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- Dating of Sm Nd, Rb Sr isotopic systems and its dynamic singificance for the Proterozoic augen granite in Yunkai area. 云开元古宙眼球状花岗岩Sm-Nd和Rb-Sr同位素体系定年及其动力学意义
- 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。
- Isotopic ages of the cumulate xenoliths and their host dioritehave been systematically measured by means of whole rock Rb Sr isochron, K Ar and 40Ar 39Ar techniques and 8 ages are obtained. 分别用Rb Sr法、K Ar法和Ar Ar法 ,对堆晶岩捕虏体及其寄主岩全岩或单矿物进行了详细的同位素地质年代学研究 ,共获得各种年龄数据8件。
- The Sm Nd,Rb Sr Isotopic Ages of the Archean Granites in Southern Jilin Province 吉林南部太古代花岗岩Sm-Nd,Rb-Sr同位素年龄测定
- Rb Sr ISOCHRON AGE GROUPS OF ROCKS FROM THE EASTERN SECTOR OF NORTHERN HUAIYANG AND THEIR REGIONAL GEOLOGICAL SIGNIFICANCE 北淮阳东段几组铷锶等时线年龄及其区域地质意义
- The results showed that Na, Mg, K, Ca, Cu, Zn, Fe and Mn were found in both silk gland and silk fiber, while Rb and Sr were also possibly contained. 结果表明,在桑蚕丝腺体和丝纤维中含有钠、镁、钾、钙、铜、锌、铁、锰八种金属元素,同时还可能含有微量的铷和锶。
- Methods Through the methods of petrochemistry and Rb, Sr, O, S isotope geology and inclusion research. 方法应用岩石化学及铷、锶、硫、氧等同位素地质及包裹体研究方法。
- RB: Silverstone is just a fantastic circuit. 巴里切罗:银石是一条神奇的赛道。
- Methods Through the methods of petrochemistry and Rb,Sr,O,S isotope geology and inclusion research. 方法应用岩石化学及铷、锶、硫、氧等同位素地质及包裹体研究方法。
- Sr flight 135 departs at 7:30p. m . 瑞航135班机下午7点30分出港。
- Accomplish other jobs disposed by CH and Sr. 完成教学主管和中心主任布置的其它工作。
- Wear RB gloves when hands touch the chemical. 手直接接触时配戴防毒手套。
- Use of RB global purchasing potential. 利用无线电信标全球采购的可能性。
- SR Flight 135 departs at 7:30 p.m. 瑞航135班机下午七点三十分出港。
- Shanghai RB Rubber Isolator Technology Co., Ltd. 上海路博橡胶减振器技术有限公司。
- SR Flight 135 departs at 7:30p. m. 瑞航135班机下午7点30分出港。
- SR Flight135 departs at 7: 30 p.m. 瑞航135班机下午7点30分出港。
- RB: What does your music tell us about you? 你的音乐会告诉关于你的什麽?
- Acquire all beneficial Customs policy to RB. 获得最优惠的关税条件。
- Fe, Mn and Sr are higher in content. 实验结果表明:其中铁、、的含量较高。