个人评价问卷的中文修订

以大学生为对象修订个人评价问卷并考察其信度和效度,结果发现:455份问卷的验证性因素分析表明,个人评价问卷的原因素结构未得到支持;对联合量表进行探索性因素分析,共提取出7个因子,即修订后的问卷包括社交焦虑、交友自信、恋爱自信、体育自信、学业自信、外表自信、当众讲话自信、一般自信及影响自信判断的心境状态共9个因子,各个题目在相应因子上的载荷在0.40～0.81之间.修订后的问卷分半信度和内部一致性信度分别为0.81和0.86,与主观幸福感呈极其显著正相关,表明个人评价问卷中文修订版具有良好的信度和效度,可以用于中国大学生自信的研究.     

大学生自主支持问卷的初步修订

目的:修订学习气氛问卷,测试其信度、效度。方法:对650名大学生进行调查,并进行探索性因素分析和验证性因素分析。结果:各分量表及总量表的a系数在0.734～0.855之间,重测相关系数在0.721～0.849之间;探索性因素分析后保留13个项目,提取3个因素,累计方差解释率达51.63%。验证性因素分析显示此3因素模型拟合良好。以基本心理需要为效标,问卷的效标关联效度也达到了心理测量学的要求。结论:学习气氛问卷的信度和效度指标符合心理测量学的要求,可作为测量大学生自主支持的工具,应用于相关的研究中。     

大学生职业价值观的结构与测量

为探讨大学生职业价值观的结构,编制大学生职业价值观问卷,对西南地区3所高校的1 200名大学生进行初测和正式实测,并采用项目分析、探索性因素分析、验证性因素分析等方法检验大学生职业价值观量表的信效度.结果显示:1大学生职业价值观问卷共有21个条目,包括创业准备、自我发展、独立自由、薪酬地位和组织风气5个维度;2问卷具有良好信度和效度.认为大学生职业价值观问卷的信度和效度均达到了测量学标准,可以作为大学生职业价值观的测量工具.     

大学生心理痛苦他评量表的编制与信效度检验

为编制大学生心理痛苦他评量表并检验其信效度,在开放式问卷调查及文献查阅的基础上形成量表初稿,对某高校班主任及心理委员共443人施测,并进行探索性因子分析和验证性因子分析,以及信度检验;使用Beck抑郁量表-Ⅱ(BDI-Ⅱ)和心理痛苦量表进行效标检验.结果显示:量表包括4个维度24个条目,解释总变异的72.85%;验证性分析发现因子模型拟合良好(χ~2/df=2.878;GFI=0.8;CFI=0.87;IFI=0.87;RMSEA=0.1);量表总分与Beck抑郁量表-Ⅱ(BDI-Ⅱ)和心理痛苦量表得分呈正相关(r=0.29～0.43,均p0.01); Cronbach α系数为0.95,各维度的Cronbach α系数为0.78～0.93;班主任与心理委员评分的相关系数为0.77,相关系数显著(p0.01).认为心理痛苦他评量表具有较好的信效度,可作为大学生心理痛苦程度的测评工具.     

组织弹性的概念界定与量表开发

通过对已有相关理论和文献的整理、归纳,界定了组织弹性的概念,并通过开放式问卷调查收集质性资料.采用扎根理论探究组织弹性的结构,提炼出组织对内弹性和组织对外弹性两个维度,据此编制组织弹性的初始量表.并采用项目分析、探索性因子分析及验证性因子分析对量表进行修订和验证,最终获得包含15个题项并具有良好信度和效度的组织弹性测量量表,为后续研究奠定了基础.     

普通高校体育教师职业认同量表的信效度分析

通过对12所浙江省普通高校的261名体育教师的施测,研制了普通高校体育教师职业认同量表,并对所编制的量表进行了探索性和验证性因子分析.量表包括普通高校体育教师职业情感受益感、职业动力感、职业自我规范感3个因子.量表的信度、效度检验及验证性因子分析结果均达到心理测量学的要求,因此,量表的研制达到了预期的目的.     

普通高校体育教师职业认同量表的信效度分析

通过对12所浙江省普通高校的261名体育教师的施测,研制了普通高校体育教师职业认同量表,并对所编制的量表进行了探索性和验证性因子分析.量表包括普通高校体育教师职业情感受益感、职业动力感、职业自我规范感3个因子.量表的信度、效度检验及验证性因子分析结果均达到心理测量学的要求,因此,量表的研制达到了预期的目的.     

大学生法律意识量表的编制和信效度检验

基于新近的法律意识界定和理论模型,对专家和大学生进行了开放式访谈,编制了专门针对大学生群体的法律意识量表.初测样本为812名大学生,通过项目分析和探索性因子分析,保留了35个项目,包括法律认知、法律意志、法律评价、法律信仰4个维度.正式施测样本共包括111名法律专业大学生和180名非法律专业大学生,验证性因子分析支持编制量表四因子的结构效度;与公民素质量表和大学生法治精神量表两个校标测量进行相关分析发现:4个子维度及总分与公民素质量表总分相关在0.65～0.77之间;与大学生法治精神量表得分相关在0.59～0.68之间,表明编制量表外部效度良好.     

大学生民族认同感量表编制过程及分析

以国内外已有的民族认同量表为基础,通过访谈、问卷调查等方法,编制了大学生民族认同感问卷,向我校大学生发放问卷110份,有效问卷101份.问卷共49个题目,通过验证性因素分析保留了38个题目,其中包括族体认同、族属认同、国家认同3个因子.根据探索性因素、验证性因素分析,该量表信效度均为0.85以上,验证了量表与构想模型拟合度较好.     

EQ-5D-3L量表应用于维吾尔族宫颈癌患者的信效度研究

目的为了探讨欧洲五维健康量表(EQ-5D)在维吾尔族宫颈癌患者中的适用性,本研究评估了EQ-5D-3L量表的信度和效度。方法 2014年10～12月及2015年2～5月,采用EQ-5D-3L和癌症治疗功能评价系统中的宫颈癌量表(FACT-Cx(V4. 0))在新疆喀什某医院调查维吾尔族宫颈癌住院患者共计60名。通过Cronbach'sα系数、折半信度、Spearman关联性分析及验证性因子分析检验EQ-5D-3L量表的内部一致性、内容效度、标准关联效度和结构效度。结果 Cronbach'sα系数为0. 767(0. 7),折半信度为0. 599,表明问卷信度良好。EQ-5D-3L五维度与总分的相关系数依次为:0. 695、0. 803、0. 831、0. 625和0. 526,均呈强相关关系;效标量表FACT-Cx与EQ-5D-3L效用指数、EQ-VAS之间的相关系数分别为0. 597和0. 443,呈中等至较强的相关性;验证性因子分析结果显示CMIN/DF=0. 919,GFI=0. 970,AGFI=0. 910,RMR=0. 018,RMSEA0. 001,NFI=0. 950,IFI=1. 005,TLI=1. 010,CFI=1,模型拟合度指标基本满足测量学要求,表明该问卷效度较好。结论 EQ-5D-3L量表在维吾尔族宫颈癌患者中具有良好的信度和效度,可以作为一种简单有效的测量工具评估该人群的健康相关生命质量,并用于卫生经济学评价,指导卫生决策及卫生资源配置。     

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.     

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.     

A computer generator for randomly layered structures

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

Perspherical Approaches for Electrons in Atoms and Charged Excitons in Quantum Wells

Instead of following Fock’s expansion,we solve the Schrodinger equation for some quantum mechanical manybody systems such as electrons in atoms and charged excitons in quantum wells in a similar way in hyperspherical coordinates by expanding the wave functions into orthonormal complete basis sets of the hyperspherical hannonics(HHs)of hyperangles and generalized Laguerre polynomials(GLPs)of the hyperradius.This leads the equation to     

Advances in broadband wireless communications under high-mobility scenarios

Future mobile communication systems aim at providing very high data transmission rates, even in high-mobility scenarios such as high-speed wheel-track trains, maglev trains, highway vehicles, airplanes, guided missiles or spacecraft. A particularly important commercial application is the strong and increasing worldwide demand for high- speed broadband wireless communications （up to 574.8 km/ h test speeds or 380 km/h commercial speeds） in railways, providing data, voice and video services for applications such as onboard entertainment services to passengers, train control, train dispatch, train sensor status handling and sur- veillance. In such high-mobility scenarios, there are a number of communication challenges, including fast hand- over, location updating, high-speed channel modeling, estimation and equalization, anti-Doppler spreading tech- niques, fast power control, and dedicated network architec- ture. Because signal transmission in very high-speed scenarios will inevitably experience serious deterioration, it is imperative to develop key broadband mobile communi- cation techniques for such high-speed vehicles.     

Wuhan University Journal of Natural Sciences TOTAL CONTENTS

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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。     

Scale-based spatial data model for GIS

Being the primary media of geographical information and the elementary objects manipulated, almost all of maps adopt the layer-based model to represent geographic information in the existent GIS. However, it is difficult to extend the map represented in layer-based model. Furthermore, in Web-Based GIS, It is slow to transmit the spatial data for map viewing. In this paper, for solving the questions above, we have proposed a new method for representing the spatial data. That is scale-based model. In this model we represent maps in three levels: scale-view, block, and spatial object, and organize the maps in a set of map layers, named Scale-View, which associates some given scales.Lastly, a prototype Web-Based GIS using the proposed spatial data representation is described briefly.     

Exciton Seebeck in Molecular Systems

Various applications relevant to the exciton dynamics,such as the organic solar cell,the large-area organic light-emitting diodes and the thermoelectricity,are operating under temperature gradient.The potential abnormal behavior of the exicton dynamics driven by the temperature difference may affect the efficiency and performance of the corresponding devices.In the above situations,the exciton dynamics under temperature difference is mixed with     

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