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  2. Univisium - Wikipedia

    en.wikipedia.org/wiki/Univisium

    Many trailers of upcoming films from 20th Century Studios that are shot in the 2.39:1 aspect ratio are cropped to this format when they play ahead of any movies that were shot in 1.85:1. According to IMDB technical specification statistics, there are over 700 titles with 2:1 aspect ratios, and the number has been growing in recent years. [ 14 ]

  3. French catheter scale - Wikipedia

    en.wikipedia.org/wiki/French_catheter_scale

    The French scale measures and is proportional to the outer diameter of a catheter, with 1 French (Fr) defined as 1 ⁄ 3 millimeter, making the relationship: 1 mm = 3 Fr. Thus, the outer diameter of a catheter in millimeters can be calculated by dividing the French size by 3. [ 2 ]

  4. Image sensor format - Wikipedia

    en.wikipedia.org/wiki/Image_sensor_format

    For example, 1/2.5 converts to 2/5 as a simple fraction, or 0.4 as a decimal number. This "inch" system gives a result approximately 1.5 times the length of the diagonal of the sensor. This "inch" system gives a result approximately 1.5 times the length of the diagonal of the sensor.

  5. Aspect ratio (image) - Wikipedia

    en.wikipedia.org/wiki/Aspect_ratio_(image)

    DVD producers can also choose to show even wider ratios such as 1.66:1, 1.75:1, 1.77:1 and 1.78:1 [1] within the 16:9 DVD frame by hard matting or adding black bars within the image itself. The 16:9 aspect ratio was used often in British TVs in the United Kingdom in the 1990s, and is also used in smartphones, laptops, and desktops.

  6. Mole fraction - Wikipedia

    en.wikipedia.org/wiki/Mole_fraction

    It is a dimensionless quantity with dimension of / and dimensionless unit of moles per mole (mol/mol or mol ⋅ mol-1) or simply 1; metric prefixes may also be used (e.g., nmol/mol for 10-9). [5] When expressed in percent , it is known as the mole percent or molar percentage (unit symbol %, sometimes "mol%", equivalent to cmol/mol for 10 -2 ).

  7. British Standard Whitworth - Wikipedia

    en.wikipedia.org/wiki/British_Standard_Whitworth

    Two spanners, both nominal size 58 in, with a diagram superimposed to show the logic that allows them both to be nominal size 58 in when their actual sizes are clearly different (across-flats distance vs screw diameter). The across-flats definition is the common standard today, and has been for many decades.

  8. Play Spades Online for Free - AOL.com

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

    Spades is all about bids, blinds and bags. Play Spades for free on Games.com alone or with a friend in this four player trick taking classic.

  9. Cardiac output - Wikipedia

    en.wikipedia.org/wiki/Cardiac_output

    Major factors influencing cardiac output – heart rate and stroke volume, both of which are variable. [1]In cardiac physiology, cardiac output (CO), also known as heart output and often denoted by the symbols , ˙, or ˙, [2] is the volumetric flow rate of the heart's pumping output: that is, the volume of blood being pumped by a single ventricle of the heart, per unit time (usually measured ...