Learning Neuroscience with Technology: a Scaffolded,Active Learning Approach

Mobile applications (apps) for learning technical scientific content are becoming increasingly popular in educational settings. Neuroscience is often considered complex and challenging for most students to understand conceptually. iNeuron is a recently developed iOS app that teaches basic neuroscience in the context of a series of scaffolded challenges to create neural circuits and increase understanding of nervous system structure and function. In this study, four different ways to implement the app within a classroom setting were explored. The goal of the study was to determine the app’s effectiveness under conditions closely approximating real-world use and to evaluate whether collaborative play and student-driven navigational features contributed to its effectiveness. Students used the app either individually or in small groups and used a version with either a fixed or variable learning sequence. Student performance on a pre- and post-neuroscience content assessment was analyzed and compared between students who used the app and a control group receiving standard instruction, and logged app data were analyzed. Significantly, greater learning gains were found for all students who used the app compared to control. All four implementation modes were effective in producing student learning gains relative to controls, but did not differ in their effectiveness to one another. In addition, students demonstrated transfer of information learned in one context to another within the app. These results suggest that teacher-led neuroscience instruction can be effectively supported by a scaffolded, technology-based curriculum which can be implemented in multiple ways to enhance student learning.     

Dynamic modeling and direct power control of wind turbine driven DFIG under unbalanced network voltage conditions

This paper proposes an analysis and a direct power control （DPC） design of a wind turbine driven doubly-fed induction generator （DFIG） under unbalanced network voltage conditions. A DFIG model described in the positive and negative synchronous reference frames is presented. Variations of the stator output active and reactive powers are fully deduced in the presence of negative sequence supply voltage and rotor flux. An enhanced DPC scheme is proposed to eliminate stator active power oscillation during network unbalance. The proposed control scheme removes rotor current regulators and the decomposition processing of positive and negative sequence rotor currents. Simulation results using PSCAD/EMTDC are presented on a 2-MW DFIG wind power generation system to validate the feasibility of the proposed control scheme under balanced and unbalanced network conditions.     

论武术教学中的反馈联系

在武术教学中,教师利用武术教学时,所掌握的信息（即刻反馈信息和滞后反馈信息）,对武术教学进行信息处理。通过学生学习武术动作时的同步反馈信息,在武术课教学中即刻进行反馈信息的处理,帮助学生学习提高武术动作和套路动作技能;再利用学生学习武术后的滞后反馈信息进行统计分析,来修订武术学科教学计划和武术学科课时计划。更好地完善武术学科的教学。     

船舶自动跟踪航行系统与驾驶自动化的探讨

对日本的船舶自动跟踪航行系统的原理、系统的组成及工作过程进行了介绍,阐明了自动跟踪航行系统在航海中应用的意义,并结合笔者在航海实践中的体会,提出利用计算机程序控制将自动跟踪航行系统与自适应连接在一起,形成一套船舶自动驾驶的设想,以达到除紧急避让局面外,海上航行全部实现自动驾驶的目的。     

对研究生发表高水平论文的几点思考

从论文研究的切入点和新颖性、重基础研究、发表论文技巧、英文写作质量的细节和坚持一个相对稳定的研究方向五个方面,对如何发表高水平学术论文特别是国际上认同的SC I论文进行了探索。     

基于SWOT分析方法下的学生创新力培养路径思考——以成都大学美术学院学生工作为视角

创新力是高素质人才培养的重要问题,同时也是关系到学生实现＂高素质＂与＂应用型＂可转化的关键环节。借助SWOT的方法对当前高校学生创新力培养现状建设进行深入分析,提出建立＂145＂体系,具体为,一个过程：以创新力培养过程为导向,准确定位,找准学生创新力培养着力点;四项重点：目标定位、平台建设、过程控制、制度保障,营造创新力培养和谐环境;五对关系：正确处理好专业教育与通识教育、竞争与合作、教学与项目、个体与团队、就业与创业的关系,以利于学生创新力的培养。     

提高动物疫病防控实效保障我区现代化畜牧业健康发展

本文阐述了提高我区动物疫病防控实效的必要性，介绍了我区动物疫病防控工作现状，并就如何提高动物疫病防控实效，保障我区现代化畜牧业健康发展，针对性地提出了一些具有建设性的思路和办法。     

A comparison of students’ reflective thinking across different years in a problem-based learning environment

Problem-based learning (PBL) is a constructivist approach to learning which is believed to promote reflective thinking in students. This study investigated how students in one particular institution developed in their reflective thinking habits—Habitual Action, Understanding, Reflection, and Critical Reflection—as they went through the daily practice of PBL. A 16-item questionnaire measuring the four levels of reflective thinking habits was administered to four cohorts of students: an incoming cohort, first-years, second-years, and third-years. First-year students rated themselves higher on Reflection and Critical Reflection, while third-years reported the highest levels of Habitual Action. Discriminatory and scatterplot analysis on the third year cohort revealed that while a proportion of students (47%) reported higher levels of Habitual Action with lower levels of Reflection, there was a small subgroup who also reported higher levels of both Habitual Action and Reflection. Overall, the results showed that PBL does promote the development of reflective thinking, particularly for first-year students, but that this development is not sustained consistently after that. This pointed to other possible factors that could hinder students’ development of reflective thinking in PBL.     

高职院校旅游管理专业酒店实习中出现的问题及对策探讨

高职院校旅游管理专业为完成应用型人才培养目标一般会安排学生到酒店实习,然而实习过程中的许多问题会影响实习目标的实现。对实习过程中存在的一些问题进行分析和探讨,并提出相应的对策。     

维生素C催化酯化合成草酸二丁酯

用维生素C作催化剂,环己烷作带水剂,以草酸与正丁醇为原料合成了草酸二丁酯;考察了醇酸摩尔比、催化剂用量、带水剂用量、反应时间对草酸二丁酯收率的影响。结果表明,维生素C有着良好的催化活性,在草酸用量0.1 mol,醇酸摩尔比3.5∶1、催化剂用量为反应物总质量3.0%、环己烷用量32mL条件下回流反应40 min,草酸二丁酯收率可达94.8%。