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efflorescence (bloom (clouding condition), <conditions and effects by specific type>, Conditions and Effects (hierarchy name)) |
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Note: A white powdery crust formed by extraneous salts evolving on the surface of stone, plaster, ceramics, or another material as the result of water migration and subsequent evaporation. Typical efflorescence on masonry surfaces, mural paintings, and frescoes occurs when moisture dissolves water soluble salts, then migrates to the surface, where the water evaporates leaving a salt residue. Efflorescence crystal growth can result from fluctuations in water vapor pressure that occur with changing humidity and temperature. The salts most commonly found in efflorescence are sulfates, carbonates, and chlorides of sodium, potassium, magnesium, calcium, and iron. |
Terms: |
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efflorescence (preferred,C,V,LC,English-P,D,U,U)
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白華 (C,U,Chinese (traditional)-P,D,U)
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析晶 (C,U,Chinese (traditional),UF,U)
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風化 (C,U,Chinese (traditional),UF,U)
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霜華 (C,U,Chinese (traditional),UF,U)
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白霜 (C,U,Chinese (traditional),UF,U)
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bái huà (C,U,Chinese (transliterated Hanyu Pinyin)-P,UF,U)
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bai hua (C,U,Chinese (transliterated Pinyin without tones)-P,UF,U)
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pai hua (C,U,Chinese (transliterated Wade-Giles)-P,UF,U)
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efflorescentie (C,U,Dutch-P,D,U,U)
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eflorescencia (C,U,Spanish-P,D,U,U)
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Facet/Hierarchy Code: D.DE |
Hierarchical Position:
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Physical Attributes Facet |
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.... Conditions and Effects (hierarchy name) (G) |
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........ <conditions and effects by specific type> (G) |
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............ bloom (clouding condition) (G) |
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................ efflorescence (G) |
Additional Notes: |
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Chinese (traditional) ..... 一種鬆散黏附的物質,通常為白色晶體粉末狀沈積物,見於石頭、磚塊、嵌片或水泥製品之表面,為可溶性鹽分吸附至物件表面後晶化而成。 |
Dutch ..... Een losjes hechtende substantie, meestal een wit kristallijnen poederachtige afzetting op het oppervlak van (bak)steen, mozaïekblokjes of cement, veroorzaakt doordat oplosbare zouten worden aangetrokken tot het oppervlak, waar ze vervolgens kristalliseren. |
Spanish ..... Un depósito de polvo blanco en la superficie de una piedra, ladrillo u obra de concreto, causado por sales solubles que afloran a la superficie cuando cristalizan. |
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