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- Chemical Th-U-total Pb isochron dating is a new method to calculate the geological ages based on EMPA dada of U, Th and Pb. 化学定年方法是利用电子探针分析副矿物中的U、Th、Pb含量而进行定年的一种新方法。
- The lithology of karst is pure carbonatite at geological age of intermediate Cambrian and intermediate Ordovician. 北方岩溶和岩溶水的开发利用,见于碑刻者亦可追溯至1000年前。
- A checklist of all described Ephemeroptera fossils, with their distribution and geological age is provided. 描述了不同地质时期主要蜉蝣化石的分类单元和分布地区。
- There are different geological ages of growth strata in antichne limbs of different structural zonrs,showing the different emplacement agse of the structural zones. 在不同构造带发育不同时代的生长地层，指示了各构造带不同的构造变形年代。
- There are different geological ages of growth strata in antichne limbs of different structural zones，showing the different emplacement ages of the structural zones. 在不同构造带发育不同时代的生长地层，指示了各构造带不同的构造变形年代。
- The ambers from the different localities may be of the same geological age, but exit the different ETIR absorption bands and strength according to the different polymeric grade. 不同产地的琥珀虽具有同样的地质年代，但由于聚合化程度不同，其红外吸收光谱峰的位置和强度存有差异。
- It could be confirmed that the geological age of both the Tongzi Fauna in Guizhou Province and the Maba Fauna in Guangdong Province lies in Late Pleistocene. 即贵州桐梓人和广东马坝人动物群的地质时代为更新世晚期。
- The geological age, stratigraphic subdivision and correlation of the "High Resistivity Red Bed" in the Dongpu Depression, Bohai Sea Coastal Basin, has been an unresolved question. 摘要渤海沿岸盆地东濮凹陷内发育的“高阻红”地层的地质时代归属和划分对比问题长期以来一直存在争议。
- A remnant or trace of an organism of a past geologic age, such as a skeleton or leaf imprint, embedded and preserved in the earth's crust. 化石埋置并保存于地层中的古生物遗体、遗物和其生活遗址，如骨骸、叶子的印痕等
- Based on the research of the fossil wood specimens, the authors propose that the geological age of the angiospermous fossil wood group and the paleogravel bed in Yangluo is Neogene of Cenosoic. 通过实地调查、室内制片、对比等研究方法，推断出武汉阳逻被子植物化石木群与古砾石层的地质时代属新生代新近纪。
- It is dominated by Dictyotriletes (20. 5%), Dycospora(16. 3%),Dibolisporites(9. 7%) and Reliculataspores (8. 5%). The geological age is assumed to be Early Carboniferous Tournaisian. 组合中以Dictyotriletes（20.;5%25），Lycospora（16
- This paper indicates the reasons of establish member and introduces its origin and stratotype section, as well as its extend and correlation.At last, its geological age is discussed. 文中阐述了建段的理由，介绍了名称来源、层型剖面、地层的延伸与对比，讨论了地质时代。
- The geological age, stratigraphic subdivision and correlation of the “High Resistivity Red Bed” in the Dongpu Depression,Bohai Sea Coastal Basin, has been an unresolved question. 渤海沿岸盆地东濮凹陷内发育的“高阻红”地层的地质时代归属和划分对比问题长期以来一直存在争议。
- The geological age of the earth warm and humid climate, over the river connecting Lake swamp large tracts of land on the true fern, cycads, gymnosperms and conifer wood is very busy. 这一地质年代，地球上气候温暖湿润，密布的河流连接着大片的湖泊沼泽，陆地上的真蕨、苏铁、裸子植物及针叶树木十分繁盛。
- The sequence of some geological events related to the formation and evolution of ophiolite can give the restriction on its geologic ages. 测年时必须对所测对象的特征及性质进行详细的研究。
- A remnant or trace of an organism of a past geologic age,such as a skeleton or leaf imprint,embedded and preserved in the earth's crust. 化石埋置并保存于地层中的古生物遗体、遗物和其生活遗址，如骨骸、叶子的印痕等。
- Exercise is profitable in all ages. 运动对于各年龄段都很有利。
- This tends to produce samples that are rather homogeneous, uniform, and generally lacking in geological aging so that those properties of anisotropy and cementation are often not produced. 这样容易制成各向同性的均质样品，通常缺乏地质时效的影响，因此一般不会形成各向异性和胶结作用这些性质。
- He prefers to assort with people of his own age. 他更喜欢与自己的同龄人交往。
- He admires the chivalry of knights in Middle Ages. 他很佩服中世纪武士的侠义精神。
