213 research outputs found
Surface hardening of stainless steel by runaway electronspreionized diffuse discharge in air atmosphere
In this paper we present microhardness measurements of stainless steel surface treated by diffuse discharge in air atmosphere. The cleaning from carbon in comparison to the initial sample was observed at a depth exceeding 20 nm. The oxygen concentration was also increased in comparison to that in the initial sample at a depth of up to about 50 nm. Comparative analysis shows that after treatment the microhardness of stainless steel surface increased in 2 times due to interaction of near-surface layers with product of plasma chemical reactions produced in diffuse discharge
Fundamentals of general and special physical preparation when playing hockey
The paper discusses this topic as the basis of general and special physical preparation when playing hockey. The relevance of the topic stems from the fact that hockey is one of the most difficult types of the Olympic program. Today to achieve outstanding results requires a maximum voltage of physical and spiritual strength, excellence, selfless training for many yearsΠ ΡΠ°Π±ΠΎΡΠ΅ ΡΠ°ΡΡΠΌΠΎΡΡΠ΅Π½Π° ΡΠ°ΠΊΠ°Ρ ΡΠ΅ΠΌΠ° ΠΊΠ°ΠΊ ΠΎΡΠ½ΠΎΠ²Ρ ΠΎΠ±ΡΠ΅ΠΉ ΠΈ ΡΠΏΠ΅ΡΠΈΠ°Π»ΡΠ½ΠΎΠΉ ΡΠΈΠ·ΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΏΠΎΠ΄Π³ΠΎΡΠΎΠ²ΠΊΠΈ ΠΏΡΠΈ Π·Π°Π½ΡΡΠΈΡΡ
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ΠΎΠΊΠΊΠ΅Π΅ΠΌ. ΠΠΊΡΡΠ°Π»ΡΠ½ΠΎΡΡΡ ΡΠ΅ΠΌΡ ΡΠ²ΡΠ·Π°Π½Π° Ρ ΡΠ΅ΠΌ, ΡΡΠΎ Ρ
ΠΎΠΊΠΊΠ΅ΠΉ - ΠΎΠ΄ΠΈΠ½ ΠΈΠ· ΡΡΡΠ΄Π½Π΅ΠΉΡΠΈΡ
Π²ΠΈΠ΄ΠΎΠ² ΠΎΠ»ΠΈΠΌΠΏΠΈΠΉΡΠΊΠΎΠΉ ΠΏΡΠΎΠ³ΡΠ°ΠΌΠΌΡ. Π‘Π΅Π³ΠΎΠ΄Π½Ρ Π΄Π»Ρ Π΄ΠΎΡΡΠΈΠΆΠ΅Π½ΠΈΡ Π²ΡΠ΄Π°ΡΡΠ΅Π³ΠΎΡΡ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠ° ΡΡΠ΅Π±ΡΠ΅ΡΡΡ ΠΌΠ°ΠΊΡΠΈΠΌΠ°Π»ΡΠ½ΠΎΠ΅ Π½Π°ΠΏΡΡΠΆΠ΅Π½ΠΈΠ΅ ΡΠΈΠ·ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΈ Π΄ΡΡ
ΠΎΠ²Π½ΡΡ
ΡΠΈΠ», Π²ΡΡΠΎΠΊΠΎΠ΅ ΠΌΠ°ΡΡΠ΅ΡΡΡΠ²ΠΎ, ΡΠ°ΠΌΠΎΠ·Π°Π±Π²Π΅Π½Π½ΡΠ΅ ΡΡΠ΅Π½ΠΈΡΠΎΠ²ΠΊΠΈ Π½Π° ΠΏΡΠΎΡΡΠΆΠ΅Π½ΠΈΠΈ ΠΌΠ½ΠΎΠ³ΠΈΡ
Π»Π΅
Influence of uv radiation and discharge plasma on feed wheat seeds for acceleration of plants
In a rapidly changing unstable climate, the possible acceleration of plant growth and ripening is critical to food security in at least the region. This problem is especially relevant for areas with risky farming, which includes almost all of Siberia, and the Tomsk region in particular. Here we present the next results of a study of the effect of UV and ionizing radiation on cereals, namely, Iren wheat
Surface modification of aluminum by runaway electron preionized diffuse discharges in different gases at atmospheric pressure
The paper presents the results of an examination of aluminum samples exposed to runaway electron preionized diffuse discharges in air, nitrogen, and argon at atmospheric pressure. The changes in the chemical composition, structure, and hardness of the aluminum surface layers caused by the action of the discharge were investigated. It has been found that the oxygen and carbon concentrations in the surface layers depend on the number of discharge pulses and on the chemical composition of the working gas. The goal of the study was to find possible uses of runaway electron preionized diffuse discharges in research and industry
Surface modification of aluminum by runaway electron preionized diffuse discharges in different gases at atmospheric pressure
Modification of the surface layers of copper by a diffuse discharge in atmospheric pressure air
The paper presents the results of examination of copper samples exposed to a diffuse discharge initiated by a runaway electron beam in air under normal pressure. The changes in the chemical composition of the surface layers of copper caused by the action of the discharge were investigated. It has been found that the oxygen and carbon concentrations in the surface layers depend on the number of discharge pulses. The study was aimed at finding possible ways of using this type of discharge in research and industry
Experimental Study of Sliding Friction for PET Track Membranes
The article is presented results of a study of the process for a dry friction metal-polymer couple on scheme disc-finger. Track membrane from polyethylene terephthalate was a research material. Membrane had pores with 0.4 and 0.8 ΞΌm diameters. The effect of the sliding velocity for membranes with pores of 0.8 microns was determined. Research was shown that increasing pore's diameter caused a reduction of the friction coefficient and downturn its magnitude vibrations. The study showed that track membrane have adequate resistance to wear and can be successfully used in surgical procedures in the layers of the cornea
Modification of the surface layers of copper by a diffuse discharge in atmospheric pressure air
The paper presents the results of examination of copper samples exposed to a diffuse discharge initiated by a runaway electron beam in air under normal pressure. The changes in the chemical composition of the surface layers of copper caused by the action of the discharge were investigated. It has been found that the oxygen and carbon concentrations in the surface layers depend on the number of discharge pulses. The study was aimed at finding possible ways of using this type of discharge in research and industry
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