1)dating[英][deit][美][det]测年
1.Th-U-Pb dating method of electron probe microanalysis and its application foreground in uranium geology research;电子探针Th-U-Pb微区测年方法及其在铀矿地质研究中的应用前景
2.Study on the High-Resolution Sequence of Luminescence Dating in the Loess of West Mountain of Peking Area;北京西山黄土高分辨率释光测年研究
3.Its 270℃thermoluminescence peak can be used to dating.陶瓷中常含有相当数量的氧化铝成分,研究氧化铝的热释光性特征对进一步提高古物测年的精确度至关重要。
英文短句/例句
1.protactinium-231-thorium-230 dating镤-231钍-230测年法
2.IASY (International Years of the Active Sun)太阳活动期国际观测年
3.A Comparison of Methods for the Annual Radiation Dose Determination in Luminescence Dating;释光测年中几种年剂量测量方法的对比
4.Blyth Second Year Algebra Test布莱斯第二年代数测验
5.radioactive datingph.1. 【美】放射性测定年代
6.electron paramagnetic resonance dating电子顺磁共振年代测定
7.radiocarbon method放射性碳测定年代法
8.leadalpha age method铅-α粒子年代测定法
9.radiation-damage dating辐射损伤年代测定法
10.beta radiography dating射线照相法测定年代
11.fission track dating method裂变径迹法年龄测定
12.radiocarbon 14 dating method放射性碳14测定年龄法
13.uranium lead age铀 铅法测得的年龄
14.potassium-argon age钾-氩(法测得的)年龄
15.thorium lead age钍 铅法测得的年龄
16.as measured over a three-year period;以上均按三年期测算;
17.Hong Kong 80 Geodetic Datum1980年香港大地测量基准
18.early identification of potential delinquent早期潜在少年犯罪预测
相关短句/例句
age-dating测年;测定年代
3)K-Ar datingK-Ar测年
4)dating mineral测年矿物
5)Ar-Ar datingAr-Ar测年
1.Ar-Ar dating of orogenic gold deposits in northern margin of Qaidam and East Kunlun Mountains and its geological significance;柴北缘—东昆仑地区造山型金矿床的Ar-Ar测年及其地质意义
6)ESR datingESR测年
1.ESR dating of gypsum in arid regions;干旱地区石膏ESR测年的初步研究
2.Preliminary Study on ESR dating of foraminifera samples from the deep-ocean core;深海岩心有孔虫壳ESR测年的初步研究
3.With the methods of investigation which includes physiognomy,quaternary,tectonic and earthquake,the quartz shape scanning in the fracture zone and ESR dating,we draw a conclusion that Meigu River fracture zone is composed of three imbricate faults,which has not been active since the middle Pleistocene,and it is not an.通过地貌、第四系、地质构造及地震等野外地质调查和断裂带石英形貌扫描、ESR测年等方法综合研究表明,美姑河断裂带是由3条断层组成的叠瓦断层带,在中更新世(Q2)以来已不具活动性,不属于活动断层,亦不具有诱发地震的能力,因此断裂带活动性对工程建设影响不大。
延伸阅读
C14测年含c物质的c14含量在c元素中所含的比例几乎是保持恒定的,如果含c物质一旦停止与大气的交换关系,则该物质的c14含量不在得到新的补充,而原有的c14按照衰变规律减少,每隔5730年减少一半,因此只要测出含c物质中c14的减少的程度,就可以计算出它停止与大气进行交换的年代,这就是c14测年的原理。
