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  2. List of thread standards - Wikipedia

    en.wikipedia.org/wiki/List_of_thread_standards

    V Thread Form ASME B1.15-1995 (R2003) Unified Inch Screw Threads (UNJ Thread Form) V Thread Form ASME B1.20.1-2013: Pipe Threads, General Purpose (Inch) Pipe Thread Form ANSI B1.20.3-1976 (R2013) Dryseal Pipe Threads (Inch) Pipe Thread Form ASME B1.20.7-1991 (R2013) Hose Coupling Screw Threads - Inch: Pipe Thread Form ASME B1.21M-1997 (R2013 ...

  3. B visa - Wikipedia

    en.wikipedia.org/wiki/B_visa

    As with other non-immigrant U.S. visas, a B-1/B-2 visa has a validity period (from 1 month to 10 years), allows for one, two, three or multiple entries into the U.S., and elicits a period of stay (maximum 6 months) recorded by the Customs and Border Protection officer at the port of entry on the individual's form I-94. The validity period ...

  4. Unified Thread Standard - Wikipedia

    en.wikipedia.org/wiki/Unified_Thread_Standard

    The standard designation for a UTS thread is a number indicating the nominal (major) diameter of the thread, followed by the pitch measured in threads per inch.For diameters smaller than ⁠ 1 / 4 ⁠ inch, the diameter is indicated by an integer number defined in the standard; for all other diameters, the inch figure is given.

  5. B visa in lieu of other visas - Wikipedia

    en.wikipedia.org/wiki/B_visa_in_lieu_of_other_visas

    However, for the B-1 in lieu of H-3, an application can be made directly to the United States consulate, and Form I-129 is not relevant. The B-1 in lieu of H-3 has the same time limits on stay as usual B-1 visas, which is a maximum of 6 months per year, and therefore a maximum of 6 contiguous months.

  6. H-1B1 visa - Wikipedia

    en.wikipedia.org/wiki/H-1B1_visa

    The H-1B1 visa (and associated H-1B1 status) is a variant of the H-1B visa in the United States for nationals of Singapore and Chile. The version for Singapore is called the H-1B1-Singapore and the version for Chile is called the H-1B1-Chile. These categories were introduced with the Singapore–United States Free Trade Agreement and Chile–United States Free Trade Agreement respectively ...

  7. Paper size - Wikipedia

    en.wikipedia.org/wiki/Paper_size

    For example, Engineering F size is 28 in × 40 in or 711 mm × 1,016 mm with ca. 1.4286:1; it is commonly required for NAVFAC drawings, but is generally less commonly used. Engineering G size is 22 + 1 ⁄ 2 in (572 mm) high, but it is a roll format with a variable width up to 90 in (2.3 m) in increments of 8 + 1 ⁄ 2 in (216 mm). Engineering ...

  8. Polymyxin - Wikipedia

    en.wikipedia.org/wiki/Polymyxin

    Polymyxin B1, in turn, comprises several isomers, like isoleucine-polymyxin B1 and B1-1. [15] The major impediment in the purification and isolation of one isomer is due to the minimal structural differences between Polymyxin B1 and B2, differing only in one carbon at the 6th position of the fatty acyl side chain linked to the D-Phenylalanine ...

  9. Benfotiamine - Wikipedia

    en.wikipedia.org/wiki/Benfotiamine

    Benfotiamine (rINN, or S-benzoylthiamine O-monophosphate) is a synthetic, fat-soluble, S-acyl derivative of thiamine (vitamin B1) that is approved in some countries as a medication or dietary supplement to treat diabetic sensorimotor polyneuropathy. Benfotiamine was developed in late 1950s in Japan. [1] [2]