Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 35 for “"North China"”.
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Fusulinidæ of North China
… of Fusulinidæ species and their distribution in North China.]
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Structure and tectonics of North China
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric and Planetary Sciences, 1986.
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Two phases of extension in North China since Mesozoic :
The North China Craton was formed around 1.8 Ga by collision and amalgamation of the Eastern and Western blocks. It remained tectonically stable since then until the Mesozoic, when its eastern part experienced widely distributed extension and volcanism. This distributed extension waned during the …
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Estimating groundwater recharge in Jinci karst groundwater system, North China
… water to more than thirty large cities in northern China due to its high concentration, stable groundwater flow and good water quality. Meanwhile, due to the excessive development of karst groundwater, a series of aquatic ecological problems have arisen, such as over 30% karst large springs …
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Deforestation and the Transformation of the Landscape of North China: prehistory - present
… evidence shows that 10,000 years ago North China was primarily a lush deciduous forest. Like many other regions of the planet, this landscape has been dramatically transformed by human activity, yet unusually this mostly occurred long ago under pre-industrial conditions. Fortunately …
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EXAMINATION OF PHOTOCHEMISTRY AND METEOROLOGY OF ATMOSPHERIC POLLUTANTS FROM THE NORTH CHINA PLAIN
… air pollution over metropolitan regions in China has raised attention in light of its local and regional impacts on health and climate. Computer models can simulate complex interactions between photochemistry and meteorology to inform policy decisions in reducing ground-level pollution. …
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Becoming Zhongguo, Becoming Han : Tracing and Reconceptualizing Ethnicity in Ancient North China, 770 BC - AD 581
… nature of ethnic identity in the core region of north China during a period of 1,351 years from the beginning of Eastern Zhou (770-256 BC) to the end of the Northern Dynasties (AD 399-581), these being periods commonly perceived as starting in a state of ethnic diversity and conflict, and ending …
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Seismic Investigation on Temporal Structural Changes and Joint Inversion of Sedimentary and Crustal Structure Beneath North China
… determine the source region of temporal changes. North China is one of earthquake prone regions in China. Knowing sedimentary structure within a basin is of great importance to predict strong ground motions caused by earthquakes. We employ two different methods to image the shallow sedimentary …
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Qiaoxiang and managing overseas Chinese affairs in contemporary North China: The case of Changyi county and its sojourners
… to gain the fame of being a qiaoxiang (侨乡) in North China. Many different but interrelated actors—such as sojourners, returnees, relatives of sojourners, and government officials managing overseas Chinese affairs—shaped and were shaped by qiaoxiang society, which features the tricky practice of …
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Agency, Households, and the Practice of Li (Social and Ritual Protocols): Paper-Offerings in Rural Shandong, North China
… The ubiquity and continuity of this practice in China suggests that the use of paper-offerings is an important ingredient of Chinese culture, yet an explanation of its longevity remains incomplete. This thesis aims to answer the question: why do contemporary Chinese people still use …
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THE IMPACTS OF CLIMATE AND THE ENVIRONMENT ON HUMAN SKELETAL MORPHOLOGY DURING THE HOLOCENE IN NORTH CHINA A
… to climate and the environment in Holocene China. Linking skeletal morphology to the changes in climate, subsistence strategy and socio-political development has been well-documented in various geographical areas. Although a general pattern has been observed among different populations, it …
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Imaging of crust and mantle structures with teleseismic reflected waves
… Application of VDSS to data from the North China craton reveals significant lateral variations in crustal thickness. Assuming that the crust was originally uniform, the thick crust beneath the Ordos plateau supports the hypothesis of lower crustal foundering as the mechanism of …
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The age, stratigraphy, and tectonic provenance of clastic deposits in the western Bikou terrane, southwestern Qinling Mountains, China
The Qinling Mountains of central China are the product of Late Paleozoic to Triassic collision between the North China Plate and the South China Plate. Located within the southwestern Qinling Mountains is the Bikou terrane, a low grade metamorphic assemblage of igneous and clastic sedimentary rocks …
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Receiver function study in northeast Tibet and adjacent boundaries
As part of the NorthEast Tibetan plateau Seismic (NETS) project, we performed receiver functions analysis across the northeastern Tibetan plateau and adjacent boundaries. Using the data of about 500 events obtained from 61 broad-band stations, we provided a detailed image of the Moho geometry and …
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Archean detrital zircons in the Proterozoic Vishnu Schist of the Grand Canyon, Arizona : implications for crustal architecture and Nuna reconstructions
… not support provenances in the Wyoming, South China, or Siberian cratons; instead sources may be located in Gawler craton of Australia, North China craton, or Antarctica. If the detrital zircons were far-traveled, this is a new constraint for viable reconstructions of the Nuna supercontinent. …
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Geochemical investigation of the co-evolution of life and environment in the Neoproterozoic Era
… (ca. 1000 Ma to ca. 800 Ma) Huaibei Group in North China were measured. The data indicate nitrate limitation in early Neoproterozoic oceans. Further, a compilation of Proterozoic sedimentary δ<sup>15</sup>N data, together with box model simulations, suggest a ~50% increase in marine nitrate …
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Between kin and king: Social aspects of Western Zhou ritual
… of a particular style of ancestral ritual across North China, as the Zhou royal faction leveraged its familiarity with the ritual techniques of the conquered Shang culture to complement its project of state formation. Looking back on this era as the golden age of governance, Eastern Zhou and Han …
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A Springboard to Victory: Shandong Province and Chinese Communist Military and Financial Strength, 1937-1945
… Communist Party (CCP) in Shandong Province in North China achieved an unnoticed but historically significant success in financial affairs. From that time onward, the CCP in Shandong not only controlled economic affairs within its territory, but also obtained access to territories under enemy …
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