检索结果-南通市图书馆

S-wave velocity and Poisson's ratio structure of crust in yunnan and its implication

Science china Earth Sciences 2005年第2期48卷 210-218页

作者： HU Jiafu, SU Youjin, ZHU Xiongguan & CHEN Yun Geophysical Department of yunnan University, kunming 650091,{2. seismological Bureau of yunnan province, kunming 650041,{2. Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100101,{2. Geophysical Department of yunnan University Kunming China seismological Bureau of yunnan {2. Kunming China Institute of Geology and Geophysics Chinese Academy of Sciences Beijing China

Receiver function of body wave under the 2. stations in yunnan was extracted from 3-component broadband digital recording of teleseismic event. Thus, the S-wave velocity structure and distribution characteristics of Poisson's ratio in crust of yunnan are obtained by inversion. The results show that the crustal thickness is gradually thinned from north to south. The crustal thickness in Zhongdian of northwest reaches as many as 62.0 km and the one in Jinghong of further south end is only 30.2.km. What should be especially noted is that there exists a Moho upheaval running in NS in the Chuxiong region and a Moho concave is generally parallel to it in Dongchuan. In addition, there exists an obvious transversal inhomogeneity for the S-wave velocity structure in upper mantle and crust in the yunnan region. The low velocity layer exists not only in 10.0-15.0 km in upper crust in some regions, but also in 30.0-40.0 km in lower crust. Generally, the Poisson's ratio is on the high side, however it has a better corresponding relation to the crustal velocity structure. An obvious block distribution feature is still shown on such a high background of Poisson's ratio. It is discovered by synthetically analyzing the velocity structure and Poisson's ratio distribution that there are high Poisson's ratio and complicated crust-mantle velocity structure feature in the Sichuan-yunnan Diamond Block with Xiaojiang fault to be the east boundary and Yulong Snow Mountain fault to be the west boundary besides the frequent seismicity. This feature differs obviously from that of surrounding areas, which would provide geophysical evidence to deeply study the eastwardly flowage of lithospheric substances in the Qinghai-Tibet Plateau.

关键词： yunnan, S-wave velocity, Poisson's ratio, Sichuan-yunnan Diamond Block.

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Strong Earthquake Activity and Its Relation to Regional Neotectonic Movement in Sichuan-yunnan Region

引用

Earthquake Research in china 2001年第3期15卷 239-251页

作者： Su Youjin and Qin Jiazheng seismological Bureau of yunnan {2.,kunming 650041,china seismological Bureau of yunnan {2. Kunming 650041 China

Based on analyzing space inhomogeneous image of strong earthquake activity, the image of source rupture and the mechanical property of the source fault in Sichuan-yunnan region, the relations among the strong earthquake activity, active fault, modern movement status of active blocks and structural background of the deep media have been discussed, and the characteristics of strong earthquake activity and possible mechanism have been also discussed.

关键词： Sichuan-yunnan region Strong earthquake activity Neotettonic movement

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Analysis on the Regional Features of Coda Attenuation Before and After the 1992.Qina (M_S= 5.4, 5.1) Earthquakes in WYEPSA

引用

Earthquake Research in china 1996年第2期10卷 47-58页

作者： Qin Jiazheng, Liu Zuyin, and Long Xiaofan seismological Bureau of yunnan {2., kunming 650041, china

Using the theoretical model of coda scattering from local earthquakes, we have studied the features of time-space variations of the attenuation rate β of coda amplitude and coda Qc-1 values before and after the Qina earthquakes (MS5.4 and MS5.1) in Dec. 1992.in West yunnan Earthquake Prediction Study Area (WYEPSA). The study results show that the attenuation rate of coda amplitude has remarkable regional inhomogeneity in the near-field (△ 2.9 s-1 and Qc-1 = 0.0153 during the aftershock. The Qc-1 value shows an approximate 3-foid variation before and after the main shock. We have also obtained the regional averages of β = 0.02.5 s-1 and Qc-1 = 0.0153, which show that the coda attenuation in surrounding areas (△ > 50 km) far away from the epicenter of the main shock did not change much before and after the main shock. The evolution of Qc-1 values of the main seismic sequence with time has passed

关键词： Anomalous character Q value method of the coda wave Earthquake precursor Western-yunnan seismological experiment site

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Mutation Anomalies of the Wave Velocity Ratio at a Single Station Before the Lancang-Gengma Earthquake

引用

Earthquake Research in china 1996年第3期10卷 53-62页

作者： Cai Jingguan,Lei Suhua,and Zhang Xiling seismological Bureau of yunnan {2.,kunming 650041,china

In this paper,the process of dynamic variation of the wave velocity ratio that occurred at a single station,such as Lancang,Tengchong,and Eryuan stations,8 years before the Lancang-Gengma earthquakes(Ms=7.6 and 7.2.,is studied by applying the synthetic method as a *** is found that the moderately strong and strong earthquakes 2.0 km away that occurred since 1983 may lead to mutation anomalies of the wave velocity ratio in the Lancang *** mutation amplitude is increased with the approaching time and distance of a large *** reliability of mutation data for the wave velocity ratio has been demonstrated in many *** application of mutation of the wave velocity ratio to earthquake prediction and its physical explanation are discussed.

关键词： Seismic velocity ratio Earthquake prediction Earthquake precursor yunnan Mutation

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Response to“Discussion on the systematic position of the Early Cambrian priapulomorph worms”

引用

Science Bulletin 2006年第2期51卷 250-256页

作者： HAN Jian1 & HU Shixue2.1. Department of Geology and Key Laboratory for Continental Dynam- ics of the Education Ministry, Northwest University, Xi’an 710069, china 2. yunnan Geological Institute, {2. 650011, china Department of Geology and Key Laboratory for Continental Dynamics of the Education Ministry Northwest University Xi’an China yunnan Geological Institute Kunming China

A response by Han Jian & Hu Shixue to a letter to the editor about their article 'Systematic Position of the Early Cambrian priapulomorph worms' in the 2.04 issue is presented.

关键词： Response to Discussion on the systematic position of the Early Cambrian priapulomorph worms

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

A Dipole Charged Body (DCB) Source Model on the Seismo-Electromagnetic Effect

引用

Earthquake Research in china 1994年第2期8卷 96-101页

作者： Bao Dexm,Zhang Xiong and Chen LideDepartment of Physics,yunnan University,kunming 650091,{2. seismological Bureau of yunnan province,kunming 650041,{2.

In this paper,the seismo-electromagnetic effect source is summed up to a Dipole Charged Body(DCB),which has a transient dipole *** field excited by DCB is considered as a superposition of three kinds of fields-quasi-static field,inductive field and radiative field-which follows its own *** is also discussed that the different frequency seismo-electromagnetic wave observed at the same site might belong to different kinds of *** provides a theoretical basis for computing the three kinds of fields respectively,

关键词： superposition radiative dipole excited inductive inhomogeneous Observation quasi absolutely observing

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Statistical Research on the Seismic Quiescence Before the 1988 Lancang-Gengma Earthquakes with M=7.6 and 7.2.in yunnan province,{2.

引用

Earthquake Research in china 1996年第3期10卷 75-83页

作者： Liu Zuyinseismological Bureau of yunnan {2.,kunming 650041,china

In this paper,the temporal and spatial variation process of seismicity in areas from Lancang to Tengchong before the 1988 Lancang-Gengma earthquakes(M=7.6,7.2.,January 1980 to October 1988,is studied in detail according to the theory that the whole process of earthquake sequence in the time stage of anomalous seismicity before a strong event may be considered as the non-homogeneous Poisson *** results demonstrate that(1)from April 1985 to April 1988,there existed an obvious difference of seismicity in spatial distribution in the whole region; to the north of Lancang,there occurred two seismic quiescent belts:one is 2.0 km long for M≥3.5 events and anotheris 160 km long for M≥3.0 events; therefore,this may be classified into four sub-regions from south to north,that is,the south region,the mid-region,the mid’-region,and the north region.(2.Before the mainshocks,there existed anomalous seismic quiescence for as Song as 42.months in the mid-region(M≥3.5)and 32.5 months in the mid’-region(M≥3.0)

关键词： Anomalous seismicity Non-homogeneous Poisson process Statistical research

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

鲍卫忠工作方法的时代价值

引用

人民司法 2024年第4期 21-24页

作者： Party Group of Lincang Intermediate People's Court of yunnan province 云南省临沧市中级人民法院

2.2.年12.18日,中共中央宣传部追授鲍卫忠同志“时代楷模”称号。他长期扎根祖国西南边睡,对党忠诚、公正司法,为民族地区繁荣稳定贡献法治力量;他始终珍视民族团结,深入村寨普法释法,依法保护各族群众合法权益,被当地群众亲切地称为... 详细信息

2.2.年12.18日,中共中央宣传部追授鲍卫忠同志“时代楷模”称号。他长期扎根祖国西南边睡,对党忠诚、公正司法,为民族地区繁荣稳定贡献法治力量;他始终珍视民族团结,深入村寨普法释法,依法保护各族群众合法权益,被当地群众亲切地称为佤山法治“老黄牛”;他严于律已、清正廉洁,彰显了新时代人民法官的政治本色。在2.年执法办案和服务群众的司法实践中,鲍卫忠同志积累了丰富的工作经验和方法。鲍卫忠同志的工作方法,集中体现了习近平法治思想人民至上的理论品格与深刻的现实关怀,具有丰富的时代价值。

关键词：习近平法治思想公正司法理论品格中共中央宣传部西南边睡严于律已执法办案现实关怀

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

The Residual Deformation and Equivalent Source of the Lancang-Gengma Earthquake

引用

Earthquake Research in china 1994年第4期8卷 102-110页

作者： Li Liping and Wang Xianrenseismological Bureau of yunnan {2.,kunming 650041,china

In this paper,the equivalent force inside the source which produces a large area deformation field is calculated by using the records of residual deformation,S wave radiation of shear dislocation source and Green function of the Lancang-Gengma *** the action of equivalent force whose intensity was 1.103×1013 N,the crust derm of northeast segment of seismic fault had finished the upraise and formed permanent irrecoverable deformation within 2..46 min after the major earthquake *** authors indicate that the residual deformation would split into 2.deformation fields with different propagation velocities and different directions in the Song-distance propagation process.

关键词： : Residual deformation Equivalent force Arrival time Splitting

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Statistical analyses of metric data of hominoid teeth found in Yuanmou of china

引用

Chinese Science Bulletin 2000年第10期45卷 936-942页

作者： LIU Wu, ZHENG Liang & JIANG Chu1. Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing 100044, china 2. Institute of Archaeology of yunnan {2., kunming 650118, china 3. Yuanmou Man Museum, Yuanmou 651300, china Institute of Vertebrate Paleontology and Paleoanthropology Chinese Academy of Sciences Beijing China Institute of Archaeology of yunnan province Kunming China Yuanmou Man Museum Yuanmou China

Mesial-distal and buccal-lingual dimensions of 1 2.6 hominoid teeth found in Yuanmou of yunnan province during the period of 1986 and 1988 have been measured. The statistical analyses of the metric data show that the tooth sizes of Yuanmou hominoid can be divided into big and small two types, and most tooth dimensions display obvious bimodalities in both histograms and 2.dimensional plots. The coefficients of variance (CV) reveal that the CVs of Yuanmou hominoid tooth sizes are within or close to the CV ranges of Lufengpithecus and extant great apes. The comparisons of tooth sizes and their proportions indicate that Yuanmou hominoids have close affinities with Lefeng and Kaiyuan hominoids, and have obvious differences with Gorilla, Chimpanzee and Orangutan. The authors believe that the hominoid fossils found in Yuanmou in the past 10 years represent a single species with highly sexual dimorphism in morphology and this species may have a close evolutionary relationship with the hominoids found in

关键词： human origin Yuanmou hominoid dental metrics statistical analyses.

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：