in this study, urease production was investigated among thirteen strains of aspergillus niger seven strains isolated from soils of semnan province in iran and six strains obtained from persian type culture collection (ptcc). the enzyme production was screened in two submerged media quantitatively. the registered ptcc 5011 and the native s31 strains showed more urease production than the other e...

In this study, urease production was investigated among thirteen strains of Aspergillus niger seven strains isolated from soils of Semnan province in Iran and six strains obtained from Persian Type Culture Collection (PTCC). The enzyme production was screened in two submerged media quantitatively. The registered PTCC 5011 and the native S31 strains showed more urease production than the other e...

animation, in its shape and content, originates from imagination; its most important characteristic is the actualization or materialization of endless imaginations. the art of animation, when its variety of techniques and attractiveness is considered, is warmly accepted by a wide range of audiences across the globe. with the emergence of television and its serious need for this art, animations ...

To most companies pure Mass Customization is not applicable. On the other hand, to most companies some degree of Mass Customization will be highly valuable from various viewpoints including logistics, production, product development, and marketing. By letting customers try their hand at constructing, developing and building their own, individually customized products companies realize and test ...

We study competition between two multi-product firms with distinct production technologies in a market where customers have heterogeneous preferences on a single taste attribute. The mass customizer (MC) has a perfectly flexible production technology, thus can offer any variety within a product space, represented by Hotelling’s (1929) linear city. The mass producer (MP) has a more focused produ...