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2. In any given inertial frame, the velocity of light c is the same whether the light be emitted by a body at rest or by a body in uniform motion. [Emphasis added by editor] [12]: 140–141 Einstein's wording of the first postulate was one with which nearly all theorists of his day could agree.
Oil content meters measure how effective the oily water separators on a ship are functioning. [6] If the OCM computes that the oily discharge is above the 15 ppm standard, the oily water separator needs to be checked by the crew. There are three types of oil that the oil content meter needs to check for and they are fuel oil, diesel, and ...
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The primary purpose of leak detection systems (LDS) is to help pipeline controllers to detect and localize leaks. LDS provide alarms and display other related data to the pipeline controllers to assist decision-making. Pipeline leak detection systems can also enhance productivity and system reliability thanks to reduced downtime and inspection ...
This detection system is highly accurate down to 0.02° of motion. The field compass location provides a physical location of the float position. The choice of float and stem materials depends on the liquid in terms of chemical compatibility as well as specific gravity and other factors that affect buoyancy of the float.
The Great Oil Sniffer Hoax was a 1979 scandal involving French oil company Elf Aquitaine. The company spent millions of dollars developing a new gravity wave-based oil detection system, which was later revealed to be a scam. Elf lost over $150 million in the hoax. In France, the scandal is known as the "Avions Renifleurs" ("Sniffer Planes"). [1]
Most Cherenkov detectors aim at recording the Cherenkov light produced by a primary charged particle. Some sensor technologies explicitly aim at Cherenkov light produced (also) by secondary particles, be it incoherent emission as occurring in an electromagnetic particle shower or by coherent emission, for example Askaryan effect.
The Cherenkov light is following a zigzag path between parallel surfaces. The light detectors would be positioned to the right. A charged particle travelling through a material (for instance fused silica) with a speed greater than c/n (n refractive index, c vacuum speed of light) emits Cherenkov radiation. If the light angle on the surface is ...