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Zongyu Zhang, Qinghua Zeng, Yijun Zou, Hongfu Wang and Meng Tang
Variable flow ducted rockets (VFDRs) are promising candidates for propulsion systems in hypersonic vehicles because of their inherent advantages, such as high specific impulse, low weight, and high speed. The control of gas flow is essential for optimal ...
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Kang Luo, Yongjun Zeng, Ziming Wu, Lin Guo, Xiaobing Xie, Qinghua Shi and Xiaohua Pan
An increased planting density and decreased nitrogen (N) rate combination may obtain a stable yield and enhance N utilization. However, the effects of an increased planting density and decreased N rate combination on the yield and nutrient utilization in...
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