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Unobtainium (or unobtanium) is a term used in fiction, engineering, and common situations for a material ideal for a particular application but impractically difficult or impossible to obtain.
Dimension tables are not conformed if the attributes are labeled differently or contain different values. Conformed dimensions come in several different flavors. At the most basic level, conformed dimensions mean exactly the same thing with every possible fact table to which they are joined.
# dimensions # dimensions in cube # hierarchies in dimension # levels in hierarchy # dimension members Apache Doris Unrestricted Unrestricted Unrestricted Unrestricted Unrestricted Unrestricted Unrestricted Apache Druid: Unrestricted [a] Unrestricted Unrestricted Unrestricted Unrestricted Unrestricted Unrestricted Apache Kylin: Unrestricted ...
Mineral resource estimation is used to determine and define the ore tonnage and grade of a geological deposit, from the developed block model.There are different estimation methods used for different scenarios dependent upon the ore boundaries, geological deposit geometry, grade variability and the amount of time and money available.
There are several critical research challenges in geographic knowledge discovery and data mining. Miller and Han [34] offer the following list of emerging research topics in the field: Developing and supporting geographic data warehouses (GDW's): Spatial properties are often reduced to simple aspatial attributes in mainstream data warehouses ...
The Georgia Marble Company was founded in 1884 by Samuel Tate. Tate leased out all the land in Pickens County, Georgia, which contained rich Georgia marble.Pickens County has a vein of marble 5 to 7 miles (8.0 to 11.3 km) long, a half mile wide, and up to 2,000 feet (610 m) deep.
There are two principal phases of underground mining: development mining and production mining. Development mining is composed of excavation almost entirely in (non-valuable) waste rock in order to gain access to the orebody. There are six steps in development mining: remove previously blasted material (muck out round), scaling (removing any unstable slabs of rock hanging from the roof and ...
The GMZ-3 (Russian: ГМЗ-3, Russian: Гусеничный минный заградитель-3, romanized: Gusenichnyi minnyi zagraditel-3 or "Tracked Minelayer-3") is an armoured minelaying vehicle developed for the Engineering Forces of the Soviet Armed Forces.