چکیده کنه تارتن دو لکه ای tetranychus urticae koch یکی از چندخوارترین آفات شناخته شده محصولات کشاورزی دنیا به حساب می آید. در این بررسی جمعیت تخم و مراحل فعال این کنه در شرایط آلودگی طبیعی و مصنوعی در برگ های 8 رقم لوبیا در سال 1392 در گلخانه و مزرعه تحقیقاتی دانشکده کشاورزی دانشگاه ارومیه موردمطالعه قرار گرفت. آزمایش به صورت طرح کاملاً تصادفی برای شرایط مزرعه در10 تکرار و برای شرایط گلخانه ای...

Introduction: Anthropometric has an important role in industrial management and also occupational health and it is needed that its information collected regularly. Even though before anthropometric among different Iranian nations have not been studied, present research has been done aimed to evaluation the different anthropometric factors in Iranian workers, in six Iranian nations and preparing...

This paper investigates the potential for ethnic conflict in Sistan and Balouchistan province with an emphasis on social inequality using document analysis method. Combination of three basic theories of ethnic conflict, namely "security theory", "opportunity theory" and the theory of "oppression" were used simultaneously. The findings show that Sistan and Baluchistan province suffers from mor...

The aim of this study is to understand the perception of the residents of Baloch Abad village about the causes and consequences of residential displacement using a critical ethnographic approach. This approach is suitable for studying phenomena such as residential relocation, which are the result of the decisions of the planning system and in most cases is faced with the unwillingness and lack ...

the main objective in sampling is to select a sample from a population in order to estimate some unknown population parameter, usually a total or a mean of some interesting variable. a simple way to take a sample of size n is to let all the possible samples have the same probability of being selected. this is called simple random sampling and then all units have the same probability of being ch...

the study aims to achieve research and testing of hypotheses survey techniques and questionnaires to collect information used. 61 questions in the questionnaire included 15 questions and 46 open questions according to research in the study population, girls and their mothers as the value of different children investment should be. mothers according to the research community benefits from havi...

the purpose of this study was to investigate the relationship between teachers’ class management practices with students’ self- regulated learning and academic self-efficacy. in this study relating to the management class, three dimensions, (training management, people management and behavior management) and three style (interventionist, interactionist and non-interventionist) was considered. r...