نتایج جستجو برای: thermal effect

تعداد نتایج: 1825758  

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2012
mahdi shakouri hossein ghadamian farzaneh mohammadpour bagheri,

in this research, feasibility study of integrating thermal desalination unit with gas turbine (gt) has been investigated using retrofit and grass root design techniques  for lavan island oil refinery which is located in persian gulf. according to computed parameters on developed code for the power generation unit no.1 using ees (engineering equation solver) software, thermal efficiency of the g...

2012
Erik Henne Joseph C. Anderson Robert Barry Steven Kesten

PURPOSE An investigation of the thermal effect and the potential for injury at the lung surface following thermal vapour ablation (InterVapor), an energy-based method of achieving endoscopic lung volume reduction. METHODS Heated water vapour was delivered to fifteen ex vivo human lungs using standard clinical procedure, and the thermal effect at the visceral pleura was monitored with an infra...

2008
Giuseppe Bimonte

We study the thermal interaction between two nearby thin metallic wires, at finite temperature. It is shown that the Johnson currents in the wires give rise, via inductive coupling, to a repulsive force between them. This thermal interaction exhibits all the puzzling features found recently in the thermal Casimir effect for lossy metallic plates, suggesting that the physical origin of the diffi...

Journal: :Gut Pathogens 2009
Kristin M Burkholder Arun K Bhunia

BACKGROUND Physiological stressors may alter susceptibility of the host intestinal epithelium to infection by enteric pathogens. In the current study, cytotoxic effect, adhesion and invasion of Salmonella enterica serovar Typhimurium (S. Typhimurium) to Caco-2 cells exposed to thermal stress (41 degrees C, 1 h) was investigated. Probiotic bacteria have been shown to reduce interaction of pathog...

Journal: :ACS nano 2015
Minglu Liu Yuanyu Ma Robert Y Wang

We present a systematic study on the effect of surface chemistry on thermal transport in colloidal nanocrystal (NC) solids. Using PbS NCs as a model system, we vary ligand binding group (thiol, amine, and atomic halides), ligand length (ethanedithiol, butanedithiol, hexanedithiol, and octanedithiol), and NC diameter (3.3-8.2 nm). Our experiments reveal several findings: (i) The ligand choice ca...

Journal: :international journal of advanced biological and biomedical research 2014
hosein amirabdollahian ali nouri emamzadeh keyvan keramati

this study was conducted to evaluate the effects of feeding mash versus pellet with different thermal process on blood metabolites, carcass characteristics and broiler performance. 192 (one-day) cobb broiler chicks were used in a completely randomized design with 4 experimental groups (diets) and 4 replicates of ten chicks each (totally 16 pens). the experimental treatment groups consisted of m...

Journal: :Angewandte Chemie 2017
Qilong Gao Jun Chen Qiang Sun Dahu Chang Qingzhen Huang Hui Wu Andrea Sanson Ruggero Milazzo He Zhu Qiang Li Zhanning Liu Jinxia Deng Xianran Xing

The control of thermal expansion of solid compounds is intriguing but remains challenging. The effect of guests on the thermal expansion of open-framework structures was investigated. Notably, the presence of guest ions (K+ ) and molecules (H2 O) can substantially switch thermal expansion of YFe(CN)6 from negative (αv =-33.67×10-6  K-1 ) to positive (αv =+42.72×10-6  K-1 )-a range that covers t...

1999
Hanping Hu Xinwei Wang Xianfan Xu

In this work, a generalized expression of the photoacoustic ~PA! effect in a multilayer material is derived. This expression takes thermal and optical properties and geometry of a multilayer structure, as well as the thermal contact resistances between layers into consideration. In addition, a composite piston model consisting of a thermal piston and a mechanical piston of the PA effect is deve...

Journal: :journal of lasers in medical sciences 0
mohammad karim shahrzad laser application in medical sciences research center, shohada tajrish medical center, shahid beheshti university of medical sciences, tehran, iran

thermal ablation therapies for benign thyroid nodules have been introduced in recent years to avoid the complications of traditional methods such as surgery. despite the little complications and the reportedly acceptable efficacy of thermal ablation methods, quite few medical centers have sought the potential benefits of employing them. this paper provides an introduction to the literature, pri...

2017
Jaeho Lee Woochul Lee Geoff Wehmeyer Scott Dhuey Deirdre L. Olynick Stefano Cabrini Chris Dames Jeffrey J. Urban Peidong Yang

Phonons can display both wave-like and particle-like behaviour during thermal transport. While thermal transport in silicon nanomeshes has been previously interpreted by phonon wave effects due to interference with periodic structures, as well as phonon particle effects including backscattering, the dominant mechanism responsible for thermal conductivity reductions below classical predictions s...

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