strength-weight criterion
21Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… …
22Ceramic matrix composite — Fracture surface of a fiber reinforced ceramic composed of SiC fibers and SiC matrix. The fiber pull out mechanism shown is the key to CMC properties …
23Mill, John Stuart: Ethics and politics — J.S.Mill Ethics and politics R.F.Khan ON LIBERTY John Stuart Mill’s mature views on ethics and politics are to be found in On Liberty (published in 1859), Utilitarianism (1861), Considerations on Representative Government (1861) and The… …
24HISTORICAL SURVEY: THE STATE AND ITS ANTECEDENTS (1880–2006) — Introduction It took the new Jewish nation about 70 years to emerge as the State of Israel. The immediate stimulus that initiated the modern return to Zion was the disappointment, in the last quarter of the 19th century, of the expectation that… …
25Rowing (sport) — All eight types of racing boats, six of which are part of the Olympic Games Rowing is a sport in which athletes race against each other on rivers, on lakes or on the ocean, depending upon the type of race and the discipline. The boats are… …
26List of Emily Dickinson poems — This is a list of Emily Dickinson poems. There are 1,775 known poems that have been written by Dickinson. The poems are alphabetized by their first line. Punctuation, capitalization and even in some cases wording of the first lines may vary… …
27Metalloid —   13 14 15 16 17   2  B Boron …
28ancient Greek civilization — ▪ historical region, Eurasia Introduction the period following Mycenaean civilization, which ended in about 1200 BC, to the death of Alexander the Great, in 323 BC. It was a period of political, philosophical, artistic, and scientific… …
29Types of concrete — There are many types of concrete, variations of installation, composition, finish and performance characteristics. A highway paved with concrete …
30France — /frans, frahns/; Fr. /frddahonns/, n. 1. Anatole /ann nann tawl /, (Jacques Anatole Thibault), 1844 1924, French novelist and essayist: Nobel prize 1921. 2. a republic in W Europe. 58,470,421; 212,736 sq. mi. (550,985 sq. km). Cap.: Paris. 3.… …
