Results 31 to 40 of about 2,517,198 (384)
With its benefits of efficiency and speed, the orthogonal experimental design method is currently often employed in many domains for multi-factor experimental design.
Shuang Zheng +6 more
doaj +1 more source
Surge-Energy and Overvoltage Ruggedness of P-Gate GaN HEMTs
An essential ruggedness of power devices is the capability of safely withstanding the surge energy. The surge ruggedness of the GaN high-electron-mobility transistor (HEMT), a power transistor with no or minimal avalanche capability, has not been fully ...
Ruizhe Zhang +4 more
semanticscholar +1 more source
This paper investigates the effects of two modifications to a vaned recessed casing treatment. First, the shape of a circular curve was used in the top of the treated casing. Second, a fully curved guide vane was also applied.
Mohammad Akhlaghi, Yahya Azizi
doaj +1 more source
Unstable Flow Structures Present at Different Rotational Velocities of the Centrifugal Compressor
Unstable flow structures cause inevitable energy losses in all power energy systems, including turbomachines. In this study, a set of analyses was conducted with the use of spectral maps on the pressure signals obtained from an industrial centrifugal ...
Grzegorz Liśkiewicz +6 more
doaj +1 more source
With my lids shut, lashes oiled with sleep and urges,My hands got caught in the spokes of unstoppable trains:Faltering, threatening sages.Yes, despite my whale blubbering,my visual lubrication,The screech and the grinding of literary gears.The metallic sparks,my fathomless visions….
openaire +1 more source
METHODS OF THE FORECAST OF SAFE WORK OF A ROAD BED OF THE HIGHWAY
Methods of the forecast of the parameter of the safe work earth are brought In article onpallet, as which is accepted reliability of the work for period between heavy repairs at reasonable conditions of the usages. Reliability is Considered as estimation
M. O. Allaev
doaj +1 more source
Based on entropy characteristics, some complex nonlinear dynamics of the dynamic pressure at the outlet of a centrifugal compressor are analyzed, as the centrifugal compressor operates in a stable and unstable state.
Yan Liu, Kai Ma, Hao He, Kuan Gao
doaj +1 more source
Decline in Stroke Presentations During COVID-19 Surge
Supplemental Digital Content is available in the text. Background and Purpose: We aimed to investigate the acute stroke presentations during the coronavirus disease 2019 (COVID-19) pandemic.
K. Uchino
semanticscholar +1 more source
Despite coordinated efforts at global level, through the Global Polio Eradication Initiative (GPEI), poliomyelitis disease (Polio) is still a major public health issue.
Fikru Abebe +6 more
doaj +1 more source
The use of HVDC systems is increasing in number due to technological innovations, increasing power capacity and increasing customer demand. The characteristics of insulation systems under composite DC and LI voltage must be examined and clarified.
Mehmet Murat Ispirli +4 more
doaj +1 more source

