Autoclaved Aerated Concrete (AAC). AAC is a lightweight cellular material which is formed by a chemical reaction between finely divided calcareous and siliceous materials.The calcareous component is usually lime and/or cement.utoclaved Aerated Concrete (AAC). AAC is a lightweight cellular material which is formed by a chemical reaction between finely divided calcareous and siliceous materials.
engineering science. Thesaurus. Definitions of engineering science. 1. n the discipline dealing with the art or science of applying scientific knowledge to practical problems. the branch of engineering science concerned with the design and construction of aircraft. application of biological principles to the study and design of engineering systems (especially electronic systems)
Engineering, in general, is the application of science and math to solve problems. Based on the definitions of a system and engineering, we can say that systems engineering is the application of science, math, and management knowledge to solve problems related to any system (however large or small).