primary-alternate test method

  • 1test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …

    Medical dictionary

  • 2Alternate character — This article is about the use of alternative characters in MUDs and MMORPGs. For the use of multiple characters in role playing games, see Troupe system. For the ALT key on computer keyboards, see Alt key. An alternate character, often referred… …

    Wikipedia

  • 3Primary election — For other uses, see Primary (disambiguation). Part of the Politics series Elections …

    Wikipedia

  • 4Commutation test (semiotics) — Semiotics General concepts Biosemiotics · Code Computational semiotics Connotation&# …

    Wikipedia

  • 5petroleum production — Introduction       recovery of crude oil and, often, associated natural gas from the Earth.        petroleum is a naturally occurring hydrocarbon material that is believed to have formed in deep sedimentary (sedimentary rock) beds from animal and …

    Universalium

  • 6Bible code — A Bible code (also Torah code) is the notion that there are information patterns encrypted or coded form in the text of the Bible, or, more specifically, in the Torah, the first five books of the Hebrew Bible. The existence of such codes has been …

    Wikipedia

  • 7Deep foundation — A deep foundation installation for a bridge in Napa, California, United States …

    Wikipedia

  • 8Reinforced concrete — is concrete in which reinforcement bars ( rebars ), reinforcement grids, plates or fibers have been incorporated to strengthen the concrete in tension. It was invented by French gardener Joseph Monier in 1849 and patented in 1867.[1] The term… …

    Wikipedia

  • 9George Washington: Farewell Address — ▪ Primary Source       Washington s Farewell Address was never delivered by him. It appeared first by his own arrangement in a newspaper at Philadelphia, then the seat of the national government. Designed in part to remove him from consideration… …

    Universalium

  • 10tunnels and underground excavations — ▪ engineering Introduction        Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …

    Universalium