您要查找的是不是:
- U - Pb dating of zircon 锆石U-Pb定年
- zircon SHRIMP U - Pb dating 锆石SHRIMP
- It intruded in Upper Ordovician Shifeng Formation and is dated as 333 86Ma of U Pb concordant age of zircon, which belongs to middle stage of Variscan. 岩体侵入上奥陶统石缝组(O3s) , 岩体的锆石U?Pb 一致线年龄333-86 Ma, 属华力西中期。
- U-Pb dating of zircon from gneiss at Nanhuang in East Anhui. 皖东南黄片麻岩的锆石U-Pb年龄。
- Li Huimin, Li Huaikun, Lu Songnian.Ore forming age of the Dongping gold ore: The U - Pb zircon dating of the hydrothermal zircon in the ore vein[J].Journal of Earth, 1997, 18(Sup. ) : 176 - 178. [6]李惠民;李怀坤;陆松年.;用矿脉中热液锆石的U-Pb定年确定东坪金矿的成矿时代[J]地球学报;1997;18(增刊):176-178
- SHRIMP U-Pb dating of zircon 锆石SHRIMPU-Pb定年
- Can you produce any proof of your date of birth? 你能出示有关你的生日日期的任何证件吗?
- He can reel off the date of the king of england. 他能流畅地说出所有英国国王的生卒年份。
- Progress of Etching Techniques for Fission Track Dating of Zircon 锆石裂变径迹定年蚀刻技术
- The date of the dinner party is still in the air. 宴会的日期尚未确定。
- Minerals or altered minerals such as sericite, biotite and K feldspar in the altered wallrocks are selected to be objects of age determination, and the Ar Ar, K Ar, Rb Sr, U Pb isochron dating methods are adopted. 选用矿石或蚀变围岩中的绢云母、黑云母、钾长石等蚀变矿物作为测年对象 ,采用 Ar- Ar、 K- Ar法或 Rb- Sr等时线法测年在目前的技术条件下是经济可行的 ,关键是要保证被测矿物确为蚀变矿物并且纯度较高。 用 U- Pb法测定矿脉中的水热锆石来确定成矿年龄 ,但如何区分继承锆石和水热锆石尚不成熟。
- The date of his departure is uncertain. 他离开的日期尚未确定。
- The date of the meeting was advanced by four days. 会议提前四天召开。
- The exact date of his birth is not known. 他确切的出生日期无人知道。
- The stone was engraved with his date of birth. 这石块上刻著他的生日。
- Fixed the date of the ancient artifacts. 确定这件古代文化遗物的时间
- Yuan, Jennwei Huang, S.-T. and Liu, T.-K. (1987) Fission track dating of zircons in the late Cenozoic sedimentary rock in the Miaoli area, Taiwan. Petroleum Geology of Taiwan, 23, 41-53. 原振维、黄旭灿、刘聪桂(1987)苗栗地区新生代晚期沈积岩中锆石之核飞迹定年。台湾石油地质,第23号,第41-53页。
- The date of the meeting has been advanced from Friday to Monday. 会议日期已经从星期五提前到星期一。
- They decided to bring forward the date of the next meeting. 他们决定将下一次会议的日期提前。
- According to the relation of contact in the field and Pb Pb evaporation age of a set of zircon(2451 Ma), its diagenetic age can been ascertained the Archaeozoic Era. 根据野外接触关系和一组锆石Pb-Pb蒸发年龄(2451Ma),确定其成岩时代为太古代。