What is the history of the common hamster?
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Golden hamsters are native to the desert areas of Syria and are sometimes referred to as Syrian Golden
hamsters. They were discovered in 1930 by Professor I. Aharoni of the Department of Zoology, Hebrew
University, in Jerusalem. Professor Aharoni was exploring an animal tunnel near Aleppo, Syria, when he
came across a mother and her litter. Of the litter of 12, only a male and two females survived the trip back to
the university. These three were later mated and are believed to be the foundation for all Golden hamsters in
captivity today.
In 1931, young hamsters were shipped to the United States Public Health Service Research Center at
Carville, Louisiana, where they were used in medical research. While being used in research, it was discovered
that the Golden hamster could be tamed and made into a pet.
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Problem 1.35 A steel pipe of 400-mm outer diameter is fabricated from 10-mm-thick plate by welding along a helix that forms an angle of 20° with a plane perpendicular to the axis of the pipe. Knowing that a 300-kN axial force P is applied to the pipe, determine the normal and shearing stresses in directions respectively normal and tangential to the weld.
Noncombustible/combustible types of construction are
A) Types 1 and 2. B) Types V and VI. C) Types I and II. D) Types 1, 2, and 3. E) Types III and IV.
How did racial issues and ethnic clashes, including those involving Chinese immigration, affect economic and political developments of the Gilded Age?
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When using a 555 timer, what can usually be said about the capacitor charge and discharge rates?
A) Both rates are the same. B) It depends on the capacitor. C) The discharge rate is faster. D) The charge rate is faster.