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To face the harsh environment of intense irradiations, tungsten vanadium alloys (W-5wt.% V) were fabricated by spark plasma sintering (SPS) of mechanical alloying powder under different consolidation conditions. X-ray diffraction (XRD) was used to study the phase structures of the alloy powder and the sintered material. To investigate the improvements in mechanical properties and microstructures,...
In this paper, we establish a new type of constraint preconditioner for solving symmetric, indefinite saddle point system arising from Maxwell equation in mixed form and study the spectral properties of the related preconditioned matrix. By comparing the performance of the constraint preconditioner presented in this paper and block diagonal preconditioner established in [1], we numerically verify...
MicroRNA (miRNA), which is short non-coding RNA, plays important roles in almost all biological processes examined. Several classifiers have been applied to predict humans, mice and rats precursor miRNAs (pre-miRNAs), but no classifier is applied to classify porcine pre-miRNAs only based on the porcine pre-miRNAs because of little known miRNA component in the porcine genome. Here, we developed a novel...
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