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The erythrocyte sedimentation rate is the rate at which red blood cells in anticoagulated whole blood descend in a standardized tube over a period of one hour. It is a common hematology test, and is a non-specific measure of inflammation. To perform the test, anticoagulated blood is traditionally placed in an upright tube, known as a Westergren tube, and the distance which the red blood cells fall is measured and reported in millimetres at the end of one hour.
The Kent and East Sussex Railway (K&ESR) refers to both a historical private railway company in Kent and East Sussex in England, as well as a heritage railway currently running on part of the route of the historical company. The railway runs between Tenterden Town and Bodiam.
Capacitors and inductors as used in electric circuits are not ideal components with only capacitance or inductance. However, they can be treated, to a very good degree of approximation, as being ideal capacitors and inductors in series with a resistance; this resistance is defined as the equivalent series resistance (ESR). If not otherwise specified, the ESR is always an AC resistance, which means it is measured at specified frequencies, 100 kHz for switched-mode power supply components, 120 Hz for linear power-supply components, and at its self-resonant frequency for general-application components. Additionally, audio components may report a "Q factor", incorporating ESR among other things, at 1000 Hz.
In physics, the dissipation factor (DF) is a measure of loss-rate of energy of a mode of oscillation in a dissipative system. It is the reciprocal of quality factor, which represents the "quality" or durability of oscillation.
In electrical engineering, a practical electric power source which is a linear circuit may, according to Thévenin's theorem, be represented as an ideal voltage source in series with an impedance. This impedance is termed the internal resistance of the source. When the power source delivers current, the measured voltage output is lower than the no-load voltage; the difference is the voltage drop caused by the internal resistance. The concept of internal resistance applies to all kinds of electrical sources and is useful for analyzing many types of circuits.
Earlham School of Religion (ESR), a graduate division of Earlham College, located in Richmond, Indiana, is the oldest graduate seminary associated with the Religious Society of Friends (Quakers). ESR's Mission Statement is as follows: "Rooted in the Christian Quaker tradition of contemplation that inspires action, Earlham School of Religion prepares theologically diverse students for a pluralistic world. Our curriculum unites spiritual formation, academic study, social engagement, and vital ministry."
Electroslag remelting (ESR), also known as electro-flux remelting, is a process of remelting and refining steel and other alloys for mission-critical applications in aircraft, thermal power stations, nuclear power plants, military technology and others.
In electrical engineering, dielectric loss quantifies a dielectric material's inherent dissipation of electromagnetic energy. It can be parameterized in terms of either the loss angleδ or the corresponding loss tangenttan(δ). Both refer to the phasor in the complex plane whose real and imaginary parts are the resistive (lossy) component of an electromagnetic field and its reactive (lossless) counterpart.
The European Society of Radiology (ESR) is an international medical society based in Vienna, Austria dedicated to the promotion and coordination of scientific, philanthropic, intellectual and professional activities of radiology in Europe. In addition to various other activities, the ESR serves as an umbrella organisation for European radiologists, organises the annual European Congress of Radiology (ECR) and coordinates the publication of European Radiology, a monthly peer-reviewed medical journal. Additionally, the ESR pilots the harmonisation of teaching programmes throughout Europe with various activities and initiatives.
The Institute of Environmental Science and Research (ESR) is a New Zealand Crown Research Institute (CRI). Its purpose is to deliver scientific and research services to the public health, food safety, security and justice systems, and the environmental sector to improve the safety of, and contribute to the economic, environmental and social well-being of people and communities in New Zealand.
In the philosophy of science, structuralism asserts that all aspects of reality are best understood in terms of empirical scientific constructs of entities and their relations, rather than in terms of concrete entities in themselves.
The Cranbrook and Tenterden Light Railway was a railway line which was to have linked the Hawkhurst Branch Line with the Rother Valley Railway in Kent. Although it received authorisation for its construction, only a short section of it was ever built. This section is open today as part of the Kent and East Sussex Railway.
An ESR meter is a two-terminal electronic measuring instrument designed and used primarily to measure the equivalent series resistance (ESR) of real capacitors; usually without the need to disconnect the capacitor from the circuit it is connected to. Other types of meters used for routine servicing, including normal capacitance meters, cannot be used to measure a capacitor's ESR, although combined meters are available that measure both ESR and out-of-circuit capacitance. A standard (DC) milliohmmeter or multimeter cannot be used to measure ESR, because a steady direct current cannot be passed through the capacitor. Most ESR meters can also be used to measure non-inductive low-value resistances, whether or not associated with a capacitor; this leads to several additional applications described below.
Statistics of Latvian Higher League in the 1966 season.
Sharp Gallaher Racing is a disbanded NASCAR team based in Mooresville, North Carolina that competed in the ARCA Racing Series and the NASCAR Camping World Truck Series. The team fielded the No. 6 Chevrolet Silverado for Justin Lofton and various other drivers and the No. 8 Chevrolet for Max Gresham.
Electron spin resonance dating, or ESR dating, is a technique used to date materials which radiocarbon dating cannot, including minerals, biological materials, archaeological materials and food. Electron spin resonance dating was first introduced to the science community in 1975, when Japanese nuclear physicist Motoji Ikeya dated a speleothem in Akiyoshi Cave, Japan. ESR dating measures the amount of unpaired electrons in crystalline structures that were previously exposed to natural radiation. The age of a substance can be determined by measuring the dosage of radiation since the time of its formation.
The 2018–19 Tunisian Ligue Professionnelle 2 is the 64th season since Tunisia's independence.
Headcorn Junction railway station was the Kent and East Sussex Railway's northern terminus. It was adjacent to the South Eastern and Chatham Railway's Headcorn station. It opened in 1905 and closed in January 1954.
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