Decision Support Systems (DSS) development using a model of user inquiry types: Methodological proposals and a case study

A study of the DSS implementation area reveals an increased emphasis on methodologies for DSS development. As the DSS field matures, a larger number of methodological options are becoming available to the DSS developer. Existing methodologies have adopted various methods for performing the important task of DSS requirements analysis and specification. In envisaging a hierarchy of requirements analysis methods, a method for improved requirements analysis is proposed to remedy observed deficiencies within it. This method is based on a view of generic types of inquiries or solicitations made by the DSS user during decision-making. This formalism constitutes the basis of a proposed DSS development methodology that offers several benefits to DSS development. The intended benefits include a sharper and more focused requirements analysis to improve the DSS development process. This paper describes the model and methodology, alongside details of a real-world example of their use in developing a Marketing Decision Support System (MKDSS) for the support of marketing decision-making.     

斜带石斑鱼雌鱼卵巢发育与血清性类固醇激素的生殖周期变化

斜带石斑鱼Epinephelus caioides卵母细胞发育可分为6个时相，以卵母细胞在卵巢中组成的差异可以把卵巢发育划分为相应6个时期。测定了成熟雌鱼血清中雌二醇和睾酮含量的生殖周期变化，在生殖季节成熟雌鱼血清中雌二醇和睾酮含量最高。生殖季节成熟雌鱼的平均性腺成熟系数GSI显著高于其它月份，并且血清性类固醇激素水平的季节变化与性腺成熟系数的变化基本一致，都是在生殖季节达到最高峰。     

Investigation on Bending and Creasing of Woven Fabrics under Low Curvature

Under the assumption of semi - circular form for a fabric bend, creasing of fabric strips and compression of fabric loops are analyzed by neglecting the structural complexity of the fabric. The relationship between the creasing force and deformation are deduced using an energy method and solutions are given for a linearly elastic material with constant internal frictional constraint. The agreements between the theoretical predictions and experimental results are very satisfactory.     

杭州湾大通道和港口建设现状分析及战略构思——系列研究之一

在杭州湾大通道及港口建设对宁波地区经济发展影响的系统分析中，率先分析杭州湾大通道建设的依据、设计规划和意义，以及宁波建设的现状，并进一步研究杭州湾大通道与宁波港之间建设和发展中的协调关系，从而提出和论证了杭州湾大通道和港口建设的战略构思，供决策部门参考。     

Difference in direct charge-parity violation between charged and neutral B meson decays

Equal amounts of matter and antimatter are predicted to have been produced in the Big Bang, but our observable Universe is clearly matter-dominated. One of the prerequisites for understanding this elimination of antimatter is the nonconservation of charge-parity (CP) symmetry. So far, two types of CP violation have been observed in the neutral K meson (K(0)) and B meson (B(0)) systems: CP violation involving the mixing between K(0) and its antiparticle (and likewise for B(0) and ), and direct CP violation in the decay of each meson. The observed effects for both types of CP violation are substantially larger for the B(0) meson system. However, they are still consistent with the standard model of particle physics, which has a unique source of CP violation that is known to be too small to account for the matter-dominated Universe. Here we report that the direct CP violation in charged B(+/-)-->K(+/-)pi(0) decay is different from that in the neutral B(0) counterpart. The direct CP-violating decay rate asymmetry, (that is, the difference between the number of observed B(-)-->K(-)pi(0) event versus B(+)-->K(+) pi(0) events, normalized to the sum of these events) is measured to be about +7%, with an uncertainty that is reduced by a factor of 1.7 from a previous measurement. However, the asymmetry for versus B(0)-->K(+)pi(-) is at the -10% level. Although it is susceptible to strong interaction effects that need further clarification, this large deviation in direct CP violation between charged and neutral B meson decays could be an indication of new sources of CP violation-which would help to explain the dominance of matter in the Universe.     

杭州湾大通道及港口建设与区域经济发展的关系--系列研究之二

文章订从宁波地区经济发展的三大特征出发，着重分析了杭州湾大通道及港口建设对宁波地区港口经济，外向型经济和旅游经济发展的促进作用及其影响，从而进一步论证了杭州湾大通道及港口建设对宁波经济、、浙江经济乃至杭州湾区域经济发展的重要作用，对宁波区域经济发展合理利用资源的决策提供了参考。     

Zeitgeber induced modulation of activity patterns in nocturnal mammals (Chiroptera)

Summary Changing the L:D intensity ratio of a synchronizing light-dark regime leads to characteristic modulations of the activity pattern of 5 Chiroptera species. These modulations fit the predictions ofWever's oscillator model.Supported by a grant from the Deutsche Forschungsgemeinschaft (No. Er 59, 1–4).