Your Personal YouTube Digest - Apr 15, 2012 Latest subscription updates Find more channels to subscribe to nptelhrd Play all » Mod-02 Lec-09 Open Systems Apr 12, 2012 Mod-02 Lec-02 Need for Analysis Additional... Apr 12, 2012 Mod-02 Lec-03 Equations for a Closed system... Apr 12, 2012 Mod-01 Lec-01 Introduction and Review Apr 12, 2012 Biotechnology - Thermodynamics Apr 12, 2012 Follow YouTube: Find more channels to subscribe to Change Email Preferences © YouTube 2012