Abstract The entry of heavy metals due to industrial activities into the environment is one major problems in this century. Nickel and chromium(VI) are toxin elements that used various industries. In study, lignocellulose nanofiber was purchased from Nano-Novin Polymer Company (Gorgan, Iran) as an adsorbent for removal nickel ions aqueous solutions a batch system. effects pH, initial concentrat...

iranian historical houses constitute a significant part of the architectural heritage of the country both qualitatively and quantitatively though due research is not conducted on them. this study investigates t0he physical evolution of qajar house of baqeri in gorganand attempts to monitor life stream over its lifespan. the study also investigates the effect of external transformations on archi...

objective: one of the most important goals of marriage is the will to attain marital satisfaction. marital ‎satisfaction is of prime importance and has the highest effect on the stability and failure of the ‎marriage. this study aimed to investigate marital satisfaction in the women who referred to ‎gorgan health centers.‎ method: this was a descriptive-analytical study conducted in gorgan. two...