大别山区温泉镇乡村旅游规划研究

发展乡村旅游是推动旅游业成为国民经济战略性支柱产业的重要力量,是我国旅游产品深层次开发的重要方向,是加强生态环境建设、解决三农问题的重要举措。本文基于主体功能区背景,结合大别山区温泉镇旅游资源优势和特点,细分旅游市场,分析乡村旅游开发的前景,从开发目标定位、旅游功能分区与产品设计、旅游市场营销三个主要角度提出乡村旅游规划方案。     

城乡融合背景下禾泉农庄乡村旅游高质量发展路径研究

乡村旅游高质量发展是城乡融合发展的重要纽带。以安徽省蚌埠市禾泉农庄乡村旅游为例，认为应依托当地历史文化、风土人情、民风民俗等旅游资源，以绿色生态为理念，从产业资源整合、历史文化融入、科技创新赋能等方面开发旅游项目，以助推禾泉农庄乡村旅游高质量发展。     

走向广阔的乡村——广西旅游资源开发系列研究·乡村篇

将乡村视作开发的旅游资源是旅游业发展的一种必然, 特有的自然环境和众多的民族, 营造了广西特有的乡村文化。乡村旅游资源开发对于广西旅游大省建设和广西贫困地区脱贫致富具有重要意义。广西乡村旅游资源可以规整为民居与村寨、稻作与种植、水产与山珍、匠作与工艺等四大方面, 规划形成村寨、圩镇、田园三大乡村旅游系列。广西乡村旅游应是有序的开发和建设     

我国乡村度假旅游开发研究

乡村度假旅游是一种发展潜力巨大的新型旅游形式，在我国乡村旅游的开发普遍处于较低层次的时候提出它具有较大的指导意义,本文界定了乡村度假旅游，分析了乡村度假旅游的开发价值，提出了乡村度假旅游的开发思路，并对其发展趋势进行了预测，希望拓展一条旅游发展的新途径．     

南京乡村旅游发展的问题与对策研究

近年来乡村旅游逐渐成为人们生活的新时尚，乡村旅游开发也继农业产业化之后成为农村经济发展新的增长点。本文首先从乡村旅游发展一般理论着手，接着具体分析了南京发展乡村旅游存在的问题，认为当务之急应该重点做好乡村旅游发展规划、制定积极的产业政策、加大投资开发力度、加强乡村旅游人力资源开发来促进乡村旅游发展。     

加快发展相城乡村旅游打造新农村建设新亮点

乡村旅游是与都市旅游相对应的旅游形式，是指以各种类型的乡村为背景、以乡村田园风光、乡村生活和乡村文化为旅游吸引物，以农业和农业特色资源为基础开发旅游产品，吸引游客前来观光游览、休闲度假、考察学习、参与体验的旅游活动。乡村旅游与城市旅游、风景区旅游共同构成现今的旅游空间格局，成为三大旅游类型之一。     

对广西乡村旅游资源开发的思考

乡村旅游的开发对于广西旅游大省建设和贫困地区脱贫致富具有重要意义．然而,由于对乡村旅游的理论研究滞后于实践的发展,广西乡村旅游资源的开发存在许多问题．文章通过对广西乡村旅游资源的开发现状进行分析,认为其主要问题是资源开发的“变异迎合性”,因此,广西乡村旅游产品创新的切人点应是对当地民俗文化的深层次挖掘,并以此得出广西乡村旅游资源的开发应按照“乡村-生态-文化”模式的结论．     

乡村振兴战略视角下乡村旅游的发展

乡村旅游是实现乡村振兴的重要路径,乡村振兴战略的提出为乡村旅游的发展提供了强大的政策支持与发展平台,二者相辅相成.结合案例探索了乡村旅游新的发展路径,如地方政府与科研院校合作开发乡村旅游商品、建设科技小镇,探究科技助力乡村旅游商品开发路径;以云南冰岛村"冰岛茶叶"品牌建设,探究乡村旅游农产品品牌建设路径;分析西藏拉萨市达东村"景区带村"模式经验,探究提升乡村居民获得感路径等.剖析了乡村旅游当前存在的主要问题,提出了科技助力乡村旅游商品开发、加强乡村旅游农产品品牌建设、提升居民获得感的对策与措施.     

乡村振兴战略视角下乡村旅游的发展

乡村旅游是实现乡村振兴的重要路径,乡村振兴战略的提出为乡村旅游的发展提供了强大的政策支持与发展平台,二者相辅相成.结合案例探索了乡村旅游新的发展路径,如地方政府与科研院校合作开发乡村旅游商品、建设科技小镇,探究科技助力乡村旅游商品开发路径;以云南冰岛村"冰岛茶叶"品牌建设,探究乡村旅游农产品品牌建设路径;分析西藏拉萨市达东村"景区带村"模式经验,探究提升乡村居民获得感路径等.剖析了乡村旅游当前存在的主要问题,提出了科技助力乡村旅游商品开发、加强乡村旅游农产品品牌建设、提升居民获得感的对策与措施.     

地方创生在贫困乡村旅游发展过程中的再审视

地方创生是乡村旅游开发的重要实践,是乡村旅游价值链增值的重要手段。文章以古田县白溪村为例,分析乡村旅游的地方创生历程,从旅游价值链角度出发,主张在旅游目的地价值链逻辑下,对旅游六要素"食、住、行、游、购、娱"的全要素升级,提高游客的旅游体验质量,提升乡村旅游整体价值水平;在旅游供应价值链逻辑视角下,将旅游产业与乡村传统产业如林业、种植业和畜牧业进行跨行业耦合,在地方创生模式下创新旅游供应系统,提升旅游供应价值链的价值。     

Markedness and its Interpretation in Language Use

Language markedness is a common phenomenon in languages, and is reflected from hearing, vision and sense, i.e. the variation in the three aspects such as phonology, morphology and semantics. This paper focuses on the interpretation of markedness in language use following the three perspectives, i.e. pragmatic interpretation, psychological interpretation and cognitive interpretation, with an aim to define the function of markedness.     

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.     

低渗透非均质砂岩油藏启动压力梯度研究

理论推导与室内实验相结合,建立了低渗透非均质砂岩油藏启动压力梯度确定方法。首先借助油藏流场与电场相似的原理,推导了非均质砂岩油藏启动压力梯度计算公式。其次基于稳定流实验方法,建立了非均质砂岩油藏启动压力梯度测试方法。结果表明:低渗透非均质砂岩油藏的启动压力梯度确定遵循两个等效原则。平面非均质油藏的启动压力梯度等于各级渗透率段的启动压力梯度关于长度的加权平均;纵向非均质油藏的启动压力梯度等于各渗透率层的启动压力梯度关于渗透率与渗流面积乘积的加权平均。研究成果可用于有效指导低渗透非均质砂岩油藏的合理井距确定,促进该类油藏的高效开发。     

A computer generator for randomly layered structures

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

On Tragic Consciousness In The Works By Ernest Hemingway

As an American modern novelist who were famous in the literary world, Hemingway was not a person who always followed the trend but a sharp observer. At the same time, he was a tragedy maestro, he paid great attention on existence, fate and end-result. The dramatis personae's tragedy of his works was an extreme limit by all means tragedy on the meaning of fearless challenge that failed. The beauty of tragedy was not produced on the destruction of life, but now this kind of value was in the impact activity. They performed for the reader about the tragedy on challenging for the limit and the death.     

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.     

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。     

Achieving Unusual States of Matter Under High Pressure

正The periodicity of the elements and the non-reactivity of the inner-shell electrons are two related principles of chemistry,rooted in the atomic shell structure.Within compounds,Group I elements,for example,invariably assume the+1 oxidation state,and their chemical properties differ completely from those of the p-block elements.These general rules govern our understanding of chemical structures and reactions.Using first principles calcula-     

Exchange-Correlation and Electronic Excitation Energies from Pairing Matrix Fluctuations

We have developed an adiabatic connection to formulate the ground-state exchange-correlation energy in terms of pairing matrix linear fluctuations.This formulation of the exchange-correlation energy opens a new channel for density functional approximations based on the many-body perturbation theory.We illustrate the potential of such approaches with an approximation based on the particle-particle Random Phase Approximation(pp-RPA).This re-     

Density Functional Theory for the Response of Periodic Systems to Electric Fields Based on the Vector Potential Approach

正The electronic and nuclear(structural/vibrational)response of 1D-3D nanoscale systems to electric fields gives rise to a host of optical,mechanical,spectral,etc.properties that are of high theoretical and applied interest.Due to the computational difficulty of treating such large systems it is convenient to model them as infinite and periodic(at least,in first approximation).The fundamental theoretical/computational problem in doing so is that