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Library & information science
A multidisciplinary field that focuses on the practices, tools of management, information technology, education, and other perspectives to libraries; the collection, organization, preservation, and dissemination of information resources; and the political economy of information.
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蒸餾
Personal care products; Perfume
蒸汽蒸餾是最常用的香精油生產過程。在此過程中,通過蒸餾材料和掃描與它一起香精油蒸汽流動。冷卻後,蒸餾水分開的精油在所謂的佛羅倫斯燒瓶中。 ...
封裝
Personal care products; Perfume
香水業意義上的字,封裝香水油括微膠囊的手段。這些膠囊可以應用於與酒精的香水一起皮膚。擦皮膚時,膠囊被打破並釋放的油的香味,"續訂"香水。測試涉及這種鮮活的方法取得的紡織品。 ...