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1Academic Journal
مصطلحات موضوعية: Biochemistry, Genetics, Molecular Biology, Ecology, Science Policy, Space Science, Environmental Sciences not elsewhere classified, Biological Sciences not elsewhere classified, cigarette packaging film, strong crystallization nature, pure ppr sample, prepared ppr sample, based waste plastics, based plastic waste, polypropylene random copolymer, cultivate rich β, crystallization promoter, ultrafine powders, typical single, successful application, resource crisis, representative example, outstanding combination, nonrenewable resources, new strategy, isotactic polypropylene, increasingly important, global concern, extended easily, environmental issue