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Contact mechanics is the study of the deformation of solids that touch each other at one or more points. [1] [2] A central distinction in contact mechanics is between stresses acting perpendicular to the contacting bodies' surfaces (known as normal stress) and frictional stresses acting tangentially between the surfaces (shear stress).
In clouds warmer than about −37 °C where liquid water can persist in a supercooled state, ice nuclei can trigger droplets to freeze. [1] Contact nucleation can occur if an ice nucleus collides with a supercooled droplet, but the more important mechanism of freezing is when an ice nucleus becomes immersed in a supercooled water droplet and ...
Telexfree (stylized as TelexFREE), a trade name owned by Telexfree Inc., was a multibillion-dollar Ponzi scheme disguised as an internet phone service company. Prosecutors have described it as the largest fraud of all time in terms of the number of people affected - more than 1 million, with victims in various countries.
Freeze-cast alumina that has been partially sintered. The freezing direction in the image is up. Freeze-casting, also frequently referred to as ice-templating, freeze casting, or freeze alignment, is a technique that exploits the highly anisotropic solidification behavior of a solvent (generally water) in a well-dispersed solution or slurry to controllably template directionally porous ...
The three basic types of radiant cooling are direct, indirect, and fluorescent: Direct radiant cooling - In a building designed to optimize direct radiation cooling, the building roof acts as a heat sink to absorb the daily internal loads. The roof acts as the best heat sink because it is the greatest surface exposed to the night sky.
Freezing drizzle is extremely dangerous to aircraft in icing conditions, as the supercooled water droplets will freeze onto the airframe, degrading aircraft performance considerably. The loss and accident of American Eagle Flight 4184 on October 31, 1994, has been attributed to ice buildup due to freezing drizzle aloft.
Even with the maximum row advantage, Quattro Pro has been a distant second to Excel, in terms of sales numbers, since approximately 1996 to the present. [ citation needed ] When version 1.0 was in development, it was codenamed "Buddha" since it was meant to "assume the Lotus position", #1 in the market.
EuroOffice is a derivative of LibreOffice with free and non-free extensions, for the Hungarian language and geographic detail, developed by Hungarian-based MultiRacio Ltd. [266] [267] "NDC ODF Application Tools" is a derivative of LibreOffice provided by the Taiwan National Development Council (NDC) and used by public agencies in Taiwan.