Freeze-drying is preferred for sensitive samples because it combines low-temperature processing with gentle water removal.

As the heart of a refrigeration system, the compressor is a vapor pump that creates the system’s required pressure differences between the low and high sides of the system. In addition, it raises the ...

Good refrigeration practice dictates that the moisture level in a refrigeration system must be carefully controlled. Effective measures for moisture control using POE lubricants have been developed ...