Papers 2161-2170 of total 3876 found.
Category: /History
…in the first half of the 1800¹s. Artist endorsement models like the Les Paul, Stevie Ray Vaughn, and Chet Atkins model¹s, which were of huge success had already been thought of and done like the Luigi Legnani model by Staufer in 1820. In the early 20th century…
Details: Words: 2171 | Pages: 8.0 (approximately 235 words/page)
…to be a three fused chairs of cyclohexane rings bound only to hydrogen atoms. The crystallized structure of adamantane was studied in depth by X-ray diffraction. An X-ray diffraction pattern is created through the interaction of photons emitted from an excited metal…
Details: Words: 2420 | Pages: 9.0 (approximately 235 words/page)
…THE SOLAR RESOURCE SIMPLE APPLICATIONS OF SOLAR ENERGY The Sun's rays have long been used as the heat source for evaporating and distilling water. Solar evaporation has always been an important salt-production process. Salt water is pumped…
Details: Words: 1983 | Pages: 7.0 (approximately 235 words/page)
…examples of ¡¥unseen¡¦ objects in nature such as radio-waves, microwaves, and X-rays. These are all considered as not observable by human senses, but are widely used by human beings. People use radio-waves to transfer information; use microwaves to cook foods…
Details: Words: 2059 | Pages: 7.0 (approximately 235 words/page)
…flooded the lowlands and produced the smooth plains. During the fourth stage micrometeorite bombardment created a dusty surface also known as regolith. A few larger meteorites impacted the surface and left bright rayed craters. Other than the occasional…
Details: Words: 1897 | Pages: 7.0 (approximately 235 words/page)
Category: /Literature/English
…into a blood vessel and guided to the heart with the aid of an X-ray machine. A contrast dye is injected through the catheter so that X-ray movies of the coronary arteries, heart chambers, and valves may be taken. This test may be ordered by a physician to determine…
Details: Words: 2053 | Pages: 7.0 (approximately 235 words/page)
Category: /Literature/English
…such as a camera and recreating those variations in light as a visual image via a display device such as cathode ray tube (CRT). Television was initially intended for sports, news and entertainment applications and its now finding application in telecommunications…
Details: Words: 2397 | Pages: 9.0 (approximately 235 words/page)
…of the Soviet Union” (Ray 324). These weapons are now under the safeguards utilized by the Russian government and therefore are protected against an unauthorized launch. Nuclear weapons have been used as a deterrent from their inception. Backers of the NMD…
Details: Words: 2302 | Pages: 8.0 (approximately 235 words/page)
Category: /History
…properties such as being fissionable) uranium-235 or plutonuim-239. Then the nucleus splits into two halves. Each half of the nucleus has about the same amount of neutrons and protons. When the nucleus splits a great deal of thermal energy and gamma rays and two…
Details: Words: 2327 | Pages: 8.0 (approximately 235 words/page)
Category: /History
…treatise on the subject." Abu Bakr Muhammad Ibn Zakariya Al-Razi was born at the Persian city of Ray near modern Tehran, Iran in c. 864 AD. It is said that early in his life Al-Razi was interested in singing and music besides other professions. Because…
Details: Words: 2358 | Pages: 9.0 (approximately 235 words/page)