نتایج جستجو برای: mr model

تعداد نتایج: 2161828  

2009
Jorge de-J. Lozoya-Santos Javier A. Ruiz-Cabrera Rubén Morales-Menéndez Ricardo Ramírez-Mendoza Vicente Diaz-Salas

A method for training patterns validation for modelling MR damper is proposed. The method was validated with two models based on black-box and semi-phenomenological approaches. An input pattern that allows a better identification of the MR damper model was found. Including a frequency modulated displacement and increased clock period in the training pattern, the MR damper model fitting is impro...

M Esfahanian, R Tikani S Ziaei Rad T Feyzi

Increasing current vehicle development trends for small, light, front wheel drive vehicles with low idle speeds have been forced automotive industries to use hydraulic engine mounts for further improvement in vibration, noise and harshness (NVH) performance of the vehicles. However, with the development of modern vehicle designs such as hybrid vehicles and variable engine management systems whi...

D. Shahbazi-Gahrouei F. Koohian M. Koohian

Background: MR imaging is one of the best diagnostic modalities in medicine. During an MR imaging examination, three types of field are employed to produce images. Various experimental studies have been performed about the effects of each single type of field but only few studies are available on their combination to generate MR imaging. The main objective of this research work is to study the ...

Journal: :Radiology 2000
G J Jager J L Severens J R Thornbury J J de La Rosette S H Ruijs J O Barentsz

PURPOSE To determine the appropriate use of magnetic resonance (MR) imaging for preoperative staging of prostate cancer. MATERIALS AND METHODS Literature review was performed by using the principles of evidence-based medicine and medical technology assessment. A decision analytic model was used to compare (a) the strategy that radical prostatectomy is performed on the basis of clinical stagin...

2017
Xianzhou Zhang Weihua Li Xingyu Wang Kosta Kostidis

This paper presents the development of a magnetorheological (MR) fluid-based variable stiffness and damping isolator for vibration suppressions. The MR fluid isolator used a sole MR control unit to achieve the variable stiffness and damping in stepless and relative large scope. A mathematical model of the isolator was derived, and a prototype of the MR fluid isolator was fabricated and its dyna...

2008
Kwang Y. Lee M. CAO K. W. WANG KWANG Y. LEE

To advance the state of the art of physical-principle-enhanced hybrid artificial neural network (ANN) modeling, network configurations with parallel modules (PMNN) reflecting the structural information of the physical principles have been developed (Cao, 2001). In this paper, the PMNN configuration is applied to develop a scalable and invertible dynamic magneto-rheological (MR) fluid damper mod...

2017
Veerle Kersemans John S Beech Stuart Gilchrist Paul Kinchesh Philip D Allen James Thompson Ana L Gomes Zenobia D'Costa Luke Bird Iain D C Tullis Robert G Newman Aurelien Corroyer-Dulmont Nadia Falzone Abul Azad Katherine A Vallis Owen J Sansom Ruth J Muschel Borivoj Vojnovic Mark A Hill Emmanouil Fokas Sean C Smart

INTRODUCTION Preclinical CT-guided radiotherapy platforms are increasingly used but the CT images are characterized by poor soft tissue contrast. The aim of this study was to develop a robust and accurate method of MRI-guided radiotherapy (MR-IGRT) delivery to abdominal targets in the mouse. METHODS A multimodality cradle was developed for providing subject immobilisation and its performance ...

Journal: :jundishapur journal of natural pharmaceutical products 0
charu mohan marya department of public health dentistry, sudha rustagi dental college, faridabad, india; department of public health dentistry, sudha rustagi dental college, faridabad, india. tel: +91-1292224129, fax: +91-1294230010 meenakshi chopra department of public health dentistry, sudha rustagi dental college, faridabad, india sukhvinder singh oberoi department of public health dentistry, sudha rustagi dental college, faridabad, india ruchi nagpal department of public health dentistry, sudha rustagi dental college, faridabad, india chandan dhingra department of public health dentistry, sudha rustagi dental college, faridabad, india

conclusions the results of the present study indicate that brazilian propolis demonstrated in vitro anti-microbial efficacy against s. mutans and c. albicans. results the antimicrobial efficacy of hexidine against s. mutans and e. coli was higher compared to that of c. albicans. the brazilian propolis (p) mr showed antimicrobial action against s. mutans and c. albicans. the antimicrobial effica...

Journal: :journal of biomedical physics and engineering 0
d. shahbazi-gahrouei prof. of medical physics, dept. of medical physics and medical engineering, school of medicine, isfahan university of medical sciences, isfahan, iran. f. koohian phd student of medical physics, dept. of medical physics and medical engineering, school of medicine, isfahan uni. of medical sciences. m. koohian msc of biochemistry, dept. of biology, shahrekord university, shahrekord, iran.

background: mr imaging is one of the best diagnostic modalities in medicine. during an mr imaging examination, three types of field are employed to produce images. various experimental studies have been performed about the effects of each single type of field but only few studies are available on their combination to generate mr imaging. the main objective of this research work is to study the ...

ژورنال: :مهندسی ژنتیک و ایمنی زیستی 0
دیاکو رسولی diako rasouli zabol universityدانشگاه زابل محمود سلوکی mahmood solouki zabol universityدانشگاه زابل براتعلی فاخری bratali fakheri zabol universityدانشگاه زابل صدیقه اسماعیل زاده بهابادی sedigheh esmaeyl zadeh bahabadi zabol universityدانشگاه زابل

به منظور بررسی اثر منگنز و اسید سالیسیلیک بر بیان ژن منتون ردوکتاز (mr) و میزان منتول در گیاه نعناع فلفلی آزمایشی به صورت فاکتوریل در قالب طرح بلوک­های کامل تصادفی با سه تکرار اجرا شد. فاکتورهای آزمایش شامل زمان (1، 3 و 5 روز بعد از اعمال تیمار) و تیمار (منگنز با غلظت 500 میکرو مولار و اسید سالیسیلیک با غلظت یک میلی مولار) انتخاب شدند. نتایج تجزیه آماری داده­ها نشان­داد اثر منگنز و اسید سالیسیل...

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