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Gaoya dianqi针对断路器弹簧机构常见的合后即分故障，文中提出了一种基于图像特征点跟踪的断路器合后即分故障分析方法。首先通过对弹簧机构传动过程的分析，确定了合后即分故障的主要分析方向。然后，基于高速摄影机数据采集平台完整记录了合闸、分闸瞬间，弹簧机构中四级分闸杠杆的传动过程，提出了基于图像特征点跟踪的弹跳幅度分析方法，通过特征点准确跟踪了四级分闸杠杆的运动轨迹，并引入了偏转角度参数准确量化了四级分闸杠杆的弹跳幅度。最后，通过对偏转角度波形的分析，判断出了导致断路器合后即分故障发生的主要原因 ...
沙浩源 +9 more
doaj
International Journal of Applied Linguistics, EarlyView.ABSTRACT With the increasing number of Chinese international students in Australian universities, intercultural competence has become a critical factor influencing their interactions with Australian tutors in university classroom settings. Existing research often examines students’ intercultural competence from a single‐method or single‐perspective ...
Jiangyu Han, Linda Tsung
wiley +1 more source
[Analysis of the disease burden of Burkitt lymphoma in China from 1990 to 2021]. [PDF]
Zhonghua Xue Ye Xue Za ZhiZheng CH +8 more
europepmc +1 more source
International Journal of Applied Linguistics, EarlyView.ABSTRACT Many existing rubrics for L2 argumentative writing prioritize form‐based linguistic accuracy and complexity while insufficiently addressing substantive argumentative rigor and effectiveness. This limitation is further complicated by cross‐cultural variation in rhetorical conventions and educational practices, which challenge the direct ...
Zihan Xu, Peiyun Liu
wiley +1 more source