Sentences with phrase «sodium atoms at»

Not exact matches

A third laser shot a pulse of light at the atoms to provide a boost of energy that helped the atoms bond into a sodium cesium molecule, researchers report online April 12 in Science.

With an output of 50 watts — 1000 times more powerful than a typical handheld unit — the laser is tuned to sodium atoms» strong yellow emission at 589 nanometres.

To see dynamical tunneling in action, two teams — one based at the National Institute of Standards and Technology (NIST) in Gaithersburg, Maryland, the other at the University of Texas, Austin — first used a complicated series of laser beams and magnetic fields to cool atoms of cesium or sodium to a temperature of a few billionths of a degree above absolute zero.

A few years earlier, a team at MIT used gravitation and magnetic fields to slow down the atoms in a cloud of sodium gas.

Most other nutrients, on the other hand, are more actively transported - there are certain receptors lining those intestinal cells (cells called enterocytes, if anybody cares) that pull salts, sugars, amino acids, etc. through the intestinal lining into the cells in exchange for other compounds (e.g. they'll pull in a hydrogen ion at the same time as an amino acid, then exchange the new hydrogen atom for a sodium molecule later.)