|
|
|
|
|
Yuliya Zaloznova, Nataliia Trushkina
Pág. 27 - 36
Performance features of coal mining enterprises in terms of organization of the marketing activity have been studied, including: constant fluctuations of the market of coal products; economic sensitivity to the irregular demand for coal (surplus or defic...
ver más
|
|
|
|
|
|
|
|
|
|
|
Katerina Novotná, Magdalena Bare?ová, Lenka Cermáková, Jana Naceradská, Martin Pivokonsky
Coagulation of peptides and proteins produced by the cyanobacterium Microcystis aeruginosa and their influence on the coagulation of hydrophobic kaolinite particles were investigated. For this purpose, the dose of ferric sulphate used as the co...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiaokai Li, Xiaolong Zhang, Faming Zhang, Jian Huang, Shixiong Tang and Zhiqing Liu
The mountainous areas of Southwest China have the characteristics of valley deep-cutting, a large topographic gradient, complex geological structures, etc. With the development of infrastructure construction in the area, the construction of bridges acros...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiang Li, Ruian Wu, Bing Han, Deguang Song, Zhongkang Wu, Wenbo Zhao and Qijun Zou
Under rapid global climate change, the risk of ancient landslide reactivation induced by rainfall infiltration is increasing significantly. The contribution of cracks to the reactivation of ancient landslides, as an evolutionary product, is a topic that ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hang Su, Tao Deng, Zengquan Yang, Jianpeng Qin and Lu Zheng
Shield misalignment is a common problem in shield tunnels, which seriously affects the safety and durability of tunnels. However, at present, there is a lack of research on the influence of shield misalignment on the shear capacity of the circumferential...
ver más
|
|
|
|
|
|
|
|
|
|
|
Qi Hong, Tianyi Zhou and Junde Qi
Polishing force is one of the key process parameters in the polishing process of blisk blades, and its control accuracy will affect the surface quality and processing accuracy of the workpiece. The contact mechanism between the polishing surface and flap...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hongzhang Pan, Yongmei Zhu and Mingjiang Fang
Maraging steel is the material of deep sea pressure equipment. The characteristics of corrosion fatigue crack initiation in 18Ni (250) were investigated by performing a tensile fatigue test under different loading conditions. The mechanism of corrosion f...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jing Luo, Yuhang Zhang, Jiayuan Zhuang and Yumin Su
The development of intelligent task allocation and path planning algorithms for unmanned surface vehicles (USVs) is gaining significant interest, particularly in supporting complex ocean operations. This paper proposes an intelligent hybrid algorithm tha...
ver más
|
|
|
|
|
|
|
|
|
|
|
Chengmin Li, Haoyu Deng, Guoxin Yu, Rong Kong and Jian Liu
Nudging the adoption of agricultural green production technologies (AGPTs) by cotton farmers is a practical need to implement the national ?green development? strategy. Based on the micro-survey data of 502 cotton farmers, this paper empirically analyzed...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ning Hu, Gangchen Sun, Feng Liu, Bai Yang and Hailing Li
In order to study the influence of falling rock shapes on their rolling characteristics and to determine the optimization of falling rock protection design, a series of research experiments were conducted. Model experiments were designed to explore the r...
ver más
|
|
|
|
|
|