نتایج جستجو برای: anisotropy shrinkage

تعداد نتایج: 47391  

In the context of ridge regression, the estimation of ridge (shrinkage) parameter plays an important role in analyzing data. Many efforts have been put to develop skills and methods of computing shrinkage estimators for different full-parametric ridge regression approaches, using eigenvalues. However, the estimation of shrinkage parameter is neglected for semiparametric regression models. The m...

Journal: :international journal of iron & steel society of iran 2008
a. r. ebrahimi a. abyazi s. m. abbasi

thermomechanical control process steel produced by rolling has a significant anisotropy. the elongated grains and inclusions formed during hot rolling of ferrite and low carbon hsla steels directly influence the anisotropy of the steel’s mechanical properties as a result of microstructural anisotropy. the present research deals with this anisotropy, and particular attention has been paid to the...

Journal: :international journal of advanced biological and biomedical research 2014
negar hafezi mohammad javad sheikhdavoodi seyed majid sajadiye

objective: potato is the fourth important food crop after wheat, rice and maize. shrinkage  of  food  materials  has  a negative  consequence  on  the  quality  of  the dehydrated product. the main objective pursued in this paper is to investigate the shrinkage amount of potato slices during drying process using vacuum-infrared method. methods: in this work, the effect of the infrared radiation...

2008
D. H. Hwang S. Tsao M. Singh

Introduction Numerous studies have shown a pattern of progressive hippocampal shrinkage as a result of mild cognitively impairment (MCI) and Alzheimer Disease (AD). One of the major pathways affected by the hippocampus is the fornix, and it has been recently shown that fractional anisotropy (FA) is reduced in normal controls verses AD [DeCarli et al., Alzheimer’s Imaging Consortium IC-P1,July 2...

Objective: Potato is the fourth important food crop after wheat, rice and maize. Shrinkage  of  food  materials  has  a negative  consequence  on  the  quality  of  the dehydrated product. The main objective pursued in this paper is to investigate the shrinkage amount of potato slices during drying process using vacuum-infrared method. Methods: In this work, the effect of the infrared radiation...

2016
Qingjun Song Xingchen Pan Haifeng Wang Kun Zhang Qinghai Tan Pan Li Yi Wan Yilun Wang Xiaolong Xu Miaoling Lin Xiangang Wan Fengqi Song Lun Dai

Tungsten ditelluride (WTe2) is a semi-metallic layered transition metal dichalcogenide with a stable distorted 1T phase. The reduced symmetry of this system leads to in-plane anisotropy in various materials properties. We have systemically studied the in-plane anisotropy of Raman modes in few-layer and bulk WTe2 by angle-dependent and polarized Raman spectroscopy (ADPRS). Ten Raman modes are cl...

Journal: :Forests 2021

Black locust (Robinia pseudoacacia L.) is a non-native tree species that occupies remarkable area in the forests of western Poland. It mainly cultivated for bee-keeping purposes as well its high quality wood. We investigated impact age and diameter on selected structural, physical mechanical attributes wood black grows conditions mesic oligotrophic site. analysed 200 samples originating from 18...

1999
Mohan Menon I-Wei Chen

Shrinkage behavior and crack formation during firing have been investigated for Al2O3/Ce-TZP composites that have been fabricated by colloidal rolling and folding. These composites show improved sinterability and sinter isotropically after repeated rolling. Interface instability in rolling creates corrugated interfaces with large layer waviness; therefore, rolling can substantially alleviate th...

Journal: :journal of biomedical physics and engineering 0
k ghazikhanlou-sani 1phd student of medical physics, tarbiat modares university, medical physics department, tehran, iran smp firoozabadi 2professor of biomedical engineering, tarbiat modares university, medical physics department, tehran, iranسازمان اصلی تایید شده: دانشگاه تربیت مدرس (tarbiat modares university) l agha-ghazvini assistant professor of radiology, department of radiology, school of medicine and shariati hospital, tehran university oسازمان اصلی تایید شده: دانشگاه تربیت مدرس (tarbiat modares university) h mahmoodzadeh assistant professor of general surgery, imam khomeini hospital, tehran university of medical sciences, tehran, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences)

introduction: there is many ways to assessing the electrical conductivity anisotropy of a tumor. applying the values of tissue electrical conductivity anisotropy is crucial in numerical modeling of the electric and thermal field distribution in electroporation treatments. this study aims to calculate the tissues electrical conductivity anisotropy in patients with sarcoma tumors using diffusion ...

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