增值性评价促进幼儿阅读自主性水平提升的路径

在幼儿园的教育过程里,幼儿们主要通过阅读来学习和发展,这同样是他们最热衷的活动形式。作为一天中的关键环节,阅读对于幼儿们而言,由于他们的年纪和社交经验的限制,往往不易理解和掌控这类阅读的核心。对于自主阅读的引导,教师的角色至关重要,将阅读评价视为引导的核心步骤,这样才能提高幼儿的自主阅读技巧,推动他们的全方位成长。

支气管哮喘患者自主性感知水平的相关因素

目的分析支气管哮喘(BA)患者自主性感知水平的相关因素。方法前瞻性纳入2019年1月至2021年1月在杭州市第一人民医院就诊的100例BA患者作为研究对象。采用自主性感知量表评估所有患者的自主性感知水平,设计基线资料统计表,详细询问患者相关基线资料情况并记录,比较不同资料特征支气管哮喘患者自主感知量表评分,分析可能影响BA患者自主感知水平的相关因素。结果100例BA患者自主性感知水平一般,自主性感知评分为(61.28±6.26)分。不同受教育程度、合并其他慢性病、焦虑抑郁、社会支持患者自主感知量表评分比较,差异有统计学意义(P<0.05)。经多重线性回归分析显示,受教育程度低、合并其他慢性病、有焦虑抑郁、社会支持低下可能是BA患者自主性感知水平的影响因素(P<0.05)。回归方程如下:Y=48.745+2.693X_(1)+1.250X_(2)+1.379X_(3)+1.932X_(4)。结论BA患者的自主性感知水平一般可能与受教育程度低、合并其他慢性病、有焦虑抑郁、社会支持低下有关。

Experimental Study of Improved HAWT Performance in Simulated Natural Wind by an Active Controlled Multi-Fan Wind Tunnel

The effects of turbulent intensity and vortex scale of simulated natural wind on performance of a horizontal axis wind turbine(HAWT) are mainly investigated in this paper. In particular, the unsteadiness and turbulence of wind in Japan are stronger than ones in Europe and North America in general. Hence, Japanese engineers should take account of the velocity unsteadiness of natural wind at installed open-air location to design a higher performance wind turbine. Using the originally designed five wind turbines on the basis of NACA and MEL blades, the dependencies of the wind frequency and vortex scale of the simulated natural wind are presented. As the results, the power coefficient of the newly designed MEL3-type rotor in the simulated natural wind is 130% larger than one in steady wind.