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in the feature vectors is reduced by the cepstral mean variance normalization (CMVN). The addition of the delta and delta-delta of a coefficient with TMFCC coefficients improves [21] the recognition......
operation, easy field test and no additional quality and additional restraint. In addition, the hammer strike is a kind of broadband excitation, whose single excitation can stimulate multiple order......
rate introduced in the heat pipe, the addition of nanofluids allows the heat pipe to operate in lower temperature ranges in all cases, reducing the thermal resistance of the whole heat pipe. Figure 2......
squeeze casting process allowing for a direct metal-metal contact and improved heat transfer, diffusion and metallurgical bonding along the interface. In addition, discontinuous transition zones......
生材料学所研究的材料中,层状结构复合材料最为常见,它也是具有优异性能的一种特殊结构,以贝壳结构,木/竹结构,骨结构为代表,备受研究者关注. 1.1.1 贝壳结构 贝壳珍珠层的化学成分中有95%(质量分数)是碳酸钙陶瓷,但其断裂韧性比人工合成的单组元碳酸钙陶瓷高1000倍以上.研究发现,贝壳珍珠层是由95% (质量分数)的碳酸钙(文石结构)与5%(质量分数)有机质组成,表现出一种多尺度层... of Alloys and Compounds, 2017, 712: 69-75. [84] SINGH G, SATYANARAYANA D V V, PEDERSON R, DATTA R, RAMAMURTY U. Enhancement in creep resistance of Ti-6Al-4V alloy due to boron addition[J]. Materials......
powder surface[J]. Applied Surface Science, 2014, 295: 180-188. [6] CHEN H Z, LUO P, YANG Y J, LONG A P, LI S L. Effect of Mn addition and its nitridation on microstructure and properties of sintered......
wake, and a strengthened spanwise correlation of the aerodynamics of the bridge-deck. In addition, the aerodynamic interference on the buffeting forces of train on a truss bridge-deck was studied by MA......
for forecasting and simulation. In addition, a combination of the fuzzy c-mean clustering and the Dempster-Shafer theory was employed for determining the degradation state. In the proposed method for combining......
, 11] used a large eddy simulation method to analyze the influence of the flow path and vortex of the abrasive flow on the nozzle wall surface. In addition, molecular dynamics (MD) simulation method......
X. Effect of zirconium addition on crack, microstructure and mechanical behavior of selective laser melted Al-Cu-Mg alloy[J]. Scripta Materialia, 2017, 134: 6-10. [39] XU R, LI R, YUAN T, NIU P, WANG......