At least 20 other Americans were reported to have been arrested in a mass political roundup.

At room temperature the magnitude of this fractionation is roughly 0. 25 ‰ ( 0. 025 %) per atomic mass unit ( AMU ).

At the direction of Lenin, the Cheka performed mass arrests, imprisonments, and executions of " enemies of the people ".

At this time too, television was developing into a mass medium that could compete with the cinema.

At least 32 nuclear isomers have also been characterized, ranging in atomic mass from 170 to 200.

At launch, the orbiter and probe together had a mass of 2, 564 kilograms ( 5, 653 pounds ) and stood seven metres tall.

At least 34 isotopes of hafnium have been observed, ranging in mass number from 153 to 186.

At these points, the combined attraction from the two masses is equivalent to what would be exerted by a single mass at the barycenter of the system, sufficient to cause a small body to orbit with the same period.

At this pressure the density of water is increased by 4. 96 %, making ninety-five litres of water under the pressure of the Challenger Deep contain the same mass as a hundred litres at the surface.

At a mass protest meeting held in Johannesburg on 11 September that year, Gandhi adopted his still evolving methodology of Satyagraha ( devotion to the truth ), or non-violent protest, for the first time.

At the same time, the clouds are known to be disrupted by some process — most likely the effects of massive stars — before a significant fraction of their mass has become stars.

At higher Reynolds number, the analogy between mass and heat transfer and momentum transfer becomes less useful due to the nonlinearity of the Navier-Stokes equation ( or more fundamentally, the general momentum conservation equation ), but the analogy between heat and mass transfer remains good.

At the critical mass point, the value obtained from the good or service is greater than or equal to the price paid for the good or service.

At a specific velocity called escape velocity, again dependent on the firing height and mass of the planet, an open orbit such as ( E ) results — a parabolic trajectory.

At the turn of the 20th century, films emerged as the new cultural agents, depicting events and showing foreign images to mass audiences in European and American cities.

At present, however, many view this process as being benevolent-the internet is both a mass and a personal medium, flexible and scalable.

At 18: 59 on 13th July, 1954, the reactor reached critical mass and sustained Sweden's first nuclear reaction.

At the time of mass transatlantic Irish and Scottish immigration, which popularized Halloween in North America, Halloween in Ireland and Scotland had a strong tradition of guising and pranks.

One passage of the book reportedly states: " At the international level, terrorism will rule ; and in this scenario use of mass destruction weapons cannot be ruled out.

At this point, major U. S. cities begin mass evacuations as well.

At a constant temperature, throughput is proportional to the number of molecules being pumped per unit time, and therefore to the mass flow rate of the pump.

At present, Vega has more than twice the mass of the Sun and its full luminosity is about 40 times the Sun's value.

At Crow Creek, South Dakota, as noted, archaeologists found a mass grave of ' more than 500 men, women, and children who had been slaughtered, scalped, and mutilated during an attack on their village a century and a half before Columbus's arrival ( ca.

At the international level, the Communist International organized various international front organizations ( linking national mass organizations with each other ), such as the Young Communist International, Profintern, Krestintern, International Red Aid, Sportintern, etc ..

At a recent meeting of the Women's Association of the Trumbull Ave. United Presbyterian Church, considerable use was made of material from The Detroit News on the King James version of the New Testament versus the New English Bible.

At their meeting he told her not to bother about `` where '' -- he would attend to that.

At the recent horse show convention in New York it was stated that this Intermediate Judging Class is meeting with great success and will be a great help to future judges in the horse world.

At the meeting of the Board of Trustees, on March 3, 1910, Miss Upton presented the annual report of the President.

At the same time the President took pains not to rule out an eventual meeting with the Soviet leader.

At the same time, there was increased reason for a quick meeting lest the Soviet leader, as a result of those episodes, come to a dangerously erroneous conclusion about the West's ability and determination to resist Communist pressure.

At the meeting, attended by Freddy, Richert, Herberet and the A-Z executive staff, with Mr. Willis presiding, William and Hamrick did indeed run the gantlet.

At a meeting of the U. S. House Committee on Science and Astronautics one day after Gagarin's flight, many congressmen pledged their support for a crash program aimed at ensuring that America would catch up.

" At noon, Johnson conducted his first cabinet meeting in the Treasury Secretary's office, asked all members to remain in their positions, and directed the appropriate members to initiate Lincoln's funeral arrangements.

At a meeting of the Party in Munich in September 1919, the main speaker was Gottfried Feder.

At that meeting, Eusebius of Nicomedia and the other supporters of Arius deposed Athanasius.

At that meeting, Athanasius was accused of threatening to interfere with the supply of grains from Egypt, and, without any kind of formal trial, was exiled by Constantine to Trier in the Rhineland.

At the time, there were media reports about the discovery of two bombs, one at Manila airport and another at the venue for the leaders ' meeting ".

At a meeting in August 2006 with members of the Rwanda Patriotic Front, Wu Guanzheng, of the Communist Party of China, confirmed the intention of the People's Republic of China to fund a study into the feasibility of constructing a railway connecting at Isaka with the existing Tanzanian railway network, and running via Kigali in Rwanda through to Burundi.

At a meeting to inaugurate the Northern Corridor Transit Coordination Authority ( NCTCA ), the governments of Uganda and Burundi backed the proposed new railway from the Ugandan western railhead at Kasese into the DRC.

At a meeting at the Leland Hotel in Chicago in 1901, the other baseball leagues negotiated a plan to maintain their independence.

At its most recent meeting, November 27 – December 1, 2006, the Conference of the Parties of the Basel Agreement focused on issues of electronic waste and the dismantling of ships.

At a War Cabinet meeting, held on 31 October 1917, Balfour suggested that a declaration favorable to Zionist aspirations would allow Great Britain " to carry on extremely useful propaganda both in Russia and America "

At the meeting of the Council of People's Commissars on January 31, 1918, a merger of VCheKa and the Commission of Bonch-Bruyevich was proposed.

At the end of November, a meeting was held in the rooms of Canon John Collins, chaired by the editor of the New Statesman, Kingsley Martin, to launch the Campaign for Nuclear Disarmament.

At 6: 30 pm EDT, Kennedy convened a meeting of the nine members of the National Security Council and five other key advisers, in a group he formally named the Executive Committee of the National Security Council ( EXCOMM ) after the fact on October 22 by the National Security Action Memorandum 196.

At a meeting which followed the World Cup, the International Cricket Conference agreed to make the competition a quadrennial event.

At a 18 June Presidium meeting at which two Khrushchev supporters were absent, the plotters moved that Bulganin, who had joined the scheme, take the chair, and proposed other moves which would effectively demote Khrushchev and put themselves in control.

At that meeting, the three main conspirators were dubbed the Anti-Party Group, accused of factionalism and complicity in Stalin's crimes.

At the Central Committee meeting of 22 November 1982, Kirilenko lost his membership in the Politburo ( after a decision within the Politburo itself ), and Nikolai Ryzhkov, the Deputy Chairman of the State Planning Committee, was elected to the Secretariat.