Results 1 to 10 of about 23,139 (120)

Effect of Rare Earth Cerium Addition on Oxidation Behavior of Co-Al-W Alloys at 800°C [PDF]

open access: yesArchives of Metallurgy and Materials, 2022
The γ/γ′ Co-based alloys are a new class of cobalt superalloys, which are characterized by remarkable high temperature strength owing to strengthening by γ′-Co3(Al, X) phases.
D. Migas, T. Liptáková, G. Moskal
doaj   +1 more source

New ore-magmatic ring-type structure in the Muzkol-Rangkul anticlinorium, Central Pamir

open access: yesИзвестия высших учебных заведений: Геология и разведка, 2023
Background. The minerogenic specialization of the Muzkol-Rangkul anticlinorium consists in industrial gemstone deposits of ruby, cordierite, almandine, aquamarine, topaz, tourmaline, scapolite, etc. Large ore objects in this area are unknown.
A. K. Litvinenko, Sh. A. Odinaev
doaj   +1 more source

Transitional Gabbroic Rocks in Bayah Geological Complex, Western part of Java, Indonesia, Inferred from XRF, ICP-MS, and Microprobe Analysis

open access: yesJGEET: Journal of Geoscience, Engineering, Environment and Technology, 2021
Gabbro, is a fossil remnant of oceanic crust in western part of Java, found at Bayah Geological Complex (BGC) and Ciletuh Melange Complex (CMC), Indonesia.
Aton Patonah   +2 more
doaj   +1 more source

EFFECT OF SOWING DATA AS WELL AS NITROGEN FERTILIZER LEVEL ON GROWTH, YIELD AND DRY SEED QUALITY OF COWPEA PLANT. [PDF]

open access: yesJournal of Plant Production, 2002
A field experiment was carried out at Parra moon Experimental farm (EI- Dakahlia Govenorate) during 1998 and 1999 seasons to evaluate the productivity of cow pea (cream 7 c.v.) at three sowing dates started on 10 May with 20 days intervals and three ...
A. Moghazy, EI-Sh. Ameen, M. Tolba,
doaj   +1 more source

Characterization of steel slag by SEM-EDS, XRD, and INAA

open access: yesBrazilian Journal of Radiation Sciences, 2021
Steel slag is considered a by-product of the steel industry and its reuse is a strategy for environmental protection, since it consists of potential polluting materials.
Diogo Teixeira Moreira   +2 more
doaj   +1 more source

MINERALOGICAL-GEOCHEMICAL FEATURES OF ZIRCON FROM THE KUMIR GRANITIC STOCK, GORNY ALTAI [PDF]

open access: yesМинералогия, 2022
Data on U-Pb age and composition of zircon from the Kumir granitic stock (Gorny Altai) and related greisens are presented for the first time. The magmatic, metamictic and pneumatolytic-hydrothermal zircons exhibit specific changes in main and trace ...
A.I. Gusev
doaj   +1 more source

Scientific substantiation and development of innovative processes for the extraction of zirconium and rare earth elements in the deep and comprehensive treatment of eudialyte concentrate

open access: yesЗаписки Горного института, 2022
Based on a package of modern analysis methods, the influence of various acids and energy effects on the morphology, elemental composition, structural and chemical transformations of the mineral surface, and the efficiency of eudialyte concentrate ...
Valentin A. Chanturiya
doaj   +1 more source

Some features of rare-earth element distribution in surface sediments of Tonkin Bay (South China Sea)

open access: yesВестник Камчатской региональной ассоциации "Учебно-научный центр". Серия: Науки о Земле, 2022
The peculiarities of the rare-earth elements distribution in the surface bottom sediments in the Gulf of Tonkin (South China Sea) are considered. According to the results of granulometric analysis, the sediments are mainly represented by pelitic silt ...
Легкодимов А.А.   +2 more
doaj   +1 more source

A Special Rare-earth Mineral —Eudialyte

open access: yesKuangchan zonghe liyong, 2023
This is an essay in the field of earth science, which mainly reviews the basic characteristics of eudialyte, a rare earth-containing mineral in alkaline rocks.
Wei Chen, Jiayun Zhou
doaj   +1 more source

Occurrence of rare earth element and yttrium (REY) in Tanjung formation coking coal from Sekako area, Central Kalimantan [PDF]

open access: yesE3S Web of Conferences, 2020
Inorganic geochemistry of coal become a point of interest on coal study, especially relating with the occurrence of rare earth element. Tanjung Formation is one of coking coal bearing deposits in Barito Basin, Central Kalimantan.
Amijaya Hendra   +2 more
doaj   +1 more source

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