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2. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   Appliances that provide a continual supply of hot water are called water heaters, hot water heaters, hot water tanks, boilers, heat exchangers, geysers (Southern Africa and the Arab world), or calorifiers. These names depend on region, and whether they heat potable or non-potable water, are in domestic or industrial use, and their energy source.

3. Tips for troubleshooting water heater issues - AOL

   www.aol.com/finance/tips-troubleshooting-water...

   Learn how to quickly troubleshoot your water heater. For premium support please call: 800-290-4726 more ways to reach us

4. Proline - Wikipedia

   en.wikipedia.org/wiki/Proline

   Furthermore, proline is rarely found in α and β structures as it would reduce the stability of such structures, because its side chain α-nitrogen can only form one nitrogen bond. Additionally, proline is the only amino acid that does not form a red-purple colour when developed by spraying with ninhydrin for uses in chromatography. Proline ...

5. Chloroform - Wikipedia

   en.wikipedia.org/wiki/Chloroform

   Chloroform, [10] or trichloromethane (often abbreviated as TCM), is an organochloride with the formula C H Cl 3 and a common solvent.It is a volatile, colorless, sweet-smelling, dense liquid produced on a large scale as a precursor to refrigerants and PTFE. [11]

6. Xenon - Wikipedia

   en.wikipedia.org/wiki/Xenon

   It can dissolve hydrocarbons, biological molecules, and even water. [54] Under the same conditions, the density of solid xenon, 3.640 g/cm 3 , is greater than the average density of granite , 2.75 g/cm 3 . [ 53 ]

7. Protein folding - Wikipedia

   en.wikipedia.org/wiki/Protein_folding

   The folding of the transition state is shown to be rate-determining, and even though it exists in a higher energy state than the native fold, it greatly resembles the native structure. Within the transition state, there exists a nucleus around which the protein is able to fold, formed by a process referred to as "nucleation condensation" where ...