心理语言学视角下的“翻译法”学习策略     

殷琪 《昆明师范高等专科学校学报》2013,(4):109-111,129

大多数教师都主张学习者在学习外语时要忘掉母语,可现实是“翻译法”学习策略屡禁不止。心理语言学研究表明,在学习第二语言时把学生大脑中的母语系统关闭掉是不可能的。Paradis等人的双语或多语语言处理模式则揭示出：第二语言子系统的生成依赖于母语系统,它与母语系统互相之间是动态发展、变化和影响的关系。这提示教师要正确认识“翻译法”学习策略的必然性及合理性,允许学生合理借助它帮助自己习得第二语言。  相似文献   

运用速度推进导数的教学     

耿锁华 《通化师范学院学报》2013,(4):55-56

在高等数学的教学中,运用我们熟悉的运动速度推进函数导数、L’Hospital法则以及泰勒公式的学习和理解,指出许多抽象的数学公式本就在我们的日常生活之中.  相似文献   

脱硫石膏的施用量对盐碱地葵花生长的影响   总被引：3，自引：0，他引：3  

邢秀芹  张为华  于静娟 《鞍山师范学院学报》2013,(2):58-61

采用拉丁方田间试验设计,测定脱硫石膏在不同施用量条件下对盐碱地的改良效果.结果表明:施用脱硫石膏显著提高了土壤有机质和养分含量,一定程度上降低了土壤碱化度、pH值和全盐含量,提高了葵花出苗率、千粒重和产量.根据脱硫石膏施用量与葵花出苗率、产量的模拟曲线关系,测得利用脱硫石膏改良盐碱化土壤的最佳施用量为28.0 t/hm2左右.  相似文献   

漏芦挥发油成分分析     

高玉国  许尧舜 《鞍山师范学院学报》2013,(2):38-40

通过对漏芦挥发油中化学成分分析比较研究,为漏芦的开发利用提供依据.采用同时蒸馏-萃取法提取漏芦中的挥发油,并以气相色谱-质谱联用法(GC-MS)对挥发油中的化合物进行分析鉴定.共鉴定出30个化合物,占其化学成分总含量的80.57%.漏芦挥发油中主要化学成分为萜类化合物.  相似文献   

Human capital and innovation: the importance of the optimal organizational task structure     

Tiago Fonseca  Pedro de Faria  Francisco Lima 《Research Policy》2019,48(3):616-627

Management literature has identified high-skilled human capital as a crucial dimension of innovation processes at the firm level. In this study, we introduce an alternative view of human capital based on the tasks that firms’ workers perform. We propose a measure of cognitive analytical and interpersonal tasks: the degree of abstractism. We argue that the level of abstractism of a firm has an effect on a firm's propensity to innovate and on its product innovation performance. We hypothesize that while the degree of abstractism has a linear positive relationship with the propensity to innovate, the relationship between abstractism and product innovation performance follows an inverted u-shaped relationship. We find partial support to our hypotheses using data from more than six thousand Portuguese firms. We discuss how these results change our understanding of the relationship between human capital and innovation at the firm level.  相似文献   

Institutional complementarities: The origins of experimentation in China’s plug-in electric vehicle industry     

John P. Helveston  Yanmin Wang  Valerie J. Karplus  Erica R.H. Fuchs 《Research Policy》2019,48(1):206-222

A vast literature on technology transitions within industries suggests that early phases of new technologies are marked by periods of intense experimentation, but we know little about the conditions under which these periods emerge. We apply inductive, grounded theory-building techniques to examine what prompts firms to experiment across one emerging technology platform—plug-in electric vehicles (PEVs)—in China. Triangulating annual vehicle make and model sales data from 2003 to 2016 (plus monthly data from 2010 to 2016); 112 English and Mandarin archival documents from industry, academic, and news outlets; and 51 semi-structured interviews with industry, government, and academic stakeholders, we develop four in-depth case studies. We find that in contrast to the innovation trajectories of multinational and Chinese arms of joint venture (JV) firms, independent domestic Chinese firms (those with no history of international JV partnerships) are undertaking significant experimentation across multiple levels—infrastructure, core system, subsystem, and component—of the emerging PEV technology platform. We propose the concept of “institutional complementarities” to describe how interactions among institutions—here the national JV regulation and local market support and subsidies—may have turned regional markets into protected laboratories, extending the incubation periods for independent domestic firm experimentation. While this diverse experimentation may be an important antecedent of technology transition, consolidation induced by national policy standardization or competitive pressure may be required for PEV innovations to scale beyond their early, protected regional markets.  相似文献   

Attracting solutions in crowdsourcing contests: The role of knowledge distance,identity disclosure,and seeker status     

Patrick Pollok  Dirk Lüttgens  Frank T. Piller 《Research Policy》2019,48(1):98-114

We investigate in the context of crowdsourcing how seekers can increase open innovation performance, measured as received solver attention, by making two strategic decisions: selecting innovation tasks that are well suited for crowdsourcing and choosing between the potentials of status signalling through identity disclosure versus enjoying the benefits of anonymity. Drawing on uncertainty reduction theory, we suggest that a well-articulated problem statement reduces uncertainties of potential solvers and increases their willingness to participate. We argue that the ability of seekers to draft high-quality problem statements depends on the distance between the problem domain and their current knowledge stock. An analysis of 637 crowdsourcing projects finds that problem-seeker knowledge distance and received solver attention are curvilinear related such that moderate levels of knowledge distance maximize solver participation. However, high-status seekers who engage in identity-based status signalling are able to benefit from crowdsourcing across all levels of problem-seeker knowledge distance.  相似文献   

Evaluating solutions to the problem of false positives     

Thomas Gall  Zacharias Maniadis 《Research Policy》2019,48(2):506-515

A current challenge for the scientific community is the choice of appropriate policies to reduce the rate of false positives. Existing proposals differ in whether to prioritize tackling omission through transparency requirements, punishing more severe transgressions, or possibly both. We use a formal model to evaluate these possible solutions. We find that a policy that prohibitively increases the cost of ‘misdemeanor’ types of questionable research practices robustly decreases the overall rate of researcher misconduct, because the rate of ‘felonies’, such as fabrication, also decreases. Therefore proposals that aim to prevent lying by omission by enforcing reporting guidelines are likely to be effective in reducing researcher misconduct, but measures such as government audits (purported to counteract pure fraud) can backfire. Moreover, we find that an increase in the rewards of publication need not increase overall misconduct.  相似文献   

舍尔的言语行为理论综合评述     

庞学通 《巢湖学院学报》2007,9(4):71-74

本文尝试对舍尔的言语行为理论进行评述,指出其产生的哲学背景、局限性及其对外语教学和翻译的启示作用。  相似文献   

100 g/L虫螨腈悬浮剂防治甘蓝小菜蛾田间药效试验   总被引：2，自引：0，他引：2  

杨冬梅  徐蕾  丁晓霞  王燕 《杨凌职业技术学院学报》2008,7(4)

通过不同浓度的虫螨腈悬浮剂、50％丁醚脲悬浮剂和4．5％高效氯氰菊酯对甘蓝小菜蛾的药效试验,结果得出：在小菜蛾幼虫2～3龄前,使用100g／L虫螨腈悬浮剂30-50ml／667m^2效果最佳且无药害现象。  相似文献