List of Articles Open Access Article Abstract Page Full-Text 1 - Preparation of Poly (Vinylpyrrolidone-Co-Allylamine Hydrochloride) Cohydrogel and Investigation of Adsorption of Nanonitrophenol Derivatives from Contaminated Water Afsaneh Mohammadpour Amir Sepehrian Azar Mohsen Fami Open Access Article Abstract Page Full-Text 2 - The effect of PBR on IZOD impact index and visual quality of HIPS product in Iran marketing فهیمه درخشانفر Open Access Article Abstract Page Full-Text 3 - Determining the characteristics and removing contaminants in the wastewater of serum manufacturing industries Ramin Abbasi Leila Amirkhani Open Access Article Abstract Page Full-Text 4 - The Effect of PBR on IZOD Impact Index And Visual Quality of HIPS Product in Iran Marketing ahmad asle hashemi Fatemeh Fatourchi Leila Nouri Open Access Article Abstract Page Full-Text 5 - Investigation of Production of Aluminum Polychloride Sulfate, its Application in Water Treatment and its Comparison with Other Coagulants Morteza Gholizadeh Open Access Article Abstract Page Full-Text 6 - Study of Challengesand Administrative of Regulations Barriers of Health, Safety And Environment in Oil and Gas Industry Sattar Mohammadi Zohreh Ghazi Tabatabaei