Having hedged its bets in this way, PHS apparently decided it would be possible to make some sort of determination after all: `` At present radiation levels, and even at somewhat higher levels, the additional risk is slight and very few people will be affected ''.

At the end of its letter was the information that applicants for this position `` must also be prepared to teach costume design and advertising art ''.

At the present time we do not know by what biochemical mechanism TSH acts on the thyroid, but for bio-assay of the hormone there are a number of properties by which its activity may be estimated, including release of iodine from the thyroid, increase in thyroid weight, increase in mean height of the follicular cells and increase in the thyroidal uptake of Af.

At Yalta the West still believed that Eastern Europe could be kept in its orbit, in spite of the onrushing Soviet armies.

At about the time the Marsden enterprise was getting under way, the Vail Light and Lumber Company started construction of a chair stock factory on the site of the present Bennington Co-operative Creamery, intending to use its surplus power for generating electricity.

At its best the abstract expressionists achieve a simple rococo decorative surface.

At its most ecstatic moments, husband and wife are elevated far above worldly cares.

At the same time, there is a good deal of self-congratulation at attending a good college -- they are even inclined to exaggerate its not inconsiderable virtues -- and they express pleasure at the cozy in-group feeling that the college generates.

At last count, sixteen former Rhodes Scholars ( see box on page 13 ) had been appointed to the Administration, second in number only to its Harvard graduates.

At the State Department, hard-bitten Russian experts complained that the Capitol was out of its wits.

At each angle of its pitch a big skylight had been fitted into the roof and all these skylights were fitted with systems of multiple screens and shades.

At first the Belgian royal family administered the Congo as its own private property.

At war's end leadership in Western Europe passed from Britain because the Labour Government devoted its attention to the creation of a welfare state.

At the feeding station, the raffish group of cowbirds again bobbed and gobbled over the ground, but now, gorgeous among them, was a beautiful red cardinal, radiant in its feathered vestments.

At its 1864 convention, the Republican Party selected Andrew Johnson, a War Democrat from the Southern state of Tennessee, as his running mate.

" At its worst, Scheler says, " love for the small, the poor, the weak, and the oppressed is really disguised hatred, repressed envy, an impulse to detract, etc., directed against the opposite phenomena: wealth, strength, power, largesse.

At the start of a new industrial age in the 18th century, it was believed that " people are the riches of the nation ", and there was a general faith in an economy that paid its workers low wages because high wages meant workers would work less.

At the same time, Angola has promoted the revival of the Community of Portuguese-Speaking Countries ( CPLP ) as a forum for cultural exchange and expanding ties with Portugal ( its former ruler ) and Brazil ( which shares many cultural affinities with Angola ) in particular.

At this level we do not need to mention how the machine manages its tape or head.

At the time, the periodic table had been restructured by Seaborg to its present layout, containing the actinide row below the lanthanide one.

Some sources state that At < sub > 2 </ sub > does not exist, or at least has never been observed, while other sources assert or imply its existence.

At the peak of its efficiency in the early 16th century, the Venetian Arsenal employed some 16, 000 people who apparently were able to produce nearly one ship each day, and could fit out, arm, and provision a newly-built galley with standardized parts on an assembly-line basis not seen again until the Industrial Revolution.

At the end of this period, not longer than one year, the soul then takes its place in the World to Come.

Allotropes of iron, ( alpha iron and gamma iron ) showing the differences in atomic arrangement. At a certain temperature, ( usually between and ), the base metal of steel ( iron ) undergoes a change in the arrangement of the atoms in its crystal matrix, called allotropy.

At its peak, the Apollo program employed 400, 000 people and required the support of over 20, 000 industrial firms and universities.

At the same time, every device that can be employed to reduce the number of variables is of the greatest value, and it is one of the attractive features of dynamic programming that room is left for ingenuity in using the special features of the problem to this end.

At this time, the apparent asymmetry of matter and antimatter in the visible universe is one of the greatest unsolved problems in physics.

At the party's first electoral contest, Jenkins narrowly failed to win a by-election at Warrington in July 1981, describing it as his " first defeat, but by far ( his ) greatest victory ".

At the same time, Athens's greatest runner, Pheidippides ( or Philippides in some accounts ) had been sent to Sparta to request that the Spartan army march to the aid of Athens.

A high point for the group was their 1963 live album At Carnegie Hall, described by critic Richard Palmer as " arguably Dave Brubeck's greatest concert ".

At the time, the final episode of The Fugitive held the record for the greatest number of American homes with television sets to watch a series finale, at 72 % in August 1967.

At their greatest height they reach an elevation of about, the highest point in southern Finland.

At its greatest extent, the empire stretched to the north along the natural boundaries of the Himalayas, and to the east stretching into what is now Assam.

At its greatest extent, Jamaica is, and its width varies between.

At present, the greatest threat to their survival is predation by invasive mammalian predators.

At its greatest extent, the Kingdom of Lydia covered all of western Anatolia.

At its greatest extent, the empire stretched to the north along the natural boundaries of the Himalayas, and to the east stretching into what is now Assam province near the border with modern Myanmar ( Burma ).

At Rome, Marcellus found the Church in the greatest confusion.

At the 2009 G-20 London summit, U. S. President Barack Obama called South Korea " one of America's closest allies and greatest friends.

) At its greatest the kingdom extended at least from just south of the Humber, to the River Mersey and to the Forth ( roughly, Sheffield to Runcorn to Edinburgh ) — and there is some evidence that it may have been much greater ( see map ).

At Live Aid, held at Wembley on 13 July 1985, in front of the biggest-ever TV audience of 1. 9 billion, Queen performed some of their greatest hits, during which the sold-out stadium audience of 72, 000 people clapped, sang, and swayed in unison.

At his death, the Empire stretched from Southern Italy to the Caucasus and from the Danube to the borders of Palestine, its greatest territorial extent since the Muslim conquests, four centuries earlier.

At the start of the second millennium, he took on his greatest adversary, Samuel of Bulgaria.

At its greatest extent, it covered more than five million square miles ( 13, 000, 000 km < sup > 2 </ sup >), making it one of the largest empires the world had yet seen, and the seventh largest contiguous empire ever to exist.

At times Samarkand has been one of the greatest cities of Central Asia.

At its greatest extent, the Hopewell Exchange System connected cultures and societies to the peoples on the Canadian shores of Lake Ontario.

At the time of its greatest activity, around 1714, it was an international association of 42 members from Carniola and the counties of central Austria assembled under the patronage of the bishop Franz Karl von Kaunitz.

At its greatest extent, in the 18th century, the Papal States included most of Central Italy — Latium, Umbria, Marche and the Legations of Ravenna, Ferrara and Bologna extending north into the Romagna.

At the time of his retirement, many regarded Sampras as the greatest player of all time.