نتایج جستجو برای: mechano
تعداد نتایج: 1961 فیلتر نتایج به سال:
Journal:
:Proceedings of the National Academy of Sciences
2008
Journal:
:Papers in Meteorology and Geophysics
1957
Journal:
:Journal of Physics: Conference Series
2021
Journal:
:Quarterly of Applied Mathematics
2001
Journal:
:The FASEB Journal
2010
2007
Stefan Antonsson
Wood consists mainly of three types of polymers; cellulose, hemi cellulose and lignin. Lignin is formed in nature through enzymatic initiated oxidative coupling of three different kinds of phenyl propane units. These form by various carbon-carbon and carbon-oxygen bonds, an amorphous three-dimensional polymer. As chemical pulp is produced, lignin is degraded and dissolved into pulping liquors. ...
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