多元系最概然分布函数的推导

基于平衡态统计物理的等概率假设，导出多元系近独立粒子系统的最概然分布，获得了3种粒子系统分布函数的统一表达式，理论上为研究实际的多元系粒子数分布提供了参考。     

基于OGRE粒子系统的喷泉模拟

粒子系统在计算机图形学中占有至关重要的地位,被用于实时模拟自然景物和现象中.在粒子系统的基本理论结构上研究了面向对象的图形渲染引擎（OGRE）粒子系统的核心原理以及粒子脚本语言.提出了一种基于OGRE粒子系统的喷泉模拟方法,在该图形渲染引擎下实现了多种喷泉效果.使用这种简本语言使程序员更容易开发,大大提高了喷泉模拟的开发速度和开发效率.     

基于粒子系统动态烟花的模拟

阐述了粒子系统的基本原理及建模方法,对烟花粒子系统的基本模型和燃放原理进行了深入的研究,设计并实现了一个基于VC＋＋和OpenGL的烟花粒子系统。     

近邻粒子系统的生存分析

本文利用平均场逼近的方法，研究了粒子间具有长程关联的粒子系统的相变问题，得出了近邻粒子系统的临界点，据此我们对系统进行了生存分析。     

带移民分枝粒子系统的结构

研究了带移民分枝粒子系统的结构，证明了伴随带移民分枝粒子系统对所应的伴随积半群可以由分枝粒子系统的无穷可分概率进入律来刻画，分枝粒子系统的局部可积Ｐｏｉｓｓｏｎｃｌｕｓｔｅｒ概率进入律的某个子类，可与底过程的可积进入律存在一一对应关系。     

用微正则分布研究系统热力学性质的一个例子

本文用微正则分布计算了能量动量关系为ε=cp,无相互作用的N个经典粒子系统的热力学函数,并同用正则分布研究所得的结果进行了比较.     

应用粒子系统构建云雾模型

随着科学技术的发展以及互联网的广泛应用。使用计算机图形学和虚拟现实技术对不规则物体进行模拟现今已经在国防、气象、网络架构等领域得到了广泛的应用。使用粒子系统对云雾等不规则图形进行模拟可以极大地减小模型3D真实度对计算机配置的需求,降低平台架构难度。同时由于粒子系统建立模型的随机性使得建立的模型具有更加自然的视觉效果,更加合理的物理学结构从而能在广泛的领域得到应用。本文应用粒子系统与纹理过程函数相结合的方法对自然景物中的云雾模型进行模拟,在具体的模型绘制过程中应用纹理映射和Billboard技术来实现,从而提出了一种多种建模方式相结合的模拟不规则物体的全新方法。     

粒子系统方法及其应用

介绍了粒子系统方法的基本思想、生成粒子系统某瞬间的画面的基本步骤，并讨论了3D Stu-dio MAX3.0中的粒子系统及其应用。     

XNA环境下粒子系统特效集成程序的实现

本文介绍了粒子系统的基本原理,针对视景特效进行分析建模,而后利用面向对象技术与广告板技术使视景特效模块化,形成了一个简单易用、容易扩展的粒子系统视景特效模块,可方便地与游戏引擎模块整合。文中给出了粒子系统视景特效层次结构关系的建模实现,通过面向对象技术,对粒子系统视景特效进行集成与封装,最后使用XNA Game Studio对一些具体视景特效（如,雨水、雪花、喷洒等）进行生成并组件化。     

面向对象的粒子系统设计

粒子系统就是用大量的简单图元来表示某个物体，高性能的粒子系统可以真实地模拟出一些虚拟场景。由于一个粒子系统中有多种类型的子系统，每个子系统又由大量的粒子组成，高效地管理大量的粒子以及计算大量粒子的实时参数是一个难点，本文提出了使用面向对象的方法来实现一个粒子系统。     

An improved R-tree based on childnode''s probability

R-Tree is a good structure for spatial searching. But in this indexing structure,either the sequence of nodes in the same level or sequence of traveling these nodes when queries are made is random. Since the possibility that the object appears in different MBR which have the same parents node is different, if we make the subnode who has the most possibility be traveled first, the time cost will be decreased in most of the cases. In some case, the possibility of a point belong to a rectangle will shows direct proportion with the size of the rectangle. But this conclusion is based on an assumption that the objects are symmetrically distributing in the area and this assumption is not always coming into existence. Now we found a more direct parameter to scale the possibility and made a little change on the structure of R-tree, to increase the possibility of founding the satisfying answer in the front sub trees. We names this structure probability based arranged R-tree (PBAR-tree).     

三昧:佛教审美感悟的主要形式

佛教对中国古代学创作和审美产生了巨大影响，这已经是不争的问题。而在感应外物的心理知觉上与学审美究竟有何内在联系及区别，则又大多语焉不详，或详而无纲、油水分离。笔从佛教教义中拈出“三昧”两个字，深入探寻佛教审美感悟的主要方式，分析它与庄子“心斋”及俗人梦幻的同异，这对中国古代学审美理论的梳理和建构都有重要意义。     

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。     

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.     

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.     

建构中国古代文学审美理论:动因和方法

从提高“”的审美能力、“史”的认知能力、“论”的理解能力等方面阐述了建构中国古代学审美理论体系的动因，从注重古人创作和审美的实际、用今人的观点来透视、把定向观照和多向思维结合起来等方面探讨了建构这种理论的方法。目的在于使中国古代学理论的研究既有传统性又有现代性，既有本土性又有世界性。     

A computer generator for randomly layered structures

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

我国能源供需波动变化研究

本文从我国近20年来能源产业产品供需量和消费结构的状况着手,研究了能源供需量波动和消费结构变化的特性,并从产业政策、产业结构和经济增长方式演变的角度重点分析了供需量波动和消费结构变化的原因和特点,在此基础上,分析了我国近年能源短缺的原因和解决办法。     

不同碳氮源对嗜热菌BF80生长和降解苯酚的影响

探测了蛋白胨,酵母粉,葡萄糖对BF80菌生长和降解苯酚的影响．结果表明：与对照相比,0．05％-1％的蛋白胨能促进BF80的生长却抑制该菌的苯酚降解,这种作用随浓度的增加而增大;酵母粉对BF80生长和苯酚降解均有促进作用,在最适浓度0．1％的情况下其生长量OD600达到1．578,苯酚降解率上升到99．21％;不同浓度的葡萄糖对BF80的生长和苯酚降解几乎都没有影响．     

石油勘探开发建设项目评价系统探讨

石油勘探开发建设项目评价是石油勘探开发建设项目管理的重要内容之一,也是提高项目决策科学性的一个重要环节。首先分析了石油勘探开发建设项目评价的理论和方法,然后从项目前评价、项目中评价、项目后评价、技改项目评价四部分讨论了项目评价的基本内容,并在此基础上构建出了新的项目评价系统。指出:新的项目评价系统与传统的评价系统[1]的最大区别在于增加了项目中评价内容,并且对其它大、中型建设项目也是适用的。