abstract the purpose of this study is to examine the economic impacts of developing and introducing almond late flowering cultivars during 1968 to 2019 years in iran, which developed in sahand horticultural research station using the economic surplus model and field and time series data. the estimation of shift parameter identifies that almond late flowering cultivars make almond supply curve m...

BACKGROUND Previous studies strongly support an association between unemployment and an increased risk of morbidity and mortality. AIMS To assess the impact of company closure on the mortality of redundant employees. METHODS The mortality of a cohort of male ex-employees of the Athens Bus Transportation Company Epixirisi Astikon Siginonion (EAS) was followed from September 1992 to October 1...

Nowadays, analyzing human facial image has gained an ever-increasing importance due to its various applications. Image segmentation is required as a very important and fundamental operation for significant analysis and interpretation of images. Among the segmentation methods, image thresholding technique is one of the most well-known methods due to its simplicity, robustness, and high precision...

purpose of this paper is development for pattern of a measuring and analysing of innovation in research institutes in vehicle industry. this scale include 3 area: individual innovation, organizational innovation & nature and strength of innovation in current situation. samples selected in 2 research institute npd & ipco in iran khodro, by accident. according to factor loading, identified latent...

Group VII atom containing polymers such as chlorine rubber, and fluorine rubber tend to show a high degree polarity due to their high molar attraction constants [1]. Their practical applications include molded parts, cable, hose, o-rings, etc., which require chemical resistance. In molding the final products, there are several problems such as shrinkage, porosity, blisters, poor knitting, backr...

What is it famous for? It's not, really — but one of the journals it publishes, Development, is, if only for being one of the few high-profile journals that almost nobody complains about. How did it start? It was founded in 1925 by George Bidder, a sponge specialist who was also a shrewd businessman with leanings towards philanthropy. His wish to benefit mankind took him into some unusual enter...

Introduction: Arsenic contamination of  surface and groundwater has been categorizd among high profile  environmental  problems around the world. The matter is of most concern where unsafe water is used for drinking. Sahand region reservoir in northwest of Iran supplies water for drinking, industrial and agricultural purposes throught  irrigation  of 11000 hectares of l...