Báo cáo hóa học: " Improvement on thermal performance of a diskshaped miniature heat pipe with nanofluid" docx

... multiwall carbon nanotube was over 200 nm, a nd the average diameter of a carbon nanoparticle was approxim ately 68 nm. For convenience, the mix ture of multiwall carbon nanotubes and carbon nanoballs ... ther- mal resistance at each heat load could be calculated by the same process. The thermal resistances were av eraged for all heat loads to be an averaged thermal resistance...

Ngày tải lên: 20/06/2014, 22:20

... electron microscope and a 3- D surface profiler, respectively. The apparent density of the printed Ag nanopaste was calculated depending on the sintering conditions, and the adhesion was evaluated ... discrete and spherical Ag nanoparticles to continuous and con- solidated ones. Figure 5 plots the variation in the apparent density of the Ag nanopaste as a function of...

Ngày tải lên: 20/06/2014, 23:20

... al.: Structural and thermal studies of silver nanoparticles and electrical transport study of their thin films. Nanoscale Research Letters 2011 6:434. Submit your manuscript to a journal and ... 6:434 http://www.nanoscalereslett.com/content/6/1/434 Page 2 of 8 NANO EXPRESS Open Access Structural and thermal studies of silver nanoparticles and...

Ngày tải lên: 21/06/2014, 02:20

... NANO EXPRESS Open Access Preparation and thermal conductivity of CuO nanofluid via a wet chemical method Haitao Zhu * , Dongxiao Han, Zhaoguo Meng, Daxiong Wu, Canying Zhang Abstract In this article, ... potential applications associated with heat transfer, mass transfer, wetting, and spreading [1-7]. Preparation of stable nanofluids is the first step and key iss...

Ngày tải lên: 21/06/2014, 05:20

... relies on a voice activity detector (VAD) for estimation of second-order statistics. Here, the effect of a VAD on the speech enhancement of this algorithm was evaluated using an envelope- based VAD, ... ticle The Effect of a Voice Activity Detector on the Speech Enhancement Performance of the Binaural Multichannel Wiener Filter Jasm...

Ngày tải lên: 21/06/2014, 08:20

... to maturity. w is the natural death rate of the immature prey population. d 1 is the natural death rate of the mature prey population. d 2 is the natural death rate of the predator population. ... Predator-Prey System with Birth Pulse and Impulsive Harvesting at Different Moments Jianjun Jiao 1 and Lansun Chen 2 1 Guizhou Key Laboratory of Economic System Simul...

Ngày tải lên: 21/06/2014, 11:20

... “Br ´ ezis-Gallou ¨ et-Wainger type inequality with a double logarithmic term in the H ¨ older space: its sharp constants and extremal functions,” Nonlinear Analysis, Theory, Methods and Applications, ... 2010, Article ID 584521, 38 pages doi:10.1155/2010/584521 Research Article Sharp Constants of Br ´ ezis-Gallou ¨ et-Wainger Type Ineq...

Ngày tải lên: 21/06/2014, 11:20

... Access Microstructure and adhesion characteristics of a silver nanopaste screen-printed on Si substrate Kwang-Seok Kim 1 , Yongil Kim 2 and Seung-Boo Jung 2* Abstract The microstructural evolution and the adhesion ... screen-printed Ag nanopaste. The influence of sintering temperature on the adhesion was also characterized by the scratch test. Methods The...

Ngày tải lên: 21/06/2014, 17:20

... electrical resistivity and the stronger adhe- sion of the printed Ag nanopaste. Additional material Additional file 1: The parameters of scratch test. A table listing the detailed scratch parameters. Abbreviations DSC: ... 7:49 http://www.nanoscalereslett.com/content/7/1/49 Page 2 of 6 NANO EXPRESS Open Access Microstructure and adhesion characteristics of a silver...

Ngày tải lên: 21/06/2014, 17:20

... power, thermoelectric material is expected to be one of the promising candidates to meet the challenge of energy crisis. The performance of a thermoelectric material is quantified by the dimensionless ... function of temperature. These are for a series of (a) zigzag and (b) chiral tubes. The results for the p-type and n-type doping are both shown. Fig...

Ngày tải lên: 21/06/2014, 17:20

... (bit/s/Hz) 99.51010.51111.51212.51313.5 SNR (dB) Plain OFDM α -OFDM# 1 (M = 2) α -OFDM# 1 (M = 8) Outage capacity of α -OFDM# 1 versus OFDM 3GPP-LTE EPA channel (N = 1024, N u = 602) Figure 3: α -OFDM# 1 Outage Capacity in 3GPP-LTE EPA. Figure ... det  I N u + 1 σ 2 H (N u ) α  , (39) 9.4 9.6 9.8 10 10.2 10.4 10.6 10.8 11 Outage capacity (bit/s/Hz) 28 30 32 34 36 38 SNR (dB) N...

Ngày tải lên: 21/06/2014, 19:20

... a new class of general nonlinear implicit variational inequalities, which includes several classes of variational inequalities and variational inclusions as special cases. By applying the resolvent ... Y. Tang, and N J. Huang, “Ishikawa and Mann iterative processes with errors for generalized strongly nonlinear quasivariational inequalities, ” Nonlinear Fun...

Ngày tải lên: 21/06/2014, 22:20

... 3π/2, −−→ r i+1 = ⎧ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎨ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎩ −−−→ PC i−1 + −→ r i 2 , π 2 <arccos  −−→ POI· −−−−→ PCINR | −−→ POI· −−−−→ PCINR|  ≤ 3π 2 , −−→ PC i + −→ r i 2 , − π 2 <arccos  −−→ POI· −−−−→ PCINR | −−→ POI· −−−−→ PCINR|  ≤ π 2 , (22) where → r is the vector of the aiming point, → a s is the vector of SPP, −−→ POI is the vector of POI, −−→ PC i is the vector of the peak ca...

Ngày tải lên: 21/06/2014, 23:20

... contribution to the thermal expansion of BNII. Conclusion Bulk nanocrystalline ingot iron had less linear thermal expansion in comparison with conventional polycrystalline ingot iron from liquid nitrogen ... from Fig. 2, which means that the power of thermal expansion is less than the resistance of thermal expansion for BNII. The power and...

Ngày tải lên: 22/06/2014, 00:20

... 2008, Article ID 470856, 7 pages doi:10.1155/2008/470856 Research Article Messaging Performance of FIPA Interaction Protocols in Networked Embedded Controllers Omar Jehovani L ´ opez Orozco, 1 Jose ... interaction protocol-initiator and participants are in different front-end container Figure 11: Messaging performance of the contract-net interaction protocol...

Ngày tải lên: 22/06/2014, 05:20