PHYSICOCHEMICAL CONDITIONS OF FORMATION OF GOLD AND SILVER PARAGENESES AT THE VALUNISTOE DEPOSIT (Chukchi Peninsula)

2019 ◽  
Keyword(s):  
Chukchi Peninsula ◽  
Physicochemical Conditions

PHYSICOCHEMICAL CONDITIONS OF COMPLEX DIFFUSION SATURATION OF METAL SURFACES WITH TITANIUM AND CHROMIUM

2017 ◽  
Vol 21 (3) ◽  
pp. 239-250
Author(s):  
A. I. Dehula ◽  
N. A. Kharchenko ◽  
T. P. Hovorun ◽  
V. G. Khizhniak ◽  
T. V. Loskutova ◽  
...  
Keyword(s):  
Metal Surfaces ◽  
Diffusion Saturation ◽  
Physicochemical Conditions ◽  
Complex Diffusion

Mineralogical-petrographic Features of Syenitic Migmatites of the Ilmenogorsky Miaskite Block (South Urals)

2019 ◽  
Vol 5 ◽  
pp. 26-37
Author(s):  
А.B. Nemov ◽  
E.V. Medvedeva ◽  
V.A. Kotlyarov ◽  
I.A. Blinov
Keyword(s):  
South Urals ◽  
Mineral Formation ◽  
Physicochemical Conditions ◽  
Late Generation

Syenitic migmatites of the contact of the Ilmenogorsky miaskite block are characterized by high (>500 ppm) contents of REEs, which are mainly hosted in fuorapatite and titanite of the leucosome. Apatite exhibits zoned and sectorial composition with decreasing REE and Si contents and increasing Cа, P, and F contents from central parts to the margins indicating the change in physicochemical conditions of mineral formation. The La/Nd ratios of REE-bearing fuorapatite indicate that apatite-1 formed from a F-bearing fuid in contrast to apatite-2 formed from an alkaline, F–CO2–SO3-rich fuid during albitization. The REEs and F released by alkaline metasomatism accumulated in late generation of REE–F-bearing titanite. Migmatization of rocks was accompanied by involvement of an alkaline F–CO2–SO3-bearing fuid.

Calculation of Physicochemical Conditions of the Formation of Protective Coatings Based on Carbides and Nitrides of Chromium

2020 ◽  
Vol 12 (3) ◽  
pp. 03038-1-03038-4
Author(s):  
N. A. Kharchenko ◽  
◽  
A. I. Dehula ◽  
V. G. Hignjak ◽  
Т. P. Hоvоrun ◽  
...  
Keyword(s):  
Protective Coatings ◽  
Physicochemical Conditions

Optimization of Physicochemical Conditions for the Phenanthrene Degrading Consortium NS-PAH-2015-PNP-5

2022 ◽  
pp. 1-12
Author(s):  
Suryakant Panchal ◽  
Rajneesh Jaryal ◽  
Ruchi Urana ◽  
Manju Bala Bishnoi ◽  
Namita Singh
Keyword(s):  
Physicochemical Conditions

scholarly journals Physicochemical Conditions for Adsorption of Lead from Water by Rice Husk Ash

BioResources ◽  
2016 ◽  
Vol 12 (1) ◽  
Author(s):  
Chidozie Charles Nnaji ◽  
Chinwe J. Ebeagwu ◽  
Emmanuel Ikechukwu Ugwu
Keyword(s):  
Rice Husk ◽  
Rice Husk Ash ◽  
Physicochemical Conditions

Physicochemical Conditions of Crystallization of Rocks from Ultrabasic Massifs of the Siberian Platform

2017 ◽  
Vol 11 (6) ◽  
pp. 447-468 ◽  
Author(s):  
V. A. Simonov ◽  
V. S. Prikhod’ko ◽  
Yu. R. Vasiliev ◽  
A. V. Kotlyarov
Keyword(s):  
Siberian Platform ◽  
Physicochemical Conditions
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