elapsed time - the time that elapses while some event is occurring. 1  period, period of time, time period - an amount of time; a time period of 30 years; hastened the period of time of his recovery; Picasso's blue period. one-way light time, OWLT - the elapsed time it takes for light (or radio signals) to travel between the Earth and a celestial object.
In cases of allied or coalition (multinational) operations in tandem with USAF or Joint air and space operations, the AOC is called a Combined Air and Space Operations Center (CAOC).
Polypropylene carbonate (PPC), a copolymer of carbon dioxide and propylene oxide, is a thermoplastic material.Catalysts like zinc glutarate are used in polymerization.olypropylene carbonate is soluble in polar solvents like lower ketones, ethyl acetate, dichloromethane and chlorinated hydrocarbons and insoluble in solvents like alcohols, water, and aliphatic hydrocarbons.