Web1S1R读电压窗口是三维相变存储器读电路设计的关键.将设计的OTS模型和相变存储模型串联组成1S1R存储单元,仿真高阻态和低阻态1S1R的 I - V 特性,仿真结果如 图8 所示.在读电压窗口中,高阻态和低阻态单元电阻比超过100倍.将读电压 ( Uread )设置在 UtS 和 UtR 之间,将读 ... Web25 de nov. de 2012 · Highlights Scandium can be used to refine aluminum grains in an Al–Si–Mg aluminum alloy. The effectiveness of Sc is lower than that of conventional Al–Ti grain refiners. Al 3 Sc particles can act as heterogeneous nuclei of aluminum phases. Higher alloying elements cause more intermetallic compound phases. Those phases …
A study of the scandium-magnesium system from 0 to 60 at.% scandium
WebIt was found that the preparation of a pure ε-Fe2O3 phase without any other iron(iii) oxide phases as admixtures was achieved for ε-Sc0.1Fe1.9O3 (5 at% of Sc) ... An effect of … Web15 de dez. de 2014 · When the scandium content increases from 0.2 to 0.4 wt.%, Chinese script-like (Sc_1 phase) and skeleton-like (Sc_2 phase) compounds form at the higher scandium level. When the scandium content is sufficiently high, all intermetallic phases are Sc_1 phase and Sc_2 phase. At lower scandium contents, all intermetallic phases … dang fine thai
Lutetium - Element information, properties and uses Periodic Table
Web12 de mar. de 2015 · In a systematic investigation of scandium hydrides with high hydrogen content we predict seven phases of scandium hydrides (ScH4, ScH6, ScH7, ScH8, … Web15 de out. de 2012 · As potential hydrogen storage media, magnesium based hydrides have been systematically studied in order to improve reversibility, storage capacity, kinetics and thermodynamics. The present article deals with the electrochemical and optical properties of Mg alloy hydrides. Electrochemical hydrogenation, compared to conventional gas phase … Web20 de out. de 2024 · The adsorption of scandium from diluted, acidic solutions by a supported ionic liquid phase (SILP) was investigated, as part of a process for recovery of scandium from bauxite residue (red mud). Both dry impregnation and covalent linking were studied for the SILP preparation. birmingham wellness homeschool