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南宋前期史学兴盛问题探究
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作者 燕永成 《人文杂志》 CSSCI 北大核心 2020年第6期86-94,共9页
南宋前期作为继北宋中期之后又一史学发展的兴盛时期,该时期史书数量与种类众多,史书体裁体例创新成就突出,史学思想丰富多元,史学传布广度以及社会影响力日益明显。同时,该时期不仅疑经思潮对史学影响作用明显,而且不同学术派别的学者... 南宋前期作为继北宋中期之后又一史学发展的兴盛时期,该时期史书数量与种类众多,史书体裁体例创新成就突出,史学思想丰富多元,史学传布广度以及社会影响力日益明显。同时,该时期不仅疑经思潮对史学影响作用明显,而且不同学术派别的学者往往能积极投身于史学领域,有力推动着史学发展。此外受历史使命或者现实政治议题促使,一些时人撰有颇具鲜明时代特色的军事类和地方志类史著,史学服务于现实功用明显。总之,正因处于史风、学风和政风交融发展的兴盛时期,由此便造就了南宋前期史学发展的兴盛局面,并且该局面对南宋后期以及元代史学均产生了直接影响。 展开更多
关键词 南宋前期 史学兴盛 史风、学风和政风
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转变工作作风 整治"文山会海"
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《政策》 2003年第9期39-40,共2页
近年来,武汉市委按照中央精神和省委的要求,把切实精简不必要的会议和文件作为转变工作作风的突破口,取得了明显成效。今年上半年,以市委办公厅或以市委办公厅、市政府办公厅名义召开的会议共20次,比去年同期下降59.2%;共制发... 近年来,武汉市委按照中央精神和省委的要求,把切实精简不必要的会议和文件作为转变工作作风的突破口,取得了明显成效。今年上半年,以市委办公厅或以市委办公厅、市政府办公厅名义召开的会议共20次,比去年同期下降59.2%;共制发市委各类文件120件,同比下降25%,较好地保证了各级领导干部特别是市委、市政府领导集中精力议大事。 展开更多
关键词 工作作风 武汉市 领导干部 领导方式 工作方法 目标管理工作 文件质量 史风建设 精简工作 行政审批制度 监督管理机制
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Implications for Cultural Landscape in a Chinese Context: Geo-analysis of Spatial Distribution of Historic Sites 被引量:5
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作者 WANG Fang MAO Wen +1 位作者 DONG Ying ZHU Xiaohua 《Chinese Geographical Science》 SCIE CSCD 2018年第1期167-182,共16页
The protection of historic sites, especially their relationship with urban development, has become a worldwide issue, both in developed and developing countries. In the context of rapid urbanization in China, the real... The protection of historic sites, especially their relationship with urban development, has become a worldwide issue, both in developed and developing countries. In the context of rapid urbanization in China, the realistic compatibility between urban construction and the protection of historic sites is always a key research topic. In this study, first, to comprehend their spatial distribution patterns, 828 historic sites throughout the country are selected based on certain criteria. Then, we conduct quantitative research using GIS software, adopting indicators that include Nearest Neighbor Index, Gini Coefficient, and Geographic Concentration Index to analyze the spatial characteristics of historic sites on the three levels of city, province and nation. The results indicate that the spatial distribution of the different types of historic sites is an agglomeration on the nationwide scale, most of which is located in the regions of the Pearl(Zhujiang) River Delta, Yangtze(Changjiang) River Delta and Beijing-Tianjin Region. Because the majority of historic sites are located within approximately 10 km of the downtown area, a certain pattern has emerged, showing that the larger cities own more historic areas, which are in a more incomplete state of preservation, indicating the fragmentation of heritage spaces. The formation mechanism of the historic sites' distribution pattern is based on the conditions of the cities/towns as well as the bid-rent theory. 展开更多
关键词 historic site cultural landscape spatial distribution Geo-analysis ancient city/town past heritage block recent industrialheritage district
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Myocardial infarction with ST-segment elevation in old patient with history of takotsubo syndrome
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作者 Momka Budnik Janusz Kochanowski +3 位作者 Radoslaw Piatkowski Robert Kowalikl Janusz Kochman Grzegorz Opolski 《Journal of Geriatric Cardiology》 SCIE CAS CSCD 2018年第5期376-378,共3页
Takotsubo syndrome (TTS) is a rare condition that af- fects mainly aging women. TTS was first reported in 1990r and is characterized by clinical symptoms, ECG changes and regional wall motion abnormalities without c... Takotsubo syndrome (TTS) is a rare condition that af- fects mainly aging women. TTS was first reported in 1990r and is characterized by clinical symptoms, ECG changes and regional wall motion abnormalities without changes in the coronary arteries. However, some reports admit the pos- sibility of coexistence of TTS and coronary artery disease. We present a patient who had not had any changes in coro- nary arteries until four years later when she had myocardial infarction associated with right coronary artery narrowing, despite the fact that the risk factors of coronary heart disease were closely monitored. 展开更多
关键词 Myocardial infarction Recurrence of disease Takotsubo syndrome
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What is the quantitative risk of gastric cancer in the first-degree relatives of patients? A meta-analysis 被引量:15
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作者 Mohammad Yaghoobi Julia McNabb-Baltar +1 位作者 Raheleh Bijarchi Richard H Hunt 《World Journal of Gastroenterology》 SCIE CAS 2017年第13期2435-2442,共8页
AIMTo quantify the risk of gastric cancer in first-degree relatives of patients with the cancer.METHODSA comprehensive literature search was performed. Case-control trials comparing the frequency of a positive family ... AIMTo quantify the risk of gastric cancer in first-degree relatives of patients with the cancer.METHODSA comprehensive literature search was performed. Case-control trials comparing the frequency of a positive family history of gastric cancer in patients with gastric cancer, vs non-gastric cancer controls were retrieved. Studies with missed or non-extractable data, studies in children, abstracts, and duplicate publications were excluded. A meta-analysis of pooled odd ratios was performed using Review Manager 5.0.25. We performed subgroup analysis on Asian studies and a sensitivity analysis based on the quality of the studies, type of the outcome, sample size, and whether studies considered only first-degree relatives.RESULTSThirty-two relevant studies out of 612 potential abstracts (n = 80690 individuals) were included. 19.0% of the patients and 10.9% of the controls had at least one relative with gastric cancer (P < 0.00001). The pooled relative risk for the development of gastric cancer in association with a positive family history was 2.35 (95%CI: 1.96-2.81). The Cochran Q test for heterogeneity was positive (P < 0.00001, I² = 92%). After excluding the three outlier studies with the highest relative risks, heterogeneity remained significant (P < 0.00001, I² = 90%). The result was not different among Asian studies as compared to others and remained robust in several sensitivity analyses. In the 26 studies which exclusively analysed the history of gastric cancer in first-degree relatives, the relative risk was 2.71 (95%CI: 2.08-3.53; P < 0.00001).CONCLUSIONIndividuals with a first-degree relative affected with gastric cancer have a risk of about 2.5-fold for the development of gastric cancer. This could be due to genetic or environmental factors. Screening and preventive strategies should be developed for this high-risk population. 展开更多
关键词 Gastric cancer RISK RELATIVES Family history META-ANALYSIS
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Assessment of Weathering of Construction Blocks and Mortar in Historical Monuments
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作者 Agnese Kukela Valdis Seglins 《Journal of Earth Science and Engineering》 2012年第4期235-240,共6页
Monitoring and assessment of monuments of cultural heritage is just a small part of all measures necessary for their protection and preservation. Many of these monuments are built of stone and the binder used to bond ... Monitoring and assessment of monuments of cultural heritage is just a small part of all measures necessary for their protection and preservation. Many of these monuments are built of stone and the binder used to bond the construction blocks after a lengthy period of time loses its properties. The loss of binding material or changes in its properties substantially endangers the stability of the monuments thus constituting a menace not only for the visitors, but also for the conservation work. One of such monuments is the Step Pyramid of Djoser in Egypt. In this pyramid different artificial compositions are used as binder and its application in different areas of the pyramid is uneven and almost undistinguishable. Currently it is only possible to appraise the state of preservation of the mortar as a result of weathering process. This research allows identifying up to six weathering types and their intensities. This typology was developed on several sample areas verifying its validity in situ. Since there is no possibility to carry out direct instrumental measurements or take any samples, the classification developed is just empirical and not general. However, it provides relevant support for the development of conservation plans. 展开更多
关键词 LIMESTONE cultural heritage decay cement step pyramid.
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Sites to Remember: Performing the Landscape in Cultural History
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作者 Janys Hayes 《Journal of Literature and Art Studies》 2016年第10期1221-1230,共10页
This paper aims to compare and contrast two site-specific performance productions, both designed to grapple with processes of cultural remembrance, whilst also operating as successful tourist attractions. The narrativ... This paper aims to compare and contrast two site-specific performance productions, both designed to grapple with processes of cultural remembrance, whilst also operating as successful tourist attractions. The narratives encompassed by both productions revolve around shared Australian histories, for audiences attracted by place and what it is able to represent. Re-enactments of past events call into the present a consideration of what still remains, with both shows enabling new subjective interpretations of earlier times. The defining difference between the two, however, rests in the context of each performance, in the one case as a commodification of heritage and in the other case as the desire to produce an artistic yet popular theatrical product. Ballarat's, Sovereign Hill's light and sound show, Blood on the Southern Cross celebrates and commemorates, in mega-spectacle style, the Eureka Stockade, one of Australia's key historical events. Using a mechanised display of the original goldmining site of the Eureka rebellion, the performance is operated by computers with video-projection, multi-phonic sound, and moving model forms, with audiences moved around the massive site on transporters. The Piccolo Tales, a contrasting performance most notably in terms of size, unfolds the history of Kings Cross, through its setting in the miniscule iconic Piccolo Bar, in one of the tiny side streets of Sydney's bustling and densest suburb. This paper encompasses an investigation of how the cultural inscriptions of the two specific sites interweave with the performance styles, materials, political and social positioning of the works. Previous performance studies examining site-specificity are utilised, including the author's analysis of particular festival performances as "place-making" (Hayes, 2012, 2013). Smith's (2009) model of "signposts" is used to consider acting within site-specific productions in a new light, whilst both performances are more completely analysed through Schneider's (2011) concept of incomplete pasts forming "cycles of memory". 展开更多
关键词 cultural history historical re-enactments memory PLACE-MAKING site-specific performance SovereignHill The Eureka Stockade
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Risk Analysis of Historic Urban Areas: A Case Study of the Salerno City, Italy
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作者 Federica Ribera Luigi Petti +2 位作者 Gennaro Miccio Alessandra Landi Alessio Lodato 《Journal of Civil Engineering and Architecture》 2015年第9期1099-1106,共8页
The preservation of historical and cultural heritage from seismic risk is a question of interest in Italy. However, too little has been done to deal with this problem. First of all, the seismic safety of cultural heri... The preservation of historical and cultural heritage from seismic risk is a question of interest in Italy. However, too little has been done to deal with this problem. First of all, the seismic safety of cultural heritage should be a topic of prevention. The research described in the paper presents a multi-approach procedure to address risk assessment of large-scale urban systems with the aim to contribute at the development of risk mitigation policies for historical centers buildings. The observation of the earthquakes effects in Italy clearly highlights the role of the high vulnerability of the existing building on the consequences in terms of casualties and damage, rather than the severity of seismic events, especially in historical contexts. Unlike the new buildings which should be planned and designed to respect seismic safety requirements, existing buildings require a careful safety assessment on the basis of their susceptibility to damage which depends on building techniques, past damage events, maintenance, changes, etc. 展开更多
关键词 Seismic hazard historical centers VULNERABILITY
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Relations Between Intangible and Tangible Culture on Example of Casimir Historical Jewish District in Cracow
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作者 T. E. Malec 《History Research》 2015年第2期109-115,共7页
In Jewish City in Casimir--historical district of Cracow, Jewish culture manifested its original architectural style based mostly on specific detail. Perception of this type of architectural detail depends, basically,... In Jewish City in Casimir--historical district of Cracow, Jewish culture manifested its original architectural style based mostly on specific detail. Perception of this type of architectural detail depends, basically, on knowledge of the Jewish culture. Proper understanding of meaning of the Jewish architectural detail depends on complex relations between Jewish tangible and intangible culture. Nowadays, it is especially important, according to relatively fast revitalization of the district. All renovation works require specific approach taking into account differences based on cultural diversity. Moreover, the understanding of the Jewish architectural detail is strictly connected with both history of Jews and Poles. One thousand years of cohabitation allowed to understand the economical and, partially, social differences, but not cultural at whole. The main aim of the article is to present chosen cultural and non-cultural factors, affecting the perception of the Jewish architectural detail in Casimir. 展开更多
关键词 architectural detail Jewish architecture CULTURE CASIMIR
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Prospective Consensus Building-Ethical Consideration on History of Reason and List of Risks*
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作者 Kumiko Yoshitake 《Journal of Philosophy Study》 2013年第6期443-455,共13页
In consensus building process in medicine, it is said that it is crucial for its participants to understand why each stakeholder, patient, his/her family, physician, nurse, etc., in decision-making has his/her own opi... In consensus building process in medicine, it is said that it is crucial for its participants to understand why each stakeholder, patient, his/her family, physician, nurse, etc., in decision-making has his/her own opinion. In order to understand this condition more deeply, I develop the notion of "reason of opinion" to characterize the process as "prospective consensus building." This prospective consensus building should satisfy the requirements of having "history of reason" and "list of risks." The former requirement, history of reason, can be characterized by making clear when one started to form the reason of an opinion, how one formed the reason, what kind of relationship is supposed to be between the present opinion and its reason, and what kind of result is expected to come out after a decision making. The latter requirement, the list of risks, should display what kind of outcomes are supposed to come out in each alternative of the decision making. Prospective consensus building makes it possible, firstly, for the stakeholders to understand the patient's needs more deeply. For the patient, secondly, the each stakeholder would be able to become aware of his/her own sense of value and to confirm what he/she expects from the result of his/her decision-making. For all the stakeholders, thirdly, it would make it possible to decrease the amount of risks of misunderstanding and to share their expectations for their well-being. Finally, the stakeholders can reach a satisfactory consensus and find a way to the better solution. 展开更多
关键词 consensus-building decision-making in medicine history of reason
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Study on the Policy of Embodying Language Difference between Chinese and Western Culture
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作者 LI Yan 《International English Education Research》 2016年第1期69-70,共2页
For centuries, cross-cultural exchange activities throughout history, language and culture from the communication is an integral part of the contact. For the entire human history, cross-cultural communication is not s... For centuries, cross-cultural exchange activities throughout history, language and culture from the communication is an integral part of the contact. For the entire human history, cross-cultural communication is not strange. It plays an important role in studying different languages. Language is the carrier of culture and the main manifestation of culture. Language is developing with the development of a nation, it is an integral part of national culture, history, customs and local customs and practices, the nation's culture and social customs are also in the national language to show. The different historical background and development process leads to great difference exists in Western languages. With mutual understanding and deepen, the conflict in western culture are increasing. Language is the primary from of communication. And the use of language and culture are closely related. So "differences between Chinese culture and Western culture in English language" has become the important topic of intercultural communication. 展开更多
关键词 cultural difference the policy of embodiment mode of thinking
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Analysis of Debussy Piano Music "fireworks" Performance
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作者 Junzhong ZHANG 《International Journal of Technology Management》 2014年第12期15-17,共3页
Debussy is one of the famous composers in music history, and he not only created a lot of innovative music, but also created a musical impressionist era, it is a landmark composers having. "Fireworks" is one of the ... Debussy is one of the famous composers in music history, and he not only created a lot of innovative music, but also created a musical impressionist era, it is a landmark composers having. "Fireworks" is one of the important works of Debussy, which was the last song he composed 24 piano preludes, and this work fully reflects all his creative ideas, creative approach and creative style, as well as their patriotism inner world monologue. This paper focuses on the piano Debussy' s 24 Preludes a brief introduction, analyze the reasons for the formation of its style and structure of the work through, music image, sound system and playing tips and other aspects of "fireworks" . 展开更多
关键词 DEBUSSY Piano Preludes performance analysis fireworks Impressionism
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Historical temporal variation in precipitation over Western Himalayan Region:1857-2006
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作者 naresh kumar ashok kumar jaswal 《Journal of Mountain Science》 SCIE CSCD 2016年第4期672-681,共10页
This study has examined the temporal variation in monthly, seasonal & annual precipitation over the Western Himalayan Region(WHR) and the influence of global teleconnections, like the North Atlantic Oscillation(NA... This study has examined the temporal variation in monthly, seasonal & annual precipitation over the Western Himalayan Region(WHR) and the influence of global teleconnections, like the North Atlantic Oscillation(NAO) and Southern Oscillation(SO) Indices on seasonal & annual precipitation. The Mann–Kendall non-parametric test is applied for trend detection and the Pettitt–Mann–Whitney test is used to detect possible shift. Maximum entropy spectral analysis is applied to find the periodicity in annual & seasonal precipitation. The study shows a non-significant decreasing trend in annual precipitation over WHR for the period 1857-2006. However, in seasonal precipitation, a significant decreasing trend is observed in monsoon and a significant increasing trend in post-monsoon season during the same period. The significant decrease in monsoon precipitation may be due to weakening of its teleconnection with NAO as well as SO Indices mainly during last three decades. It is observed that the probable change of year in annual & monsoon precipitation over WHR is 1979. The study also shows significant periodicities of 2.3-2.9 years and of 3.9-4.7 years in annual & seasonal precipitation over WHR. 展开更多
关键词 Monsoon Precipitation Western Himalayan region Temporal Variation
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Zhang Heng's Seismoscope( 2):Historical Materials and Investigation
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作者 Feng Rui Wu Yuxia 《Earthquake Research in China》 2014年第1期12-21,共10页
Historical data regarding Zhang Heng's seismoscope is not singular proof. Actually,the four earliest historical documents,i. e.,Continuation of Historiography of Han Dynasty, Historiography of the Later Han,Book o... Historical data regarding Zhang Heng's seismoscope is not singular proof. Actually,the four earliest historical documents,i. e.,Continuation of Historiography of Han Dynasty, Historiography of the Later Han,Book of the Later Han and Ding Record all have relevant records of its structure,size,principle,response to earthquake and actual applications. These five aspects are supported by archaeological research,unearthed cultural relics, historical earthquakes and modern seismological study. These historical materials contain a great deal of specific information about this ancient seismoscope. In conclusion, the authenticity and reliability of Zhang Heng's seismoscope are verified. 展开更多
关键词 Historical documents of Zhang Heng's seismoscope Archaeological research Seismological study
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Quantitative Seismicity Analysis for the Risk of Historical Large Earthquake Rupture Zone:Application to the Mid-North Segment of the North-South Seismic Belt
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作者 Long Feng Jiang Changsheng +1 位作者 Feng Jiangang Tang Lanlan 《Earthquake Research in China》 2013年第3期331-343,共13页
Although seismic gap theory plays an important role in the med-and long-term earthquake prediction,the potential risk of the non-seismic gap in historical earthquake rupture areas will need to be simultaneously taken ... Although seismic gap theory plays an important role in the med-and long-term earthquake prediction,the potential risk of the non-seismic gap in historical earthquake rupture areas will need to be simultaneously taken into account in the study of med-and long-term earthquake prediction,due to the temporally clustering or non-linear behavior of large earthquake recurrence.In order to explore technical methods which can be based on observational data,and identify historical earthquake rupture zones( including the seismic gap in historical and prehistoric earthquake rupture zones),we select eight historical large earthquake rupture zones with different elapsed times on the mid-north segment of the North-South Seismic Belt to make quantitative analysis on the characteristics of modern seismicity of these zones and preliminarily explore the seismicity method for determining the urgency degree of potential earthquake hazards.The results mainly show that the pvalue,which reflects the attenuation of earthquake sequence,and the a-value,which reflects the seismicity rate,are strongly related to the elapsed time of the latest earthquake in the rupture zone.However,the corresponding relationships in some rupture areas are not clear perhaps due to the complex fault structure and faulting behavior.The b-value,which represents the state of tectonic stress accumulation,does not easily reflect the elapsed time information of different evolution stages.The b-value temporal scanning shows a steady evolution over time in most of the rupture zones,but in the rupture zone of the Wudu M8.0 earthquake of 1879,the b-value shows significant fluctuations with a decreasing trend for 20 years.By comparative analysis,we conclude that the rupture zones of the 1933 M7.5 Maoxian earthquake and the 1976 M7.2 Songpan-Pingwu earthquake are still in the decaying period of earthquake sequences,and thus do not have the background for recurrence of M7.0 earthquakes.The low b-value Maqu segment,which is located at the north margin of the rupture zone of the 842A.D.M7.0 Diebu earthquake,is more dangerous than the Diebu segment.The continuous decline of the b-value in the 1879 M8.0 Wudu earthquake rupture zone may also indicate a new round of seismogenic process. 展开更多
关键词 Historical earthquake rupture zone Large earthquake risk SEISMICITY Mid-north segment of North-South Seismic Belt
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Historicity of Texts and Textuality of History On The Virginian From the Perspective of New Historicism
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作者 LIU Jie-xiu 《Journal of Literature and Art Studies》 2014年第4期259-263,共5页
The Virginian: A Horseman of the Plains (1902) has been considered as one of the masterpieces of American western novels for its successful depiction of cowboys and local customs, which earns Owen Wister the Father... The Virginian: A Horseman of the Plains (1902) has been considered as one of the masterpieces of American western novels for its successful depiction of cowboys and local customs, which earns Owen Wister the Father of Western fiction. The paper aims to reveal the relationship between The Virginian and its historical context by applying the doctrines of New Historicism: historicity of texts and textuality of history. By historicity of texts, it points out that the work is the emblem of disappearance of western frontier, and it symbolizes the union of the Wild West and the civilized east. By textuality of history, it detects the change of social class, the development of livestock industry and railway, and their influence on the work at the later part of 19th century. 展开更多
关键词 The Virginian new historicism TEXT HISTORY
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试论北宋元祐时期的史学风气
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作者 燕永成 《史学理论研究》 CSSCI 北大核心 2023年第3期63-76,159,共15页
独特的史学风气往往体现着特定时代的政治、学术甚至社会文化风貌,它是现实政治、学术理念及该时期学者兴趣爱好等多重因素综合作用的结果。北宋哲宗元祐时期,元祐更化的独特政治色彩直接影响当时官私变革史的书写。这一时期诸多学术精... 独特的史学风气往往体现着特定时代的政治、学术甚至社会文化风貌,它是现实政治、学术理念及该时期学者兴趣爱好等多重因素综合作用的结果。北宋哲宗元祐时期,元祐更化的独特政治色彩直接影响当时官私变革史的书写。这一时期诸多学术精英参与史学活动中,他们不仅继承与发扬了仁宗时的学术风气,而且善于发挥自身学术喜好,崇奉《春秋》学,推崇汉唐史。另外,一些官僚士大夫积极编写实用性史著,讲求朋党论,由此增强了史学的政治化与社会化功用。元祐时期史学风气无疑是当时史风与政风、学风及学者自身喜好交融发展的结果,并产生了深远影响。 展开更多
关键词 元祐时期 史风 政风 学风 史学影响
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Mineral chemistry and 3D tomography of a Chang’E 5 high-Ti basalt:implication for the lunar thermal evolution history 被引量:5
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作者 Yun Jiang Ye Li +2 位作者 Shiyong Liao Zongjun Yin Weibiao Hsu 《Science Bulletin》 SCIE EI CSCD 2022年第7期755-761,共7页
In December 2020, Chang’E-5(CE-5), China’s first lunar sample return mission, successfully collected samples totaling 1731 g from the northern Oceanus Procellarum. The landing site was located in a young mare plain,... In December 2020, Chang’E-5(CE-5), China’s first lunar sample return mission, successfully collected samples totaling 1731 g from the northern Oceanus Procellarum. The landing site was located in a young mare plain, a great distance from those of Apollo and Luna missions. These young mare basalts bear critical scientific significance as they could shed light on the nature of the lunar interior(composition and structure) as well as the recent volcanism on the Moon. In this article, we investigated a CE-5 basalt sample(CE5 C0000 YJYX065) using a combination of state-of-art techniques, including high resolution X-ray tomographic microscopy(HR-XTM), energy dispersive X-ray spectroscopy(EDS)-based scanning electron microscope(SEM), and electron probe microanalysis(EPMA) to reveal its 3 D petrology and minerology.Our results show that this sample has a fine-to medium-grained subophitic texture, with sparse olivine phenocrysts setting in the groundmass of pyroxene, plagioclase, ilmenite and trace amounts of other phases. It has an extremely high ilmenite modal abundance(17.8 vol%) and contains a significant amount(0.5 vol%) of Ca-phosphate grains. The mineral chemistry is in excellent agreement with that of Apollo and Luna high-Ti basalts. The major phase pyroxenes also display strong chemical zoning with compositions following the trends observed in Apollo high-Ti basalts. Based on current data, we came to the conclusion that CE5 C0000 YJYX065 is a high-Ti mare basalt with a rare earth element(REE) enriched signature. This provides a rigid ground-truth for the geological context at the CE-5 landing site and clarifies the ambiguity inferred from remote sensing surveys. 展开更多
关键词 Chang’E-5 High-Ti basalt Mare basalt High resolution X-ray tomographic microscopy(HR-XTM) Lunar return sample
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High-resolution clay mineral assemblages in the inner shelf mud wedge of the East China Sea during the Holocene: Implications for the East Asian Monsoon evolution 被引量:1
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作者 Jianyong FANG Zhifei LIU Yulong ZHAO 《Science China Earth Sciences》 SCIE EI CAS CSCD 2018年第9期1316-1329,共14页
The inner shelf mud wedge of the East China Sea(ECS) is a high-sedimentation-rate fine-grained sediment unit that has preserved a continuous environmental evolution history since the last deglaciation. We present a hi... The inner shelf mud wedge of the East China Sea(ECS) is a high-sedimentation-rate fine-grained sediment unit that has preserved a continuous environmental evolution history since the last deglaciation. We present a high-resolution clay mineralogical study from Core MD06-3040 to semi-quantitatively evaluate terrigenous sediment contributions from various potential provenances throughout the Holocene. The results showed that the clay mineral assemblage is composed of dominant illite(34–49%), moderate smectite(16–41%) and chlorite(15–28%), and minor kaolinite(5–12%). Provenance analysis suggested that most fine-grained terrigenous sediments originated from the Yangtze River, with minor sediments derived from Taiwan island and negligible sediments from nearby Zhejiang and Fujian provinces. Time series variation in the contribution of the Yangtze source fluctuated in the range of 38–80%, whereas that of Taiwan island had a converse variation pattern from ~10%to ~55%, and the contribution of Fujian was relatively stable in the range of 7–11% throughout the Holocene. The fluctuations of clay mineral assemblages and variations of clay mineral contributions from different provenances of Core MD06-3040 were controlled by the variability of precipitation in the Yangtze drainage associated with periodic fluctuations in the East Asian monsoonal circulation. 展开更多
关键词 Clay mineral Semi-quantitative contribution East Asian Monsoon HOLOCENE Inner shelf mud wedge East ChinaSea
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Should Historical Attractions Be Outsourced?
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《Beijing Review》 2016年第49期46-47,共2页
Yueyang Tower,located by Dongting Lake in the city of Yueyang,central China’s Hunan Province,is a time-honored scenic spot,well known across the nation.Its fame is particularly attributed to a renowned Song Dynasty p... Yueyang Tower,located by Dongting Lake in the city of Yueyang,central China’s Hunan Province,is a time-honored scenic spot,well known across the nation.Its fame is particularly attributed to a renowned Song Dynasty poet and intellectual,Fan Zhongyan(989-1052), 展开更多
关键词 intellectual honored Hunan tower attributed renowned tourism heritage spots sector
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