Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Xiangmei Meng"'
Autor:
Wenjing Meng, Xiangmei Meng, Jingqiang Wang, Guanbao Li, Baohua Liu, Guangming Kan, Junjie Lu, Lihong Zhao, Pengyao Zhi
Publikováno v:
Frontiers in Marine Science, Vol 11 (2024)
Based on data on the shear wave speed and physical properties of the shallow sediment samples collected in the northwest South China Sea, the hyperparameter selection and contribution of the characteristic factors of the machine learning model for pr
Externí odkaz:
https://doaj.org/article/ec176c2b83a240cea26ba699f29f94e5
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 4, p 545 (2024)
The acoustic properties of seafloor sediments on continental slopes play a crucial role in underwater acoustic propagation, communication, and detection. To investigate the acoustic characteristics and spatial distribution patterns of sediments on th
Externí odkaz:
https://doaj.org/article/2a490f795ebc4acdb634ad65ed8dd748
Publikováno v:
Frontiers in Marine Science, Vol 10 (2023)
Numerous factors influence the acoustic characteristics of seafloor sediments, necessitating a comprehensive study that combines theoretical analysis, laboratory measurements and in situ measurements to support acoustic prediction and inversion. In t
Externí odkaz:
https://doaj.org/article/5c87ebf4654c437e929a5406062de794
Autor:
Guangming Kan, Junjie Lu, Xiangmei Meng, Jingqiang Wang, Linqing Zhang, Guanbao Li, Baohua Liu, Qingfeng Hua, Mujun Chen
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 1, p 27 (2023)
Based on the data of the acoustic and physical properties of seafloor sediments obtained on the continental shelf area of the East China Sea (ECS), prediction equations of the sediment sound speed based on single and dual parameters were established,
Externí odkaz:
https://doaj.org/article/9f6c39e60fee45aba853c6993e448a48
Autor:
Jingqiang Wang, Guangming Kan, Guanbao Li, Xiangmei Meng, Linqing Zhang, Mujun Chen, Chenguang Liu, Baohua Liu
Publikováno v:
Frontiers in Marine Science, Vol 10 (2023)
Seafloor sediment acoustics is a burgeoning field of marine scientific research. In situ measurement technique is a key technique for investigating sediment acoustic properties. Establishing a correlation between in situ acoustic parameters and physi
Externí odkaz:
https://doaj.org/article/b29fbd5028ca46d3a263f8297e3a4b6d
Autor:
Wei Qin, Jian Song, Yao Wang, Tingyue Nie, Fan Pan, Xiaokang Xu, Hailin Tao, Xiangmei Meng, Ruyu Ni, Shishi Cheng, Shaoyu Xie, Hong Su
Publikováno v:
Human Vaccines & Immunotherapeutics, Vol 17, Iss 9, Pp 3137-3144 (2021)
Background The school entry vaccination record check strategy (SECS) is an appropriate opportunity to recommend vaccines for students to improve vaccination coverage (VC). However, it is only utilized for providing necessary catch-up vaccination for
Externí odkaz:
https://doaj.org/article/d33ae5898c124a56933f9641317312ad
Autor:
Fuhao Chu, Yicong Li, Xiangmei Meng, Yuan Li, Tao Li, Mengyin Zhai, Haocheng Zheng, Tianxi Xin, Zeqi Su, Jie Lin, Ping Zhang, Xia Ding
Publikováno v:
Frontiers in Physiology, Vol 12 (2021)
Background and Aims: Precancerous lesions of gastric cancer (PLGC) are the most important pathological phase with increased risk of gastric cancer (GC) and encompass the key stage in which the occurrence of GC can be prevented. In this study, we foun
Externí odkaz:
https://doaj.org/article/7a7489d82fd14a0e8d3290a029ea4a00
Predicting the Sound Speed of Seafloor Sediments in the East China Sea Based on an XGBoost Algorithm
Autor:
Mujun Chen, Xiangmei Meng, Guangming Kan, Jingqiang Wang, Guanbao Li, Baohua Liu, Chenguang Liu, Yanguang Liu, Yuanxu Liu, Junjie Lu
Publikováno v:
Journal of Marine Science and Engineering, Vol 10, Iss 10, p 1366 (2022)
Based on the acoustic and physical data of typical seafloor sediment samples collected in the East China Sea, this study on the super parameter selection and contribution of the characteristic factors of the machine learning model for predicting the
Externí odkaz:
https://doaj.org/article/5dfce12d36954796b13059a040448de6
Autor:
Jingqiang Wang, Zhengyu Hou, Guanbao Li, Guangming Kan, Baohua Liu, Xiangmei Meng, Qingfeng Hua, Lei Sun
Publikováno v:
Journal of Marine Science and Engineering, Vol 10, Iss 9, p 1295 (2022)
The acoustic characteristics of three fine-grained sediments (silty sand, silt, silty clay) in the South China Sea (SCS) were measured and analyzed at high frequency range of 27–247 kHz. The measurement results show that the sound speed dispersion
Externí odkaz:
https://doaj.org/article/2d2c9ffbd60047a49ea660bba02f14a9
Publikováno v:
Ecological Indicators, Vol 125, Iss , Pp 107593- (2021)
The continuous increase of global carbon dioxide emissions has been the focus of human concern. Discrete Grey forecasting Model (DGM) is used to forecast the CO2 mission in Asia-pacific Economic Cooperation (APEC) member countries in 2020–2023 usin
Externí odkaz:
https://doaj.org/article/f9d5d3bd447241c7b94c1870712aaf93