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  2. Trump derangement syndrome - Wikipedia

    en.wikipedia.org/wiki/Trump_derangement_syndrome

    Trump derangement syndrome ( TDS) is a pejorative term, usually for criticism or negative reactions to former United States president Donald Trump that are perceived to be irrational and to have little regard towards Trump's actual policy positions, or actions undertaken by his administration. [1] The term has mainly been used by Trump ...

  3. Total dissolved solids - Wikipedia

    en.wikipedia.org/wiki/Total_dissolved_solids

    Total dissolved solids ( TDS) is a measure of the dissolved combined content of all inorganic and organic substances present in a liquid in molecular, ionized, or micro-granular ( colloidal sol) suspended form. TDS are often measured in parts per million (ppm). TDS in water can be measured using a digital meter.

  4. Thermal desorption spectroscopy - Wikipedia

    en.wikipedia.org/wiki/Thermal_desorption...

    Temperature programmed desorption (TPD) is the method of observing desorbed molecules from a surface when the surface temperature is increased. When experiments are performed using well-defined surfaces of single-crystalline samples in a continuously pumped ultra-high vacuum (UHV) chamber, then this experimental technique is often also referred to as thermal desorption spectroscopy or thermal ...

  5. AT&T service restored after nationwide outage. Feds are ...

    www.aol.com/call-cellphone-outage-affecting-911...

    Around 9 a.m., AT&T had more than 73,000 reported outages, Cricket Wireless had nearly 13,000, Verizon had over 4,000 and T-Mobile had more than 2,000, Down Detector reported. The service ...

  6. Tunable diode laser absorption spectroscopy - Wikipedia

    en.wikipedia.org/wiki/Tunable_diode_laser...

    Tunable diode laser absorption spectroscopy. Tunable diode laser absorption spectroscopy ( TDLAS, sometimes referred to as TDLS, TLS or TLAS [1]) is a technique for measuring the concentration of certain species such as methane, water vapor and many more, in a gaseous mixture using tunable diode lasers and laser absorption spectrometry.

  7. Terahertz time-domain spectroscopy - Wikipedia

    en.wikipedia.org/wiki/Terahertz_time-domain...

    In physics, terahertz time-domain spectroscopy ( THz-TDS) is a spectroscopic technique in which the properties of matter are probed with short pulses of terahertz radiation. The generation and detection scheme is sensitive to the sample's effect on both the amplitude and the phase of the terahertz radiation. Fourier transform of the above pulse.

  8. Facebook is back! DownDetector shows most users regaining ...

    www.aol.com/facebook-down-downdetector-shows-not...

    Was Facebook down today? According to DownDetecto r.com, there have been 20,668 reports of Facebook issues reported at 12:11 p.m. ET. The number of outages is currently falling. The peak was ...

  9. Nephelometer - Wikipedia

    en.wikipedia.org/wiki/Nephelometer

    A nephelometer [1] or aerosol photometer [2] is an instrument for measuring the concentration of suspended particulates in a liquid or gas colloid. A nephelometer measures suspended particulates by employing a light beam (source beam) and a light detector set to one side (often 90°) of the source beam. Particle density is then a function of ...

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