effective contact area
81Heat transfer coefficient — The heat transfer coefficient, in thermodynamics and in mechanical and chemical engineering, is used in calculating the heat transfer, typically by convection or phase change between a fluid and a solid::Delta Q=h cdot A cdot Delta T cdot Delta… …
82Proto-Germanic — Infobox Language name=Proto Germanic nativename= pronunciation= region=Northern Europe extinct=evolved into Proto Norse, Gothic, Frankish and Ingvaeonic by the 4th century familycolor=Indo European fam2=Germanic script=Elder Futhark iso2=gem 750… …
83Bottom bracket — A square taper cartridge bottom bracket. The bottom bracket on a bicycle connects the crankset to the bicycle and allows the crankset to rotate freely. It contains a spindle that the crankset attaches to, and the bearings that allow the spindle… …
84Adhesion — is the tendency of certain dissimilar molecules to cling together due to attractive forces.Mechanisms of adhesionFive mechanisms have been proposed to explain why one material sticks to another:Mechanical adhesionAdhesive materials fill the voids …
85iron processing — Introduction use of a smelting process to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of iron and of its preparation for smelting. Iron (Fe) is a… …
86line — line1 [līn] n. [ME merging OE, a cord, with OFr ligne (both < L linea, lit., linen thread, n. use of fem. of lineus, of flax < linum, flax)] 1. a) a cord, rope, wire, string, or the like b) a long, fine, strong cord with a hook, sinker,… …
87Thiele/Small — commonly refers to a set of electromechanical parameters that define the specified low frequency performance of a loudspeaker driver. These parameters are published in specification sheets by driver manufacturers so that designers have a guide in …
88New Horizons — For other uses, see New Horizons (disambiguation). New Horizons Operator NASA Major contractors Applied Physics Laboratory (APL) Southwest Research Institute (SwRI) …
89Pes cavus — Classification and external resources High arch in foot of a person with a hereditary neuropathy ICD 10 Q …
90Sewage sludge treatment — described the processes used to manage and dispose of the sludges produced during sewage treatment.ources of sludgeCoarse primary solids and secondary biosolids accumulated in a wastewater treatment process must be treated and disposed of in a… …
