多维视角的高质量专利识别及其应用研究

[目的/意义] 我国专利数量巨大,但质量高低不齐。高质量专利对技术追踪、技术引进和资产管理极其重要,低质劣质专利则会阻碍科技创新的评估。聚焦高质量专利并进行挖掘可以获取更加深层与核心的情报,但高质量专利筛选却如"大海捞针",目前尚无可行的识别筛选方法。探索适合中国专利的高质量专利评价模型及筛选方法迫在眉睫。[方法/过程] 通过文献调研法对当前专利质量及评价进行综合归纳的基础上,延伸并界定高质量专利的内涵,对专利质量评价维度及指标进行创新拓展,构建分级、分层的多维视角专利质量评价指标体系,并基于创新指标体系建立高质量专利识别方法流程模型,最后以上海市高质量专利分布现状为例验证了方法模型的实用性及可行性,并为创新主体提出相应建议。[结果/结论] 研究结果表明本文提出的高质量专利指标模型及识别方法具有较强的科学性和可操作性,利用该指标模型和识别方法可对某地区或某领域的大批量专利进行筛选识别,为实现专利技术情报的科学高效利用提供有价值的参考。     

Subspace design of low-rank estimators for higher-order statistics

Higher-order statistics (HOS) are well known for their robustness to additive Gaussian noise and ability to preserve phase. HOS estimates, on the other hand, have been criticized for high complexity and the need for long data in order to maintain small variance. Since rank reduction offers a general principle for reduction of estimator variance and complexity, we consider the problem of designing low-rank estimators for HOS. We propose three methods for choosing the transformation matrix that reduces the mean-square error (MSE) associated with the low-rank HOS estimates. We also demonstrate the advantages of using low-rank third-order moment estimates for blind system estimation. Results indicate that the full rank MSE corresponding to some data length N can be attained by a low-rank estimator corresponding to a length significantly smaller than N.     

德国"双元制"职教考试制度评析与借鉴

“双元制”职业教育的考试组织权威，考试内容灵活，考试结果实用。我国职业院校应借鉴其积极因素，树立以能力为中心的现代考试观，建立科学的考试制度，采用灵活多样的考试方式，大力推进“多证书”制度，教育教学和考试质量采用外部认证模式。     

Evaluation of a New Mean Scaled and Moment Adjusted Test Statistic for SEM

Recently a new mean scaled and skewness adjusted test statistic was developed for evaluating structural equation models in small samples and with potentially nonnormal data, but this statistic has received only limited evaluation. The performance of this statistic is compared to normal theory maximum likelihood and 2 well-known robust test statistics. A modification to the Satorra–Bentler scaled statistic is developed for the condition that sample size is smaller than degrees of freedom. The behavior of the 4 test statistics is evaluated with a Monte Carlo confirmatory factor analysis study that varies 7 sample sizes and 3 distributional conditions obtained using Headrick's fifth-order transformation to nonnormality. The new statistic performs badly in most conditions except under the normal distribution. The goodness-of-fit χ² test based on maximum-likelihood estimation performed well under normal distributions as well as under a condition of asymptotic robustness. The Satorra–Bentler scaled test statistic performed best overall, whereas the mean scaled and variance adjusted test statistic outperformed the others at small and moderate sample sizes under certain distributional conditions.     

耐热木聚糖酶源细菌筛选、鉴定及酶学性质

利用木聚糖作为唯一碳源的基础盐培养,在50℃培养条件下,从新乡周围土样及腐殖质中筛选到1株产耐热β-木聚糖酶细菌,初步鉴定为巨大芽孢杆菌（Bacillus megaterium FLH-2）.该菌株在40~55℃生长良好,最适生长温度50℃.木聚糖酶粗酶性质研究表明：该酶最适pH和最适温度分别为6.0和65℃;在pH 5.0~9.0及温度30~75℃之间酶活相对稳定,分别处理30 min,相对酶活仍保持在80%以上.     

基于连续型Hopfield神经网络的系统辨识

连续型Hopfield神经网络(CHNN)可用于优化计算,但其会遭遇较复杂的参数辨识问题.为了较好地解决这一问题,将擅长全局搜索的蚁群-粒子群混合算法用于对系统参数的最优化选取.再将此混合算法与CHNN有机结合,更好地解决参数辨识问题,且能有效避免CHNN在应用过程中陷入局部最优解.最后,将理论结果应用于求解TSP问题来验证其有效性.     

企业核心资源识别的客户界面分析

本文基于核心资源的价值特性,通过对客户价值的差异性、动态性等方面的探讨,分析了企业外部的客户界面。以此为前提,又进一步探讨了企业内部的价值创造过程,通过探求外部差异的内在原因,进而审视企业内部资源的核心性。最后,立足于企业内部资源界面和外部客户界面之间的互动,构建了一个核心资源界面识别的基本模式。     

专利竞争优势及其识别

无形资源是企业资源中对持续竞争优势的贡献较大的资源,专利就是其中一种,专利很好的满足了创造持续竞争优势对资源所要求的条件,因此对竞争优势的贡献不容忽视。本文构建了一个识别专利对公司产品竞争优势贡献大小的框架,这个框架可以根据产品的具体属性进行修改,最后可以计算出专利对竞争优势的贡献大小。     

The polygenic profile of Russian football players

Abstract

Research concerned with predictors of talent in football has highlighted a number of potentially important and partially inherited measures such as body size, anaerobic power, aerobic capacity, agility, psychological profile, game intelligence and susceptibility to injuries. Genotyping for performance-associated DNA polymorphisms at an early age could be useful in predicting later success in football. The aim of the study was to investigate individually and in combination the association of common gene polymorphisms with football player’s status. A total of 246 Russian football players and 872 controls were genotyped for 8 gene polymorphisms, which were previously reported to be associated with athlete status. Four alleles (ACE D, ACTN3 Arg577, PPARA rs4253778 C and UCP2 55Val) were first identified, showing discrete associations with football player’s status. Next, we determined the total genotype score (TGS, from the accumulated combination of the 4 polymorphisms, with a maximum value of 100 for the theoretically optimal polygenic score) in athletes and controls. The mean TGS was significantly higher in football players (52.0 (17.6) vs. 41.3 (15.5); P < 0.0001) than in controls. These data suggest that the likelihood of becoming a football player depends on the carriage of a high number of “favourable” gene variants.     

华侨精神与全球化背景下的侨乡发展——以广东江门五邑侨乡为例

不同地域和类型的侨乡有不同的“侨乡优势”,但侨乡优势更多地体现为一种自强不息的精神遗产。在全球化加速推进的时代,侨乡优势也表现为海外华人对祖籍国、祖籍地的文化认同,以及侨乡与海外华人间构建起的各种资源网络。侨乡人与海外华人在祖籍地发展中获得共赢,是发挥侨乡优势的必要条件。