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Speleology
Speleology (also spelled spelæology or spelaeology) is the scientific study of caves and other karst features, their make-up, structure, physical properties, history, life forms, and the processes by which they form (speleogenesis) and change over time (speleomorphology). The term speleology is also sometimes applied to the recreational activity of exploring caves, but this is more properly known as caving, spelunking or potholing. Speleology and caving are often connected, as the physical skills required for in situ study are the same. Speleology is a cross-disciplinary field that combines the knowledge of chemistry, biology, geology, physics, meteorology and cartography to develop portraits of caves as complex, evolving systems.
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冕洞
Astronomy; General astronomy
太陽的日冕出現暗時查看遠紫外線或 x 射線長波長範圍內的區域。冕洞被認為是與有他們遠離太陽彎的場線快速的太陽風的關聯。太陽極地地區被認為包含永久冕洞。 ...
電暈
Astronomy; General astronomy
最外層的 sun´s 氣氛很熱,起到 1-1.5 萬度以下,和是太陽風的來源。日冕是日全食期間僅肉眼可見。此外可以通過觀察通過特殊的光學篩檢程式和船上的衛星的 x 射線攝影機的 ...
黑醋
Personal care products; Perfume
它是一個可以被描述為甜、 軟、 溫馨的香味印象。基本上,從使用 balsams 和樹脂香水作文中的黑醋債券結果。東方特別是香水的特點是黑醋的成分。 ...