نتایج جستجو برای: significantly in all test days except day 3 control treatments tvb

تعداد نتایج: 17672427  

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - دانشکده ادبیات و علوم انسانی 1390

abstract the present study tried to investigate the effect of visual aids (films) on the development of the speech act of disagreement among iranian efl intermediate learners. to this end, the researcher selected 40 homogeneous intermediate learners based on their scores on oxford placement test. .the subjects then divided into control group and experimental group. both classes were tested by ...

The aim of this study was to investigate the effect of commercial herbal and chemical medicines on growth performance, serum lipids, intestinal selected bacterial population and intestinal morphology of broiler chickens. In this study, 450 day-old female broiler chickens (Arian strain) were divided into 10 treatments with three replicates of 15 chicks per replicate. On day 14 of the experiment,...

Journal: :علوم باغبانی 0
مختار حیدری عبدالمجید میرزا علیان دستجردی نوازاله مرادی

abstract the effect of different levels of potassium permangenate (kmno4) on quality of mango fruits were studied over a period of 21 days. a factorial trial in the form of complete randomized design as three levels of kmno4 (0, 5 or 10 g. kg-1 fruit) and three time period (7, 14 or 21 days) was used. means were compared using duncan’s test (p< 0.05). compositional parameters (ph, acidity, tota...

Journal: :علوم دامی ایران 0
سید ناصر موسوی استادیار، دانشگاه آزاد اسلامی واحد ورامین - پیشوا محمود شیوازاد استاد، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج محمد چمنی استادیار دانشگاه آزاد اسلامی واحد علوم و تحقیقات هوشنگ لطف اللهیان استادیار پژوهشی، موسسه تحقیقات علوم دامی کشور علی اصغر صادقی استادیار دانشگاه آزاد اسلامی واحد علوم و تحقیقات

in this research 400 ross 308 breeder fertile eggs were weighed at day 16 of incubation and evenly distributed into 4 treatments with 4 replicates per treatment and 25 eggs per replicate in a crd design. on day 18 of incubation, 1 ml of an in ovo feed solution including: i) carbohydrate (cho), ii) amino acid (aa), and iii) butyric acid solution in 0.5% saline was injected into amniotic fluid of...

Changes in the activity of antioxidant enzymes, proline, and total soluble carbohydrates (TSC) were evaluated in tomato (Solanum lycopercicum cv. Superchief) plants in response to salicylic acid (SA) and jasmonic acid (JA) and inoculation with CMV (Cucumber mosaic virus) on days 0, 1, 2, 4, 6, 8, and 15 after virus inoculation (dpi). Results showed that proline content increased in all treatmen...

Journal: :dental research journal 0
farahnaz arbabzadeh- zavareh tim gibbs ian a. meyers majid bouzari shiva mortazavi laurence j. walsh

background: as glass ionomers have the ability to reload fluoride from outside sources, the aim was to compare the recharge pattern of six glass ionomer cements after exposure to fluoride. materials and methods: fuji vii, fuji ix, riva pink, riva bleach, ketac fil and fuji ix extra were investigated. the fluoride-containing materials used were tooth paste and mouth wash (colgate). specimens of ...

Journal: :تحقیقات دامپزشکی 0
ابوالفضل رجب دامپزشکی کل کشور محمدحسن بزرگمهری فرد دانشگاه تهران زهره خاکی دانشگاه تهران مهرداد مدیرصانعی دانشگاه تهران بهرام شجاعدوست دانشگاه تهران سیدمحمدمهدی کیایی دانشگاه تهران

coccidiosis is one of the most important disease in poultry. since using of anti-coccidial drugs or vaccination are considered as the most common preventive measures of this disease, an experiment was conducted to compare effectiveness of these methods. nine hundred and sixty day-old male ross broiler chicks were randomly assigned to eight treatments and fed with a corn-soybean meal basal diet ...

Journal: :physiology and pharmacology 0
hamid sepehri department of physiology, faculty of medicine, golestan university of medical sciences, gorgan, iran farzaneh ganji department of biology, faculty of science, golestan university, gorgan, iran famemeh bakhshandeh department of biology, faculty of science, golestan university, gorgan, iran

introduction: the brain renin-angiotensin system (ras) has been reported having a pathological role in age-related impairment in learning and memory. therefore, angiotensin converting enzyme inhibitors (acei) are expected to have positive effects on memory. longtime treatment with captopril (an angiotensin converting enzyme inhibitor) significantly attenuates the age-related impairment in learn...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1392

the present study was an attempt to compare the effect of peer metalinguistic corrective feedback on elementary and intermediate efl learners speaking ability to see which level benefits more from this type of feedback. to this end, 117 female efl learners at grade 3, al-zahra high school in kermanshah, iran were non-randomly chosen. the homogeneity of the participants was attained through a pi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده برق و کامپیوتر 1391

in the area of automotive engineering there is a tendency to more electrification of power train. in this work control of an induction machine for the application of electric vehicle is investigated. through the changing operating point of the machine, adapting the rotor magnetization current seems to be useful to increase the machines efficiency. in the literature there are many approaches wh...

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