(materials). A solvent in whose molecules there is either a permanent separation of positive and negative charges, or the centers of positive and negative charges do not coincide; these solvents have high dielectric constants, are chemically active, and form coordinate covalent bonds; examples are alcohols and ketones.1  Facebook.materials). A solvent in whose molecules there is either a permanent separation of positive and negative charges, or the centers of positive and negative charges do not coincide; these solvents have high dielectric constants, are chemically active, and form coordinate covalent bonds; examples are alcohols and ketones.
The bottleneck effect. The bottleneck effect is an extreme example of genetic drift that happens when the size of a population is severely reduced. Events like natural disasters (earthquakes, floods, fires) can decimate a population, killing most indviduals and leaving behind a small, random assortment of survivors.
If you can identify the bottlenecks that are slowing down your production line, you can speed up manufacturing and increase productivity. In manufacturing, there is always one part of the process that is the slowest, and it may change as the production line adapts.The bottlenecks you're looking for are more serious.f you can identify the bottlenecks that are slowing down your production line, you can speed up manufacturing and increase productivity. In manufacturing, there is always one part of the process that is the slowest, and it may change as the production line adapts. The bottlenecks you're looking for are more serious.