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Total Flow Area
In medical terms, TFA commonly stands for "Transfemoral Amputation," which refers to the surgical removal of a limb above the knee. It can also refer to "Tissue Factor Antigen," involved in the blood coagulation process. The context in which TFA is used is crucial for determining its specific meaning.
Trifluoroacetic acid (TFA) is a strong acid commonly used in organic synthesis for deprotection of compounds, such as removal of protecting groups from amino acids in peptide synthesis. TFA can also be used to catalyze reactions, such as esterifications and acetalizations. Additionally, TFA can participate in nucleophilic substitution reactions, particularly with electron-rich nucleophiles.
The mechanism for tert-butyl ester deprotection using trifluoroacetic acid (TFA) involves the protonation of the oxygen atom in the ester group by TFA, leading to the cleavage of the tert-butyl group and formation of the corresponding carboxylic acid.
TFA ; a unit take out side fresh air to in side room / complax AHU ; a unit take inside air to conditioning air , remove heat from air , maintened temp. and give back that air to room
supplying fresh air at required temperature space that is tfa
There is only TFA the 'movie' ,season 1,2 and lastly 3.No more TFAs
TFA is pretty nasty, so I'll go with that.
The cast of N8ar Tzad Tfa Dow - 2011 includes: Booder Nadia Alami Mohamed Atir Tarik Boukhari Rachid El Ouali Hassan Foulane Hanane Ibrahimi Asmaa Khamlichi Abdelkbir Regagna Houda Rihani
The Autobots crash in Lake Erie, Michigan. But after leaving the lake, the Autobots end up in Detroit, Michigan.
TFA provides assistance in ionisation in the matrix, providing both ions and absorption at the wavelength of the MALDI laser.
Total Flow Area (TFA) is summation of nozzle areas which fluid can pass through. When you consider about the TFA, you need to count all nozzles that you have in a bit or a reamer. " http://www.drillingformulas.com/total-flow-area-tfa/ "