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A process for the catalyzed industrial production of ammonia from N2 and H2 at high temperature and pressure.

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Crystal Lattice

A pattern of arrangement of particles in a crystal.

Amorphous Solid

A noncrystalline solid with no well-defined ordered structure.

How to make crystal glass

From history we know that the idea of creating crystal belongs to the British: they were the first to add lead oxides to the charge material, and as a result got glass with unusual “voice”, transparency and sparkling faces. Classical crystal contains 24% of lead oxide, but there are products with a higher content of up to 30%.

Electronic Transition

The transfer of an electron from one energy level to another.

Electron Affinity

The amount of energy absorbed in the process in which an electron is added to a neutral isolated gaseous atom to form a gaseous ion with a 1- charge, has a negative value if energy is released.

Geiger counter

A gas filled tube which discharges electriaclly when ionizing radiation passes through it.

Deuterium

An isotope of hydrogen whose atoms are twice as massive as ordinary hydrogen,deuterion atoms contain both a proton and a neutron in the nucleus.

Octahedral

A term used to describe molecules and polyatomic ions that have one atom in the center and six atoms at the corners of a octahedron.

Electrical Conductivity

Ability to conduct electricity.

Diamonds Are Forever

Diamonds are still a girl's best friend, right? We love the shiny gems. They are the most popular rocks sold today. But what exactly are they, anyway? Where do they come from? What else are they used for?