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Triflic acid, the short name for trifluoromethanesulfonic acid, TFMS, TFSA, HOTf or TfOH, is a sulfonic acid with the chemical formula CF 3 SO 3 H. It is one of the strongest known acids. Triflic acid is mainly used in research as a catalyst for esterification. [2] [3] It is a hygroscopic, colorless, slightly viscous liquid and is soluble in ...
TICA Trend. The International Cat Association publishes the TICA Trend, an official bi-monthly magazine that is distributed to the association's members as part of their membership. The Trend contains current TICA news, a calendar of upcoming shows, and articles on cat health and care, breeding and showing. The magazine also spotlights cats ...
The velocity of the charged particle after acceleration will not change since it moves in a field-free time-of-flight tube. The velocity of the particle can be determined in a time-of-flight tube since the length of the path (d) of the flight of the ion is known and the time of the flight of the ion (t) can be measured using a transient digitizer or time to digital converter.
The Fontanel Mansion is located in Whites Creek, Tennessee, and has 27,000 square feet of interior space. [2] It stands three stories and contains more than 20 rooms, 13 baths, 5 fireplaces, 2 kitchens, an indoor pool atrium that converts to a dance floor and an indoor shooting range. The mansion is one of the largest log homes in the world.
Call paid premium support at 1-800-358-4860 to get live expert help from AOL Customer Care. Having trouble signing in? Find out how to identify and correct common sign-in issues like problems with your username and password, account locks, looping logins, and other account access errors.
Logarithmic mean. Three-dimensional plot showing the values of the logarithmic mean. In mathematics, the logarithmic mean is a function of two non-negative numbers which is equal to their difference divided by the logarithm of their quotient. This calculation is applicable in engineering problems involving heat and mass transfer .
1710. ( 1710) Africa (around present-day Liberia and Benin) Died. December 1790. ( 1791-01) (aged 80) Alexandria, Virginia, U.S. Thomas Fuller (1710 – December 1790), also known as "Negro Demus" and the "Virginia Calculator", was an enslaved African renowned for his mathematical abilities.
ln (r) is the standard natural logarithm of the real number r. Arg (z) is the principal value of the arg function; its value is restricted to (−π, π]. It can be computed using Arg (x + iy) = atan2 (y, x). Log (z) is the principal value of the complex logarithm function and has imaginary part in the range (−π, π].