Rubidium
121RbNO3 — Nitrate de rubidium Nitrate de rubidium Général No CAS …
122Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
123alcalin — alcalin, ine [ alkalɛ̃, in ] adj. • 1691; de alcali ♦ Qui appartient, a rapport aux alcalis, et par ext. Qui a les propriétés d une base (⇒ 1. basique). Solution alcaline, dont le pH est supérieur à 7. Pile alcaline, dont l électrolyte est… …
124Rb — symb. Chem. the element rubidium. * * * noun a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite • Syn: ↑rubidium, ↑atomic number 37 • Hypernyms …
125Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal …
126Spacecraft magnetometers — Magnetometers are one of the most widely used scientific instruments in exploratory and observation satellites. These instruments were instrumental in the discovery of the Van Allen radiation belts around Earth, discovered on the very first… …
127Alkalimetalle —     …
128Cesium — Eigenschaften …
