by admin | Jun 5, 2015 | sem1
Electromagnetic spectrum The electromagnetic spectrum is the range of all possible frequencies of electromagnetic radiation.The “electromagnetic spectrum” of an object has a different meaning, and is instead the characteristic distribution of...
by admin | Jun 5, 2015 | sem1
Laser Ablation Laser ablation is the process of removing material from a solid (or occasionally liquid) surface by irradiating it with a laser beam. At low laser flux, the material is heated by the absorbed laser energy and evaporates or sublimates. At high laser...
by admin | Jun 5, 2015 | sem3
Control of particulate and gaseous emission Some of the effective methods to Control Air Pollution are as follows: (a) Source Correction Methods (b) Pollution Control equipment (c) Diffusion of pollutant in air (d) Vegetation (e) Zoning. (a) Source Correction Methods:...
by admin | Jun 5, 2015 | sem3
Water treatment processes Clean, safe water is vital for every day life. Water is essential for health, hygiene and the productivity of our community. The water treatment process may vary slightly at different locations, depending on the technology of the plant and...
by admin | Jun 5, 2015 | sem3
Water quality parameters Base Flow vs. Storm Flow Data is reported as being in a storm flow condition when a judgment is made by the data gatherer that the volume of water in the stream has significantly increased beyond a base flow condition, usually because of...
by admin | Jun 5, 2015 | sem3
ozone chemistry Standard State: gas Boling temperature: -111.9 °C Melting temperature: -195.5 °C Specific Gravity: 2.144 Formula: O3 Colour: Pale Blue Occurs: naturally in troposphere Formed: From nitrogen oxides and organic oxides emitted as a product of combustion...