Sulfonamides What are Sulfonamides. Sulfonamides are a group of man-made (synthetic) medicines that contain the sulfonamide chemical group. They are also called sulfa drugs (sometimes spelled as sulpha drugs or sulphonamides). Sulfanilamide was the first sulfonamide developed in 1906, although it was not used as an antimicrobial until the late 1930s.
Steam rising from the Nesjavellir Geothermal Power Station in Iceland. Geothermal energy (from the Greek roots geo, meaning earth, and thermos, meaning heat) is energy made by heat inside the Earth's crust. It's clean and sustainable.Although the Sun does heat the surface of the Earth, heat from inside the Earth is not caused by the Sun.team rising from the Nesjavellir Geothermal Power Station in Iceland. Geothermal energy (from the Greek roots geo, meaning earth, and thermos, meaning heat) is energy made by heat inside the Earth's crust. It's clean and sustainable.
Geothermal energy can be found in the form of volcanoes, hot springs and geysers. Geothermal energy has three main uses: Heating, Electricity generation and Geothermal heat pumps. Geothermal energy is used since ancient times in form of hot water.Geothermal energy exploit uses three basic types of geothermal power plants: Dry steam, Flash steam and Binary power plant.eothermal energy is also widely used in the state of Nevada. Geothermal energy got its name from Greek words: geo (earth) and therme (heat), and therefore geothermal energy is in fact Earth's heat.. Geothermal energy has minimum negative environmental impact.