Results 31 to 40 of about 196,443 (310)
, 2015 Обґрунтована необхідність врахування шламоутворення вугілля при плануванні якісно-кількісних показників роботи вуглезбагачувальної фабрики. Наведена методика визначення коефіцієнту шламоутворення технологічної схеми фабрики.Обоснована необходимость учета
Полулях, А.Д. +1 more
core
Advanced Functional Materials, EarlyView.This review systematically highlights the latest achievements in mixed‐valence states relevant to hydrogen and oxygen evolution reactions, providing essential insights into future directions and methods for large‐scale practical implementation. This critical review is expected to provide an overview of recent advancements in diverse valence‐state metal
Jitendra N. Tiwari +4 more
wiley +1 more source
Meitan kexue jishuIn order to realize the automation, digitalization and intelligence of the whole process of coal preparation, the intelligent control system of coal preparation plant based on the Internet of mining industry is built, and the intelligent control platform
Binxue SHEN
doaj +1 more source
Statistically modelling of coal flotation in a pilot plant scale column cell [PDF]
International Journal of Mining and Geo-EngineeringThe objective of this study was to investigate the impact of various operational parameters, including aeration rate, feed flow rate, collector and frother dosage, on the efficiency of coal flotation.
Sajad Mohammadnejad +2 more
doaj +1 more source
Geofluids, 2022 Increasing the efficiency of coal preparation is the key link of mine production. This study proposed a framework of coal preparation for life cycle based on Building Information Modeling (BIM), in which the data resources can be retransmitted, and the ...
Jian Chen +4 more
doaj +1 more source
Assessment of mining activities with respect to the environmental protection [PDF]
, 2017 This paper deals with the impact of mining on the environment. Coal mining is still among the most widespread and most intense mining activity, which disturbs the landscape around us bringing regional environmental, economic and aesthetic problems ...
Dirner, Vojtech +3 more
core
Optimizing wavelet neural networks using modified cuckoo search for multi-step ahead chaotic time series prediction [PDF]
, 2019 Determining the optimal number of hidden nodes and their proper initial locations are essentially crucial before the wavelet neural networks (WNNs) start their learning process.
Huda A. Majid +6 more
core +1 more source
3D‐Printed Porous Hydroxyapatite Formed via Enzymatic Mineralization
Advanced Functional Materials, EarlyView.Bone combines lightness, strength, and the ability to heal, inspiring new materials design. This work introduces a room‐temperature, enzyme‐mediated 3D printing method to create porous hydroxyapatite scaffolds. The process avoids energy‐intensive sintering, preserves bioactivity, and allows control over porosity and mineralization.
Francesca Bono +6 more
wiley +1 more source
Canadian coal preparation plants
, 1986 All Canadian coal destined for export abroad or to distant domestic markets must be beneficiated to remove mineral matter and to produce a high-quality, uniform, saleable, thermal or coking coal product. The geological setting in which coal is mined in Canada varies in the extreme; from steep, thick, often contorted seams in the mountains of western ...
openaire +1 more source
Advanced Functional Materials, EarlyView.Inspired by natural silicified wood, a biomimetic mineralized chitin‐derived aerogel is constructed. It can withstand 81 000 times its own weight, and its backside temperature is 130.4°C after exposure to ∼1300°C butane flame for 600 s, exhibiting high‐strength, fire‐resistance, and super thermal‐insulation properties.
Kai Xu +11 more
wiley +1 more source