â¢ 8:41 am â United Airlines Flight 93, a Boeing 757 with 44 people aboard, takes off from Newark International Airport en route to San Francisco. It had been scheduled to depart at 8:00 am, around the time of the other hijacked flights.
The name Nieves is of Spanish origin. The meaning of Nieves is snows. Nieves is generally used as a girl's name. It consists of 6 letters and 2 syllables and is pronounced Nie-ves.
Molecular sieves are used for drying gases and liquids and for separating molecules on the basis of their sizes and shapes. When two molecules are equally small and can enter the pores, separation is based on the polarity (charge separation) of the molecule, the more polar molecule being preferentially adsorbed.