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Overview of CSNS tantalum cladded tungsten solid Target-1 and Target-2
Shaohong Wei,Ruiqiang Zhang,Quan Ji,Changfeng Li,Bin Zhou,Youlian Lu,Jun Xu,Ke Zhou,Chongguang Zhao,Ning He,Wen Yin,Tianjiao Liang 한국원자력학회 2022 Nuclear Engineering and Technology Vol.54 No.5
A solid tungsten target was used at the China Spallation Neutron Source (CSNS) with 100 kW protonbeam power. To improve the lifetime, hot isostatic pressing (HIP) process was selected to bond tantalumcladding with tungsten plates. Radioactive isotope 182Ta, an activation product of tantalum, was found inthe cooling water after a period of operation, however, no radioactive isotopes of 187W was found, whichshows the tantalum layer remained mostly intact. The CSNS Target-1 had been operating safely for threeyears and was replaced by Target-2 in August 2020
PROXIMAL AUGMENTED LAGRANGIAN AND APPROXIMATE OPTIMAL SOLUTIONS IN NONLINEAR PROGRAMMING
Chen, Zhe,Huang, Hai Qiao,Zhao, Ke Quan The Korean Society for Computational and Applied M 2009 Journal of applied mathematics & informatics Vol.27 No.1
In this paper, we introduce some approximate optimal solutions and an augmented Lagrangian function in nonlinear programming, establish dual function and dual problem based on the augmented Lagrangian function, discuss the relationship between the approximate optimal solutions of augmented Lagrangian problem and that of primal problem, obtain approximate KKT necessary optimality condition of the augmented Lagrangian problem, prove that the approximate stationary points of augmented Lagrangian problem converge to that of the original problem. Our results improve and generalize some known results.
Proximal Augmented Lagrangian and Approximate Optimal Solutions in Nonlinear Programming
Zhe Chen,Hai Qiao Huang,Ke Quan Zhao 한국전산응용수학회 2009 Journal of applied mathematics & informatics Vol.27 No.1
In this paper, we introduce some approximate optimal solutions and an augmented Lagrangian function in nonlinear programming, establish dual function and dual problem based on the augmented Lagrangian function , discuss the relationship between the approximate optimal solutions of augmented Lagrangian problem and that of primal problem, obtain approximate KKT necessary optimality condition of the augmented Lagrangian problem, prove that the approximate stationary points of augmented Lagrangian problem converge to that of the original problem. Our results improve and generalize some known results. In this paper, we introduce some approximate optimal solutions and an augmented Lagrangian function in nonlinear programming, establish dual function and dual problem based on the augmented Lagrangian function , discuss the relationship between the approximate optimal solutions of augmented Lagrangian problem and that of primal problem, obtain approximate KKT necessary optimality condition of the augmented Lagrangian problem, prove that the approximate stationary points of augmented Lagrangian problem converge to that of the original problem. Our results improve and generalize some known results.
Percutaneous catheter drainage for abscess after surgery
Wen-Bo Zhu,Xiao-Hui Zhao,Hai-Liang Li,Chen-Yang Guo,Quan-Jun Yao,Xiang Geng,Ke Zhao,Hong-Tao Hu 소화기인터벤션의학회 2022 Gastrointestinal Intervention Vol.11 No.4
Percutaneous abscess drainage (PAD) has been proven to be a safe, effective, and widely used technique for the treatment of patients with abscesses after gastrointestinal surgery. The indications for PAD are expanding and most postoperative abscesses of the gastrointestinal tract are susceptible to PAD. PAD uses various imaging methods, including ultrasound, computed tomography, and several safe and reliable catheter insertion methods.
Percutaneous catheter drainage for abscess after surgery
Wen-Bo Zhu,Xiao-Hui Zhao,Hai-Liang Li,Chen-Yang Guo,Quan-Jun Yao,Xiang Geng,Ke Zhao,Hong-Tao Hu 소화기인터벤션의학회 2022 International journal of gastrointestinal interven Vol.11 No.4
Percutaneous abscess drainage (PAD) has been proven to be a safe, effective, and widely used technique for the treatment of patients with abscesses after gastrointestinal surgery. The indications for PAD are expanding and most postoperative abscesses of the gastrointestinal tract are susceptible to PAD. PAD uses various imaging methods, including ultrasound, computed tomography, and several safe and reliable catheter insertion methods.
hARIP2 is a Putative Growth-promoting Factor Involved in Human Colon Tumorigenesis
Gao, Rui-Feng,Li, Zhan-Dong,Jiang, Jing,Yang, Li-Hua,Zhu, Ke-Tong,Lin, Rui-Xin,Li, Hao,Zhao, Quan,Zhang, Nai-Sheng Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.20
Activin is a multifunctional growth and differentiation factor of the growth factor-beta (TGF-${\beta}$) superfamily, which inhibits the proliferation of colon cancer cells. It induces phosphorylation of intracellular signaling molecules (Smads) by interacting with its type I and type II receptors. Previous studies showed that human activin receptor-interacting protein 2 (hARIP2) can reduce activin signaling by interacting with activin type II receptors; however, the activity of hARIP2 in colon cancer has yet to be detailed. In vitro, overexpression of hARIP2 reduced activin-induced transcriptional activity and enhanced cell proliferation and colony formation in human colon cancer HCT8 cells and SW620 cells. Also, hARIP2 promoted colon cancer cell apoptosis, suggesting that a vital role in the initial stage of colon carcinogenesis. In vivo, immunohistochemistry revealed that hARIP2 was expressed more frequently and much more intensely in malignant colon tissues than in controls. These results indicate that hARIP2 is involved in human colon tumorigenesis and could be a predictive maker for colon carcinoma aggressiveness.