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 the parts of the genome that are not under natural selection and which therefore accumulate mutations at a fairly steady rate, it is possible to reconstruct a genetic tree incorporating the entire human species since the last shared ancestor.

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

* Stephen Kuusisto wrote about his experiences as a visually impaired person in Planet of the Blind, and his upcoming memoir, Eavesdropping: A Life By Ear.

By 2012, U. S. Route 66 travellers were spending $ 38 million / year visiting historic places and museums in communities on the former highway, with $ 94 million annually invested in heritage preservation ; The Motels of Route 66 was announced as an upcoming documentary film.

By restructuring the social class into a mass of people who are theoretically all equal, the North Korean government claimed it would be able to attain self-reliance or Juche in the upcoming years.

By December of that year Loki had gained the rights to produce a port of Activision's then upcoming strategy game Civilization: Call to Power for Linux.

By 1900 the threat of O ’ Brien swamping and outmanoeuvring them at the upcoming elections forced the two divided parties, the INL and the INF, to re-unite.

By 1870 the Centennial Exposition was upcoming, and Philadelphia was rapidly changing.

By July, development was behind schedule and Jarvis's superior began to pressure him to finish the game in time for an upcoming trade show, the AMOA, in September.

By 1994 the press buzz surrounding the upcoming release of Windows 95 started to grow to a crescendo, often with questions about Apple's response to the challenge it presented.

By entering extended torpor, sometimes referred to as hibernation, this would reduce the thermoregulatory stress in females, whereas males remain more active in preparation for the upcoming mating season.

By combining a short promotion for an upcoming show the station can fulfill its identification requirements while building its audience.

By the end of May 2006, the club's dramatic situation started to emerge, with players openly declaring they are unpaid for months, plus a shock decision by UEFA to ban the club from participating in the upcoming UEFA Cup brought the club one step from complete ruin, with the organized fanbase launching an all-out war on Goumenos in the June 2006, going as far as to occupy the club's offices in Toumba stadium for a handful of days.

By April, 2003, speculation began circulating that Marin would soon return to California and become a GOP candidate to challenge US Senator Barbara Boxer in the upcoming 2004 electoral cycle.

By tuning into an EPG channel, a menu is displayed that lists current and upcoming television programs on all available channels.

By the time the first CD-I products where launched in 1992, using the MPEG-1 standard for video, development of MPEG-2 technology was well under way for the upcoming DVD technology, which used a red laser for encoding more than eleven times as much information on a disk of the same size as a CD, which used a yellow laser.

By 1999, he had created the series Newtown Heroes, which was published in Shōnen Sunday Super, a seasonal publication featuring upcoming manga artists and one-shots from the main Sunday book.

Busey played the role of " Backfire " in Patrick Durham's movie Cross which was released directly to DVD and download in May 2011, and stars in the upcoming independent film Don't Pass Me By.

By the end of spring, Ghoultown completed work on songs for two upcoming Jon Keeyes films, Slice of Life and Hallow's End, the later in which they will also be making a cameo appearance.

He plays the Algebra teacher in the upcoming film " Struck By Lightning " with Chris Colfer, Christina Hendricks, and Alison Janney.