几类n值逻辑系统中的MP滤子

给出了n值Lukasiewicz逻辑系统Ln，n值G6del逻辑系统Gn，n值乘积逻辑系统Pn，n值标准序列逻辑系统Sn和n值L^＊逻辑系统Wn中的MP滤子的分布情况，并讨论了这些MP滤子与格滤子的关系.     

几类n值逻辑系统中的MP滤子

给出了n值Lukasiewicz逻辑系统Ln，n值Goedel逻辑系统Gn，n值乘积逻辑系统Pn，n值标准序列逻辑系统Sn和n值L^＊逻辑系统职中的MP滤子的分布情况，并讨论了这些MP滤子与格滤子的关系。     

低阶格蕴涵代数的构造

借助于格的原子与分子的性质,研究了一些低阶格蕴涵代数的构造问题．证明了在同构的意义下,4阶格蕴涵代数和6阶格蕴涵代数分别只有2个．这些结果将有助于对相应的逻辑系统与模糊推理的研究．     

可交换的s代数与格蕴涵代数

研究了一类模糊逻辑代数系统--交换s代数.给出了交换s代数一系列基本性质,证明了交换5代数关于其上的偏序关系≤构成格最后,证明了在交换s代数中定义x(+)y=x'→y,则X是一个格蕴涵代数,在格蕴涵代数L中,定义x(+)y=x'→y,则L是一个交换s代数.     

关于粗糙代数的一点注记

研究了近似空间(U,R)与格蕴涵代数之间的关系,在粗糙集SCR(U)上定义一个二元运算"*1",证明了(SCR(U),*1,Φ,1)是一个格蕴涵代数,并对粗格蕴涵代数几个重要性质做了初步的探讨.     

蕴涵格、弱Ro代数与正则剩余格

讨论了蕴涵格、弱Ro代数以及正则剩余格之间的相互关系,证明了以下结论:(1) 弱Ro代数既是蕴涵格又是正则剩余格;(2) 蕴涵格L是正则剩余格(弱Ro代数)的充分必要条件是:对任意x,y,z∈L,x→(y→z)=y→(x→z);(3) 正则剩余格L是蕴涵格(弱Ro代数)的充分必要条件是:对任意x,y,z∈L,x→y∨z=(x→y)∨(x→z).     

四值非链格值命题逻辑系统LP4(X)的归结原理

基于格蕴涵代数的格值命题逻辑系统LP4(X)的相关概念和结果，给出了LP4(X)上的归结原理，并证明了其可靠性和完备性。四值命题逻辑系统LP4(X)作为含有不可比真值的一种基本且重要的格蕴涵代数结构，其上归结原理的研究为归结算法的实现提供了理论基础，从而为处理含有不可比真值的格值逻辑系统在智能推理系统中的实际应用提供了有力的支持。     

软代数的素理想与同余关系的注记

讨论了非分配软代数F的素理想表示同余关系的问题，指出非分配软代数F的同余关系θ可素理想表示的充要条件是F／θ是软代数，以Con(F)表示F的同余关系格，PCon(F)表示F的全体可由素理想表示的同余关系，证明了按照Con(F)中偏序关系，PCon(F)构成Con(F)的一个子格，并且PCon(F)可嵌入于F的全体素理想集Z（F）的对偶幂集格^↑P（Z（F））中。     

可交换弱R0代数

简化了弱R0代数及R0代数的定义。在弱R0代数的基础上，提出可交换弱R0代数，并讨论了它的一些新的性质。探究了可交换弱岛代数与格蕴涵代数之间的关系，以及与MV代数之间的关系。     

关于CFI代数

对可交换FI代数(简称CFI代数)的特征进行系统研究,获得(正则)FI代数和CFI代数的一些新的性质;探讨CFI代数与HFI代数、格蕴涵代数及R0代数等逻辑代数之间的关系,得到CFI代数成为正则HFI代数的一个充分必要条件.     

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.     

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.     

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。     

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.     

A computer generator for randomly layered structures

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

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.     

Jane Eyre——A Feminist In The 19th Century

In the 19th century the society was controlled by men, and women were just appendants of them, they had not any rights and freedom. But Jane was an exception, she showed some characteristics of early feminist. Jane showed her characteristics of feminism in three aspects: rebellion, equality, and independence. These characteristics were helpful to her success, and feminism is the only way out for women of that time.     

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-