Results 91 to 100 of about 78,694 (269)
ABSTRACT The pursuit of simultaneously high wear resistance and excellent lubrication in multi‐principal element alloy (MPEA) composites is often hindered by a fundamental trade‐off, which is exacerbated by the agglomeration of high‐content graphene reinforcements.
Wen‐Ting Ye +10 more
wiley +1 more source
Seed beetles of the genus Kytorhinus Fischer de Waldheim, 1809 (Coleoptera: Chrysomelidae: Bruchinae) in the Trans-Volga region and Urals [PDF]
Information on the species composition, distribution and host plants of seed beetles (Chrysomelidae: Bruchinae) of the genus Kytorhinus Fischer de Waldheim, 1809 in the Trans-Volga region and Urals was summarized for the frst time.
S.V. Dedyukhin
doaj +1 more source
This review focuses on the mechanisms of Zn2+ electrodeposition and interfacial failure together with systematical artificial interphase layer design strategies from carbon materials, zincophilic alloys, to inorganic/organic compound layers, regulating ion flux and desolvation and providing guidance for programmable interface construction in aqueous ...
Bixian Chen +12 more
wiley +1 more source
Catholic immigrants in Nineteenth to Twentieth Centuries Urals: Scenarios of Establishing and Maintaining Connectedness [PDF]
Статья посвящена эволюции католических учреждений на Урале. Католики в этом регионе были представлены в основном этно-конфессиональными сообществами поляков, переселившихся из европейской части Российской империи в конце XIX – начале XX вв.
Glavatskaya, E. +1 more
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MINERALOGY IN SOLUTION OF PROBLEMS OF ORIGIN OF QUARTZITES OF THE KYSHTYM SEQUENCE, ILMENOGORSKY COMPLEX [PDF]
The major and accessory minerals, which compose quartzitic layers in metamorphic sequences of the Ilmenogorsky complex, Southern Urals, are studied. The relics of minerals of primary quartz and arkose sandstones, granitic, mafic, and ultramafic rocks ...
V.G. Korinevsky +2 more
doaj
Mineralogy and Formation of a Platinum Placer Deposit, Southern South Island, New Zealand
Placer platinum group minerals (PGM), with subordinate detrital gold, have been concentrated in Pleistocene coastal sands near the present Foveaux Strait shoreline. This study characterises the PGM in what is New Zealand's only identified PGM deposit.
Marshall Palmer, Dave Craw
wiley +1 more source
Рentlandite from ordinary chondrites of the Urals
Some new data on the chemical composition and morphology of the pentlandite from meteorites Ural (H5-6), Kunashak (L5-6), Ozernoye (L5), Severny Kolchim (H3), Kargapole (H4), and Chelyabinsk (LL5) are resulted in the paper. We found a natural decrease in
Yu. V. Erokhin +3 more
doaj
METAMORPHOSED SULFIDE ORES FROM THE LUCHISTOE CU OCCURRENCE, SOUTH URALS [PDF]
Sulfide ores from the Luchistoe copper occurrence, which are metamorphosed under thermal influence of the Mazar granitic intrusion, are similar in mineralogy and petrography with metamorphosed ores from the VHMS and copper scarn deposits of the Urals ...
N.P. Safina +3 more
doaj
Gold nanoparticles are revolutionizing medicine with their unique properties including optical, electrical, physical, and chemical features, as well as surface plasmon resonance. This versatility has positioned GNPs as a cornerstone in nanotechnology, especially within biomedical applications. Their facile synthesis and surface functionalization enable
Nastaran Mohseni +4 more
wiley +1 more source
Did Iraq Cheat the United Nations? Underpricing, Bribes, and the Oil for Food Program [PDF]
From 1997 through early 2003, the United Nations Oil for Food Program allowed Iraq to export oil in exchange for humanitarian supplies. We measure the extent to which this program was corrupted by Iraq's attempts to deliberately set the price of its oil ...
Chang-Tai Hsieh, Enrico Moretti
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