Although rare, deposits of native chromium exist.

Although female roles were performed by castrati in some of the papal states, this was increasingly rare ; by 1680, they had supplanted " normal " male voices in lead roles, and retained their position as primo uomo for about a hundred years ; an Italian opera not featuring at least one renowned castrato in a lead part would be doomed to fail.

Although this is a relatively rare instance of a female Confucian voice, Ban Zhao almost entirely accepts the prevailing views concerning women's proper roles ; they should be silent, hard-working, and compliant.

Isidore of Miletus and Anthemius of Tralles originally planned on a main hall of the Hagia Sophia that measured 230 feet by 250 feet, making it the largest church in Constantinople, but the original dome was nearly 20 feet lower than it was constructed, “ Justinian suppressed these riots and took the opportunity of marking his victory by erecting in 532-7 the new Hagia Sophia, one of the largest, most lavish, and most expensive buildings of all time .” Although Isidore of Miletus and Anthemius of Tralles were not formally educated in architecture, they were scientists that could organize the logistics of drawing thousands of laborers and unprecedented loads of rare raw materials from around the Roman Empire to create the Hagia Sophia for Emperor Justinian I.

Although carbonaceous chondrites are thought to be rare, some are very large and the suspected " dinosaur-killer " may have been a carbonaceous chondrite.

Although lanthanum belongs to the element group called rare earth metals, it is not rare at all.

Although its FPU performance fit scientific users quite well, its limited integer performance and high cost dampened appeal for most users, and the R8000 was in the marketplace for only a year and remains fairly rare.

Although neon is a very common element in the universe and solar system ( it is fifth in cosmic abundance after hydrogen, helium, oxygen and carbon ), it is very rare on Earth.

Although neodymium is classed as a " rare earth ", it is no rarer than cobalt, nickel, and copper ore, and is widely distributed in the Earth's crust.

Although it belongs to the rare earth metals, neodymium is not rare at all.

Although rare now, in the past there were bowlers who used the off-break action who deliberately did not impart any considerable spin on the ball but relied on line and length to frustrate batsmen.

Although in practice such instances are rare, they do exist.

Although encountering the flaw was extremely rare in practice ( Byte magazine estimated that 1 in 9 billion floating point divides with random parameters would produce inaccurate results ),< ref > both the flaw and Intel's initial handling of the matter were heavily criticized.

Although classified as a rare earth element, samarium is the 40th most abundant element in the Earth's crust and is more common than such metals as tin.

Although in rare cases, a court may change the terms of the trust due to unexpected changes in circumstances that make the trust uneconomical or unwieldy to administer, under normal circumstances an irrevocable trust may not be changed by the trustee or the beneficiaries of the trust.

Although the acute porphyrias may cause episodes of confusion and psychiatric disturbance, dementia is a rare feature of these rare diseases.

Although plantain and banana allergy is not among the top five food allergies, it cannot be considered as a rare allergy, neither in children nor in adults.

Although the standards permit any type of environment, it is fairly rare to see low level languages like C used.

Although the great white is typically regarded as an apex predator in the wild, it is in rare cases preyed upon by the larger orca ( also known as the killer whale ).

Although corals first appeared in the Cambrian period, some, fossils are extremely rare until the Ordovician period, 100 million years later, when rugose and tabulate corals became widespread.

Although < sup > 4 </ sup > He continues to be produced by other mechanisms ( such as stellar fusion and alpha decay ) and trace amounts of < sup > 1 </ sup > H continue to be produced by spallation and certain types of radioactive decay ( proton emission and neutron emission ), most of the mass of these isotopes in the universe, and all but the insignificant traces of the < sup > 3 </ sup > He and deuterium in the universe produced by rare processes such as cluster decay, are thought to have been produced in the Big Bang.

Although the need for outside trained manpower exists in every newly developing nation, the readiness to receive such manpower, or to receive it from the United States will vary from country to country.

Although the Administration's program cut crop acreage to the lowest point since 1934, farmers, with the help of extra fertilizer and good weather, are getting such high yields per acre that many are being forced to buy new harvesting machines.

Although the particular form of conceptualization which popular imagination had made in response to the experience of spirit was undoubtedly defective, the raw experience itself which led to such excesses remains with us as vividly as ever.

The Turkish language and the Islamic religion were gradually introduced as a result of the Seljuk conquest, and this period marks the start of Anatolia's slow transition from predominantly Christian and Indo-European and Semitic-speaking, to predominantly Muslim and Turkish-speaking ( Although some ethnic groups such as Armenians, Greeks, Assyrians and Georgians retained Christianity and their native languages ).

Although constrained by land mass and topology, the amount of arable land, both regionally and globally, fluctuates due to human and climatic factors such as irrigation, deforestation, desertification, terracing, landfill, and urban sprawl.

Although England decisively won the Ashes 4 – 1, Bodyline caused such a furore in Australia that diplomats had to intervene to prevent serious harm to Anglo-Australian relations, and the MCC eventually changed the Laws of cricket to curtail the number of leg side fielders.

Although there is no reference to reincarnation in the Talmud or any prior writings, according to rabbis such as Rabbi Avraham Arieh Trugman, reincarnation is recognized as being part and parcel of Jewish tradition.

Although when burned, amber does give off a characteristic " pinewood " fragrance, modern products, such as perfume, do not normally use actual amber.

Although the terms adiabatic and isocaloric can often be interchanged, adiabatic processes may be considered a subset of isocaloric processes ; the remaining complement subset of isocaloric processes being processes where net heat transfer does not diverge regionally such as in an idealized case with mediums of infinite thermal conductivity or non-existent thermal capacity.

Although there have been attempts to show that the Ainu language and the Japanese language are related, modern scholars have rejected that the relationship goes beyond contact, such as the mutual borrowing of words between Japanese and Ainu.

Although originating in the mainland of Greece, use of the acropolis model quickly spread to Greek colonies such as the Dorian Lato on Crete during the Archaic Period.

Although the hardware is limited to four separate sound channels, software such as OctaMED uses software mixing to allow eight or more virtual channels, and it was possible for software to mix two hardware channels to achieve a single 14-bit resolution channel by playing with the volumes of the channels in such a way that one of the source channels contributes the most significant bits and the other the least.

Although the Turun Sanomat Building and Paimio Sanatorium are comparatively pure modernist works, they too carried the seeds of his questioning of such an orthodox modernist approach and a move to a more daring, synthetic attitude.

Although there are many other acropoleis in Greece, the significance of the Acropolis of Athens is such that it is commonly known as " The Acropolis " without qualification.

Although Afrikaans adopted words from languages such as Malay, Portuguese, the Bantu languages, and the Khoisan languages, an estimated 90 to 95 percent of Afrikaans vocabulary is ultimately of Dutch origin.

Although the facilities at the range are managed by the 99th Air Base Wing at Nellis Air Force Base, the Groom facility appears to be run as an adjunct of the Air Materiel Command Air Force Flight Test Center ( AFFTC ) at Edwards Air Force Base in the Mojave Desert, around southwest of Groom, and as such the base is known as Air Force Flight Test Center ( Detachment 3 ).

Although such a conversion can be prone to loss, most modern audio systems use this approach as the techniques of digital signal processing are much more powerful and efficient than analog domain signal processing.

Although there are few examples of such systems competitive with traditional analysis techniques, potential advantages include size / portability, speed, and cost.

Although not called as such, machines performing the role recognizable as artillery have been employed in warfare since antiquity.

Although Carolla often supports social viewpoints traditionally dominated by liberal politicians, such as his support for abortion and the legalization of marijuana, his socio-political views tend to be largely conservative or libertarian.

Although observations of some aerodynamic effects such as wind resistance ( e. g. drag ) were recorded by Aristotle, Leonardo da Vinci and Galileo Galilei, very little effort was made to develop a rigorous quantitative theory of air flow prior to the 17th century.

Although most aspirated obstruents in the world's language are stops and affricates, aspirated fricatives such as, or have also been documented in a few Tibeto-Burman languages, in some Oto-Manguean languages and in the Siouan language Ofo.

Although both polysaccharide classes share the same galactose-based backbone, agaropectin is heavily modified with acidic side-groups, such as sulfate and pyruvate.

Although oxidation reactions are crucial for life, they can also be damaging ; plants and animals maintain complex systems of multiple types of antioxidants, such as glutathione, vitamin C, and vitamin E as well as enzymes such as catalase, superoxide dismutase and various peroxidases.