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Urban climatology is the study of urban climates. It is a subfield of climatology that investigates climate in urban contexts. It is a subfield of…

Oceanic trenches are long, narrow, and very deep depressions in the ocean floor. They are the deepest sections of the Earth’s oceans, generated mostly by…

Conformational isomerism is the phenomenon in which molecules can exist in distinct spatial configurations due to rotation around single bonds. In chemistry, it is a…

Cyclopentyne, a cyclic hydrocarbon, with the chemical formula C₅H₆. It is a cycloalkyne with five carbon atoms in its ring. It is a highly reactive…

A photoionization detector (PID) is a type of gas detector. It is a type of gas detector that is widely used in industrial hygiene, environmental…

A machine-tool dynamometer is a device for measuring cutting forces and torque during machining processes. It is a multi-component dynamometer that is used to measure…

A dynamometer is a device for measuring force, torque, and power. A dynamometer, or “dyno,” is a device that measures the torque and rotational speed…

Nascent hydrogen is an antiquated idea in organic chemistry that was originally used to explain dissolving-metal reactions like the Clemmensen reduction and the Bouveault-Blanc reduction.…

Metallization pressure is the amount of pressure necessary to convert a nonmetallic chemical element into a metal. It mainly refers to the pressure required to…

An induction regulator is an alternating current electrical machine, similar to an induction motor, that can generate a continuously changeable output voltage. It is a…

An induction coil (sometimes known as a “spark coil”) is a type of electrical transformer that generates high-voltage pulses from a low-voltage direct current (DC)…

An inflatable building is a structure comprised of two layers of membrane joined together, often using spars of the same material. These structures are often…