surface de contact
71Contact force — In physics, a contact force is a force that acts at the point of contact between two objects,[1] in contrast to body forces. Contact forces are described by Newton s laws of motion, as with all other forces in dynamics. Contact forces are… …
72Surface runoff — Runoff flowing into a stormwater drain Surface runoff is the water flow that occurs when soil is infiltrated to full capacity and excess water from rain, meltwater, or other sources flows over the land. This is a major component of the water… …
73contact — contactual /kon tak chooh euhl/, adj. contactually, adv. /kon takt/, n. 1. the act or state of touching; a touching or meeting, as of two things or people. 2. immediate proximity or association. 3. an acquaintance, colleague, or relative through… …
74contact catalysis — noun : catalysis in which the catalyst is a solid in contact with gaseous or liquid reactants * * * contact catalysis, catalysis at the surface of a solid catalyst. Contact catalysis takes place when hydrogen and oxygen combine at the surface of… …
75contact inhibition — noun : cessation of cellular undulating movements upon contact with other cells with accompanying cessation of cell growth and division * * * Biol. the cessation of movement, growth, and division in cells that touch each other. [1960 65] * * *… …
76Surface area to volume ratio — In chemical reactions involving a solid material, the surface area to volume ratio is an important factor for the reactivity, that is, the rate at which the chemical reaction will proceed. In some industries it is abbreviated sa/vol.Physical… …
77Surface marker buoy — A surface marker buoy, SMB or simply a blob is an inflatable buoy used by scuba divers, with a line, to indicate the diver s position to their surface safety boat while the diver is underwater. Contents 1 Standard buoy 2 Decompression buoy 2.1… …
78Surface de Boy — La surface de Boy, du nom de Werner Boy, mathématicien ayant le premier imaginé son existence en 1902, est une immersion du plan projectif réel , (parfois noté ), dans l espace usuel de dimension 3. se définit comme le quotient de par la relation …
79Surface forces apparatus — The surface force apparatus (SFA) is a scientific instrument and technique pioneered by D. Tabor, R.H.S. Winterton, J.N. Israelachvili in the early 1970s at Cambridge University. By the mid 70 s Israelachvili had adapted the original design to… …
80Surface condenser — A surface condenser is a commonly used term for a water cooled shell and tube heat exchanger installed on the exhaust steam from a steam turbine in thermal power stations.[1][2][3] These condensers are heat exchangers which convert steam from its …
