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COMPARATIVE EFFICIENCY OF THE INNOVATIVE "TUMAN" UNITS (A SPRAYER AND A MULTI-INJECTOR) OF OOO "PEGAS-AGRO" (LLC) WHEN APPLYING LIQUID UREA-AMMONIUM NITRATE FERTILIZERS [PDF]

open access: yesVolga Region Farmland, 2022
Due to the increasing demand for liquid fertilizers caused by their better characteristics, especially for arid conditions and in connection with the predicted global warming, agrarian universities of Russia conduct scientific and production researches ...
V.А. Milyutkin, О.N. Kukharev
doaj   +1 more source

Analysis of nanoparticles and nanomaterials using X-ray photoelectron spectroscopy

open access: yesТонкие химические технологии, 2023
Objectives. The main aim of this review is to summarize the existing knowledge on the use of X-ray photoelectron spectroscopy (XPS) for the characterization of nanoparticles and nanomaterials.Results.
A. A. Ischenko   +5 more
doaj   +1 more source

Morphological diversity of the leaves and occurrence forecast of similar forms in natural hazel plantings

open access: yesНовые технологии, 2019
The morphological diversity of quantitative (length, width) and qualitative features (shape, degree of dissection, tip and base shape, surface character, color) of common hazel leaves growing in natural conditions of the North-West Caucasus at the ...
S. G. Biganova   +3 more
doaj   +1 more source

Interpretation of aeromagnetic and remote sensing data of Auchi and Idah sheets of the Benin-arm Anambra basin: Implication of mineral resources

open access: yesOpen Geosciences, 2023
The need for mineral resources for economic development is key in both developing and developed countries. However, miners usually resort to random excavation of mineral deposits without proper investigation to identify structures of interest in target ...
Oni Olubukola A.   +3 more
doaj   +1 more source

High Sensitivity Integrated Visible to Mid-Infrared Nonlinear Plasmonic Sensor

open access: yesIEEE Photonics Journal, 2017
We propose a Kretschmann-based nonlinear plasmonic sensor with a gold thin film deposited on a glass prism. Visible and mid-infrared signals are generated in this configuration through the nonlinear processes of sum- and difference-frequency generation ...
F. Che   +3 more
doaj   +1 more source

An analysis of the trend of protected area size in Serbia in the period from 1948 to 2016 [PDF]

open access: yesGlasnik Šumarskog Fakulteta: Univerzitet u Beogradu, 2017
The process of establishing protected areas in Serbia has been influenced by specific social-economic changes in period after World War II, which have resulted in constant growth of protected area surface and changes in protected area type of ...
Đorđević Ilija   +5 more
doaj   +1 more source

Influence of the surface nanotopography on the electrical resistance of a discrete contact of solids [PDF]

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2017
An influence of micro- and nanoscale deviations of real surfaces of engineering devices from ideal form on the electrical resistance of a discrete contact of solids has been considered.
V.V. Izmailov, M.V. Novoselova
doaj   +1 more source

Geometry and static analysis of thin shells in the form of a diagonal translation surface of the velaroidal type

open access: yesStructural Mechanics of Engineering Constructions and Buildings, 2023
The author presents the results of a study of the geometry and stress-strain state of a surface with a frame of three flat curves in coordinate planes, which have found application today mainly in the shipbuilding industry.
Olga O. Aleshina
doaj   +1 more source

Variability of Surface Reflection Amplitudes of GPR Horn Antenna Depending on Distance between Antenna and Surface

open access: yesCivil and Environmental Engineering, 2016
The study focused on variability of surface reflections amplitudes of GPR horn antenna in relation to distance between an antenna and a surface is presented in the paper.
Komačka Jozef, Porubiaková Andrea
doaj   +1 more source

Exploring the corrosion inhibition capability of FAP-based ionic liquids on stainless steel [PDF]

open access: yesRoyal Society Open Science, 2020
Corrosion is clearly one of the more common causes of materials failure in stainless steel. To manage corrosion, chemical inhibitors are often used for prevention and control.
Julius Kim A. Tiongson   +6 more
doaj   +1 more source

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