abstract this study was carried out to compare disinfecting effects of nanosilver with other feed disinfectants on layer hen performance, immune system, gastrointestinal microflora and intestinal morphology. total of 90 layers (lsl) were divided into five groups consisting: 1-control, 2- formalin (200 ppm), 3- formaycin (200 ppm), 4- nanosilver in drinking water (7.5 ppm) and 5-nanosilver in f...

Lavandula angostifolia is one of the medicinal plants that has many medicinal properties. In the present study, different levels of Lavandula angostifolia extract were studied on hematological parameters, liver enzymes and approximate carcass composition in Ctenopharyngodon idella. The fish were placed in the form of four treatments in three replications (30 repetitions per fish). The fish were...

In order to study changes in morphophysiological traits of wheat cultivars released from 1940 to 2000 in Iran and to determine the association of these traits with grain yield, an RCBD experiment was conducted with 15 wheat cultivars released during past 60 years in Arsanjan (Fars province) in 2006 and 2007. Results indicated that grain yield increased significantly during these 60 years (r=0.9...

any change in the refractive index of a laser active medium can lead to serious degradation of beam quality, laser beam modes, laser performance and variation in the intensity distribution. alteration in the refractive index of laser active medium is especially notable in high power lasers. it is clear that in the laser beam production, the pumping agent induces a great amount of heat which...

Introduction: Assertiveness, is one of the life skills that effects on increasing self-esteem, logical expression of thoughts and feelings, reducing anxiety, improving social  communication skills and supporting human rights and finally increasing life satisfaction and happiness Objective: This study aimed to determine effects of Gestalt therapy on assertiveness of nursing students M...

In biaxially strained p-MOSFET with Si channel, formation of a parasitic parallel channel due to misalignment of energy bands degrades device performance by increasing off-state current. In this paper a new approach has been introduced to eliminate this parasitic channel by increasing the dopant concentration of virtual substrate up to . Using simulation the impact of this method on the parasit...