secondary emission noise
51HD Radio — HD Radio, which originally stood for Hybrid Digital , is the trademark for iBiquity s in band on channel (IBOC) digital radio technology used by AM and FM radio stations to transmit audio and data via a digital signal in conjunction with their… …
52Fluorescence microscope — An upright fluorescence microscope (Olympus BX61) with the fluorescent filter cube turret above the objective lenses, coupled with a digital camera. A fluorescence microscope is an optical microscope used to study properties of organic or… …
53Non-invasive intracranial pressure measurement methods — Increased intracranial pressure (ICP) is one of the major causes of secondary brain ischemia that accompanies a variety of pathological conditions, most notably, traumatic brain injury (TBI), stroke, and intracranial hemorrhages. However, aside… …
54Thermometer — A clinical mercury in glass thermometer …
55List of Statutory Instruments of the United Kingdom, 1987 — This is a complete list of all 1468 Statutory Instruments published in the United Kingdom in the year 1987. NOTOC 1 100* Parish and Community Meetings (Polls) Rules 1987 S.I. 1987/1 * National Health Service (Food Premises) (Scotland) Regulations …
56List of Statutory Instruments of the United Kingdom, 1988 — NOTOC This is a complete list of all 1558 Statutory Instruments published in the United Kingdom in the year 1988.1 100* Origin of Goods (Petroleum Products) Regulations 1988 S.I. 1988/1 * Export of Sheep (Prohibition) (No.2) Amendment Order 1988… …
57Nanometrology — NIST Next Generation Nanometrology research.[1] Nanometrology is a subfield of metrology, concerned with the science of measurement at the nanoscale level. Nanometrology has a crucial role in order to produce nanomaterials and devices w …
58Stellar classification — In astronomy, stellar classification is a classification of stars based on their spectral characteristics. The spectral class of a star is a designated class of a star describing the ionization of its chromosphere, what atomic excitations are… …
59Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… …
60Thomas Ralph Merton — Sir Thomas Ralph Merton KBE, DSc, FRS (1888 ndash;1969) was an English physicist, inventor and art collector. He is particularly noted for his work on spectroscopy and diffraction gratings.Early life and educationBorn in Wimbledon, Surrey, Thomas …
