- initial cross-section
- начальное сечение
English-russian dictionary of physics. 2013.
English-russian dictionary of physics. 2013.
R (cross section ratio) — R is the ratio of the hadronic cross section to the muon cross section in electron positron collisions::R = frac{sigma^{(0)}(e^+e^ ightarrow mathrm{hadrons})}{sigma^{(0)}(e^+e^ ightarrow mu^+mu^ )},where the superscript (0) indicates that the… … Wikipedia
Cross-country skiing at the FIS Nordic World Ski Championships 2007 — Cross country skiing was one of the three disciplines of the FIS Nordic World Ski Championships 2007, held between February 22 and March 4, 2007 in Sapporo, Japan. The distances and skiing styles were unchanged from Oberstdorf, and as in 2005,… … Wikipedia
Cross-in-square — Panagia Chalkeon, an 11th century cross in square church in Thessaloniki. View from the north east. The term cross in square (French, église à croix inscrite; German, Kreuzkuppelkirche) or crossed dome denotes the dominant architectural form of… … Wikipedia
Cross-country equestrianism — For information on other aspects of this discipline, see Eventing and Cross country obstacles. For the athletic competition, see cross country running. A cross country competitor Cross country equestrian jumping is an endurance test, and is one… … Wikipedia
Cross-linked polyethylene — PEX redirects here. For other uses, see Pex (disambiguation). Cross linked polyethylene, commonly abbreviated PEX or XLPE, is a form of polyethylene with cross links. It is formed into tubing, and is used predominantly in hydronic radiant heating … Wikipedia
Mount Soledad cross controversy — Coordinates: 32°50′23.27″N 117°14′40.73″W / 32.8397972°N 117.2446472°W / 32.8397972; 117.2446472 … Wikipedia
Archaeology of the Cross and Crucifix — Archæology of the Cross and Crucifix † Catholic Encyclopedia ► Archæology of the Cross and Crucifix I. PRIMITIVE CRUCIFORM SIGNS The sign of the cross, represented in its simplest form by a crossing of two lines at right angles,… … Catholic encyclopedia
King's Cross fire — The King s Cross fire was a fatal underground fire in London which broke out at approximately 19:30 on 18 November 1987, and which killed 31 people.It took place at King s Cross St. Pancras, a major interchange on the London Underground. The… … Wikipedia
Celtic cross — For the band, see Celtic Cross (band) … Wikipedia
Cyclo-cross — A cyclo cross racer carrying his bicycle up a steep slope. Cyclo cross (sometimes cyclocross, CX, CCX, cyclo X or cross ) is a form of bicycle racing. Races typically take place in the autumn and winter (the international or World Cup season is… … Wikipedia
The Cross and Crucifix in Liturgy — The Cross and Crucifix in Liturgy † Catholic Encyclopedia ► The Cross and Crucifix in Liturgy (1) Material Objects in Liturgical Use; (2) Liturgical Forms connected with Them; (3) Festivals Commemorative of the Holy Cross;… … Catholic encyclopedia