Small World Properties Generated by a New Algorithm Under Same Degree of All Nodes

Based on the model of the same degree of all nodes we proposed before, a new algorithm, the so-called “spread all over vertices” (SAV) algorithm, is proposed for generating small-world properties from a regular ring lattices. During randomly rewiring connections the SAV is used to keep the unchanged number of links. Comparing the SAV algorithm with the Watts-Strogatz model and the “spread all over boundaries” algorithm, three methods can have the same topological properties of the small world networks. These results offer diverse formation of small world networks. It is helpful to the research of some applications for dynamics of mutual oscillator inside nodes and interacting automata associated with networks.     

Long range memory effects in flows involving abrupt changes in geometry: Part 2: the expansion/contraction/expansion problem

We give further theoretical consideration to the solution of flow problems involving abrupt changes in geometry using implicit rheological equations of state, so that the stress components are dependent variables along with the velocity components and the pressure.Attention is confined to the expansion/contraction/expansion problems and main interest centres on the effect of long range memory on flow characteristics, particularly the recirculating vortices arising from the presence of the abrupt changes in geometry.     

Letter: Generating Static Black Holes in Higher Dimensional Space-Times

In this article we extend to higher dimensional space-times a recent theorem proved by Salgado which characterizes a three-parameter family of static and spherically symmetric solutions to the Einstein Field Equations. As it happens in four dimensions, it is shown that the Schwarzschild, Reissner-Nordström and global monopole solutions in higher dimensions are particular cases from this family.     

新试剂（MSBTAMB）双波长光度法测定微量铜（Ⅱ）的研究

研究了新试剂２－〔２＇－（６＇－甲磺酰－苯并噻唑）偶氮〕－５－二甲氨基苯甲酸（ＭＳＢＴＡＭＢ）与铜（Ⅱ）的显色反应。试验表明，在ｐＨ２．０～５．１和４０％乙醇介质中，Ｃｕ（Ⅱ）与ＭＳＢＴＡＭＢ形成１＋１稳定的配合物，其最大吸收波长为６４２ｎｍ，用单波长法测得配合物的Σ（６４２）＝６．７４×１０４·ｍｏｌ－１·ｃｍ－１，双波长法测得的Σ（６４２，５４６）＝１．０９×１０５Ｌ·ｍｏｌ－１·ｃｍ－１。铜量在０～０．７２μｇ／ｍＬ范围内合符比尔定律。制定的方法用于人发和纯铝中微量铜的测定，结果满意。     

Antihypertensive activity of indole and indazole analogues: A review

Heterocyclic compounds occupy an important position in chemistry because of their wide range of uses in drug design, photochemistry, agrochemicals, and other fields. Indole and indazole scaffolds are available from natural and synthetic sources, and molecules containing these scaffolds have been shown to have various biological effects, including anti-inflammatory, antibacterial, antiviral, antifungal, analgesic, anticancer, antioxidant, anticonvulsant, antidepressant, and antihypertensive activities. Indole and indazole molecules bind to receptors with high affinity, and thus are useful for the study of bioactive compounds involved in multiple pathways. In this review, we highlight the antihypertensive activity and the mechanisms of action of indole and indazole derivatives. In addition, structure–activity relationship studies of the antihypertensive effect are presented.     

高校图书馆书刊采访决策支持系统

在指出高校图书馆书刊采访科学决策重要性的基础上,分析影响书刊采访决策的基本因素,提出一种科学的书刊采访决策模式.建立了图书供应商选择、采购经费分配、书刊选购决策的数学模型,进而给出书刊采访决策支持系统的设计方案.该系统的应用可提高图书采访质量.     

Strength distribution of novel local-world networks

It is discovered that there are two important characters, local-world character and weight-driven character, in many real-life complex networks. Motivated by this fact, a weight-driven local-world network model is proposed, which incorporates the weight dynamics and the fixed local-world property. By means of mathematical analysis and numerical simulation, the strength distribution of the network model has been obtained. The results are applied to epidemic spreading theory.     

An analysis of Chinese Super League partial results

Some of the history of soccer/world football in China is presented. Then consideration turns to the 2008 Chinese Super League. It has 16 teams. The results from the first half of the season, i.e. 15 rounds, are studied. The response of interest for a specific game is whether the home team won, tied or lost, who the home team was, and who the opponent was. The response is ordinal-valued. A generalized linear model is fit and then, given the remaining fixtures, used to predict the final standings of the season. Other explanatories, such as round number, are considered for inclusion in the model. Simulation is employed to estimate probabilities of interest. This work was supported by US National Science Foundation (Grant No. DMS-0707157)     

漫谈物理学的过去、现在与未来

文章试图对物理学的发展历史作一透视，从而理解其现状，并进而窥测其未来的前景，我们希望这一看法对于当今从事物理学教学与科研的人士有所助益，由于物理世界的层次化，诸层次之间既可能存在耦合，又可能出现脱耦，因而大量粒子所构成的复杂体系中所涌现的各种层展性质就不能简单地还原成个别粒子所服从的规律，我们根据这一观点并结合物理学的未来前景，讨论了当今物理学研究的若干前沿问题，一切迹象预示着物理学将有光明的前景     

A harmonious unifying hybrid preferential model and its universal properties for complex dynamical networks

To describe the real world which is a harmonious unification world with both de- terminism and randomness, we propose a harmonious unifying hybrid preferential model (HUHPM) of a certain class of complex dynamical networks. HUHPM is gov- erned only by the total hybrid ratio d/r according to the practical need. As some typical examples, the concepts and methods of the HUHPM are applied to the un-weighted BA model proposed by Barabási et al., the weighted BBV model pro- posed by Barat et al. and the weighted TDE model proposed by Wang et al. to get the so-called HUHPM-BA network, HUHPM-BBV network and HUHPM-TDE network. These HUHPM networks are investigated both analytically and numerically. It is found that the HUHPM reveals several universal properties, which more approach to the real-world networks for both un-weighted and weighted networks and have potential for applications.