Understanding the mechanism of progressive debonding bolts is great significance for underground safety. In this paper, both laboratory experiment and numerical simulation pull-out tests were performed. The experimental test specimens prepared using cement mortar material, a relationship between strength bolt uniaxial compressive (UCS) material specimen was established. locations crack develope...

background: previous studies indicate a high incidence of digestive cancers along southern parts of caspian sea including ma­zandaran province. the present study was conducted to further investigate time to occurrence, age distribution and pos­sible risks associated with the incidence time of digestive cancers in the above regions. methods: for this purpose the data of digestive cancer incidenc...

The main objective of this study is to analyze spillover fluctuations between inflation fluctuation and (un)employment fluctuation in relation to agriculture, industry and services sectors of Iran. In line with this, PANEL in Mean-MGARCH model has been used concerning Iran’s agriculture, industry and services sectors over the period of time from spring 2002 to winter 2016. The results show that...