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- Dating of Sm Nd, Rb Sr isotopic systems and its dynamic singificance for the Proterozoic augen granite in Yunkai area. 云開(kāi)元古宙眼球狀花崗巖Sm-Nd和Rb-Sr同位素體系定年及其動(dòng)力學(xué)意義
- 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. 選用礦石或蝕變圍巖中的絹云母、黑云母、鉀長(cháng)石等蝕變礦物作為測年對象 ,采用 Ar- Ar、 K- Ar法或 Rb- Sr等時(shí)線(xiàn)法測年在目前的技術(shù)條件下是經(jīng)濟可行的 ,關(guān)鍵是要保證被測礦物確為蝕變礦物并且純度較高。 用 U- Pb法測定礦脈中的水熱鋯石來(lái)確定成礦年齡 ,但如何區分繼承鋯石和水熱鋯石尚不成熟。
- 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. 分別用Rb Sr法、K Ar法和Ar Ar法 ,對堆晶巖捕虜體及其寄主巖全巖或單礦物進(jìn)行了詳細的同位素地質(zhì)年代學(xué)研究 ,共獲得各種年齡數據8件。
- The Sm Nd,Rb Sr Isotopic Ages of the Archean Granites in Southern Jilin Province 吉林南部太古代花崗巖Sm-Nd,Rb-Sr同位素年齡測定
- Rb Sr ISOCHRON AGE GROUPS OF ROCKS FROM THE EASTERN SECTOR OF NORTHERN HUAIYANG AND THEIR REGIONAL GEOLOGICAL SIGNIFICANCE 北淮陽(yáng)東段幾組銣鍶等時(shí)線(xiàn)年齡及其區域地質(zhì)意義
- 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. 結果表明，在桑蠶絲腺體和絲纖維中含有鈉、鎂、鉀、鈣、銅、鋅、鐵、錳八種金屬元素，同時(shí)還可能含有微量的銣和鍶。
- Methods Through the methods of petrochemistry and Rb, Sr, O, S isotope geology and inclusion research. 方法應用巖石化學(xué)及銣、鍶、硫、氧等同位素地質(zhì)及包裹體研究方法。
- RB: Silverstone is just a fantastic circuit. 巴里切羅：銀石是一條神奇的賽道。
- Methods Through the methods of petrochemistry and Rb,Sr,O,S isotope geology and inclusion research. 方法應用巖石化學(xué)及銣、鍶、硫、氧等同位素地質(zhì)及包裹體研究方法。
- Sr flight 135 departs at 7:30p. m . 瑞航135班機下午7點(diǎn)30分出港。
- Accomplish other jobs disposed by CH and Sr. 完成教學(xué)主管和中心主任布置的其它工作。
- Wear RB gloves when hands touch the chemical. 手直接接觸時(shí)配戴防毒手套。
- Use of RB global purchasing potential. 利用無(wú)線(xiàn)電信標全球采購的可能性。
- SR Flight 135 departs at 7:30 p.m. 瑞航135班機下午七點(diǎn)三十分出港。
- Shanghai RB Rubber Isolator Technology Co., Ltd. 上海路博橡膠減振器技術(shù)有限公司。
- SR Flight 135 departs at 7:30p. m. 瑞航135班機下午7點(diǎn)30分出港。
- SR Flight135 departs at 7: 30 p.m. 瑞航135班機下午7點(diǎn)30分出港。
- RB: What does your music tell us about you? 你的音樂(lè )會(huì )告訴關(guān)于你的什麼?
- Acquire all beneficial Customs policy to RB. 獲得最優(yōu)惠的關(guān)稅條件。
- Fe, Mn and Sr are higher in content. 實(shí)驗結果表明:其中鐵、、的含量較高。
