1.
isotopic age determination
同位素地质年龄测定
2.
Its diameter is about3000 meters, and the depth is250 meters.
它的直径约3000米，深约250米；据同位素地质年龄测定约七千万年。
3.
INFORMATION ANALYSIS OF ISOTOPIC GEOLOGY AGE DATA FROM NORTHWESTERN HUBEI
鄂西北同位素地质年龄数据信息分析
4.
Rb-Sr AGE DETERMINATION ON THE LATE ARCHEAN FERROSILICEOUS ROCK SERIES IN SIJIAYING,LUANXIAN,HEBEI
河北滦县司家营晚太古代铁硅质岩系的铷-锶同位素年龄测定
5.
Measurement of geologic time, as through isotopic radioactive decay.
地质年代测定通过放射性同位素衰变来测定地质年代
6.
Study on the Method of Re-Os Dating for Black Shale and Oil Shale;
Re-Os同位素体系测定黑色页岩、油页岩年龄研究
7.
a chemical analysis used to determine the age of organic materials based on their content of the radioisotope carbon 14.
用放射性同位素碳14测定有机物年龄的化学分析。
8.
Molybdenite Re-Os dating of Xintaimen molybdenum deposit in Yanshan-Liaoning metallogenic belt,North China
燕辽成矿带东段新台门钼矿床的Re-Os同位素年龄及其地质意义
9.
Geological characteristics and molybdenite Re-Os isotopic dating of Yuchiling porphyry Mo deposit in western Henan Province
豫西鱼池岭斑岩型钼矿床地质特征及其辉钼矿铼-锇同位素年龄
10.
Molybdenite Re-Os isochron age of the Yuchiling porphyry Mo deposit, Henan Province and its geological implications.
河南鱼池岭钼矿床辉钼矿铼-锇同位素年龄及地质意义
11.
Re-Os isotopic dating of molybdenite from the Chilu molybdenum deposit in Fu'an,Fujian Province
福建福安赤路钼矿床辉钼矿Re-Os同位素年龄及其地质意义
12.
The molybdenite Re-Os dang from the Nlanzigou Mo deposit,Inner Mongolia and its geological significance.
内蒙碾子沟钼矿床辉钼矿Re-Os同位素年龄及其地质意义
13.
Evidence from isotopic dating suggests that the greenstone belts vary considerably in age.
来自同位素年龄鉴定的证据指出，绿岩带在年龄上彼此变化相当大。
14.
Chemical Pretreatment Methods for Measurement of Mo Isotope Ratio on Geological Samples
地质样品中Mo同位素测定的前处理方法研究
15.
Re-Os ISOTOPE AGES OF MOLYBDENUM DEPOSITS IN EAST QINLING AND THEIR SIGNIFICANCE
东秦岭地区钼矿床的铼－锇同位素年龄及其意义
16.
Isotope Age of Groundwater in Lubei Plain and an Evaluation of Its Renewable Capacity
鲁北平原地下水同位素年龄及可更新能力评价
17.
THE AGES OF THE BAYAN OBO AND CHAERTAI GROUPS IN CENTRAL NEI MONGGOL DISCUSSED IN THE LIGHT OF ISOTOPE GEOCHRONOLOGY
从同位素地质年龄讨论内蒙古中部白云鄂博群及渣尔泰群地层的时代
18.
A BPHA extraction method for chemical separation of Re for molybdenite Re-Os dating
一种简单的辉钼矿Re-Os同位素年龄测定中Re化学分离方法:“钽试剂”萃取法