Zobrazeno 1 - 10
of 3 969
pro vyhledávání: '"Yong Bo"'
Autor:
Hang Li, Kai Liu, Banghui Yang, Shudong Wang, Yu Meng, Dacheng Wang, Xingtao Liu, Long Li, Dehui Li, Yong Bo, Xueke Li
Publikováno v:
International Journal of Digital Earth, Vol 17, Iss 1 (2024)
ABSTRACTInverting grassland above-ground biomass (AGB) presents a significant challenge due to difficulties in characterizing leaf physiological states and obtaining accurate ground-truth data. This study introduces an innovative hybrid model for AGB
Externí odkaz:
https://doaj.org/article/38af3cdb3f2d40659d2d9172756a6f22
Autor:
Yuru Cheng, Yu Shen, Yuxia Gao, Ya Wen, Ze Lv, Ning Wen, Erpeng Wang, Guanghe Li, Yong Bo, Qinjun Peng
Publikováno v:
Frontiers in Physics, Vol 12 (2024)
Three methods are used for a numerical solution, the Monte Carlo method, diffusion approximation equation model, and beam broaden model based on Beer–Lambert’s law equation. The comparison between the first two methods is reported theoretically,
Externí odkaz:
https://doaj.org/article/18d83674e4864ba49a0899104bbc384d
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 5, Pp 1-4 (2024)
The optical parametric amplification process in the mid-infrared (MIR) 3–5 μm region of nonlinear crystal LiInS2 (LIS) has been investigated. The LIS crystal was pumped by a 1064 nm laser with a pulse width of 30 picoseconds and seeded by a tunabl
Externí odkaz:
https://doaj.org/article/cf91c6bbcca54c17ac73f5615b591f47
Uncovering Current and Future Variations of Irrigation Water Use Across China Using Machine Learning
Publikováno v:
Earth's Future, Vol 12, Iss 3, Pp n/a-n/a (2024)
Abstract Accurately characterizing changes in irrigation water use (IWU) is crucial for formulating optimal water resource allocation policies, particularly in the context of climate change. However, existing IWU estimation methods suffer from uncert
Externí odkaz:
https://doaj.org/article/1bfb0286facc4e289bec73ffdd51f07b
Autor:
Jonghyun Lee, Yong Bo Park, Sung Yong Han, Dong Chan Joo, Seung Min Hong, Kiyoun Yi, Dong Uk Kim
Publikováno v:
Journal of Clinical Medicine, Vol 13, Iss 11, p 3226 (2024)
Background/Objectives: Endoscopic papillectomy (EP) is the preferred treatment for ampullary tumors because it has fewer side effects than surgical removal. This study retrospectively compared a new anchoring EP method (A-EP) with the conventional (C
Externí odkaz:
https://doaj.org/article/a740343a21b749558052f0b2802b916f
Autor:
Yuru Cheng, Yu Shen, Yuxia Gao, Ya Wen, Ze Lv, Erpeng Wang, Mingli Wang, Shenjin Zhang, Yong Bo, Qinjun Peng
Publikováno v:
Applied Sciences, Vol 14, Iss 10, p 4333 (2024)
A theoretical model, based on the classical Pennes’ bioheat theory, incorporating various boundary conditions, was established and compared to analyze the influence of the latent heat of vaporization via simulation. The aim was to elucidate the ext
Externí odkaz:
https://doaj.org/article/09acc7c38e6c494d9978b560679597b0
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 5, Pp 1-5 (2023)
A high infrared-to-green conversion efficiency laser is demonstrated by extra-cavity frequency-doubling of a master oscillator power amplifier (MOPA) laser. The oscillator is a diode-side-pumped acousto-optic Q-switched Nd:YAG laser at 1064 nm with a
Externí odkaz:
https://doaj.org/article/725c90e85b2642bb91db488138204fca
Publikováno v:
Frontiers in Physics, Vol 11 (2023)
A several-kilowatt level laser at 946 nm is demonstrated in a cryogenically cooled diode-pumped Nd:YAG slab system. The oscillator realizes the record of the output power of 2.85 kW in a compact cavity with the homemade cryogenically cooled Nd:YAG cr
Externí odkaz:
https://doaj.org/article/f0216bc279414561a387fb3d3cd8b1e4
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 16, Iss 9, Pp 610-616 (2022)
Abstract In this paper, a novel deep learning (DL) approach is developed to solve the electromagnetic inverse scattering (EMIS) problems. Many challenges, such as ill‐posedness, high computational cost, and strong non‐linearity, are encountered w
Externí odkaz:
https://doaj.org/article/040bfa13e92a4fd995d6b425b13627c3
Autor:
Ning Wen, Nan Wang, Nan Zong, Xue-Chun Lin, Hong-Wei Gao, Yong Bo, Qin-Jun Peng, Da-Fu Cui, Zu-Yan Xu
Publikováno v:
High Power Laser Science and Engineering, Vol 11 (2023)
We present a high-energy, hundred-picosecond (ps) pulsed mid-ultraviolet solid-state laser at 266 nm by a direct second harmonic generation (SHG) in a barium borate (BaB2O4, BBO) nonlinear crystal. The green pump source is a 710 mJ, 330 ps pulsed las
Externí odkaz:
https://doaj.org/article/b0877bd4b87d42b5ba4153a6ee024918