Results 81 to 90 of about 365,066 (339)

Stratification in steelmaking ladles [PDF]

open access: yes, 1993
The problem of temperature stratification in a steelmaking ladle is considered. There are three distinct zones in the flow, the wall boundary layer, the bottom stagnation zone and the central plug flow.
Weber, R.
core  

Therapeutic Repair of Sperm Quality Decline Caused by Polytetrafluoroethylene

open access: yesAdvanced Science, EarlyView.
Exposure to PTFE (teflon), a commonly used microplastic in non‐stick cookware, significantly reduces sperm quality in both humans and mice. Specifically, PTFE induces the disruption of sperm cytoskeleton and F‐actin assembly through targeting SKAP2 in haploid spermatid.
Shiming Gan   +15 more
wiley   +1 more source

New Model of Economic Growth of Russia

open access: yesУправленческое консультирование, 2018
In the article are analyzed: the reasons of why after successful three years on restoration of the main indicators of pre-crisis 2008 unexpectedly there was a sharp recession of the Russian economy; moreover its transition at first to a stagnation stage ...
Abel Gezevich Aganbegian
doaj  

Computational Fluid Dynamics of Blood Flow in an Extracorporeal Blood Circuit for the Analysis of Thrombogenic Hemodynamic Factors

open access: yesJournal of Biomechanical Science and Engineering, 2011
Blood flow in a filter for an extracorporeal blood circuit was analyzed numerically to assess fluid mechanical quantities related to thrombogenesis. Results showed stagnant flow regions, in particular at the downstream side of the ceiling of a filter.
Masanori NAKAMURA   +2 more
doaj   +1 more source

Stirring Without Stirrers: Polymer Fouling‐Driven Mass Transport Unlocks Order‐of‐Magnitude Gain in Electrochemiluminescence

open access: yesAdvanced Science, EarlyView.
Strategic electrode fouling enhances mass transport, primarily through electrochemically actuated lateral density gradients. Engineered fouling induces flow velocities up to 0.4 cm s⁻¹ in otherwise quiescent systems. Sub‐millimeter plastic features boost local rates by up to 290%, while micrometer‐scale arrays yield a 30% net electrolysis gain ...
Wathsala Prasadini Kapuralage   +6 more
wiley   +1 more source

Pressure distribution in a converging-diverging nozzle during two-phase choked flow of subcooled nitrogen [PDF]

open access: yes
Choked flow rates and axial pressure distributions were measured for subcooled nitrogen in a converging-diverging nozzle with a constant area section in the throat region.
Simoneau, R. J.
core   +1 more source

Bubbles and Stagnation

open access: yesFinance and Economics Discussion Series, 2022
This paper studies the consequences of asset bubbles for economies that are vulnerable to persistent stagnation. Stagnation is the result of a shortage of assets that creates an oversupply of savings and puts downward pressure on the level of interest rates. Once the zero lower bound on the nominal interest rate binds, the real rate cannot fully adjust
openaire   +1 more source

The Role of Operating Temperature on Pore‐Scale Gas Transport in Polymer Electrolyte Membrane Electrolyzers

open access: yesAdvanced Science, EarlyView.
This study clarifies the critical relationship between operating temperature and two‐phase flow behavior in polymer electrolyte membrane (PEM) electrolyzers by investigating pore‐scale gas bubble transport in the anode porous transport layer. Higher temperatures (80 °C vs 40 °C) result in a lower total bubble volume fraction and smaller bubble ...
Chaeyoung T. Ham   +5 more
wiley   +1 more source

THE RUSSIAN FEDERATION BEGINS THE 2016th: IS THE COUNTRY WAITING FOR THE ECONOMIC SLOWDOWN, DEPRESSION OR UPTURN?

open access: yesВестник университета, 2016
The review and the analysis of basic macroeconomic indicators for the Russian Federation are provided for determining the way of economic development in 2016.
T. Timashkova   +2 more
doaj  

Natural Selection and the Origin of Economic Growth [PDF]

open access: yes
This research develops an evolutionary growth theory that captures the interplay between the evolution of mankind and economic growth since the emergence of the human species.
Galor, Oded, Moav, Omer
core  

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