碳定年法 的英文怎麼說
中文拼音 [tàndìngniánfǎ]
碳定年法
英文
radiocarbon dating-
For decades, archaeologists have used a technique called carbon dating to work out how old their finds are
幾十年來，考古學家已經用名為碳年代測定的方法計算出他們所發現文物的時間。The researchers used radiocarbon dating on 22 pieces of microscopic charcoal found among neandertal tools in fire pits in gorham cave
研究者們使用放射性碳方法為在山洞中發現的22片木炭確定年代Using the technique of radiocarbon dating, they all agreed that the cloth dated to the 13th or 14th century ( 1260 to 1390 )
他們使用放射性碳年代測定法，都同意布料是回溯到十三或十四世紀（ 1260年到1390年） 。In this paper, 4 types of vegetation ( broad - leaved, masson pine, chinese fir and phyllostachy pubescens ), which are widely distributed in subtropical area of southern china, were selected to investigate cotent and spatia - temporal, characteristic of wsoc. two kinds of bamboo { phyllostachy pubescens and phyllostachys praecox ) were used to test the effects of intensive management on soil loc
本文採用野外調研和定位試驗相結合的方法，比較研究了亞熱帶具代表性的常綠闊葉林、馬尾松林、杉木林和毛竹林四種森林類型土壤活性有機碳的含量、空間變異、年動態變化規律及其與土壤其他肥力指標的關系。In 2002, the state assembly passed a law regulating emissions of co2 from vehicles, based on a provision of the clean air act that allows california to adopt stricter pollution standards than the federal government ( other states can then choose to follow the californian standards if they wish )
2002年，該州議會通過法律，控制汽車二氧化碳排放量，其根據就是清潔空氣法案中的一條規定，允許加州採取比聯邦政府更為嚴厲的防止污染標準（其他州如果願意也可以效法加州） 。Antiquities can be dated by measuring their natural radioactivity. popular techniques include " carbon - 14 dating " and " thermoluminescence dating ". they are useful tools in geological, anthropological and archaeological researches
透過量度古物內天然放射性物質的濃度，我們可以鑒定古物所屬的年代，常用的技術包括碳- 14定年法和熱釋光定年法，對地質學人類學及考古學的研究都有莫大的幫助。Antiquities can be dated by measuring their natural radioactivity. popular techniques include " carbon - 14 dating " and " thermoluminescence dating ". they are useful tools in geological, anthropological and archaeological researches. carbon - 14 is produced when cosmic rays bombard the atmosphere
透過量度古物內天然放射性物質的濃度，我們可以鑒定古物所屬的年代，常用的技術包括碳- 14定年法和熱釋光定年法，對地質學、人類學及考古學的研究都有莫大的幫助。A new system of legally binding five year " carbon budgets ", set at least 15 years ahead, to provide clarity on the uk s pathway towards its key targets and increase the certainty that businesses and individuals need to invest in low - carbon technologies
鑒于「碳收支」五年計劃新體系，法案制定了未來十五年的計劃，為英國促成碳減排這一重要目標的實現，確保企業和個人向低碳科技領域投資，提供了一個明確的框架；In its new climate change bill, it proposes " a series of clear targets for reducing carbon dioxide emissions - including making the uk ' s targets for a 60 per cent reduction by 2050 and a 26 to 32 per cent reduction by 2020 legally binding "
在最新的氣候變化方案中，英國政府提議「為降低二氧化碳排放設定一系列明確的目標，包括讓英國在2050年之前減排60 % 、 2020年之前減少26 %至32 %的目標具有法律約束力」 。If the coating is of a great enough thickness, according to gove, it would make the fabric sample seem younger than it should be to the radiocarbon method
依照哈里所說： 「如果覆蓋物有足夠的厚度，那麼放射性碳測定法會得出比預期年代要晚的結果。 」Highlights of the applied research in 1997 included the analysis of volatile organics with canister sampling, carbon speciation of air particulates, semi - volatile organic pollutants in water, and ultra - trace heavy metals in sea water with on - linechelation
年內，化驗所進行的研究計劃，包括引用密封金屬容器采樣法，分析空氣中揮發性的有機污染物；空氣粒子中含碳化合物的類別分析；水中半揮發性有機污染物的測試；以及應用流線螯合法，對海水中超微量重金屬進行定量分析。Carbon - 14 dating
碳14年代測定法分享友人