论工程抗震设防标准

本文论述了工程抗震设防标准在防震减灾工作中的重要作用和地位，总结分析了工程抗震设防标准工作的发展，现状和存在的问题，探讨了工程抗震设防标准工作的涵意和内容。作者认为设防标准工作应包括确定合理的设防原则，适当的设防目标，科学的设防环境，便于应用的设防参数，与社会经济条件相符合的设防水准和设防等级。     

论工程抗震设防标准

本文论述了工程抗震设防标准在防震减灾工作中的重要作用和地位，总结分析了工程抗震设防标准工作的发展、现状和存在的问题，探讨了工程抗震设防标准工作的涵意和内容，作者认为工程设防标准工作应包括确定合理的设防原则，适当的设防目标，科学的设防环境（地震）、便于应用的设防参数，与社会经济条件相符合的设防水准和设防等级，文中并对设防水准与等级的表述方式提出了具体的建议。从而为制定工程抗震设防标准工作建立起一个科     

Comparison of reliability and geometrical strength criteria in geodetic networks

 The proper and optimal design and subsequent assessment of geodetic networks is an integral part of most surveying engineering projects. Optimization and design are carried out before the measurements are actually made. A geodetic network is designed and optimized in terms of high reliability and the results are compared with those obtained by the robustness analysis technique. The purpose of an optimal design is to solve for both the network configuration (first-order design) and observations accuracy (second-order design) in order to meet the desired criteria. For this purpose, an analytical method is presented for performing the first-order design, second-order design, and/or the combined design. In order to evaluate the geometrical strength of a geodetic network, the results of robustness analysis are displayed in terms of robustness in rotation, robustness in shear, and robustness in scale. Results showed that the robustness parameters were affected by redundancy numbers. The largest robustness parameters were due to the observations with minimum redundancy numbers. Received: 14 August 2000 / Accepted: 2 January 2001     

Zum Einfluß des pH-Wertes und des Calciumgehaltes auf Metall-Fulvinsäure-Bindungen — Inversvoltammetrische und chemometrische Untersuchungen

The Influence of pH and Calcium Concentration on Metal-Fulvic Acid Bonds – Stripping Voltammetric and Chemometric Investigations. Electrochemically available metal concentrations of Cd, Cu and Zn were analyzed in dependence of different concentrations of calcium, fulvic acids and pH by Differential Pulse Anodic Stripping Voltammetry (DPASV). A statistical experimental design was the base to minimize the number of experiments and to include the multifarious interactions between the independent variables (Ca concentration, concentration of fulvic acids and the pH value) and otherwise the electrochemically available metal concentrations of Cd, Cu and Zn. At first analysis of experimental data was carried out by multiple linear regression. The main influence on available metal concentrations is the pH value especially for Cu. The Ca ion influence has not competitive effect and is only significant for Cd and Cu. It has an effect on the metal-fulvic acid-bonds. Two factor interactions exist for pH/fulvic acids and for Ca/fulvic acids too. The partial least squares regression (PLS) model was used to include the interactions between the metals Cd, Cu and Zn. For proving these two models the three parameters pH, Ca and fulvic acid were varied within the calibration range of the models and predicted values were compared with the experimental values. The approach with the PLS model is better than the approach with the multiple linear regression (normally used mathematical method of analysis of a factorial plan) with a relative error of 9.7% for modelling of Cd, 6.0% for Zn and 58% for Cu in relation to multiple linear regression with errors of 12% for Cd, 8.6% for Zn and 65% for Cu. The PLS modelling is a suited tool for modelling chemical interactions also in simulated natural matrices.     

GIS在卫生与健康领域的应用探索——中国鼠疫医学地理信息系统的设计与建立

应用医学地理与GIS方法建立中国鼠疫医学地理信息系统,分析病情分布时空结构及其与环境及社会经济因素的相关性,在确立对病情定量评估方法的基础上,建立病情动态监测与预报模型, 为有效防治疾病的发生、流行提供科学依据, 为建立以多种疾病为基础的中国环境--疾病信息系统做理论及实践探索。     

GPS vector configuration design for monitoring deformation networks

 The performance of geodetic monitoring networks is heavily influenced by the configuration of the measured GPS vectors. As an effective design of the GPS measurements will decrease GPS campaign costs and increase the accuracy and reliability of the entire network, the identification of the preferred GPS vectors for measurement has been highlighted as a core problem in the process of deformation monitoring. An algorithm based on a sensitivity analysis of the network, as dependent upon a postulated velocity field, is suggested for the selection of the optimal GPS vectors. Relevant mathematical and statistical concepts are presented as the basis for an improved method of vector configuration design. A sensitivity analysis of the geodetic geodynamic network in the north of Israel is presented, where the method is examined against two deformation models, the Simple Transform Fault and the Locked Fault. The proposed method is suggested as a means for the improvement of the design of monitoring networks, a common practice worldwide. Received: 30 July 2001 / Accepted: 3 June 2002 Acknowledgments. It is my pleasant duty to thank the Survey of Israel and Dr. E. Ostrovsky for providing the variance–covariance matrix of the G1 network in northern Israel. I would like to thank the reviewers of this paper for their constructive and helpful remarks.     

隔震技术在防震减灾中心大楼应用

福建省防震减灾中心大楼是十五期间福建省城市防震减灾体系工程的一个项目 ,也是省委省政府为民办实事项目之一。该大楼主要承担全省地震监测、预报中心 ,通讯网络中心 ,地震应急指挥中心 ,地震科普宣传中心等功能。为了保证大楼各系统安全 ,大楼设计施工采用叠层橡胶支座隔震技术 ,通过设置水平柔性隔震层使结构体系柔化 ,以达到减少或改变结构的水平地震力作用。不仅能在强地震中有效保护建筑结构和地震值班人员的安全 ,而且能够保护结构的装修和仪器设备免遭破坏 ,从而确保人数整体功能在紧急状态下能得以正常运行 ,为应急指挥、抗震救灾提供良好的服务。     

石灰粉喷桩在南店村大桥淤泥质地基加固的应用

根据某高速公路南店村大桥地基因淤泥质土含水量大于30％而承载力低的实际情况，采用石灰粉喷桩，加固处理南店村大桥桥台软基。根据开挖与动测结果，满足桥台地基承载力不小于150kPa的要求。该方法具有设备简单、施工方便、经济效益好的特点。     

省级行政区域界线管理信息系统的实现和应用

本文从省级行政区域管理信息系统建设的总体规划入手,阐述了该系统的总体结构和总体设计,详述了数据库内容和系统模块功能。分析总结了系统的特点、应用成果和所产生的社会经济效益。该系统不仅辅助解决边界争议问题,而且在土地资源的普查、动态监测和减灾防灾等方面有着广泛的应用前景。     

超深基坑支护设计与施工

拟建场地地势相对较高,地貌单元隶属太湖冲积平原虞西高亢平原亚区,主要为第四系河流相冲积。介绍在拟建的建筑物超深基坑支护中,将多种支护方法进行组合,以达到理想的效果。