The second longest-lived isotope of astatine, astatine-211, is the only one currently having any commercial application, being employed in medicine to diagnose and treat some diseases via its emission of alpha particles ( helium-4 nuclei ).

In 1956, 24 % of the cadmium used within the United States was used for the second application, which was for red, orange and yellow pigments based on sulfides and selenides of cadmium.

Most identities in chemical thermodynamics arise from application of the first and second laws of thermodynamics, particularly the law of conservation of energy, to these state functions.

The first and most necessary part of philosophy concerns the application of doctrine, for example, that people should not lie ; the second concerns reasons, e. g. why people should not lie ; while the third, lastly, examines and establishes the reasons.

The second is to promote, as a deliberate act of Government policy, creativity and the dissemination and application of its results and to encourage fair trading which would contribute to economic and social development.

In both cases, application of Newton's second law would not work for the rotating observer without invoking centrifugal and Coriolis forces to account for their observations ( tension in the case of the spheres ; parabolic water surface in the case of the rotating bucket ).

Depending on the clock frequency, the number of memory wait states, as well as on the characteristics of the particular application program, the average performance for the Intel 8088 ranged from approximately 0. 33 – 1 million instructions per second.

Once the spacecraft arrives, a second application of thrust will re-circularize the orbit at the new location.

The first part has control information that is needed to decrypt the application / octet-stream second part.

The second application for UV microscopes is contrast enhancement where the response of individual samples is enhanced, relative to their surrounding, due to the interaction of light with the molecules within the sample itself.

The second major application of nitrates as oxidizing agents, most notably in explosives where the rapid oxidation of carbon compounds liberates large volumes of gases ( see Gunpowder for an example ).

The application date submitted by Caleb Bradham for the second trademark is Saturday, April 15, 1905 with the successful registration date of April 15, 1906, over three years after the original date.

For example, loss of a packet in audio application may result in loss of a fraction of a second of audio data, which can be made unnoticeable with suitable error concealment algorithms.

The major commercial application of samarium is in samarium-cobalt magnets which have permanent magnetization second only to neodymium magnets ; however, samarium compounds can withstand significantly higher temperatures, above 700 ° C, without losing their magnetic properties.

R. Hilsch and R. W. Pohl in 1938 demonstrated a solid-state amplifier using a structure resembling the control grid of a vacuum tube ; although the device displayed power gain, it had a cut-off frequency of one cycle per second, too low for any practical applications, but an effective application of the available theory.

An emergency or main air supply line pressurizes the trailer's air tank and disengages the emergency brake, and a second service line controls the brake application.

At the end of 1939, when Lazarsfeld submitted a second application for funding, the musical section of the study was duly left out.

The " goodput " is the amount of useful information that is delivered per second to the application layer protocol.

Boole's first published paper was Researches in the theory of analytical transformations, with a special application to the reduction of the general equation of the second order, printed in the Cambridge Mathematical Journal in February 1840 ( Volume 2, no.

* Breakthroughs in high-performance computing, including the development of novel concepts for massively parallel computing and the design and application of computers that can carry out hundreds of trillions of operations per second.

On June 22, 2006, researchers at LLNL announced that they had devised a scientific software application that sustained 207. 3 trillion operations per second.

A second application of the Dirac operator will now reproduce the Pauli term exactly as before, because the spatial Dirac matrices multiplied by i, have the same squaring and commutation properties as the Pauli matrices.

The application of the idea to the area of second language acquisition ( SLA ) is represented mainly by the McGill linguist Lydia White.

The " squealing " ( which is actually a sound that changes in pitch 100 times every second ) noises made by some modems with speaker output immediately after a connection is established are in fact the sounds of modems at both ends engaging in a handshaking procedure ; once the procedure is completed, the speaker might be silenced, depending on the settings of operating system or the application controlling the modem.

In the year following his marriage Mendelssohn won the prize offered by the Berlin Academy for an essay on the application of mathematical proofs to metaphysics, On Evidence in the Metaphysical Sciences ; among the competitors were Thomas Abbt and Immanuel Kant ( who came second ).

The first part of the road was steep, but it leveled off after the second bend and curled gradually into the valley.

When it was followed by a second, whining even closer, Cobb swerved sharply aside into a depression.

There had been a good second or two during which my muffler had been blowing out, and now I was certain I'd seen her somewhere before.

He was aware of her as a frightfully good-looking American WAC, a second lieutenant assigned to do the paper work, ( regardless of how important she might have thought she was ) in the Command offices, but that was all.

A phony blonde hanging onto a bygone youth and beauty, but irreparably stringy in the neck, she was already working on her second gin and tonic, though it was not yet ten A.M.

Their skin was covered with a thin coating of sweat and dirt which had almost the consistency of a second skin.

The second specific comment was the report of Eisenhower's Commission on National Goals, titled Goals For Americans.

He gave us a simile to explain his admission that even at the worst period of his second illness it never occurred to him there was any renewed question about his running: as in the Battle of the Bulge, he had no fears about the outcome until he read the American newspapers.

Its second press release was on January 15, 1958, and it recommended that the secret papers be destroyed.

His second wife, Lillian, was the mother of John H. Mercer.

One shawl was so tremendous that she could not wear it, so she draped it over the banister on the second floor, and it hung over the stairway.

The second half of the sixteenth century in England was the setting for a violent and long controversy over the moral quality of renaissance literature, especially the drama.

Bridges, a son by his second wife, was christened at Pebworth in 1607, but Thomas the younger was living at Packwood two years later and sold Broad Marston manor in 1622.

The second name was ( Edward ) Kempe, matriculated from Queens' College at Easter, 1625.

Andre Malraux's The Walnut Trees Of Altenburg was written in the early years of the second World War, during a period of enforced leisure when he was taken prisoner by the Germans after the fall of France.

The House was his habitat and there he flourished, first as a young representative, then as a forceful committee chairman, and finally in the post for which he seemed intended from birth, Speaker of the House, and second most powerful man in Washington.

When he came to Baltimore, he was leaving a team which was supposed to win the National League pennant, and he was joining what seemed to be a second division American League club.

But during the second half of the century its fortunes reached a low point and when in 1897 Cyrus H. K. Curtis purchased it -- `` paper, type, and all '' -- for $1,000 it was a 16-page weekly filled with unsigned fiction and initialed miscellany, and with only some 2,000 subscribers.