Self-contained breathing apparatus — SCBA redirects here. For other uses, see SCBA (disambiguation). Not to be confused with the very similar Self Contained Underwater Breathing Apparatus. Toronto firefighter wearing an SCBA A self contained breathing apparatus, or SCBA, sometimes… … Wikipedia
Infiltration — The uncontrolled inward leakage of air through cracks and gaps in the building envelope, especially around windows, doors and duct systems. California Energy Comission. Dictionary of Energy Terms … Energy terms
коэффициент подсоса воздуха — Показатель, выражаемый процентным отношением концентрации тест вещества под лицевой частью СИЗОД к его концентрации в атмосфере испытательной камеры, определяемый при условиях, когда воздух проникает под лицевую часть по полосе обтюрации, через… … Справочник технического переводчика
коэффициент проникания — Показатель, выражаемый процентным отношением концентрации тест вещества под лицевой частью СИЗОД к концентрации тест вещества в атмосфере испытательной камеры, определяемый на испытателе. [ГОСТ Р 12.4.233 2007] коэффициент проникания Величина,… … Справочник технического переводчика
Membrane potential — Differences in concentration of ions on opposite sides of a cellular membrane lead to a voltage called the membrane potential. Many ions have a concentration gradient across the membrane, including potassium (K+), which is at a high inside and a… … Wikipedia
Fusion power — The Sun is a natural fusion reactor. Fusion power is the power generated by nuclear fusion processes. In fusion reactions two light atomic nuclei fuse together to form a heavier nucleus (in contrast with fission power). In doing so they release a … Wikipedia
turbine — /terr bin, buyn/, n. any of various machines having a rotor, usually with vanes or blades, driven by the pressure, momentum, or reactive thrust of a moving fluid, as steam, water, hot gases, or air, either occurring in the form of free jets or as … Universalium
Action potential — In physiology, an action potential is a short lasting event in which the electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory. Action potentials occur in several types of animal cells, called… … Wikipedia
ventilating — Natural or mechanically induced movement of fresh air into or through an enclosed space. The hazards of poor ventilation were not clearly understood until the early 20th century. Expired air may be laden with odors, heat, gases, or dust.… … Universalium
Tin can — A tin can, also called a tin (especially in British English) or a can, is an air tight container for the distribution or storage of goods, composed of thin metal, and requiring cutting or tearing of the metal as the means of opening. Cans hold… … Wikipedia
Centrifugal pump — Warman centrifugal pump in a coal preparation plant application A centrifugal pump is a rotodynamic pump that uses a rotating impeller to create flow by the addition of energy to a fluid. Centrifugal pumps are commonly used to move liquids… … Wikipedia
