By distinguishing superlunary ( celestial ) and sublunary ( terrestrial ) existence, and reinforcing this with the four-element physics of Empedocles, Aristotle came to speak of the stars as perfect bodies, which moved in only a perfect way, viz. in a perfect circle.

By the time the “ conventional facility ” ( the shell for the laser ) was complete in 2001, more than 210, 000 cubic yards of soil had been excavated, more than 73, 000 cubic yards of concrete had been poured, 7, 600 tons of reinforcing steel rebar had been placed, and more than 5, 000 tons of structural steel had been erected.

By this time, the U. S. VI Corps had already landed at Anzio and were under heavy threat from the reinforcing Germans.

By reinforcing the foundations with wooden supporting poles, the mill was built to 34 metres above the level of the river, and above the surrounding city.

By the late 19th century, such schools were extending and reinforcing the tradition of women as educators and supervisors of American moral and ethical values.

By fighting this series of engagements in Ormoc Bay, the U. S. Navy was eventually able to prevent the Japanese from further resupplying and reinforcing their troops on Leyte, contributing significantly to the victory in the land battle.

By arranging help for a scholar, he forged or hardened links with the person served, while at the same time reinforcing his reciprocal ties with the final provider of the service.

By this standard, it is determined that where two stations operating on the same frequency are involved, objectionable interference from station A exists at any point within the service area of station B where station A's signal is of an intensity one-twentieth or more of the strength of station B's signal at that point.

By this time Henri's entire chest-back-lat-shoulder area is pumped-up to almost bursting point, and Claude takes time to do a bit more pectoral-front deltoid shaping work.

By 800 B.C. the Aegean was an area of common tongue and of common culture.

By using the palette to mask the top area of the display and taking care about when it changes mode it can shift the continuous graphics at the bottom of the display down in two pixel increments because the internal display counter is not incremented on blank scanlines during non-continuous graphics modes.

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.

By the late 1960s, the area of LAFTA had a population of 220 million and produced about $ 90 billion of goods and services annually.

By 667, the Afghan area was under invasion by the Arabs but in 683 Kabul revolted and completely routed the invading army which was led by the Governor of Seistan.

By the 18th century, the area from Sambas to Berau were tributaries to the Banjar Kingdom, but this eventually shrunk to the size of what is now South Kalimantan as a result of agreements with the Dutch.

By the late 1950s, the once-prosperous port area of downtown Manhattan was occupied by a number of dilapidated shipping piers, casualties of the rise of container shipping which drove sea traffic to Port Elizabeth, New Jersey.

By the 1970s the area was notorious for street robberies and drug dealing.

Boroughs proliferated in the suburban areas of the larger cities: By the 1980s there were 19 boroughs and three cities in the area that is now the City of Auckland.

By 1080, a huge area had been lost to the Empire, and the Turks were within striking distance of Constantinople.

By area of extent, it was one of the largest empires ever in history.

By far the largest of the SSSIs is called Cheddar Complex and covers of the gorge, caves and the surrounding area.

By 2002, the cross had been rebuilt and the area around it was redesigned to protect and enhance its appearance.

By the time Allen reached his teens, the area, while still a difficult area in which to make a living, began to resemble a town, with wood-frame houses beginning to replace the rough cabins of the early settlers.

By 1769 the situation in the Grants had deteriorated to the point where surveyors and other figures of New York authority were being physically threatened and driven from the area.

By suppressing the inhibition of neurons by external factors, the targeted area of the brain may be reactivated and thereby recruited to compensate for lost function.

By 1916 Shepard started working for the Intelligence Department sketching the combat area within the view of his battery position.

By the first century BC Germanic languages had become prevalent, and the inhabitants were called Belgæ while the area was the coastal district of Gallia Belgica, the most northeastern province of the Roman Empire at its height.

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 the 3rd century, the Goths ruled a vast area north of the Black Sea from where they either through crossing the lower Danube or traveling by sea, raided the Balkan Peninsula and Anatolia as far as Cyprus.

By now Glasnevin was an area for families of distinction-in spite of a comment attributed to the Protestant Archbishop King of Dublin that " when any couple had a mind to be wicked, they would retire to Glasnevin ".

By now Harmony could see that most of the adults in the train were winded and resting, or else siphoned off from the games by the challenging lure of the great cliff towering above them.

By the same test predispositions destructive of human personality exercise their most sinister impact, with the result that men of good will are often trapped and nullified.

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 all means the most important distinction is that between those total-cost apportionments which superimpose a distribution of admittedly unallocable cost residues on estimates of incremental or marginal costs, and those other apportionments which recognize no difference between true cost allocation and mere total-cost distribution.

By fall, 443 survivors of this arduous journey were clustered about Fort Snelling, but most of them were sent on to Galena and St. Louis, with a few going as far as Vevay, Indiana, a notable Swiss center in the United States.

By relaxing the throat muscles and expanding the oral cavity well into the frontal sinuses, she could direct the vowel sounds into the most felicitous position for proper reproduction through her throat microphone.

By 1850, Luanda was one of the greatest and most developed Portuguese cities in the vast Portuguese Empire outside Mainland Portugal, full of trading companies, exporting ( together with Benguela ) palm and peanut oil, wax, copal, timber, ivory, cotton, coffee, and cocoa, among many other products.

By the end of the 14th century, most of Anatolia was controlled by various Anatolian beyliks.

By some estimates, this might account for most of the internal radiation damage, as the recoil nuclei are typically heavy metals which preferentially collect on the chromosomes.

The largest species are red alder ( A. rubra ) on the west coast of North America, and black alder ( A. glutinosa ), native to most of Europe and widely introduced elsewhere, both reaching over 30 m. By contrast, the widespread Alnus viridis ( green alder ) is rarely more than a 5 m tall shrub.

By a probably euphonic inversion the translator of Irenaeus and the other Latin authors have Abraxas, which is found in the magical papyri, and even, though most sparingly, on engraved stones.

By the middle of the 19th century, industrialisation swept away most of the city's medieval rules of production and commerce, although the entirely corrupt remains of the city's mediæval constitution was kept in place ( compare the famous remarks of Georg Forster in his Ansichten vom Niederrhein ) until 1801, when Aachen became the " chef-lieu du département de la Roer " in Napoléon's First French Empire.

By the early 1960s, most of East and Central Africa, where the majority of the Ismāʿīlī population on the continent resided including Tanganyika, Kenya, Uganda, Malagasy, Rwanda, Burundi and Zaire, had attained their political independence.

By the time Alexios ascended the throne, the Seljuqs had taken most of Asia Minor.

By seeking close alliances with powerful noble families, Alexios put an end to the tradition of imperial exclusivity and coopted most of the nobility into his extended family and, through it, his government.

By 1094, Yusuf had annexed most major taifas, with the exception of the one at Zaragoza.

By the mid-16th century, they were in common use in most of Europe.

By the 1890s, the company was the largest and most profitable industrial enterprise in the world.

By a public decree, this fine work was placed in one of the stanze of the Vatican hitherto reserved for the most precious works of antiquity.

By contrast, while defendants in most civil law systems can be compelled to give a statement, this statement is not subject to cross-examination by the prosecutor and not given under oath.

By this time most had expected him to have wasted away, or to have gone insane in his solitary confinement.

By the time Marlborough had closed down the Ramillies campaign he had denied the French most of the Spanish Netherlands west of the Meuse and north of the Sambre – it was an unsurpassed operational triumph for the English Duke.

By the mid 1960s, binary addressing had become the standard architecture in most computer designs, and main memory sizes were most commonly powers of two.

By making these data available to local public health officials in real time, most models of anthrax epidemics indicate that more than 80 % of an exposed population can receive antibiotic treatment before becoming symptomatic, and thus avoid the moderately high mortality of the disease.