the aim of this study was to investigate the relationship between job stress with personality characteristics and organizational commitment. this study is descriptive and correlational. the study population comprised all nurses in 13-aban hospital of ghods city. the sample group consisted of 120 nurses who were selected through convenience sampling. research instruments were hse job stress ques...

intangibility of knowledge and unclear relationship between inputs and outputs has caused difficulties in knowledge production control. in this paper we present a model to clarify the relationships between inputs and outputs in knowledge production and develop knowledge production functions. in order to accomplish this, we extract resources of knowledge production and product utility indices fr...

genetic diversity is necessary for breeding program and increasing genetic gain of selection in crop plants. with the onset of spring growth, spring cold stress is a problem for wheat crops at heading and also may be damaged some other parts of this plant. the aim of this study is the investigation of genetic diversity duo to artificial cold stress on the physiological traits, chlorophyll a, ch...

zinc is one of the elements necessary for growth and health in human. some evidences indicate that the zinc deficiency is one of real difficulties for the public health in developed and developing countries. since the pregnant women are more at risk by the zinc deficiency, and this can cause many problems, in this study we tried to find out the rate of zinc deficiency in pregnant women within t...

intra-specific variation in responses of diurnal and long-term photosynthesis, stomatal conductance, chlorophyll fluorescence, and respiration in spring wheat (triticum aestivum l.) to salinity was investigated using two tolerant cultivars (cr and kharchia-65) and a sensitive one (ghods). plants were grown in sand culture in controlled environment at selected levels of salinity (5 as control, 1...

today, there are many concepts such as a sense of place and attachment to place presented in architecture and urban literature in the field of environmental studies. meanwhile, relationship between the two is not much explained. this study defines the concept of sense of place and attachment to place and the factors influencing them followed by providing a four- dimensional model derived from s...