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X-ray tube. Discussion An X-ray tube is a narrow cylinder where a vacuum provided at each end an electrode rule, one negatively charged (the cathode) and the other positively (anode). An electric current heats the cathode ?at the same time ...
The analysis of strengths, weaknesses, opportunities and threats of a company gives a clear insight of their business and its future. It helps the managers change their existing strategies and policies to ensure a profitable business. It a...
lumbar disc disease. Lumbar Disc Disease Overview Pathogensis Low back pain is a very common complaint in the aging population. Fortunately, approximately 90% of episodes of low back pain are self-limiting and resolve within approximately s...
herniated disk, there are complications that may come with them. Sadly, the symptoms of a herniated disk are very severe, which can prevent them from the ability to do anything for a short period of time. Herniated disk surgery The bone dis...
Phaistos Disc is a curious archaeological find, likely dating to the middle or late Minoan Bronze Age. Its purpose and meaning, and even its original geographical place of manufacture, remain disputed, making it one of the most famous myste...
brake is the name given to a wheel brake which is used to slow down the rotational speed of the wheel by causing friction. This friction is produced by compressing brake pads against a brake disc that is combined with a set of calipers. Th...
automotive industry and found widespread acceptance (Petrascu, 2009). As materials used in the manufacture of wheels evolved, braking systems also improved. By early 20th century, mechanical brakes (using some type of stoppage to the wheels...