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]

open access: yes, 2013
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

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
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

open access: yesInternational Journal of Occupational Safety and Health, 2017
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

Contributions of arid climate and hydrothermal fluid flow on sedimentation in saline‐alkaline lakes: Insight from the Ibar intramontane basin (Southern Serbia)

open access: yesThe Depositional Record, EarlyView.
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]

open access: yes, 2018
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]

open access: yes, 2018
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

open access: yes, 2022
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

In situ loading of a pore network model for quantitative characterization and visualization of gas seepage in coal rocks

open access: yesDeep Underground Science and Engineering, EarlyView.
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

Study on efficient mineralization method of fly ash based on three-stage division in reaction process

open access: yesMeitan kexue jishu
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]

open access: yes
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

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