Results 21 to 30 of about 567,556 (268)
A Van Hove singularity (VHS) is a singularity in the phonon or electronic density of states of a crystalline solid. When the Fermi energy is close to the VHS, instabilities will occur, which can give rise to new phases of matter with desirable properties.
Jian Zhang +9 more
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Research Progress on the Synthesis of Nanosized and Hierarchical Beta Zeolites
Beta zeolite, a crystal material with a three-dimensional twelve-ring cross-channel structure, has many advantages, such as high Brønsted acid concentration, high Si/Al ratio, thermal/hydrothermal stability, and large surface area.
Luwei Hong +5 more
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Bioinspired Tough and Strong Fibers with Hierarchical Core–Shell Structure
Strong and tough bio‐based fibers are attractive for both fundamental research and practical applications. In this work, strong and tough hierarchical core–shell fibers with cellulose nanofibrils (CNFs) in the core and regenerated silk fibroins (RSFs) in
Yao Xiao +8 more
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Finding Hierarchical Structures of Disordered Systems: An Application for Market Basket Analysis
Complex systems can be characterized by their level of order or disorder. An ordered system is related to the presence of system properties that are correlated with each other.
Mauricio A. Valle, Gonzalo A. Ruz
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Serbian adaptation of the positive and negative affect schedule (PANAS): Its facets and second-order structure [PDF]
Although the PANAS is widely used in affect research there are some controversies regarding its structure. Two related studies were reported providing evidence that a Serbian adaptation of the PANAS represents a valid and reliable measure of ...
Mihić Ljiljana +3 more
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Chirality transfer by chemical self-assembly has been studied intensively for years but chirality transfers along the same path remains elusive. Here the authors use a multiscale chemo-mechanical model to elucidate the mechanism underlying the chirality ...
Yang Yang +10 more
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Uncovering the different scales in deer–forest interactions
Deer are regarded to be a keystone species as they play a crucial role in the way an ecosystem functions. Most deer–forest interaction studies apply a single scale — process of analyzing ecological interactions by only taking into account one dependent ...
Juan Ignacio Ramirez
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Hierarchical crystals with short diffusion path, conventional microcrystals and nanocrystals of ZSM-5 zeolites were used for biodiesel production from waste frying oils and were assessed for their catalytic activity in regard to their pore structure and ...
Elyssa G. Fawaz +3 more
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Hierarchical porous birnessite-MnO2-based nanostructure composite materials were prepared on a nickel foam substrate by a successive ionic layer adsorption and reaction method (SILAR). Following composition with reduced graphene oxide (rGO) and multiwall
Shang-Chao Hung +4 more
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The paralleling of power converters connected to the grid for power-sharing is a widely used technique. In this context, the design framework for a low-cost, lightweight, compact and high-performance optimum configuration is an open problem.
Rama Krishna Naidu Vaddipalli +1 more
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