“四化”教学在无机化学理论课中的应用实践

在无机化学教学中采用通俗化、系统化、形象化和娱乐化的教学方式,使深奥的理论、抽象的概念变得容易理解和接受,使零散、枯燥的知识变得更易掌握。     

Model of the transformation of several basis structures into intermetallic crystal structure types

A model is presented that states that all intermetallic crystal structure types can be hypothetically derived from few basis structures. These hypothetical basis structures consist of different atomic layer stackings and conform to the principles of simplicity and high symmetry. The transition from the basis structure to the real structure takes place by the replacement of formerly occupied atomic sites by interstices followed by a lateral relaxation of the remaining atoms. This leads to, in most cases, a lowering of symmetry and packing density, as well as an alteration of stoichiometry. The requirement of the transition to the known real structure depends on the individual “nature” of the atoms of the different elements in the compound. The connection between basis structures and crystalline non‐equilibrium phases is highlighted. Non‐equilibrium phases, a topic of modern research, can be regarded as “frozen‐in” basis structures. (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)     

谈谈物理实验课的教学管理

为了提高物理实验课的教学质量．有必要加强实验教学的规范化、制度化建设。我们对此作了初步的实践和探索。     

基于Agent仿真的个体有限理性与众包绩效的关系研究

如何筛选有限理性参与者是企业实施众包的关键问题。通过引入个体有限理性,扩展了经典的NK模型,构建了模拟竞赛式众包问题解决过程的多主体仿真模型,研究了个体有限理性水平、个体有限理性系统化程度以及个体有限理性水平标准差对众包绩效的影响。仿真结果显示,个体有限理性水平对提高众包绩效有显著的正向影响,尤其是在任务复杂性较高的情况下;个体有限理性系统化程度和个体有限理性水平标准差对众包绩效也有正向影响,但依赖于个体有限理性水平。当企业有一个复杂性较高的任务时,如果追求所有方案的整体改善,企业需要招募有限理性水平较高的个体,并组成有限理性系统化程度较高且有限理性水平标准差较大的群体;如果追求少数优质方案,企业需要招募有限理性水平较高的个体,并组成有限理性系统化程度较低且有限理性水平标准差较大的群体。     

C,N-Diarylformamidines as Valuable Building Blocks in the Synthesis of Heterocyclic Compounds

Obtaining highly functionalized heterocyclic structures is an important topic of modern organic synthesis, as it reveals the possibility of constructing more complex systems and therefore, expanding the range of various drugs. Aiming at synthesizing complex molecules from simple and readily available reagents, the modification of C,N-diarylformamidines, well known in medicinal chemistry, is of great interest. This article reviews comprehensively the field of C,N-diarylformamidine chemistry and covers publications on this topic from 1999 to 2022.     

基于产品生命周期理论的系统化产品研发策略研究

采用分析产品全生命周期和企业发展历程的研究方法,对公司产品设计与研发的各种系统化策略进行了研究.结果表明:在公司不同的发展阶段,企业要推行相对稳定的跟随型、收缩战略型、巩固堆砌型、创新进取型等不同模式的系统化产品研发策略,企业还要打破常规经营模式,穿插引入突击型、稳健型等不同模式的研发和营销组合战术方法,才能有效提升企业竞争力.