locant. (chemistry). The portion of a chemical name, usually a number or a letter, that designates the position of an atom or group of atoms in a formula unit. 1  Facebook. 2  Twitter.
A back-to-back cargo movement is generally understood as the transfer of loose goods from one truck to another---in its literal form, positioning two trucks with their backs to one another. Primitive variants involve labor-intensive handling and placement of cargo on the ground during the transfer.t is, however, the hallmark of cargo transfer at every crossing between Israel and the Palestinian areas as well as at a number of checkpoints inside the West Bank. Even the new border terminals under development by the Government of Israel envision variants of this type of back to back system.
Mass movements (also called mass-wasting) is the down-slope movement of Regolith (loose uncemented mixture of soil and rock particles that covers the Earth's surface) by the force of gravity without the aid of a transporting medium such as water, ice, or wind. Rock Slides and Debris Slides-Rock slides and debris slides result when rocks or debris slide down a pre-existing surface, such as a bedding plane or joint surface. 2  Piles of talus are common at the base of a rock slide or debris slide.