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...quality of [[concrete]] and natural rocks. In this test, the strength and quality of concrete or rock is assessed by measuring the velocity of an [[Ultrasoni ...ken by pulse to get through the structure. Higher velocities indicate good quality and continuity of the material, while slower velocities may indicate concre ...

{{Short description|Risk management of underwater diving activities}} ...l to even short-term survival. Other equipment allows the diver to operate in relative comfort and efficiency, or to remain healthy over the longer term. ...

...st=Julia |editor2-last=Krug |editor2-first=Manfred |title=Research Methods in Language Variation and Change: Computer mapping of language data |date= 24 In teaching technical geography, instructors often need to fall back on exampl ...

...of computer science''' is a list of definitions of terms and concepts used in [[computer science]], its sub-disciplines, and related fields, including te ...tics}}) from the point of view of a {{gli|user}} of the data, specifically in terms of possible values, possible operations on data of this type, and the ...

...lden Age''' was a period of scientific, economic, and cultural flourishing in the [[history of Islam]], traditionally dated from the 8th century to the 1 ...ts|Mongol invasions]] and the [[Siege of Baghdad (1258)|Siege of Baghdad]] in 1258.<ref name="Tahir Abbas">{{cite book|title=Islamic Radicalism and Multi ...