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The coal permeability is the key parameter for the gas seepage characteristics and the migration law, and the structural anisotropy of the coal seam makes the permeability have obvious orientation dependence. By assumein...

Abstract Currently, a 2-port microwave transmission line with a glass window is usually used to transmit microwave energy to a pressure vessel while sealing the high-pressure gas. In this situation, the damage of the bri...

A structured light laser that enables on-demand generation of arbitrary optical field patterns and operates seamlessly across diverse lasing regimes constitutes a transformative platform, offering unprecedented flexibili...

Background. The increase in technogenic electromagnetic load leaves open the question of its impact on living cells, which do not have a specific evolutionary mechanism for responding to such an environmental factor. Cur...

In a reciprocal medium, transmission of electromagnetic (EM) waves is symmetric along opposite directions which restrict design and implementation of various systems in optics and photonics. Asymmetric transmission (AT) ...

The excavation construction of twin parallel tunnels is simulated by using centrifugal model tests. The internal stress and deformation variation of shield structure of the existing tunnel and the ground surface settleme...

O objetivo deste estudo foi construir e conhecer os parâmetros psicométricos de uma escala para medir a preferência musical de jovens. Participaram da pesquisa 480 estudantes do ensino médio, majoritariamente do sexo...

Arbuscular mycorrhizal fungi (AMF) represent a key biological strategy for enhancing agricultural resilience under extreme climatic events such as drought. However, how AMF interact with drought-tolerant plant genotypes ...

Optical vortices (OVs) have rapidly varying spatial phase and optical energy that circulates around points or lines of zero optical intensity. Manipulation of OVs offers innovative approaches for various fields, such as ...

Sperm transfer in spiders is achieved by copulatory organs on the male pedipalps (i.e., copulatory bulbs), which can be simple or a complex set of sclerites and membranes. During copulation, these sclerites can be used t...

Fe-doped TiO2 (2, 5, 10, 15 and 20% wt. of Fe) photocatalysts have been synthesized by sol-gel method using titanium aquacomplex precursor. The structure and morphology have been characterized by XRD, BET, SEM, and EDS a...

OS ARTIGOS INCLUÍDOS NESTE DOSSIÊ dizem respeito ao processo de transformação dos países do Leste europeu, que começou com a perestroika na União Soviética e foi rapidamente seguido pelos países da Europa Centra...

Abstract To optimize the magnetic fluid seal design, the single-factor method is usually used to study the effect of the rectangular pole teeth structure parameters on the sealing capacity of the magnetic fluid seal by c...

An ultra-thin transition metal dichalcogenide (TMDC) layer can support guided exciton-polariton modes due to the strong coupling between excitons and photons. Herein, we report the guided mode resonance in an ultra-thin ...

Se estudió la estructura espacial de poblaciones de herbívoros silvestres -guanacos, choiques y maras- en Península Valdés (PV), Provincia de Chubut. Se utilizaron modelos que dan cuenta de la variación en la abunda...

En el presente trabajo se reporta un estudio de la relación estructura-actividad citoprotectora gástrica de numerosas lactonas sesquiterpénicas y otros compuestos estructuralmente relacionados. Nuestros resultados mue...

Los macrólidos son un grupo de antibacterianos caracterizados por la presencia de un anillo lactona macrocíclico como núcleo de su estructura química. Son agentes bacteriostáticos, aunque en determinados casos puede...

El tamaño y la estructura de la población canina de San Martín de los Andes se describió utilizando información proveniente de encuestas obtenidas a través de un muestreo estratificado (9 estratos y 624 lotes) y de...

Comparative protein modeling is increasingly gaining interest since it is of great assistance during the rational design of mutagenesis experiments. The availability of this method, and the resulting models, has however ...

Molecular mechanics is powerful for its speed in atomistic simulations, but an accurate force field is required. The Amber ff99SB force field improved protein secondary structure balance and dynamics from earlier force f...

Fil: Grille Coronel, Leandro. Universidad Nacional de Quilmes. Departamento de Ciencia y Tecnoología. Laboratorio de Expresión y Plegado de Proteínas; Argentina Un análisis estadístico de alrededor de 20,000 estruct...

"El objetivo de este trabajo es el armado de un procedimiento de gestión de riesgos y oportunidades. El mismo es desarrollado para su aplicación en una estructura empresarial pequeña, priorizando la aplicabilidad de ...

BACKGROUND: The Avogadro project has developed an advanced molecule editor and visualizer designed for cross-platform use in computational chemistry, molecular modeling, bioinformatics, materials science, and related are...

QUANTUM ESPRESSO is an integrated suite of computer codes for electronic-structure calculations and materials modeling, based on density-functional theory, plane waves, and pseudopotentials (norm-conserving, ultrasoft, a...