نتایج جستجو برای: slug flow
تعداد نتایج: 484298 فیلتر نتایج به سال:
We present results from an experimental investigation on flow boiling, in the slug regime, of refrigerant R245fa through a 12.6-mm inner diameter horizontal plain pipe using particle image velocimetry (PIV) and interface detection method. The study is supplemented by overview state-of-the-art research two-phase dispersed flows development modern optical laser-based full-field nonintrusive measu...
slug gene expression is associated with the specification and migration of neural crest cells in the African clawed frog Xenopus laevis. We provide evidence that the protein Ying-Yang 1 (YY1) regulates the slug gene expression both indirectly and directly, via a YY1 cis-element in the slug promoter, during Xenopus development. The ability of the YY1 to bind this YY1 cis-element was confirmed by...
During cardiac development, a subpopulation of epicardial cells migrates into the heart as part of the epicardial epithelial-mesenchymal transition (EMT) and differentiates into smooth muscle cells and fibroblasts. However, the roles of transcription factors in the epicardial EMT are poorly understood. Here, we show that two transcription factors expressed in the developing epicardium, T-box18 ...
The epithelial-mesenchymal transition (EMT) represents a cellular de-differentiation process that provides cells with the increased plasticity required during embryonic development, tissue remodeling, wound healing and metastasis. Slug and Twist are two key EMT transcription factors (EMT-TFs) that are tightly regulated via ubiquitination and degradation. How Slug and Twist escape degradation an...
At Stromboli Volcano, Italy, very long period (VLP) seismic signals and Strombolian eruptions have been attributed to the unsteady flow of gas slugs through shallow plumbing system followed by explosive slug bursting at a free surface. In data from 2018 seismo-acoustic deployment, ∼92% events in two main VLP multiplets do not coincide time with impulsive infrasonic (the expected signal bursting...
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