In-situ in the context of "Mithraeum"

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⭐ Core Definition: In-situ

In situ is a Latin phrase meaning 'in the place' or 'on site', derived from in ('in') and situ (ablative of situs, lit. 'place'). The term refers to studying or working with something in its natural or original location rather than moving it elsewhere. This approach preserves environmental factors and relationships that might be lost when materials or specimens are relocated to controlled settings. In comparison, ex situ ('out of the place') methods involve removing materials or specimens for study, preservation, or modification under controlled conditions, often at the expense of their original context. The earliest recorded use of in situ in English dates back to the mid-17th century. Its use in scientific literature expanded from the late 19th century onward, beginning in medicine and engineering, and later spreading to a wide range of disciplines.

The natural sciences typically use in situ methods to study phenomena in their original context. In geology, field studies of soil composition and rock formations may provide direct insights into Earth's processes. Biologists observe organisms in their natural habitats to understand behaviors and ecological interactions that cannot be reproduced in a laboratory. In chemistry and experimental physics, in situ techniques make it possible to watch substances and reactions as they occur, capturing transient phenomena in real time.

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👉 In-situ in the context of Mithraeum

A Mithraeum (Latin pl. Mithraea), sometimes spelled Mithreum and Mithraion (Ancient Greek: Μιθραίον), is a temple erected in classical antiquity by the worshippers of Mithras. Most Mithraea can be dated between 100 BC and 300 AD, mostly in the Roman Empire.

The Mithraeum was either an adapted natural cave, cavern, or building imitating a cave. Where possible, the Mithraeum was constructed within or below an existing building, such as the Mithraeum found beneath the Basilica of San Clemente in Rome. While most Mithraea are underground, some feature openings in the ceiling to allow light to enter, a reminder of the connection to the universe and the passage of time. The site of a Mithraeum may also be identified by its singular entrance or vestibule, which stands across from an apse at the back of which stands an altar on a pedestal, often in a recess, and its "cave", called the Spelaeum or Spelunca, with raised benches along the side walls for the ritual meal. Many mithraea that follow this basic plan are scattered over much of the Roman Empire's former territory, mainly where the legions were stationed along the frontiers (such as Britain). Others may be recognized by their characteristic layout, even though converted into crypts beneath Christian churches.

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In-situ in the context of Data

Data (/ˈdeɪtə/ DAY-tə, US also /ˈdætə/ DAT-ə) are a collection of discrete or continuous values that convey information, describing the quantity, quality, fact, statistics, other basic units of meaning, or simply sequences of symbols that may be further interpreted formally. A datum is an individual value in a collection of data. Data are usually organized into structures such as tables that provide additional context and meaning, and may themselves be used as data in larger structures. Data may be used as variables in a computational process. Data may represent abstract ideas or concrete measurements.Data are commonly used in scientific research, economics, and virtually every other form of human organizational activity. Examples of data sets include price indices (such as the consumer price index), unemployment rates, literacy rates, and census data. In this context, data represent the raw facts and figures from which useful information can be extracted.

Data are collected using techniques such as measurement, observation, query, or analysis, and are typically represented as numbers or characters that may be further processed. Field data are data that are collected in an uncontrolled, in-situ environment. Experimental data are data that are generated in the course of a controlled scientific experiment. Data are analyzed using techniques such as calculation, reasoning, discussion, presentation, visualization, or other forms of post-analysis. Prior to analysis, raw data (or unprocessed data) is typically cleaned: Outliers are removed, and obvious instrument or data entry errors are corrected.

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In-situ in the context of Electrosynthesis

In electrochemistry, electrosynthesis is the synthesis of chemical compounds in an electrochemical cell. Compared to ordinary redox reactions, electrosynthesis sometimes offers improved selectivity and yields. In electrosynthesis, the reactants are activated in-situ using energy from an applied electric field. Electrosynthesis may be better aligned with principles of Green Chemistry compared to reactions using traditional stoichiometric reagents; they may improve energy efficiency, waste, safety or atom economy. However, it may still require hazardous solvents, electrolytes, conductivity aids, or sacrificial reagents, which must be considered. Electrosynthesis is actively studied as a science and also has industrial applications. Electrooxidation has potential for wastewater treatment as well.

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LINKED FROM (PARENTS)
← Data ← Datum ← Data (information) ← Electrosynthesis ← Mithraeum ← Scientific data
LINKS TO (CHILDREN)
Latin → Ablative case → Material → Biological specimen → Scientific literature → Natural science → Phenomena → Geology → Soil → Formation of rocks → Habitat → Chemistry → Experimental physics → Chemical reaction →