Polycarbonate Diols (PCD) are used for a wide range of polyurethane-based coating formulations, providing an extreme durability and a high performance to the final polymer. ok
In mathematics, a reciprocity law is a generalization of the law of quadratic reciprocity. There are several different ways to express reciprocity laws.
Reciprocity/logrolling is an important element of the congressional committee system. It is defined as providing votes for a current bill with the expectation of votes on their favored bills in the future.