放射性碳法 的英文怎麼說
中文拼音 [fàngshèxìngtànfǎ]
放射性碳法
英文
radiocarbon method- 放 : releaseset freelet go
- 射 : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 碳 : 名詞[化學] (非金屬元素) carbon (c)
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 放射性 : [物理學] radioactivity; activity; emissivity
- 放射 : radiate; emit; blas; radiation; emission; shooting; shedding; abjection; emanation; effluence
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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) 。Using radiocarbon techniques on sediments collected from four rivers, they determined that bacteria may alter riverine carbon, making it indistinguishable from ocean carbon
科學家以放射性碳技術研究收集自四條河流的沉積層,發現細菌可以改變河水裡的碳,使它與海水裡的碳無法區別。Standard test methods for determining the biobased content of natural range materials using radiocarbon and isotope ratio mass spectrometry analysis
使用放射性碳和同位素比率質譜分析法測定天然材料中生物基含量的標準試驗方法The method for assessing the degree of bacterial adhesion to prosthetic valve materials was established primarily. the capacities of staphylococcus aureus ( sa ), staphylococcus epidermidis ( se ), escherichia coli ( ec ) and pseudomonas aeruginosa ( pa ) for adhesion to dacron, pyrolytic carbon and polytetrofluoroethylene ( ptfe ) were quantitatively determined by the plate counting and gamma - ray counting of 125i radiolabeled bacteria in vitro
採用平板菌落計數法、 125i標記細菌放射性測定法,測定金黃色葡萄球菌、表皮葡萄球菌、大腸桿菌、綠膿桿菌對滌綸、熱解碳、聚四氟乙烯的粘附情況。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。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。 」The morphology examination by sem and tem showed that the carbon nanotubes were arranged in the array uniformly and paralleled, with smooth walls, the outside diameter of 120 nm and the inside diameter of 110 nm. from the cyclic voltammetry, the array electrodes in an acidic electrolytic solution had greater capacitance than the case in a neutral electrolytic solution. the specific capacitance of 365 f / g was achieved with the discharge current density of 210 ma / g in the solution of 1 mol / l h2so4
掃描電子顯微鏡和透射電子顯微鏡對碳納米管陣列電極的形貌表徵表明碳納米管形狀規整,排列有序,尺寸均勻,管壁光滑,外徑約為120nm ,內徑約為110nm ;循環伏安實驗表明mwnts陣列電極在酸性溶液中比在中性溶液中具有更好的電容性能;根據恆電流充放電法得出mwnts陣列電極在1mol / lh _ 2so _ 4水溶液中,在210ma / g的放電電流密度下的比電容可達353f / g ,比目前報道的無序碳納米管和活性炭電極的比容量都高得多;其它電化學實驗顯示該電極具有很低的內阻和良好的充放電循環穩定性。分享友人