نتایج جستجو برای: path analysis

تعداد نتایج: 2930770  

Journal: :پژوهش های کاربردی زراعی (زراعت سابق) 0
سجاد کردی باشگاه پژوهشگران جوان و نخبگان، واحد خرم آباد، دانشگاه آزاد اسلامی، خرم آباد، ایران ماشاالله دانشور استادیار گروه زراعت و اصلاح نباتات، دانشکده کشاورزی، دانشگاه لرستان، خرم آباد، ایران منوچهر سیاح فر استادیار مرکز تحقیقات کشاورزی و منابع طبیعی خرم آباد، خرم آباد، ایران قدرت الله شاه کرمی استادیار گروه زراعت، دانشکده کشاورزی، دانشگاه آزاد اسلامی واحد خرم آباد، خرم آباد، ایران

to determine the correlation between grain yield and its components in some grain corn hybrids and their cause and effect relationships in various fertilizer application methods, an experiment was carried out as split plot based on randomized complete block design with two fertilizer application methods (urea foliar application and soil application method), four grain corn hybrids (ns 640, kons...

Journal: :iranian journal of public health 0
sh salarilak hr khalkhali r entezarmahdi fg pakdel hr faroukheslamloo

background: infant mortality is one of the main indexes in the assessment of a society's access to the primary health care ser­vices. many factors are involved in this regard. the present study aimed at determining the structural association be­tween socio-economic variables and the rate of infant mortality rate. methods: the required data and information were collected from the multiple indica...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده مدیریت و اقتصاد 1391

abstract nowadays, industries cannot play a crucial role in national and international competitions. the tourism industry is no exception. tourism industry development as the most important economic sector and income generation is one of the key challenges of economic development in the world. therefore, countries were successful that take advantage of the capabilities of tourism sector using ...

Journal: :journal of rangeland science 2012
ali ashraf jafari milad lak ghasem assadian

. in order to study the variation for seed yield and its components, 200 accessions of alfalfa (medicago sativa l.) were sown as drilled plots, using alpha designs/unreplicated with two repeated entries with in all of 10 blocks under dry land farming system in kabodarahang research station, hamadan, iran, during 2010 to 2011. data were analyzed for descriptive statistics, correlation, regressio...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده حسابداری و مدیریت 1392

هدف از انجام این پژوهش بررسی عوامل مرتبط با اعتماد اجتماعی در بین افراد 60-25 سال شهر دهدشت در سال 1392می باشد. این پژوهش به روش پیمایشی و به صورت توصیفیی و تحلیلی انجام گرفته است. جهت تعیین حجم نمونه به روش آماری 400 نمونه از جامعه آماری انتخاب شده است. پس ازجمع آوری اطلاعات در قالب پرسشنامه استاندارد شده جو سازمانی ، داده ها به کمک نرم افزار spss و آزمونهای آماری تحلیل مسیر (path analysis) آز...

Journal: :تحقیقات مهندسی کشاورزی 0
ابوالفضل ناصری استادیار پژوهش بخش تحقیقات فنی و مهندسی مرکز تحقیقات کشاورزی و منابع طبیعی آذربایجان شرقی محمدرضا نیشابوری استاد گروه خاکشناسی دانشکده کشاورزی دانشگاه تبریز

soil infiltration characteristics affect the design, evaluation and management of furrow irrigation over afield. on the other hand, different variables influence furrow infiltration, making infiltration modeling for afield a complex process. this study was conducted to investigate the direct and indirect effects of allvariables affecting furrow infiltration. the blocked furrow method was used t...

Journal: :پژوهش های حبوبات ایران 0
بیطرف بیطرف خدامباشی خدامباشی هوشمند هوشمند

the purpose of this study was to describe the association between grain yield and its components. the experiment was conducted in a randomized complete block design with three replicatsions. results of analysis showed that similar trends were observed for genotypic and phenotypic correlations and in most cases, the value for genetic correlation was greater than phenotypic value. 100-seed weight...

Journal: :medical journal of islamic republic of iran 0
mohammad reza dayer department of biology, faculty of science, shahid chamran university, ahvaz, iran.سازمان اصلی تایید شده: دانشگاه شهید چمران (shahid chamran university) maysam mard-soltani medical education development center, dezful university of medical sciences, dezful, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی دزفول (dezful university of medical sciences) mohammad saaid dayer faculty of medical sciences, tarbiat modares university, tehran, iran.سازمان اصلی تایید شده: دانشگاه تربیت مدرس (tarbiat modares university) sayed mohammad reza alavi department of statistics, faculty of mathematics and computer sciences, shahid chamran university, ahvaz, iran.سازمان اصلی تایید شده: دانشگاه شهید چمران (shahid chamran university)

background: type 2 diabetic mellitus patients are amongst the most susceptible groups to vascular abnormalities, which predominantly lead to myocardial disease. the hypercoagulable state has been widely studied by researchers as being the major suspicious mechanism facilitating the consecutive chain of molecular events leading to these complications. however, there is no consensus on the defini...

Journal: :medical journal of islamic republic of iran 0
mohsen asadi-lari department of epidemiology, school of public health, iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) jafar hassanzadeh research center for health sciences, department of epidemiology, school of health, shiraz university of medical sciences, shiraz, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (shiraz university of medical sciences)سازمان های دیگر: مرکز تحقیقات علوم بهداشتی mansour torabinia school of medicine, dezful university of medical sciences, dezful, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی دزفول (dezful university of medical sciences) mohammad reza vaez-mahdavi department of physiology, shahed university, tehran, iran.سازمان اصلی تایید شده: دانشگاه شاهد (shahed university) ali montazeri mental health research group, health metrics research center, iranian institute for health sciences research, acecr, tehran, iran.سازمان های دیگر: health metrics research center haleh ghaem research center for health sciences, department of epidemiology, school of health, shiraz university of medical sciences, shiraz, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (shiraz university of medical sciences)سازمان های دیگر: مرکز تحقیقات علوم بهداشتی

background: social capital has been defined as norms, networks, and social links that facilitate collective actions. social capital is related to a number of main social and public health variables. therefore, the present study aimed to determine the factors associated with social capital among the residents of tehran, iran.   methods: in this large cross-sectional population-based study, 31531...

Journal: :iranian red crescent medical journal 0
roghayeh chenary department of health, ilam university of medical sciences, ilam, ir iran azita noroozi department of health education and promotion, bushehr university of medical sciences, bushehr, ir iran; the persian gulf marine biotechnology research center, bushehr university of medical sciences, bushehr, ir iran; department of health education and promotion, school of health, bushehr university of medical sciences, bushehr, ir iran sedighe sadat tavafian department of health education, tarbiat modares university, tehran, ir iran maliheh saeed firoozabadi the persian gulf marine biotechnology research center, bushehr university of medical sciences, bushehr, ir iran

conclusions perceived social support is the most important factor that influences health-promoting behaviors. increasing social support by enhancing self-efficacy and decreasing perceived barriers can improve health-promoting behaviors among veterans. background health-promoting behaviors can enhance physical and mental health among individuals with disability, particularly veterans. objectives...

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