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Comparison of Efficacies of Sofosbuvir/Daclatasvir with Sofosbuvir/Ribavirin for Hepatitis C Virus Genotype 3 Treatment in a Tertiary Care Center in Karachi
Volume -10 | Issue -2
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BIOCHEMICAL PROFILING AND MOLECULAR CHARACTERIZATION OF BETA GLOBIN GENE OF BETA THALASSEMIA MAJOR PATIENTS IN PUNJAB, PAKISTAN
Volume -10 | Issue -2
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Fear of Negative Evaluation and Procrastination: Exploring the Mediating Role of Self-Efficacy and Self-Esteem in University Students
Volume -10 | Issue -2
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BIOCHEMICAL PROFILING AND MOLECULAR CHARACTERIZATION OF BETA GLOBIN GENE OF BETA THALASSEMIA MAJOR PATIENTS IN PUNJAB, PAKISTAN
Volume -10 | Issue -2
-
Fear of Negative Evaluation and Procrastination: Exploring the Mediating Role of Self-Efficacy and Self-Esteem in University Students
Volume -10 | Issue -2
Preparation And Characterization of Alkyd Resin Polymer of Vegetable Oil Under the Influence of a Catalyst and A Kinetic Study of Its Polymerization
Main Article Content
Abstract
The study included the preparation of a polymer (alkyd resin) in two steps: the first is the preparation of monochlorides from the reaction of glycerine with castor oil in the presence of catalysts (Pb2O3, LiOH) and at a temperature (150 ˚C). A catalyst (CaCO3) and a range of temperatures (210, 200, 190, 180, 170) ˚C. The polymer was studied and identified by: infrared spectroscopy (FTIR) and proton nuclear magnetic resonance (1HNMR), and adhesiveness test. The molecular weight of the polymer was calculated by means of gel permeation chromatography (GPC) and calculated by means of viscometric viscosity through the graph of the polymer .
