31 research outputs found
Experimental study of timers implemented in bipolar and cmos technologies
Π Π΄Π°Π½Π½ΠΎΠΉ ΡΡΠ°ΡΡΠ΅ ΠΈΡΡΠ»Π΅Π΄ΡΡΡΡΡ ΠΌΠΈΠΊΡΠΎΡΡ
Π΅ΠΌΡ ΡΠ°ΠΉΠΌΠ΅ΡΠΎΠ², Π²ΡΠΏΠΎΠ»Π½Π΅Π½Π½ΡΡ
ΠΏΠΎ Π±ΠΈΠΏΠΎΠ»ΡΡΠ½ΠΎΠΉ ΠΈ ΠΠΠΠ ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΡΠΌ. ΠΡΠΈΠ²ΠΎΠ΄ΡΡΡΡ ΡΠ°ΡΡΠ΅ΡΡ, Π° ΡΠ°ΠΊΠΆΠ΅ ΠΏΡΠ°ΠΊΡΠΈΡΠ΅ΡΠΊΠ°Ρ ΡΠ΅Π°Π»ΠΈΠ·Π°ΡΠΈΡ ΠΈ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ ΡΠΊΡΠΏΠ΅ΡΠΈΠΌΠ΅Π½ΡΠ°. ΠΠ΅Π»Π°Π΅ΡΡΡ Π²ΡΠ²ΠΎΠ΄ ΠΎ ΡΠΎΠΌ, ΠΊΠ°ΠΊΠΎΠΉ ΠΈΠ· Π³Π΅Π½Π΅ΡΠ°ΡΠΎΡΠΎΠ², Π² ΠΎΡΠ½ΠΎΠ²Π΅ ΠΊΠΎΡΠΎΡΡΡ
Π»Π΅ΠΆΠ°Ρ ΡΠ°ΠΉΠΌΠ΅ΡΡ, Π±ΠΎΠ»Π΅Π΅ Π΄ΠΎΠ»Π³ΠΎΠ²Π΅ΡΠ΅Π½ ΠΈ ΡΠΊΠΎΠ½ΠΎΠΌΠΈΡΠ΅Π½ Π² ΠΎΡΠ½ΠΎΡΠ΅Π½ΠΈΠΈ ΠΊ ΠΏΠΎΡΡΠ΅Π±Π»Π΅Π½ΠΈΡ ΡΠ»Π΅ΠΊΡΡΠΎΡΠ½Π΅ΡΠ³ΠΈΠΈ.In this article, we study the timer ICs implemented in bipolar and CMOS technologies. Calculations of the circuit components are given, as well as practical implementation and experimental results. We determine which of the timers based generators is better with respect to energy consumption
Formation and investigation of micro-arc Sr-containing calciumphosphate biocoatings on Mg-0.8 Ca alloy
The investigation of the XRD analysis, thickness, masses and roughness of Sr-substituted calcium phosphate coatings on the Mg-0.8Ca substrate deposited by the micro arc oxidation method under different process voltages was performed. The increase of the process voltage leads to the growth of the thickness, masses and roughness of the coatings. Results of XRD analysis showed that the Sr-CaP coatings formed under the process voltages of 350-450 V are contained Ξ±-Ca[3](PO[4])[2], Mg[3](PO[4])[2] and Mg phases
ΠΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ Π²ΠΎΠ΄ΠΎΠΌΠ°ΡΠ»ΡΠ½ΡΡ ΡΠΌΡΠ»ΡΡΠΈΠΉ Ρ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ΠΌ ΠΌΠΎΠ΄ΠΈΡΠΈΡΠΈΡΠΎΠ²Π°Π½Π½ΡΡ Π½Π΅ΡΡΠ΅ΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΠ½ΡΡ ΡΠΌΠΎΠ»
ΠΠ΅ΡΠ΅Π²ΠΎΠ΄Ρ ΠΈ ΠΏΠ΅ΡΠ΅Π²ΠΎΠ΄ΡΠΈΠΊΠΈ: ΠΎΡΠ½ΠΎΠ²Π½ΡΠ΅ ΠΏΠΎΠ΄Ρ ΠΎΠ΄Ρ ΠΊ ΠΏΠ΅ΡΠ΅Π²ΠΎΠ΄Ρ ΠΏΡΠΎΠΈΠ·Π²Π΅Π΄Π΅Π½ΠΈΠΉ Π. Π. Π§Π΅Ρ ΠΎΠ²Π° Π½Π° Π°Π½Π³Π»ΠΈΠΉΡΠΊΠΈΠΉ ΡΠ·ΡΠΊ (Π² ΠΈΡΡΠΎΡΠΈΡΠ΅ΡΠΊΠΎΠΌ Π°ΡΠΏΠ΅ΠΊΡΠ΅)
Π Π°Π·ΡΠ°Π±ΠΎΡΠΊΠ° ΡΠΈΡΡΠ΅ΠΌ Π΄ΠΈΡΠΊΡΠ΅ΡΠ½ΠΎΠ³ΠΎ Π³ΠΈΠ΄ΡΠΎΠΏΡΠΈΠ²ΠΎΠ΄Π° Ρ ΡΠΎΠ½ΠΊΠΈΠΌ ΡΠΎΡΠΌΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ ΠΈΠΌΠΏΡΠ»ΡΡΠΎΠ² ΡΠ°ΡΡ ΠΎΠ΄Π°
ΠΡΠΈΠ²Π΅Π΄Π΅Π½ Π°Π½Π°Π»ΠΈΠ· ΡΡΡΠ΅ΡΡΠ²ΡΡΡΠΈΡ
ΡΠΏΡΠ°Π²Π»ΡΡΡΠΈΡ
Π³ΠΈΠ΄ΡΠΎΠ°ΠΏΠΏΠ°ΡΠ°ΡΠΎΠ², ΠΎΠ±ΠΎΡΠ½ΠΎΠ²Π°Π½Π° Π½Π΅ΠΎΠ±Ρ
ΠΎΠ΄ΠΈΠΌΠΎΡΡΡ ΡΠ°Π·ΡΠ°Π±ΠΎΡΠΊΠΈ ΠΈ ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΡΡΠ²Π° Π½ΠΎΠ²ΠΎΠ³ΠΎ ΠΊΠ»Π°ΡΡΠ° Π³ΠΈΠ΄ΡΠΎΠ°ΠΏΠΏΠ°ΡΠ°ΡΠΎΠ² Π΄ΠΈΡΠΊΡΠ΅ΡΠ½ΠΎΠ³ΠΎ Π΄Π΅ΠΉΡΡΠ²ΠΈΡ, ΡΠΏΡΠ°Π²Π»ΡΠ΅ΠΌΡΡ
ΡΡΡΡΠΎΠΉΡΡΠ²Π°ΠΌΠΈ Π§ΠΠ£, Π΄Π°Π½ΠΎ ΠΎΠΏΠΈΡΠ°Π½ΠΈΠ΅ ΠΊΠΎΠ½ΡΡΡΡΠΊΡΠΈΠΈ ΠΈ ΠΏΡΠΈΠ½ΡΠΈΠΏΠ° ΡΠ°Π±ΠΎΡΡ Π΄ΠΈΡΠΊΡΠ΅ΡΠ½ΠΎΠ³ΠΎ ΡΠ΅Π³ΡΠ»ΡΡΠΎΡΠ° ΡΠ°ΡΡ
ΠΎΠ΄Π°, ΠΏΡΠΈΠ²Π΅Π΄Π΅Π½Ρ ΡΡ
Π΅ΠΌΠΎΡΠ΅Ρ
Π½ΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠ΅ΡΠ΅Π½ΠΈΡ ΡΠΈΡΡΠ΅ΠΌ Π΄ΠΈΡΠΊΡΠ΅ΡΠ½ΠΎΠ³ΠΎ ΡΠΏΡΠ°Π²Π»Π΅Π½ΠΈΡ Π³ΠΈΠ΄ΡΠΎΠΏΡΠΈΠ²ΠΎΠ΄ΠΎΠΌ.The analysis of the existing hydraulic control devices is given, the necessity of development and production of a new class of discrete-action hydraulic devices controlled by CNC devices is substantiated, a description of the design and operating principle of the discrete flow regulator is given, schematic solutions of discrete control systems of hydraulic drive are presented
Π’Π΅Ρ Π½ΠΎΠ»ΠΎΠ³ΠΈΡ ΡΠ±ΠΎΡΠΊΠΈ ΠΈ ΡΠ²Π°ΡΠΊΠΈ Π·Π°ΡΠΈΡΠ½ΠΎΠΉ Π³ΠΈΠ»ΡΠ·Ρ ΡΠΎΡΠΎΡΠ° ΡΠ΅Π½ΡΡΠΎΠ±Π΅ΠΆΠ½ΠΎΠ³ΠΎ Π½Π°ΡΠΎΡΠ°
Π ΠΏΡΠΎΡΠ΅ΡΡΠ΅ ΡΠ°Π±ΠΎΡΡ ΠΏΡΠΎΠ²ΠΎΠ΄ΠΈΠ»Π°ΡΡ ΡΠ°Π·ΡΠ°Π±ΠΎΡΠΊΠ° ΠΈ ΡΡΠΎΠ²Π΅ΡΡΠ΅Π½ΡΡΠ²ΠΎΠ²Π°Π½ΠΈΠ΅ ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΏΡΠΎΡΠ΅ΡΡΠ° ΡΠ±ΠΎΡΠΊΠΈ ΠΈ ΡΠ²Π°ΡΠΊΠΈ Π·Π°ΡΠΈΡΠ½ΠΎΠΉ Π³ΠΈΠ»ΡΠ·Ρ ΡΠΎΡΠΎΡΠ°. Π ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠ΅ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΠΈ ΡΡΠ°Π²Π½Π΅Π½ΠΈΡ ΠΏΡΠΈΠ΅ΠΌΠ»Π΅ΠΌΡΡ
ΡΠΏΠΎΡΠΎΠ±ΠΎΠ² ΡΠ²Π°ΡΠΊΠΈ Π±ΡΠ»Π° Π·Π°ΠΌΠ΅Π½Π΅Π½Π° ΡΡΡΠ½Π°Ρ Π΄ΡΠ³ΠΎΠ²Π°Ρ ΡΠ²Π°ΡΠΊΠ° Π½Π΅ΠΏΠ»Π°Π²ΡΡΠΈΠΌΡΡ ΡΠ»Π΅ΠΊΡΡΠΎΠ΄ΠΎΠΌ Π² ΡΡΠ΅Π΄Π΅ Π·Π°ΡΠΈΡΠ½ΠΎΠ³ΠΎ Π³Π°Π·Π° Π½Π° Π°Π²ΡΠΎΠΌΠ°ΡΠΈΡΠ΅ΡΠΊΡΡ ΡΠ²Π°ΡΠΊΡ Π½Π΅ΠΏΠ»Π°Π²ΡΡΠΈΠΌΡΡ ΡΠ»Π΅ΠΊΡΡΠΎΠ΄ΠΎΠΌ Π² ΡΡΠ΅Π΄Π΅ Π·Π°ΡΠΈΡΠ½ΠΎΠ³ΠΎ Π³Π°Π·Π°, Π²ΡΠ±ΡΠ°Π½ΠΎ ΡΠ²Π°ΡΠΎΡΠ½ΠΎΠ΅ ΠΎΠ±ΠΎΡΡΠ΄ΠΎΠ²Π°Π½ΠΈΠ΅, ΡΠ²Π°ΡΠΎΡΠ½ΡΠ΅ ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»Ρ, ΠΏΠΎΡΡΠΈΡΠ°Π½Ρ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΡ ΡΠ΅ΠΆΠΈΠΌΠ° ΡΠ²Π°ΡΠΊΠΈ.In the process of work, the development and improvement of the technological process of assembling and welding the rotor protective sleeve was carried out. As a result of research and comparison of acceptable welding methods, manual arc welding with a non-consumable electrode in a protective gas environment for automatic welding with a non-consumable electrode in a shielding gas environment was selected, welding equipment, welding materials were selected, and the parameters of the welding regime were calculated. The technical and economic analysis of the manufacturing process of the protective sleeve of the centrifugal pump rotor is carried out
ΠΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΠ΅ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΡ Π°ΡΠΊΠΎΡΠ±ΠΈΠ½ΠΎΠ²ΠΎΠΉ ΠΊΠΈΡΠ»ΠΎΡΡ Π² ΠΎΠ²ΠΎΡΠ°Ρ ΠΈ ΡΡΡΠΊΡΠ°Ρ ΡΠΈΡΡΠΈΠΌΠ΅ΡΡΠΈΡΠ΅ΡΠΊΠΈΠΌ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠΌ
Π‘ΡΠ°Π²Π½Π΅Π½ΠΈΠ΅ ΡΠ»ΡΡΡΠ°Π·Π²ΡΠΊΠΎΠ²ΠΎΠΉ ΡΠ΄Π°ΡΠ½ΠΎΠΉ ΠΈ ΠΈΠΌΠΏΡΠ»ΡΡΠ½ΠΎΠΉ ΠΌΠ΅Ρ Π°Π½ΠΎ-ΡΠ»Π΅ΠΊΡΡΠΎΡΠΈΠ·ΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΎΠ±ΡΠ°Π±ΠΎΡΠΎΠΊ Π΄Π»Ρ ΠΌΠΎΠ΄ΠΈΡΠΈΠΊΠ°ΡΠΈΠΈ ΡΠ²Π°ΡΠ½ΠΎΠ³ΠΎ ΡΠΎΠ΅Π΄ΠΈΠ½Π΅Π½ΠΈΡ ΡΡΡΠ±Π½ΠΎΠΉ ΡΡΠ°Π»ΠΈ
ΠΡΠΎΠ΅ΠΊΡ ΡΠ΅Ρ Π° ΡΠΊΡΡΡΠ°ΠΊΡΠΈΠΎΠ½Π½ΠΎΠ³ΠΎ ΡΠ°Π·Π΄Π΅Π»Π΅Π½ΠΈΡ ΡΠ°Π½ΡΠ°Π»Π° ΠΈ Π½ΠΈΠΎΠ±ΠΈΡ ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΠΈΡΠ΅Π»ΡΠ½ΠΎΡΡΡΡ 40000 Ρ/Π³ΠΎΠ΄ ΠΏΠΎ ΠΈΡΡ ΠΎΠ΄Π½ΠΎΠΌΡ Π²ΠΎΠ΄Π½ΠΎΠΌΡ ΡΠ°ΡΡΠ²ΠΎΡΡ
ΠΡΠΎΠ΅ΠΊΡ ΡΠ΅Ρ
Π° ΡΠΊΡΡΡΠ°ΠΊΡΠΈΠΎΠ½Π½ΠΎΠ³ΠΎ ΡΠ°Π·Π΄Π΅Π»Π΅Π½ΠΈΡ ΡΠ°Π½ΡΠ°Π»Π° ΠΈ Π½ΠΈΠΎΠ±ΠΈΡ ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΠΈΡΠ΅Π»ΡΠ½ΠΎΡΡΡΡ 40000 Ρ/Π³ΠΎΠ΄.
ΠΠ±ΡΠ΅ΠΊΡΠΎΠΌ ΠΏΡΠΎΠ΅ΠΊΡΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΡΠ²Π»ΡΠ΅ΡΡΡ ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠ°Ρ ΡΠ΅ΠΏΠΎΡΠΊΠ° ΡΠ°Π·Π΄Π΅Π»Π΅Π½ΠΈΡ Π΄Π²ΡΡ
ΠΈ Π±ΠΎΠ»Π΅Π΅ ΡΠ»Π΅ΠΌΠ΅Π½ΡΠΎΠ².
ΠΡΠ΅Π΄ΠΌΠ΅ΡΠΎΠΌ ΠΏΡΠΎΠ΅ΠΊΡΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΡΠ²Π»ΡΠ΅ΡΡΡ ΡΠ΅Ρ
ΡΠΊΡΡΡΠ°ΠΊΡΠΈΠΎΠ½Π½ΠΎΠ³ΠΎ ΡΠ°Π·Π΄Π΅Π»Π΅Π½ΠΈΡ ΡΠ°Π½ΡΠ°Π»Π° ΠΈ Π½ΠΈΠΎΠ±ΠΈΡ Ρ ΠΏΠΎΠΌΠΎΡΡΡ ΡΡΠΈΠ±ΡΡΠΈΠ»ΡΠΎΡΡΠ°ΡΠ°.
ΠΠ°ΡΡΠ½Π°Ρ Π½ΠΎΠ²ΠΈΠ·Π½Π° ΠΏΡΠΎΠ΅ΠΊΡΠΈΡΡΠ΅ΠΌΠΎΠΉ ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΠΈ Π·Π°ΠΊΠ»ΡΡΠ°Π΅ΡΡΡ Π² ΡΠΏΠΎΡΠΎΠ±Π΅ ΡΠ°Π·Π΄Π΅Π»Π΅Π½ΠΈΡ ΡΠ°Π½ΡΠ°Π»Π° ΠΈ Π½ΠΈΠΎΠ±ΠΈΡ, Π½Π°Ρ
ΠΎΠ΄ΡΡΠΈΡ
ΡΡ Π² ΡΠ°Π·Π±Π°Π²Π»Π΅Π½Π½ΡΡ
ΡΠ°ΡΡΠ²ΠΎΡΠ°Ρ
HF, ΡΡΠΎ ΡΠΏΠΎΡΠΎΠ±ΡΡΠ²ΡΠ΅Ρ ΡΠ΅Π»Π΅ΠΊΡΠΈΠ²Π½ΠΎΠΉ ΡΠΊΡΡΡΠ°ΠΊΡΠΈΠΈ ΡΡΠΎΡΡΠ°Π½ΡΠ°Π»ΠΎΠ²ΡΡ
ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡΠΎΠ².The project of the extraction separation of tantalum and niobium shop.
The design object is a technological chain of separation of two or more elements.
The design subject is the extraction separation of tantalum and niobium shop using tributylphosphate.
The scientific novelty of the proposed technology consists in tantalum and niobium are separated in dilute HF solutions, which facilitates the selective extraction of fluorotantal complexes