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Vor 9 Stunden · We employ analytical transmission electron microscopy (TEM) to correlate the structural and chemical environment variations within a stacked epitaxial thin film of the high entropy oxide (HEO) Mg0.2Co0.2Ni0.2Cu0.2Zn0.2O (J14), with two layers grown at different substrate temperatures (500 and 200 °C) using pulsed laser deposition (PLD). Electron diffraction and atomically resolved STEM ...
Vor 9 Stunden · The statistical multifractal approach also offers scaling versions of entropy and Gibbs free energy , and when combined with the Langevin equation, points to a mechanism for turbulence in the air [18,19]. The persistence of molecular velocity after collision prevents instantaneous thermalization and breaks the continuous translational symmetry of a Maxwell–Boltzmann equilibrated gas ...
Vor 9 Stunden · In recent years, all-inorganic perovskite solar cells have become a research hotspot in the field of photovoltaics due to their excellent stability and optoelectronic performance, and the power conversion efficiency has increased from the initial 2.9% to over 20%. This article briefly introduces the development of cesium lead-based all-inorganic perovskite solar cells (CsPbX3-IPSC), including ...
Vor 9 Stunden · Year-by-year synthesis methods from HF etching are evolving along with the new MXene family member discoveries like high entropy MXene. In the photocatalysis field, MXene is playing a prominent role along with photocatalysts like GO, rGO, g-C 3 N 4 , MO 2 S 2 , metal oxides, etc. Laboratory-level works showed good results, whereas applying them to the industrial level there are challenges that ...
Vor 9 Stunden · Notable deaths. January 10 – Jennell Jaquays, 67, tabletop and video game designer, with contributions for Dungeons & Dragons and at id Software. February 1 – Carl Weathers, 76, actor, best known for portraying Apollo Creed in the Rocky films and providing voice work in Mercenaries: Playground of Destruction, Mortal Kombat X and The Artful Escape.
Vor einem Tag · python决策树模型有序变量与无序变量需要指定吗 决策树python例子，一、概念 决策树是一种从无次序、无规则的样本数据集中推理出决策树表示形式的分类规则方法。. 决策树学习的算法通常是一个递归地选择最优特征，并根据该特征对训练数据进行分割，使得 ...
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