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Jun Wang, Zhenhua Liu, Jia Hou and Mengmeng Ge
As an emerging method in engineering construction, concrete 3D printing has experienced rapid development in recent years due to its advantages in terms of automation, digitization, and intelligence. In order to comprehensively understand the research pr...
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Mengmeng Liu, Wanqing Wu and Hua Li
The grassland ecological compensation policy (GECP) is currently the largest grassland ecosystem payment program in the world, trying to manage and restore degraded grasslands to achieve a virtuous cycle of grassland ecosystems. However, responses to the...
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Xinyu Chen, Mingdong Chen, Mengmeng Liu, Yang Li, Deqiu Yang and Haihua Wu
To address the problem of poor ridging effect, a sweet potato ridging and shaping machine was designed and its overall structure and working principles were described. The design parameters of rotary tillage device, furrowing and shaping device and press...
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Qingsong Zhang, Haoling Liao, Honghong Yang, Mengmeng Liu, Suobin Jia and Hua Li
In the pursuit of establishing a more environmentally sustainable and low-carbon hog farming system, the accurate quantification of emissions of greenhouse gas emanating from these systems, especially within the context of China, becomes imperative. Here...
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Rui Tang, Chengjin Qin, Mengmeng Zhao, Shuang Xu, Jianfeng Tao and Chengliang Liu
Due to factors such as uneven guide rails and airflow disturbance in the hoistway, high-speed elevators may experience significant vibrations during operation. This paper proposes an optimized fractional-order PID (FOPID) method to suppress vibrations of...
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Muyi Wang, Song Wang, Renjie Chen, Mengmeng Zhu, Yunpeng Liu, Haojie Ding, Jun Ren, Tongtong Xuan and Huili Li
All-inorganic perovskite nanocrystals (NCs) have attractive potential for applications in display and lighting fields due to their special optoelectronic properties. However, they still suffer from poor water and thermal stability. In this work, green Cs...
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Yiwen Jian, Shuwei Liu, Mengmeng Bian, Zijia Liu and Shengjie Liu
To date, few attempts have been made to associate air conditioning behavior with environmental conditions and the occupants? thermal sensations and physiological states simultaneously. In this study, a series of experiments were conducted in a climate ch...
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Lusheng Jia, Yi Liu, Mengmeng Zhang, Shixiao Fu and Haojie Ren
In this paper, the vortex-induced force characteristics of a flexible riser with buoyancy modules and strakes were experimentally investigated. The strain information caused by vortex-induced vibration (VIV) at different cross-sections on the flexible cy...
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Mengmeng Liu, Zhifeng Liu, Junmin Chen, Liang Jiang, Caixia Zhang and Xianyong Li
A low friction coefficient and high bearing capacity can improve the service life of implants in the human body. In this study, we firstly investigate the mechanical properties of inorganic thermal oxide coatings on titanium alloy (Ti6Al4V). Tribological...
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Yu Ding, Tongyu Liu and Mengmeng Yan
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