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Extractive Reserves Of Brazil
Extraction may refer to: Science and technology Biology and medicine * Comedo extraction, a method of acne treatment * Dental extraction, the surgical removal of a tooth from the mouth Computing and information science * Data extraction, the process of retrieving data out of data sources * Information extraction * Knowledge extraction * The process of reversing data compression, a.k.a. decompression * The process of choosing elements from a source document, in linguistics Other uses in science and technology * Root extraction, in mathematics, the computation of a th root * Extraction (chemistry), the separation of a substance from a matrix * Primary extraction, the act of removing a spent cartridge from the chamber of a firearm * Fragrance extraction, the process of obtaining fragrant oils and compounds from raw materials * Resource extraction, the process of locating, acquiring and selling any resource ** Petroleum extraction, the process of recovering petroleum from the ground ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Comedo Extraction
Comedo extraction is a widely used method of treatment for acne vulgaris. A dermatologist or cosmetologist may extract blackheads (open comedones) using gentle pressure around the pore opening, and whiteheads (closed comedones) by incision with a large needle or a blade. If performed skillfully, this treatment may be beneficial to the patient. Possible negative effects of the procedure include incomplete extraction, refilling, scarring and tissue damage. There are few articles describing the use of comedo extraction in peer-reviewed dermatology journals. In one study in 1964 of extraction of non-inflamed whiteheads on patients' foreheads (the only study of the procedure cited in a 2007 literature review A literature review is an overview of previously published works on a particular topic. The term can refer to a full scholarly paper or a section of a scholarly work such as books or articles. Either way, a literature review provides the rese ...), the procedure reduced the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |