By international agreement, absolute zero is defined as on the Kelvin scale and as − 273. 15 ° on the Celsius scale.

" By about 15: 00 the Swiss had been pushed out of the village into the marshes beyond.

By the third century criticism of Christianity had mounted, partly as a defense against it, and the 15 volume Adversus Christianos by Porphyry was written as a comprehensive attack on Christianity, in part building on the pre-Christian concepts of Plotinus.

By 1700, it had been reprinted 15 times in Italian, and was translated in Dutch, English, French, German, Russian and Spanish.

By the end of 1990 almost 15 million homes had been included in franchised areas, but only 828, 000 of these had been passed by broadband cable and only 149, 000 were actually subscribing.

By 2006, the percentage of foreign-born population had increased to just over 15 % in Dublin.

( By comparison, the ratio in twelfth-century China was one bureaucrat for every 15, 000 people.

By 1999, ESAF strength stood at less than 15, 000, including uniformed and non-uniformed personnel, consisting of personnel in the army, navy, and air force.

By 1916 there are a number of films in which there are around 15 to 20 true reverse-angle cuts per hundred shot transitions, such as The Deserter ( Scott Sidney ) and Going Straight.

By 15: 00, the 3rd Reconnaissance Regiment and part of 21st Panzer Division from the north and 33rd Reconnaissance Regiment and the Baade Group comprising elements from 15th Panzer Division from the south were in place under Lieutenamnt-General ( General der Panzertruppe ) Walther Nehring.

By the first days of January, Emperor Menelik, accompanied by his Queen Taytu Betul, had led large forces into Tigray, and besieged the Italians for 15 days ( 6 – 21 January 1896 ), trying in vain to storm the fort on several occasions, until the Italians surrendered with permission from the Italian Headquarters.

By 1977 there were 15 to 20 Greenpeace groups around the world.

By the Anglo-Swedish alliance of 3 March 1813, it was ceded to Sweden for a brief period of 15 months.

By 1954, Olympic Games apparatus and events for both men and women had been standardized in modern format, and uniform grading structures ( including a point system from 1 to 15 ) had been agreed upon.

By 1997, the federal government had already cut tariffs to 22. 5 percent from 57. 5 percent ten years earlier, and by 2000 were planning to reduce this even further down to 15 percent.

By age 15, he had already given concerts worldwide.

By June 15, Israeli units were entrenched outside Beirut and Yassir Arafat attempted through negotiations to evacuate the PLO.

By December 15, 2010 it broke the record for longest serving spacecraft at Mars, with 3, 340 days of operation, claiming the title from NASA's Mars Global Surveyor.

By April 1992, as civilian rule returned, 15 political parties had gained recognition.

By the end of Suleiman's reign, the Empire's population totaled about 15, 000, 000 people.

By 2002 tea became Rwanda ’ s largest export, with export earnings from tea reaching US $ 18 million equating to 15, 000 tons of dried tea.

By 2003 it was down to 15, 000.

By language, according to 2008 data, 21 % of the population always speak in Galician, 15 % always speak in Spanish and the rest use both interchangeably.

By December 1991, that Association had received reports of 60 common graves and had investigated 15 of them.

By the Academic Ranking of World Universities, one of its campuses, UC Berkeley, is ranked second worldwide among public and private universities, and three — Berkeley, Los Angeles, and San Diego — are ranked among the top 15.

By failing to do as he was told instantly -- to take out a permit or return the gun to his car -- he had played into Lord's hands.

By now Curt was seeing clearly again.

By her eighteenth birthday her bent for writing was so evident that Papa and Mamma gave her a Life Of Dickens as a spur to her aspiration.

By now she was sure she was going to have a baby, deciding it would be born in India or Burma that November.

By this time she had learned that it was futile to argue with her young husband, yet the uncomfortable fact remained: the American Congregationalists were sending them as missionaries to the Far East and paying their salaries.

By now he was undergoing a fresh torrent of abuse from Tory papers and pamphlets, and action was being taken to effect his punishment by expulsion from Parliament.

By this time word had got around that an American doctor was on the premises.

By our policy the West was -- is -- split.

By the time he was under the covers he had forgotten about seeing Kate.

By the time he was prosperous enough -- his goals were high -- he was bald and afraid of women.

By late afternoon the train inched into the marshaling yards in the railhead at Lublin, which was filled with lines of cars poised to pour the tools of war to the Russian front.

By odd coincidence, on the evening of her return Shelley chose to read Parisina, which was the latest of the titled poet's successes.

By the time the film was released we were three million dollars over-spent, war was imminent and the public apparently had forgotten all about Mother Cabrini.

By this method it was determined that the normal pressure exerted by a sample of polybutene ( molecular weight reported to be 770 ) was over half an atmosphere.

By comparing reaction cells sealed from the same manifold temperature dependency corresponding to activation energies ranging from 11 to 18 Af was observed while dependence on the first power of the light intensity seemed to be indicated in most cases.

By Nov. 8, 1958, weakness, specifically involving the pelvic and thigh musculature, was pronounced, and a common complaint was `` difficulty in stepping up on to curbs ''.

Serum potassium at this time was 3.8 mEq. per liter, and the hemoglobin was 13.9 gm. By Dec. 1, 1958, the weakness in the pelvic and quadriceps muscle groups was appreciably worse, and it became difficult for the patient to rise unaided from a sitting or reclining position.