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Coal mining practice in district VI [PDF]

open access: yes, 1914
Made available in DSpace on 2013-03-29T20:16:10Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) coalminingpracti08andr.pdf: 5135657 bytes, checksum: bd3994e13e7752611c60635b9ad807f8 (MD5) Previous ...
Andros, S.O.
core  

Current Situation of Development and Utilization and Directions of Mineral Resources in Ningxia

open access: yesKuangchan zonghe liyong
This is an article in the field of mining engineering. The mineral resources are an important material basis for economic and social development. Figure out the background and development and utilization of mineral resources has a great significance for ...
Fenghua MA   +3 more
doaj   +1 more source

Mechanistically Interpretable Artificial Intelligence for Designing Oxygen Electrocatalysts

open access: yesAdvanced Materials, EarlyView.
Mechanistically interpretable artificial intelligence screens nearly seven million perovskite compositions and identifies key descriptors—d‐p hybridization and densification resistance—that govern oxygen electrocatalysis. The discovered BaCo0.8Nb0.1Zr0.1O3‐δ achieves a record 2.68 W cm−2 peak power density at 600°C with over 500 h of durable operation ...
Xueyu Hu   +15 more
wiley   +1 more source

Review on quarrying methods suitable for space mining missions [PDF]

open access: yes
In this review paper, existing mining techniques and technologies are scrutinized for the purpose of superterrestrial use. Different aspects and challenges of a space mining mission are examined in light of the viable iron-nickel quarry operation on M ...
Zhang, Zong-Xian, Chpolianski, Daniel
core   +1 more source

De Novo Autogenic Engineered Living Functional Materials

open access: yesAdvanced Materials, EarlyView.
A versatile platform for de novo autogenic engineered living materials is presented, leveraging protein mining, computational modeling, and synthetic biology. By reprogramming the Escherichia coli curli machinery with β‐solenoid proteins from non‐model bacteria, macroscopic biomaterials with enhanced mechanical properties, UV‐C irradiation protection ...
Hoda M. Hammad   +9 more
wiley   +1 more source

Justification of the approaches to improve management strategy of the mining system based on the analysis of data on the mining of complex structural rock blocks

open access: yesЗаписки Горного института
Long-term activity of mining enterprises causes the necessity to substantiate the strategies of management of the mining and technical system functioning in terms of improvement of ore quality control, which is determined by its change in the course of ...
Mariya V. Tsupkina   +3 more
doaj  

A Note on the Flare Stars in the Coalsack

open access: yesJournal of Mathematical and Fundamental Sciences, 2019
Ringkasan. Didalam tulisan ini dilaporkan penemuan 5 buah "flare stars" di daerah Coalsack.  Abstract. The discovery of 5 flare stars in the Coalsack is reported. 
B. Hidajat, A. Kuncoro
doaj  

Photocatalytic Water Splitting on the Lunar Surface: Prospects for In Situ Resource Utilization

open access: yesAdvanced Materials Interfaces, EarlyView.
Water has been found in craters on the moon nearby locations which are illuminated >80% of the time. Photocatalysis uses energy from sunlight to drive chemical reactions such as water splitting to produce oxygen and hydrogen. It is a scalable technology that requires lighter equipment and utilizes resources available on the moon. ABSTRACT The discovery
Ranjani Kalyan   +6 more
wiley   +1 more source

WEB MINING IN E-COMMERCE [PDF]

open access: yes
Recently, the web is becoming an important part of people’s life. The web is a very good place to run successful businesses. Selling products or services online plays an important role in the success of businesses that have a physical presence, like a ...
Istrate Mihai
core  

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