Results 51 to 60 of about 409,471 (395)

Increase of data and development of science [PDF]

open access: yesروش شناسی علوم انسانی, 2019
Despite what it may seem, some indicators show that during the last quarter of twentieth-century science has been in the state of stagnation and there is less news about big discoveries.
mortaza mardiha
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

Stagnation In Brownfield Redevelopment

open access: yesWorld Academy of Science, Engineering and Technology, 2013
{"references": ["K. R. Yount and P. B. Meyer, \"Project scale and private sector\nenvironmental decision making: Factors affecting investments in smalland\nlarge-scale brownfield projects,\" Urban Ecosystems, vol. 3, pp. 179-\n193, 1999.", "S. Alker, V. Joy, P. Roberts, and N.
Glumac, B., Han, Q., Schaefer, W.F.
openaire   +2 more sources

Oblique Stagnation Point Flow of Nanofluids over Stretching/Shrinking Sheet with Cattaneo-Christov Heat Flux Model: Existence of Dual Solution

open access: yesSymmetry, 2019
In the present work we consider a numerical solution for laminar, incompressible, and steady oblique stagnation point flow of Cu − water nanofluid over a stretching/shrinking sheet with mass suction S .
Xiangling Li   +4 more
semanticscholar   +1 more source

Designing and Arranging a Model for Revival Stagnant Industrial Enterprises (Case Study: Kermanshah Province) [PDF]

open access: yesچشم‌انداز مدیریت صنعتی, 2020
Revival is not an isolated event, but a process that forms a series of events. The present qualitative research was designed with the aim for arranging a model for revival stagnant industrial enterprises using the grounded theory and a systematic ...
Saba Amiri   +3 more
doaj   +1 more source

Analysis on the steady Euler flows with stagnation points in an infinitely long nozzle [PDF]

open access: yesarXiv, 2022
A recent prominent result asserts that steady incompressible Euler flows strictly away from stagnation in a two-dimensional infinitely long strip must be shear flows. On the other hand, flows with stagnation points, very challenging in analysis, are interesting and important phenomenon in fluids.
arxiv  

Novel approach to characterize the cross‐linking effect of liquid silicone rubber via cavity pressure analysis during injection molding

open access: yesJournal of Applied Polymer Science, Volume 140, Issue 4, January 20, 2023., 2023
In this paper, the cross‐linking reaction during the processing of liquid silicone rubber in the injection molding process is illustrated by measuring the cavity pressure. This shows a characteristic curve when derived twice. This curve is attributable to cross‐linking. With this knowledge, processes can be optimized and costs saved.
Dennis F. Weißer   +3 more
wiley   +1 more source

The Reasons for Stagnation of Calf Breeding Cooperatives in Kermanshah City (A Case Study of Cooperative No. 348) [PDF]

open access: yesتعاون و کشاورزی, 2011
The purpose of this qualitative research was to determine the reasons of stagnation in calf breeding farm cooperatives in Kermanshah City in 2010 by utilizing Grounded Theory. To this end, the stagnated calf breeding cooperative no.
Sh Geravandi, A. H Alibeigi
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

AUTOMATION, STAGNATION, AND THE IMPLICATIONS OF A ROBOT TAX

open access: yesMacroeconomic Dynamics, 2020
We assess the long-run growth effects of automation in the overlapping generations framework. Although automation implies constant returns to capital and, thus, an AK production side of the economy, positive long-run growth does not emerge. The reason is
Emanuel Gasteiger, K. Prettner
semanticscholar   +1 more source

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