婺源发展生态旅游要注意的几个问题

生态旅游是一种保护自然环境和维系当地人民生活双责任的旅游活动形式，婺源生态旅游是发展要注意三点问题：其一，生态旅游不同于传统大众旅游，而婺源旅游应是生态旅游；其二，强调生态旅游具有环保教育功能、生态景观特色和可持续旅游特色；其三，建成生态旅游示范区，首先建成江西省生态旅游示范县，而后建成全国著名的文化与生态旅游示范区。     

从旅游市场现状谈生态旅游及其可持续发展

从旅游的本源含义看,旅游是一种异地性休闲体验.从生态旅游的定义看,生态旅游是旅游大市场中的一种新兴旅游产品,也是依托并认知自然生态环境的旅游可持续发展的最佳模式.从旅游需求层次看,生态旅游是比传统大众旅游更高行为层次的旅游.结合生态旅游的理论和国内旅游市场表现,生态旅游的可持续主要取决于三个方面的因素:生态旅游资源的可持续供给能力;生态旅游的市场需求潜量;旅游服务商的生态旅游服务.     

湿地保护与生态旅游发展探讨

湿地旅游作为生态旅游中的一种,是旅游市场需求结构发生变化和以大众旅游为特色的旅游业发展到一定阶段的产物.湿地旅游具有文化多样性、景观多样性和生物多样性的特色.湿地生态旅游体现出众多功能：自然保护维持功能、环境生态教育功能、社区经济效益功能.为确保湿地保护与生态旅游协调发展,制定相应的策略.     

银川市农业生态旅游产品开发及结构研究——以"塞上江南"枸杞园为例

在对宁夏近年来农业生态旅游的研究资料进行整理分析的基础上,以银川市"塞上江南"枸杞园为例,进行了资料搜集和实地调研,通过分析枸杞园的区位条件、资源优势、客源市场等因素,指出了开发农业生态旅游的设想.全力打造"塞北第一红色庄园"的旅游品牌,从旅游项目、旅游线路及旅游纪念品等方面进行了旅游产品的综合开发.在此基础上,对银川市农业生态旅游产品的结构及模式进行了探讨,提出了一系列促进农业生态旅游可持续发展的对策,以寻求西北回族地区借助传统优势产业发展农业生态旅游的最佳途径.     

延庆县生态旅游有效管理与可持续发展研究

生态旅游具有自身的理论基础、判定标准与规划原则.延庆县具有发展生态旅游的良好条件.对于延庆县生态旅游的发展,提出了"一体两翼三中心"的总体布局构想,划分出生态旅游"六大功能区",设计了延庆县"四大生态旅游环线",指出了应优先发展的景区与项目,研究了主要景区环境容量、旅游规模与设施建设,以及生态旅游发展的措施与保障体系.     

生态旅游与科普传播——以台湾某一少数民族部落为例

生态旅游是一种特殊的旅游项目,旨在向民众传播具环境责任感的旅游概念,它属于对环境较为友善的活动,孕育保存和永续发展的观念。让旅客能在旅游过程中具有环境的伦理与对自然保持正确的认知。生态旅游推动上需思考如何与当地文化与传统价值等的结合,才能达成预期目标。该文以台湾一少数民族部落为例,探析部落如何以生态旅游手段,配合相关科普传播策略开展,呼吁重视并传播正确的旅游概念。     

石佛寺水库生态旅游开发研究

生态旅游作为一种特殊形式的专项自然旅游,是旅游市场需求结构发生变化和以大众旅游为特色的旅游业发展到一定阶段的产物.通过对石佛寺水库自然与人文条件的分析,确定水库生态旅游在水库大坝,水库中心运动区、水库度假区以及水库沿岸休憩区的发展方向.通过对水库全方位地生态旅游发展方向的分析,确定了各发展方向的具体开发项目.设计与开发成果对相似水库开发也具有重要借鉴价值.对水库大坝,库区内人工岛.     

基于旅游承载力的西藏旅游产业发展模式选择

在梳理国内外生态旅游和大众旅游理论的基础上,将旅游业发展归纳为大众旅游、严格生态旅游、过渡生态旅游和一般生态旅游四种模式.文章立足西藏具体区情,构建了基于旅游承载力的西藏旅游产业发展模式选择模型,并将长期调研所获得的详实数据运用于选择模型的测算之中.计算结果表明：西藏旅游业应当采取生态旅游发展的模式,即以生态旅游为主导、大众旅游为补充的旅游发展模式.     

豫西大峡谷漂流旅游SWOT分析及其对策探讨

生态旅游已成为国内外旅游业中的一种时尚旅游.漂流旅游由于其自身的特殊性,已逐渐成为生态旅游者最富旅游体验的项目之一.豫西大峡谷自然资源丰富,具有开展漂流旅游的"先天"优势.对豫西大峡谷的漂流旅游项目进行了SWOT分析.并提出了一些对策,如提升文化品位、加大景区联合力度等,以期对豫西大峡谷漂流旅游项目的发展有所帮助.     

生态旅游与龙岩市旅游生态化建设

生态旅游是将可持续发展理念贯穿于旅游发展整个过程,以实现社会、经济和生态的综合发展.龙岩市生态旅游资源丰富,地域文化特征显著且文化底蕴深厚,开展生态旅游,对于推动龙岩市旅游的可持续发展,体现龙岩生态旅游的内在价值具有极为重要的意义.文章从生态学的角度出发,基于生态旅游与旅游生态内涵,分析龙岩市生态旅游发展的条件,并对龙岩市生态旅游可持续发展提出若干设想.     

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.     

Lower Paleozoic oil relationships within Williston Basin, Canada

The Williston Basin is a significant petroleum province, containing oil production zones that include the Middle Cambrian to Lower Ordovician, Upper Ordovician, Middle Devonian, Upper Devonian and Mississippian and within the Jurassic and Cretaceous. The oils of the Williston Basin exhibit a wide range of geochemical characteristics defined as "oil families", although the geochemical signature of the Cambrian Deadwood Formation and Lower Ordovician Winnipeg reservoired oils does not match any "oil family". Despite their close stratigraphic proximity, it is evident that the oils of the Lower Palaeozoic within the Williston Basin are distinct. This suggests the presence of a new "oil family" within the Williston Basin. Diagnostic geochemical signatures occur in the gasoline range chromatograms, within saturate fraction gas chromatograms and biomarker fingerprints. However, some of the established criteria and cross-plots that are currently used to segregate oils into distinct genetic families within the basin do not always meet with success, particularly when applied to the Lower Palaeozoic oils of the Deadwood and Winnipeg Formation.     

An Analysis of Catherine＇s Character——Wuthering Heights

Wuthering Heights, Emily Bronte＇s only novel, was published in December of 1847 under the pseudonym Ellis Bell. The book did not gain immediate success, but it is now thought one of the finest novels in the English language. Catherine is the key character of this masterpiece, because everybody and everything center on her though she had a short life. We can understand this masterpiece better if we know Catherine well.     

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.     

Features of Women's language

Language is a means of verbal communication. People use language to communicate with each other. In the society, no two speakers are exactly alike in the way of speaking. Some differences are due to age, gender, statue and personality. Above all, gender is one of the obvious reasons. The writer of this paper tries to describe the features of women＇s language from these perspectives： pronunciation, intonation, diction, subjects, grammar and discourse. From the discussion of the features of women＇s language, more attention should be paid to language use in social context. What＇s more, the linguistic phenomena in a speaking community can be understood more thoroughly.     

Design and analysis of generic LBS application developing platform

Location based services is promising due to its novel working style and contents.A software platform is proposed to provide application programs of typical location based services and support new applications developing efficiently. The analysis shows that this scheme is easy implemented, low cost and adapt to all kinds of mobile nework system.     

橡胶颗粒沥青混合料低温抗裂性试验研究

以AC-13级配为基础,将橡胶颗粒代替部分集料掺入混合料中,以低温弯曲试验为评价方法对不同橡胶颗粒掺量下沥青混合料的低温抗裂性进行研究,并引入应变能密度值对混合料的低温抗裂性进行综合评价.试验结果表明:橡胶颗粒沥青混合料试件的破坏微应变均超过2 300,满足冬寒区的技术指标;无论是否掺加橡胶颗粒,随着温度的下降,沥青混合料破坏时的最大弯拉强度增大,弯拉应变降低,劲度模量增大;弯曲应变能密度在胶粒掺量为1%左右时具有较大的弯曲应变能密度值,此时橡胶颗粒沥青混合料具有较好的低温抗裂性.     

A computer generator for randomly layered structures

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

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。     

Quantitative trait loci （QTLs） for quality traits related to protein and starch in wheat

Quality traits in wheat （Triticum aestirum L.） were studied by quantitative trait locus （QTL） analysis in a recombinant inbred line （RIL） population, a set of 131 lines derived from Chuan 35050 × Shannong 483 cross （ChSh）. Grains from RILs were assayed for 21 quality traits related to protein and starch. A total of 35 putative QTLs for 19 traits with a single QTL explaining 7.99-40.52% of phenotypic variations were detected on 10 chromosomes, 1D, 2A, 2D, 3B, 3D, 5A, 6A, 6B, 6D, and 7B. The additive effects of 30 QTLs were positive, contributed by Chuan 35050, the remaining 5 QTLs were negative with the additive effect contributed by Shannong 483. For protein traits, 15 QTLs were obtained and most of them were located on chromosomes 1 D, 3B and 6D, while 20 QTLs for starch traits were detected and most of them were located on chromosomes 3D, 6B and 7B. Only 7 QTLs for protein and starch traits were co-located in three regions on chromosomes 1D, 2A and 2D. These protein and starch trait QTLs showed a distinct distribution pattern in certain regions and chromosomes. Twenty-two QTLs were clustered in 6 regions of 5 chromosomes. Two QTL clusters for protein traits were located on chromosomes 1D and 3B, respectively, three clusters for starch traits on chromosomes 3D, 6B and 7B, and one cluster including protein and starch traits on chromosome 1D.