( th difs ), - (wednesday – saturday) february, being held at dhaka, bangladesh. event profile th dhaka international yarn & fabric show ( th difs ) is an international exhibition for the entire textile & clothing industry of bangladesh being organized by cems, dhaka. being the largest foreign exchange...
acid (stearic acid), ch (ch ) co h. synthetic surfactants have one very important advantage over soaps. because soaps form insoluble calcium and magnesium salts with the calcium and magnesium ions in hard water and in the clays which are present in dirt, much of the soap is wasted forming an insoluble...