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  2. 2,3,3,3-Tetrafluoropropene - Wikipedia

    en.wikipedia.org/wiki/2,3,3,3-Tetrafluoropropene

    2,3,3,3-Tetrafluoropropene, HFO-1234yf, is a hydrofluoroolefin (HFO) with molecular formula CH 2 =CFCF 3. Its primary application is as a refrigerant with low global warming potential (GWP). [1] [2] As a refrigerant, it is designated R-1234yf [1] and marketed under the names Opteon YF by Chemours and as Solstice YF by Honeywell. [3]

  3. trans-1,3,3,3-Tetrafluoropropene - Wikipedia

    en.wikipedia.org/wiki/Trans-1,3,3,3-tetrafluoro...

    trans-1,3,3,3-Tetrafluoropropene (HFO-1234ze(E), R-1234ze(E)) is a hydrofluoroolefin. It was developed as a "fourth generation" refrigerant to replace fluids such as R-134a , as a blowing agent for foam and aerosol applications, and in air horns and gas dusters . [ 3 ]

  4. cis-1,3,3,3-Tetrafluoropropene - Wikipedia

    en.wikipedia.org/wiki/Cis-1,3,3,3-tetrafluoropropene

    cis-1,3,3,3-Tetrafluoropropene (HFO-1234ze(Z), R-1234ze(Z)) is a hydrofluoroolefin which has been considered for use as a refrigerant in high-temperature heat pumps.

  5. Hydrofluoroolefin - Wikipedia

    en.wikipedia.org/wiki/Hydrofluoroolefin

    2,3,3,3-tetrafluoropropene (HFO-1234yf, trademarked as Opteon YF) and 1,3,3,3-tetrafluoropropene (HFO-1234ze). [7] cis-1,1,1,4,4,4-hexafluoro-2-butene (HFO-1336mzz-Z; DR-2) shows also a promise in high temperature applications like cogeneration, heat recovery and medium temperature heat pumps. trans-1,1,1,4,4,4-hexafluoro-2-butene (HFO-1336mzz ...

  6. Tetrafluoropropene - Wikipedia

    en.wikipedia.org/wiki/Tetrafluoropropene

    Tetrafluoropropene, also called tetrafluoropropylene, has the following isomers: 1,1,2,3-tetrafluoropropene (HFO-1234yc) 1,1,3,3-tetrafluoropropene (HFO-1234zc)

  7. Use Face, Fingerprint or PIN to sign in to AOL

    help.aol.com/articles/use-face-fingerprint-or...

    Entering a password to sign in to your AOL account can sometimes feel like a hassle, especially if you forget it. If your smart device is enabled with biometric authenticators like a fingerprint sensor or facial recognition technology, you can sign in with ease. Enable biometric sign in

  8. 1,3,3,3-Tetrafluoropropene - Wikipedia

    en.wikipedia.org/wiki/1,3,3,3-Tetrafluoropropene

    C 3 H 2 F 4: Molar mass: 114.043 g·mol −1 Boiling point: −16 °C (3 °F; 257 K) [1] ... 1,3,3,3-Tetrafluoropropene is a hydrofluoroolefin which has two isomers:

  9. Biometric device - Wikipedia

    en.wikipedia.org/wiki/Biometric_device

    Biometric spoofing is a method of fooling [7] a biometric identification management system, where a counterfeit mold is presented in front of the biometric scanner. This counterfeit mold emulates the unique biometric attributes of an individual so as to confuse the system between the artifact and the real biological target and gain access to ...