Results 11 to 20 of about 167,018 (261)

Medium of instruction in physical education students. [PDF]

open access: yesPedagogìka, Psihologìâ ta Mediko-bìologìčnì Problemi Fìzičnogo Vihovannâ ì Sportu, 2011
In the article are examined the theoretical questions of determination of facilities of studies as important component organization of process of physical education in general educational establishments.
Vaskov Urij Vadimovich
doaj  

Study on Heat Treatment of Aerospace Aluminum Alloy Welded FSW

open access: yesMATEC Web of Conferences, 2017
The precisely controlled heat treatment was researched to meet the special requirements of the aerospace industry on materials. 2219 aluminum alloy plate was obtained by friction stir welding, and the microstructures and mechanical properties were ...
Luo Chuanhong, Fengbo Dong, Lijie Guo
doaj   +1 more source

Modern weapons and military equipments for issue 3-2018 / Современное вооружение и военное оборудование, к выпуску № 3-2018 / Savremeno naoružanje i vojna oprema za broj 3-2018 [PDF]

open access: yesVojnotehnički Glasnik, 2018
China's Type 99 Tank: Could It Beat an M1 Abrams or Russia's T-90? North Korean military parade, North Korea parades two classes of ICBM for the first time, North Korea unveils new mobile short-range ballistic missile system.
Dragan M. Vučković
doaj  

Plastic pollution in the ocean [PDF]

open access: yes, 2020
Plastic pollution in the ocean was first reported by scientists in the 1970s, yet in recent years it has drawn tremendous attention from the media, the public, and an increasing number of scientists spanning diverse fields, including polymer science ...
A. Hamid, Hazren   +10 more
core  

Modern weapons and military equipment for the issue 1-2021

open access: yesVojnotehnički Glasnik, 2021
Analysis: Top most modern 6x6 wheeled self-propelled howitzer; Serbia test-fires indigenous RLN-IC/170 short-range ...
Dragan M. Vučković
doaj  

Savremeno naoružanje i vojna oprema za broj 3-2023

open access: yesVojnotehnički Glasnik, 2023
Project 863-706 Shenlong ("Divine Dragon"), Reusable Test Spacecraft; China Says It Conducted A Successful Suborbital Test Of A Reusable Spaceplane; X-37B Space Plane’s Microwave Power Beam Experiment Is A Way Bigger Deal Than It Seems Is China ...
Dragan M. Vučković
doaj   +1 more source

Partial Discharge in Electronic Equipments [PDF]

open access: yes, 2009
Tato disertační práce se věnuje studiu částečných výbojů (PD) způsobených poklesem spolehlivosti a životnosti elektronických zařízení a systémů. Diagnostika PD je dnes známá metoda pro vysoké napětí u vysoko-výkonných zařízení.
Mammadov, Anar
core  

Optimal operations and resilient investments in steam networks [PDF]

open access: yes, 2016
Steam is a key energy vector for industrial sites, most commonly used for process heating and cooling, cogeneration of heat and mechanical power as a motive fluid or for stripping.
Bungener, Stéphane L.   +2 more
core   +3 more sources

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

open access: yesFEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka   +11 more
wiley   +1 more source

Modern weapons and military equipments for issue 4-2017 / Современное вооружение и военное оборудование, к выпуску № 4-2017 / Savremeno naoružanje i vojna oprema za broj 4-2017 [PDF]

open access: yesVojnotehnički Glasnik, 2017
Full speed ahead? Russia seeks to maintain momentum in shipbuilding program. Russia to Launch 2 Nuclear Subs in 2017. Beyond the Raptor and Lighting: World plays fifth-gen catch-up.
Dragan M. Vučković
doaj   +2 more sources

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