Because solid food takes more time to digest and to break down the protein and send it to the muscles, it can be best to take a protein shake immediately following a workout, since protein shakes only take about 30 minutes to reach the muscle after ingestion.
selectivity. (analytical chemistry). The ability of a type of method or instrumentation to respond to a specified substance or constituent and not to others. (electronics). The ability of a radio receiver to separate a desired signal frequency from other signal frequencies, some of which may differ only slightly from the desired value.
1 Rubidium is a soft, silvery-white metallic element of the alkali metal group. 2  Its atomic mass is 85.4678. 3  Elemental rubidium is highly reactive, with properties similar to those of other elements in group 1 in the periodic table, such as very rapid oxidation in air.4  Rubidium has only one stable isotope, Rb-85.ubidium is a metallic element sited in the alkaline group on the periodic table of elements. It is used in a variety of industries, and it is also utilized in laboratories for a range of experiments. The element also has a number of radioactive isotopes which are used in research and dating of ancient fossils.