two-component concrete
71Seismic retrofit — Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes. Other retrofit techniques are applicable to areas subject to tropical cyclones,… …
72nuclear reactor — Physics. reactor (def. 4). Also called nuclear pile. [1940 45] * * * Device that can initiate and control a self sustaining series of nuclear fission reactions. Neutrons released in one fission reaction may strike other heavy nuclei, causing them …
73Chinese languages — or Sinitic languages Family of languages comprising one of the two branches of Sino Tibetan. They are spoken by about 95% of the inhabitants of China and by many communities of Chinese immigrants elsewhere. Linguists regard the major dialect… …
74Disney bomb — Disney Bomb …
75Apollo — This article is about the Greek and Roman god. For other uses, see Apollo (disambiguation) and Phoebus (disambiguation). Not to be confused with Phobos (mythology). Apollo …
76Abstraction (computer science) — In computer science, abstraction is the process by which data and programs are defined with a representation similar to its pictorial meaning as rooted in the more complex realm of human life and language with their higher need of summarization… …
77Corrosion — v · d · e Materials failure modes Buckling · …
78analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …
79human behaviour — Introduction the potential and expressed capacity for physical, mental, and social activity during the phases of human life. Human beings, like other animal species, have a typical life course that consists of successive phases of… …
80technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
