Quaternary相关论文
A new heterocyclic compound,named 5,5’-diisobutoxy-2,2’-bifuran(1),and four known compounds(2-5) were isolated from th......
The Quaternary groundwater system in the North China Plain is formed mainly through the terrestrial water flow action on......
在西北太平洋的二个深海的核心为 sedimentology，矿物学和环境磁力被分析了。在从火山作用消除干扰以后，象石英那样的几个代理满足的......
Three new cucurbitacins were isolated from the BuOH extract of the rhizomes of Hemsleya lijiangensis. Their structures ......
The group solubility parameter (GSP) model was used to analyze the liquid-liquid equilibrium (LLE) of ternary and quater......
Following a study on the Quaternary foraminifera in 1979, the authors report here a calcareous nannofossil assemblage f......
Based on the landforms, sedimentary sequence, fossil fauna and flora, and paleoclimatereflected by them as well as 14~C......
Variation of terrestrial ecosystem recorded by stable carbon isotopes of fossils in northern China d
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
The occurrence of a grassy vegetation over the Chinese Loess Plateau since the last interglacier: th
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
In situ cosmogenic 10Be dating of the Quaternary glaciations in the southern Shaluli Mountain on the
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Occurrences of warm-adapted mammals in north China over the Quaternary Period and their paleo-enviro
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Quaternary high-resolution opal record and its paleopro- ductivity implication at ODP Site 1143, sou
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Geochemical Characteristics of Eolian Deposits on the Eastern Margin of the Tibetan Plateau and Impl
Eolian dust deposition is intimately related to atmospheric circulation and environmental setting of the source region, ......
布容-松山（B／M）极性倒转事件是第四纪发生的最近一次地磁极性倒转，研究地磁极性倒转的特征不仅对理解地磁场演化规律具有重要意义，同时......
Quaternary Lake Deposits of Nam Co, Tibet, with a Discussion of the Connection of Nam Co with Ring C
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Tectonic Landform of Quaternary Lakes and Its Implications for Deformation in the Northern Qinghai-T
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Inter-Regional Comparisons on the Quaternary Large Mammalian Faunas between China and Sub-Saharan Af
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Paleoenvironmental Evolution of the Beilun River Estuary, Northwest South China Sea, During the Past
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Considerations about the occurrence of pollen grains of the Valeriana eichleriana (C.A.Muller) Graeb
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
The Toupo Fault, located in southern Anhul Province, strikes N60°～ 70°E in a linear route that is clear on satellitic i......
第三纪的板块运动驱动着澳大利亚的气候和植被进行演化.广布的湿润森林区是澳大利亚老第三纪的特征.一直到始新世,生物多样性都在......
Tectonic Landform of Quaternary Lakes and Its Implications for Deformation in the Northern Qinghai-T
The Hohxil region in the northern Qinghai-Tibet Plateau is occupied by numerous plateau lakes.which have long been infer......
Since the middle Early Pleistocene (1.20 Ma B.P.), the desert steppe climate and environment have predominated in the Lo......
The Kunming basin is a Cenozoic faulted basin controlled by N-S trending active faults. there are totally 8 main active ......
High-resolution oxygen isotope records over the last 2249 ka (MIS 1-86) have been obtained from cores of the upper secti......
Based on detailed field investigations, this paper describes the geometrical characteristics and tectonic activities of ......
The occurrence of a grassy vegetation over the Chinese Loess Plateau since the last interglacier: th
A series of allochthonous and autochthonous molecular fossils were identified from the Holocene paleosol (S0), Malan Loe......
Variation of terrestrial ecosystem recorded by stable carbon isotopes of fossils in northern China d
Stable carbon isotopes of C3 and C4 plants have completely distinct δ13C values respectively. Carbonate in tooth enamel......
Episodic dune formations during the Quaternary are found in many deserts of China.The causes of desert expansions on dif......
Quaternary Lake Deposits of Nam Co, Tibet, with a Discussion of the Connection of Nam Co with Ring C
Shorelines are widespread and lake deposits and lake geomorphology are well developed on the northern Tibetan Plateau. T......
Based on the interpretation more than 4000 km sparker single channel seismic profiles and the comparison with Borehole D......
The preservation and dissolution of calcium carbonate (namely calcium carbonate pump) controls the pH of seawater in glo......
Quaternary clay mineralogy in the northern South China Sea (ODP Site 1146)--Implications for oceanic
Measurement of clay mineralogy at ODP Site 1146 in the northern South China Sea (SCS) indicates that illite, chlorite, a......
Since the 20 th century, numerous Quaternary moraine dating methods have emerged, including lichenometric, moraine 14 C,......
Geomorphologic evolution and environmental changes in the Shaluli Mountain region during the Quatern
Geologic and geomorphologic evidence from the Shaluli Mountain indicates that the planation surface that formed in the L......
Quaternary aeolian environment researches were mainly conducted by analyzing the information carri-ers, extracting valua......
Geochemical Characteristics of Eolian Deposits on the Eastern Margin of the Tibetan Plateau and Impl
...
In this paper the authors classify saline lake sediments into the cold, warm and eurythermal phases, reveal the consiste......
Quaternary high-resolution opal record and its paleopro- ductivity implication at ODP Site 1143, sou
The correlation of opal content and MAR with oxygen isotopic records of benthonic foraminifera at Site 1143, southern So......
本文从区域景观地球化学及第四系地球化学入手，分析第四系各岩组的地球化学特征，进而探讨干旱条件下环境和农业方面有益、有害元素的......
地处青藏高原东北缘的祁连山系是晚新生代以来构造隆升的结果,酒泉盆地的沉积记录了祁连山隆升的过程;第四纪以来,在青藏高原强烈......
为解决传统低维二进制混沌序列作为伪随机序列来源而随机性不理想、动力学特性易退化的问题,利用四阶CNN细胞神经网络超混沌系统的......
浙江第四系浅层气主要分布在古河道、古河口沉积的砂体中。在气苗密集地段，采用静力触探，辅以少量横波浅层地震，然后根据所获地下信息......
根据第四纪地层所构成的地貌单元、地层的成因类型、岩性组份及其层次,采用区域地层对比方法,划分了沈阳市城区的第四纪地层.结果......
介绍了北京北苑居住区第四系断层走向勘察的工作方法，提出了在平原地区进行岩土工程勘察时应注意发现地层在水平方向变化的问题，并根......
本文报道了3-亚甲基异苯并呋喃-1（3H）-酮的高效合成方法。其特点是以邻甲基苯甲酸为原料，采用“一锅法”经过酯化，自由基溴代，形成季鏻......
本文采用多元统计分析的方法，研究了中太平洋地区第四纪沉积物中元素含量的地球化学特征，探讨了其物质来源及沉积环境。研究表明：元素......
