Zobrazeno 1 - 10
of 157
pro vyhledávání: '"Zhenhao Xu"'
Publikováno v:
Underground Space, Vol 16, Iss , Pp 279-300 (2024)
Multiform fractures have a direct impact on the mechanical performance of rock masses. To accurately identify multiform fractures, the distribution patterns of grayscale and the differential features of fractures in their neighborhoods are summarized
Externí odkaz:
https://doaj.org/article/046f97da07d947c9a13ff8a7a2e1d816
Publikováno v:
International Journal of Mining Science and Technology, Vol 33, Iss 12, Pp 1437-1449 (2023)
The lag in quantitative methods and detection techniques for geologic information has resulted in time-consuming and human-experienced geologic analysis in tunnels. Geochemical indicators of rocks can be used to identify adverse geology and to explai
Externí odkaz:
https://doaj.org/article/ebae2f6efd85489dbf2b7cf660c7f921
Publikováno v:
Remote Sensing, Vol 16, Iss 13, p 2337 (2024)
The BeiDou Global Navigation Satellite System (BDS-3) provides real-time precise point positioning (PPP) service via B2b signals, offering real-time decimeter-level positioning for users in China and surrounding areas. However, common interruptions a
Externí odkaz:
https://doaj.org/article/c85de7875a3d40fda93821a413df9f97
Publikováno v:
Engineering, Vol 27, Iss , Pp 150-160 (2023)
Accurate and effective identification of adverse geology is crucial for safe and efficient tunnel construction. Current methods of identifying adverse geology depend on the experience of geologists and are prone to misjudgment and omissions. Here, we
Externí odkaz:
https://doaj.org/article/e59dbe8f417747c783e74474cbb4aa92
Publikováno v:
Remote Sensing, Vol 16, Iss 11, p 1857 (2024)
Topside total electron content (TEC) data measured by COSMIC/FORMAT-3 during 2008 and 2016 were used to analyze and model the global plasmaspheric electron content (PEC) above 800 km with the help of the empirical orthogonal function (EOF) analysis m
Externí odkaz:
https://doaj.org/article/97e2de8d13bd43beab6e024df81fb970
Publikováno v:
Frontiers in Marine Science, Vol 10 (2023)
Understanding the multi-scale variabilities of global sea surface temperature (GSST) is extremely critical for deepening the comprehension of surface climate change. Great efforts have been made to study the multi-scale features of GSST, however, aim
Externí odkaz:
https://doaj.org/article/c0e6490480984646a27b5cc9beb2c16a
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 14, Iss 4, Pp 1140-1152 (2022)
An intelligent lithology identification method is proposed based on deep learning of the rock microscopic images. Based on the characteristics of rock images in the dataset, we used Xception, MobileNet_v2, Inception_ResNet_v2, Inception_v3, Densenet1
Externí odkaz:
https://doaj.org/article/bcd6632a73414a4faef8b2ba89caea3c
Publikováno v:
Geoscience Letters, Vol 9, Iss 1, Pp 1-9 (2022)
Abstract The multi-scale variability of global sea surface temperature (GSST), which is often dominated by secular trends, significantly impacts global and regional climate change. Previous studies were mainly carried out under linear assumptions. Ev
Externí odkaz:
https://doaj.org/article/453b28ff43744b979e3fe53d865dee74
Autor:
Gang Huang, Zhenhao Xu, Xia Qu, Junji Cao, Shangmin Long, Kai Yang, Hongyu Hou, Ya Wang, Xiaofan Ma
Publikováno v:
Fundamental Research, Vol 2, Iss 3, Pp 396-400 (2022)
In 2020, China announced the ''emission peak, carbon neutrality'' policy, that is, China aims to have CO2 emissions peak before 2030 and achieve carbon neutrality before 2060. The scenario of carbon neutrality will be significantly distinguished from
Externí odkaz:
https://doaj.org/article/1e77d4b439b843cd9203f39afd77b126
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 14, Iss 2, Pp 423-435 (2022)
It is difficult to temporally and spatially track and characterize the slurry viscosity in flowing water during grouting simulation. In this study, a sequential flow and solidification (SFS) method considering the spatial-temporal evolution of slurry
Externí odkaz:
https://doaj.org/article/9fe6af874532473bbf79d563013b02a2