electrical survey measurement
1radiation measurement — ▪ technology Introduction technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement. The term ionizing radiation refers to those… …
2Theory of conjoint measurement — The theory of conjoint measurement (also known as conjoint measurement or additive conjoint measurement) is a general, formal theory of continuous quantity. It was independently discovered by the French economist Gerard Debreu (1960) and by the… …
3List of unusual units of measurement — For units of measure primarily used in countries where English is not the main language, see the article specific to that country, a list of which can be found in the systems of measurement article. An unusual unit of measurement is a unit of… …
4undersea exploration — Introduction the investigation and description of the ocean waters and the seafloor and of the Earth beneath. Primary objectives and accomplishments Included in the scope of undersea exploration are the physical and chemical… …
5Schlumberger brothers — Conrad Schlumberger (2 October 1878 in Guebwiller – 9 May 1936 in Stockholm) and Marcel Schlumberger (21 June 1884 in Guebwiller – 9 May 1953 in Val Richer) were brothers from the Alsace region in France. Their inventions in the area of… …
6Dark energy — Not to be confused with dark matter, dark fluid, or dark flow. Physical cosmology …
7depth finder — ▪ measurement device also called echo sounder device used on ships to determine the depth of water by measuring the time it takes a sound (sonic pulse) produced just below the water surface to return, or echo, from the bottom of the body… …
8Conversion of units — is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors. Contents 1 Techniques 1.1 Process 1.2 Multiplication factors …
9Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
10Metrication in the United Kingdom — The metric and imperial systems of measurement are used side by side in the United Kingdom: Eurostar s design speed is cited both as 300 km/h [1] and as 186 mph .[2] Metrication in the United Kingdom is the pr …
