稻草、麦秆等农作物秸秆资源再利用研究

研究了以稻草和麦秆为原料，用复合添加法制取糠醛的工艺条件，结果表明：用20%硫酸（液固比为2：5：1），加入复合添加剂（I)(主要成分为磷酸钙、磷酸、重钙等）或（Ⅱ）（主要成分为磷酸、重钙等）添加比例为15%-30%（占原料重量%），常压100°蒸馏2h,出醛率达理论出醛率的70%-80%，废渣全部变为中性复合肥料。     

弗洛伊德关于宗教起源的心理分析

作为一种意识形态,宗教是人类精神生活不可缺少的一部分,它反映了人类对终极关怀的思考。而关于宗教的起源问题,则历来是学界争论较为激烈的一个问题。本文主要从心理学的角度,着重介绍了以弗洛伊德为代表的精神分析学派在这一问题上的独特视角。根据弗氏的观点,宗教的起源可以追溯到原始人的图腾崇拜,而这些又是人类潜意识中＂俄狄浦斯情结＂的产物。     

Causal judgments of positive mood in relation to self-regulation: A case study with Flemish students

To examine students’ causal judgements of positive mood in relation to self-regulation, 128 participants from two different schools representing two distinct educational environments (Technical/Vocational School (TSO/BSO): N = 63; General Secondary School (ASO): N = 65) were asked to judge 45 statements containing three possible relationships (A → B; A ← B; A <> B) for all iterations of 5 constructs associated with positive mood, namely Hope, Optimism, Resilience, Confidence, Persistence, 4 constructs associated with self-regulation, namely Motivation, Social support, Problem-solvingLearning goals, and 1 construct representing Academic performance. Based on a Pareto analysis, mental models were constructed for each school. An analysis of the mental models indicates that all students believe positive mood constructs to be causally related to self-regulation constructs with Academic performance identified as the main driver and Learning goals as the primary outcome for both schools. It is concluded that an appreciation of participants’ causal attributions of positive mood states in relation to self-regulation can present a clearer picture of the conditions under which participants’ causal understanding of positive mood and self-regulation constructs can be activated and used as an interpretive and evaluative framework in learning encounters.     

Hopf bifurcation control for delayed complex networks

In this paper, we consider the problem of Hopf bifurcation control for a complex network model with time delays. We know that for the system without control, as the positive gain parameter of the system passes a critical point, Hopf bifurcation occurs. To control the Hopf bifurcation, a time-delayed feedback controller is proposed to delay the onset of an inherent bifurcation when such bifurcation is undesired. Furthermore, we can also change the stability and direction of bifurcating periodic solutions by choosing appropriate control parameters. Numerical simulation results confirm that the new feedback controller using time delay is efficient in controlling Hopf bifurcation.     

Research and technology policies in innovation systems: zero tillage in Brazil

The increasing complexity of technology development and adoption is rapidly changing the effectiveness of scientific and technological policies. Complex technologies are developed and disseminated by networks of agents. The impact of these networks depends on the assets they command, their learning routines, the socio-economic environment in which they operate and their history. In this new environment, scientific and technology policies should: (1) foster interactions among agents (whether public or private), (2) increase the effectiveness of public research, extension and funding institutions, (3) give sufficient freedom to researchers to set their research programs, and (4) monitor the quality of research (rather of research outputs). The evolution of innovation networks is analyzed looking at the development and diffusion of zero tillage (ZT) in Brazil.     

Cascading failures in local-world evolving networks

The local-world （LW） evolving network model shows a transition for the degree distribution between the exponential and power-law distributions, depending on the LW size. Cascading failures under intentional attacks in LW network models with different LW sizes were investigated using the cascading failures load model. We found that the LW size has a significant impact on the network＇s robustness against deliberate attacks. It is much easier to trigger cascading failures in LW evolving networks with a larger LW size. Therefore, to avoid cascading failures in real networks with local preferential attachment such as the Internet, the World Trade Web and the multi-agent system, the LW size should be as small as possible.     

我国农林业复合经营发展潜力的初步分析

农林业复合生态系统是人们模拟自然生态系统而建立起来的农（牧）林结合的人工生态系统。自1978年K.KING 博士第一次提出“Agroforestry"     

基于复杂网络理论的计算机网络拓扑研究

复杂网络理论近年来发展迅速。介绍了复杂网络理论的相关知识,基于此对计算机网络拓扑进行了探究,阐述其特性并对其未来发展趋势进行了展望。     

复凝聚法制备滁菊挥发油微囊的工艺研究

探索滁菊挥发油微囊的最佳制备工艺。采用复凝聚法制备滁菊挥发油微囊,以外观形态、粒径、包封率、载药量为指标,正交设计优选工艺条件。滁菊挥发油微囊的最佳制备工艺条件为:复合胶与挥发油的比例为1∶1,温度为55℃,p H为4.0,固化剂量为1.5m L。制得的滁菊挥发油微囊形态呈圆形、光滑,粒径分布在80~120μm,平均包封率为(48.89±5.93)%,平均载药量为(13.11±2.30)%,TLC法显示供试品溶液与对照品溶液在相同的位置出现相同斑点。该制备方法操作简单易行,处方合理,制得微囊外观圆整,载药量和包封率较高。     

强耦合时滞复杂系统滤波研究现状与展望

复杂系统的强耦合和时滞的特性使得系统中的随机问题变得复杂,降低时滞及非高斯噪声干扰对信息交互的影响是控制和信号处理领域的前沿研究问题。从稳定性、滤波方法和滤波算法优化三个方面评述了强耦合时滞复杂系统滤波的研究现状和进展。最后,指出了进一步研究强耦合时滞复杂系统滤波的主要方法。