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The purity of a gas is generally expressed as a grade prefixed with the letter N (rather than postfixed), indicating the "number of nines" in the percentage or decimal fraction. For example, a N2.0 gas is 99% (two nines) pure and 1% impurities by volume; a N6.0 gas is 99.9999% (six nines) pure, with 1 part per million (1 ppm or 1 vpm, volume ...
The rank of the second quartile (same as the median) is 10×(2/4) = 5, which is an integer, while the number of values (10) is an even number, so the average of both the fifth and sixth values is taken—that is (8+10)/2 = 9, though any value from 8 through to 10 could be taken to be the median.
1 in 1 744 278: Every 4776 years (once in recorded history) μ ± 5.5σ: 0.999 999 962 020 875: 3.798 × 10 −8 = 37.98 ppb: 1 in 26 330 254: Every 72 090 years (thrice in history of modern humankind) μ ± 6σ: 0.999 999 998 026 825: 1.973 × 10 −9 = 1.973 ppb: 1 in 506 797 346: Every 1.38 million years (twice in history of humankind) μ ± ...
The standardised registers Hindi and Urdu are collectively known as Hindi–Urdu. [11] Hindustani is the lingua franca of the north and west of the Indian subcontinent, though it is understood fairly well in other regions also, especially in the urban areas. [12] This has led it to be characterised as a continuum that ranges between Hindi and ...
As of 2021, the most prominent South Asian languages spoken in Metro Vancouver include Punjabi, Hindustani (Hindi-Urdu) and Gujarati. [52] The Punjabi speaking population in Vancouver has witnessed large growth over recent decades. In 1986, around 30,000 individuals in Metro Vancouver spoke Punjabi; [60] by 1991, this number grew to around ...
When it comes to insects' DNA, humans have a bit less in common. For example, fruit flies share 61 percent of disease-causing genes with humans, which was important when NASA studied the bugs to ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 1 January 2025. This article needs to be updated. Please help update this article to reflect recent events or newly available information. (March 2022) World map of countries shaded according to the literacy rate for all people aged 15 and over This is a list of countries by literacy rate. The global ...
The oldest preserved examples of Indian music are the melodies of the Samaveda (1000 BC) that are still sung in certain Ĺrauta sacrifices; this is the earliest account of Indian musical hymns. [128] The Samaveda, and other Hindu texts, heavily influenced India's classical music tradition, which is known today in two distinct styles: Hindustani ...