Báo cáo hóa học: " Nanostructured Hypoeutectic Fe-B Alloy Prepared by a Self-propagating High Temperature Synthesis Combining a Rapid Cooling Technique" ppt

... Nanoscale Res Lett (2009) 4:11–16 123 NANO EXPRESS Nanostructured Hypoeutectic Fe-B Alloy Prepared by a Self-propagating High Temperature Synthesis Combining a Rapid Cooling Technique Licai Fu ... Then combustion wave of the reaction propagates from top to bottom of the reactant compact, and the reactants transform to the Fe-B alloy and Al 2 O 3 where the com...

Ngày tải lên: 22/06/2014, 01:20

... Computing, PCI-DAS 6402, Middleboro, MA) and custom data acqui- sition software written in Matlab and stored for later anal- ysis. Force plate data was further low-pass filtered using a zero-delay fourth ... the subject. For each subject, the data generated for all steps within a 30-second trial was averaged for each limb. Statistical analysis A total of 5 kinematic and 5 kinetic measur...

Ngày tải lên: 19/06/2014, 08:20

... deposition Shutian Chen, Zhengcao Li * and Zhengjun Zhang Abstract Regular arrays of Ti x Sn 1-x O 2 nanoflakes were fabricated through glancing angle sputter deposition onto self- assembled close-packed arrays ... GLAD nanostructures into ordered arrays. Atomic shadowing and adatom diffusion are the domi- nant growth mechanisms in the process of GLAD. Obli- que angle flux incidence enhances...

Ngày tải lên: 21/06/2014, 04:20

... the authors in [24] propose a 2D +3Dactiveappearancemodel(AAM)schemetoenhance AAM in handling 3D eff ects to some extent. A sequence of face images (900 frames) is tracked using AAM and a 3D shape ... image at a ro- tated pose and under an arbitrary illumination condition, we manually establish the image correspondence between the test image and a mean face image at the frontal pose....

Ngày tải lên: 22/06/2014, 19:20

... titania films sensitized by quantum dot chalcogenides Athanassios G Kontos 1* , Vlassis Likodimos 1 , Eleni Vassalou 1,2 , Ioanna Kapogianni 1,2 , Yannis S Raptis 2 , Costas Raptis 2 and Polycarpos ... L, Pattantyus-Abraham AG, Jamakosmanovic D, Sargent EH: Quantum Dot Photovoltaics in the Extreme Quantum Confinement Regime: The Surface-Chemical Origins of Exceptional Air- and Light-Stabili...

Ngày tải lên: 21/06/2014, 04:20

... Almeida Á L. M. de Carvalho Programa de Po ´ s-Graduac a ˜ o em Cie ˆ ncias Farmace ˆ uticas, Universidade Federal de Santa Maria, Av. Roraima, 1000, Santa Maria, RS 97105-900, Brazil F. Lima ... presented in Table 1. Statistical Analysis Formulations were prepared and analyzed in triplicate. Results are expressed as mean ± SD (standard deviation). Two-way analysis of variance (ANOVA) was...

Ngày tải lên: 21/06/2014, 17:20

... nanoparticles. Carbohydrate Polymers 2012, 87:1596-1605. 7 Ayano E, Karaki M, Ishihara T, Kanazawa H, Okano T: Poly (N- isopropylacrylamide)–PLA and PLA blend nanoparticles for temperature- controllable ... terminal LA units appears. At approximately 4.23 ppm and 2.63 ppm, two small signals are due to unreacted ε-caprolactone. Calculations allow the determination of the amount of unreac...

Ngày tải lên: 21/06/2014, 17:20

... nucleation and growth of NPs at an elevated temperature and rapidly quenching the NP colloids in a solution containing a pas- sivating reagent at a reduced temperature. We have shown that Cobalt ... three main areas: the mixing and reaction area, the nucleation and growth area, and the rapid cold quenching area. The mixing and reaction area includes one Y mixer (Y mixer 1). The del...

Ngày tải lên: 21/06/2014, 20:20

... signal enhancement was observed for Ag/Si substrates annealed at temperatures Fig. 1 AFM images and corresponding surface profiles of Ag/Si nanoisland films: unannealed film a and films annealed in air ... CNR- INFM, Laboratorio Nazionale TASC, Area Science Park—Basovizza, Trieste, Italy for the help with carring out Raman spectra measure- ments and useful advice. V. Dzhagan is grateful to the...

Ngày tải lên: 22/06/2014, 00:20

... hydrogel material was found to hold a potential application in magnetically assisted bioseparation [17]. We obtained hydrogel-magnetic nanoparticles with a magnetic core (Fe 3 O 4 ) encapsulated in layer -by- layer chitosan–hyaluronic ... the antimicrobial and antifungal activity was investigated by a qualitative screen- ing of the susceptibility spectrum of different microbial strain...

Ngày tải lên: 22/06/2014, 01:20