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Chunhui Zhang, Wanyi Zhang, Chengjun Zhang, Liwei Zheng, Shiyi Yan, Yuanhao Ma and Wei Dang
Variations in solar insolation caused by changes in the Earth?s orbit?specifically its eccentricity, obliquity, and precession?can leave discernible marks on the geologic record. Astrochronology leverages these markers to establish a direct connection be...
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Jayson Craig Small and Liwei Zhang
The performance of detonation engines depends on propellant injectors. This study investigates a fluidic-valve injector mounted to a detonation tube. The injector is equipped with a recessed cavity connecting to the fuel plenum. After verifying the theor...
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Yin Zhang, Jian Shen, Liwei He, Jimeng Feng, Lina Chi and Xinze Wang
Human activities, global warming, frequent extreme weather events, and changes in atmospheric composition affect the solar radiation reaching the Earth?s surface, affect mass and heat transfer at the air?water interface, and induce oscillations in wind-d...
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Liwei Zhang, Weiguo Zhang, Zaiquan Wang, Sijia Liu and Kai Liu
Dynamic risk assessment is a pivotal tool for enhancing construction safety and minimizing the potential for partial failure during deep and extensive excavation projects. To enhance the efficacy of dynamic risk assessment in deep excavation, this study ...
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Xueqin Pan, Jun Liu, Xiao Xu, Liwei Zhang and Long Zhang
Selecting palatable plants matters for insect herbivores? survival, especially for food-restricted oligophagous and monophagous species. However, the definite selection strategy to distinguish host plants from nonhost plants, as well as the underlying se...
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Liang Chi, Mengshuai Zhu, Chen Shen, Jing Zhang, Liwei Xing and Xiangyang Zhou
This paper explores the impact of e-commerce on profit margin from the perspective of scale using nation-level survey data from China. The results show that e-commerce can increase the profit margin of cooperatives, and that a higher proportion of sales ...
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Jiao Deng, Lijuan Wang, Rebecca Njeri Damaris, Jiali Zhao, Lan Zhang, Tingting Wang, Chaojie Yang, Juan Huang, Taoxiong Shi, Liwei Zhu, Ziye Meng, Fang Cai and Qingfu Chen
Tartary buckwheat (Fagopyrum tataricum Gaertn.) belongs to the family of Polygonaceae and is used as a multi-functional plant. R2R3-MYB transcription factors play a crucial part in plant growth and are involved in many biological processes where they reg...
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Hongqiang Sang, Jin Zhang, Xiujun Sun, Can Li, Lei Wang and Liwei Wang
A wave glider can convert vertical wave motion into its forward propulsion. There are many factors affecting the propulsion performance of a wave glider. The swing amplitude of hydrofoil can affect the efficiency of hydrofoil to capture wave energy, and ...
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Kai Dong, Xianzhou Wang, Donglei Zhang, Liwei Liu and Dakui Feng
The simulations of submarine sailing near the free surface with long-crested waves have been conducted in this study using an in-house viscous URANS solver with an overset grid approach. First, the verification and validation procedures were performed to...
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Zhihui Shang, Tao Zhang, Yueming Cai, Weiwei Yang, Hao Wu, Yu Zhang and Liwei Tao
This paper studies the secure transmission in the dual-hop cognitive wiretap networks, where the secondary transmitter (Alice) aims to transmit confidential information to the secondary receiver (Bob) in the face of a multi-antenna relay (Relay), while t...
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