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< and sup
Because the clocks had been on average well above sea level, this meant that TAI slowed down, by about 10 < sup >− 12 </ sup >.
Algeria has always been a source of inspiration for different painters who tried to immortalize the prodigious diversity of the sites it offers and the profusion of the facets that passes its population, which offers for Orientalists between the 19 < sup > th </ sup > century and the 20 < sup > th </ sup > century, a striking inspiration for a very rich artistic creation like Eugène Delacroix with his famous painting women of Algiers in their apartment or Etienne Dinet or other painters of world fame like Pablo Picasso with his painting women of Algiers, or painters issued from the Algiers school.
* If it is required to use a single number X as an estimate for the value of numbers, then the arithmetic mean does this best, in the sense of minimizing the sum of squares ( x < sub > i </ sub > − X )< sup > 2 </ sup > of the residuals.
η < sup > 2 </ sup > ( eta-squared ):
He also offers a conversion table ( see Cohen, 1988, p. 283 ) for eta squared ( η < sup > 2 </ sup >) where 0. 0099 constitutes a small effect, 0. 0588 a medium effect and 0. 1379 a large effect.
When there are only two means to compare, the t-test and the ANOVA F-test are equivalent ; the relation between ANOVA and t is given by F = t < sup > 2 </ sup >.
The Arrhenius definition states that acids are substances which increase the concentration of hydronium ions ( H < sub > 3 </ sub > O < sup >+</ sup >) in solution.
The reason why pHs of acids are less than 7 is that the concentration of hydronium ions is greater than 10 < sup >− 7 </ sup > moles per liter.
An Arrhenius acid is a substance that increases the concentration of the hydronium ion, H < sub > 3 </ sub > O < sup >+</ sup >, when dissolved in water.

< and >
The International Time Bureau ( BIH ) began a time scale, T < sub > m </ sub > or AM, in July 1955, using both local caesium clocks and comparisons to distant clocks using the phase of VLF radio signals.
< center ></ center >
< center >
All 128 ASCII characters, including non-printable characters ( represented by their abbreviations ). The 95 ASCII graphic characters are numbered from 20 < sub > hexadecimal | hex </ sub > to 7E < sub > hexadecimal | hex </ sub > ( decimal 32 to 126 ).
The " space " character had to come before graphics to make sorting easier, so it became position 20 < sub > hex </ sub >; for the same reason, many special signs commonly used as separators were placed before digits.
To keep options available for lower case letters and other graphics, the special and numeric codes were arranged before the letters, and the letter " A " was placed in position 41 < sub > hex </ sub > to match the draft of the corresponding British standard.
The @ symbol was not used in continental Europe and the committee expected it would be replaced by an accented À in the French variation, so the @ was placed in position 40 < sub > hex </ sub > next to the letter A.

< and 177
Gold's least stable isomer is < sup > 177 m2 </ sup > Au with a half-life of only 7 ns.
The total volume of tributaries in Nigeria is six times higher than the inflow into Nigeria, with a flow near the mouth of the river standing at 177. 0 km < sup > 3 </ sup >/ year before the 1980s and 147. 3 km < sup > 3 </ sup >/ year during the 1980s.
* 177 km < sup > 2 </ sup > -- Washington, D. C., United States
A " super obese " male with a BMI of 47 kg / m < sup > 2 </ sup >: weight 146 kg ( 322 lb ), height 177 cm ( 5 ft 10 in )
There were 630 housing units at an average density of 461. 3 per square mile ( 177. 6 / km < sup > 2 </ sup >).
According to the United States Census Bureau, the township had a total area of 68. 687 square miles ( 177. 900 km < sup > 2 </ sup >), of which, 62. 149 square miles ( 160. 966 km < sup > 2 </ sup >) of it is land and 6. 538 square miles ( 16. 934 km < sup > 2 </ sup >) of it ( 9. 52 %) is water.
According to the United States Census Bureau, the city had a total area of 69. 029 square miles ( 178. 785 km < sup > 2 </ sup >), of which, 68. 424 square miles ( 177. 218 km < sup > 2 </ sup >) of it is land and 0. 605 square miles ( 1. 568 km < sup > 2 </ sup >) of it ( 0. 88 %) is water.
The population density was 23, 330. 0 people per square mile ( 9, 177. 6 / km < sup > 2 </ sup >).
There were 858 housing units at an average density of 177. 2 / km < sup > 2 </ sup > ( 460. 0 / mi < sup > 2 </ sup >).
The population density was 460. 6 per square mile ( 177. 6 / km < sup > 2 </ sup >).
The population density was 459. 1 people per square mile ( 177. 5 / km < sup > 2 </ sup >).
There were 618 housing units at an average density of 177. 9 / sq mi ( 68. 8 / km < sup > 2 </ sup >).
The population density was 458. 8 people per square mile ( 177. 2 / km < sup > 2 </ sup >).
There were 772 housing units at an average density of 177. 5 / sq mi ( 68. 5 / km < sup > 2 </ sup >).
The population density was 457. 5 people per square mile ( 177. 2 / km < sup > 2 </ sup >).
The population density was 460. 7 people per square mile ( 177. 5 / km < sup > 2 </ sup >).
There were 1, 349 housing units at an average density of 177. 8 per square mile ( 68. 6 / km < sup > 2 </ sup >).
The population density was 177. 6 people per square mile ( 68. 6 / km < sup > 2 </ sup >).

< and </
If F ≥ F < sub > Critical </ sub > ( Numerator DF, Denominator DF, α )
With the formula C < sub > n </ sub > H < sub > 2n + 2 </ sub >, Alkanes belong to a homologous series of organic compounds in which the members differ by a constant relative molecular mass of 14.
The number of carbon atoms is used to define the size of the alkane ( e. g., C < sub > 2 </ sub >- alkane ).
The simplest possible alkane ( the parent molecule ) is methane, CH < sub > 4 </ sub >.

< and is
BF < sub > 3 </ sub > is a Lewis acid because it accepts the electron pair from fluoride.
The species that gains the electron pair is the Lewis acid ; for example, the oxygen atom in H < sub > 3 </ sub > O < sup >+</ sup > gains a pair of electrons when one of the H — O bonds is broken and the electrons shared in the bond become localized on oxygen.
The Brønsted-Lowry definition is the most widely used definition ; unless otherwise specified acid-base reactions are assumed to involve the transfer of a proton ( H < sup >+</ sup >) from an acid to a base.
Reactions of acids are often generalized in the form HA H < sup >+</ sup > + A < sup >−</ sup >, where HA represents the acid and A < sup >−</ sup > is the conjugate base.
The acid dissociation constant K < sub > a </ sub > is generally used in the context of acid-base reactions.
The numerical value of K < sub > a </ sub > is equal to the concentration of the products divided by the concentration of the reactants, where the reactant is the acid ( HA ) and the products are the conjugate base and H < sup >+</ sup >.
Because the range of possible values for K < sub > a </ sub > spans many orders of magnitude, a more manageable constant, pK < sub > a </ sub > is more frequently used, where pK < sub > a </ sub >

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