chemisorption of gaseous nitrogen on iron catalysts.    From Wordnet, Princeton University. 

Do you think a covalent bond occurs between the two (i. e chemisorption)? or it is physiorption?.    From Wordnik.com.  [Yahoo! Answers: Latest Questions] Reference

The PICO-TRAP System combines the principles of chemisorption and physisorption to achieve higher levels of process gas purity than by conventional purification technologies, according to the company.    From Wordnik.com.  [Fabtech - News] Reference

The subject of his thesis was the thermogravimetric study of active sites in the process of low-temperature oxidation of char, where he demonstrated that oxygen chemisorption on carbon is strongly temperature and pressure-dependent.    From Wordnik.com.  [The Earth Times Online Newspaper] Reference