Volume 37 (2018)
Volume 36 (2017)
Volume 35 (2016)
Volume 33 (2014)
Volume 32 (2013)
Volume 31 (2012)
Volume 30 (2011)
Volume 29 (2010)
Volume 28 (2009)
Volume 27 (2008)
Volume 26 (2007)
Volume 25 (2006)
Volume 24 (2005)
Volume 23 (2004)
Volume 22 (2003)
Volume 21 (2002)
Volume 20 (2001)
Volume 19 (2000)
Volume 18 (1999)
Volume 17 (1998)
Volume 16 (1997)
Volume 15 (1996)
Volume 14 (1995)
Volume 13 (1994)
Volume 12 (1993)
Volume 11 (1992)
Volume 10 (1991)
Volume 9 (1990)
Volume 8 (1989)
Volume 7 (1988)
Volume 6 (1987)
Chemistry
3-Nitro, 1-Amino Guanidine and 5-Hydrazino-1H-Tetrazole Derivatives as New Energetic Materials

Javad Aboudi; Yadollah Bayat,; Yaghub Abedi; Mehdi Nabati; Mehrdad Mahkam

Volume 34, Issue 2 , May and June 2015, Page 1-16

Abstract
  The synthesis of 3-amino-1-nitroguanidine (3-ANQ) and 5-hydrazino tetrazole (5-HT) derivatives as new energetic materials are described. Reaction of 3-ANQ with triethyl orthoformate leads to the formation of 3-nitramino triazole while no reaction was observed whit 5-HT. Addition of NaN3 to a mixture ...  Read More

Chemical Engineering
Grafting Copolymerization of Cationic Vinyl Monomer with Quaternary Ammonium Groups onto Polypropylene

Guangtian Liu

Volume 34, Issue 2 , May and June 2015, Page 17-23

Abstract
  Grafting polymerization was a valuable method for the modification of the chemical and physical properties of polymer surfaces. In this paper, the grafting of cationic vinyl monomer with quaternary ammonium groups, methacryloxyethyltrimethyl ammonium chloride (DMC), onto the isotactic polypropylene (iPP) ...  Read More

Sodium Alginate/Starch Blends Loaded with Ciprofloxacin Hydrochloride as a Floating Drug Delivery System - In Vitro Evaluation

M. Christe Sonia Mary; S. Sasikumar

Volume 34, Issue 2 , May and June 2015, Page 25-31

Abstract
  In the present study, Floating Drug Delivery Beads (FDDS) were prepared with sodium alginate/ starch blend as a matrix, sodium hydrogen carbonate as a pore forming agent, methyl cellulose as a binder and barium chloride solution as a hardening agent. In order to prepare the beads with different porosity ...  Read More

Chemistry
Solvent Effect on Stability and Thermodynamic Behavior of Complex of 18-Crown-6 with Hydroxyl Ammonium Cation

Maryam Davardoost Manesh; Khalilollah Taheri

Volume 34, Issue 2 , May and June 2015, Page 33-39

Abstract
  The complexation reaction between hydroxyl ammonium (HONH3+ ) cation with 18-crown-6 (18C6) ligand was studied in dimethylsulfoxide – water (DMSO-H2O), methanol – water (MeOH-H2O) and dimethylformamid – methanol (DMF-MeOH), binary solutions at different temperatures using conductometric ...  Read More

Chemistry
Application of Rh(III)-Metalloporphyrin Grafted Fe3O4 Nanoparticles for the Extraction of Thiocyanate Ions from Aqueous Solutions

Tahereh Poursaberi; Vahide Akbar; Seyed Mohammad Reza Shoja

Volume 34, Issue 2 , May and June 2015, Page 41-49

Abstract
  A new sorbent composed of 3-aminopropyltriethoxy-silane-coated magnetic nanoparticles, functionalized with rhodium(III) porphyrin complex was synthesized and characterized by elemental analysis, X-Ray Diffraction (XRD), Transmission Electron Microscopy (TEM), Fourier Transform Infrared Spectroscopy (FT-IR) ...  Read More

Chemistry
Studies on Adsorption of Some Organic Dyes from Aqueous Solution onto Graphene Nanosheets

Abdolhossein Naseri; Roghayyeh Barati; Farzaneh Rasoulzadeh; Morteza Bahram

Volume 34, Issue 2 , May and June 2015, Page 51-60

Abstract
  Graphene, a new member of the carbon family, was used as an adsorbent due to its exceptional capability to remove Rhodamine B (RB) and Malachite Green (MG), two organic dyes, from aqueous solutions. Adsorption kinetics of RB and MG onto graphene and adsorption capacity of the adsorbent were studied. ...  Read More

Chemistry
A New Method to Calculate the Absolute Amount of High-Pressure Adsorption of Supercritical Fluid

Luo Zuo

Volume 34, Issue 2 , May and June 2015, Page 61-71

Abstract
  In the paper we developed a new method to determine the absolute amount of adsorption. This method relies on the excess adsorption isotherm and the density profile in the pore of one material. To compute the density profile and decrease complex calculation of obtaining the absolute amount of adsorption ...  Read More

Chemistry
Adsorption of Copper(II) from an Wastewater Effluent of Electroplating Industry by Poly(ethyleneimine)-Functionalized Silica

Hongbo Xu; Dan-dan Liu; Lu He; Na Liu; Guiling Ning

Volume 34, Issue 2 , May and June 2015, Page 73-81

Abstract
  The poly(ethyleneimine)-functionalized silica has been developed successfully as an effective adsorbent for the adsorption removal of Cu(II) ions from electroplating wastewater. The influences of pH, contact time and initial concentration of Cu(II) ions on the adsorption capacity and the effect of adsorbent ...  Read More

Chemistry
An Electrochemical Measurement for Evaluating the Cathodic Disbondment of Buried Pipeline Coatings under Cathodic Protection

Farzaneh Akvan; Jaber Neshati; Jamshid Mofidi

Volume 34, Issue 2 , May and June 2015, Page 83-91

Abstract
  Steel pipelines are susceptible to corrosion by the action of corrosive substance in the environment and one of the most common failure modes in buried pipeline coatingis cathodic disbondment. Consequently, Electrochemical Impedance Spectroscopy (EIS) was used to assess the effect of three important ...  Read More

Other Related Fields
Study of the Luffa Cylindrica, Part II: Pulp Elaboration and Paper Characterization

Ykhlef Laidani; Salah Hanini; Ghania Henini; Gerard Mortha

Volume 34, Issue 2 , May and June 2015, Page 93-101

Abstract
  This study was devoted to the development of pulp Luffa Cclindrica and its characterization paper (annual plant fiber of the family Cucurbitaceae). Baking at soda helps to achieve a high level of delignification (Kappa ≤ 10) and high yield (≈ 67%).The beatability stack Valley is comparable to ...  Read More

Chemical Engineering
Modification and Application of a Plant Gum as Eco-Friendly Drilling Fluid Additive

Jie Zhange; Yunyue Zhang; Longgang Hu; Jiangjia Zhang; Gang Chen

Volume 34, Issue 2 , May and June 2015, Page 103-108

Abstract
  To enhance solubility and the performance of a plant gum (from south peach tree of China, SP gum) as a drilling fluid additive, we explored the potential of Modified SP (MSP) gum by modifying it with epichlorohydrin. The modification conditions, such as the mass ratio of  the crosslinking agent, ...  Read More

Chemical Engineering
Well Placement Optimization Using Differential Evolution Algorithm

Saied Afshari; Babak Aminshahidy; Mahmoud Reza Pishvaie

Volume 34, Issue 2 , May and June 2015, Page 109-116

Abstract
  Determining the optimal location of wells with the aid of an automated search algorithm is a significant and difficult step in the reservoir development process. It is a computationally intensive task due to the large number of simulation runs required. Therefore,the key issue to such automatic optimization ...  Read More