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81.
敦煌文书唐代《西州图经》曾经这样描述唐西州时期高昌的丁谷窟:“丁谷窟有寺一所,并有禅院一所。右在柳中界至北山二十五里丁谷中,西去州二十里。  相似文献   
82.
《毛泽东思想万岁》在海外的利用   总被引:1,自引:0,他引:1  
《毛泽东思想万岁》原为《人民日报》1966年\"七一\"社论的标题。从该年年底开始,中国大陆各地编印的各种毛泽东综合性著作集大都称为《毛泽东思想万岁》,因此通称为\"万岁本\",它们包括《毛泽东思想万岁》、《毛主席文选》、《资料选编》、《学习文选》等等,其中《毛泽东思想万岁》的1967年280页32开本、1967年4月16开46+59页本和1969年726页本的影印本,是海外学者经常利用的三种通行本,亦是海外当代中国史和人物特别是  相似文献   
83.
    
This study is aimed at investigating the demand on shear panel dampers (SPDs) installed in steel structures under strong earthquake motions to serve as guidance for the recommended capacity of SPDs in seismic design. For this purpose, an extensive dynamic analysis is carried out on steel bridge pier structures with SPD devices. To describe the restoring force characteristics of SPDs, the analysis uses a newly developed combined hardening model based on experimental data. The seismic demands made on SPD devices are examined and then summarized to give recommended values for determining the necessary deformation capacity of SPDs.  相似文献   
84.
    
This article concerns the cross-interaction problem among multi-foundations on a linearly viscoelastic medium at very small shear strains. In the analysis, the foundations are discretized into a number of sub square-elements. The dynamic response within each sub-element is described by the Green’s function, which is obtained by the Fourier-Bessel transform and the precise integration method. Incorporating the displacement boundary condition and the force equilibrium of the foundations, it obtains the dynamic impedance and compliance functions of the foundations. Extensive results for two rigid circular foundations placed at different separations are presented. Parametric studies are carried out on the dynamic interaction among adjacent foundations. Illustrative results for several closely spaced foundations are also illustrated.  相似文献   
85.
    
ABSTRACT Rapid population growth and increasing water development costs have prompted many western governments to condition residential development approval on the adequacy of water supplies. We examine the effects of these regulations on housing supply in Colorado and New Mexico using fixed‐effects panel regressions. Our findings suggest that price‐based tools to ensure water availability may be a preferred regulatory alternative to quantity restrictions. Attempts to restrict groundwater basin access have not unambiguously corrected negative externalities related to growth. Meanwhile, Colorado cities' aggressive use of impact fees has facilitated water resource development, without limiting growth.  相似文献   
86.
    
Leptocoeliid brachiopods from the Early Devonian Baruntehua Formation of Dong Ujimqin Qi, northeastern Inner Mongolia were assigned to Leptocoelia by Su (1976) and Zhang(1983), and subsequently to Pacificocoelia by Hou & Boucot (1990). Transverse serial sections of Pacificocoelia sinica are illustrated hère, for the first time, based on topotype specimens. The known geographic range o Pacificocoelia is from northern China, North America, South America and Kazakhstan (Eastern Americas Realm and also occurs in east-central Asia). Atlanticocoelia is regarded hère as a junior synonym of Pacificocoelia.  相似文献   
87.
88.
秦牧苑考     
陈芳 《文博》2008,(5):62-65
秦养马业十分发达,为适应战争的需要而建立了官营养马牛牧苑.从出土秦简知:秦牧苑称公马牛苑,分设于县内;牧苑管理机构分为中央-县-公马牛苑三级,苑内总负责人为苑啬夫,下设有苑计等苑吏;为保证公马牛的牧养质量,国家还组织有游牧各县的大牧群,且制定了种种保护公马牛的法令.  相似文献   
89.
  总被引:1,自引:0,他引:1  
Recent zooarchaeological studies on water buffalo (Bubalus sp.) remains from China and south Asia question the traditional view that water buffalo were first domesticated in Neolithic China over 7000 years ago. The results from several recent population genetic studies of modern domesticated buffalo (Bubalus bubalis) are not consistent with each other, placing the original center of buffalo's domestication in south Asia, southeast Asia, or China. This paper reports a study using an ancient DNA approach to analyze water buffalo remains from Neolithic sites in north China to investigate their affinities with modern domesticated water buffalo, and to shed light on the origin of modern domesticated water buffalo in China.A 169 bp fragment of D-loop mitochondrial DNA was successfully amplified and verified for 13 of 24 bone samples obtained from seven archaeological sites along the Wei River valley in Shaanxi Province, China. The bone samples which yielded positive DNA can be dated to 8000–3600 cal. BP. The phylogenetic analysis of the obtained DNA sequences along with modern water buffalo sequences indicated that the ancient water buffalos were not the direct ancestor of modern domesticated water buffalo. However, the phylogenetic analysis, along with BLAST searches of these ancient DNA sequences, did demonstrate their relatedness to water buffalo more so than to any other bovid species, confirming the existence of indigenous wild (but now extinct) water buffalo species (B. mephistopheles) in ancient China.The DNA analysis of these ancient remains failed to establish direct links between modern domesticated water buffalo (B. bubalis) and indigenous water buffalo (B. mephistopheles) from ancient China. If further DNA studies of more ancient remains from other regions of China confirm the observation of solely indigenous water buffalo species in ancient China, it would suggest modern water buffalo might not have been first domesticated in China.  相似文献   
90.
    
During the transition towards a more market‐oriented economy and entrepreneurial governance, local authorities have attempted to create new cross‐jurisdiction regional entities to enhance their competitiveness through making city‐region plans or regional strategic plans in China. This article analyses the process of region building in China through a case study of Nanjing city‐region. We argue that region building is a state‐led regional project in China, not a spontaneous process. City‐region planning has played a legitimacy‐seeking role in the construction of new regions. Based on the discourse provided by the city‐region plan, associated city networks are being created as a mechanism for plan implementation and regional coordination. This signals that regional planning is entering the stage of regional institution building. By assessing the capacity of regional institutions, we argue that the newly‐emerged regional institutions or urban networks have facilitated regionalization in terms of the increasing involvement of non‐state actors, the formation of regional coherence and identity and the enhanced inter‐city co‐operation. However, it is still difficult to establish effective regional governance due to competing local governments, the arbitrary political leadership and the fragmented planning functions.  相似文献   
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