For example, the creation of argon fluorohydride ( HArF ), a marginally stable compound of argon with fluorine and hydrogen, was reported by researchers at the University of Helsinki in 2000.

In 1806, the French chemists Louis-Nicolas Vauquelin and Pierre Jean Robiquet isolated a compound in asparagus that was subsequently named asparagine, the first amino acid to be discovered.

Known to the Iranians by the Pahlavi compound word kah-ruba ( from kah “ straw ” plus rubay “ attract, snatch ,” referring to its electrical properties ), which entered Arabic as kahraba ' or kahraba, it too was called amber in Europe ( Old French and Middle English ambre ).

After this initial chemotherapeutic compound proved effective, others pursued similar lines of inquiry, but it was not until in 1928 that Alexander Fleming observed antibiosis against bacteria by a fungus of the genus Penicillium.

Fleming postulated the effect was mediated by an antibacterial compound named penicillin, and that its antibacterial properties could be exploited for chemotherapy.

He was also the first to establish that sulfur was an element ( 1777 ) rather than a compound.

The 2, 4, 5-T used to produce Agent Orange was later discovered to be contaminated with 2, 3, 7, 8-tetrachlorodibenzodioxin ( TCDD ), an extremely toxic dioxin compound.

According to Ferdinand Bohlmann, the first naturally occurring acetylenic compound, dehydromatricaria ester, was isolated from an Artemisia species in 1826.

The compound harpoon was the most prevalent weapon of the Aleut people.

The Throwing lance usually consisted of three parts: a wooden shaft, a bone ring or belt, and the compound head that was made with a barbed bonehead and a stone tip.

The length of the compound head was equivalent to the distance between the planes of a man ’ s chest to his back.

The organobromine nature of the compound was not discovered until 1909 ( see Paul Friedländer ).

The word may be a compound containing the Old English adjective brytten ( from the verb breotan meaning ' to break ' or ' to disperse '), an element also found in the terms bryten rice (' kingdom '), bryten-grund (' the wide expanse of the earth ') and bryten cyning (' king whose authority was widely extended ').

The most common compound of chlorine, sodium chloride, has been known since ancient times ; however, around 1630, chlorine gas was obtained by the Belgian chemist and physician Jan Baptist van Helmont.

The metal was named after the Latin word for calamine, since the metal was found in this zinc compound.

Formerly the name " carbohydrate " was used in chemistry for any compound with the formula C < sub > m </ sub > ( H < sub > 2 </ sub > O ) < sub > n </ sub >.

The first modern chemotherapeutic agent was arsphenamine, an arsenic compound discovered in 1909 and used to treat syphilis.

The rapid adoption of the compound crank can be traced in the works of the Anonymous of the Hussite Wars, an unknown German engineer writing on the state of the military technology of his day: first, the connecting-rod, applied to cranks, reappeared, second, double compound cranks also began to be equipped with connecting-rods and third, the flywheel was employed for these cranks to get them over the ' dead-spot '.

The ratio between A and B in the vapor will be different from the ratio in the liquid: the ratio in the liquid will be determined by how the original mixture was prepared, while the ratio in the vapor will be enriched in the more volatile compound, A ( due to Raoult's Law, see above ).

In The Song the man who served him as his closest adviser was his vassal and kinsman Álvar Fáñez " Minaya " ( meaning " My brother ", a compound word of Spanish possessive Mi ( My ) and Anaia, the basque word for brother ), although the historical Álvar Fáñez remained in Castile with Alfonso VI.

Thus the foundation was laid of the doctrine of compound radicals, a doctrine which had a profound influence on the development of chemistry.

Soddy wrote that financial debts grew exponentially at compound interest but the real economy was based on exhaustible stocks of fossil fuels.

* Main compound, Horyu-ji, Nara Prefecture, is built.

This pharaoh also built at least three shrines within the temple compound, where worship is associated with those deities to whom they were dedicated.

Arriving in 1803, they built a five-square-mile compound on the Flint River.

Another would make it a compound word honoring Thomas Lowe, engineer of the first train through the town ; and Thomas Gootee, owner of the land where the town was built.

The compound, which originally comprised a sanctuary and surrounding buildings, was built by the Spanish Empire in the 18th century for the education of local Native Americans after their conversion to Christianity.

It is a compound of the Brialmontgordel or the National Redoubt, a series of forts built around the city of Antwerp as a defence against foreign armies.

Iraqi forces had built a fortified wall along the western side of the compound, allowing concealed movement between the front and rear of the museum.

The large fortress-like compound of the Abd al-Hadi Palace built in the 19th century is located in Qaryun.

He decided to establish very new town on the area of Trgovište in much better living condition between rivers Raška and Jošanica, where at first he built a mosque, a public bath, a marketplace, a hostel, and a compound.

Commencing work in 1889, he built a long craft that weighed 3. 5 tons, with a wingspan that was powered by two compound steam engines driving two propellers.

* retronym: a compound or modified noun that replaces an original simple noun, for example " analog watch " now means what " watch " used to mean before the invention of the digital watch ; and motorcycles became " solo motorcycles " when others were built with sidecars

He was buried in a newly built mausoleum in his compound at Nnewi.

The largest compound Mallets were ten 2-10-10-2s built for the Virginian by Alco in 1918 ; in pairs they pushed coal trains headed by a 2-8-8-2.

Xinhuamen, the " Gate of New China " built by Yuan Shikai, today the formal entrance to the Zhongnanhai compound.

Zhongnanhai served as a government centre again since the early days of the People's Republic of China, founded in 1949, which built many of the structures in the compound.

The future presidential compound of the PA is being built on the street.

They purchased and built a compound — which they referred to as the " Earth ship "— using tires and lumber ; Applewhite hoped to establish a monastery.

In 1854, a second smaller synagogue was built within the compound.

The four steam engines were built in Leicester by Gimson and Company and today are rare examples of Woolf compound rotative beam engines.

The walls enclosing the compound of St Andrew's church were built by a Parsi, Manockjee Sorabjee Ashburner in 1862.

First compound steam turbine, built by Parsons in 1887

It would be built to the south of the current terminal complex with new access routes from the Seventh Ring Road to the south of the airport compound.

Beyond the compound, the greater Dhahran area is home to the King Fahd University of Petroleum and Minerals, a national technical institution built just outside the compound's original perimeter fence, and the Aramco Training Center ( ATC ), which includes the campus of the selective College Preparatory Center for promising Saudi secondary students preparing for study abroad.

A new double hangar was built ( still in use today ), as well as a Works and Stores Building ( i. e., Supply ), guard house, salvage store, recreation building, hospital, fire station and fire protective system, coal compound and general purpose building.