A New Parameter Estimation Algorithm of Multivariable Time Series Model

ＡＮｅｗＰａｒａｍｅｔｅｒＥｓｔｉｍａｔｉｏｎＡｌｇｏｒｉｔｈｍｏｆＭｕｌｔｉｖａｒｉａｂｌｅＴｉｍｅＳｅｒｉｅｓＭｏｄｅｌＺｅｎｇＰｅｎｇ（曾鹏）ＷａｎｇＳｈａｏｄｉ（王绍棣）（ＮａｎｊｉｎｇＵｎｉｖｅｒｓｉｔｙｏｆＰｏｓｔｓａｎｄＴｅｌｅｃｏｍｍ...     

大学英语“情景模拟”教学法探析

＂情景模拟＂教学有利于提高学生的英语表达能力和交际能力,有利于调动学生学习英语的积极性、主动性,但是运用情景模拟教学法需要教师和学生转变教学观念,认真设置有关情景,建立一定的评估机制和奖惩机制,并遵循一定的程序,按照模拟前的工作、模拟中的工作、模拟后的工作三个环节展开教学。     

校企合作模式是医药信息管理专业发展的重要途径

介绍了医药信息管理专业的现状,提出了校企合作模式是医药信息管理专业快速发展的重要途径.     

China English under the Circumstances of World English

With the spread of English,English becomes a world language.In the process of blending with various cultures of different countries,there are many varieties of English language. China English,as one of English varieties,conveys unique things to Chinese society in accordance with the way English native speakers use English,and plays a vital role in cross-cultural communication,translation and English teaching in China.     

A Study on the Application of the Pictographic Memorizing Method in Senior High School English Vocabulary Teaching

In this paper, upon the pictographic theory and the behaviorist theory, based on Xiang’s(2007) pictographic memorizing method, the author designs the corresponding procedure of the senior high school English vocabulary teaching. This research results show that, the application of the pictographic memorizing method in senior high school English vocabulary teaching is feasible and the teaching effect is relatively good.     

The Application of TBA in English Writing Teaching

The theory of Task-based Approach (TBA), an influential language teaching and learning theory, was put forward by lan?guage teaching scholars and the second language acquisition researchers based on lo...     

两指数分布并联系统可靠度的置信下限

复杂系统可靠度置信下限的寻求,一般说来,由于系统的构成非常复杂,现有的许多统计方法大多只能给出近似解．对于由两个寿命分别服从指数分布的部件构成的并联系统,本文利用样本空间排序法,给出了系统可靠度置信下限的精确解,并提出了行之有效的算法,部分结果还可推广到多个部件并联构成的系统     

不同练习手段组合对田径跳跃运动员专项力量训练效果的实验研究

选择八种常用手段,将三种双腿跳跃练习进行组合,另把五种单腿跳跃练习进行组合,对两组14名跳跃项目运动员进行8周的训练,获取了5项身体素质和BIODEX等速测力仪及KISTLER三维测力台的各项指标训练前后的测试数据.实验研究发现,不同的力量练习手段对人体作用是不一样的,轻负荷、重负荷、单腿练习、双腿练习对人体肌肉的影响有各自的特异性.因此,在力量训练中,选择正确而有效的手段和适宜的运动负荷与强度,把各种不同手段进行合理组合,才能求得最佳的综合整体效益.     

Bond strength improvement of GFRP rebars with different rib geometries

Based on the Canadian Standards Association (CSA) criteria,105 pullout specimens were tested to investigate the effect of different rib geometries on bond strength of glass fiber reinforced polymer (GFRP) rebars embedded in concrete. Two kinds of conventional reinforcing rebars were also studied for comparison. Each rebar was embedded in a 150 mm concrete cube,with the embedded length being four times the rebar diameter. The experimental parameters were the rebar type,rebar component,rebar diameter,rebar surface texture,rib height,rib spacing and rib width. Theoretical analysis was also carried out to explain the experimental phenomena and results. The experimental and theoretical results indicated that the bond strength of GFRP rebars was about 13%～35% lower than that of steel rebars. The bond strength and bond-slip behavior of the specially machined rebars varied with the rebar type,rebar diameter,rebar surface texture,rib height,rib spacing and rib width. Using the results,design recom-mendations were made concerning optimum rib geometries of GFRP ribbed rebars with superior bond-slip characteristics,which concluded that the optimal rib spacing of ribbed rebars is the same as the rebar diameter,and that the optimal rib height is 6% of the rebar diameter.     

Pre-service and In-service Secondary School Teachers’ Knowledge about Attention-deficit Hyperactivity Disorder (ADHD) and Attitudes toward Students with ADHD

This article reports on a mixed-method inquiry into pre-service and in-service secondary school teachers’ knowledge about Attention-deficit Hyperactivity Disorder (ADHD) and attitudes toward students with this disorder in Hong Kong. The inquiry revealed no differences between pre-service and in-service secondary school teachers concerning their knowledge of ADHD and attitudes toward students with ADHD. It also identified possible sources of participants’ knowledge and a variety of factors underlying their attitudes toward students with ADHD including sociocultural beliefs and working conditions. The findings call for teacher educators to develop better education programmes to support both pre-service and in-service teachers in undertaking the challenging task of teaching students with ADHD.