Electrum is a metal alloy mainly consisting of gold, silver and traces of some other metals. This naturally occurring alloy has a long history of being used for making coins, vessels and also for coatings. It was referred to as âgoldâ or âwhite goldâ by ancient Greeks.
In Interstitial defect, atom occupies the interstitial space of the lattice structure of solid crystal. In Substitutional defect, the foreign atom occupies only the lattice site of a crystalline solid. Interstitial defect may occur by the atoms of either same solid (called self-interstitial) or foreign material. Substitutional defect is always caused by foreign atoms.
Diffuse interstitial lung disease (ILD) is a group of diseases that affect the connective tissue that forms the support structure of the air sacs, or alveoli, of the lungs.During normal inhalation, the alveoli fill with air. Oxygen within the air passes through the walls of the alveoli into the blood stream.iffuse Interstitial Lung Disease. Diffuse interstitial lung disease refers to disease within both lungs that affects the interstitium or connective tissue that forms the support structure of the lungsâ air sacs or alveoli. When you inhale, the alveoli fill with air and pass oxygen to your blood stream.