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 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 God '', Waddell said, `` we don't want to upset the boy at this time of all times.

By means of charts showing wave-travel times and depths in the ocean at various locations, it is possible to estimate the rate of approach and probable time of arrival at Hawaii of a tsunami getting under way at any spot in the Pacific.

By rough estimate her Committee, headed by Henry Francis Du Pont, contains three times as many Republicans as Democrats.

By working very hard, one may be able to make this part 5 times faster, but this only reduces the time for the whole computation by a little.

By 1971, 12 percent of the total area of South Vietnam had been sprayed with defoliating chemicals, at an average concentration of 13 times the recommended USDA application rate for domestic use.

By 1971, 12 percent of the total area of South Vietnam had been sprayed with defoliating chemicals, at an average concentration of 13 times the recommended USDA application rate for domestic use.

* HBP = times Hit By a Pitch

By having two different temporal positive feedback loops or “ dual-time switches ” allows for ( a ) increased regulation: two switches that have independent changeable activation and deactivation times ; and ( b ) linked feedback loops on multiple timescales can filter noise.

By attempting to predict which branch ( or path ) a conditional instruction will take, the CPU can minimize the number of times that the entire pipeline must wait until a conditional instruction is completed.

By 1700, it had been reprinted 15 times in Italian, and was translated in Dutch, English, French, German, Russian and Spanish.

By comparison, the former colony of the United Province of Canada ( divided into the District of Canada East, and the District of Canada West ) and the western provinces were dozens of times larger and in some cases were expanded to take in territory formerly held in British Crown grants to companies such as the Hudson's Bay Company ; in particular the November 19, 1869 sale of Rupert's Land to the Government of Canada under the Rupert's Land Act 1868 was facilitated in part by Maritime taxpayers.

By way of contrast, when introduced in 1985, the Amiga had compared favorably against 286-based systems with EGA graphics and rudimentary sound capabilities that frequently cost 2 – 3 times as much.

By contrast, if the same historian had made the same claim five times in five different places ( and no other types of evidence were available ), the claim is much weaker because it originates from a single source.

By the late 1970s the good times were over for both downtown and local businesses and industries.

By the 1st century AD, cattle and horses were used in mills, driving machines similar to those powered by humans in earlier times.

By constructing a calibration curve of the ID of species ' pairs with known divergence times in the fossil record, the data could be used as a molecular clock to estimate the times of divergence of pairs with poorer or unknown fossil records.

By the early monarchy El and Yahweh had become unified and Asherah did not continue as a separate state cult, although she continued to be popular at a community level until Persian times.

By 1970, kickboxing was telecast in Japan on three different channels three times weekly.

By the end of his first season with Liverpool, Dalglish had played 62 times and scored 31 goals, including the winning goal in the 1978 European Cup Final final at Wembley against Bruges.

By the fifth to 4th centuries BC, the island had grown to an estimated population of over 120, 000 ( two to three times the estimated population in 2005 ), and based on the huge necropoli at the main city of Chios, the asty, it is thought the majority lived in that area.

By the time the final single " Wasting Time " was released the album had sold 7 million albums, Devil Without A Cause was certified 11 times platinum by the RIAA on April 17, 2003.

By 1970, the city had a total area of approximately, more than five times its size in 1940.

By the 11 th century these early religious times matured into diplomatic ties.

Keyboard macros have in more recent times come to life as a method of exploiting the economy of massively multiplayer online role-playing game ( MMORPG ) s. By tirelessly performing a boring, repetitive, but low risk action, a player running a macro can earn a large amount of the game's currency or resources.