Results 61 to 70 of about 42,210 (307)

La integral de la ecuación de Klein Gordon

Momento, 1995
Se plantea un método para integrar Ecuaciones Diferenciales Parciales y se aplica. a la ecuación de onda de Klein Gordon. Se hace un desarrollo detallado para paquetes de onda cuando es posible definir una velocidad de grupo.
Marta Spinel de Uribe
doaj  

Phase Engineering of Nanomaterials (PEN): Evolution, Current Challenges, and Future Opportunities

Advanced Materials, EarlyView.
This review summarizes the synthesis, phase transition, advanced characterization spanning ex situ to in situ and operando techniques, and diverse applications of phase engineering of nanomaterials (PEN). It further outlines key challenges and future opportunities, such as phase stability, architecture control, and artificial intelligence (AI)‐driven ...
Ye Chen, Zhanxi Fan, Jingjie Ge, Qiyuan He, Zhuangchai Lai, Jiawei Liu, Chaoliang Tan, Hua Zhang   +7 more
wiley   +1 more source

Nano-indentation on nickel aluminate spinel and the influence of acid and alkaline attacks on the spinel surface

, 2012
Nickel aluminate spinel phase was successfully sintered from the thermal reactions between nickel oxide and kaolinite or γ-alumina precursor, to simulate the stabilization mechanism of hazardous metal-bearing waste by ceramic matrix.
Shih, K, He, Y
core   +1 more source

Algebra de Clifford

Momento, 1990
El algebra de Clifford (o algebra geometrical como lenguaje unificado para matemáticos y físicos ha adquirido auge en los últimos años y David Hestenes ha sido uno de sus grandes impulsores con trabajos de datan desde los años 60.
María Carolina Spinel G.
doaj  

Advancing Lithium–Oxygen Batteries: Pioneering Cathode Catalyst Innovation and Artificial Intelligence‐Driven Design Paradigms

Advanced Materials, EarlyView.
This review summarizes the principles and challenges of nonaqueous lithium‐oxygen batteries and recent advances in cathode catalysts, including carbon‐based materials, metals, oxides, sulfides, nitrides, carbides, and redox mediators. It highlights emerging design strategies and artificial intelligence‐driven approaches, emphasizing data‐assisted ...
Yuqing Yao, Chongyang Hao, Karol Viviana Mejia‐Centeno, Malik Dilshad Khan, Shang Wang, Longqiu Li, Yanhong Tian, Andreu Cabot, Qing Sun   +8 more
wiley   +1 more source

Sol-gel-derived Ordered Mesoporous High Entropy Spinel Ferrites and Assessment of their Photoelectrochemical and Electrocatalytic Water Splitting Performance

, 2022
For driving the (photo-) electrocatalytic water splitting reaction both efficient and photostable absorber materials and electrocatalysts are needed in order to make the technology economically competitive. The novel material class of high entropy oxides
Stefan, Lauterbach, Wolfram, Jaegermann, Maximilian, Melin, Arslan, Waheed, Bernd M., Smarsly, Marcus, Rohnke, Helmut, Schlaad, Lysander Q., Wagner, Jan P., Hofmann, Tian, Chuanmu, Marcus, Einert   +10 more
core   +1 more source

Rutas de señalización celular involucradas en la plasticidad post-sináptica inducida por la activación de los canales de glutamato tipo NMDA en el hipocampo

Acta Biológica Colombiana, 2005
La apertura de los canales de glutamato tipo NMDA, gracias a la acción concomitante de las neuronas pre-sináptica y post-sináptica a nivel de las espinas dendríticas, induce a modificaciones de la fuerza y eficacia sinápticas en éstas, fenómeno mejor ...
Sebastián Patrón Saade, Clara Spinel
doaj  

A comparison between structural and magnetic behavior of cobalt ferrite synthesized via solid state and chemical methods

Materials Research Express, 2021
Cobalt ferrite oxide (CoFe _2 O _4 ) was synthesized by two different methods of mechanochemical and combustion. The phase composition and the chemical bonding information of the two powders were investigated by x-ray diffraction (XRD) method and Fourier
Ali Sharifi, Raziye Hayati, Nader Setoudeh, Ghasem Rezaei   +3 more
doaj   +1 more source

Surface‐Functionalized LLZO‐Incorporated Multilayer Composite Solid Electrolytes for Dendrite Suppression and Efficient Ionic Conduction in Lithium–Metal Batteries

Advanced Materials, EarlyView.
A soft–hard tri‐layer composite electrolyte that couples fast Li+ transport with reinforced interfacial stability to enable high‐conductivity, mechanically robust, dendrite‐free lithium‐metal batteries. ABSTRACT The development of solid polymer electrolytes is central to safe, high‐energy lithium‐metal batteries (LMBs); however, persistent challenges ...
Fazal Ur Rehman, Minhong Woo, Hyesoo Choi, Jihwan Kim, Yujin Kim, Sanghee Park, Serim Ahn, Jinsub Lim, Minyoung Kim, Mincheol Chang   +9 more
wiley   +1 more source

Conductive Additives for Next‐Generation Batteries: Emphasizing the Potential of Bio‐Derived 3D Carbon Architectures at Electrode–Electrolyte Interfaces

Advanced Materials Interfaces, EarlyView.
3D conductive frameworks can maintain continuous electron transport, mechanical stability, and interfacial integrity, helping next‐generation batteries operate more efficiently. This Review examines their relevance to Si anodes, all‐solid‐state batteries, and dry‐processed electrodes, and highlights bio‐derived carbons as sustainable, structurally ...
SeoYoung Ha, Inseo Ko, Jongyoung Choi, Weon Ho Shin, Sung Cik Mun, Jong Ho Won   +5 more
wiley   +1 more source