نتایج جستجو برای: dependent thermo

تعداد نتایج: 700380  

2017
Xiaoyan Tu Chao Meng Zhe Liu Lu Sun Xianshuo Zhang Mingkui Zhang Mingrui Sun Liwei Ma Mingzhu Liu

Polymers with advanced topological architectures are promising materials for wide applications due to their structure-generated unique properties different from that of the linear analogues. The elegant integration of stimuli-responsive polymers with such advanced architectures can create novel materials with virtues from both moieties, are thus a hot subject of research for both fundamental an...

Journal: :CoRR 2007
M. Shamshirsaz M. Bahrami M. B. Asgari M. Tayefeh

The suspended electrothermal polysilicon micro beams generate displacements and forces by thermal buckling effects. In the previous electro-thermal and thermo-elastic models of suspended polysilicon micro beams, the thermo-mechanical properties of polysilicon have been considered constant over a wide rang of temperature (20900°C). In reality, the thermo-mechanical properties of polysilicon depe...

2011
Oscar M.J.A. Stassen Ruud J.J.Jorna Bastiaan A. van den Berg Rad Haghi Farzad Ehtemam Steven M. Flipse Marco J.L. de Groot Janine A. Kiers I. Emrah Nikerel Domenico Bellomo

Background RNA thermometers are mRNA strands with a temperature dependent secondary structure: depending on the spatial conformation, the mRNA strand can get translated (on-state) or can be inaccessible for ribosomes binding (off-state).These have been found in a number of micro-organisms (mainly pathogens), where they are used to adaptively regulate the gene expression, in response to changes ...

Journal: :Nanoscale 2015
Li Deng Jie Ren Jianbo Li Junzhao Leng Yang Qu Chao Lin Donglu Shi

Magnetothermally responsive drug-loaded micelles were designed and prepared for cancer therapy. These specially designed micelles are composed of the thermo-responsive star-block copolymer poly(ε-caprolactone)-block-poly(2-(2-methoxyethoxy)ethyl methacrylate-co-oligo(ethylene glycol)methacrylate) and Mn, Zn doped ferrite magnetic nanoparticles (MZF-MNPs). The thermo-responses of 6sPCL-b-P(MEO2M...

Journal: :Open Physics 2022

Abstract In this article, we analyze the entropy analysis in unsteady hydromagnetic flow of a viscous fluid over stretching surface. The energy attribute is scrutinized through dissipation, heat source/sink, and radiation. Furthermore, diffusion-thermo thermo-diffusion behaviors are analyzed. physical description rate discussed second law thermodynamics. Additionally, binary chemical reaction c...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اراک - دانشکده علوم انسانی 1393

this research study aimed to investigate the relationship between field-dependence/independence cognitive style and vocabulary learning strategies among iranian efl learners. ninety participants majoring in english translation at arak university were chosen. the participants were classified into two groups of field-dependent and independent based on the results of group embedded figure test (ge...

In this study, the analysis of transient thermoelastic response of a functionally graded (FG) non-axisymmetric viscoelastic cylinder is presented. The material properties are assumed to be time- dependent and radially and circumferentially non-homogeneous. The finite element (FE) formulations of the thermoelastic problem are obtained using the virtual work method and all the coupling terms are ...

Journal: :International Journal of Solids and Structures 2022

Fractional calculus has been proved to be very effective in representing the visco-elastic relaxation response of materials with memory such as polymers. Moreover, modeling temperature dependency material functions thermo-visco-elasticity, standard time–temperature superposition principle is known ineffective most cases (thermo-rheological complexity). In this work, a novel finite element formu...

Journal: :journal of computational applied mechanics 0
rahmatollah ghajar mechanical properties research lab (mprl), faculty of mechanical engineering, k.n. toosi univeristy of technology, iran mahmood shokrieh composites research laboratory, center of excellence in experimental solid mechanics and dynamics, school of mechanical engineering, iran university of science and technology, iran ali r shajari mechanical properties research lab (mprl), faculty of mechanical engineering, k.n. toosi univeristy of technology, iran

in this study, the analysis of transient thermoelastic response of a functionally graded (fg) non-axisymmetric viscoelastic cylinder is presented. the material properties are assumed to be time- dependent and radially and circumferentially non-homogeneous. the finite element (fe) formulations of the thermoelastic problem are obtained using the virtual work method and all the coupling terms are ...

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