论知识资本价值增值性质

知识资本的出现具有独特的意义。知识资本不违反资本的一般性质,根据知识资本不同部分对价值增殖的不同作用,知识资本也可以划分为可变资本和不变资本。知识资本理论可以也应该和劳动价值论对接起来。     

夸克和轻子质量经验公式的理论分析

通过量子场论,W-S标准模型SU(5)模型及混沌理论,分析了三代轻子、夸克质量的经验公式,并揭示了me、mμ、mτ及mq之间的内在联系.     

车用异步电机的一种最佳响应性能整定方法

异步电机的转子磁链定向矢量控制具有自然解耦的特点,正确解耦有助于车用异步电机获得最大电磁转矩的需 求,只是解耦需要准确的电机参数。通过分析转差频率与转子时间常数的关系,及当转子时间常数不准确时的转矩变化 趋势,文章提出了一种整定方法,不追求参数和解耦的准确性,而以“最大加速度／转矩电流”为目标。先通过离线辨识 得到定子参数,据此估算额定励磁电流值和转子参数的搜索初值,再通过实际电机的最快响应来搜索不同转矩电流下对 应的转子时间常数的函数关系。在基于TMS320F28069搭建的驱动系统上进行了实验。实验结果表明,电机的加速性 能与控制算法中的转子时间常数密切相关,当转矩电流与此转子时间常数满足一定的函数关系时,单位电流的转矩达到 最大,电机的加速性能最优。研究有助于提高车用异步电机的加速性能。     

Characterization of the geometric distribution by the form of a predictor

The problem of prodicting max (X₁X₂) given min(X₁X₂) is considered when Y₁and Y₂ are i.i.d random variables making positive integral values. It is provea tnat tne oest predictor is a linear Function or min(X₁,X₂); with unit slope Iff X₁, and X₂ have geometric distributions. As an extension of this result, the geometric distribution is characterized by the constancy of regression of min(X₁?X₂|, c) on inin(X₁,X₂) where c is any positive integer.     

Some notes on the fisher–bingham family on the sphere

The fisher–Bingham family is potentially useful class of spherical distributions, but its practical application has been hindered by various problems, including; the identification of the form of the distribution, given the parameter values; and finding an effective technique for calculating the normalising constant, a requirement for maximum likelihood estimation. It is explained how these difficulties can be resolved. and then parameter estimation and hypothesis testing are discussed. A practical example is given.     

C334. On the neutron and proton masses: a numerological case study

The intercomponent rank test suggested by Thompson (1991a) for the bivariate two sample problem is compared with the intracomponent rank test discussed by Puri and Sen (1971) and Hettmansperger (1984) and with the Hotelling T ² test. Asymptotic relative efficiencies are discussed and the results of a simulation study are presented. Power studies show that for small sample sizes and small Type 1 error rates, say n = 5 and α = .01, the intercomponent rank test of Thompson (1991a) is somewhat liberal and the intracomponent test is quite conservative. For larger sample sizes and larger Type 1 error rates, both rank tests have improved properties under the null hypothesis. In almost all simulated cases, the intercomponent test is more powerful. In light of these studies it is suggested that the intercomponent rank test of Thompson (1991a), which has the added advantage of being easily computed with standard statistical software, is a strong competitor to the intracomponent rank test.     

马克思技术创新思想再解读

通过对马克思著作文本的解读,可以看出,马克思不仅从可变资本和不变资本节约的角度对技术创新作了分类,而且从自然、经济、社会、人的广阔视野出发,全面审视了技术创新的功能,论证了技术创新是人类社会发展的原动力。马克思的技术创新思想进一步证明和发展了唯物史观的科学原理,深刻揭露了资本家剥削工人的秘密,奠定了科学社会主义理论的基础。     

休谟论习惯的本性与作用——基于感性情感分析

休谟哲学坚定地贯彻了经验原则与怀疑原则,最为显著的是他立足于习惯、情感、信念等人的自然本性来怀疑理性的权威,探求人的认识能力的限度。习惯在休谟的人性哲学中是一个尤为重要的概念,对于整个休谟认识论思想的构建起到了关键性作用。从休谟的著作中不难发现,习惯作为人的一种自然本性呈现出感性特性,并且在因果推断中发挥主导作用,从而使因果推断具有可然性而非绝对必然性,这就将感性情感推到了首要地位,凸显了一条感性经验推断路线。     

丰深1凝析气藏相态特征研究

丰深1凝析气藏是济阳拗陷古近系深层凝析气藏的首次发现。通过对地层流体组成分析、恒质膨胀和定容衰竭实验,及井下温度、压力连续测量,对丰深1凝析气藏相态特征进行了深入研究。结果表明,丰深1凝析气藏为高温、高压不饱和凝析气藏,无油环;地层流体中间烃、重烃含量高,凝析油含量为606g/m³,属高含凝析油的凝析气;该凝析气藏地露压差6.70MPa,衰竭式开采地层压力下降快,6mm气嘴生产时,生产初期近井地层压力就降到露点压力以下,出现反凝析现象,反凝析损失严重,重质组分采收率低,油气两相流动造成渗流阻力增加,使单井产能下降。相态研究为丰深1含油气砂砾岩体储量评估和开发方案编制提供了依据,对济阳拗陷同类型油气藏勘探开发具有指导意义。