بیماریهای پوستی و بررسی آن در صنایع کوچک فلزی اصفهان و طرق پیشگیری

حوادث ناشی از کار و بررسی آن در صنایع کوچک اصفهان و ارائه طرق پیشگیری

چکیده ندارد.

واریس و اپیدمی آن در کارگران صنایع کوچک فلزی اصفهان

چکیده ندارد.

Degenerate Four Wave Mixing in Photonic Crystal Fibers

In this study, Four Wave Mixing (FWM) characteristics in photonic crystal fibers are investigated. The effect of channel spacing, phase mismatching, and fiber length on FWM efficiency have been studied. The variation of idler frequency which obtained by this technique with pumping and signal wavelengths has been discussed. The effect of fiber dispersion has been taken into account; we obtain th...

طرق تشخیص بیماریهای کبد و مجاری صفراوی

بررسی فراوانی بیماریهای پوستی در خوابگاههای

Background: Skin disorders especially infectious and contagious diseases are quite common in crowded environment. Few epidemiological studies have been conducted among university students, thus the present study was carried out to determine the frequency of skin disorders among university students in Shahid Beheshti University of Medical Sciences' dormitories. Materials and methods: Totally, 1...

بررسی ارتباط درک ذهنی و فیزیولوژیکی سختی کار در کارگران یکی از صنایع فلزی اصفهان

Background: The importance of ergonomics is to create fit between work and human physiology using assessment methods of physical, physiological and subjective evaluation. The most commonly used tool for assessment of subjective symptoms is Borg scale during physical work and heart rate in physiological situations. This study is based on a subjective and physiological assessment during hard work...