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| | caisson | (เค'เซิน) n. หีบกระสุน, รังกระสุน, หีบลม, ห้องใต้น้ำมีอากาศสำหรับสร้างสะพาน, กระบอกลอยอัดอากาศสำหรับยกเรือที่จม, รถใส่กระสุน, See also: caissoned, adj. |
| | caisson | (n) ลังกระสุน, รถบรรทุกอาวุธ |
| | | Caisson | ถัง [การแพทย์] | | Caisson Disease | โรคที่เกิดจากการลดความดันของบรรยากาศ, โรคกระดูกตายจากการเปลี่ยนความดันบรรยากาศ [การแพทย์] |
| | | | | Caisson | n. [ F., fr. caisse, case, chest. See 1st Case. ] 1. (Mil.) (a) A chest to hold ammunition. (b) A four-wheeled carriage for conveying ammunition, consisting of two parts, a body and a limber. In light field batteries there is one caisson to each piece, having two ammunition boxes on the body, and one on the limber. Farrow. (c) A chest filled with explosive materials, to be laid in the way of an enemy and exploded on his approach. [ 1913 Webster ] 2. (a) A water-tight box, of timber or iron within which work is carried on in building foundations or structures below the water level. (b) A hollow floating box, usually of iron, which serves to close the entrances of docks and basins. (c) A structure, usually with an air chamber, placed beneath a vessel to lift or float it. [ 1913 Webster ] 3. (Arch.) A sunk panel of ceilings or soffits. [ 1913 Webster ]
Pneumatic caisson (Engin.), a caisson, closed at the top but open at the bottom, and resting upon the ground under water. The pressure of air forced into the caisson keeps the water out. Men and materials are admitted to the interior through an air lock. See Lock. [ 1913 Webster ]
| | Caisson disease | . (Med.) A disease frequently induced by remaining for some time in an atmosphere of high pressure, as in caissons, diving bells, etc. It is characterized by neuralgic pains and paralytic symptoms. It is caused by the release of bubbles of gas, usually nitrogen, from bodily fluids into the blood and tissues, when a person, having been in an environment with high air pressure, moves to a lower pressure environment too rapidly for the excess dissolved gases to be released through normal breathing. It may be fatal, but can be reversed or alleviated by returning the affected person to a high air pressure, and then gradually decreasing the pressure to allow the gases to be released from the body fluids. It is a danger well known to divers. It is also called the bends and decompression sickness. It can be prevented in divers by a slow return to normal pressure, or by using a breathing mixture of oxygen combined with a gas having low solubility in water, such as helium. [ Webster 1913 Suppl. +PJC ] |
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