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Graft copolymerization of vinyl monomers onto natural polymers is a fascinating field of research with unlimited potential application for industrial production of various materials. The natural polymers like gellan gum, dextran, chitosan, guar gum, carboxymethylated guar gum etc. occur abundantly in nature and very useful in pharmaceuticals, food industry, agriculture, cosmetic industry, cosmetics, plastic coating material etc. Though such natural polymers have got tremendous advantages, but it suffers from drawbacks like biodegradatibility, which limits its application. Hence grafting of...

Two cable connected satellites system rather than single one, have advantage of transporting personnel from one spaceship to the other of repairing when something goes wrong with it. Many scientists studied the different aspects of the problems of stability of satellite in low and high altitude orbit with different perturbing forces.Keeping in view, the practical utility of the problem discussed, main purpose in the present work has been the analysis of relative motion of the system.