普陀山国内旅游者特征及行为调查分析

利用实地问卷调查数据,分析了普陀山国内旅游者人口学特征、国内客源地空间分布特征、旅游者动机和行为、旅游效果,以此为基础,论述了普陀山国内旅游市场结构存在的问题,提出了重视市场细分研究、塑造鲜明旅游地形象、加强配套设施建设等旅游产品开发建议.     

张家界市永定区国内旅游客源市场结构特征分析

在对张家界市永定区国内旅游客源市场现状进行抽样调查的基础上,对永定区国内旅游客源市场的人口学特征、时间结构、地域结构、旅游者行为特征等方面进行了认真分析,据此得出永定区旅游客源市场发展、主体分布等一些带有规律性的东西,为该区国内旅游客源市场的开发提供科学依据.     

边境型旅游地客源市场空间结构研究--以延边朝鲜族自治州为例

边境型旅游地是区别于内地型旅游地的一种独特类型。通过实地考察、游客调查问卷数据和相关资料,研究人员分析了延边朝鲜族自治州旅游客源市场空间结构特征,并从国际、国内两种角度将边境型旅游地与内地的海滨型、山岳观光型、城市型、古村落型旅游地以及其他不同地域的边境型旅游地的客源市场空间结构进行了对比分析,揭示了边境型旅游地的客流特征,并就如何促进边境型旅游地旅游业的进一步发展提出了建议。     

五台山国内客源市场时空结构变化特征分析

客源市场是旅游地理学研究的核心内容之一,也是旅游地发展的基础.以五台山客源市场为研究对象,选择五台山2001年~2014年的旅游客流数据,运用地理集中度指数、客源市场距离特征指数、年际变动指数分析了五台山国内客源市场的时空结构变化特征.结果表明,2001年~2007年五台山国内客源市场集中度较高,过分依赖于周边区域客源市场,2008年~2012年五台山国内旅游客源市场趋于分散;客源市场的距离特征分析表明五台山对周围500 km外的客源市场的吸引力较弱,对近距离游客的吸引力较强;由于受到政治、经济等因素的影响,五台山客源市场年际变动指数总体呈上升趋势,2004年~2010年的旅游客源市场的年际变动指数比较稳定;五台山旅游客流的淡旺季变化比较明显;近两年来"十一"黄金周客流量减少.研究提出应细分旅游客源市场、调整目前旅游地形象营销策略并优化产品结构.     

山岳型旅游地国内市场空间结构的演化研究--以黄山、九华山为例

由于资源禀赋的差异,各山岳知名度、等级、功能不同,其客源市场结构演化也不同.文章以黄山、九华山为例,通过对1994-2001年间黄山和九华山国内客源市场空间结构演化特征的分析,指出两山主要客源市场均较稳定,但两山由于旅游资源强度效应的差异导致客源集中度和近、中、远程客源市场演化特征差异明显.由此推导出山岳型旅游地客源市场空间结构演化的一般规律.     

福建省沿海旅游地客源市场空间结构分析

以福建省沿海城市为研究区域,对福建省沿海旅游地入境客源市场进行了竞争态分析和地理集中度分析,对国内客源市场进行了地理集中度分析、市场等级划分、市场份额随空间距离变化的分析.结论表明:福建省沿海旅游地境内外客源市场分布较广,市场较为稳定;入境客源市场基本形成国际市场、香港市场、台湾市场“三足鼎立”的市场格局;国内客源接待...     

红色旅游地客源市场结构研究——以皖南事变烈士陵园为例

红色旅游市场是一种特殊类型的旅游市场,在当前大力发展红色旅游的背景下,深入分析红色旅游市场特征,有利于推进红色旅游的可持续发展.文章利用安徽泾县皖南事变烈士陵园2000-2003年国内游客的统计资料,分析了红色旅游市场的时间结构、空间结构、旅游者类型结构特征.结果表明,与其它类型的旅游地一样,红色旅游地的发展同样受到与客源地的空间距离、客源地的经济水平及旅游地知名度的影响.     

西递国内游客特征、旅游动机及旅游效果的初步研究

作为世界文化遗产，西递正备受旅游者的关注与青睐。本文在实地问卷调查的基础上，从游客特征、旅游动机及旅游效果三个方面对西递国内旅客展开分析，有助于当地政府及旅游企业更好的进行相关的旅游管理和市场营销工作，有助于提高客流量和提升西递旅游地的整体旅游形象。     

旅游地生态文明形象感知的测度与差异——基于不同行为类型旅游者比较

以"国家生态市"苏州为例,测度旅游者对旅游地生态文明形象的感知,并运用多样本限定潜在类别模型检验方法,分析不同行为类型旅游者对旅游地的生态文明形象感知差异.研究表明:(1)旅游者对苏州市的生态文明形象感知要素评价存在明显分歧;比较不同行为类型旅游者,生态文明旅游者以好评为主,非生态文明旅游者以差评为主.(2)"绿化繁茂"、"城市风貌独特"和"水质优良"分别为最佳、次佳和最差感知要素,这与苏州市相关建设实际相符;2类旅游者感知要素评价存在相同结论.(3)旅游者对苏州市的生态文明形象感知分为"高感知组"、"中感知组"和"低感知组";生态文明旅游者感知类型优于非生态文明旅游者.     

宣城市国内旅游客源市场特征及营销策略

国内游客是宣城市旅游业的主体客源.通过对宣城市国内旅游客源市场特征的细致分析,确定了国内游客的地理目标市场,并提出了相应的市场营销对策.     

An Index mechanism for multi-scale view in spatial databases

There are numerous geometric objects stored in the spatial databases. An importance function in a spatial database is that users can browse the geometric objects as a map efficiently. Thus the spatial database should display the geometric objects users concern about swiftly onto the display window. This process includes two operations:retrieve data from database and then draw them onto screen. Accordingly, to improve the efficiency, we should try to reduce time of both retrieving object and displaying them. The former can be achieved with the aid of spatial index such as R-tree, the latter require to simplify the objects. Simplification means that objects are shown with sufficient but not with unnecessary detail which depend on the scale of browse. So the major problem is how to retrieve data at different detail level efficiently. This paper introduces the implementation of a multi-scale index in the spatial database SISP (Spatial Information Shared Platform) which is generalized from R-tree. The difference between the generalization and the R-tree lies on two facets: One is that every node and geometric object in the generalization is assigned with a importance value which denote the importance of them, and every vertex in the objects are assigned with a importance value,too. The importance value can be use to decide which data should be retrieve from disk in a query. The other difference is that geometric objects in the generalization are divided into one or more sub-blocks, and vertexes are total ordered by their importance value. With the help of the generalized R-tree, one can easily retrieve data at different detail levels.Some experiments are performed on real-life data to evaluate the performance of solutions that separately use normal spatial index and multi-scale spatial index. The results show that the solution using multi-scale index in SISP is satisfying.     

Characterization of Ordovician carbonate reservoirs, southeastern Saskatchewan, Canada

The discovery of the prolific Ordovician Red River reservoirs in 1995 in southeastern Saskatchewan was the catalyst for extensive exploration activity which resulted in the discovery of more than 15 new Red River pools. The best yields of Red River production to date have been from dolomite reservoirs. Understanding the processes of dolomitization is, therefore, crucial for the prediction of the connectivity, spatial distribution and heterogeneity of dolomite reservoirs.The Red River reservoirs in the Midale area consist of 3～4 thin dolomitized zones, with a total thickness of about 20 m, which occur at the top of the Yeoman Formation. Two types of replacement dolomite were recognized in the Red River reservoir: dolomitized burrow infills and dolomitized host matrix. The spatial distribution of dolomite suggests that burrowing organisms played an important role in facilitating the fluid flow in the backfilled sediments. This resulted in penecontemporaneous dolomitization of burrow infills by normal seawater. The dolomite in the host matrix is interpreted as having occurred at shallow burial by evaporitic seawater during precipitation of Lake Almar anhydrite that immediately overlies the Yeoman Formation. However, the low δ18O values of dolomited burrow infills (-5.9‰～ -7.8‰, PDB) and matrix dolomites (-6.6‰～ -8.1‰, avg. -7.4‰ PDB) compared to the estimated values for the late Ordovician marine dolomite could be attributed to modification and alteration of dolomite at higher temperatures during deeper burial, which could also be responsible for its 87Sr/86Sr ratios (0.7084～0.7088) that are higher than suggested for the late Ordovician seawaters (0.7078～0.7080). The trace amounts of saddle dolomite cement in the Red River carbonates are probably related to "cannibalization" of earlier replacement dolomite during the chemical compaction.     

A computer generator for randomly layered structures

AcomputergeneratorforrandomlylayeredstructuresYUJia shun1,2,HEZhen hua2(1.TheInstituteofGeologicalandNuclearSciences,NewZealand;2.StateKeyLaboratoryofOilandGasReservoirGeologyandExploitation,ChengduUniversityofTechnology,China)Abstract:Analgorithmisintrod…     

Perspherical Approaches for Electrons in Atoms and Charged Excitons in Quantum Wells

Instead of following Fock’s expansion,we solve the Schrodinger equation for some quantum mechanical manybody systems such as electrons in atoms and charged excitons in quantum wells in a similar way in hyperspherical coordinates by expanding the wave functions into orthonormal complete basis sets of the hyperspherical hannonics(HHs)of hyperangles and generalized Laguerre polynomials(GLPs)of the hyperradius.This leads the equation to     

Advances in broadband wireless communications under high-mobility scenarios

Future mobile communication systems aim at providing very high data transmission rates, even in high-mobility scenarios such as high-speed wheel-track trains, maglev trains, highway vehicles, airplanes, guided missiles or spacecraft. A particularly important commercial application is the strong and increasing worldwide demand for high- speed broadband wireless communications （up to 574.8 km/ h test speeds or 380 km/h commercial speeds） in railways, providing data, voice and video services for applications such as onboard entertainment services to passengers, train control, train dispatch, train sensor status handling and sur- veillance. In such high-mobility scenarios, there are a number of communication challenges, including fast hand- over, location updating, high-speed channel modeling, estimation and equalization, anti-Doppler spreading tech- niques, fast power control, and dedicated network architec- ture. Because signal transmission in very high-speed scenarios will inevitably experience serious deterioration, it is imperative to develop key broadband mobile communi- cation techniques for such high-speed vehicles.     

Wuhan University Journal of Natural Sciences TOTAL CONTENTS

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Scale-based spatial data model for GIS

Being the primary media of geographical information and the elementary objects manipulated, almost all of maps adopt the layer-based model to represent geographic information in the existent GIS. However, it is difficult to extend the map represented in layer-based model. Furthermore, in Web-Based GIS, It is slow to transmit the spatial data for map viewing. In this paper, for solving the questions above, we have proposed a new method for representing the spatial data. That is scale-based model. In this model we represent maps in three levels: scale-view, block, and spatial object, and organize the maps in a set of map layers, named Scale-View, which associates some given scales.Lastly, a prototype Web-Based GIS using the proposed spatial data representation is described briefly.     

海南岛地体及其毗邻陆缘晚中生代—新生代古地磁研究和构造演化

本文叙述了对海南岛及其毗邻大陆边缘白垩纪到第四纪地层岩石进行古地磁研究的全部工作过程。通过分析岩石中剩余磁矢量的磁偏角及磁倾角的变化,提出海南岛白垩纪以来经历的构造演化模式如下:早期伴随顺时针旋转而向南迁移,后期伴随逆时针转动并向北运移。联系该地区及邻区的地质、地球物理资料,对海南岛上述的构造地体运动提出以下认识:北部湾内早期有一拉张作用,主要是该作用使湾内地壳显著伸长减薄,形成北部湾盆地。从而导致了海南岛的早期构造运动,而海南岛后期的构造运动则主要是受南海海底扩张的影响。海南地体运动规律的阐明对于了解北部湾油气盆地的形成演化有重要的理论和实际意义。     

Exciton Seebeck in Molecular Systems

Various applications relevant to the exciton dynamics,such as the organic solar cell,the large-area organic light-emitting diodes and the thermoelectricity,are operating under temperature gradient.The potential abnormal behavior of the exicton dynamics driven by the temperature difference may affect the efficiency and performance of the corresponding devices.In the above situations,the exciton dynamics under temperature difference is mixed with     

Achieving Unusual States of Matter Under High Pressure

The elongation method,originally proposed by Imamura was further developed for many years in our group.As a method towards O(N)with high efficiency and high accuracy for any dimensional systems.This treatment designed for one-dimensional(ID)polymers is now available for three-dimensional(3D)systems,but geometry optimization is now possible only for 1D-systems.As an approach toward post-Hartree-Fock,it was also extended to