Arms and Armor: A Pictorial Archive from Nineteenth-Century by Carol Belanger Grafton

By Carol Belanger Grafton

I purchased this e-book awaiting loads of sturdy photographs and diagrams. I did get that; even if, i did not get anything. The saving grace of the e-book is that the photographs are in reality very good, and, it does say correct at the entrance hide that the images are from ninteenth-century assets. The 1800s' are usually not precisely identified for his or her prime quality of old accuracy, and it is only within the such a lot modern armour, nearly overdue 1400's via 1600's, that the illustrations are premiere. earlier than that time, it may be downright abysmal, as often it portrays armour from the inaccurate interval; for instance, fits of evidently 16th-century armour are depicted upon pages captioned "14th Century". i wouldn't depend on this as an actual resource in any respect, and merely use it as a resource of clip-art or creative thought. As I stated, the images are lovely, yet that is approximately it...

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Extra resources for Arms and Armor: A Pictorial Archive from Nineteenth-Century Sources (Dover Pictorial Archive Series)

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Typical detectors have volumes of tens or hundreds of cubic centimeters and weigh several kilograms. Lightweight, portable detectors exist, but they can only be used for relatively strong sources at close range. A general discussion of the detection process is given here. This is followed by more detailed descriptions of individual detector types. A useful source of information on radiation detectors can be found in [Knoll, 2000]. Gamma rays and neutrons are both long-range neutral particles that do not produce an electrical signal when they pass through the detector.

In the most general 27 terms, a detection technology is embodied in an instrument that accepts signals or samples molecules from nuclear materials and turns them into information. This is indicated schematically in figure 12. Figure 12. Diagram of the most basic components of a detection technology The front end of a detection device may include filters or masks for nuclear radiation. Ultimately, the external energy is sensed by one or more sensors that transform the input into data. The computer, which is commonly built into an instrument, turns the data into information for display, storage, processing, or transmission.

After absorption, the excited nucleus decays, emitting a charged particle, which can be detected by a scintillator, semiconductor diode or gas-filled counter. The neutron energy information is lost in the moderation process, so the resulting display is typically count rate or is converted to dose rate. The most common neutron detectors are proportional counters containing a gas, such as 3He or BF3, that has high thermal neutron capture probabilities. Solidstate neutron detectors are in development, which contain a thermal neutron capture material, such as 10B or 6Li, followed by a semiconductor particle detector.

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