Origin of Platinum Group Minerals (PGM) Inclusions in Chromite Deposits of the Urals
This paper reviews a database of about 1500 published and 1000 unpublished microprobe analyses of platinum-group minerals (PGM) from chromite deposits associated with ophiolites and Alaskan-type complexes of the Urals.
Evgenii Pushkarev +2 more
exaly +2 more sources
Mineralogical Features of Ore Diagenites in the Urals Massive Sulfide Deposits, Russia
In weakly metamorphosed massive sulfide deposits of the Urals (Dergamysh, Yubileynoe, Yaman-Kasy, Molodezhnoe, Valentorskoe, Aleksandrinskoe, Saf’yanovskoe), banded sulfides (ore diagenites) are recognized as the products of seafloor supergene alteration
Valeriy Maslennikov +2 more
exaly +2 more sources
Permian Large Igneous Provinces and Their Paleoenvironmental Effects
Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jun Chen, Yi‐Gang Xu
wiley +4 more sources
Influence of biologically active substances, chemicals and growth regulators on diseases of conifers in urban conditions [PDF]
The objects of study were coniferous plants aged from 6 to 10 years. The study involved such plants as Siberian spruce (Pícea obováta), prickly spruce Hoopsi (Picea pungens Hoopsii), western thuja Smaragd (Thuja occidentalis Smaragd), thuja western ...
Lyashcheva Lyudmila +2 more
doaj +1 more source
Study of the stress-strain state of a flexible tubular element of the working body of a tillage machine [PDF]
The designs of the working bodies of tillage and sowing machines are subject to requirements to ensure optimal agrotechnical requirements and minimize energy costs. This can be achieved by creating machines with controlled working bodies that are able to
Pirogov Sergey +3 more
doaj +1 more source
Simulation of a tubular cultivator rack of tillage machines under static and dynamic loads [PDF]
Curved tubes of non-circular cross section are widely used in various fields of technology. The change in the planned operating modes of various technological processes is associated with the wear of the executing mechanisms, which is caused by unstable ...
Pirogov Sergey P. +3 more
doaj +1 more source
Providing citizens of the country with transport infrastructure facilities (on the example of the city of Tyumen) [PDF]
The problems of citizens in providing them with transport infrastructure are considered on the example of the city of Tyumen, the solution of which is possible within the framework of the country's transport strategy.
Masaleva Maria, Nabiullina Victoria
doaj +1 more source
In the condition of modern radiation hazardous production, higher levels of personnel internal exposure are mainly due to the intake of radionuclides in situations caused by faulty equipment or wrong actions of personnel which can or do result in the ...
V. R. Batalov +3 more
doaj +1 more source
Formation of general professional competencies of students in the occupational safety sector [PDF]
The staff schedule includes 8.8 thousand positions of forestry workers, and the average number of employees is 6.8 thousand people. There is a steady shortage of labor resources.
Melyakova O.A., Kuchumova G.V.
doaj +1 more source
Phytosanitary features of pea morphotypes under the conditions of the Tyumen region [PDF]
The selection material and finished varieties of peas for sowing different morphotypes of the grain direction were assessed for the formation of a phytosanitary state and productivity, and the effectiveness of protection methods.
Timofeev V. +5 more
doaj +1 more source

