3带紧支撑的正交小波

本文首先通过Householder矩阵扩充构造了3带紧支撑的正交小波．当尺度函数具有紧支撑对称正交性时,本文通过仿酉矩阵对称扩充构造了3带紧支撑对称的正交小波,并且研究了所构造对称小波的结构．所构造小波函数的支撑不超过尺度函数的支撑,构造方法容易推广到一般d带的情形．另外,本文还给出了容易实施的显式构造算法．最后,给出了构造算例．     

基于VB的WebAccess组态功能扩展

结合高速铁路国家实验室"车厢环境检测"项目,探索如何用VB设计一些辅助程序,并将这些程序嵌到WebAccess组态软件中,通过两者的紧密结合,解决一些现实中的棘手问题,扩展组态软件的功能以便更好地满足用户需求。     

The "hidden observer" phenomenon in hypnosis: Some additional findings.

23 highly hypnotizable undergraduates (Harvard Group Scale of Hypnotic Susceptibility) underwent 2 specially constructed 7-item hypnotic inductions. Over the 14 items, the main finding was of a relationship between E. R. Hilgard's (1973, 1977, 1979) "hidden observer" effect and 2 aspects of hypnotic age regression. Ss reporting a hidden observer experienced duality during regression to age 5, in which they were aware of being both adult and child. When asked to write a complex sentence, most did so, usually without spelling errors. The Ss not reporting this effect experienced quasi-lateral age regression in which they had the exclusive feeling of being 5 yrs old, with no sense of an adult identity. Most of these Ss were unable to write the same complex sentence when requested to during age regression. The study replicated Hilgard's finding of the hidden observer phenomenon in terms of its incidence and obtained similar verbal reports from Ss experiencing it. At the same time, the results suggest that a neodissociation account of hypnosis may need some modifications to accommodate these additional findings. (27 ref) (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

两个分式型不等式的拓广与深化

对两个分式型不等式的参指数α作适当拓广,得到两个一般的分式型不等式,同时对新的分式型不等式的变元ai与bi作巧妙的代换,参指数α与β作适当变形,得到了许多著名的不等式,甚至是其反向不等式,是其加强式,使此类问题系统化、深刻化.     

单试样三点柔度法测金属材料JR曲线及其条件起裂值

在单试样卸载柔度法及单试样三曲线法基础上,提出了一种更简便的测定金属材料ＪＲ曲线及其条件起裂值的单试样三点预先度法,并用该方法测定了１Ｃｒ１／２Ｍｏ钢、１６ＭｎＲ风和ＷＣＦ６２钢的ＪＲ曲线及其条件起裂值,与标准的多试样法相比,误差均在工程许可范围内。     

基于新的特征向量和Kalman的复杂体制雷达合批算法

通过引入一种在分选中常出现增批现象的复杂体制雷达,在对其脉冲描述字的特点分析上指出了现有合批处理算法无法有效对其合批处理的原因。提出适合该雷达样式的新的特征向量。基于这个特征向量给出了一种基于Kalman的合批处理算法。仿真验证了该算法的有效性。     

集成计数器74LS161的逻辑功能扩展

MSI可编程计数器74LS161是同步二进制加法计数器,常规使用是构成各种不同进制的加法计数器。文中探讨了MSI可编程计数器74LS161的逻辑功能扩展问题,目的是探索MSI可编程计数器进行非常规使用改变应用方向的逻辑修改技术,即对可编程计数器74LS161的状态输出进行逻辑修改,改变计数规律,将状态输出反馈到预置数输入端实现“次态一预置数”的时序关系,从而实现逻辑功能扩展。所述方法的创新点是提出了MSI可编程计数器改变应用方向的逻辑修改方法。     

基于IP over TS系统网段内地址扩展技术的研究

针对IP over TS 系统研究同一网段内的地址扩展技术,分析常用的链路扩展方法,在无线链路传输中针对该方法所导致的信道有效占有率不稳定且不足提出邻接表法.为了增强邻接表法的地址扩展灵活性将邻接表法改进为自适应邻接表法.测试结果表明,自适应邻接表法解决了同一网段内的地址扩展问题.同时提高了无线信道有效数据的占有率和稳定性.     

牛奶灌装管路中T形接头的焊接

通常牛奶灌装管路中T形接头的焊缝是一条马鞍形空间曲线，我们通过一个简单的拉伸装置将焊缝转换成规则的正圆平面曲线，以方便焊缝加工，达到平整光滑的要求，这对经常清洗作业的灌装管路是非常重要的。     

Combined effect of chitosan and modified atmosphere packaging for shelf life extension of chicken breast fillets

The combined effect of dipping in a chitosan solution (1 g/100 ml) and packaging under modified atmosphere (MAP, 70% CO₂, 30% N₂) on shelf life extension of refrigerated chicken fillets was investigated. Microbiological (Total Viable Counts, Pseudomonas spp., Lactic Acid Bacteria and Enterobacteriaceae), physicochemical (headspace gas composition, pH, color and Thiobarbituric Acid test) and sensory (odor and taste) parameters were monitored for up to 14 days. TVC were 3.9–4.9 log cfu/g lower on day 6 of storage in treated vs. untreated air-packaged samples with the strongest effect being shown by the combination of chitosan plus MAP. A similar reduction in LAB, Pseudomonads and Enterobacteriaceae was recorded during storage. pH values varied between 5.73 (day 8, for acetic acid treated samples) and 6.28 (day 6, for air-packaged samples). Malondialdehyde (MDA) values ranged between 0.19 and 0.80 mg/kg indicating negligible oxidation of lipids. The color parameter L* decreased with time in the air-packaged samples but remained unaffected in all other treatments. Parameters a* and b* were not significantly affected by the chitosan or the MAP treatments. Based on the microbiological and sensory data, shelf life of air-packaged, chitosan-treated, MAP-treated and chitosan/MAP treated samples was 5, 11, 12 and 14 days, respectively.