Muhammad Saqib Ali Concrete (Pavements / Roads) With Titanium Dioxide As A Photo-Catalyst For Removing Nox (Nitrogen Oxides) From The Ambient Environment Muhammad Saqib Ali - Islamabad IESE (SCEE) NUST 2016. - 54 p. HB. - MS Environmental Science . Thesis MS ES Subjects--Topical Terms: Environmental Science LC Class. No.: 363.7 ALI Dewey Class. No.: 363.7 ALI