catalyst gas factor
121Solar energy — is the light and radiant heat from the Sun that powers Earth s climate and weather and sustains life. Since ancient times it has been harnessed for human use through a range of technologies. Solar radiation along with secondary solar resources… …
122Serendipity — is the effect by which one accidentally discovers something fortunate, especially while looking for something else entirely. The word has been voted as one of the ten English words that were hardest to translate in June 2004 by a British… …
123Martyrs' Day (Panama) — For other holidays with the same name, see Martyrs Day (disambiguation). Martyrs Day is a Panamanian holiday which commemorates the January 9, 1964 riots over sovereignty of the Panama Canal Zone. The riot started after a Panamanian flag was torn …
124advanced ceramics — ▪ ceramics Introduction substances and processes used in the development and manufacture of ceramic materials that exhibit special properties. As is pointed out in the article ceramic composition and properties, ceramics are… …
125ENGLAND — The British Isles were unknown to the Jews until a late date, and the settlement of the Jews in medieval England was among the latest in Europe. It is possible that a small nucleus was to be found there under the Romans and that in the Saxon… …
126Thorium — (pronEng|ˈθɔːriəm) is a chemical element with the symbol Th and atomic number 90. As a naturally occurring, slightly radioactive metal, it has been considered as an alternative nuclear fuel to uranium.CharacteristicsWhen pure, thorium is a… …
127Hydrogen cyanide — IUPAC name …
128BET theory — General = BET theory is a well known rule for the physical adsorption of gas molecules on a solid surface, that is basis for an important analysis technique for the measurement of the specific surface area of a material. In 1938, Stephen Brunauer …
