By comparing reaction cells sealed from the same manifold temperature dependency corresponding to activation energies ranging from 11 to 18 Af was observed while dependence on the first power of the light intensity seemed to be indicated in most cases.

By comparing the form of several yupanas, researchers found that calculations were based using the Fibonacci sequence 1, 1, 2, 3, 5 and powers of 10, 20 and 40 as place values for the different fields in the instrument.

By comparing Arithmetic and Geometric mean of numbers

By comparing the length and intensity of various methods of therapies, it was proven that intensity is a better predictor of recovery than the method of therapy used.

By comparing different embryonic stages of different vertebrate species, he formulated the Recapitulation theory.

By comparing mitochondrial DNA which is inherited only from the mother, geneticists have concluded that the last female common ancestor whose genetic marker is found in all modern humans, the so-called mitochondrial Eve, must have lived around 200, 000 years ago.

By comparing the genome compositions between genomes, scientists can better understand the evolutionary history of a given genome.

By comparing the relative positions of the moon and Mars with their anticipated positions, Vespucci was able to crudely deduce his longitude.

Soon however, Marl's records became more sample heavy, as can be seen by comparing the MC Shan LPs Down By Law ( 1987 ) and Born to be Wild ( 1988 ); the rhythms less electronic, with drum samples and patterns becoming more prominent.

By comparing the different natural languages, scholars hope to learn something about the nature of human intelligence and the innate biases and constraints that shape natural language, which are sometimes called universal grammar.

By comparing the times of the eclipses, the difference in longitude of Paris to Uranienborg was calculated.

By comparing the photographic plates of the Pleiades cluster taken in 1918 with images taken in 1943, van Maanen was able to identify those stars that had a proper motion similar to the mean motion of the cluster, and were therefore more likely to be members.

By comparing skulls of different ethnic groups it supposedly allowed for ranking of races from least to most evolved.

By measuring the frequency of the returned signal and comparing that with the original, the difference can be easily measured.

By comparing the spectra of stars such as Sirius to the Sun, they found differences in the strength and number of their absorption lines — the dark lines in a stellar spectra due to the absorption of specific frequencies by the atmosphere.

By comparing the spectrum to computed models of stellar evolution, the age, mass, radius and luminosity of Tau Ceti can be estimated.

By monitoring vegetation changes over time, droughts can be monitored by comparing the current vegetation state to its long term average.

By instead comparing the radiated power in a given direction to the actual power that the antenna receives from the transmitter, the power gain takes into account that poorer efficiency, making it a more useful figure of merit for the ability of a transmitter in sending a radio wave toward a receiver.

By expanding the left hand side and then comparing the real and imaginary parts under the assumption that x is real, it is possible to derive useful expressions for cos ( nx ) and sin ( nx ) in terms of cos x and sin x.

By comparing the arrival times of gamma showers with the separations of the spacecraft, a location can be determined, for follow-up with other telescopes.

By comparing this with the account of stupteria given by Dioscorides in the 123rd chapter of his 5th book, it is obvious that the two are identical.

* 1862 – By analysing the spectroscopic signature of the Sun and comparing it to those of other stars, Father Angelo Secchi determines that the Sun is itself a star.

By counting numbers of live and dead mites that developed every 15 days and comparing this with his initial count on the infant, he was able to estimate how long that infant was dead.

By writing as a Laurent series and explicitly comparing terms, one may verify that it satisfies the relation

By 2002, many parts of the movement showed wide opposition to the impending invasion of Iraq.

By the early 20th century, Bulgaria, Greece, Montenegro and Serbia had achieved independence from the Ottoman Empire, but large parts of their ethnic populations remained under Ottoman rule.

By the mid-1960s, parts of Cambodia's eastern provinces were serving as bases for North Vietnamese Army and Viet Cong ( NVA / VC ) forces operating against South Vietnam, and the port of Sihanoukville was being used to supply them.

By 1943, the Partisan resistance movement had gained the upper hand, against the odds, and in 1945, with help from the Soviet Red Army ( passing only through small parts such as Vojvodina ), expelled the Axis forces and local supporters.

By being the " calm center " around which the kingdom turns, the king allows everything to function smoothly and avoids having to tamper with the individual parts of the whole.

By 572 Nebuchadnezzar was in full control of Mesopotamia, Aramea ( Syria ), Phonecia, Israel, Judah, Philistinia, Samarra, Jordan, northern Arabia and parts of Asia Minor.

By 2005, large parts of W3C DOM were well-supported by common ECMAScript-enabled browsers, including Microsoft Internet Explorer version 6 ( 2001 ), Opera, Safari and Gecko-based browsers ( like Mozilla, Firefox, SeaMonkey and Camino ).

By the time of Honorius ’ s death in 423, Britain, Spain and large parts of Gaul had effectively passed into barbarian control.

By the late evening of 12 April most of the major southern parts and all the western area of the city had been occupied by the Germans, who cleared the city house by house, street by street.

By 2006, such was the confusion from these multiple Acts, each amending the others ( and not all of which were ever actually commenced and thus were in the public record but not enforced as actual legislation ); and the amendments of Irish firearms legislation by other Acts ranging from the Wildlife Acts ( mostly relating to hunting law ) to the Road Traffic Acts ( relating to how and where firearms could be transported ) and others ; the large amount of secondary legislation ( Statutory Instruments, which set out regulations, the design of application forms for licences and so forth, as well as the details of when various parts of the Acts came into force ); as well as the introduction of EU firearms law into the canon of Irish legislation ; led the Irish Law Reform Commission to recommend that all the extant legislation be restated a legal process by which all the existing primary and secondary legislation would be read as one and a single document produced as the new Firearms Act ( and all prior Acts would be repealed ).

By 1990 the poorest parts of Malaysia were rural Sabah and Sarawak, which lagged significantly behind the rest of the country.

By 2009, a Taliban-led shadow government began to form in many parts of the country complete with their own version of mediation court.

By removing several parts, Miller made the object unusable as a mousetrap, but he pointed out that it was now a perfectly functional, if unstylish, tie clip.

By signing into law the Tariff of 1828, quite unpopular in parts of the south, he further antagonized the Jacksonians.

By the beginning of 1429, nearly all of northern France and some parts of the southwest were under foreign control.

By the end of the summer the rebels had regained the south-east of England and parts of the north.

By 1874, the Louvre Palace had achieved its present form of an almost rectangular structure with the Sully Wing to the east containing the square Cour Carrée and the oldest parts of the Louvre ; and two wings which wrap the Cour Napoléon, the Richelieu Wing to the north and the Denon Wing, which borders the Seine to the south.

By 1241, having conquered large parts of Russia, the Mongols continued the invasion of Europe with a massive three-pronged advance, following the fleeing Cumans, who had established an uncertain alliance with King Bela IV of Hungary.

By the mid to late-1970s some parts of the capitalist world, including South Korea, were creating new industries based around computers, electronics, and other advanced technology in contrast to North Korea's Stalinist economy of mining and steel production.

By late 1950, the Russians were exporting these Kremlin Kadetts to Belgium, stressing in their promotion that spare parts could easily be obtained from Germany.

By May 1945, this work had advanced enough to allow the beginning of production of desperately needed Opel parts.

By January 1946, the plant itself was ready to build trucks but many of the almost 12, 000 parts needed to make each one were lacking.

By contrast, the central and southern parts of Guangdong province experience an average January temperature of above, while the July mean is generally above.

By 1987 China possessed a diversified telecommunications system that linked all parts of the country by telephone, telegraph, radio, and television.