all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...

The goal of this research is determining the effective factors on stocks price index using Fuzzy approach in Tehran Stock Exchange. Based on the literature, a sample of 150 people has been selected using group sampling among 500 people by application of Fuzzy technique and SPSS software. The targeted model is extracted by gathering data through documentation, interview and questionnaire with 86...

Background and aim: An important factor to tendency for read and increase per capita reading is enjoy the reading. Pleasure reading has significant impact on the continuity of reading and lifelong readers. This is very important in Iran due low per capita. It must be understood what factors are influencing and creating of Pleasure reading. Therefore, this study aim is, identify the experiences ...

Introduction: Medical ethics is an analytical attempt that deals with various aspects of ethical decision making in medicine. According to the importance and goals of medical ethics, this study is an endeavor to evaluate strengths and weaknesses (internal factors) as well as opportunities and threats to medical ethics education (external factors) using SWOT (Strengths,Weakness, Opportunities, a...

one of the most important factors in study of project’s , is the study of environmental opportunities factors the permanent study of environmental opportunity factors . the study of permanent environmental changing and knowing golden threats’ cooperate with possible threats and at the result in structure forming and future skeleton of organization has a vital effects . the petrochemical industr...