Results 101 to 110 of about 218,332 (315)
Coal mining practice in district VI [PDF]
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.
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Current Situation of Development and Utilization and Directions of Mineral Resources in Ningxia
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
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]
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
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De Novo Autogenic Engineered Living Functional Materials
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
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
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A Note on the Flare Stars in the Coalsack
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
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]
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
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