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14. Challenges and key technologies of new Ethernet for intelligent computing center

Author

DUAN Xiaodong, LI Jieyu, CHENG Weiqiang, LI Han, WANG Ruixue, and WANG Haojie

Subjects
large model AI distributed training, GSE, load balancing, congestion control, network security protocol, Telecommunication, TK5101-6720, Technology
Abstract

AI large model is leading the hot ICT(information and communications technology) industry in the next decade. Intelligent computing center network is a communication base to support the distributed training of AI large model, and it is one of the key factors to determine the efficiency of AI clusters. The data volume and the number of parameters of AI large model are expanding continuously, which brings the network of intelligent computing centers serious challenges, and also brings an opportunity for intergenerational innovation of key network technologies. In the process of AI large model training and inferencing, providing high performance and high security transmission of data are the two core requirements of AI business for intelligent computing network. Efficient load balancing, congestion control technologies and network security protocols are the key network technologies. To address the challenge brought by large-scale AI business, global scheduling ethernet (GSE) was proposed as a corresponding solution, and realistic test environment was built to compare the performance of GSE and RoCE. The test results show that GSE significantly improves JCT compared with RoCE network.

Published
2024
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15. Study of the Propagation Mechanism of Plasma Impingement on Multilayer Fiber Membranes

Author

Kong, Xianghao, Ning, Wenjun, Wang, Ruixue, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Li, Yong, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Oneto, Luca, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zamboni, Walter, Series Editor, Tan, Kay Chen, Series Editor, Yang, Qingxin, editor, Li, Zewen, editor, and Luo, An, editor

Published
2024
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23. Relationship between Hp infection and serum gastrointestinal hormones and monoamine neurotransmitter levels in patients with ulcerative colitis

Author

Wang Ruixue, Zhang Feng, Zhang Qiang

Subjects
helicobacter pylori infection, ulcerative colitis, substance p, endothelin, vasoactive intestinal peptide, norepinephrine, 5-hydroxytryptamine, Medicine
Abstract

Objective To investigate the relationship between Helicobacter pylori （Hp） infection and serum gastrointestinal hormones and monoamine neurotransmitter levels in patients with ulcerative colitis. Methods 145 patients newly diagnosed with ulcerative colitis were selected into the study group，and 140 patients without abnormal results by gastrointestinal endoscopy were assigned into the control group. In two groups，Hp infection was diagnosed by using 13C urea breath test （13C-UBT）. The levels of gastrointestinal hormones（substance P （SP），endothelin （ET），vasoactive intestinal peptide （VIP））and monoamine neurotransmitters（norepinephrine （NE），5-hydroxytryptamine （5-HT）） were detected. Serum levels of gastrointestinal hormones and monoamine neurotransmitters were compared between active and remission phase patients in the study group. Serum levels of gastrointestinal hormones and monoamine neurotransmitters were compared between Hp-positive and -negative patients. The relationship between Hp infection and gastrointestinal hormone- and monoamine neurotransmitter-related indexes in patients with ulcerative colitis was assessed by Logistic regression analysis. Results Hp infection rate and VIP level in the study group were lower，whereas the levels of SP，ET，NE，and 5-HT were higher than those in the control group （all P<0.05）. Hp infection rate and VIP level in the active phase group were lower，while the levels of SP，ET，NE，and 5-HT were higher than those in the remission phase group （all P<0.05）. In the study group，the levels of SP，ET，NE and 5-HT in Hp-positive patients were lower，whereas the level of VIP was higher compared with those in Hp-negative counterparts （all P<0.05）. Logistic regression analysis showed that SP，ET，NE and 5-HT were the protective factors for Hp infection in patients with ulcerative colitis （all P<0.05），while elevated level of VIP was the risk factor （P<0.05）. Conclusions In ulcerative colitis patients，there are differences in the levels of gastrointestinal hormones and monoamine neurotransmitters between patients with and without Hp infection. Hp infection may be correlated with the changes in the levels of gastrointestinal hormones and monoamine neurotransmitters.

Published
2024
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24. A comparative study of ultrasound cycloplasty and endoscopic cyclophotocoagulation in the treatment of secondary glaucoma

Author

Wang Ruixue, Ding Wenjun, Jiang Le, Fan Fangfang, Li Ning, Chen Xiaoya, and Li Suyan

Subjects
Medicine, Science
Abstract

Abstract To compare the clinical efficacy of ultrasound cycloplasty (UCP) and endoscopic cyclophotocoagulation (ECP) in the treatment of secondary glaucoma. In a 12-month prospective single-center study, 22 patients with secondary glaucoma were treated by high-intensity focused ultrasound (HIFU), and 23 patients with secondary glaucoma were treated by a semiconductor laser. At the final follow-up, the two groups’ surgical outcomes were compared. A complete success was defined as an intraocular pressure (IOP) reduction of at least 20% from baseline and an IOP of > 5 mmHg and ≦ 21 mmHg, while a qualified success was defined as an IOP reduction of at least 20% from baseline and an IOP of > 5 mmHg. The secondary outcome was the average IOP, number of drugs, and complications at each follow-up compared with the baseline. The average preoperative IOPs in the UCP and ECP groups were 36.4 ± 9.5 mmHg (n = 2.3 drops, n = 0.2 tablets) and 34.5 ± 11.7 mmHg (n = 2.0 drops, n = 0.3 tablets), respectively. In the last follow-up, the success rate of UCP was 54% (with a decrease of 32%) and that of ECP was 65% (with a decrease of 35%), and the P-value between the two groups was > 0.05. However, there was a difference in the average IOP between these two groups 1 day and 1 week after the operation, and the IOP reduction efficiency in the ECP group was better. However, the amount of drug used after these two surgeries was significantly reduced. There were fewer postoperative complications in the UCP group (18 cases) than in the ECP group (35 cases). Both UCP and ECP can effectively reduce IOP in secondary glaucoma, and ECP has a better effect at the early stages. However, UCP has higher safety and tolerance for patients.

Published
2023
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