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  • Home - WIKA Instrument, LP

    WIKA Part of your business Solutions for pressure, temperature, force and level measurement, flow measurement, calibration and SF 6 gas solutions from WIKA are an integral component of our customers' business processes.

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  • Dilution of precision (GPS) - GIS Wiki | The GIS Encyclopedia

    May 11, 2011 · Thus a low DOP value represents a better GPS positional accuracy due to the wider angular separation between the satellites used to calculate a GPS unitposition. Other factors that can increase the effective DOP are obstructions such as nearby mountains or buildings. DOP can be expressed as a number of separate measurements.

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  • Products - WIKA USA

    With WIKA as partner you have access to our unique know-how and product range around the world. Whether you want to measure to 0.5 mbar or to 15,000 bar, whether 250 °C below zero or 1,800 °C above, whether in clean room or on an oil rig: For every industry and in every situation we offer first-class performance and reliability.

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  • Switchgear - Wikipedia

    A switchgear may be a simple open-air isolator switch or it may be insulated by some other substance. An effective although more costly form of switchgear is the gas-insulated switchgear (GIS), where the conductors and contacts are insulated by pressurized sulfur hexafluoride gas (SF 6). Other common types are oil or vacuum insulated switchgear.

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  • Modifiable areal unit problem - GIS Wiki | The GIS Encyclopedia

    BackgroundSuggested SolutionsMaup Sensitivity AnalysisExamplesReferencesThe issue was discovered in 1934, but the term MAUP was first coined and described in detail by Openshaw, who lamented that "the areal units (zonal objects) used in many geographical studies are arbitrary, modifiable, and subject to the whims and fancies of whoever is doing, or did, the aggregating". The problem is especially apparent when the aggregate data are used for cluster analysis for spatial epidemiology, spatial statistics or choropleth mapping, in which misinterpretations can easily be made without realizing it. Many fields of science, especially human geography are prone to disregard the MAUP when drawing inferences from statistics based on aggregated data. MAUP is closely related to the topic of ecological fallacyand ecological bias. Ecological bias caused by MAUP has been documented as two separate effects that usually occur simultaneously during the analysis of aggregated data. The scale effect causes variation in statistical results between different levels of aggrega...

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  • Spatial Analysis - GIS Wiki | The GIS Encyclopedia

    The History of Spatial AnalysisFundamental Issues in Spatial AnalysisTypes of Spatial AnalysisGeographic Information Science and Spatial AnalysisSee AlsoFurther ReadingExternal LinksSpatial analysis could be considered to have arisen with the early attempts at cartography and surveying but many fields have contributed to its rise in modern form. For example, biology contributed through botanical studies of global plant distributions and local plant locations, ethological studies of animal movement, ecological studies of vegetation blocks, ecological studies of spatial population dynamics, and the study of biogeography. Epidemiology contributed with early work on disease...

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  • Gruppo di Intervento Speciale | Military Wiki | Fandom

    HistoryOrganization and RecruitmentAlliancesWeaponsin FictionIn the fall of 1977, the CarabinieriHQ decided to establish a CT Unit to counter the growing terrorist phenomena. Few months later, the GIS "Gruppo Intervento Speciale" was born. GIS is the Carabinieri CT unit and it responds directly to the Carabinieri HQ and to the Ministry of Interior. The focus of GIS has always been on very high risk CT operations, such as the storming of hijacked aircraft.

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  • Cost Distance Analysis - GIS Wiki | The GIS Encyclopedia

    Cost DistanceCost Path AnalysisCost-Based AllocationCorridor AnalysisThe cost distance tool is similar to Euclidean distance raster tools, but instead of calculating the actual distance from a given cell to the rest of the cells, the cost distance tools determine the shortest weighted distance (or accumulated travel cost) from each cell to the nearest source location. These tools apply distance in cost units, not in geographic units.The cost distance tool requires one or more source locations and a cost raster as input.Each cell of the resultant cost distance grid contains the minimal total cost to travel from the given source location(s) to that cell. Simultaneously, this tool creates a second raster grid known as a backlink rasterthat encodes, for each cell, the direction to the neighboring cell with the lowest cost (i.e., where a lowest-cost path would have come from to get to this cell). Usually the value is a coded direction, such as a number between 0-7. The basic brute-force algorithm to compute cost distance is as follows, basically spreading...

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  • Air separation - Wikipedia

    An air separation plant separates atmospheric air into its primary components, typically nitrogen and oxygen, and sometimes also argon and other rare inert gases. The most common method for air separation is fractional distillation. Cryogenic air separation units (ASUs) are built to provide nitrogen or oxygen and often co-produce argon.

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  • Geographic Information Systems (GIS) | Washtenaw County, MI

    Geographic Information Systems (GIS) The GIS Program creates, maintains, and analyzes county geospatial data and develops maps and applications to present this data to users. Check out the Maps page for maps, applications, and other related resources.

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  • Wave equation - Wikipedia

    The wave equation is a partial differential equation that may constrain some scalar function u = u (x 1, x 2, …, x n; t) of a time variable t and one or more spatial variables x 1, x 2, …, x n. The quantity u may be, for example, the pressure in a liquid or gas, or the displacement , along some specific direction, of the particles of a

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  • Geographically Separate Unit - Wikipedia

    In the United States military a Geographically Separate Unit (GSU) is a base that is physically separate from, yet not autonomous of its "parent" base. GSUs are "owned" by their parent organization and are typically quite small.

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  • TUFLOW to GIS - Tuflow

    The output will contain arrows as polygons to display vector data (eg. velocities and unit flows) in GIS. Must be used with the -mif or -shp option. "-slant<slant factor" Changes the arrow head slant in the vector GIS output above. The default is -slant12 which gives 30 degree arrow head according to the equation ((180/slant)*2) "-t<output time"

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  • Angular unit - GIS Wiki | The GIS Encyclopedia

    Definition. The unit of measurement on a map, typically degrees. Meridians and parallels are defined in angular units.. References ↑ ESRI. "Support." GIS Dictionary.

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  • GIS Integrates and Transforms Sewer Operations

    GIS data resides outside the asset database in a separate geodatabase. GIS feature classes are registered as objects in the asset database, keeping the data separate but available for use in all systems. GIS attribute data would be fully accessible via the geodatabase interface, which would use an Esri SQL API to integrate the database.

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  • Housing segregation in the United States - Wikipedia

    Specifically, the spatial separation of specific populations due to housing segregation leads to geographic concentrations of quality education. For example, public schools in suburban areas are usually more equipped with resources, have a higher percentage quality teachers, and produce a larger amount of successful students. [7]

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  • Geographically Separate Unit | Military Wiki | Fandom

    In the United States military a Geographically Separate Unit (GSU) is a base that is physically separate from, yet not autonomous of its "parent" base. GSUs are "owned" by their parent organization and are typically quite small. Assignment to a GSU can be a mixed blessing. The distance from the parent organization means a more relaxed atmosphere. However, it also means that members assigned to

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  • Spacetime - Wikipedia

    An important example is Henri Poincaré,: 73–80,93–95 who in 1898 argued that the simultaneity of two events is a matter of convention. In 1900, he recognized that Lorentz"local time" is actually what is indicated by moving clocks by applying an explicitly operational definition of clock synchronization assuming constant light speed.

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  • Geographic Information Systems 101: Understanding GIS

    Geographic Information Science • Research that studies the theory and concepts that underpin GIS • Establishes a theoretical basis for the technology and use of GIS • Commonly an interdisciplinary approach to research and investigation • Two forms: – Research about GIS that leads to

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  • RFQ / Contact - WIKA USA

    WIKA Part of your business Solutions for pressure, temperature, force and level measurement, flow measurement, calibration and SF 6 gas solutions from WIKA are an integral component of our customers' business processes.

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  • GIS Flashcards

    Obtained by surface observation of angular altitude of the visible pole. Due to flattening of the geoellipsoid, local plumb variates from geocentric in relation to distance from the equator and poles, and length of a geofractional meridional line will vary in length by latitude, increasing towards the pole.

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  • Gas density indicators - Product overview - WIKA USA

    Gas density indicators from WIKA are hermetically sealed and temperature-compensated. Find the right instrument from us for on-site monitoring of SF6 density.

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  • Application of Geospatial Technology to Improve Operational

    Using Open Source Software, Quantum GIS (QGIS) for managing, capturing, and registering network maintenance information Being used by network personnel in unit office (52 users) Application of Quantum GIS (QGIS)

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  • AFP Communications, Electronics and - Military Wiki

    The AFP Communications, Electronics, and Information Systems Service,2345 is one the Armed Forces of the Philippines' Wide Support Units tasked in providing, managing, and maintaining electronic, communication, and information systems equipment of the Philippine Military. 701st (PHILCCOM) Signal Battalion (Reserve) Citations Bibliography

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  • Find GIS Data – State CartographerOffice – UW–Madison

    Jan 29, 2021 · DATCP GIS Data We recommend starting your search with [email protected] , the state’s most comprehensive catalog of geospatial data produced by local, state, and regional governments. Cooperatively maintained by the State Cartographer’s Office and Robinson Map Library, [email protected] is an online geoportal that provides discovery and access to

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  • GIS: What is GIS - IN.gov

    The GIS keeps track of this relationship allowing a user to click on the map to get the data or click on the record to find the parcel on the map. It allows questions to be framed geographically GIS is a way of organizing database records by tying them to geographically synchronized slices of the world so that “where” questions can be asked

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  • Geological unit | Fossil Wiki | Fandom

    Lithostratigraphic UnitsChemostratigraphic UnitsSee AlsoSupergroup - two or more groups and lone formationsGroup - two or more formationsFormation - primary unit of lithostratigraphyMember - named lithologic subdivision of a formationSee full list on fossil.fandom.com

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  • Contact form - WIKA USA

    WIKA Part of your business Solutions for pressure, temperature, force and level measurement, flow measurement, calibration and SF 6 gas solutions from WIKA are an integral component of our customers' business processes.

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