雅克拉凝析气田 YK15井修井过程中的启示     

张磊  孙柏林  刘文杰  李林 《茂名学院学报》2015,(3):12-15

YK15井是雅克拉凝析气田主构造带上的一口重要生产井,该井在雅克拉集气处理站检修期间发生异常,需要进行修井作业。在施工过程中,该井遇到的复杂情况较多,如落鱼深、井内落物多且十分复杂等情况。YK15井落鱼的成功打捞,为井下事故的处理积累了宝贵经验,为今后雅克拉片区同类修井作业提供了参考。  相似文献   

Examining the implementation of technology-based blended algebra I curriculum at scale     

Rita Karam  John F. Pane  Beth Ann Griffin  Abby Robyn  Andrea Phillips  Lindsay Daugherty 《Educational technology research and development : ETR & D》2017,65(2):399-425

Studies on blended education pay little attention to implementation, thus limiting the understanding of how such programs contribute to student math learning. This article examines the implementation of a widely used blended algebra curriculum and the relationship between implementation and student outcomes. The study was conducted in 74 middle schools and 73 high schools in 51 school districts located in seven states. The study included both treatment and control schools. The blended-curriculum combines inquiry-based teaching and learning with technology (math software). The study found that teachers implemented the blended curriculum with low fidelity. Teachers had most difficulty allocating the recommended amount of time for the math lab and content. The study also found that the blended-curriculum teachers in the second year reverted to more traditional approach to instruction and spent less time on inquiry based instruction than in the first year, although they continued to use this approach at a higher level than teachers in the control schools. The study findings suggest that teacher adjustment of instruction in the second year, specifically balancing the amount of traditional instruction with inquiry instruction, in combination to the use of the math software contributed to the performance of the program.  相似文献   

Editors'' rejoinder     

William K. Cummings  Abby Riddell 《International Journal of Educational Research》1994,21(8)

This chapter critically reviews alternative funding and control strategies and examines some of their policy implications. The early sections of the chapter address the nature and origin of some proposals for alternative strategies and reflect on their theoretical underpinnings. The next section summarizes the empirical findings from both historical and other comparative studies. The final section presents the policy implications of the different patterns of educational funding and control in a variety of contexts.  相似文献   

Panel discussion   总被引：4，自引：0，他引：4  

Janet Clark  Ed Barbeau  Joseph Agassi  David Perkins  Sharon Bailin 《Interchange》1985,16(1):104-118

The question “Is Creativity a Plausible Educational Goal?” is central to any discussion of creativity from an educational vantage point. In the period from the 1960s until now, it has been more or less taken for granted that creativity is a realistic goal of education. However, there is a variety of issues which this presupposition can cause to arise. One is the issue of the early identification of “creative” individuals independent of their ever creating anything. Another is the question of fostering creativity as opposed to the fostering of actual creation. The strategies range from the early identification of the creative and “leaving them alone” to the refusal to make the identification and the fostering of creativity in Everyman. Others deny that there is any way of either identifying creativity or of fostering it. Virtually all these positions are represented in the following panel discussion.  相似文献   

利用医学文献检索提高编辑工作质量   总被引：1，自引：0，他引：1  

郭青  张柏林  李小萍 《编辑学报》2007,19(2):106-107

对各种信息的感知、获取、处理及利用,已成为期刊编辑工作中不可缺少的重要部分。医学文献检索在医学期刊编辑工作中尤为重要,对于保证所刊发的论文的新颖性、真实性及准确性将起到非常重要的作用,对于提高医学期刊的整体质量具有积极的意义。  相似文献   

致仔猪水肿病大肠杆菌的分离鉴定及耐药性分析     

李求知  杭柏林  王青  胡建和 《河南职业技术师范学院学报》2011,(2):61-65

从疑似仔猪水肿病病料中通过细菌分离、生理生化试验、动物试验和PCR试验,分离到了10株致仔猪水肿病的大肠杆菌.利用药物敏感性试验,对分离的10株大肠杆菌进行了耐药性检测,结果表明：10株大肠杆菌对2种抗生素都耐药,且许多菌株有多重耐药现象.  相似文献   

Reappraising the Design Methods of Medieval Architecture     

Abby McGehee 《Metascience》2009,18(3):455-458

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LEARNING RESOURCES     

Reviewed by Abby M. Smith 《Educational gerontology》2013,39(8):791-794

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Knowledge-Enhanced Latent Semantic Indexing     

David Guo  Michael W. Berry  Bryan B. Thompson  Sidney Bailin 《Information Retrieval》2003,6(2):225-250

Latent Semantic Indexing (LSI) is a popular information retrieval model for concept-based searching. As with many vector space IR models, LSI requires an existing term-document association structure such as a term-by-document matrix. The term-by-document matrix, constructed during document parsing, can only capture weighted vocabulary occurrence patterns in the documents. However, for many knowledge domains there are pre-existing semantic structures that could be used to organize and categorize information. The goals of this study are (i) to demonstrate how such semantic structures can be automatically incorporated into the LSI vector space model, and (ii) to measure the effect of these structures on query matching performance. The new approach, referred to as Knowledge-Enhanced LSI, is applied to documents in the OHSUMED medical abstracts collection using the semantic structures provided by the UMLS Semantic Network and MeSH. Results based on precision-recall data (11-point average precision values) indicate that a MeSH-enhanced search index is capable of delivering noticeable incremental performance gain (as much as 35%) over the original LSI for modest constraints on precision. This performance gain is achieved by replacing the original query with the MeSH heading extracted from the query text via regular expression matches.  相似文献   

Creativity,discovery, and science education: Kuhn and Feyerabend revisited     

Sharon Bailin 《Interchange》1990,21(3):34-44

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