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An antifreeze mixture is used to achieve freezing-point depression for cold environments. Common antifreezes also increase the boiling point of the liquid, allowing higher coolant temperature. [1] However, all common antifreeze additives also have lower heat capacities than water, and do reduce water's ability to act as a coolant when added to ...
A winter storm emerging from the Rockies is forecast to bring rain, snow and ice to a large part of the U.S., the National Weather Service said Friday, bringing below freezing temperatures with it ...
The best way to deal with frozen pipes in the winter is to prevent your pipes from freezing at all. So, take the proper precautions to ensure you don't end up in that situation. Drain all water ...
An Aeroflot Airbus A330 being de-iced at Sheremetyevo International Airport Econ Salt Spreader. De-icing is the process of removing snow, ice or frost from a surface. Anti-icing is the application of chemicals that not only de-ice but also remain on a surface and continue to delay the reformation of ice for a certain period of time, or prevent adhesion of ice to make mechanical removal easier.
In most common greases, the thickener is a light or alkali metal soap, forming a sponge-like structure that encapsulates the oil droplets. Beyond lubrication, greases are generally expected to provide corrosion protection, typically achieved through additives. To prevent drying out at higher temperatures, dry lubricants are also added.
In geothermal heating/cooling systems, ethylene glycol is the fluid that transports heat through the use of a geothermal heat pump. The ethylene glycol either gains energy from the source (lake, ocean, water well ) or dissipates heat to the sink, depending on whether the system is being used for heating or cooling.
Metal particles released by wear are unintentional and undesirable oil additives. Most large metal particles and impurities are removed in situ using either magnets or oil filters. Dispersants keep contaminants (e.g. soot) suspended in the oil to prevent them from coagulating.
In laboratories, a slurry of dry ice in an organic solvent is a useful freezing mixture for cold chemical reactions and for condensing solvents in rotary evaporators. [38] Dry ice and acetone forms a cold bath of −78 °C (−108 °F; 195 K), which can be used for instance to prevent thermal runaway in a Swern oxidation.