凝固型大米风味酸奶的研制

用大米蛋白或大米蛋白水解物部分替代牛乳粉生产大米风味酸奶,以谷糠乳杆菌和乳酸乳球菌乳酸亚种为发酵菌种,以酸度和感官为评价指标,通过大米蛋白及其水解物添加量、大米蛋白水解度、乳糖补加及蔗糖添加研究对大米风味酸奶酸度和感官的影响。结果表明,大米风味酸奶的酸度和感官评分随大米蛋白添加量的增加而降低。产品酸度随大米蛋白水解度增加而增大,大米蛋白水解度为7.5%时感官得分最高;产品酸度和感官评分随大米水解物添加量增加而降低,大米蛋白水解物添加量在40%以下时,均可生产出合格的大米风味酸奶。补加乳糖对产品酸度和感官无显著影响。添加蔗糖对产品酸度无显著影响,但对产品感官影响显著,蔗糖添加量在4~6%时,大米风味酸奶的感官得分最高,表现为色泽均匀,质地较细腻,未见乳清析出,凝乳稳定,口感较细腻柔滑,酸甜度适中,米香风味浓郁。     

在礼教与世俗间徘徊的市民代言人——由明代士人隐居方式的变化来看近代审美文化发展的趋势

晚明士人隐居于市井时与市民大量接触,使士人能够体察市民的内心情感,不自觉地成为其代言人,从而开始亲近市民文化,自觉不自觉地受市民风情影响,创作出符合市民口味的文学作品。但因他们长期受封建儒家正统文化的影响,所以其行为与其作品中的形象通常又是矛盾的。     

简论壮族五大文化遗产

南方稻作民族人文始祖洛甲及布洛陀、洪水育人神话盘古兄妹、左江花山崖壁画、歌圩的女儿、歌仙刘三姐、全国篇幅最长的民间抒情长诗《嘹歌》,及壮族原生态民歌,是广西壮族五大文化遗产。文化遗产是建设先进文化的民族根基,抢救文化遗产与建设首府先进文化密切相关。     

理性与非理性之辨：网络集群行为的产生及其演变

以南京大学小百合BBS使用者对"汉口路西延工程"的参与讨论为个案,通过对参与者的问卷调查分析及网上讨论的跟踪观察,发现发生在网络中的集群行为在初期存在着非理性的表现,并占据着讨论的主流,而理性观点则被淹没在讨论声中.但随着事件的发展及讨论的深入,客观、理性的声音逐步增强,并与非理性开始了交锋,影响着参与者的表达.在交锋中理性逐步占据主流,并最终实现了回归,引导着参与者做深入的思考.文章最后提出时这种理性的回归的思考:这种回归是否是真正意义上的回归,一个与此事件相关的事件的出现是否会再次引起讨论的高潮,又将会向什么方向演变.     

社会转型期农村居民集体观和个人观的社会学分析——对6省市2012人调查结果的阐释

通过对6省(市)农村居民进行的问卷调查结果的分析,认为在当前社会转型期,我国农村居民的集体观念比较强,体现了传统的价值观念和行为方式在农村居民身上的延续;同时,农村居民的个人观念有明显的增强的趋势,反映了现代社会因素对传统观念的冲击。因此,重新解读集体和个人的关系显得格外重要。     

Linear scalar-on-surface random effects regression models

Many research fields increasingly involve analyzing data of a complex structure. Models investigating the dependence of a response on a predictor have moved beyond the ordinary scalar-on-vector regression. We propose a regression model for a scalar response and a surface (or a bivariate function) predictor. The predictor has a random component and the regression model falls in the framework of linear random effects models. We estimate the model parameters via maximizing the log-likelihood with the ECME (Expectation/Conditional Maximization Either) algorithm. We use the approach to analyze a data set where the response is the neuroticism score and the predictor is the resting-state brain function image. In the simulations we tried, the approach has better performance than two other approaches, a functional principal component regression approach and a smooth scalar-on-image regression approach.     

A Factor-Adjusted Multiple Testing Procedure With Application to Mutual Fund Selection

In this article, we propose a factor-adjusted multiple testing (FAT) procedure based on factor-adjusted p-values in a linear factor model involving some observable and unobservable factors, for the purpose of selecting skilled funds in empirical finance. The factor-adjusted p-values were obtained after extracting the latent common factors by the principal component method. Under some mild conditions, the false discovery proportion can be consistently estimated even if the idiosyncratic errors are allowed to be weakly correlated across units. Furthermore, by appropriately setting a sequence of threshold values approaching zero, the proposed FAT procedure enjoys model selection consistency. Extensive simulation studies and a real data analysis for selecting skilled funds in the U.S. financial market are presented to illustrate the practical utility of the proposed method. Supplementary materials for this article are available online.     

The laws of large numbers for Pareto-type random variables with infinite means

In this paper, we consider the laws of large numbers for NSD random variables satisfying Pareto-type distributions with infinite means. Based on the Pareto-Zipf distributions, some weak laws of large numbers for weighted sums of NSD random variables are obtained. Meanwhile, we show that a weak law for Pareto-Zipf distributions cannot be extended to a strong law. Furthermore, based on the two tailed Pareto distribution, a strong law of large numbers for weighed NSD random variables is presented. Our results extend the corresponding earlier ones.     

Policies for Recruiting Talented Professionals from the Diaspora: India and China Compared

Despite the continuous asymmetrical power relations between the Global North and South, the “global race for talent” is no longer a privilege enjoyed only by developed countries. Comparative analysis of policy content and effectiveness has attracted increasing interest. The examination of policy initiatives resulting in return migration of highly‐skilled migrants from the Global North to the Global South, however, remains inadequate. In this article, we provide a comparative analysis of policies targeting high‐level Chinese and Indian professionals including full‐time returnees. Two key differences in policy instruments and outcomes in the two countries are identified and they have implications for migration policies in other countries in the Global South and North.     

REAL EXCHANGE RATE,MONETARY POLICY,AND THE U.S. ECONOMY: EVIDENCE FROM A FAVAR MODEL

This paper examines the effects of exchange rate depreciation to the U.S. economy in a factor‐augmented vector autoregression model using monthly data of 148 variables for the post–Bretton Woods period of 1973–2017. Exchange rate shock is identified to reflect exogenous disturbances to the foreign exchange market, and movements in exchange rate that are not accounted for by changes in the U.S. monetary policy. We find that depreciation is expansionary and inflationary to the broad U.S. economy, the current account improves over time conforming to the J‐curve theory, and monetary policy is leaning against the wind. (JEL E3, E5, F31, F32, F41)