Mechanical Design and Research on Process of Air Suction Drawing System of Spunbonded Nonwoven

The design guideline for the air suction drawing system with auxiliary air was analyzed, a spunbonding nonwoven system named PADHL1 - 3200 was designed and polypropylene （PP） spunbonded nonwoven fabrics with excellent properties were achieved after many trial runs. On the other hand, the suction air velocity （VA） was calculated and the influence of VA on the bonding strengh of PP nonwoven fabrics was Studied as well. It was found that VA is 1.5 - 2.5 times of the spinning velocity. With the increase of VA, PP fibers become finer and the bonding strength of PP nonwoven fabrics increases as well.     

Which survey indicators are useful for monitoring consumption? Evidence from European countries

This paper assesses the information content of two survey indicators for consumption developments in the near future for eight European countries in the period 1985–1998. Empirical work on this topic typically focuses on consumer confidence, the perceptions of buyers of consumption goods. This paper examines whether perceptions of sellers of consumption goods, measured by retail trade surveys, may also improve short‐term monitoring of consumption. We find that both consumer confidence and retailer confidence embody valuable information, when analysed in isolation. For France, Italy and Spain we conclude that adding retail confidence does not improve the indicator model once consumer confidence has been included. For the UK the reverse case is obtained. For the remaining four countries we show that combining consumer sentiment and retail trade confidence into a composite indicator leads to optimal results. Our results suggest that incorporating information from retail trade surveys may offer significant benefits for the analysis of short‐term prospects of consumption. Copyright © 2004 John Wiley & Sons, Ltd.     

MeV Pb离子在非晶Si中的射程离散──离子束混合和增强扩散的影响

１．０ＭｅＶ２０８Ｐｂ离子在非晶Ｓｉ中的投影射程ＲＰ和射程偏差ΔＲＰ作为注量和温度二者的函数用背散射法进行测定．注量的变化范围为５×１０１３～７×１０１４ｃｍ－２．注入是在室温和ｔ＝－１２０℃下完成的．由由实验所确定的投影射程，射程偏差与注量或温度无关，并且分别等于２９５和７２．２ｎｍ．与ＴＲＩＭ８６的计算结果相比较，发现ＲＰ的偏离为１８％，而ΔＲＰ的偏离为３６％．ＲＰ和ΔＲＰ二者与注量及温度的无关性，排除了所观察到的与ＴＲＩＭ的矛盾是由于注入期间辐射增强扩散或离子束混合效应而引起的解释。     

浅谈如何做好群众工作

通过回顾党的历史上关于群众工作的一系列决策决定,指出领导干部要进一步提高对做好群众工作重要性的认识;对做好群众工作中领导干部的要求做出阐述。     

The innovation research of financial early-warning index measurement

The period economic fluctuation is vital for an enterprise to exist and further develop,it directly affect the enterprise financial health.So,it is significant to build up financial early-warning index and measure the warning condition that the enterprise faces and take the effective measures to eliminate. We criticize Altman's Z calculating model and build up some new indexes for enterprise financial early-warning condition measuring and making sound decision.     

扩散过程样本的Holder连续性及其应用

本文讨论扩散过程样本的Ｈｏｌｄｅｒ连续性，在局部Ｌｉｐｓｃｈｉｔｚ条件下，我们证明了扩散过程样本类似于Ｂｒｏｗｎ运动样本一样的Ｈｏｌｄｅｒ连续性，进一步，我们还了扩散过程样本的象与图集的Ｈａｕｓｄｒｏｆｆ维数。     

《重筛法》及其应用(Ⅰ)

《重筛法》是一种研究方法,是把复合数与质数区分开来,并进行分类和标码,使质数分布问题的研究转换成对“码”运算的研究.本文介绍了《重筛法》部分内容,及其在若干质数分布问题研究中的应用.本文着重介绍利用等差级数特性,实现复合数和质数的区分、分类和标码;并推导出实用的质数公式.     

一类代数上的逻辑学（Ⅱ）

Ｚａｄｅｈ的复合命题演算方法（简称ＣＲＩ方法）虽然已被广泛采纳并在应用上取得了很大成功，然而ＣＲＩ方法至今尚未有严格的理论基础．本文在一类模糊公式代数Ｆ（Ｓ）上通过特殊的赋值方法为模糊取式（ＦｕｚｙＭｏｄｕｓＰｏｎｅｎｓ）与模糊拒取式（ＦｕｚｙＭｏｄｕｓＴｏｌｅｎｓ）建立了严格的逻辑基础．其中关于ＦＭＰ的一个结果不只是Ｚａｄｅｈ的ＣＲＩ方法相应结果的改进，而且也是首次把ＣＲＩ方法纳入了模糊逻辑的框架之中，沿此途径，进一步提出并研究了前提与结论之间的支持度与相似度的理论．     

奇异二阶微分方程边

利用拓扑度理论研究了奇异二阶Neumann边值问题.在有关其线性算子方程对应的第一特征值的条件下得到了边值问题正解及多解的存在性.     

单阶段和多阶段激励博弈模型

应用博弈论研究方法，建立了用来分析企业领导者对下属激励问题的单阶段和多阶段博弈模型。通过对模型的分析，领导者和下属双方的短视行为将导致两败俱伤的结果，在多次重复博弈中，领导者和员工重视的不是短期的得失，而是长期利益的获取，寻求长期合作才是双方理性的选择。领导者对暂时不合作的下属要根据下属的信用程度给予适当的机会，以期待下属与领导者的长期合作。对于信用程度差的下属，也不要给予多于一次的机会，以减少风险。