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2. Compressed air dryer - Wikipedia

   en.wikipedia.org/wiki/Compressed_air_dryer

   Refrigerated dryers employ two heat exchangers, one for air-to-air and one for air-to-refrigeration. However, there is also a single TRISAB heat exchanger that combines both functions. The compressors used in this type of dryer are usually of the hermetic type and the most common gas used is R-134a and R-410a for smaller air dryers up to 100 ...

3. Fluidized bed - Wikipedia

   en.wikipedia.org/wiki/Fluidized_bed

   The groups are defined by their locations on a diagram of solid-fluid density difference and particle size. Design methods for fluidised beds can be tailored based upon the particle's Geldart grouping: Group A For this group the particle size is between 20 and 100 μm, and the particle density is typically less than 1.4g/cm 3. Prior to the ...

4. Supercritical drying - Wikipedia

   en.wikipedia.org/wiki/Supercritical_drying

   Supercritical drying (red arrow) goes beyond the critical point of the working fluid in order to avoid the direct liquid–gas transition seen in ordinary drying (green arrow) or the two phase changes in freeze-drying (blue arrow). Supercritical drying, also known as critical point drying, is a process to remove liquid in a precise and ...

5. European Union energy label - Wikipedia

   en.wikipedia.org/wiki/European_Union_energy_label

   A new energy label, introduced in 2010, is based on the energy efficiency index (EEI), and has energy classes in the range A+++ to D. [11] The EEI is a measure of the annual electricity consumption, and includes energy consumed during power-off and standby modes, and the energy consumed in 220 washing cycles.

6. Asthma or COPD? How to Tell the Difference - WebMD

   www.webmd.com/lung/copd/asthma-vs-copd

   With asthma, the swelling is often triggered by something you’re allergic to, like pollen or mold, or by physical activity. COPD is the name given to a group of lung diseases that include ...

7. Psoriasis vs. Eczema: How to Tell the Difference - WebMD

   www.webmd.com/skin-problems-and-treatments/...

   It may be scaly, oozing, or crusty. You may see rough, leathery patches that are sometimes dark. It can also cause swelling. Psoriasis can also cause red patches. They may be silvery and scaly ...