Results 61 to 70 of about 4,312 (262)

Numerical simulation research on the influence of steel ingot of 76 tons and 8 corners with hollow riser

open access: yesMetalurgija, 2019
The effect of a hollow riser on the upper heat dissipation of 76 tons and 8 corners ingots is studied by numerical simulation in this paper. Through the simulation of the heat transfer of the traditional riser, the 1 gap riser and the 2 gaps riser ingot,
G. W. Ao   +3 more
doaj  

Recoil Control Analysis of Deepwater Drilling Riser Tension System

open access: yesShiyou jixie, 2020
The drilling riser tension system can mitigate the influence of the floating platform/ship heave motion on the riser and provide a nearly constant top tension force for the riser. Therefore, a large amount of energy is stored in the drilling riser system.
Sun Zhanguang   +5 more
doaj  

Dynamic Characteristics Analysis of Deepwater Riser under Soft Suspension Evacuation Conditions

open access: yesShiyou jixie, 2022
Aiming at the problem of vibration failure of deepwater riser under the condition of soft suspension emergency evacuation, combined with the Hamiltonian variational and virtual work principle, the finite element method was used to build a 3D nonlinear ...
Liu Jun, Wang Pucheng, Guo Xiaoqiang
doaj  

Microbiome−host proteostasis crosstalk—An emerging perspective on mechanisms and interventions toward healthy longevity

open access: yesFEBS Letters, EarlyView.
Proteostasis and the gut microbiota play a key role in shaping host physiology. Microbiota‐derived metabolites, vitamins, and RNA modulate host proteostasis. Findings from model systems, including C. elegans, indicate microbes can either stabilize or disrupt host proteostasis.
Abhishek Anil Dubey, Maria Ermolaeva
wiley   +1 more source

From mice to humans—divergent strategies for intestinal homeostasis and regeneration

open access: yesFEBS Letters, EarlyView.
Recent advances such as organoid genome editing, xenotransplantation, imaging, and whole‐genome sequencing have enabled direct studies of human intestinal stem cells (ISCs). These studies reveal species‐specific features, including slower ISC proliferation, distinct injury responses, slower somatic mutation accumulation in humans, and an inverse ...
Keiko Ishikawa   +2 more
wiley   +1 more source

Severe Slugging in Air-Water Hybrid Riser System

open access: yesAdvances in Mechanical Engineering, 2014
In the subsea pipeline gathering system, severe slugging flow is prone to occur. Severe slugging flow brings major threat to production and flow assurance in oil and gas industry due to periodical pressure oscillation and large liquid volume.
Jing Gong   +3 more
doaj   +1 more source

Design and analysis strategies for robust microbiome ageing research

open access: yesFEBS Letters, EarlyView.
The gut microbiome changes with age and associates with age‐related morbidity and mortality, establishing it as a potential biomarker and intervention target for ageing. Realising this potential requires methodological rigour, yet distinguishing biological signals from methodological artefacts remains challenging across cohorts. This review provides an
Mark Olenik   +5 more
wiley   +1 more source

ANALYSIS ON CALCULATION METHOD OF RISER IN SHELL AND TUBE WASTE HEAT BOILER

open access: yesJixie qiangdu, 2018
Water recycle system is formed by shell and tube waste heat boiler body,drum,down comer and riser. The riser connects boiler body and drum. When the production of steam is less account in the system,the riser supports the whole mass of boiler drum and ...
HU Tao, ZHANG Fan
doaj  

Nutrient/TOR signaling controls adipose mitochondrial transcription factor A (TFAM) to regulate organismal growth in Drosophila

open access: yesFEBS Letters, EarlyView.
Animals must match their growth rate to available nutrients. We show that in Drosophila larvae, the nutrient‐sensing TOR kinase controls growth by regulating levels of TFAM, a key regulator of mitochondrial function, in the adipose tissue. When nutrients are abundant, high TOR activity suppresses TFAM, lowering mitochondrial bioenergetic activity and ...
Shrivani Sriskanthadevan‐Pirahas   +4 more
wiley   +1 more source

Epigenetic reprogramming of lineage switching in cancer

open access: yesFEBS Letters, EarlyView.
Cancer cells rarely commit to a single identity. Epigenetic mechanisms and tumor microenvironment cues push epithelial cells toward flexible, hybrid states that can shift into mesenchymal, neuroendocrine, or stem‐like fates, driving metastasis, drug resistance, and tumor heterogeneity. Targeting the epigenetic regulators behind these transitions, using
Ezgi Boyvatlı   +4 more
wiley   +1 more source

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