نتایج جستجو برای: damage experiment

تعداد نتایج: 669900  

An experimental setup is designed to detect composite delamination damage based on ultrasonic infrared thermography. The ultrasonic infrared thermography system is composed by ultrasonic excitation system, infrared thermal imager and data acquisition system and two damaged composite plate specimens are produced in the experiment. The image processing methods including thresholding, filters, edg...

Journal: :international journal of marine science and engineering 2012
a. mashinchian moradi h. mozdarani p. alidoust salimi m. alidoust salimi

malathion (s-(1, 2-dicarboethoxyethyl) o, o-dimethyl phosphorodithioate) is one of the organophosphate pesticides comprehensively used in agriculture fields throughout the world. in spite of widely used, little information are available about dna damage in aquatic organisms. therefore, the present study carried out to investigation of dna damage induced by malathion in cyprinus carpio (pisces: ...

Journal: :international journal of marine science and engineering 0
a. mashinchian moradi department of marine biology, graduate school of marine science and technology, science and research branch, islamic azad university, tehran, iran h. mozdarani department of medical genetics, faculty of medical sciences, tarbiat modares university, tehran, iran p. alidoust salimi department of marine biology, graduate school of marine science and technology, science and research branch, islamic azad university, tehran, iran m. alidoust salimi department of marine biology, graduate school of marine science and technology, science and research branch, islamic azad university, tehran, iran

malathion (s-(1, 2-dicarboethoxyethyl) o, o-dimethyl phosphorodithioate) is one of the organophosphate pesticides comprehensively used in agriculture fields throughout the world. in spite of widely used, little information are available about dna damage in aquatic organisms. therefore, the present study carried out to investigation of dna damage induced by malathion in cyprinus carpio (pisces: ...

A. Mashinchian Moradi H. Mozdarani M. Alidoust Salimi P. Alidoust Salimi,

Malathion (S-(1, 2-dicarboethoxyethyl) O, O-dimethyl phosphorodithioate) is one of the organophosphate pesticides comprehensively used in agriculture fields throughout the world. In spite of widely used, little information are available about DNA damage in aquatic organisms. Therefore, the present study carried out to investigation of DNA damage induced by malathion in Cyprinus carpio (Pisces: ...

Journal: :پژوهش های تولید گیاهی 0
حامد بخرد دانشجو بتول مهدوی عضو هیات علمی دانشگاه ولی عصر (عج) رفسنجان اصغر رحیمی عضو هیات علمی دانشگاه ولی عصر (عج)رفسنجان

background and objectives: alkalinity stress caused by the alkaline salts such as na2co3 or nahco3 in the soil. alkaline stress affected germination, growth and crop productivity. moreover, the alkalinity stress can directly damage plant growth, alter the availability of nutrients, and disrupt the balance of ions and mineral nutrition. the application of different seed pretreatment methods is o...

Journal: :Poultry science 2015
K M Hartcher K T N Tran S J Wilkinson P H Hemsworth P C Thomson G M Cronin

This experiment investigated effects of environmental enrichment and beak-trimming during the rearing period on behavior in rearing and plumage damage later in life. Treatments were applied in a 2 × 2 factorial arrangement. Half of the birds were beak-trimmed at 1 d of age using an infra-red laser. A follow-up light-trim was performed at 11 wk of age with a hot blade. Environmental enrichment c...

Journal: :Risk analysis : an official publication of the Society for Risk Analysis 2015
Michael S Hand Matthew J Wibbenmeyer David E Calkin Matthew P Thompson

Wildfires present a complex applied risk management environment, but relatively little attention has been paid to behavioral and cognitive responses to risk among public agency wildfire managers. This study investigates responses to risk, including probability weighting and risk aversion, in a wildfire management context using a survey-based experiment administered to federal wildfire managers....

Journal: :Journal of cognitive neuroscience 2002
Susan M Ravizza Michael A Ciranni

Impairments of set shifting have been associated with damage to both the prefrontal cortex (PFC) and to the basal ganglia. The purpose of these experiments was to determine whether damage to the PFC was associated with shifting impairments per se or whether any switching deficits could be attributed to a reduction of working memory capacity. In contrast, shifting impairments were expected for P...

Journal: :Acta neurobiologiae experimentalis 1988
J F Brennan C A Cohen P A Bertucci

In Experiment I, 18 weanling and 18 adult male rats received bilateral electrolytic lesions of the dorsomedial or ventrolateral prefrontal cortex, or the hippocampus, while 12 additional pups and adults served as nonoperated controls (n = 6/group). Subjects were observed for perseverative responding in acquisition of a stepup avoidance task, followed by reversal training and extinction. Thirty ...

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