In this cycle, a circulating refrigerant such as Freon enters the compressor as a vapor. From point 1 to point 2, the vapor is compressed at constant entropy and exits the compressor as a vapor at a higher temperature, but still below the vapor pressure at that temperature.
Last Name Meanings and Origins. Uncover the meaning and origin of your last name, then learn how to create and preserve your own family history for generations to come. Nichols Last Name Meaning. 1. English and Dutch: patronymic from Nichol. 2. Jewish (American): Americanized form of any of various like-sounding Jewish names. From: The Oxford Names Companion, Oxford University Press.
Meaning of name Courtney. Etymology: From an aristocratic English surname which was derived either from the French place name Courtenay (originally a derivative of the personal name Curtenus, itself derived from Latin curtus short) or else from a Norman nickname meaning short nose.Saint :Origin: English. Rate this first name :tymology: From an aristocratic English surname which was derived either from the French place name Courtenay (originally a derivative of the personal name Curtenus, itself derived from Latin curtus short) or else from a Norman nickname meaning short nose. Saint : Origin: English. Rate this first name :