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Base curve radius (BCR) or simply base curve (BC) is the measure of an important parameter of a lens in optometry. On a spectacle lens, it is the flatter curvature of the front surface. On a contact lens it is the curvature of the back surface and is sometimes referred to as the back central optic radius (BCOR). Typical values for a contact ...
A backup of an Excel Spreadsheet Add-in (DLL) .xll: Adds custom functionality; written in C++/C, Fortran, etc. and compiled into a special dynamic-link library: Macro .xlm: A macro is created by the user or pre-installed with Excel. Template .xlt: A pre-formatted spreadsheet created by the user or by Microsoft Excel. Module .xlv
Normal contact mechanics or frictionless contact mechanics focuses on normal stresses caused by applied normal forces and by the adhesion present on surfaces in close contact, even if they are clean and dry. Frictional contact mechanics emphasizes the effect of friction forces. Contact mechanics is part of mechanical engineering.
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An online calculator is available on www.tribonet.org that allows calculating Stribeck curve for line [16] and point [17] contacts. These tools are based on the load-sharing concept. Also molecular simulation based on classical force fields can be used for predicting the Stribeck curve. [18] Thereby, underlying molecular mechanisms can be ...
A high-yield savings account can earn you significantly more interest than a traditional savings account, with digital banks and online accounts offering the strongest rates, passing along ...
Comcast shares closed down nearly 10% Monday after Dave Watson, president and CEO of Comcast Cable, said the company expects broadband subscribers to decline by over 100,000 in the current quarter.
Trend analysis can be also used for word usage, how words change in the frequency of use in time (diachronic analysis), in order to find neologisms or archaisms. It relates to diachronic linguistics , a field of linguistics which examines how languages change over time.