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radiation emission Essay Examples

129 total results

A Descriptive Study About Radiation Emission From Mobile Phones Affected The Health Conditions of Users (1436 words, 2 pages)

Many public agencies, along with the general population, have heard numerous reports about how mobile phone devices emit radiation that is absorbed by the user's body. These startling accounts have begun to worry many safety organizations, and many are disappointed to announce the inconclusive research behind cell phone risk. Numerous ... Read More

The Use of Cloaking Generator Coils (1038 words, 2 pages)

A cloaking device is an energy screen generator used to render an object (typically, a space vehicle) invisible to the eye and to most sensor systems. This is accomplished by gravitational lensing, the creation of a distorted image of an object when it's light is focused by gravity. In the ... Read More

The Distinctive Benefits of Radiation in Modern Life (923 words, 2 pages)

Benefits of Radiation Radioactivity is the spontaneous disintegration of atomic nuclei by the emission of subatomic particles called alpha particles and beta particles, or of electromagnetic rays called X rays and gamma rays. The phenomenon was discovered in 1896 by the French physicist Antoine Henri Becquerel when he observed that ... Read More

The Problem of Pollution from Automobile Emissions (3854 words, 5 pages)

ABSTRACT Pollution from automobile emissions has become over the past few decades an issue of great concern. With a growing number of motor vehicles on our roads great concern has been attributed to the effects of these emissions to our health and to the environment. Several of the gases emitted, ... Read More

Analyzing the Shift from Country to Urban Naturalism Represented in the Radiator Building, Brooklyn Bridge, and Steam Turbine (810 words, 2 pages)

The Radiator Building, The Brooklyn Bridge, and the Steam Turbine all represent the shift from country naturalism to urban naturalism during the 1920s in art. The Radiator Building strongly depicted the shift of city life in its use of buildings but also a despair in the change. The Brooklyn Bride ... Read More

The Use of Gamma Radiation from Cobalt 60 (426 words, 1 pages)

Using gamma radiation from Cobalt 60 is used to sterilise syringes Gamma rays, emitted from cobalt-60, are similar in many ways to microwaves and X-rays. Gamma rays delivered during sterilization break chemical bonds by interacting with the electrons of atoms, which would kill anything made of atoms (which is everything). ... Read More

Biological Effects of Radiation (1000 words, 4 pages)

Radiation is an emission of energetic particles or energetic waves. In radiation machines these energetic particles are sent through a matter containing media. There are two classifications of radiation. Radiation can be both Ionizing or non-ionizing. Ionizing radiation is radiation with sufficiently high energy that can ionize atoms (Wikipedia, 2013). ... Read More

Radiation and Chernobyl (643 words, 2 pages)

Radiation is used in medical research but when its present ina great amount to the outside world it has a negative effect. In April,1986 a terrible accident happened in a power plant. Many people dieddue to the radiation, affected five million people in the near towns.The explosion of Chernobyl, killed ... Read More

Objective Semi-Quantitative Indexes for Evaluating Single Photon Emission Tomography Scan Results of Brain Glioma Patients (3588 words, 10 pages)

There remains a lack of objective semi-quantitative indexes for evaluation of single photon emission tomography (SPET) scan results of brain glioma patients. We aimed a) to validate two semi-quantitative indexes the total size index (TSI) and total intensity index (TII), of technetium-99m metaiodobenzylisonitrile (99mTc-MIBI) SPET scan to discriminate high grade ... Read More

Published: Friday 25th of January 2013