Results 51 to 60 of about 398,560 (209)
Heat Exchange and Fouling Analysis on a Set of Hydrogen Sulphide Gas Coolers
Minería y Geología, 2017 The sulphide acid coolers are tube and shell jacketed heat exchangers designed to cool down the produced gas from 416,15 K to 310,15 K in addition to separate the sulphur carried over by the outlet gas from the reactor tower.
Andrés Adrian Sánchez-Escalona +3 more
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Phytoplankton communities in different season in the coastal area of Kawasi, the western part of Obi Island, North Maluku, Indonesia [PDF]
BIO Web of ConferencesPlankton communities are one of the groups monitored to assess environmental conditions. West Obi Island is known for its fisheries resources and is one of Indonesia’s largest Nickel mining areas in North Maluku, Indonesia.
Lestari Dea Fauzia +9 more
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EFFECTIVE CONTROL SYSTEM OF THE INTEGRATED INDUSTRIAL COMPANY
Модернизация, инновация, развитие, 2016 In article the organizational and administrative structure of the integrated metallurgical company is investigated. It is shown that linearly – a staff control system to become a limiting factor in its development.
K. A. Dyundik
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Nickel-Catalyzed Silaborative Dimerization of Alkynes [PDF]
, 2016 Double insertion of alkynes into the Si−B bond of (dimethylphenylsilyl)pinacolborane proceeded in the presence of nickel(0) catalysts to give cis,cis-1-silyl-4-boryl-1,3-butadiene derivatives in a regio- and stereoselective manner. Involvement of (silyl)(
Michinori Suginome (1488484) +2 more
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Application and Development of Smart Mine in China [PDF]
MATEC Web of Conferences, 2019 The development of coal mining from ancient times to today has experienced the artificial stage, the mechanized mining stage, and the automated mining stage. Now it is developing towards a safer, greener and more efficient unmanned and smart mine.
Xu Ying +3 more
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SensorsWith the widespread application of acoustic emission (AE) technology in geotechnical engineering, effectively separating and identifying dense AE signals generated during rock fracturing remains a critical challenge.
Dexian Li +6 more
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Nickel-Catalyzed Intramolecular Direct Arylation of Imines toward Diverse Indoles [PDF]
, 2019 An efficient nickel-catalyzed intramolecular direct arylation of imines with challenging aryl chlorides has been developed. The versatile nickel catalysis made use of easily accessible imines and delivered diversely decorated 2-arylindoles of ...
Shanshan Chen +15 more
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Online Learning Activities: Beginning An International Collaboration
International Review of Research in Open and Distributed Learning, 2002 Early Sunday morning, April 1, 2001, a U.S. Navy EP-3E Aries II surveillance plane collided with a Chinese fighter jet, causing the death of the Chinese pilot and forcing an emergency landing by the U.S.
Tom Nickel
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Review on recovery of valuable metals from complex copper–cobalt co-associated mines
工程科学学报Copper and cobalt, both strategic metals, play an indispensable role in many fields, such as national infrastructure and defense science and technology. Copper, one of the earliest nonferrous metals discovered, extracted, and applied by humans, teams up ...
Xiang LI +5 more
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Nickel-Catalyzed Asymmetric Kumada Cross-Coupling of Symmetric Cyclic Sulfates [PDF]
, 2016 Nickel-catalyzed enantioselective cross-couplings between symmetric cyclic sulfates and aromatic Grignard reagents are described. These reactions are effective with a broad range of substituted cyclic sulfates and deliver products with asymmetric ...
James P. Morken (1316316) +2 more
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