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Astatine is the least reactive of the halogens, being less reactive than iodine ; however, multiple compounds of astatine have been synthesized in microscopic amounts and studied as intensively as possible before their inevitable radioactive disintegration.
* Naturalism, the School of Naturalists or the Yin-yang school, which synthesized the concepts of yin-yang and the Five Elements ; Zou Yan is considered the founder of this school.
The and convention for amino acid configuration refers not to the optical activity of the amino acid itself, but rather to the optical activity of the isomer of glyceraldehyde from which that amino acid can, in theory, be synthesized (- glyceraldehyde is dextrorotary ;-glyceraldehyde is levorotatory ).
* 1982 – The synthetic chemical element Meitnerium, atomic number 109, is first synthesized at the Gesellschaft für Schwerionenforschung in Darmstadt, Germany.
Because any beryllium synthesized in stars is short-lived, it is a relatively rare element in both the universe and in the crust of the Earth.
The major isotope of berkelium, berkelium-249, is synthesized in minute quantities in dedicated high-flux nuclear reactors, mainly at the Oak Ridge National Laboratory in Tennessee, USA, and at the Research Institute of Atomic Reactors in Dimitrovgrad, Russia.
In supernova explosions, calcium is formed from the reaction of carbon with various numbers of alpha particles ( helium nuclei ), until the most common calcium isotope ( containing 10 helium nuclei ) has been synthesized.
It is an actinide element, the sixth transuranium element to be synthesized, and has the second-highest atomic mass of all the elements that have been produced in amounts large enough to see with the unaided eye ( after einsteinium ).
Legalism is a pragmatic political philosophy synthesized by Shang Yang and Han Fei.
The School of Naturalists or the School of Yin-yang ( 陰陽家 / 阴阳家 ; Yīnyángjiā ; Yin-yang-chia ; " School of Yin-Yang ") was a Warring States era philosophy that synthesized the concepts of yin-yang and the Five Elements ; Zou Yan is considered the founder of this school.
There is a large genre of music that is organized, synthesized, and created on computers.
The term carotene ( also carotin, from the Latin carota, or carrot ) is used for several related unsaturated hydrocarbon substances having the formula C < sub > 40 </ sub > H < sub > x </ sub >, which are synthesized by plants but cannot be made by animals.
Chymotrypsin is synthesized in the pancreas by protein biosynthesis as a precursor called chymotrypsinogen that is enzymatically inactive.
In genetics, complementary DNA ( cDNA ) is DNA synthesized from a messenger RNA ( mRNA ) template in a reaction catalyzed by the enzyme reverse transcriptase and the enzyme DNA polymerase.
Though there are several methods for doing so, cDNA is most often synthesized from mature ( fully spliced ) mRNA using the enzyme reverse transcriptase.
Endocrinology ( from Greek, endo, " within ";, krīnō, " to separate "; and ,-logia ) is a branch of biology and medicine dealing with the endocrine system, its diseases, and its specific secretions called hormones, the integration of developmental events such as proliferation, growth, and differentiation ( including histogenesis and organogenesis ) and the coordination of metabolism, respiration, excretion, movement, reproduction, and sensory perception depend on chemical cues, substances synthesized and secreted by specialized cells.
Freestyle features a dance tempo with stress on beats two and four ; syncopation with a bass line, lead synth, or percussion, and optional stabs of synthesized brass or orchestral samples ; sixteenth-note hi-hats ; a chord progression that lasts eight, 16, or 32 beats and is usually in a minor key ; relatively complex, upbeat melodies with singing, verses, and a chorus ; and themes about love or dancing.
* 1961 – Discovery of the chemical elements: Element 103, Lawrencium, is first synthesized at the University of California.
A ligand such as an EDTA fragment is synthesized onto the amine, and a metal cation is complexed into the EDTA fragment.
Hemoglobin ( Hb ) is synthesized in a complex series of steps.

is and via
A stock transaction for less than a hundred shares is executed via a special odd-lot broker on the floor of the exchange.
On review the Supreme Court, via Mr. Justice Frankfurter, found southern racial problems `` a sensitive area of social policy on which the federal courts ought not to enter unless no alternative to adjudication is open ''.
`` The white colonnaded, cedar-roofed Southern mansion is directly traceable via the grey and buff stone of grey-skied England to the golden stucco of one particular part of the blue South, the Palladian orbit stretching out from Vicenza: the old mind of Andrea Palladio still smiles from behind many an old rocking chair on a Southern porch, the deep friezes of his architectonic music rise firm above the shallower freeze in the kitchen, his feeling for light and shade brings a glitter from a tall mint julep, his sense of columns framing the warm velvet night has brought together a million couple of mating lips ''.
Then the arithmetic mean is defined via the equation
Their job is to filter the blood of metabolic waste and transport the urine via ureters to the urinary bladder where it is stored before being passed out periodically through the cloacal vent.
The earliest known alphabet in the wider sense is the Wadi el-Hol script, believed to be an abjad, which through its successor Phoenician is the ancestor of modern alphabets, including Arabic, Greek, Latin ( via the Old Italic alphabet ), Cyrillic ( via the Greek alphabet ) and Hebrew ( via Aramaic ).
As a result of having an actuator controlled precisely with air pressure via a servosystem, the movement is very fluid and there is very little noise.
An example of a digital remote telescope operation for public use via the Internet is the The Bareket Observatory.
The standard ampere is most accurately realized using a watt balance, but is in practice maintained via Ohm's Law from the units of electromotive force and resistance, the volt and the ohm, since the latter two can be tied to physical phenomena that are relatively easy to reproduce, the Josephson junction and the quantum Hall effect, respectively.
The name in the Hindu zodiac is likewise kumbha " water-pitcher ", showing that the zodiac reached India via Greek intermediaries.
The second longest-lived isotope of astatine, astatine-211, is the only one currently having any commercial application, being employed in medicine to diagnose and treat some diseases via its emission of alpha particles ( helium-4 nuclei ).
Since the evolution of the Aramaic alphabet out of the Phoenician one was a gradual process, the division of the world's alphabets into those derived from the Phoenician one directly and those derived from Phoenician via Aramaic is somewhat artificial.
Amplitude modulation ( AM ) is a technique used in electronic communication, most commonly for transmitting information via a radio carrier wave.
Mass production via assembly lines is widely considered to be the catalyst which initiated the modern consumer culture by making possible low unit cost for manufactured goods.
Abalone ( or ; via Spanish, from the ), is a common name for any of a group of small to very large edible sea snails, marine gastropod molluscs in the family Haliotidae.
Much of the transportation of passengers is done via aircraft.
However, there is one railroad that connects Chile with Argentina via the Andes, and there are others that make the same connection via southern Bolivia.

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* 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.
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 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 >.
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.
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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