黄果树、龙宫旅游区旅游者行为特征分析

本文通过实地调查,对前来黄果树、龙宫旅游的游客进行分析,主要包括了对旅游心理分析;旅游行为分析;游客背景分析等。揭示旅游者在旅游过程中的行为特征,找出两景区目前在开发经营中存在的主要问题,为经营管理部门规划决策提供科学依据,促进两区旅游业的发展。     

代可可脂巧克力浆的屈服应力

研究了可可粉与三种代可可脂组成的巧克力浆的流变性，在可可粉体积分数ψ较低时，三种可可悬服体均呈牛顿性，但当ψ≥０．２时，具有明显剪切稀化特征。悬浮体粘度服从一通用流变模型，当ψ超过某一临界值而悬浮体有屈服应力时该模型自动转化为Ｃａｓｓｏｎ方程。屈服应力与颗粒体积分数的关系服从四参数方程，实验求出了全部模型参数。     

Ranging behaviour of the invasive crayfish,Procambarus clarkii (Girard)

The spreading of the invasive crayfish Procambarus clarkii throughout the world is attributed to human introductions; however, the rapid and widespread diffusion of the species following its establishment is the result of its dispersal capabilities. This study aimed to provide further information for the comprehension of the invasive potential of this crayfish by underlining some aspects of its behavioural flexibility. Radio-telemetry was used to analyse locomotion, home-range faithfulness and dispersal of the species in an Italian irrigation ditch system. Space was used differently by the two sexes, females being more nomadic in their ranging behaviour probably due to their reproductive phase. In addition, an inter-individual variability was found in both speed of locomotion and dispersal pattern. By applying a simulation model, it was shown that (1) both sexes disperse, and (2) ranging behaviour is not the result of a passive dispersion, but that the occupancy of burrows may affect the rate of dispersion. Finally, an intra-individual variability is related to the occurrence of two spatial strategies within the same population.     

工程石墨声发射行为及其与结构性能的相关性

通过对多种工程石墨材料声发射行为的系统研究，探讨了石墨材料声发射行为的特征，发现并提出了石墨材料声射数随载指数增加以及声发射振幅服从指数分布的规律，并从其微观结构的角度对发射进行作了解释，在此基础上，对石墨声发射行为与结构性能的相关性首次进行了较为系统的定量分析研究。结果表明，石墨的声发射行为与晶粒尺寸，抗折强度，非线性程度等有着显著的相关性，因此，对在石墨材料生产检测中应用声发射技术具有一定的指     

铝酸酯偶联剂在碳酸钙填充ABS及PVC中的应用研究

研究了铝酸酯偶联剂对碳酸钙的活化作用，进而探讨了活性碳酸钙分别填充ＡＢＳ及ＰＶＣ的复合体系的流变性，并对其力学性能进行了测定。实验证明，活化处理能够提高ＣａＣＯ３的填充量，改变复合体系的流变性、加工性能和某些机械性能．     

设注水孔条件下湿陷性黄土试坑水分入渗规律

对山西省晋中市榆次区大厚度自重湿陷性黄土场地进行布设注水孔、埋设土壤水分传感器的浸水试验。结果表明:由于布设注水孔,试坑内水分扩散存在自下而上、自上而下、由试坑中心向两侧扩散的特点,湿润锋扩散形态比较复杂;浸水52 d,试坑内探井全断面基本达到饱和含水率,注水孔的布设节省了大量的试验时间与费用。体积含水率随时间变化曲线基本可以分为4个阶段:初期含水率平稳段;含水率增长、变化段;饱和含水率稳定延续段;末期含水率小幅减小变化段。     

管缝式锚杆的轴向受力特征

详细讨论了管缝式锚杆的轴向受力特征，指出了锚杆轴向力，剪应力、轴向应力及轴向位移均呈指数分布，直至临界滑移状态的均匀分布，为了使理论模型更接近实际，提出了以现场拉拔试验确定模型参数的方法。     

Melatonin modulates apomorphine-induced rotational behaviour

Summary Prior melatonin administration (1 and 10 mg/kg b.wt) causes a significant reduction in apomorphine (1 mg/kg b.wt) induced rotational behaviour in both 6-hydroxydopamine and quinolinic acid lesioned rats.     

无限维线性系统的有限维接触元

本文通过简洁而又直观的方法讨论了线性情形时的有限维接触无的渐近行为，特别地，给出了渐近解的表达式。