نتایج جستجو برای: water entry force

تعداد نتایج: 797366  

Journal: :Experimental Mechanics 2021

Abstract Background 95% Of all metals and alloys are processed using strip rolling, explaining the great number of existing rolling optimization models. Yet, an accurate in-situ full-field experimental measurement method deformation, velocity strain fields in deformation zone is lacking. Objective Here, a novel time-Integrated Digital Image Correlation (t-IDIC) framework proposed validated that...

Journal: :Respiratory care 2010
Thomas A Barnes David D Gale Robert M Kacmarek Woody V Kageler

The American Association for Respiratory Care has established a task force to identify potential new roles and responsibilities of respiratory therapists (RTs) in 2015 and beyond. The first task force conference confirmed that the healthcare system in the United States is on the verge of dramatic change, driven by the need to decrease costs and improve quality. Use of evidence-based protocols t...

Journal: :In vivo 2009
Chien-Huan Chien Hiroshi Sakagami Manabu Kouhara Au Sasaki Kenichi Matsumoto Haruhide Kanegae

The effects of simulated orthodontic forces such as centrifugal force or water pressure on sodium fluoride (NaF)-induced cytotoxicity against mouse osteoblast-like cells MC3T3-E1 were investigated. Loading with centrifugal force (44.5 g/cm2) or water pressure (5 g/cm2) slightly reduced the cell proliferation and additively enhanced the cytotoxic activity of millimolar concentrations of NaF. NaF...

2011
Angela M Thornton Xiaoli Zhao Noah Weisleder Leticia S. Brotto Sylvain Bougoin Thomas M. Nosek Michael Reid Brian Hardin Zui Pan Jianjie Ma Jerome Parness Marco Brotto

Muscle atrophy alone is insufficient to explain the significant decline in contractile force of skeletal muscle during normal aging. One contributing factor to decreased contractile force in aging skeletal muscle could be compromised excitation-contraction (E-C) coupling, without sufficient available Ca(2+) to allow for repetitive muscle contractility, skeletal muscles naturally become weaker. ...

Journal: :Comparative biochemistry and physiology. Part A, Molecular & integrative physiology 2012
C Methling J F Steffensen P V Skov

The present study was undertaken to examine cardiac responses to some of the temperature challenges that eels encounter in their natural environment. The contractile properties of ventricular muscle was studied on electrically paced tissue strips after long term acclimation at 0 °C, 10 °C, or 20 °C, and following acute ± 10 °C temperature changes. The time-course of contraction, and thus maxima...

Journal: :Journal of molecular biology 2008
Yara X Mejia Hanbin Mao Nancy R Forde Carlos Bustamante

RNA polymerase (RNAP) is an essential enzyme for cellular gene expression. In an effort to further understand the enzyme's importance in the cell's response to temperature, we have probed the kinetic mechanism of Escherichia coli RNAP by studying the force-velocity behavior of individual RNAP complexes at temperatures between 7 and 45 degrees C using optical tweezers. Within this temperature ra...

2010
Willy Verstraete

Actual sewage treatment relies on conventional activated sludge (CAS), which reaches sufficiently low carbon, nitrogen and phosphorus effluent levels, but is not cost-effective, hardly achieves recovery, requires electricity equivalent to a fossil fuel consumption of 85 kWh per inhabitant equivalent (IE) per year and has an operational CO2 footprint of 80 kg CO2 IE year. Projected water and pho...

Journal: :E3S web of conferences 2022

With the entry into force of Decree Government Russian Federation on traceability grain, agricultural producers are obliged to promptly enter data grain harvested from fields and place its storage information system. For guaranteed entry, it is proposed implement, in parallel with existing procedure, a receipt accounting system based tracking geolocation reloading combine vehicles for transport...

This paper describes the various frequency domain methods which may be used to analyze experiments data on the force experienced by a circular cylinder in wave and current to estimate drag and inertia coefficients for use in Morison’s equation. An additional approach, system identification techniques (SIT) is also introduced. A set of data obtained from experiments on heavily roughened circular...

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