insulating system
71Cryosphere — Overview of the Cryosphere and its larger components, from the UN Environment Programme Global Outlook for Ice and Snow. The cryosphere (from the Greek κρύος cryos cold , frost or ice ) is the term which collectively describes the portions of the …
72Thermal conductivity — In physics, thermal conductivity, k, is the property of a material that indicates its ability to conduct heat. It appears primarily in Fourier s Law for heat conduction.First, we define heat conduction by the formula::: H=frac{Delta Q}{Delta t}=k …
73Circuit breaker — For other uses, see Circuit breaker (disambiguation). An air circuit breaker for low voltage (less than 1000 volts) power distribution switchgear …
74Scuba diving — Not to be confused with Self contained breathing apparatus, which describes breathing sets used out of water. Scuba diver Scuba diving ( SCUBA originally being an acronym for self contained underwater breathing apparatus, now widely considered a… …
75Leakage — describes an unwanted loss, or leak, of something which escapes from its proper location. In everyday usage, leakage is the gradual escape of matter through a leak hole. [ [http://www.m w.com/dictionary/leaking Merriam Webster] ] In different… …
76Cool roof — In the world of industrial and commercial buildings, a cool roof is a roofing system that can deliver high solar reflectance (the ability to reflect the visible, infrared and ultraviolet wavelengths of the sun, reducing heat transfer to the… …
77Resistor — A typical axial lead resistor Type Passive Working principle Electrical resistance Invented Ge …
78Thermal insulation — The term thermal insulation can refer to materials used to reduce the rate of heat transfer, or the methods and processes used to reduce heat transfer.Heat energy can be transferred by conduction, convection, radiation or when undergoing a phase… …
79Diving suit — Two divers, one wearing a 1 atmosphere diving suit and the other standard diving dress, preparing to explore the wreck of the RMS Lusitania, 1935 A diving suit is a garment or device designed to protect a diver from the underwater environment.… …
80Coulomb blockade — Schematic representation of an electron tunnelling through a barrier In physics, a Coulomb blockade (abbreviated CB), named after Charles Augustin de Coulomb s electrical force, is the increased resistance at small bias voltages of an electronic… …
