Zobrazeno 1 - 10
of 139
pro vyhledávání: '"动力学"'
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 42, Iss 5, Pp 920-928 (2024)
During the aerial refueling process, the hose-drogue is disturbed by the complex airflow to occur irregular shaking motion, while the hose-drogue in the impact of the receiver often lead to whipping phenomenon, limiting the success rate and safety of
Externí odkaz:
https://doaj.org/article/9be2d6060c4f4735a3cb92c21af098e9
Publikováno v:
全球能源互联网, Vol 7, Iss 5, Pp 579-590 (2024)
随着风电、光伏等新能源发电渗透率的不断提高，电力系统等效惯量水平不断下降且空间分布不均的特性日益凸显。而电力系统维持频率稳定的能力与系统等效惯量水平息息相关，因此明确
Externí odkaz:
https://doaj.org/article/898742dfb18f4d35b4d0b1fbdccdc411
Publikováno v:
Zhejiang Daxue xuebao. Lixue ban, Vol 51, Iss 3, Pp 336-346 (2024)
The spread and outbreak of computer viruses in the information age have had a huge impact on social production and people's lives, and it is particularly important to effectively prevent and suppress the spread of computer viruses. In this paper, a c
Externí odkaz:
https://doaj.org/article/74c0a5a70f9a40dc9febc57dedba1a92
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 42, Iss 1, Pp 108-116 (2024)
Because the upper-stage separation of a lifting-body rocket is difficult under the low-altitude and high-speed flight environments, an upper-stage separation scheme based on the separation spring is proposed. The integration of ADAMS and MATLAB reali
Externí odkaz:
https://doaj.org/article/454d47bfd38944afb90ece1dc566c2e9
Publikováno v:
Jianzhu Gangjiegou Jinzhan, Pp 1-8 (2024)
针对局部火灾，需要考虑建筑物构件不均匀受热情况下的热学与力学响应。研究对象为方钢管梁，模拟其在不同高度处承受底部火羽流冲击作用的热力学现象。有别于应用绝热表面温度概念
Externí odkaz:
https://doaj.org/article/a6d8211ab36b492cb6f01cb9fddcda13
Autor:
邓杨勇，高军龙，赵美钰，杨建华，田玮，金超 DENG Yangyong, GAO Junlong, ZHAO Meiyu, YANG Jianhua, TIAN Wei, JIN Chao
Publikováno v:
Zhongguo youzhi, Vol 49, Iss 1, Pp 90-94 (2024)
为了对山核桃油产品流转过程中的品质控制提供理论基础，探究山核桃油在贮藏期间的品质变化规律及其货架期预测方法。对在5、20、35 ℃下贮藏的山核桃油进行感官评定，测定其酸值、过
Externí odkaz:
https://doaj.org/article/b607f7d785744effb8f77ed9b22ea328
Publikováno v:
Zhongguo cuzhong zazhi, Vol 18, Iss 12, Pp 1405-1412 (2023)
目的 研究肥胖与症状性颅内动脉粥样硬化狭窄（symptomatic intracranial atherosclerosis stenosis，sICAS）患者跨病变压力比（pressure ratio，PR）减低的关系。 方法 本研究数据来源于中国国家卒中登记
Externí odkaz:
https://doaj.org/article/1edb05c5b5b242148a37350305d5ea40
Publikováno v:
中西医结合护理, Vol 9, Iss 8, Pp 176-179 (2023)
This paper summarized the nursing management for a patient with chronic heart failure of yang deficiency and water accumulation treated with ginger-partitioned moxibustion combined with acupoint application umbilical therapy. Based on the Traditional
Externí odkaz:
https://doaj.org/article/f6c736e1865446dcb6514f7112afccfa
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 41, Iss 3, Pp 490-499 (2023)
This paper studies the dynamic modeling method of fold-able multi-body aircraft based on the dynamics theory of multi-body system. Considering the multi-body aircraft as a complete multi-rigid body system, the dynamic model for the free unfolding pro
Externí odkaz:
https://doaj.org/article/f9230630582a423187e3330c1233124a
Publikováno v:
Kongjian kexue xuebao, Vol 43, Pp 251-259 (2023)
利用理论模式GCITEM，在国际地磁参考场（IGRF）下，模拟了地磁平静条件下的电离层发电机主导的中低纬电离层电势分布，研究了太阳活动、季节、世界时和低层大气潮汐对电离层电势的调节
Externí odkaz:
https://doaj.org/article/83c20b574cfe45ee9736f6b05ba70367