Buscar recursos académicos

The coal mining areas spanning the Inner Mongolia-Shaanxi border represent both a quintessential ecologically vulnerable zone and a critically important coal production base in China. However, large-scale, high-intensity...

The increasing discharge of high-salinity industrial wastewater poses serious environmental and resource challenges, necessitating innovative utilization approaches. In this study, high-salt wastewater containing Na+ and...

The antimicrobial resistance profile of 45 Staphylococcus strains isolated from 10 samples of Brazilian type "coalho" cheese was evaluated against eight antibiotics used either in human or in veterinarian medicine. The t...

Abstract Superalloy is the only utilizable material for underground coal gasification channel joint. In this research, the high temperature gas flow erosion wear behavior of superalloy with strengthened layer by boronizi...

This study presents pioneering research addressing the challenge of surrounding rock control in gob-side entry retaining by roof cutting under the conditions of a gently inclined coal seam with an extra-thick main roof r...

Given the substantial contribution of coal-fired power generation to environmental pollution in South Korea, evaluating the effectiveness of policies in the electric power sector is essential. The South Korean government...

ObjectiveExtremely thick aquifers in mining areas typically exhibit strong heterogeneity and high water yield. Therefore, they are prone to cause severe water inflow in mines and induce water disasters, representing a ma...

ObjectiveFor vitrinite with weak anisotropy, which proves uniaxial and optically negative, replacing random vitrinite reflectance (Rran) with the maximum vitrinite reflectance (Rmax) allows for the accurate correction of...

Open-pit coal mine rehabilitation is essential to mitigate ecosystem degradation and biodiversity loss. Given that ants (Hymenoptera: Formicidae) are excellent bioindicators, we evaluated the response of their communitie...

Tesis de Doctorado En las últimas décadas, los gobiernos de América Latina impulsaron la explotación de recursos naturales a gran escala mediante el uso de técnicas y/o productos químicos considerados nocivos para ...

RESUMO A fabricação de queijo coalho artesanal elaborado com leite de cabra é composta pelas etapas de obtenção do leite, refrigeração, manipulação e armazenamento, que aumentam o risco de contaminação do prod...

Abstract Early small fires in coal mines are of critical importance for mine safety, as most incidents begin as small fire sources. These fires essentially constitute a task of small-object detection. Detecting such targ...

This study proposes a deep-hole directional blasting technology based on polymer energy charge packages for roof cutting and pressure relief as a solution to difficult roadway support and poor stability of coal pillars d...

The trace elements enrichments and modes of occurrence were investigated in the feed coals and coal ashes from the thermal power plants Tunçbilek (Kütahya), Soma-Torku and Soma-Kolin (Manisa), Çan 18 Mart (Çanakkale)...

This article examines how fiscal constraints influence the development of contemporary industrial policy, with a focus on European initiatives to encourage green growth and sustainability. Due to high debt levels and the...

Chattanooga has undergone a remarkable transformation from a heavily industrialized rail depot and one of the nation’s most polluted cities to the first designated National Park City in the United States of America...

Tesis de Licenciatura El trabajo analiza las coaliciones en sistemas presidencialistas latinoamericanos, tomando la variable del liderazgo presidencial y observando los procesos de toma de decisión para la agenda gubern...

To investigate the influence mechanism of roof pre-splitting blasting on overlying strata movement in automated roadway formation without coal pillars, the mechanical response characteristics of the bearing structure of ...

Understanding the strain-damage-energy dissipation mechanisms and evolution characteristics of deep coal and rock under impact loading is of great significance for the prevention and control of rockbursts. In this study,...

Constructing backfill walls adjacent to the yield coal pillar can effectively enhance its stability. The backfill and coal pillar form a synergistic bearing structure that jointly maintains the stability of the overlying...

The rheological properties of aqua-ethanol-coal of varying degrees coal metamorphism, stabilized by macromolecular surfactants was studied by rotational viscometry. It was found that including of hydroxypropylcellulose a...

This article looks at the politics of coal mining in East Kalimantan in Indonesia and La Guajira in Colombia. The focus is on government power and business interests. In a Marxian theoretical framework, the study questio...

Alcanzar la equidad en salud y abordar los determinantes sociales de la salud son aspectos fundamentales para alcanzar las metas en materia de salud y relacionadas con la salud de la Agenda para el Desarrollo Sostenible ...

Este articulo analiza, a partir de una mirada historica, la trayectoria política e institucional del Parlamento Europeo (PE) y su rol en el sistema político de la Unión Europea (UE), particularmente en el proceso legi...