings 显示文摘Goral M Kotowski S Nowotnik A 2013Surface and Coatings Technology2013,237,:1
11Low LDL cholrcrol in individuals of African descent resulting from frequel nonsense mutations in PCSK9显示文摘 Pertsemlidis A Kotowski IK 2005Nat Genet2005,17,2:1
12Intraoperative angiography reloaded: a new hybrid operating theater for combined endovascular and surgical treatment of cerebral arteriovenous malformations: a pilot study on 25 patients显示文摘Marc Kotowski Asita Sarrafzadeh Bawarjan Schatlo Colette Boex Ana Paula Narata Vitor Mendes Pereira Philippe Bijlenga Karl Schaller 2013Acta Neurochirurgica2013,,11:1
13Modeling aluminum and organic matter solubility in the forest floor using WHAM显示文摘De Wit H A Kotowski M Mulder J 1999Soil Science Society of America Journal1999,63,:1
14Thrombosis herald- ing aneurysmal rupture: an exploration of potential mechanisms in a novel giant swine aneurysm model显示文摘Raymond J Darsaut TE Kotowski M 2013AJNR Am J Neuroradi- ol2013,34,2:1
15Geometricimage mea- surement errors of circular object tar-gets 显示文摘Ahn S J Warnecke H J Kotowski R 1999Optical 3-D Measurement Techniques1999,16,93:1
16Assessment of Pulmonary function and nasal flow in children with adenoid hypertrophy 显示文摘Niedzielska G Kotowski M Niedzielski A 2008Int J Pediar ototorhinlamgol2008,72,:1
17Evaluation of VEGF and IGF-1 plasma levels in preterm infants-potential correlation with reti- nopathy of prematurity, clinical implications 显示文摘Machalintska A Modrzejewska M Dziedziejko V Kotowski M Safranow K Herbowska A 2009Klin Oczna2009,111,10:1
18Systematic image measure- ment errors of circular object targets 显示文摘Ahn S J Warbecke H J Kotowski R 1999Photogrammetric Re- cord1999,16,93:1
19Low LDL cholesterol in individuals of African descent resulting from frequent nonsense mutations in PCSK9 显示文摘JONATHAN C PERTSEMLIDIS A KOTOWSKI I K 2005Nat Genet2005,37,2:1
20Glaucoma discrimination of segmented cirrus spectral domain optical coherence tomography ( SD- OCT) macular scans显示文摘Kotowski J Folio LS Wollstein G 2012Br J Ophthalmol2012,96,:1
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