Results 11 to 20 of about 462,132 (301)

Investigation of electroless nickel undercoat for duplex nickel chromium electrodeposition onto aluminium and its alloys [PDF]

open access: yes, 2009
A thesis submitted in partial fulfillment of the requirement of the University of Wolverhampton for the Degree of Master of Philosophy.The study investigates the deposition of a multilayer coating onto two aluminium alloys: Al 1050 and Al 6061.
Muhammad Enam Khan, Khan, Muhammad Enam
core   +3 more sources

Rheological properties and resistance evolution of cemented unclassified tailings-waste rock paste backfill

open access: yes工程科学学报, 2023
Coarse aggregate paste filling is the core direction of today’s mine development. The coarse aggregate filling can effectively reduce the discharge of the solid mine waste, which is conducive to the realization of safe, clean, and efficient mining of the
Sheng-hua YIN   +5 more
doaj   +1 more source

THE DETERMINATION OF NICKEL IN NICKEL-STEEL. [PDF]

open access: yesJournal of the American Chemical Society, 1899
n ...
openaire   +2 more sources

Soldadura del acero ASTM 615 con diferentes tipos de electrodos

open access: yesCiencia & Futuro, 2022
Se estableció el comportamiento microestructural en barra de acero estructural del tipo ASTM A615 grado 60 G. La unión de las barras se realizó a tope con bisel a 60o con electrodos E 6010 y E 7018, se determinó el comportamiento microestructural, el ...
Gioelkis Espinosa-Batista   +3 more
doaj  

Analysis of Support Design in Weak Rock Drift Using a Systematic Approach

open access: yesAdvances in Civil Engineering, 2020
The aim of this study is to develop a systematic approach for support design of weak rock drift based on empirical, analytical, and numerical method, which is employed to estimate weak rock support demand and design support system.
Xingdong Zhao   +4 more
doaj   +1 more source

DETERMINATION OF NICKEL IN NICKEL-STEEL. [PDF]

open access: yesJournal of the American Chemical Society, 1894
n ...
openaire   +1 more source

Electrochemical oxidation of binary copper-nickel alloys in cryolite melts [PDF]

open access: yes, 2007
Anodic oxidation of copper, nickel and two copper-nickel alloys was studied in cryolite melts at 1000°C. In an oxide-free melt, anodic dissolution of each material was observed, and the dissolution potential increases with the content of copper.
Palau, Patrice   +5 more
core   +1 more source

Coral recruitment enhancement in fish shelter media composed of fly ash and nickel slag on Obi Island, South Halmahera

open access: yesDepik Jurnal
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
doaj   +1 more source

Indicadores económicos para evaluar la sostenibilidad de la empresa extractiva Materiales de Construcción a través del Método Multicriterio

open access: yesCiencia & Futuro, 2022
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  

Removal and Recycling of Antimony in a Gold Concentrate

open access: yesKuangchan zonghe liyong
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
doaj   +1 more source

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