درخت حوزه‌های تخصصی

Today, there is a growing trend towards qualitative research in different areas of academic investigations. However, students face difficulties in deciding on qualitative methods of research, because most of the literature on qualitative research focuses on the philosophical and theoretical aspects, and they hardly offer any practical guidelines. This problem is rooted in the essence of qualitative research, which makes the details of the research process unachievable at the beginning. As a result, the features of the sampling plan—like the accurate size and form of the sampling—remain uncertain until after the data has been gathered, and this makes the jury doubtful about the approval of the research proposal. Hence, framing an appropriate and assayable plan for sampling can be of great help in the approval and execution of qualitative research plans. From this perspective, the present article aims to design a framework for a sampling plan in qualitative researches using theoretical sources of the grounded theory method and researchers’ suggestions based on practical involvement, as well as the recent experience of the authors in grounded theory research. By studying these sources, and considering the feedback for and practical involvement in the grounded theory method, a two-stage plan of sampling is proposed. The initial stage aims to ensure adequate diversity for the appropriate distribution of the samples, and the second, as a theoretical sampling stage, guarantees the theoretical attribute of sampling in qualitative research.

HSE management involves managing, controlling and handling all aspects of health, safety and the environment in the petroleum industry with the focus on major accident risk. In the field of residential and building construction ventures the workings met lots of practical hitches like procedure, responsibility, monitoring, evaluation housekeeping at Construction Sites and associated offices, perimeter area, stores, workshops, batching plant, stock yards and labor camp etc. it describes requirement of housekeeping activity at different stages of work & periodicity to maintain site neat & tidy, which should be budgeted, planned & adhered. Before commencing this activity site execution team is recommended to evaluate the foreseeable risk by conducting risk assessment of the particular activity so as to prevent any harm to the engaged team. So we emphasis to resolve this practical hitches by safeguard methods in venture works has been undertaking. We also focused is to address the safe work practices for different activities in construction work, considering its practical and engineering aspects and its implementation at site level under the responsibility of Project Head. Our study is being used for implementation HSE at site. We specifies the topic such as to fill a knowledge gap on site safety issues, to provide handy reference of best practices for frontline management teams, to offer site safety management techniques and tools for use, by practicing these documents effectively, prevention of incidents. This process of technique will help to ensure housekeeping standards and a safe & healthy work environment at all time.

Identity crisis in today's architecture has become the concern of the scholars due to its compliance with modernity, inattention to humans' differences and variety in conditions and contexts for creating architecture works as well as its emphasis on the constant preset patterns. In such circumstances, "Iranian-Islamic architecture pattern" has been introduced by several scholars as a solution for reviving the historical and religious identity to architecture and complying it with the related fields. In this regard, the identification of key factors influencing the components of this pattern can affect the definition of this issue. Therefore, this article tries to introduce the components of Islamic-Iranian architecture and determine the consistency of these components with educational content of architecture (particularly, at B.A level). This study has employed a qualitative approach, determined the components of Islamic-Iranian architecture and the consistency of the content of architecture with that components through the simulation research method. The findings show that in the current program of architectural education, the share of training the Islamic principles, personal and social values and contexts is very low compared to the share of training the architecture tools. On the other hand, architectural education has mostly emphasized teaching the architectural tools rather than the fundamentals, which prevents the architecture students to form a holistic insight into the issue.

Today, with the development of urbanization and increased abnormal behaviors, particularly urban crimes, prevention of social harms is of great importance. Social Sciences and Urban Development can prevent crime in urban areas by understanding cultural and social traits alongside other actions, in a way that the wrongdoer finds less opportunity for acting a criminal behavior in urban areas. The theory of social capital is intrinsically simple and affecting many other components. The core idea of social capital can be found and summed up in the word "relationship". Members of the community can cooperate and work together through making contacts with each other sustaining this relation. And thus they learn things that cannot be easily achieved alone or is hard-won. Humans are linked through a series of interconnected networks and tend to have values in common with other members of the network. And by expanding networks constitute an asset that can be considered as a form of capital. Obviously, the more people get to know each other and the more common outlook is found within them, we'll have a richer social capital. On this basis, this research will examine social capital in two dimensions, cultural (types of the trust) and structural (social participation and emotional and material support of network). And tries to study the relationship between social capital and social problems in the Pardis new city after explaining the concept of social capital; This research was conducted with survey method using a questionnaire technique. The statistical populations of the study are residents of Pardis new town, who have been selected though a random cluster sampling method. The sample size was determined as 400 people using Cochran Formula and finally data analysis was done with SPSS Software. The results show that increasing social capital components (cooperation, solidarity and social relations), social problems in new towns is reduced.

In last decades, the skillful planning of land resources has become a major issue for rural development. The development of cultivated areas becomes gradually impossible due to ever increasing population growth and urban development. Fuzzy logic is preferred to Boolean logic for land evaluation, because fuzzy techniques lead to estimate for land use suitability on a continuous scale and can therefore, be more informative than the Boolean technique. The objective of this study is to apply fuzzy set methodology in the context of a decision making process known as the Analytic Hierarchy Process (AHP) to land evaluation for irrigated wheat. The results revealed that the results obtained with fuzzy AHP method are in better agreement (R2=0.911) with the observed yield as compared to those obtained with parametric method (R2=0.804). Although, the fuzzy AHP provided more efficient and accurate results than parametric method, the choice of membership functions, width of the transition zones and weight values are determinant to achieve its realistic results in land suitability assessment.