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. and K
Let Q be a nonsingular quadric surface bearing reguli Af and Af, and let **zg be a Af curve of order K on Q.
The class of the congruence is Af, since an arbitrary plane meets **zg in K points.
Since the complex of singular lines is of order K and since there is no complex of invariant lines, it follows from the formula Af that the order of the involution is Af.
Since C is rational, this correspondence has K coincidences, each of which implies a line of the pencil which meets its image.
For if such were the case, either the plane of the two lines would meet **zg in more than K points or, alternatively, the order of the image regulus of the pencil determined by the two lines would be too high.
The K factor, a term used to denote the rate of heat transmission through a material ( B.t.u./sq. ft. of material/hr./*0F./in. of thickness ) ranges from 0.24 to 0.28 for flexible urethane foams and from 0.12 to 0.16 for rigid urethane foams, depending upon the formulation, density, cell size, and nature of blowing agents used.
Table 1,, p. 394, shows a comparison of K factor ratings of a number of commercial insulating materials in common use, including two different types of rigid urethane foam.
The man most firmly at grips with the problem is the University of Minnesota's Physiologist Ancel Keys, 57, inventor of the wartime K ( for Keys ) ration and author of last year's bestselling Eat Well And Stay Well.
* in J. Barnes, M. Schofield, and R. R. K. Sorabji, eds .( 1975 ).
* Pfeiff, K. A., 1943.
The equilibrium constant K is an expression of the equilibrium concentrations of the molecules or the ions in solution.
The acid dissociation constant K < sub > a </ sub > is generally used in the context of acid-base reactions.
The stronger of two acids will have a higher K < sub > a </ sub > than the weaker acid ; the ratio of hydrogen ions to acid will be higher for the stronger acid as the stronger acid has a greater tendency to lose its proton.
Charles K. Smith argues that Swift ’ s rhetorical style persuades the reader to detest the speaker and pity the Irish.
To do this, Moseley measured the wavelengths of the innermost photon transitions ( K and L lines ) produced by the elements from aluminum ( Z = 13 ) to gold ( Z = 79 ) used as a series of movable anodic targets inside an x-ray tube.
Maj. Gen. Polk ignored the problems of Fort Henry and Fort Donelson when he took command and, after Johnston took command, at first refused to comply with Johnston's order to send an engineer, Lt. Joseph K. Dixon, to inspect the forts.

. and Bulatovich
* A. K. Bulatovich, With the Armies of Menelik II, translated by Richard Seltzer
Exploring this river in the mid 1890s and from interviews with local inhabitants, Alexander Bulatovich asserted that downstream of its junction with the Angar, the Didessa is rapid-free and potentially navigable.
Lieutenant Alexander Bulatovich led a second Ethiopian expedition which reached the lake August 21, 1899, and was equally destructive.
The Russian explorer Alexander Bulatovich stopped here 21 November 1896, expecting to meet Ras Tessema, who was away campaigning against the Mocha ; Ras Tessema had not returned when Bulatovich left on 31 December.
The Russian explorer Alexander Bulatovich visited Nekemte 13 March 1897 ; in memoirs he describes its marketplace as " a very lively place and presents a motley mixture of languages, dress, and peoples ", and carefully described the paintings in the town's newly-constructed Ethiopian Orthodox church.
On the other hand, Alexander Bulatovich states that, when Jimma was annexed to Ethiopia, Emperor Menelik imprisoned Aba Jifar " for inspiring excessive enthusiasm in his own standing army and trying to entice Abyssinian soldiers to his own service " in Ankober for a year.
" When he was freed ," Bulatovich continues, " Aba Jefar again received the throne of Jimma from Menelik, and after that lesson became one of the most obedient of vassals and one of the most regular in paying tribute to the Emperor.
In January 1898, as part of a Red Cross mission to southwestern Ethiopia, Bulatovich visited Jimma, and was the guest of Abba Jifar.
During his visit to Kaffa in 1897, Alexander Bulatovich had the opportunity to study the culture of the inhabitants, describing them in his book With the Armies of Menelik II, emperor of Ethiopia, identifying a number of practices in common with the more familiar Amhara people.
Like Flaubert and Rimbaud before him, but inspired by exploits of Alexander Bulatovich and Nikolay Leontiev, Gumilev was fascinated with Africa and travelled there almost each year.

. and Ethiopia
Other widely spoken Afroasiatic languages are Amharic, the national language of Ethiopia, with 18 million native speakers ; Somali, spoken by around 19 million people in Greater Somalia ; and Hausa, the dominant language of northern Nigeria and southern Niger, spoken by 18. 5 million people and used as a lingua franca in large parts of the Sahel, with some 25 million speakers in total.
There is no agreement on when and where this Urheimat existed, though the language is generally believed to have originated somewhere in or near the region stretching from the Levant / Near East to the area between the Eastern Sahara and the Horn of Africa, including Egypt, Ethiopia and Sudan.
The term Ethiopic Ocean, derived from Ethiopia, was applied to the southern Atlantic as late as the mid-19th century.
The modern nation of Ethiopia, in northeast Africa, is nowhere near the Ethiopic Ocean, which would be said to lie off the west coast of Africa.
These include: Albania, Afghanistan Andorra, Australia, Austria, Belarus, Belgium, Benin, Brazil, Bulgaria, Canada, Chad, Chile, the People's Republic of China, Côte d ' Ivoire, Croatia, Cuba, Cyprus, Czech Republic, Denmark, DR Congo, Egypt, East Timor, Equatorial Guinea, Estonia, Ethiopia, Finland, France, Georgia, Germany, Greece, Grenada, Holy See ( Vatican City ), Honduras, Iceland, India, Indonesia, Iran, Iraq, Ireland, Israel, Italy, Japan, Jordan, Kazakhstan, North Korea, South Korea, Kyrgyzstan, Latvia, Lebanon, Liechtenstein, Lithuania, Luxembourg, Libya, Malta, Mauritania, Mexico, Moldova, Monaco, Montenegro, Norway, Netherlands, Nigeria, Oman, Order of Malta, Paraguay, Poland, Portugal, Qatar, Romania, Russia, San Marino, Serbia, Seychelles, Slovakia, Slovenia, South Africa, Spain, Sudan, Sweden, Switzerland, Syria, Tajikistan, Thailand, Turkmenistan, Tuvalu, Ukraine, the United Arab Emirates, the United Kingdom, the United States of America, Uruguay, and Vietnam.
In 1992 1993 a research team headed by Tim White discovered the first A. ramidus fossils — seventeen fragments including skull, mandible, teeth and arm bones — from the Afar Depression in the Middle Awash river valley of Ethiopia.
Although originally considered a subspecies of A. ramidus, in 2004 anthropologists Yohannes Haile-Selassie, Gen Suwa, and Tim D. White published an article elevating A. kadabba to species level on the basis of newly-discovered teeth from Ethiopia.
* 1989 U. S. Congressman Mickey Leland ( D-TX ) and 15 others die in a plane crash in Ethiopia.
Alfonso was the object of diplomatic contacts from the empire of Ethiopia.
In 1428, he received a letter from Yeshaq I of Ethiopia, borne by two dignitaries, which proposed an alliance against the Muslims and would be sealed by a dual marriage that would require the Infante Peter to bring a group of artisans to Ethiopia where he would marry Yeshaq's daughter.
In return, Alfonso sent a party of 13 craftsmen, all of whom perished on the way to Ethiopia.
He later sent a letter to Yeshaq's successor Zara Yaqob in 1450, in which he wrote that he would be happy to send artisans to Ethiopia if their safe arrival could be guaranteed, but it probably never reached the Emperor.
* 1930 After the mysterious death of Empress Zewditu, Haile Selassie is proclaimed emperor of Ethiopia.
* 1993 Eritreans vote overwhelmingly for independence from Ethiopia in a United Nations-monitored referendum.
The coffee plant grows wild in such widely separated places as Liberia and southern Ethiopia.
Donald Johanson, who discovered the 3. 18 million year old fossil hominid Lucy ( Australopithecus ) in Ethiopia, is also a professor at ASU, as well as George Poste, Chief Scientist for the Complex Adaptive Systems Initiative.

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