摘要: 介绍了Y12Ⅳ型飞机短距起飞、着陆性能飞行试验的参数测试和数据处理方法。对测试参数在数据处理中的作用和对测试结果的影响进行了分析。从保证数据处理结果满足适航相关性要求的角度,对重要参数的测试精度和采样率提出要求,并对测试方法提出了改进措施。 关键词: 短距起落;性能;飞行试验;参数测试 DOI: CNKI:...
作者: 吴蕾 摘要: 关键词:心理课;教育戏剧;教育模式中图分类号:G44文献标识码:B文章编号:1671-2684(2024)34-0026-03【活动理念】教育戏剧是以教育为主要目的的,带有戏剧与剧场性质的教学方法与教育模式[1].在教育戏剧中,学生调动已有经验应对当下情景中的问题,同时在深度思考和讨论中获得新经验.心理课上应用教...
Long-term correction of canine hemophilia B by gene transfer of blood coagulation factor IX mediated by adeno-associated viral vector Hemophilia B is a severe X-linked bleeding diathesis caused by the absence of functional blood coagulation factor IX, and is an excellent candidate for tre... RW...
The invented fire-check valve has a body formed by a box (1) and an adapter (2) between coupling of which there is inserted a heat-insulating insert (3) having a sealing surface (12) arranged all over the box (1) inner circumference. Within the reach of the sealing surface (12) the...