carbon-14 dating
常见例句
- Virtual Dating Radiocarbon (Carbon-14) applies to once-living materials that are less than 50,000 years old.
虛擬測年放射性碳(碳14)模型應用於測量年齡小於50000年的物質。
biositemap.com - Find a good description of the dating process here.) After carbon-14 spread throughout the globe, tiny amounts of the gas were taken up by the slow-growing mosses.
在碳-14散佈到全球之後,微量的這種氣躰被緩慢生長的苔蘚吸收。 - 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.
根據環境氚的數學物理模型計算和碳-14測年結果,關中盆地熱水可更新性具有有限性和非均一性特點。 - The age of the cloth was determined by Carbon-14 dating.
FORBES: Ancient Burial Cloth Provides Clues To Bronze Age Trade - 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 - There are many different isotopes of carbon and one that we have probably heard of is in the form of carbon-14, known for radio-carbon dating, but where does this radioactive isotope come from?
FORBES: Climate Scientists Deepening Skepticism of Democracy 返回 carbon-14 dating