翻訳と辞書 Words near each other ・ Pack River ・ Pack River (British Columbia) ・ Pack Saddle ・ Pack saddle ・ Pack station ・ Pack Up ・ Pack Up the Cats ・ Pack Up Your Troubles ・ Pack Up Your Troubles (1939 film) ・ Pack Up Your Troubles in Your Old Kit-Bag ・ Pack Your Bags ・ Pack, Kentucky ・ Pack, Styria ・ Pack-in game ・ Pack-In-Video ・ Pack-year ・ Pack200 ・ Package ・ Package (OS X) ・ Package (UML) ・ Package boiler ・ Package Deal (TV series) ・ Package delivery ・ Package development process ・ Package diagram ・ Package film ・ Package format ・ Package forwarding ・ Package insert ・ Package loan Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Pack-year ： ウィキペディア英語版 Pack-year A pack-year is a quantification of cigarette smoking. ==Definition== The pack-year is a unit for measuring the amount a person has smoked over a long period of time. It is calculated by multiplying the number of packs of cigarettes smoked per day by the number of years the person has smoked. For example, 1 pack-year is equal to smoking 20 cigarettes (1 pack) per day for 1 year, or 40 cigarettes per day for half a year, and so on.〔http://www.cancer.gov/dictionary?CdrID=306510 National Cancer Institute definition of pack year〕 One pack-year is the equivalent of 365.24 packs of cigarettes or 7,305 cigarettes. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Pack-year」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.