Results 41 to 50 of about 344,452 (256)

Delayed Release of Intracellular Microcystin Following Partial Oxidation of Cultured and Naturally Occurring Cyanobacteria

open access: yesToxins, 2020
Oxidation processes can provide an effective barrier to eliminate cyanotoxins by damaging cyanobacteria cell membranes, releasing intracellular cyanotoxins, and subsequently oxidizing these toxins (now in extracellular form) based on published reaction ...
Katherine E. Greenstein   +5 more
doaj   +1 more source

Observable Emission Features of Black Hole GRMHD Jets on Event Horizon Scales [PDF]

open access: yes, 2017
The general-relativistic magnetohydrodynamical (GRMHD) formulation for black hole-powered jets naturally gives rise to a stagnation surface, wherefrom inflows and outflows along magnetic field lines that thread the black hole event horizon originate.
Asada, Keiichi   +5 more
core   +2 more sources

A theoretical framework and some promising findings of grey wolf optimizer, part II: global convergence analysis [PDF]

open access: yesarXiv, 2022
This paper proposes a theoretical framework of the grey wolf optimizer (GWO) based on several interesting theoretical findings, involving sampling distribution, order-1 and order-2 stability, and global convergence analysis. In the part II of the paper, the global convergence analysis is carried out based on the well-known stagnation assumption for ...
arxiv  

MOOCs: Innovation or Stagnation?

open access: yesTurkish Online Journal of Distance Education, 2018
Issues of the phenomenon of Massive Open Online Course (MOOC) and its integration into current online and campus education to enhance higher education quality in universities is gaining importance. This large scale form of online education has the potential to escalate the reputations of universities and increase the global access to their institutions.
Pilli, O., Admiraal, W.F., Salli, A.
openaire   +5 more sources

Solitary waves on flows with an exponentially sheared current and stagnation points [PDF]

open access: yesarXiv, 2022
While several articles have been written on water waves on flows with constant vorticity, little is known about the extent to which a nonconstant vorticity affects the flow structure, such as the appearance of stagnation points. In order to shed light on this topic, we investigate in detail the flow beneath solitary waves propagating on an ...
arxiv  

Secular stagnation or stagnation policy? A post-Steindlian view* [PDF]

open access: yesEuropean Journal of Economics and Economic Policies: Intervention, 2016
The current debate on secular stagnation is suffering from some vagueness and several other shortcomings. The same is true for the economic policy implications. Therefore, I provide an alternative view on stagnation tendencies based on Josef Steindl's contributions.
openaire   +3 more sources

Experimental characterization of the stagnation layer between two obliquely merging supersonic plasma jets

open access: yes, 2013
We present spatially resolved measurements characterizing the stagnation layer between two obliquely merging supersonic plasma jets. Intra-jet collisionality is very high ($\lambda_{ii} \ll 1$mm), but the inter-jet ion-ion mean free paths are on the same
Gilmore, Mark   +4 more
core   +1 more source

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

Controlling Legionella pneumophila in Showerheads: Combination of Remedial Intervention and Preventative Flushing

open access: yesMicroorganisms, 2023
Shock chlorination and remedial flushing are suggested to address Legionella pneumophila (Lp) contamination in buildings or during their (re)commissioning. However, data on general microbial measurements (adenosine tri-phosphate [ATP], total cell counts [
Marianne Grimard-Conea   +1 more
doaj   +1 more source

Stagnation pressure probe [PDF]

open access: yes, 1974
A method and apparatus for measuring the stagnation pressure of supersonic velocity gas streams without the generation of shock waves which interfere with such measurements are given. The technique is insensitive to the type of gas and Mach number and is
Goodyer, M. J.
core   +1 more source

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