Výsledky vyhledávání

Akademický článek

Effect Analysis of Track Vibration Reduction Measures on Viaduct Environmental Vibration Induced by Vehicle Operation

Autor: YANG Lin, FANG Bin, NIU Xiaoli, YUAN Dehao

Publikováno v: Chengshi guidao jiaotong yanjiu, Vol 27, Iss 12, Pp 81-86 (2024)

［Objective］When a train running on the viaduct track, the rail vibration caused by the vehicle-track interaction will be transmitted to the bridge, piers, and pile foundations through the track structure, thereby triggering ground vibration aroun

Externí odkaz: https://doaj.org/article/1cdf94bc1420466eaef20e5bc0c61a68

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Akademický článek

Vibration Reduction Effect of Steel Spring Floating Slabs under Water Immersion Conditions

Autor: YUAN Dehao, ZHANG Hongliang, YANG Lin, ZHOU Yu, NIU Xiaoli

Publikováno v: Chengshi guidao jiaotong yanjiu, Vol 27, Iss 12, Pp 87-92 (2024)

［Objective］To address the issues of reduced vibration isolation performance of floating slabs under water immersion, it is necessary to study the impact of train operating speed and steel spring isolator stiffness on vibration reduction under ope

Externí odkaz: https://doaj.org/article/ea67938081a145e3a31d64d398a5f7ec

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Akademický článek

Effect of Saving-water Drip Irrigation and Nitrogen Reduction on Growth and Photosynthetic Characteristics of Young Apple Tree

Autor: ZHOU Hanmi, SUN Qili, NIU Xiaoli, CHEN Jiageng, MA Linshuang, SU Yumin, LI Jichen

Publikováno v: Guan'gai paishui xuebao, Vol 42, Iss 11, Pp 49-57 (2023)

【Objective】 Reducing water and fertilizer application is critical to developing sustainable agriculture worldwide. This paper investigates the optimal water-saving drip irrigation and nitrogen-reducing fertilization for cultivation of young apple

Externí odkaz: https://doaj.org/article/3c7e08372e074e5a804148a3edc6d8f8

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Akademický článek

Effects of 6-BA on Growth and Endogenous Chemical Signals of Maize Seedlings under Partial Irrigation

Autor: WANG Yibo, NIU Xiaoli, DAI Zhiguang, ZHAO Ben, MA Tiancheng, WANG Jiachen, WANG Zhihao

Publikováno v: Guan'gai paishui xuebao, Vol 42, Iss 1, Pp 16-23 (2023)

【Objective】 The synthetic cytokinin 6-benzyladenine (6-BA) is an exogenous regulator to promote plant growth, and the purpose of this paper is to study the effect of 6-BA on growth of maize seedlings watered by different irrigations. 【Method】

Externí odkaz: https://doaj.org/article/e5ed9300a3ad440682e09f9d6a65fea8

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Akademický článek

LQR pitch control strategy of AUVs based on the optimum of sailing resistance

Autor: YAO Xuliang, MENG Lingwei, NIU Xiaoli

Publikováno v: Zhongguo Jianchuan Yanjiu, Vol 12, Iss 3, Pp 111-119 (2017)

When an Autonomous Underwater Vehicle(AUV) sails near the surface of the sea,it will inevitably be subjected to wave disturbance. The heave and pitch motion caused by wave disturbance not only affects the navigation attitude of the AUV,but also leads

Externí odkaz: https://doaj.org/article/b9d91191b7eb41228969a5ce38a46c45

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Akademický článek

High-Resolution Collaborative Forward-Looking Imaging Using Distributed MIMO Arrays.

Autor: Shen, Shipei^1,2 (AUTHOR) shenshipei22@mails.ucas.ac.cn, Niu, Xiaoli¹ (AUTHOR) niuxl@aircas.ac.cn, Guo, Jundong¹ (AUTHOR) guojd@aircas.ac.cn, Zhang, Zhaohui¹ (AUTHOR) zhangzh400268@aircas.ac.cn, Han, Song¹ (AUTHOR) hansong@aircas.ac.cn

Publikováno v: Remote Sensing. Nov2024, Vol. 16 Issue 21, p3991. 33p.

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