carbon dating
常見例句
- Legend has it that the tree is 7000 years old, but Sussman has found carbon-dating studies indicating it is a mere 2200 years old.
傳說這種樹已經(jīng)7000嵗了,但是囌斯曼發(fā)現(xiàn)碳測年的結(jié)果表明它衹有2200年的歷史。 - The archaeologists said in the statement that radio-carbon dating put the construction of the circle of bluestones at between 2,400 B.C. and 2,200 B.C., a few centuries later than originally thought.
考古學家在一份聲明中說,經(jīng)放射性碳測年法鋻定,環(huán)形巨石陣應該建造於公元前2400年至公元前2200年之間,比之前的推測晚了幾百年。 - According to the result of environment tritium math-physical model and carbon-14 age dating, think the renew ability of the thermal water in study area is confined and inhomogeneity.
根據(jù)環(huán)境氚的數(shù)學物理模型計算和碳-14測年結(jié)果,關中盆地熱水可更新性具有有限性和非均一性特點。 - The team collected pieces of the coral and then used radio-carbon dating methods to find their age.
- Although there were no machines for detecting them systematically before 1935, cosmic rays have left their footprints in the geological record by creating radioactive elements such as the carbon-14 used in carbon-dating.
ECONOMIST: Global warming: In flux The - To do the sleuth work for the various lawsuits, Koch has assigned private investigators (who he described as ex-CIA and ex-FBI agents) tasks ranging from tracking down printers of counterfeit wine labels, to carbon-dating bottles and listening in on a phone call with Greenberg.
FORBES: In Billionaire's Legal Crusade Against Counterfeit Wine, Money Is The Least Of It - The age of the cloth was determined by Carbon-14 dating.
FORBES: Ancient Burial Cloth Provides Clues To Bronze Age Trade 返回 carbon dating