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The term "potency" refers to the EC 50 value. The lower the EC 50 , the less the concentration of a drug is required to produce 50% of maximum effect and the higher the potency. The EC 10 and EC 90 concentrations to induce 10% and 90% maximal responses are defined similarly.
Mesh is a measurement of particle size often used in determining the particle-size distribution of a granular material.For example, a sample from a truckload of peanuts may be placed atop a mesh with 5 mm openings.
American building codes, while varying from State to State and County to County, generally specify the following parameters: [35] Minimum tread length, typically 10 inches (254 mm) excluding the nosing for private residences. [36] Some building codes also specify a minimum riser height, often 5 inches (127 mm). [37]