基于ODBC技术上的练习测验型课件设计与实现

多媒体辅助教学作为全新的教学手段在我国发展很快,各种课堂用多媒体课件涌现出很多,但其中教学演示型的多,练习测验型的少,且往往是直接编入教学课件,题目扩充更新性差。我们在制作课件的实际过程中,发现可以通过在Authorware中加载ODBC函数,运用SQL语言,实现在教学系统中动态操作题库,随机出题。

基于Flash MX脚本语言设计个性化测验型课件

Flash以其强大的动画功能及其易掌握性，从众多的多媒体课件开发软件中脱颖而出，越来越受到课件制作者的喜爱。Action Script是Flash内置的脚本语言，利用它可制作出互动性很强的教学课件、游戏等^[1]。通过使用Flash内置的动作控制脚本设计多媒体教学课件，能极大地丰富课件的设计空间，并具有更加强大的交互功能。在各类课件中，测验型课件是其中一种应用非常广泛的课件类型^[2]。

初级汉语口语测验题型研究

本研究考察适合初级汉语学习者的口语测验题型。从口语能力构想、测验组织方式和考生水平三个方面选择题型,并通过实测来评价题型的适用性、信度和效度。本文通过教师问卷调查的形式最终确定了快速问答、图片比较、听后复述和看图说话四种题型,并编制测验对223名学习汉语半年至一年的留学生进行了实测。结果表明,四种题型均具有较好的评分信度和效度,其中快速问答的表面效度和共时效度最高,听后复述相对较差。考查词、短语和句子层面的题型比考查语段层面的题型更加适合初级汉语学习者,特别是只学习了半年的学生。研究结果还表明,从半年到一年的学习阶段是学生成段表达能力发展的关键阶段,应加以引导和培养。

高功能孤独症儿童的统合型房树人绘画测验特征

目的:探讨高功能孤独症儿童的统合型房树人(S-HTP)绘画测验特征及其社会性发展。方法:对符合美国精神障碍诊断与统计手册第4版(Diagnostic and Statistical Manual of Mental Disorders,Fourth Edition,DSM-Ⅳ)的35例高功能孤独症儿童和年龄、性别、智商相匹配的70例正常对照儿童进行S-HTP绘画测验,分析高功能孤独症儿童S-HTP绘画测验特征(整体评价15个项目、房屋评价9个项目、树木评价5个项目和人物评价14个项目)。结果:在S-HTP绘画测验中,高功能孤独症儿童绘画特征与正常儿童存在明显差异。在主要反映社交互动水平的整体评价中有8个项目存在差异,如孤独症患儿绘画的画面统合性强的比例明显低于正常儿童[5.7%(2/35)vs.67.1%(47/70),P<0.05];在主要反映家庭关系的房屋评价中的有4个项目存在差异,如孤独症儿童绘画中人只在房屋外面的比例明显高于正常儿童[100%(35/35)vs.85.7%(60/70),P<0.05];在主要反映无意识的自我形象的树木评价中有4个项目存在差异,如孤独症儿童树木简化的比例明显高于正常儿童[73.5%(25/35)vs.24.3%(17/70),P<0.05];在主要反映有意识的自我形象和人际关系的人物评价中有8个项目存在差异,如孤独症儿童绘画人物数目2人以上的比例明显低于正常儿童[20.0%(7/35)vs.68.6%(48/70),P<0.05]。结论:高功能孤独症儿童统合型房树人绘画测验绘画特征反映出其社会性发展落后于正常同龄儿童,主要表现在社交互动、人际关系、自我概念和家庭关系方面。

浅谈统合型房树人测验在看守所在押人员危险性评估工作中的应用

看守所在押人员的危险性行为极大地影响公安工作,利用统合型房树人测验预先对在押人员做出有效评估对公安工作具有重要的意义。统合型房树人测验应用在看守所在押人员危险评估工作中具有很多优势,并由此提出看守所在押人员危险性评估工作中应用统合型房树人测验的流程和需要注意的问题。

统合型房树人测验在专门学校罪错未成年人危险性评估工作中的运用

危险性评估是专门学校必不可少的工作之一,而已有心理测试方法存在不足。将绘画投射技术运用于专门学校的个案研究,发现统合型房树人测验作为一种绘画投射技术,可以激发人有意识和无意识的联想。通过分析绘画作品可以展现其主体经验、情感与经历,能在一定程度上评估罪错未成年人的危险性,弥补问卷法的部分缺陷。通过对筛选的绘画进行评估,能在一定程度上说明罪错未成年人的攻击性危险。

自恋型人格障碍倾向青少年绘画特征评估

目的:探索青少年自恋型人格障碍倾向的房树人绘画特征。方法:采用人格障碍诊断问卷(PDQ-4+)和统合型房树人绘画测验(S-HTP),对北京市3所中学562名青少年进行施测,并根据自恋型人格障碍的病因-症状模式筛选出11项可能反映自恋型人格障碍的绘画特征,采用χ^2检验,检验自恋型人格倾向青少年阴性组和阳性组在11项绘画特征上出现频率的差异,采用logistic回归,检验11项绘画特征对自恋型人格障碍倾向青少年的预测性。结果:①11项绘画特征中有8项在阴性组和阳性组出现的频率上存在显著差异,三者独立(χ^2=10.41,P<0.05)、表情悲哀(χ^2=7.97,P<0.05)、肩膀下垂(χ^2=6.32,P<0.05)、正面人(χ^2=4.37,P<0.05)、睁眼(χ^2=6.21,P<0.05)、漫画人与抽象人(χ^2=4.18,P<0.05)、树干左侧强调(χ^2=6.73,P<0.05)、正脸侧身(χ^2=7.45,P<0.05);②11项绘画特征中有6项进入logistic回归预测方程;③采用logistic分层回归控制年龄和性别因素后,此6项绘画特征仍然进入了回归模型。结论:房树人绘画测验能有效预测自恋型人格障碍,可以作为人格测验的有效补充。

Cycle life prediction and match detection in retired electric vehicle batteries

The lifespan models of commercial 18650-type lithium ion batteries （nominal capacity of 1150 mA-h） were presented. The lifespan was extrapolated based on this model. The results indicate that the relationship of capacity retention and cycle number can be expressed by Gaussian function. The selecting function and optimal precision were verified through actual match detection and a range of alternating current impedance testing. The cycle life model with high precision （〉99%） is beneficial to shortening the orediction time and cutting the prediction cost.

依据教学目的进行微课分类的研究

微课的分类有助于教师明确每一节微课的用途，有助于教师减少微课制作中的盲目性，增加微课制作的目的性，增加微课的有效性，增加微课的吸引力。根据微课的教学目的，可将微课分为四种类型：课前学习辅助型微课、课后练、习辅助型微课、训练提升型微课、测验型微课。

5-6岁听障幼儿房树人绘画特征分析

目的了解听障幼儿在绘画中表现出来的心理特征，5～6岁听障幼儿的何种绘画特征与健听幼儿之差异，以及有行为问题的听障幼儿较集中的绘画特征。方法以5～6岁的19名听障幼儿研究对象，38名同龄健听幼儿作为对照组，由家长填写Achenbach儿童行为量表，两组幼儿进行房树人绘画测验。结果听障组幼儿与健听组儿童相比行为问题检出率没有显著差异（χ2=3．361，P〉0．05），听障组幼儿思维问题因子得分显著高于健听组幼儿（t=-2．725，P〈0．01）；听障组幼儿的绘画表现出自我评价低、社会交往退缩的特点。结论听障幼儿在房树人绘画中在画面整体特征、人物的绘画特征上较为集中的体现出与健听组幼儿的差异，描绘人物的水平明显低于健听组幼儿，绘画内容较少、绘画过程中模仿同伴。幼儿教师应了解听障幼儿心理特点，开展相应教育活动。

新扬州鸡早期增重的OPAY02-SCAR分子标记研究

OPAY02型2条多态性条带经克隆、测序和引物设计后,转换成SCAR标记,并对86个新扬州鸡随机交配后代基因组DNA进行了PCR扩增。2条带DNA序列与红色原鸡基因组序列比对结果表明,大分子量条带与位于红色原鸡第3号染色体上序列有98%的同源性,共检测到8个SNPS,其中195位的碱基T→G,316位的A→T,538位的G→A,731位的T→A,1 147位的G→A,1 329位的T→C,1 927位的C→T,2 081位的C→T,小分子量条带与红色原鸡没有同源序列,推测新扬州鸡野祖除红色原鸡外,还有其它来源。SCAR标记分析表明,经条件优化随机扩增的OPAY02型标记稳定、可靠,可用于遗传分析。2条带所在座位群体基因型平衡性测验结果表明,所测新扬州鸡群体处于平衡状态,选择可以打破平衡,有利于动物育种。

Theoretical and experimental study of initial cracking mechanism of an expansive soil due to moisture-change

Swelling and shrinkage due to moisture-change is one of the characteristics of the expansive soil,which is similar to the behavior of most materials under thermal effect,If the deformation is restricted,stress in expansive soil is caused by the swell-shrinking.The stress is defined as "moisture-change stress" and is adopted to analyze swell-shrinkage deformation based on the elasticity mechanics theory.The state when the total stress becomes equal to the soil tensile strength is considered as the cracking criterion as moisture-change increases.Then,the initial cracking mechanism due to evaporation is revealed as follows:Different rates of moisture loss at different depths result in greater shrinkage deformation on the surface while there is smaller shrinkage deformation at the underlayer in expansive soil;cracks will grow when the nonuniform shrinkage deformation increases to a certain degree.A theoretical model is established,which may be used to calculate the stress caused by moisture-change.The depth of initial cracks growing is predicted by the proposed model in expansive soil,A series of laboratory tests are carried out by exposing expansive soil samples with different moisture-changes.The process of crack propagation is investigated by resistivity method.The test results show good consistency with the predicted results by the proposed theoretical model.

Remote Control and Telemetry System for Large-scale Model Test at Sea

Physical testing of large-scale ship models at sea is a new experimental method.It is a cheap and reliable way to research the environment adaptability of a ship in complex and extreme wave conditions.It is necessary to have a stable experimental system for the test.Since the experimental area is large, a remote control system and a telemetry system are essential, and were designed by the authors.An experiment was conducted on the Songhuajiang River to test the systems.The relationship between the model's speed and its electromotor's revolutions was also measured during the model test.The results showed that the two systems make it possible to carry out large-scale model tests at sea.

Development of a multivariate empirical model for predicting weak rock mass modulus

Estimating weak rock mass modulus has historically proven difficult although this mechanical property is an important input to many types of geotechnical analyses. An empirical database of weak rock mass modulus with associated detailed geotechnical parameters was assembled from plate loading tests per- formed at underground mines in Nevada, the Bakhtiary Dam project, and Portugues Dam project. The database was used to assess the accuracy of published single-variate models and to develop a multivari- ate model for predicting in-situ weak rock mass modulus when limited geoteehnical data are available. Only two of the published models were adequate for predicting modulus of weak rock masses over lim- ited ranges of alteration intensities, and none of the models provided good estimates of modulus over a range of geotechnical properties. In light of this shortcoming, a multivariate model was developed from the weak rock mass modulus dataset, and the new model is exponential in form and has the following independent variables： （1） average block size or joint spacing, （2） field estimated rock strength, （3） dis- continuity roughness, and （4） discontinuity infilling hardness. The multivariate model provided better estimates of modulus for both hard-blocky rock masses and intensely-altered rock masses.

学前儿童对幼师性别的偏好——来自幼儿友好型内隐联想测验(PSF-IAT)的证据

幼师对学前儿童的发展具有重要的作用,了解学前儿童对幼师性别偏好的现状及影响因素,有助于为当下幼师的选聘提供理论支撑,更好地促进儿童性别意识的发展。本研究采用幼儿友好型内隐联想测验(PSF-IAT),结合访谈法,以53名小班幼儿和83名大班幼儿为被试,考察了不同年级的儿童对教师性别偏好的现状,以及幼儿是否拥有过男幼师的教育经验对于学前儿童性别偏好的影响。研究结果发现:(1)男孩表现出对男幼师的偏好,女孩表现出对女幼师的偏好;(2)年级和有无接触过男幼师的经验这两个因素对学前儿童对男/女幼师的偏好无显著影响。研究表明幼儿园需要进一步引进男幼师以满足男孩对于男幼师的心理需求,改善女孩对男幼师的态度,更好地促进幼儿性别意识的正确发展。

Prediction of Planing Craft Motion Based on Grey System Theory

In order to minimize the harm caused by the instability of a planing craft, a motion prediction model is essential. This paper analyzed the feasibility of using an MGM（1,N） model in grey system theory to predict planing craft motion and carried out the numerical simulation experiment. According to the characteristics of planing craft motion, a recurrence formula was proposed of the parameter matrix of an MGMfl,N） model. Using this formula, data can be updated in real-time without increasing computational complexity significantly. The results of numerical simulation show that using an MGM（1,N） model to predict planing motion is feasible and useful for prediction. So the method proposed in this study can reflect the planing craft motion mechanism successfully, and has rational and effective functions of forecasting and analyzing trends.

Psychometrics of the chronic liver disease questionnaire for Southern Chinese patients with chronic hepatitis B virus infection

AIM： To test the psychometric properties of a Chinese [（Hong Kong） HK] translation of the chronic liver disease questionnaire （CLDQ）. METHODS： A Chinese （HK） translation of the CLDQ was developed by iterative translation and cognitive debriefing. It was then administered to 72 uncomplicated and 78 complicated chronic hepatitis B （CriB） patients in Hong Kong together with a structured questionnaire on service utilization, and the Chinese （HK） SF-36 Health Survey Version 2 （SF-36v2）. RESULTS： Scaling success was ≥ 80% for all but three items. A new factor assessing sleep was found and items of two （Fatigue and Systemic Symptoms） subscales tended to load on the same factor. Internal consistency and test-retest reliabilities ranged from 0.58-0.90 for different subscales. Construct validity was confirmed by the expected correlations between the SF-36v2 Health Survey and CLDQ scores. Mean scores of CLDQ were significantly lower in complicated compared with uncomplicated CHB, supporting sensitivity in detecting differences between groups.CONCLUSION： The Chinese （HK） CLDQ is valid, reliable and sensitive for patients with CHB. Some modifications to the scaling structure might further improve its psychometric properties,

Durability of sea-sand containing concrete:Effects of chloride ion penetration

This paper describes an orthogonal experiment on the effect of water/cement ratio,water consumption per cubic meter,curing time,and type of sand on the response＂resistance to chloride ion penetration＂.A sea-sand containing concrete was used for the trials.An analysis of chloride ion diffusion coefficients at different factor levels was performed.A predictive model of chloride ion diffusion in concrete is developed through regression analysis.The experimental results show that when the water/cement ratio varies from 0.45 to 0.60,and the water consumption per cubic meter varies from 185 to 215 kg,and the curing time varies from 30 to 180 d then the size of the effects fall in the order（most significant first）： curing time,type of sand,water consumption per cubic meter,and water/cement ratio.Chloride ion penetration is reduced,and better durability of the concrete is observed,with longer curing times,less water consumption per cubic meter,and a smaller water/cement ratio.

The response of collision speed caused by the large bus to new flexible barrier

In order to study the response of collision speed caused by the large bus to new flexible barrier,in this paper,with the large bus as the carrier,the full-scale impact tests between flexible barrier and vehicle with the impact velocities of 40 km/h and 60 km/h were carried out separately,following the procedures of the test preparation,test processing,data acquisition, etc,which were based on the test platform of the Large Structure Crash Testing Laboratory of Changsha University of Science and Technology. The important test results which contain the damage of vehicles and barrier,the moving locus of vehicle,the occupant risk index,the maximum dynamic deformation, etc,were obtained through the analysis under the different collision speeds. These provide the necessary reference basis for the further research on the structure topology optimization and improve the comprehensive constraint performance to the flexible barrier.

Prediction of Distillation Column Performance by Computational Mass Transfer Method

A computational mass transfer model is proposed for predicting the concentration profile and Murphree efficiency of sieve tray distillation column. The proposed model is based on using modified c＇2 -εc＇ two equations formulation for closing the differential turbulent mass transfer equation with improvement by considering the vapor injected from the sieve hole to be three dimensional. The predicted concentration distributions by using proposed model were checked by experimental work conducted on a sieve tray simulator of 1.2 meters in diameter for desorbing the dissolved oxygen in the feed water by blowing air. The model predictions were confirmed by the experimental measurement. The validation of the proposed model was further tested by comparing the simulated result with the performance of an industrial scale sieve tray distillation column reported by Kunesh et al. for the stripping of toluene from its water solution. The predicted outlet concentration of each tray and the Murphree tray efficiencies under different operating conditions were in agreement with the published data. The simulated turbulent mass transfer diffusivity on each tray was within the range of the experimental result in the same sieve column reported by Cai et al. In addition, the prediction of the influence of sieve tray structure on the tray efficiency by using the proposed model was demonstrated.