Zobrazeno 1 - 10
of 95
pro vyhledávání: '"Lijian Shi"'
Publikováno v:
Remote Sensing, Vol 16, Iss 13, p 2486 (2024)
The Ku band microwave scatterometer (SCA) and scanning microwave radiometer (SMR) onboard HaiYang-2B (HY-2B) can simultaneously supply active and passive microwave observations over the polar region. In this paper, a polar ice water discrimination mo
Externí odkaz:
https://doaj.org/article/360e6ff8e2ff4167bbf926eb5b0a0586
Publikováno v:
Remote Sensing, Vol 16, Iss 6, p 1100 (2024)
Sea-ice mapping using Synthetic Aperture Radar (SAR) in the melt season poses challenges, primarily due to meltwater complicating the distinguishability of sea-ice types. In response to this issue, this study introduces a novel method for classifying
Externí odkaz:
https://doaj.org/article/9ef7d54da7f441f6b4a1a562802ef6b0
Publikováno v:
Remote Sensing, Vol 15, Iss 18, p 4399 (2023)
Antarctic mapping with satellite images is an important basic task for polar environmental monitoring. Since the first Chinese marine satellite was launched in 2002, China has formed three series of more than 10 marine satellites in orbit. As global
Externí odkaz:
https://doaj.org/article/70469f230af1453f9bc4b1f12118f6b1
Publikováno v:
Water Science and Technology, Vol 84, Iss 9, Pp 2541-2556 (2021)
Ultrafiltration membranes are widely used for the treatment of papermaking wastewater. The antifouling performance of polyvinylidene fluoride (PVDF) ultrafiltration membranes can be improved by changing the hydrophilicity. Here, a novel amphiphilic c
Externí odkaz:
https://doaj.org/article/439cef528b2b4ca69571597873747f56
Autor:
Lijian Shi, Yuhang Jiang, Yiping Cai, Beishuai Chen, Fangping Tang, Tian Xu, Jun Zhu, Yao Chai
Publikováno v:
Frontiers in Energy Research, Vol 10 (2022)
The full-tubular pump is a new type of pump with a narrow range of stable operation. In order to improve the internal flow characteristics of the full-tubular pump under small flow conditions and improve the safe and stable operating range of the pum
Externí odkaz:
https://doaj.org/article/3018660c89db4cf18775dac23c5cd8a8
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 5, p 895 (2023)
As a low-head and non-drive pump, the head reduction and stall advance are the key factors that restrict the popularization and application of the full tubular pump (FTP). In this paper, the shear stress transport (SST) k-ω turbulence model is used
Externí odkaz:
https://doaj.org/article/2130d14df17d4df3a64da86d552b2c80
Publikováno v:
Remote Sensing, Vol 15, Iss 6, p 1692 (2023)
Polar sea ice profoundly affects atmospheric and oceanic circulation and plays a significant role in climate change. Sea ice concentration (SIC) is a key geophysical parameter used to quantify these changes. In this study, we determined SIC products
Externí odkaz:
https://doaj.org/article/2b24a9426891409e8943956e48e81e8b
Autor:
Xiaowen Zhang, Yuhang Jiang, Xijie Song, Fangping Tang, Jian Dai, Fan Yang, Hai Wang, Lijian Shi
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 2, p 326 (2023)
The large axial flow pump systems used in coastal pump stations are often required to add flap valves to the gates to improve the quality of the transition process. However, due to the unclear mechanism of the additional flap valve on the transition
Externí odkaz:
https://doaj.org/article/75950f8aa2f348f1ae452654432fcc8a
Autor:
Xi Zhang, Yixun Zhu, Jie Zhang, Qimao Wang, Lijian Shi, Junmin Meng, Chenqing Fan, Meijie Liu, Genwang Liu, Meng Bao
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 14, Pp 9855-9872 (2021)
Accurate identification of sea ice type from altimeter data is important for inversion of sea ice freeboard by radar altimeter, as well as for maritime navigation in polar regions. Previous sea ice classification studies have rarely involved multifre
Externí odkaz:
https://doaj.org/article/97727acd11ef440b98783ab4f4ed1777
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 2, p 268 (2023)
A bi-directional pump is designed by using S-shaped hydrofoil, is the most convenient way to achieve bi-directional operation. In this paper, high-speed photography is used to visualize the flow field characteristics of the bidirectional pump under d
Externí odkaz:
https://doaj.org/article/f5a69fc5e8a54f619d64e88deafe6324