Results 21 to 30 of about 611,454 (310)
The reefcube, a modular structure, serves as a primary habitat for fish and aids in the recruitment of new coral. The reefcube is predominantly made from fly ash and nickel slag, by-products of pyrometallurgy process that contain high content of CaO, MgO,
Prasari Riski Hutami +3 more
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Se evaluó el desempeño de las variables e indicadores económicos en la empresa extractiva Materiales de la Construcción. La investigación se desarrolló a través de 7 etapas metodológicas que posibilitaron evaluar los principales indicadores de la ...
Dailén González-Martín +2 more
doaj
The occurrence of disasters in deep mining engineering has been confirmed to be closely related to the external dynamic disturbances and geological discontinuities. Thus, a combined finite-element method was employed to simulate the failure process of an
Fan Feng +5 more
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Anchoring zero valence single atoms of nickel and iron on graphdiyne for hydrogen evolution
Electrocatalysis by atomic catalysts is a major focus of chemical and energy conversion effort. Although transition-metal-based bulk electrocatalysts for electrochemical application on energy conversion processes have been reported frequently, anchoring ...
Yurui Xue +8 more
semanticscholar +1 more source
Nickel-Catalyzed Dicarbofunctionalization of Alkenes.
1,2-Dicarbofunctionalization of alkenes has emerged as an efficient synthetic strategy for preparing substituted molecules by coupling readily available alkenes with electrophiles and/or nucleophiles.
Xiaoxu Qi, Tianning Diao
semanticscholar +1 more source
Thermal Conductivity Model Analysis of Unsaturated Ice-Containing Soil
In cold locales, the thermal conductivity of soil porous media varies according to their composition and the phase state of the substance contained within the pore space.
Qiang Han, Zhiguo Wang, Rui Qin
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Nickel‐rich layered lithium transition metal oxides (LiNi1−x−yCoxMnyO2 and LiNi1−x−yCoxAlyO2, x + y ≤ 0.2) are the most attractive cathode materials for the next generation lithium‐ion batteries for automotive application.
Gui‐Liang Xu +5 more
semanticscholar +1 more source
Removal and Recycling of Antimony in a Gold Concentrate
In this article, antimony was removed from the gold concentratebythe alkali leaching method, and then the recovery of antimony solution was also studied.
Jinquan GUO +5 more
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Dynamic and static analysis of a kind of novel J energy-releasing bolts
Energy-absorbing rockbolt is now recognized as an important support element in deep mines around the world. A novel kind of energy-absorbing bolt called J-bolt was developed, which consists of anchoring (damping) module, deformation module, blending ...
Xingdong Zhao +5 more
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Alkyl Carbon-Carbon Bond Formation by Nickel/Photoredox Cross-Coupling.
The union of photoredox and nickel catalysis has resulted in a renaissance in radical chemistry as well as in the use of nickel-catalyzed transformations, specifically for carbon-carbon bond formation.
John A. Milligan +3 more
semanticscholar +1 more source

