滇西北玉龙山第四纪冰川作用的探讨

本文摘要地描述了玉龙山第四纪冰川作用所形成的地貌，如冰斗、刃脊、角峰、槽谷等冰蚀地貌和侧碛堤、终碛堤、冰碛丘陵等冰碛地貌；较详细地论述了玉龙山冰川沉积物的组构、粒度和石英砂粒表面的形态特征等，最后对冰期作了划分。     

试论浙江东部四明山、天台山、大盘山地区的地貌——对浙江“第四纪冰川遗迹”的讨论

近年来报道的浙江东部四明山、天台山和大盘山地区的"第四纪冰川遗迹"关系到我国东部第四纪环境问题,也对该地区旅游资源的开发和科学认识有重要的影响.根据实地考察,对所报道地区的地貌特点、成因和类型进行了分析、论述.所谓的"第四纪冰川遗迹"主要是由风化、重力、流水作用形成的各种地貌类型,从末次冰期环境来看,浙江东部山地不存在发育第四纪冰川的条件.     

庐山地质地貌分析及其实习路线设计

庐山综合自然地理实习是很多高校地理专业学生的必修课。本文从理论上分析了庐山的地质、构造地貌、河谷地貌和冰川地貌,结合实地考察,提出了庐山地貌实习的三条路线与内容:莲牯路—剪刀峡—小天池—王家坡—莲花谷—大月山—大校厂—东谷;如琴湖—锦锈谷—龙首崖—石门涧—电站大坝—黄龙潭—芦林桥;犁头尖—太乙峰—含鄱口—五老峰—三叠泉。     

论庐山第四纪冰川遗迹

本文以庐山现已发现的第四纪冰川遗迹为依据,论述了庐山的地质基础与地貌基本特征(地貌形态与地质构造一致性、谷宽岭狭平行排列、里平外陡相差悬殊),庐山第四纪冰川地貌遗迹(冰蚀地貌、冰碛地貌),庐山第四纪冰川作用所造成的表皮构造,与庐山成冰条件的分析等问题。文中强调指出,庐山第四纪冰川应为海洋型冰川,当时降雪量丰富,积累与消融均强烈,冰川可塑性大,运动速度快,冰川作用能大,所以即使庐山面积不大,也形成了巨大的U谷(如王家坡、七里冲、大校场)与大量冰碛物。尤其是最近在羊角岭冰碛物下,发现寒武系页岩被冰川挤压所造成的岩层弯曲的表皮构造,提供了庐山第四纪冰川遗迹的重要新资料,是庐山第四纪冰川作用的铁证。     

闽江口岛屿开发的地貌环境

本文在闽江口岛屿调查取得资料的基础上，对闽江口地区岛屿的地貌特征，现代地貌作用、地质地貌环境与资源等进行了论述和分析，讨论了区域自然条件的优质及其限制，提出了今后岛屿开发中应注意的若干问题。     

再论黄山古冰川遗迹问题——与周慕林同志商榷

1982年春,周慕林同志来到黄山考察,对黄山古冰川遗迹配套式划分,如角峰、冰斗、积雪盆、U谷、悬谷、冰臼、冰川条痕石、侧碛、终碛垄等,这种划分不免陷于牵强附会,引起同行的异议。 通过多次调查研究,笔者认为是山区流水作用现象和泥石流堆积特征以及花岗岩本身结构,经过寒冻风化、重力崩塌而成的地貌景观,与冰川作用无关。     

西藏巴河冲久冰碛物和巴松湖成因分析

以西藏东南部第四纪冰川形成的环境条件和现场调查获得的有关冰川活动的证据,分析了西藏巴河冲久地带垄状堆积物系冰川终碛堤堆积,巴松湖为冰碛物堵塞的湖泊,为西藏冲久-雪卡水电站的工程地质评价提供了地质证据.     

怎样欣赏我国的自然风光(之四)--冰川地貌及登山圣地

冰川是一种由“冰”构成的“河川”。冰川既是一种固体水资源,又是一种具备特殊形态特征和地貌景观特征的旅游资源。它具有重要的观赏价值和科学考察价值,也是登山运动爱好者的向往之地。按冰川所处的位置、形状和规模,可分为大陆冰川和山岳冰川两种。中、低纬度高山雪线以上形成的冰川被称为山岳冰川。我国的现代冰川全部为山岳冰川。     

绵阳市地貌发育简史

绵阳市境现代地貌是绵阳地质构造单元发展、演化的产物。它经历了漫长的地质历史发展过程和受到多次构造运动的作用：印支运动脱离海侵，奠定地貌发育的轮廓基础；燕山运动结束沉积历史，造就地貌雏型；喜马拉雅山运动构造发生根本性变革，地貌格局定型；新构造运动地质历史步入新阶段，地貌向现代地貌景观迈进。     

山东断块地貌

山东境内网格状断裂发育，将山东地质体分割成相对独立的构造单元－－断块。可以根据断块活动的整体性和差异性及其反映的构造地貌特征划分为二级断块地貌系统。Ⅰ级断块地貌具有较大差异，并具有不同的地貌发育史。Ⅱ级断块由于中、新生代构造活动的方式不同面具有不同的构造地貌特征。断块地貌对地震的分布具有一定的指示作用。     

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.     

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.     

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。     

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.     

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。     

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.     

《Chinese Science Bulletin》SUBJECT INDEX TO VOLUME 59(2014)

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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