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https://cpl.iphy.ac.cn/en/article/doi/10.1088/0256-307X/29/8/088104?viewType=HTML Effect Mechanism of a Direct Current on the Solidification of Immiscible Alloys Continuous solidification experiments are carried out with Al-Pb alloys under the effect of a direct current. The microstructure evolution in the samples is... of adirect currenton theeffectmechanism https://ricerca.univaq.it/handle/11697/260920 THE ROLE OF DENTAL PULP STEM/STROMAL CELLS IN ANGIOGENESIS: DIRECT MECHANISM OR PARACRINE INFLUENCE? the roledental pulpstromal cellsdirect mechanismstem