single bond химические свойства, назначение, производство
Определение
A covalent bond between
two elements that involves one pair of electrons
only. It is represented by a single line,
for example H–Br, and is usually a sigma
bond, although it can be a pi bond. Compare
multiple bond. See also orbital.
single bond препаратная продукция и сырье
сырьё
препарат