نتایج جستجو برای: obstacles and problems
تعداد نتایج: 16886269 فیلتر نتایج به سال:
The purpose of this research is to study and analyze the problems,obstacles and labor qualities of temporary markets of Tehran in holidays. The research method is documentary, survey and field-work andsampling method is related to cluster and systematic one. The population ischosen from all customers and sellers in temporary markets. In this research, it uses of Amos 5 and SPSS16 soft wares and...
Designing wireless sensor networks should meet appropriate parameters such as quality of service (QoS) defined by different users. The variable physical conditions of the environment, processing and transmission power limitations and limited communication capabilities are the most important obstacles that influence QoS parameters such as throughput, delay, reliability and network lifetime. The ...
Introduction: Universities are the most important setting for science production and organizing academic research is one of the most effective strategies in society development. The main idea of this study was identifying the internal barriers to academic research from viewpoint of faculties in Shiraz University of Medical Sciences. Main question was which obstacles affect research activity fro...
Ḥadīth is considering as the most important source to know the religion of Islam after the Quran. Therefore, studying Ḥadīths is necessary to know Islam teachings in respect of beauty, art and recognizing art condition in the early Islamic period. However, little attention is paid to Ḥadīth in art studies. For having the most out of Ḥadīths, obstacles and restrictions confronting the art resear...
in this thesis, using concepts of wavelets theory some methods of the solving optimal control problems (ocps). governed by time-delay systems is investigated. this thesis contains two parts. first, the method of obtaining of the ocps in time delay systems by linear legendre multiwavelets is presented. the main advantage of the meth...
Background and purpose: Research is one of the significant foundations of community development, which requires understanding the capabilities, weaknesses and strengths of programs. This study aimed at investigating the motivations and barri ers to research in clinical faculty members. Materials and methods: This descriptive-analytical study was conducted in clinical faculty members (surgeon a...
the main purpose of this research was to analyze socio-cultural obstacles of disseminating ofnanotechnology in iran's agricultural section. one hundred twenty eight out of a total of 190researchers with different levels of expertise in and familiarity with nanotechnology wererandomly selected and questionnaires completed by them. face validity have been done by expert'ssuggestion and correction...
Objectives: Retirement as a potential challenge transition in aging has different effects on elderly people’s lives. The purpose of this study was to identify the psychosocial consequences, obstacles, and facilitators of retirement. Methods &Materials: The conventional content analysis method was used in this study. Samples were based on maximum diversity and purposeful sampling strateg...
construction plans are regarded as the basis of the economy in the society. any delays in the utilization of projects can cause to waste the investments and the loss of technical and economic justifications. in this paper, the barriers of on-time delivery in water projects will be scrutinized in mazandaran regional water company. so, the independent variables such as management obstacles, cultu...
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