نتایج جستجو برای: leather properties

تعداد نتایج: 871321  

Journal: :Scientific American 1877

Journal: :E3S web of conferences 2021

Investigations, which are related to plasma efficiency on the treated leather surface, significant in development of ecologically and economically friendly processes obtaining material desired functional properties. Through pretreatments using different chemical-physical reactions surface layer occurred resulting improved reactivity. In this paper, modification functionalization bovine 1,2,3,4-...

Journal: :The Library 1901

Global markets have opened their gates to the free flow of products, services, investments and other economic activities and the amount of impediments on the way of trade in global level have become less moreover, the improvement of communication media have downsized the effect of time and space in commercial transactions. Vast changes in various fields have markedly transformed the nature of e...

Journal: :Coatings 2023

Currently, the methods to identify leather materials have limitations, and identifying natural types is also relatively complex. In this research, microstructures of four mammalian leathers (cattle leather, pig sheep deer leather), three kinds reptilian (crocodile lizard snake leather) regenerated were characterized by scanning electron microscopy. The spectral curves (from 900 1700 nm) these s...

Journal: :Estudios: filosofía, historia, letras 2010

Journal: :Sen'i Gakkaishi 1984

Journal: :Scientific American 1880

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