نتایج جستجو برای: pulsed eddy current pec

تعداد نتایج: 825071  

Journal: :Journal of biomedical materials research. Part A 2013
Felix Mashingaidze Yahya E Choonara Pradeep Kumar Lisa C du Toit Vinesh Maharaj Eckhart Buchmann Valence M K Ndesendo Viness Pillay

The relationship between mucin (MUC) and pectin (PEC) was explored in an attempt to understand the biomacromolecular interactions that occur at mucosal surfaces when mucus membranes are exposed to PEC-based materials. These interactions were explored through techniques, such as attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy, SEM imagery of lyophilized MUC-PEC ble...

Journal: :International journal of hyperthermia : the official journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group 2016
Robert V Stigliano Fridon Shubitidze James D Petryk Levan Shoshiashvili Alicia A Petryk P Jack Hoopes

BACKGROUND Magnetic nanoparticle hyperthermia therapy is a promising technology for cancer treatment, involving delivering magnetic nanoparticles (MNPs) into tumours then activating them using an alternating magnetic field (AMF). The system produces not only a magnetic field, but also an electric field which penetrates normal tissue and induces eddy currents, resulting in unwanted heating of no...

2009
S. Yan S. He Z. Nie J. Hu

In this paper, we first review the Phase Extracted (PE) basis functions by recalling the derivation which shows that the induced current on a PEC surface has the propagating phase factor the same as the incident wave in a scattering problem. The wide band characteristic of this PE basis functions has been investigated by demonstrating that very wide band radar response from PEC objects can be s...

Journal: :International Journal of Numerical Modelling: Electronic Networks, Devices and Fields 2004

2013
I. Z. Abidin M. N. Salleh M. Y. Yusof M. M Ibrahim

Fusion of NDT techniques has proven to increase the capability and reliability of defect detection thus improve inspection results. It can also provide solution for the limitations posed by a single NDT technique in acquiring the intended information and so achieving the required inspection efficiency. Eddy current thermography is an emerging technology in advanced NDT, which provides and alter...

2009
Gerhard Mook

The paper presents two tools for teaching the basics of eddy current inspection. The first tool is a semi-quantitative simulation code showing the correspondence between probe action and signal behaviour. The student guides a virtual probe over a virtual workpiece with different defects. The measurement immediately appears in the normalized impedance plane. The second tool is a complete eddy cu...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علم و صنعت ایران - دانشکده مهندسی عمران 1384

پیدایش دهانه آزاد بعلت ناهمواری های بستر دریا و یا در اثر پدیده آبشستگی مسئله ای اجتناب ناپذیر برای خطوط لوله فراساحلی که بصورت غیر مدفون بر روی بستر دریا قرار گرفته اند، می باشد. در اثر ایجاد دهانه آزاد، مسئله رخ دادن جریانات گردابه ای در پیرامون این خطوط و اندرکنش نیروهای دینامیکی وارده از طرف سیال به خطوط، امکان ایجاد پدیده تشدید را افزایش می دهد. بمنظور جلوگیری از رخ دادن این پدیده که مشکلا...

2000
Andrea Brozzetti Simone Fiori Pietro Burrascano Ermanno Cardelli

|With this paper we aim at presenting a neural based approach to conductivity distribution reconstruction by eddy current (EC) data inversion. Keywords| Electromagnetic non-destructive test, Eddy current inspection, Maximum-likelihood data inversion. I. Numerical determination of variation in

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