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pro vyhledávání: '"Quan-Quan Han"'
Autor:
Quan-Quan Han, Ri-Liang Liu
Publikováno v:
Research Journal of Applied Sciences, Engineering and Technology. 6:3584-3587
The helical groove shape plays a key role in ensuring the adequate flute space of many screw components. In many situations, the helical groove is machined through profiled grooving cutter, which brings a huge cost. This study establishes the mathema
Autor:
Quan Quan Han, Ri Liang Liu
Publikováno v:
Advanced Materials Research. 569:410-414
With the increasingly wide use of screw components in industry, technologies for efficiently fabricating the complex helical surfaces on these components play an important role in modern metal-working. In this paper, the helical surface of a screw sh
Autor:
Philip Roth
El somni americà trontolla perillosament. Una novel·la que ens trasllada a les profunditats de la pirotècnia social nord-americana mitjançant l'escriptura veloç i magistral de Philip Roth. Som al 1998, l'any en què els Estats Units viuen immers