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  2. Ventilation/perfusion ratio - Wikipedia

    en.wikipedia.org/wiki/Ventilation/perfusion_ratio

    This matching may be assessed in the lung as a whole, or in individual or in sub-groups of gas-exchanging units in the lung. On the other side Ventilation-perfusion mismatch is the term used when the ventilation and the perfusion of a gas exchanging unit are not matched. The actual values in the lung vary depending on the position within the lung.

  3. Concentration (card game) - Wikipedia

    en.wikipedia.org/wiki/Concentration_(card_game)

    Matching cards are removed from the game when paired. Concentration is a round game in which all of the cards are laid face down on a surface and two cards are flipped face up over each turn. The object of the game is to turn over pairs of matching cards. Concentration can be played with any number of players or as a solitaire or patience game ...

  4. Category:Matching games - Wikipedia

    en.wikipedia.org/wiki/Category:Matching_games

    Matching games are card games in which players aim to play a card that matches the previous one or which fits into a layout based on a certain rule. Subcategories This category has the following 2 subcategories, out of 2 total.

  5. Games on AOL.com: Free online games, chat with others in real ...

    www.aol.com/games/play/masque-publishing/astral...

    Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time. ... Astral Gems Match.

  6. Matching game - Wikipedia

    en.wikipedia.org/wiki/Matching_game

    Matching games are games that require players to match similar elements. Participants need to find a match for a word, picture, tile or card. For example, students place 30 word cards; composed of 15 pairs, face down in random order. Each person turns over two cards at a time, with the goal of turning over a matching pair, by using their memory.

  7. Pairing strategy - Wikipedia

    en.wikipedia.org/wiki/Pairing_strategy

    In a positional game, a pairing strategy is a strategy that a player can use to guarantee victory, or at least force a draw. It is based on dividing the positions on the game-board into disjoint pairs. Whenever the opponent picks a position in a pair, the player picks the other position in the same pair.

  8. Vector quantization - Wikipedia

    en.wikipedia.org/wiki/Vector_quantization

    Vector quantization (VQ) is a classical quantization technique from signal processing that allows the modeling of probability density functions by the distribution of prototype vectors. Developed in the early 1980s by Robert M. Gray , it was originally used for data compression .

  9. Stable roommates problem - Wikipedia

    en.wikipedia.org/wiki/Stable_roommates_problem

    In mathematics, economics and computer science, particularly in the fields of combinatorics, game theory and algorithms, the stable-roommate problem (SRP) is the problem of finding a stable matching for an even-sized set. A matching is a separation of the set into disjoint pairs ("roommates