gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...

ABSTRACT Introduction : General anesthesia with endotracheal intubation for smokers who are elected, being irritable airways due to the high risk of Broncho spasm‚hypoxia and coughing fallow post operation. The purpose of this study : comparison of three methods of preparation, heavy smokers with normal spirometry on pulmonary complications after coronary artery bypass surgery Methods: I...

Background and Aim: The treatment of epulis fissuratum is surgery, but a new proposed modality is laser surgery. The aim of this study was the comparison between laser and blade surgery in the treatment of epulis fissuratum. Materials and Methods: In this clinical trial, 12 patients with epulis fissuratum were selected. The lesions were divided into two parts. One part was resected by laser and...

Background: Nowadays, new methods are emerging each month for a better operation with fewer complications. Laparoscopic surgery have remarkable advantages, Compared to open, such as smaller incision, less manipulation of the digestive system, less postoperative pain, fewer wound complication and faster discharge from the hospital. Therefore it is preferred by patients and surgeons and is replac...

Background and Objectives: Laparoscopic cholecystectomy as a non- invasive method in surgery is becoming common leading to brilliant results and reduction of costs. Numerous studies have investigated this method with different results. Regarding the establishment of this surgery method in Zanjan and lack of accurate data concerning the results the present study was conducted to evaluate the res...

Background: The waiting list is a list of selected patients in the surgical queue. If demand exceeds capacity, the waiting list grows rapidly, which may lead to unacceptable waiting for patients, especially those in need of acute medical care. Patients waiting for heart surgery are placed on the waiting list for surgery, and sometimes the waiting time is longer than patients expect. Reducing th...

جهت بهینه سازی شرایط تولید پروتئین هیدرولیز شده (شامل نسبت آنزیم به سوبسترا، دما و زمان) به منظور دستیابی به بالاترین خواص آنتی اکسیدانی، مینس تهیه شده از ضایعات میگوی ببری سبز (penaeus semisulcatus) پس از تعیین درصد پروتئین آن (13%، بر اساس وزن تر) با استفاده از دو پروتئاز تجاری آلکالاز و فلاورزایم بر اساس 18 تیمار تعیین شده با طرح آزمایشات سطح پاسخ برای هر آنزیم، هیدرولیز شده و با خشک کن انجم...

in this project, some new polyaspartimides, (pas)s, have been synthesized form michael addition reaction between new synthetic bismaleimide (bmi) and some aromatic diamines. a characteristic property of this polyaspartimides is a pendent carboxylic group, which introduced to these polymers from new bismaleimide. bismaleimides (bmi) is one of the interesting compounds, which can be self-polymeri...