نتایج جستجو برای: test and independent t

تعداد نتایج: 17053019  

Journal: :محیط زیست طبیعی 0
محمدرضا اشرف زاده عضو هیئت علمی دانشکده منابع طبیعی، دانشگاه علوم و فنون دریایی خرمشهر، ایران طیبه شاهی کارشناس ارشد محیط زیست، اداره کل حفاظت محیط زیست استان هرمزگان، ایران محمود کرمی استاد دانشگاه آزاد اسلامی، واحد علوم و تحقیقات، ایران جمشید درویش استاد دانشکده علوم، دانشگاه فردوسی، مشهد، ایران

in this study, 52 specimens of adult indian gerbil (tatera indica) were collected by live traps (sherman traps, havahart traps and locally made traps) from range of different habitats of two localities, geno protected area (or geno biosphere reserve) and minab county, hormozgan province. at first, external, cranial and dental characters were measured and then the ratio of measured characters to...

Journal: :بینا 0
نوید نیلفروشان n nilforushan تهران- خ ستارخان- خ نیایش- بیمارستان حضرت رسول اکرم (ص)- مرکز تحقیقا چشم خلیل قاسمی فلاورجانی kh ghasemi falavarjani تهران- خ ستارخان- خ نیایش- بیمارستان حضرت رسول اکرم (ص)- مرکز تحقیقا چشم محمدرضا رازقی نژاد mr razeghinejad تهران- خ ستارخان- خ نیایش- بیمارستان حضرت رسول اکرم (ص)- مرکز تحقیقا چشم پژمان بختیاری p bakhtiari تهران- خ ستارخان- خ نیایش- بیمارستان حضرت رسول اکرم (ص)- مرکز تحقیقا چشم

purpose: to investigate central corneal thickness (cct), endothelial cell characteristics and intraocular pressure (iop) in congenital cataract extracted eyes and to compare the results with eyes of normal age and sex matched controls. methods: cct and iop measurements and specular microscopy were performed in 31 eyes of 17 cases of extracted congenital cataracts and 40 eyes of 20 age and sex m...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی مشهد - دانشکده دندانپزشکی 1390

objective: the objective of this study was to investigate the invitro fluoride release of four new self-adhesive resin cements; set (sdi, australia), breeze (pentron, usa), embrace wetbond (pulpdent, usa), g-cem (gc, japan) and to assess the bonding performance of these self-adhesive resin cements for bonding of orthodontic brackets. materials and methods: for fluoride release experiment, six ...

الحانی, فاطمه, انوشه, منیره, حسین نژاد نی ریزی, اعظم, فقیه زاده, سقراط,

  Introduction & Aim: Cutaneous Leishmaniasis is the second common parasitic disease in Iran. According to several studies, insufficient knowledge of mothers about the prevention strategies related to occurrence of the disease in their children are significant. Therefor, educating of the rural families by home visit program could be effective approach to prevent Cutaneous Leishmaniasis. The obj...

Journal: :iranian journal of nursing and midwifery research 0
mahboubeh valiani sara abediyan sayed mehdi ahmadi saeid pahlavanzadeh akbar hassanzadeh

background : infertility causes psychological and emotional tension in the couples and makes severe stress on infertile men and women. relaxation technique is one of the methods that reduces the stress and can balance the human’s emotions. this study aimed to determine the effect of relaxation on the infertile women’s stress score. methods : this was a semi-experimental and clinical trial study...

Introduction: Facial deformities and aesthetic and functional anomalies in children may be a cause of real distress in families. Problems faced by parents in coping with a child’s anomaly can be upsetting and lead parents to exhibit over-severe behavior. The present study was conducted in order to study the effect of happiness program on the happiness of the mothers of children with a cleft lip...

Journal: :iranian red crescent medical journal 0
hossein shahnazi department of health education and promotion, school of public health, isfahan university of medical sciences, isfahan, ir iran mehri hosseintalaei department of health education and promotion, school of public health, isfahan university of medical sciences, isfahan, ir iran; department of health education and promotion, school of public health, isfahan university of medical sciences, isfahan, ir iran. tel: +98-9133360148, fax: +98-3136688628 fatemeh esteki ghashghaei neurosciences research center, cardiovascular research institute, isfahan university of medical sciences, isfahan, ir iran abdurrahman charkazi department of public health, school of health, golestan university of medical sciences, gorgan, ir iran yahya yahyavi faculty of medicine, tabriz university of medical sciences, tabriz, ir iran gholamreza sharifirad department of public health, school of health, qom university of medical sciences, qom, ir iran

background the world health organization identifies oral health as a necessity for public health through the entirety of life. this issue has been considerably addressed due to susceptibility to tooth decay during pregnancy and maternal and fetal health. results according to the independent t-test, the mean score of knowledge, perceived susceptibility, self-efficacy, and dmft was not different ...

ژورنال: یافته 2018
فروغی پور, حمید, گودرزی, کورش,

Background: Behavioral disorders in preschool children causes a lot of problems. They mainly use medical treatment to solve this problem. But this research looks for a non-pharmacological alternative through the educational games. Materials and Methods: Data were gathered through randomized controlled trial method by using unequal control group design with pre-post test plan. The sample includ...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1391

چکیده آموزش گرامر بخش مهمی از پیشینه تحقیق در فراگیری زبان دوم راتشکیل میدهد. اگرچه بیشتر تدریس گرامر در یک کلاس آموزش زبان انگلیسی بعنوان یک زبان خارجی در سطح جمله تمرکز دارد اما فعالیتهای خواندن و نوشتن یادگیرنده را در سطح متن درگیر میکند. بنابراین معلم باید اصول گرامر را در یک چارچوب ارتباطی بگنجاند. یکی از راهبردهای نیل به چنین هدفی استفاده از تکالیف آگاهی انگیزی گرامری است. هدف از انجام...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2002
Diego A Wisniacki Doron Cohen

The idea of perturbation independent decay (PID) has appeared in the context of survival-probability studies, and lately has emerged in the context of quantum irreversibility studies. In both cases the PID reflects the Lyapunov instability of the underlying semiclassical dynamics, and it can be distinguished from the Wigner-type decay that holds in the perturbative regime. The theory of the sur...

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