considering the challenges that modern organizations face, creating a happy organization in the number one strategic imperative and the only way to long-term success. we studied research literature and background in this article, then we identified ten factors of happiness at work. considering this factors, we design questionnaire in order to measure of happiness at work. validity of factors an...

evaluating and selecting alternatives investment projects needs considering all relevant and important aspects. in traditional methods, the focus is just on tangible monetary criteria. also in the traditional methods, either all the information’s about factors must be known precisely or sufficient objective data must be available for applying probability theory. in this paper, a combinative app...

application of nanotechnology in medicinal and biological fields has attracted a great interest in the recent yeras. in this paper the cell membrane leakage induced by iron nanoparticles (fe-np) against pc12 cell line which is known as a model of nervous system cell line was investigated by the lactate dehydrogenase (ldh) test. therefore, pc12 cells were incubated with different concentration o...

BACKGROUND Having decided on a drug class, an individual drug needs to be chosen. OBJECTIVE This article discusses the same four factors used in deciding the generic drug within a class as well as between different drug classes: efficacy, safety, suitability, and cost. DISCUSSION The example of hypertension will be used to illustrate the choice of individual drugs within beta blockers and c...