world population aging is a phenomenon we are confronting with, more than past. this fact has different implications for today’s societies. one of these aspects is workforce (1). some factors have resulted in more tendencies of workers to remain in their works including: economic, societal, cultural factors, and social trends and laws such as increasing age of retirement in the middle twentieth...

obviously, each emerging scientific field is confronted with the challenge of distinctive explanation in terms of theoretical-conceptual framework. entrepreneurship, which is not an exception to this rule, is also to go through this challenge to prove its scientific distinction as an essential requirement. the definition of entrepreneurship will help to provide a basis for conduct of entreprene...

the testing equipment and the methods of field tests used for calculating the modulus of deformation and elasticity of the shah _ abass dam foundation rock are described here. the communication includes conclusions of which a sharp difference between the quality of the roc kin the right and in the left bank is the most important.

objectives: this study focuses on the hematological parameters change and age in radiation field workers. the study aimed to identify the effect of radiation on hematological parameters and their relation to age and duration of the experience in radiation field workers. material and methods: this study was conducted in the physiology research center in collaboration with thalassemia and hemogl...

‎we obtain the porc formulae for the number of non-associative algebras‎ ‎of dimension 2‎, ‎3 and 4 over the finite field gf$(q)$‎. ‎we also give some‎ ‎asymptotic bounds for the number of algebras of dimension $n$ over gf$(q)$‎.

0

introduction: the different factors that affect the camera uniformity of single photon emission computed tomography (spect) technique have been analyzed including peak shift (%) and window width of energy. the effect of peak shift and window width on spect image uniformity has been investigated using a point source to perform intrinsic flood images. methods:the relation between calculated integ...

a study was carried out to map dispersal of trichogramma brassicae bezd. on tomato in a 0.5 ha field. first, 1, 5, 10, 15, 20 and 25 meter distances from the central point of the field were marked in form of squares. on each square, 8 points were selected and a wooden stake of 1.5 m length was vertically secured into the soil at each point equal to plant height and bearing a yellow sticky trap ...

syntax principles in arabic are the main base of this language ,yet they have always been accompanied with complexity specially in the field of education. no doubt that different factors create this situation. some of these factors are vapidity of principles ,traditional methodology , fruitless efforts and aimless education. furthermore ,naturally , syntax consists of philosophical analysis and...