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《秀拉》中原初情景探析
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作者 林绪肃 《咸宁学院学报》 2007年第4期89-91,共3页
莫里森的《秀拉》描写同名主人公的成长经历,探讨了种族歧视和黑人女性的自我成长。本文试图用弗洛伊德的原初情景理论来诠释主人翁在种族歧视下自我的觉醒和发展。
关键词 《秀拉》 原初情景 重忆
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Long memory of price-volume correlation in metal futures market based on fractal features 被引量:3
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作者 程慧 黄健柏 +1 位作者 郭尧琦 朱学红 《Transactions of Nonferrous Metals Society of China》 SCIE EI CAS CSCD 2013年第10期3145-3152,共8页
An empirical test on long memory between price and trading volume of China metals futures market was given with MF-DCCA method. The empirical results show that long memory feature with a certain period exists in price... An empirical test on long memory between price and trading volume of China metals futures market was given with MF-DCCA method. The empirical results show that long memory feature with a certain period exists in price-volume correlation and a fittther proof was given by analyzing the source of multifractal feature. The empirical results suggest that it is of important practical significance to bring the fractal market theory and other nonlinear theory into the analysis and explanation of the behavior in metal futures market. 展开更多
关键词 metal futures price-volume correlation long memory MF-DCCA method MULTIFRACTAL fractal features multifractalspectrum
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An Incremental Time-delay Neural Network for Dynamical Recurrent Associative Memory
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作者 刘娟 Cai Zixing 《High Technology Letters》 EI CAS 2002年第1期72-75,共4页
An incremental time-delay neural network based on synapse growth, which is suitable for dynamic control and learning of autonomous robots, is proposed to improve the learning and retrieving performance of dynamical re... An incremental time-delay neural network based on synapse growth, which is suitable for dynamic control and learning of autonomous robots, is proposed to improve the learning and retrieving performance of dynamical recurrent associative memory architecture. The model allows steady and continuous establishment of associative memory for spatio-temporal regularities and time series in discrete sequence of inputs. The inserted hidden units can be taken as the long-term memories that expand the capacity of network and sometimes may fade away under certain condition. Preliminary experiment has shown that this incremental network may be a promising approach to endow autonomous robots with the ability of adapting to new data without destroying the learned patterns. The system also benefits from its potential chaos character for emergence. 展开更多
关键词 Time-delay recurrent neural network Spatio-temporal associative memory Pattern sequences learning Lifelong ontogenetic evolution Autonomous robots
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Ischemic or toxic injury: A challenging diagnosis and treatment of drug-induced stenosis of the sigmoid colon 被引量:2
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作者 Zong-Ming Zhang Xiang-Chun Lin +25 位作者 Li Ma An-Qin Jin Fang-Cai Lin Zhuo Liu Li-Min Liu Chong Zhang Na Zhang Li-Juan Huo Xue-Liang Jiang Feng Kang Hong-Jun Qin Qiu-Yang Li Hong-Wei Yu Hai Deng Ming-Wen Zhu Zi-Xu Liu Bai-Jiang Wan Hai-Yan Yang Jia-Hong Liao Xu Luo You-Wei Li Wen-Ping Wei Meng-Meng Song Yue Zhao Xue-Ying Shi Zhao-Hui Lu 《World Journal of Gastroenterology》 SCIE CAS 2017年第21期3934-3944,共11页
A 48-year-old woman was admitted with 15-mo history of abdominal pain, diarrhea and hematochezia, and 5-mo history of defecation difficulty. She had been successively admitted to nine hospitals, with an initial diagno... A 48-year-old woman was admitted with 15-mo history of abdominal pain, diarrhea and hematochezia, and 5-mo history of defecation difficulty. She had been successively admitted to nine hospitals, with an initial diagnosis of inflammatory bowel disease with stenotic sigmoid colon. Findings from computed tomography virtual colonoscopy, radiography with meglumine diatrizoate, endoscopic balloon dilatation, metallic stent implantation and later overall colonoscopy, coupled with the newfound knowledge of compound Qingdai pill-taking, led to a subsequent diagnosis of ischemic or toxic bowel disease with sigmoid colon stenosis. The patient was successfully treated by laparoscopic sigmoid colectomy, and postoperative pathological examination revealed ischemic or toxic injury of the sigmoid colon, providing a final diagnosis of druginduced sigmoid colon stenosis. This case highlights that adequate awareness of drug-induced colon stenosis has a decisive role in avoiding misdiagnosis and mistreatment. The diagnostic and therapeutic experiences learnt from this case suggest that endoscopic balloon expansion and colonic metallic stent implantation as bridge treatments were demonstrated as crucial for the differential diagnosis of benign colonic stenosis. Skillful surgical technique and appropriate perioperative management helped to ensure the safety of our patient in subsequent surgery after long-term use of glucocorticoids. 展开更多
关键词 Benign colonic stenosis Compound Qingdai pill Self-expandable memory metallic stent
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托尼·莫里森文学视野中的黑人母性书写 被引量:1
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作者 王蕾 《妇女研究论丛》 CSSCI 北大核心 2017年第2期104-111,共8页
莫里森的作品记录了奴隶制度带给整个黑人群体特别是女性的身体和心灵的双重暴力创伤。本文从心理创伤理论和莫里森的"重忆"概念的角度,探讨黑人母性在创伤代际传递中的作用以及通过激发黑人群体"重忆",保护与指引... 莫里森的作品记录了奴隶制度带给整个黑人群体特别是女性的身体和心灵的双重暴力创伤。本文从心理创伤理论和莫里森的"重忆"概念的角度,探讨黑人母性在创伤代际传递中的作用以及通过激发黑人群体"重忆",保护与指引他们通过触摸文化根脉修正创伤性的过去,重新达到心灵的完整与平衡。 展开更多
关键词 黑人母性 奴隶制度 创伤 重忆 莫里森
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The Effects of Recasts and Working Memory on the Development of Implicit and Explicit Knowledge 被引量:1
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作者 Jieun AHN Youngkyu KIM 《Chinese Journal of Applied Linguistics》 2016年第1期3-25,132,共24页
This paper aims to investigate the effects of recasts and working memory on the acquisition of Korean morphological causatives by advanced Chinese learners of Korean. Participants were randomly assigned to two groups... This paper aims to investigate the effects of recasts and working memory on the acquisition of Korean morphological causatives by advanced Chinese learners of Korean. Participants were randomly assigned to two groups: A experimental group and a control group. The experimental group received intensive recasts during task-based interaction, whereas the control group did not. The effects of recasts were measured by two types of tests: An elicited imitation test, as a measure of implicit knowledge, and an untimed grammaticality judgment test, as a measure of explicit knowledge. The findings are as follows. First, from the pretest to the delayed posttest, recasts facilitated the learners' acquisition of causative construction by developing both their implicit and explicit knowledge. Second, the results of delayed posttests showed that recasts were more effective in aiding the development of implicit knowledge than explicit knowledge. Third, working memory was found to be a significant covariate in the facilitative effects of recasts on explicit knowledge; that is, it mediated the development of explicit knowledge via recasts as a significant individual difference factor. The effects of recasts were maintained even when the impact of working memory was controlled. (189 words) 展开更多
关键词 corrective feedback RECASTS working memory implicit knowledge explicit knowledge Korean as a second language Chinese learners of Korean
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The effect of pre-existing memory representations on repetitionrelated N250r and N400
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作者 Aiqing Nie Jingheng Ye Minye Li 《Science Bulletin》 SCIE EI CAS CSCD 2016年第4期265-275,共11页
Studies of repetition priming have found two face-sensitive event-related potential(ERP) components:the N250 r showing positive deflection at frontal region and negative deflection at temporal region, and the N400 sho... Studies of repetition priming have found two face-sensitive event-related potential(ERP) components:the N250 r showing positive deflection at frontal region and negative deflection at temporal region, and the N400 showing positive deflection at frontal and centro-parietal regions, both of which depend in part upon the presence or absence of a pre-existing face representation. However, the N250 r is rarely reported for a repetition interval between immediate repetition and 3 min; in addition, whether different types of representations function in the same way is also of interest. The goal of the present experiment is to compare the ERP patterns for faces versus letter strings as a function of the pre-existing memory representation with a repetition interval of 1.5 min on average. We found reliable frontally positive N250 r and N400 for famous faces and words; marginally significant effects for pseudo-words;and only the centro-parietal N400 for unfamiliar faces.Collectively, the N250 r persists in the present intermediate intervals, and both the frontal N250 r and the frontal N400 are domain-general, sensitive to the pre-existing memory representation. 展开更多
关键词 Repetition priming - Pre-existingmemory representation - Face - Letter string - N250rN400
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