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  2. Zodiac Watches - Wikipedia

    en.wikipedia.org/wiki/Zodiac_Watches

    Zodiac Watches, or simply Zodiac, is an American [1] brand of Swiss-made watches founded in 1882 by Ariste Calame in Le Locle, Switzerland. The company mostly focuses on its dive watches through its Sea Wolf line, [ 2 ] one of the first modern dive watches, which debuted in 1953, before the Rolex Submariner and after Blancpain Fifty Fathoms. [ 3 ]

  3. Diaphragm (birth control) - Wikipedia

    en.wikipedia.org/wiki/Diaphragm_(birth_control)

    A diaphragm that is too large will place pressure on the urethra, preventing the bladder from emptying completely and increasing the risk of urinary tract infection. [11] A diaphragm that is too large may also cause a sore to develop on the vaginal wall. [37] Diaphragms should be re-fitted after a weight change of 4.5 kg (10 lb) or more. [12]

  4. Diaphragm valve - Wikipedia

    en.wikipedia.org/wiki/Diaphragm_valve

    Diaphragm valves (or membrane valves) consists of a valve body with two or more ports, a flexible diaphragm, and a "weir or saddle" or seat upon which the diaphragm closes the valve. The valve body may be constructed from plastic , metal or other materials depending on the intended use.

  5. Diaphragm pump - Wikipedia

    en.wikipedia.org/wiki/Diaphragm_pump

    The basic working principle of an air-operated double diaphragm pump. Cross-section sketch of diaphragm fuel pump Air-operated double diaphragm pump. A diaphragm pump (also known as a Membrane pump) is a positive displacement pump that uses a combination of the reciprocating action of a rubber, thermoplastic or teflon diaphragm and suitable valves on either side of the diaphragm (check valve ...

  6. Diaphragmatic excursion - Wikipedia

    en.wikipedia.org/wiki/Diaphragmatic_excursion

    Diaphragmatic excursion is the movement of the thoracic diaphragm during breathing. Normal diaphragmatic excursion should be 3–5 cm, but can be increased in well-conditioned persons to 7–8 cm. This measures the contraction of the diaphragm. It is performed by asking the patient to exhale and hold it.

  7. Diaphragm (mechanical device) - Wikipedia

    en.wikipedia.org/wiki/Diaphragm_(mechanical_device)

    In mechanics, a diaphragm is a sheet of a semi-flexible material anchored at its periphery and most often round in shape. It serves either as a barrier between two chambers, moving slightly up into one chamber or down into the other depending on differences in pressure , or as a device that vibrates when certain frequencies are applied to it.

  8. AMD Zodiac - Wikipedia

    en.wikipedia.org/wiki/AMD_Zodiac

    Zenith Aircraft Company still produces kits and quick-build kits for the Zodiac kit for the homebuilt-market. [6] The company also provides engine mounts and instructions for mounting the Stratus EA 81 engine in the CH 601 series. [7] Chevrolet Corvair engines have also been employed. [8] There are over 1000 Zodiac aircraft flying worldwide. [3]

  9. Diaphragm (optics) - Wikipedia

    en.wikipedia.org/wiki/Diaphragm_(optics)

    The centre of the diaphragm's aperture coincides with the optical axis of the lens system. Most modern cameras use a type of adjustable diaphragm known as an iris diaphragm, and often referred to simply as an iris. See the articles on aperture and f-number for the photographic effect and system of quantification of varying the opening in the ...