carbon-14

carbon-14 基本解释

网络  碳14

化学

重点词汇

• carbonn. 碳, 副本, 复写纸 [化] 碳
• 14fourteen

carbon-14 双语例句

1. 1、 The levels of carbon-14 isotopes rose sharply in the atmosphere after the nuclear weapons tests during the Cold War, and they provided a date mark in the cells.
   研究者们观察死者脑细胞时发现这是显而易见的。冷战期间由于核武器实验，大气中的C-14含量迅猛增长。
2. 2、 Right now we are carrying out carbon-14 tests on three of the eight skeletons found in St. Ursula.
   我们现在对在修道院的8个骨骸做碳14测试。
3. 3、 carbon-14 concentrations in the fat cells correspond to levels present in the atmosphere when the cells were created, giving the researchers a way to date when the cell was born.
   碳-14的在脂肪细胞中的浓度与当时细胞产生时候空气中的碳-14的浓度相关，这给研究人员提供了一条测知细胞产生日期的道路。
4. 4、 Tritium and carbon-14 in the environment
   环境中氚和碳-14
5. 5、 Ages of some carbonate deposites sampled in South China were determined by ESR dating. The results show a good consistence with the carbon-14 method.
   本文用ESR断代法测定某些碳酸盐沉积物的年代，其结果与~（14）法符合得很好。
6. 6、 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.
   根据环境氚的数学物理模型计算和碳-14测年结果，关中盆地热水可更新性具有有限性和非均一性特点。
7. 7、 Problems in carbon-14 dating of marine sediments
   海洋沉积物质~（14）C测年的若干问题
8. 8、 carbon-14 dating and its problems of the late Paleolithic in China
   中国晚期旧石器的碳-14断代和问题
9. 9、 240 values of tritium, carbon-14 and carbon-13 of groundwater, surface water and precipitation have been measured for the Taiyuan region.
   在太原地区测试了240个地下水、地表水和大气降水的~3H、~14C和~13C值。
10. 10、 Error analysis of the carbon-14 dating
    ~（14）C断代的误差分析
11. 11、 Self-absorption correction for carbon-14 samples
    碳-14试样自吸收的校正
12. 12、 Based on the researches of the foraminiferal fauna and the isotopic carbon-14 dating, it has been found that the stratigraphy of the El core can be divided into three phases: A. S1& S3 ( 0. 00~ 3. 34m) fall into Holocene;
    依据有孔虫动物群的研究和碳同位素测年，可将E1孔的地层分成3段：S1&S3（0.00～3.34m）为全新统；
13. 13、 By means of the tested data of Hydrogen-Oxygen stable isotope, and isotopes of tritium and carbon-14, the environmental isotope components of various groundwater subsystems being analyzed, meanwhile, the circulatory characteristics of groundwater are disc
    通过氢氧稳定同位素、氚同位素和碳-14的测试数据，分析了各地下水子系统的环境同位素组成，并初步讨论了地下水系统的水循环特点。
14. 14、 Thermoluminescence and carbon-14 dating methods applied to quantitative studies of the Holocene Active Faults in Datong and Jinzhong basins, Shanxi
    山西大同与晋中盆地全新世活动断裂定量研究中热释光与~（14）C测年方法应用
15. 15、 The theory of judging the era by using carbon-14 in archaeology
    碳-14考古断代原理