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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 32
In stellar and galactic astronomy, the standard distance is 10 parsecs ( about 32. 616 light years, or 3 × 10 < sup > 14 </ sup > kilometres ).
The outputs are added modulo 2 < sup > 32 </ sup > and XORed to produce the final 32-bit output.
:( x < sub > 31 </ sub > OR x < sub > 32 </ sub > OR x < sub > 33 </ sub >) AND ...
For example, if a binary CPU uses 32 bits to represent a memory address, and each memory address represents one octet ( 8 bits ), the maximum quantity of memory that CPU can address is 2 < sup > 32 </ sup > octets, or 4 GiB.
It lasted from 10 < sup >− 36 </ sup > seconds after the Big Bang to sometime between 10 < sup >− 33 </ sup > and 10 < sup >− 32 </ sup > seconds.
In the early 1980s, the concentration of ionic species ( in g / kg ) of Dead Sea surface water was Cl < sup >−</ sup > ( 181. 4 ), Br < sup >−</ sup > ( 4. 2 ), SO < sub > 4 </ sub >< sup > 2 −</ sup > ( 0. 4 ), HCO < sub > 3 </ sub >< sup >−</ sup > ( 0. 2 ), Ca < sup > 2 +</ sup > ( 14. 1 ), Na < sup >+</ sup > ( 32. 5 ), K < sup >+</ sup > ( 6. 2 ) and Mg < sup > 2 +</ sup > ( 35. 2 ).
Conversely, if the data are sparse — that is, if only K out of N Fourier coefficients are nonzero — then the complexity can be reduced to O ( K log N log ( N / K )), and this has been demonstrated to lead to practical speedups compared to an ordinary FFT for N / K > 32 in a large-N example ( N = 2 < sup > 22 </ sup >) using a probabilistic approximate algorithm ( which estimates the largest K coefficients to several decimal places ).
32 K, with a strain of ( 43 ± 5 ) × 10 < sup >− 4 </ sup >.
* Writing in the American Journal of Physics, physicist Edgar D. Zanotto states "... the predicted relaxation time for GeO < sub > 2 </ sub > at room temperature is 10 < sup > 32 </ sup > years.
" ( 10 < sup > 32 </ sup > years is many times longer than the estimated age of the Universe.

< 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 S
The 21st chapter was omitted from the editions published in the United States prior to 1986 .< ref > Burgess, Anthony ( 1986 ) A Clockwork Orange Resucked in < u > A Clockwork Orange </ u >, W. W. Norton & Company, New York .</ ref > In the introduction to the updated American text ( these newer editions include the missing 21st chapter ), Burgess explains that when he first brought the book to an American publisher, he was told that U. S. audiences would never go for the final chapter, in which Alex sees the error of his ways, decides he has lost all energy for and thrill from violence and resolves to turn his life around ( a slow-ripening but classic moment of metanoia — the moment at which one's protagonist realises that everything he thought he knew was wrong ).
A lustrous gray metalloid, it is found in nature mainly as the sulfide mineral stibnite ( Sb < sub > 2 </ sub > S < sub > 3 </ sub >).
Antimony is sometimes found natively, but more frequently it is found in the sulfide stibnite ( Sb < sub > 2 </ sub > S < sub > 3 </ sub >) which is the predominant ore mineral.
Only a limited number of actinium compounds are known including AcF < sub > 3 </ sub >, AcCl < sub > 3 </ sub >, AcBr < sub > 3 </ sub >, AcOF, AcOCl, AcOBr, Ac < sub > 2 </ sub > S < sub > 3 </ sub >, Ac < sub > 2 </ sub > O < sub > 3 </ sub > and AcPO < sub > 4 </ sub >.
These states are labeled by a set of quantum numbers summarized in the term symbol and usually associated with particular electron configurations, i. e., by occupation schemes of atomic orbitals ( e. g., 1s < sup > 2 </ sup > 2s < sup > 2 </ sup > 2p < sup > 6 </ sup > for the ground state of neon -- term symbol: < sup > 1 </ sup > S < sub > 0 </ sub >).
In the < tt > SubBytes </ tt > step, each byte in the state is replaced with its entry in a fixed 8-bit lookup table, S ; b < sub > ij </ sub > = S ( a < sub > ij </ sub >).
The U. S. survey acre is about 4, 046. 872 609 874 252 square metres ; its exact value ( m < sup > 2 </ sup >) is based on an inch defined by 1 metre = 39. 37 inches exactly, as established by the Mendenhall Order.

< 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 >

0.227 seconds.