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Surge Protection Device (SPD) for installation in a low-voltage distribution board. A surge protector (or spike suppressor, surge suppressor, surge diverter, [1] surge protection device (SPD) or transient voltage surge suppressor (TVSS) is an appliance or device intended to protect electrical devices in alternating current (AC) circuits from voltage spikes with very short duration measured in ...
As of 2023, a superconducting nanowire single-photon detector is the fastest single-photon detector (SPD) for photon counting. [8][9][10] It is a key enabling technology for quantum optics and optical quantum technologies. SNSPDs are available with very high detection efficiency, very low dark count rate and very low timing jitter, compared to ...
The SPD government, committed to parliamentary liberal democracy, used military force against more radical communist groups, leading to a permanent split between the SPD and the USPD, as well as the Spartacist League which would go on to form the Communist Party of Germany (KPD) and integrate a majority of USPD members as well.
seattle.gov /police. The Seattle Police Department (SPD) is the principal law enforcement agency of the city of Seattle, Washington, United States. It is responsible for the whole city except for the campus of the University of Washington (which is under the university's police department). Law enforcement in Seattle began with the election of ...
Sensory integration difficulties or sensory processing disorder (SPD) are characterized by persistent challenges with neurological processing of sensory stimuli that interfere with a person's ability to participate in everyday life. Such challenges can appear in one or several sensory systems of the somatosensory system, vestibular system ...
Sterile dental instruments from hospital central supply (barcoded label indicating sterilization date, expiry date and contents). The central sterile services department (CSSD), also called sterile processing department (SPD), sterile processing, central supply department (CSD), or central supply, is an integrated place in hospitals and other health care facilities that performs sterilization ...
The foundation of the Social Democratic Party of Germany (German: Sozialdemokratische Partei Deutschlands, SPD) can be traced back to the 1860s, and it has represented the centre-left in German politics for much of the 20th and 21st centuries. From 1891 to 1959, the SPD theoretically espoused Marxism. [1]
Spectroradiometer. A spectroradiometer is a light measurement tool that is able to measure both the wavelength and amplitude of the light emitted from a light source. Spectrometers discriminate the wavelength based on the position the light hits at the detector array allowing the full spectrum to be obtained with a single acquisition.