基于多因素综合评价法的城市土地定级评价研究——以银川市为例

多因素综合评价法能全面考虑各种与土地质量直接相关的因素,不仅包含了影响土地价值的经济因素,而且包含了其他因素。本文在分析已有文献的基础上,构建了针对城市土地综合定级评价的指标体系,运用特尔斐法结合方差和均值修正确定指标体系权重,选取银川市建成区的六个样本点,结合多因素综合评价法进行了实例分析,通过对评价结果进行分析,可知分等定级结果符合银川市城市发展建设的实际情况。     

ANTAEUS Project for the Regional Vulnerability Assessment of the Current Building Stock in Historical Centers

This article presents a methodology for the seismic vulnerability assessment of current buildings, suitable for the study of historical centers at the regional scale. The applicability is demonstrated with reference to four case studies: the historical center of the city of Foggia (Italy) and three other small towns of this province, for a total of 4519 housing units. Field data were collected by several teams of technicians by means of a survey form, provided in electronic format. The subsequent data processing and drawing of vulnerability maps was performed using geographical information system (GIS) technology. The collected data were used also for the validation of the algorithm, by comparing the results with those of the methodology used by the Gruppo Nazionale per la Difesa dai Terremoti (GNDT [Italian National Group for Defense Against Earthquakes]), which is widely adopted in Italy. The results of the research study and the application showed some critical points, related to the poor nature of the information collected and to the reliability of the final results. These issues are analyzed and discussed, proposing a strategy for improving the methodology.     

女性老年人肥胖的建成环境影响因素及规划响应研究

随着老龄化的快速发展,老年人在中国已经构成重要的群体,而因肥胖导致的一系列慢性疾病严重影响老年人的寿命和生命质量。身体质量指数（BMI）是衡量肥胖的重要指标。本文以女性老年人为研究对象,运用有序多分类Logistic回归模型,分析建成环境对女性老年人身体质量指数的影响。结果表明,居住地附近是否有适宜的休闲体力活动场所、居住地到休闲体力活动场所的步行时间、一周内去商场的频率、高热量食物的可获得性等建成环境变量与因变量女性老年人BMI等级存在显著联系。根据研究结论,从城市规划的角度提出建成环境优化建议,为构建老龄友好型的健康城市提供基础。     

Brachiopods of the Yarralumla Formation (Ludlovian), Canberra,Australia

The Yarralumla Formation of Canberra has been considered the stratigraphic equivalent of the earliest Ludlovian Yass Formation of the Yass Syncline north of Canberra. The previously unpublished brachiopod fauna of the Yarralumla Formation is fully described; comparison with that of the Yass Formation confirms approximate age equivalence. Of the eleven species, none of which is new, eight also occur in or a little above the Yass Formation.     

INSTANTANEOUS OPTIMAL CONTROL FOR SEISMIC ANALYSIS OF NON-LINEAR STRUCTURES

In this paper, an effective active control algorithm is developed for the vibration control of non-linear structural systems subjected to earthquake excitation. It is an attempt to include the non-linear characteristics of the structural behaviour throughout the entire analysis (design and validation), accounting for the eventual cumulative structural damage and energy dissipation. This is a very important factor since, in current design practice, structures are assumed to behave nonlinearly when subjected to strong ground motion. The proposed algorithm focusses on the instantaneous optimal control approach for the development of the control algorithm where the nonlinearities are brought into the analysis through a non-linear state vector and a non-linear open loop term. A performance index that is quadratic in the control force and in the non-linear states and is subjected to a non-linear constraint equation, is minimised at every time step. The effectiveness of the proposed non-linear instantaneous optimal control (NIOC) strategy is critically evaluated in comparison with currently available active control techniques. Numerical simulation results indicate that the proposed approach provides a significant reduction of the peak response quantities, such as maximum response deformation, maximum response acceleration, ductility of the system, associated with a reduced maximum control force.     

熟悉度对旅游目的地形象影响研究——以泰山为例

旅游目的地形象是吸引旅游者的关键因素之一,而目的地形象受到旅游者对目的地熟悉程度的影响。对泰山的研究表明：就总体形象和情感形象而言,旅游者对泰山的熟悉度越高,则形象越积极;就认知形象而言,6个形象因子中有4个因子也呈现出同样的情况。因此,建议目的地管理者从增加目的地信息传播的渠道、力争提高口碑推荐度和重游率等方面采取措施来提高旅游者对目的地的熟悉度,以此提升旅游目的地形象。     

Decomposing the Rural-Urban Differentials in Childhood Malnutrition in India, 1992–2006

Using data from multi-waves of the National Family Health Survey conducted in India between 1992 and 2006, this study examines the pattern of rural–urban differentials in childhood malnutrition in India over time. Furthermore, it identifies the factors responsible for the rural–urban gap in childhood malnutrition and quantifies their contribution. The result shows a considerable and widening gap in childhood malnutrition across rural–urban residence in the country over the study period. The rural–urban gap in childhood malnutrition has narrowed in a few states whereas it widened in most states over time. The economic status of the household and parental education was the most significant contributors to the rural–urban gap in childhood malnutrition in India. Based on the findings, this study suggests that to reduce the rural–urban gap in childhood malnutrition, focus should be given to the rural poor.     

A new statistical approach for determining the crystallinity of heat-altered bone mineral from FTIR spectra

The crystallinity of bone mineral represents an established method of measuring heat-induced change and is of importance to fields including material science, clinical science, anthropology and archaeology. A commonly used technique involves the calculation of the Crystallinity Index (CI) using selected peaks from Fourier Transform Infrared (FTIR) absorbance spectra. However, the choice of peaks has to date not been statistically justified. In this study a novel application of statistical techniques to the FTIR spectra of bone samples burned in the range 100 °C–1100 °C has been used to identify 5 new spectral indices of heat-induced crystallinity change. The validity of the new indices was tested by using a statistical classification model (LDA) to predict the burning temperature of a set of 108 bone samples burned between 100 °C and 1100 °C. A correct classification rate (CCR) of 97.2% was obtained when a combination of 4 indices including the CI was used. This was significantly better than the CCR of 66.7% which was obtained when the CI was used on its own.     

县域城乡关联度评价指标体系构建与应用——以大西安为例

在总结城乡一体评价指标体系研究进展的基础上,从城乡一体化过程中城市和乡村这两个子系统出发,选取城市发展水平、乡村发展水平和城乡协调水平三个功能目标层构建县域城乡关联度评价指标体系。以大西安地区各区县为例进行应用研究发现,不同地区的城乡关联度、城市发展水平、乡村发展水平和城乡协调水平相互之间存在一致性和差异性,其中城市发展水平对城乡关联度影响最大。     

旅游资源自驾车旅游开发适宜性评价体系构建与实证研究——以伊春市为例

自驾车旅游的开发对旅游资源具有特殊要求,传统的旅游资源评价方法应用到自驾车旅游开发中表现出局限性。基于自驾车旅游开发的视角,综合考虑旅游资源吸引力、资源环境条件、配套设施状况、客源市场与发展潜力四个方面,尝试建立了新的旅游资源评价指标体系。根据专家调查,运用主成分分析法和层次分析方法确定了指标体系各因子权重。最后以伊春市为例,应用模糊综合评判法对伊春市22个典型旅游区的旅游资源进行了自驾车旅游开发适宜性评价与分析。通过创新旅游资源评价体系,文章期望为自驾车旅游开发提供指导,并为其它专项旅游开发提供借鉴。