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Rachel Skrlac Lo 《Children‘s Literature in Education》2012,43(1):22-26
A personal reflection about Dr. Sipe as a teacher and a mentor. 相似文献
33.
In 2009, a reform in teachers’ pay, linking remuneration to performance, was implemented in China. The intention was to improve the quality of education by making teachers more diligent and creative and removing the inequality in pay between teachers in different schools. A review of this reform reveals that it has resolved the problem of inequality between teachers working in different schools but has created a new inequality: between teachers within the same schools. Also, the performance evaluation, based mostly on quantitative data such as student test scores, has led to teachers formalising their work and adopting an approach of “compliant professionalism”. Teachers’ workloads have increased, and only teachers who perform well on empirical performance indicators are given opportunities for professional development and remuneration. The findings suggest that a focus on teaching and on teachers’ autonomy is needed to achieve the goal of improving the quality of education. 相似文献
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The paradoxical profession: Teaching at the turn of the century 总被引:1,自引:0,他引:1
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国家基础教育课程改革已经推行4年了。在这期间,我们更新观念,积极探索,大胆实践,勇于创新,使课改朝着既定的目标前进,取得了良好的效果。 相似文献
36.
Reduction of water evaporation in polymerase chain reaction microfluidic devices based on oscillating-flow 总被引:1,自引:0,他引:1
Alessandro Polini Elisa Mele Anna Giovanna Sciancalepore Salvatore Girardo Adriana Biasco Andrea Camposeo Roberto Cingolani David A. Weitz Dario Pisignano 《Biomicrofluidics》2010,4(3)
Producing polymeric or hybrid microfluidic devices operating at high temperatures with reduced or no water evaporation is a challenge for many on-chip applications including polymerase chain reaction (PCR). We study sample evaporation in polymeric and hybrid devices, realized by glass microchannels for avoiding water diffusion toward the elastomer used for chip fabrication. The method dramatically reduces water evaporation in PCR devices that are found to exhibit optimal stability and effective operation under oscillating-flow. This approach maintains the flexibility, ease of fabrication, and low cost of disposable chips, and can be extended to other high-temperature microfluidic biochemical reactors. 相似文献
37.
罗英 《绵阳师范学院学报》1994,(Z2)
本文采用限制酶HinI、AluI分别处理西门塔尔牛的中期染色体18小时。AluI产生部分C带和部分G带;Hinf产生G带和部分C带。 相似文献
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教师专业化与教师应对教育改革的能力 总被引:1,自引:0,他引:1
本文论述的是中国教育改革发展变化过程中的教师专业化问题,所以提出这一问题的背景,是联合国教科文组织讨论了“全民教育”的各项活动和中国教育改革.当前教育改革的目的,在于提高个体和全民发展的能力.因此,教育质量成为人们日益关注的重要问题.教师的工作职能是要推动教育改革的各项措施得到实施.本文认为,“信息时代”的要求和“知识经济”的兴起,使人们对人才的特点有了新的理解,也证实了在教育儿童和青少年成为未来工作者和公民方面存在的不足.综观中国教育改革,它是一个被迫出现的过程,导致学校对教育改革的反应不灵敏.教师作为专业人员,应该支持改革,但是他们的效能还是存在一定的问题.本文进一步认为,中国教师当前面临的主要问题是不具备应对改革的能力.有关研究表明,教师工作的本质及其关注的问题与教育改革的预期大相径庭.这一问题即使通过行政命令、在职培训、或者投入更多的教育资源也难以解决.本文认为,进行全面改革的同时,要改革学生评价和选拔制度,从文化和社会层面上来思考教师职业,树立新的教师专业发展理念. 相似文献
40.
Antonio Dello Iacono Domenico Martone Alessandro Moura Zagatto Yoav Meckel Mahmood Sindiani Mirjana Milic 《Journal of sports sciences》2018,36(1):14-22
This study aimed to investigate the effect of contact (C-SSG) and no-contact (NC-SSG) handball small-sided games (SSGs) on motion patterns and physiological responses of elite handball players. Twelve male handball players performed 10 C-SSG and 10 NC-SSG while being monitored through the heart rate (HR) and rate of perceived exertion (RPE) as physiological responses and time-motion activities profile using video-match analysis. Both game conditions resulted in similar HR responses (P > 0.05), but the NC-SSG led to a higher RPE scores. The time-motion activity analysis featured NC-SSG with a greater amount of walking (855.6 ± 25.1 vs. 690.6 ± 35.2 m) and backward movements (187.5 ± 12.3 vs. 142.5 ± 8.7 m) combined with fast running (232.3 ± 8.5 vs. 159.7 ± 5.7 m) and sprinting (79.5 ± 4.7 vs. 39.7 ± 3.7 m) activities (P < 0.001). Conversely, C-SSG had a higher percentage of jogging and sideway movements associated with greater frequency of jumping (0.87 ± 0.09 vs. 0.31 ± 0.06 nr) and physical contact (1.82 ± 0.55 vs. 0.25 ± 0.03 nr) events (P < 0.001). No between-regimen differences were found for the number of throws (P = 0.745). In addition, the RPE was significantly correlated with fast running relative distances (r = 0.909, P < 0.001) and sprinting relative distances (r = 0.939, P < 0.001). In conclusion, this investigation showed that both C-SSG and NC-SSG in team handball can effectively represent specifically oriented exercises, according to the sport-task and the performance demands. 相似文献