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Aims: Nowadays, people are exposed at large quantities of magnetic field due to industrialization of the environment; therefore, studying the effect of these fields on human health is very important. The aim of this study was to investigate the effect of extremely low frequency (ELF) magnetic field on the quantity and structure of hemoglobin of employees in electricity industry.
Materials and Methods: The present experimental study was carried out in the employees of a power generation plant in Tehran in 2017. Using total population sampling method, 29 employees of exploitation department were selected as exposed group and 29 employees of administrative and support department were selected as unexposed group. The magnetic field intensity of the power generation plant was studied by NIOSH 203 method. Blood samples were collected from two groups of people; hemoglobin concentration in blood samples were evaluated by spectrophotometer and changes in hemoglobin structure were analyzed by Fourier-transform infrared spectroscopy. The data were analyzed by SPSS 16, using the Mann-Whitney U test.
Findings: The mean of hemoglobin concentration in the exposed group (15.67±1.42) was significantly different from that of the unexposed group (17.31±3.03), so that the hemoglobin level of the exploitation department staff was lower than that of the administrative and support staff (p<0.0001). Fourier-transform infrared spectroscopy showed significant changes in the 1413 and 11430cm^-1 between the exposed and unexposed groups.
Conclusion: Contact with extremely low frequency of magnetic field causes changes in hemoglobin quantity and its molecular structure in employees in electricity industry.

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Selecting a country or countries for entering foreign markets is considered a strategic decision that require significant consideration and deliberation. The quality of such decision will bring about some conditions and necessities for an enterprise and can potentially affect the possibility of advantage creation, exchange cost as well as the effective capability of transferring knowledge in companies. Although presence in global markets can be beneficial and bring many advantages for an enterprise, it can also be as much risky and pose numerous risks. Major risks that can be incurred depend on the selection of foreign markets and the status of presence in that markets, but sound decision making in every field requires identification of effective variables of the decision and having adequate and relevant information in that field. This research examines and identifies effective macro indexes for selecting export markets in steel industry and after identification and prioritizing mentioned indexes, will work on screening and removing markets in which Mobarakeh Steel Company won't have competitive advantage. Screening the countries has been done in two stages and finally has been presented a list of 45 countries out of 193 that are members of the United Nations and can be suitable markets for this company. The research findings show that environmental and political-legal indexes reflect much more importance among other identified indexes to determine target markets. Economical indexes mirror medium importance while social-cultural and technological indexes are considered the least important ones among others.
 

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As non-profit organizations, universities have specific goals and missions, their performance must be assessed for exploiting their limited available resources and achieving organizational goals. The purpose of this study is to employ the obtained strategies for evaluating the status of research area in the Islamic Azad University using SWOT analysis and design the research development model of the university through social marketing mix. A mixed methods research (quantitative-qualitative) has been used for the study carried out in two stages. In the first stage, SWOT analysis is used and in the second stage, social marketing is employed given the extracted strategies in the previous stage. In the qualitative section, the statistical sample included experts (deputies, research managers, students and professors who were the members of the young researchers club in the first stage and assistant and associate marketing professors in the second stage) selected via purposive sampling and theoretical saturation. In quantitative section, the research was descriptive and field-based where the statistical sample included 370 respondents from university branches at Tehran and Alborz provinces and selected via stratified random sampling. According to Cronbach alpha coefficient, reliability of the SWOT questionnaire was estimated equal to 98% and that of social marketing was equal to 96%. According to the results of the study, integrated social marketing could result in favorable research behavior.