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  2. Permanent account number - Wikipedia

    en.wikipedia.org/wiki/Permanent_account_number

    A permanent account number ( PAN) is a ten-character alphanumeric identifier Foundational ID, issued in the form of a laminated "PAN card", by the Indian Income Tax Department, to any person who applies for it or to whom the department allots the number without an application. It can also be obtained in the form of a PDF file known as e-PAN ...

  3. Pan-pan - Wikipedia

    en.wikipedia.org/wiki/Pan-pan

    Pan-pan. The radiotelephony message PAN-PAN is the international standard urgency signal that someone aboard a boat, ship, aircraft, or other vehicle uses to declare that they need help and that the situation is urgent, [1] [2] [3] but for the time being, does not pose an immediate danger to anyone's life or to the vessel itself. [4]

  4. PAN truncation - Wikipedia

    en.wikipedia.org/wiki/PAN_truncation

    PAN truncation is an anti-fraud measure available on some credit-card-processing point of sale (POS) terminals as part of a merchant account service. "PAN" is an acronym for primary account number, i.e., the "card number" on either a debit or a credit card. PAN truncation simply replaces the card number printed on a customer receipt with a ...

  5. Attention span - Wikipedia

    en.wikipedia.org/wiki/Attention_span

    Attention span. Attention span is the amount of time spent concentrating on a task before becoming distracted. [1] Distractibility occurs when attention is uncontrollably diverted to another activity or sensation. [2] Attention training is said to be part of education, particularly in the way students are trained to remain focused on a topic of ...

  6. Pan-genome - Wikipedia

    en.wikipedia.org/wiki/Pan-genome

    At the top left are shown families from the dispensable genome and singletons. In the fields of molecular biology and genetics, a pan-genome ( pangenome or supragenome) is the entire set of genes from all strains within a clade. More generally, it is the union of all the genomes of a clade.

  7. Peroxyacetyl nitrate - Wikipedia

    en.wikipedia.org/wiki/Peroxyacetyl_nitrate

    Peroxyacetyl nitrate is a peroxyacyl nitrate. It is a secondary pollutant present in photochemical smog. [1] It is thermally unstable and decomposes into peroxyethanoyl radicals and nitrogen dioxide gas. [2] It is a lachrymatory substance, meaning that it irritates the lungs and eyes. [3]

  8. Soviet Union - Wikipedia

    en.wikipedia.org/wiki/Soviet_Union

    The Russian Orthodox Church enjoyed a privileged status as the church of the monarchy and took part in carrying out official state functions. The immediate period following the establishment of the Soviet state included a struggle against the Orthodox Church, which the revolutionaries considered an ally of the former ruling classes .

  9. Pan evaporation - Wikipedia

    en.wikipedia.org/wiki/Pan_evaporation

    Pan evaporation. Pan evaporation is a measurement that combines or integrates the effects of several climate elements: temperature, humidity, rain fall, drought dispersion, solar radiation, and wind. Evaporation is greatest on hot, windy, dry, sunny days; and is greatly reduced when clouds block the sun and when air is cool, calm, and humid. [1]