At the height of the first snowstorm we had, it was impossible for me to get medical attention needed during an emergency.

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 the height of the French Revolution, he was accused by Jean-Paul Marat of selling adulterated tobacco, and of other crimes and was eventually guillotined a year after Marat's death.

* At the height of his career, Carnegie was the second-richest person in the world, behind only John D. Rockefeller of Standard Oil.

At the height of their popularity the band consisted of singer Jimmy Somerville backed by Steve Bronski and Larry Steinbachek, both of whom played keyboards and percussion.

At the height of the rainy season, the front may reach as far as Kanem Prefecture.

At this point, the water pushes northward up the Tonle Sab and empties into the Tonle Sap, thereby increasing the size of the lake from about 2, 590 square kilometers to about 24, 605 square kilometers at the height of the flooding.

At the height of the boom, it was possible for a promising dot-com to make an initial public offering ( IPO ) of its stock and raise a substantial amount of money even though it had never made a profit — or, in some cases, earned any revenue whatsoever.

At its pre-war height, the movement often pursued pseudoscientific notions of racial supremacy and purity.

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

At the party's height it boasted 3, 000 cumainn, an average of 75 per constituency.

" At the height of his fame on Diff ' rent Strokes, he earned as much as US $ 100, 000 per episode.

At their height, the Assyrians dominated all of Syria-Palestine, Egypt, and Babylonia.

At its height, the British Empire covered a quarter of the Earth's land area and comprised a quarter of its population.

At the height of its popularity, an entire year's worth of shows would be taped in two separate week-long sessions, then individual shows would be assembled from edited sections.

At the height of the inflation, one US dollar was worth 4 trillion German marks.

At the height of the Persian tradition of illustrated book production ( 1300 to 1600 C. E.

At the height of his popularity as a director, Whale directed The Road Back, a sequel to All Quiet on the Western Front, in 1937.

At the height of her career, she was known as " The Queen of Rock and Roll " as well as " The Queen of Psychedelic Soul ", and became known as Pearl amongst her friends.

At first the kingdom was little more than a loose collection of towns and cities captured during the crusade, but at its height in the mid-12th century the kingdom roughly encompassed the territory of modern-day Israel, Lebanon and Palestine.

At its height it encompassed an area covering not only much of Chad, but also parts of modern southern Libya, eastern Niger, northeastern Nigeria and northern Cameroon.

At the height of the strikes, nearly 30, 000, 000 working days were lost in Britain during 1979, but that had fallen dramatically to some 5, 000, 000 during 1981 as a result of the Thatcher government's union reform policies.

At its highest point, it reaches a height of 1, 834 feet ( 559 m ).

At its height Cahokia is believed to have had a population of between 40, 000 and 80, 000 people, making it amongst the largest pre-Columbian cities of the Americas.

At the height of Viking expansion into Dublin and Jorvik 875-954 AD the longship reached a peak of development such as the Gokstad ship 890.

At the same instant, he grabbed the loose, writhing hose with his other hand and bit down on the hard rubber mouthpiece.

At best, the technique is only effective at extremely close ranges of five to ten feet, since the recoil would make it hard to keep both weapons straight, and using the sights on the guns is next to impossible.

Washington was hard to miss: At exactly six feet, he towered over most of his contemporaries.

At the prompting of team leader Cyclops, Drake learns to cover his body with hardened-but-flexible ice and adopts the hard crystalline appearance familiar to modern readers.

At those times when John was preparing for campaigns in Normandy, for example, huge quantities of silver had to be withdrawn from the economy and stored for months, which unintentionally resulted in periods during which silver coins were simply hard to come by, commercial credit difficult to acquire and deflationary pressure placed on the economy.

At the same time, however, Nazarbayev fought hard to secure republic control of Kazakhstan's enormous mineral wealth and industrial potential.

At the age of 9, Konstantin caught scarlet fever and became hard of hearing.

At first, disk space on a server was hard to come by, so networks of mirror sites like Info-Mac, containing large shareware libraries were developed, accessible via the web or ftp.

At the other, extreme end of the spectrum is fantastic-tech equipment that is hard for the typical person to comprehend ; this includes artifacts left over from extinct cultures as well as the product of current, highly advanced cultures.

At various times in their film relationship, " he more than once swore off Sellers ," as too hard to direct.

At three hundred pounds, Whiteman was huge both physically and culturally —" a man flabby, virile, quick, coarse, untidy and sleek, with a hard core of shrewdness in an envelope of sentimentalism ," according to a 1926 New Yorker profile.

At least one company makes a hard wax that is intended for use on dry slopes.

; NP-hard: At least as hard as the hardest problems in NP.

; NP-easy: At most as hard as NP, but not necessarily in NP, since they may not be decision problems.

At his funeral the coffin was carried to the grave by former students who had received the bursaries for which he had worked so hard, it was they who subscribed for the monument over his grave, severely simple as he would have desired.

At times these requirements were hard to meet, especially during years of drought, or when the much anticipated shipments from the port of San Blas failed to arrive.

At an interview in October, 2000, Brin said, " I know the hard times that my parents went through there, and am very thankful that I was brought to the States.

At the Collège des Godrans, he gained a reputation for hard work: fellow students nicknamed him Bos suetus aratro, an " ox broken in to the plough ".

At a time when law and order was breaking down in France and the government was having a hard time raising money for the defence of the realm, his account books during his captivity show that he was purchasing horses, pets, and clothes while maintaining an astrologer and a court band.

At the same time, Wayne's blossoming relationship with hard rock vocalist and bassist Cassandra ( Tia Carrere ), the frontwoman of a band named Crucial Taunt, leads to a rift forming between Wayne and Garth.

At the farm, the three former milkmaids perform very hard physical labour.

At intervals the timpani create a sound reminiscent of a ship's engines by means of hard sticks, or, traditionally, coins.

At the first meeting of the new Standing Committee of the Politburo, after the Tiananmen Square massacre of 1989, Jiang criticized the previous period as " hard on the economy, soft on politics " and advocated increasing political thought work.

At Birkbeck, he worked hard and obtained a First Class degree.

At the time, California and federal land surveyors declared the sand dunes uninhabitable, only the hard rock ground of the " Marshall Cove " held potential farming and residential development.