Results 101 to 110 of about 353,530 (338)
Determinan Struktur Modal pada Perusahaan Pertambangan Sub Sektor Batubara dan Non Batubara yang Listed di Bursa Efek Indonesia [PDF]
The objective of this research is to analyze the influence of partial and simultaneous determinants of capital structure, including the cost of debt, business risk, size, growth, dividend policy, and profitability.
Fatoni, Y. (Yusuf)+2 more
core
Uncovering ESG Ratings: The (Im)Balance of Aspirational and Performance Features
ABSTRACT Environmental, Social, and Governance (ESG) scores are crucial for evaluating corporate sustainability. However, the undisclosed and complex methodologies used by rating agencies have raised concerns about their reliability and consistency. This study replicates LSEG's ESG scoring methodology using machine learning to shed light on the key ...
Andrea Ferro+2 more
wiley +1 more source
Study of the health effects of coal mining on coal mine workers of Baluchistan
Background: The data on coal mine workers was collected from May 2009 to April 2010.Objective:To study the health issues of coal mine workers. Methods: Two types of data were collected. Primary data was obtained through topographic survey and questionnaire while Secondary data about the health issues, medical facilities and other allied facilities of
openaire +5 more sources
The article demonstrates that brine was central for the supply of Ca and B to the studied saline lake. The ion transport occurred probably by thermal springs, while contributions from surface waters cannot be excluded. However, the saturation and syndepositional precipitation of Ca borates were initiated by an arid climate through evaporation, while ...
Nevena Andrić‐Tomašević+8 more
wiley +1 more source
IMPROVING THE METHOD OF OPEN-PIT LIGNITE DEPOSITS DEVELOPMENT IN UKRAINE [PDF]
Subject of the research is open-pit mining concerning a full- field industrial development of a number of lignite deposits; feasibility study has been performed for them as for the efficient environmental friendly processing of coal and associated ...
Adamchuk, A.A.+11 more
core
A modern vision of simulation modelling in mining and near mining activity [PDF]
The paper represents the creation of the software simulation system, which reproduce the basic processes of mining and near production. It presents the consideration of such systems for both traditional and non-traditional
Cabana, Edgar+12 more
core +1 more source
Flanders, the coal mining connection
A brief extract from Ed Pickering's 'The Ronde; inside the Tour of Flanders, the World's toughest bike race' (London, 2018). 'Brakel is a small town sitting right in the Flemish Ardennes between Geraardsbergen and Oudenaarde....I got taliking to Guy who works for a software development company in Brussels, a hard commute to and from each day, but he ...
openaire +1 more source
Fine modeling of a three‐dimensional fracture structure under dynamic loading of coal is carried out. The streamline distribution law of pressure and velocity field in the loading process of the coal specimen is analyzed, the absolute permeability of the coal specimen is calculated, and the feasibility of the pore network model algorithm and finite ...
Huazhe Jiao+6 more
wiley +1 more source
Due to alkaline earth metal oxide such as calcium and magnesium being existed in the fly ash, its slurry is alkaline. It’s easy to pollute the underground water when the slurry was filled in the goaf.
Qiuge YU+4 more
doaj +1 more source
Distributed communications and control network for robotic mining [PDF]
The application of robotics to coal mining machines is one approach pursued to increase productivity while providing enhanced safety for the coal miner.
Schiffbauer, William H.
core +1 more source