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  2. Trapezoidal thread form - Wikipedia

    en.wikipedia.org/wiki/Trapezoidal_thread_form

    Tr 60×9. where Tr designates a trapezoidal thread, 60 is the nominal diameter in millimeters, and 9 is the pitch in millimeters. When there is no suffix it is a single start thread. If there is a suffix then the value after the multiplication sign is the lead and the value in the parentheses is the pitch. For example: Tr 60×18(P9)LH

  3. Black triangle (UFO) - Wikipedia

    en.wikipedia.org/wiki/Black_triangle_(UFO)

    There is little evidence to support the TR-3's existence; however, it is possible that black triangle UFO reports associated with Black Manta could be a technology demonstrator for a potential new-generation tactical reconnaissance aircraft, and/or that TR-3 refers to a Technical Refresh of an existing program. [24] [25]

  4. Trace (linear algebra) - Wikipedia

    en.wikipedia.org/wiki/Trace_(linear_algebra)

    Trace (linear algebra) In linear algebra, the trace of a square matrix A, denoted tr (A), [1] is defined to be the sum of elements on the main diagonal (from the upper left to the lower right) of A. The trace is only defined for a square matrix ( n × n ). In mathematical physics texts, if tr (A) = 0 then the matrix is said to be traceless.

  5. List of mental disorders in the DSM-IV and DSM-IV-TR

    en.wikipedia.org/wiki/List_of_mental_disorders...

    291.x Alcohol-induced psychotic disorder. .5 With delusions. .3 With hallucinations. 291.89 Alcohol-induced mood disorder (coded 291.8 in the DSM-IV) 291.89 Alcohol-induced anxiety disorder (coded 291.8 in the DSM-IV) 291.89 Alcohol-induced sexual dysfunction (coded 291.8 in the DSM-IV)

  6. Textus Receptus - Wikipedia

    en.wikipedia.org/wiki/Textus_Receptus

    Metzger argued for the TR reading to be a harmonization from Revelation 21:6 [126] Revelation 6:12 The Textus Receptus adds the words "and, lo" before the word "earthquake". Alexandrinus (5th century) 296, 2066, Vulgate (4th century) and Primasius (6th century)

  7. Technology readiness level - Wikipedia

    en.wikipedia.org/wiki/Technology_readiness_level

    t. e. Technology readiness levels ( TRLs) are a method for estimating the maturity of technologies during the acquisition phase of a program. TRLs enable consistent and uniform discussions of technical maturity across different types of technology. [ 1] TRL is determined during a technology readiness assessment ( TRA) that examines program ...

  8. Thyroid hormone receptor - Wikipedia

    en.wikipedia.org/wiki/Thyroid_hormone_receptor

    The thyroid hormone receptor ( TR) [1] is a type of nuclear receptor that is activated by binding thyroid hormone. [2] TRs act as transcription factors, ultimately affecting the regulation of gene transcription and translation. These receptors also have non-genomic effects that lead to second messenger activation, and corresponding cellular ...

  9. Voice of Turkey - Wikipedia

    en.wikipedia.org/wiki/Voice_of_Turkey

    Voice of Turkey ( Turkish: Türkiye'nin Sesi Radyosu) is the international service of Turkish state radio on shortwave, Turksat 3A satellite and the internet. All the broadcasts are transmitted from single site near Emirler, Ankara Province. ( 39.4016°N 32.8558°E ). The interval signal of Voice of Turkey received in the UK on 15450 kHz in May ...