mass spectrum

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mass spectrum

a characteristic pattern obtained from a mass spectrometer.

mass spec·trum

(mas spek'trŭm)
A distribution of charged particles arranged in the order of mass.
References in periodicals archive ?
Figure 8a shows a different cracking pattern (sample 10-250 exposure to propanol), where cracks run along boundaries between the plasma polymer nodules.
This cracking pattern is typical for hoses and is due to the stress distribution in the hose which causes the cracks to grow in both length and depth.
Though other technologies may have similar or higher pore volumes, Engelhard's DMS structure imparts a unique morphology and inherent zeolite-based cracking pattern.
Electromagnetic resonance testing machine for dynamic axial loading force of at least A 125 kn, long-term static load of at least 150 kn, with a maximum combination of static and dynamic loading of A 250 kn (A 10%) and maximum stroke amplitude of at least 2 mm, equipped with mechanical jaws for clamping flat samples to a thickness of 20 mm and samples of circular cross section with a screw head to a maximum diameter of 32 mm and ct (1 ~, 2~, 3 ~) of the samples, with the furnace for high cycle fatigue endurance testing samples of circular cross section with a diameter up to 24 mm stroke -pressure and at temperatures of at least 300-900 A c extensometer to room temperature and the sensor for evaluating the cracking patterns of fracture mechanics.
Different failure features including cracking patterns and the delamination degree of these two TBCs are discussed according to the thermal cycling tests in the atmosphere.
Close-ups indicate cracking patterns and subtleties such as color, lichens, algae growth and mineral stain.
If there is a concrete floor on top of the steel framing, uniform, as opposed to random, cracking patterns may indicate total structure movement rather than cracking as a result of the drying shrinkage of the concrete, or excessive loads and deflections.