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- Some global consistent and comparable marine Sr isotope curves for the Phanerozoic have been established recently. 近年来,显生宙以来海水锶同位素的变化曲线不断得以补充和修正,已建立起具有全球一致性、可对比的海水锶同位素变化曲线背景值,为锶同位素的应用奠定了基础。
- Marine Sr isotope 海洋Sr同位素
- Some hot research fields such as global change, ecology and environment and Sr isotope are becoming more and more important. 此外,在一些热点研究上,如全球变化、生态环境等方面,也逐渐显现出重要性。
- The excursions of Sr isotope can support environment of paleomarine, and peloecology.Valueble data from important strata which limited by biostratigraphy in China, Iran and even Japan. 从而试图进一步揭示生物演化,特别是绝灭等生物事件与锶同位素,及与此相关的海平面变化和洋壳演化的可能联系。
- Compositions of S and Sr isotopes for celestine are similar to those for general sea waters. 天青石中硫、锶同位素值和海水硫、锶同位素值相近。
- Owing to the improvements on analytical and testing techniques, great progress has been made in research on Sr isotopes. 随着分析测试技术的不断提高,锶同位素研究取得了重大进展。
- 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
- Their geochemical characteristics of trace elements and Nd and Sr isotopes show that these mafic rocks erupted in a back-arc basin. 根据镁铁质岩的层位关系、岩浆来源和微量元素特征,可将该盆地的地质演化概括为扩张阶段和封闭阶段。
- The analysis of H,O,C and Sr isotopes shows that this deposit is a lowtomoderate temperature volcanogene hydrothermal gold deposit in which meteoric water participates. 通过硫、铅、氢、氧、碳、锶等同位素及稀土元素的研究可以看出,该矿床是一个中、低温有大气水参与的火山热液型金矿床。
- Study on the Age of Armantai Ophiolite, Xinjiang by Nd Sr Isotope Geology 新疆阿尔曼太蛇绿岩时代的Nd-Sr同位素地质研究
- Marine plants grow on the sea bed. 海生植物长在海底。
- THE CONNECTION BETWEEN Sr ISOTOPE IN SHELL OF MODERN TRIDACNA AND ITS LIVING ENVIRONMENT 现代砗磲壳体锶同位素与其生活环境的关系
- Water pollution imperils all kinds of marine life. 水质污染危及所有海洋生物。
- America had the largest mercantile marine. 美国当时拥有最大的商船队。
- Keywords Sr isotope;Xiaoqinling gold field;Taihua Group;(?)nyu granite;Neo-Mesoproterozoic strata; 锶同位素;小秦岭金矿田;太华群;文峪花岗岩;中-新元古界地层;
- The rocks are covered by marine plants. 岩石被海生植物所覆盖。
- Are there any other clauses in marine policies? 海运险还包括其它条款吗?
- This lesson pertains to marine animals. 这一课讲海洋动物。
- Mineralogy, fluid inclusion and C, O, Sr isotope study of the Kosice-Medvedia magnesite deposit, Western Carpathians. Slovakia 斯洛伐克西喀尔巴阡山Kosice-Medvedia菱镁矿床的矿物学、流体包裹体和碳-氧-锶同位素研究(英文)
- A radioactive isotope of carbon, especially carbon 14. 放射性碳碳的一种放射性同位素,尤指碳14。