信息交换中的DMA技术

DMA技术广泛应用于外围设备与内存成批信息交换的控制过程中，它的优势是在数据传送过程中不需CPU的参与，实现了CPU处理任务和内存数据交换的并行进行，提高了计算机的整体性能，本文从DMA技术的硬件构成角度，深入介绍了DMAC的硬件逻辑组成和DMA数据传送的流程。     

明星广告的信号价值分析

随着普通广告信号大量出现,其信号价值在下降,明星广告作为更有信号价值的新的手段。明星的稀缺性导致明星广告的稀缺性决定了明星广告的信号是有效的。明星广告的作用原理通过“选择性记忆”心理机制、“心智阶梯”原理来理解。明星广告的信号有效性也会受到噪音干扰。     

记忆策略在高职学生英语学习中的运用

调查显示,高职学生在英语学习中记忆策略使用频率不高。根据信息加工理论,高职学生要积极采用联想记忆、复习巩固记忆、精加工记忆和重复记忆的记忆策略,鼓励学生通过“活用”和“交际”的方式来学习和深化语言知识,促使语言知识向语言技能转换,语言技能向语言能力转换。     

铁凝:直面人性的探寻

铁凝在作品中将直面人生、审视人性作为创作的主题 ,具体表现为五个方面 :对于情绪记忆的自审与忏悔 ;逃遁窥视、渴望交流的期待 ;自足与他足的抉择 ;角色意识与反角色意识的束缚与解脱 ;失语小人物的脆弱人性等 ,从而营构了其独特的小说世界。     

平行语料库检索软件SDAU-ParaConc设计与实现

当代语言研究离不开语料库,对语料库的检索需要计算机软件支持,但平行语料库检索软件数量极少,且存在不符合中国国情的情况。因此,有必要开发一款符合中国国情、适应大数据检索需求、减少语言研究中重复劳动的平行语料库检索软件。在考察现有4款平行语料库检索软件,对比分析它们各自的优势及不足后,结合中国国情及语言研究实践经验,提出了新的平行语料库检索软件SDAU-ParaConc设计理念。介绍了SDAU-ParaConc的实现方式与特点。与之前的软件对比结果表明,SDAU-ParaConc操作步骤平均简化了60%,检索效率平均提升了9.5%。     

优化VB应用程序

针对VB应用程序,阐述在时间和空间上对应用程序进行优化来提高应用程序的运行速度.     

中西文化意象的联想意义及对比

语言所处的文化背景不同,就会带有与自己独特的文化背景有密切联系的联想意义。不同民族的文化意象之间既有共性又有个性,文中选取五种常见的文化意象,水、风、月、柳、草,通过对它们的联想意义的分析及对比,以达到对语言的意义的全面理解。     

Phonological Awareness Skills in Young Boys with Duchenne Muscular Dystrophy

Substantial research has detailed the reading deficits experienced by children with Duchenne muscular dystrophy (DMD). Although phonological awareness (PA) is vital in reading development, little is known about PA in the DMD population. This pilot study describes the PA abilities of a group of five young children with DMD, comparing the results with those of a group of children with spinal muscular atrophy and with those of a group of typically developing children. The Preschool and Primary Inventory of Phonological Awareness was used to assess the PA skills of the participants. Results indicated that the children with DMD performed significantly poorer than the typically developing group on tests of Syllable Segmentation, Rhyme Awareness, Alliteration Awareness and Phoneme Isolation and significantly poorer than the spinal muscular atrophy group on Rhyme Awareness. The findings of this pilot study indicate that children with DMD may have an increased risk of having PA difficulties, thus requiring early PA training.     

Disentangling the relationship between working memory and language: The roles of short-term storage and cognitive control

This study investigates the relationship between working memory and language in young children growing up in a multilingual environment. The aim is to explore whether mechanisms of short-term storage and cognitive control hold similar relations to emerging language skills and to investigate if potential links are mediated by related cognitive abilities. A sample of 119 Luxembourgish 6-year-olds completed several assessments of working memory (complex and simple span), native and foreign vocabulary, syntax, reading, rhyme awareness, and fluid intelligence. Results showed that short-term storage and cognitive control manifested differential links with developing language abilities: Whereas verbal short-term storage was specifically linked to vocabulary; cognitive control manifested unique and robust links with syntax and early reading development. The study suggests that in young children the working memory system is composed of separate but interacting components corresponding to short-term storage and cognitive control that can be distinguished by the roles they play in supporting language acquisition.     

Rotenone induces more serious learning and memory impairment than α-synuclein A30P does in Drosophila

Parkinson’s disease (PD) is a heterogenous disease caused by multifactorial etiology. PD is characterized by the loss of dopaminergic (DA) neurons in the substantia nigra and the accumulation of Lewy bodies. In this study, two Drosophila PD models by exposing Drosophila to rotenone (sporadic PD models) are proposed, and the human α-synuclein A30P protein (family PD models) in Drosophila is expressed respectively. Both models recapitulated the main human PD symptoms including the loss of dopaminergic neurons...