نتایج جستجو برای: length scale effect

تعداد نتایج: 2394394  

1999
Rajesh Kasturirangan

Small-world architectures may be implicated in a range of phenomena from networks of neurons in the cerebral cortex to social networks and propogation of viruses [1]-[2]. Small-world networks are interpolations of regular and random networks that retain the advantages of both regular and random networks by being highly clustered like regular networks and having small average path length between...

Journal: :The Journal of Automatic Chemistry 1979
J. M. Rideout

The effect of non-linearity of the calibration scale is minimised by its generous length, over 255 mm, and the expansion of the scale divisions in the more critical lower range. Zero adjustment is by mechanical microadjustment which moves the reference cell from the side of the LED.

Journal: :civil engineering infrastructures journal 0
mojtaba saneie research deputy of soil conservation and watershed management research institute jalal sheikhkazemi msc. hydraulic structure engineering, faculty of civil engineering, university of sistan & baluchestan mehdi azhdary moghaddam associate prof., faculty of civil engineering, university of sistan & baluchestan, zahedan, iran

dam spillways are the structures that lead rightly and safely the outflow downstream, so that the dam integrity can be guaranteed. many accidents with dams have been caused by an inadequate spillway design or insufficient capacity. to accurately respond the hydraulic spillways, designers use physical modeling for designing this kind of structures. the scale effect in the spillway modeling, as a...

Journal: :Memory & cognition 2011
Annie Jalbert Ian Neath Aimée M Surprenant

Jalbert, Neath, Bireta, and Surprenant (2011) suggested that past demonstrations of the word length effect, the finding that words with fewer syllables are recalled better than words with more syllables, included a confound: The short words had more orthographic neighbors than the long words. The experiments reported here test two predictions that would follow if neighborhood size is a more imp...

2007
R. R. Pedersen A. Simone

We present a multiple-scale approach for the analysis of tensile failure of concrete under impact loading. A phenomenological rate dependent constitutive model is applied at the macroscopic level. Viscosity terms are included to represent the strengthening effect associated with the microstructural moisture and inertial effects of micro-cracking. A partial length scale effect is extracted from ...

Journal: :journal of membrane science and research 0
aamer ali institute on membrane technology (itm-cnr), national research council, c/o university of calabria, cubo 17c, via pietro bucci, 87036 rende cs, italy c.a. quist-jensen university of calabria - department of environmental and chemical engineering, rende, italy f. macedonio institute on membrane technology (itm-cnr), national research council, c/o university of calabria, cubo 17c, via pietro bucci, 87036 rende cs, italy enrico drioli hanyang university, wcu energy engineering department, seoul 133-791, s. korea

membrane distillation has the potential to concentrate solutions to their saturation level, thus offering the possibility to recover valuable salts from the solutions. the process performance and stability, however, is strongly dependent upon the features of membranes applied. in addition, several other parameters, membrane thickness and thermal conductivity significantly affect the process per...

2008
Kejie Fang Bin Chen Wei Xue

We investigate the noncommutative effect on the non-Gaussianities of primordial cosmological perturbation. In the lowest order of string length and slow-roll parameter, we find that in the models with small speed of sound the noncommutative modifications could be observable if assuming a relatively low string scale. In particular, the dominant modification of non-Gaussianity estimator fNL could...

Journal: :Nano letters 2012
Jung-Hyun Lee Hyun Wook Ro Rui Huang Paul Lemaillet Thomas A Germer Christopher L Soles Christopher M Stafford

By combining surface wrinkling and nanopatterned polymer films, we create anisotropic, hierarchical surfaces whose larger length-scale (wrinkling wavelength) depends intimately on the geometry and orientation of the smaller length-scale (nanopattern). We systematically vary the pattern pitch, pattern height, and residual layer thickness to ascertain the dependence of the wrinkling wavelength on...

In this paper, free vibration analysis and forced vibration analysis of FG doubly clamped micro-beams is studied based on the third order shear deformation and modified couple stress theories. The size dependent dynamic equilibrium equations and both the classical and non-classical boundary conditions are derived using a variational approach. It is assumed that all properties of the FG micro-be...

Journal: :iranian red crescent medical journal 0
amin heidarian school of medicine, hamadan university of medical sciences, hamadan, ir iran hamidreza abbasi school of medicine, hamadan university of medical sciences, hamadan, ir iran mehdi hasanzadeh hoseinabadi school of medicine, hamadan university of medical sciences, hamadan, ir iran azin hajialibeyg school of medicine, hamadan university of medical sciences, hamadan, ir iran seyed mohammad kalantar motamedi endocrinology and metabolism research center, tehran university of medical sciences, tehran, ir iran soroush seifirad endocrinology and metabolism research center, tehran university of medical sciences, tehran, ir iran; endocrinology and metabolism research center, shariati hospital, tehran, ir iran. tel: +98-9355799979, fax: +98-9355799979

patients and methods fifty nine patients with indication for carpal tunnel release randomly assigned into two groups: open (n=30) or knifelight (n=29). the patients compared regarding scar length, operation duration, time to return to daily activities and amount of pain at three weeks after operation based on visual analog scale. results there was no significant differences regarding age and se...

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