Papers 2041-2050 of total 3876 found.
Category: /Literature/English
…industrial processes, leading to a build-up of greenhouse gasses. It has been known that using these gasses stop the suns rays from getting into space. This basic natural process of atmospheric heating is called the greenhouse effect. A rise in temperature…
Details: Words: 1749 | Pages: 6.0 (approximately 235 words/page)
Category: /Literature/English
…-rays, a comprehensive model does not exist. Recent studies of crystallites in Kevlar show that the crystallites are slightly misaligned due to the fiber axis, but can be oriented by a tensile load. Since Kevlar has low compressive strength, it can knot from…
Details: Words: 1745 | Pages: 6.0 (approximately 235 words/page)
…and, objects traveling nearer to the sun, or in the suns rays receive high amounts of heat, while objects that are not in the suns rays are extremely cold. The National Aeronautics & Space Administration or NASA was one of the first to tackle this problem…
Details: Words: 1850 | Pages: 7.0 (approximately 235 words/page)
Category: /History
…the first observations of solar X-rays. In 1958, the Explorer III became the US’s first satellite and it also discovered Earth’s radiation belt. On August 17th, 1958, the US set its sights upon the moon with the Pioneer 0 but it exploded in its first stages…
Details: Words: 1797 | Pages: 7.0 (approximately 235 words/page)
…victims - twins and dwarfs aged two and above - to clinical examinations, blood tests, X rays, and anthropological measurements. In the case of the twins, he drew sketches of each twin, for comparison. He also injected his victims with various…
Details: Words: 1840 | Pages: 7.0 (approximately 235 words/page)
…the intensity of the radiation. X-rays and gamma rays are commonly used in these procedures. The most important photochemical reaction is photosynthesis. Carbon-dioxide and water combine with chlorophyll as a catalyst to give off oxygen. Photochemical reactions…
Details: Words: 1984 | Pages: 7.0 (approximately 235 words/page)
…recording of the heartbeat, echocendiography and radioisotopes, X-ray analysis of the heart's form and movements, and X-ray contrast studies of the blood flow through the heart and the coronary vessels.…
Details: Words: 1934 | Pages: 7.0 (approximately 235 words/page)
…of the radioactive substance than dogs forced to inhale it. Also, at the University of Rochester School Of Medicine a group of experimenters put fifty beagles in wooden boxes and irradiated them with different levels of radiation by x-rays. Twenty-one of the dogs…
Details: Words: 1705 | Pages: 6.0 (approximately 235 words/page)
…, and frontal fog. Radiation fog occurs during clear days, which have calm skies. Normally the infrared rays of radiation, heat, are reflected from the clouds, but on nice days there are no clouds to reflect the rays. The radiation that escapes the upper…
Details: Words: 1987 | Pages: 7.0 (approximately 235 words/page)
…for scientists into Mars past and present. The Alpha Proton X-Ray Spectrometer (APXS) was used in analyzing the Martian rock samples (Bell). With the new technology put into effect, the Pathfinder was able to carry out all of its’ tasks which were to probe…
Details: Words: 1638 | Pages: 6.0 (approximately 235 words/page)