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Intelligent representation method of image flatness for cold rolled strip

Journal of Iron and Steel Research International 2024年第5期31卷 1177-1195页

作者： Yang-huan Xu dong-cheng Wang Hong-min Liu Bo-wei Duan National Engineering Research Center for Equipment and Technology of Cold Strip Rolling Yanshan UniversityQinhuangdao066004HebeiChina National Key Laboratory of Metal Forming Technology and Heavy Equipment China National Heavy Machinery Research Institute Co.Ltd.Xi’an710018ShaanxiChina State Key Laboratory of Metastable Materials Science and Technology Yanshan UniversityQinhuangdao066004HebeiChina

Real flatness images are the bases for flatness detection based on machine vision of cold rolled *** characteristics of a real flatness image are analyzed,and a lightweight strip location detection(SLD)model with deep semantic segmentation networks is *** interference areas in the real flatness image can be eliminated by the SLD model,and valid information can be *** this basis,the concept of image flatness is proposed for the first *** image flatness representation(IFAR)model is established on the basis of an autoencoder with a new *** optimal structure of the bottleneck layer is 16×16×4,and the IFAR model exhibits a good representation ***,interpretability analysis of the representation factors is carried out,and the difference and physical meaning of the representation factors for image flatness with different categories are *** flatness with new defect morphologies(bilateral quarter waves and large middle waves)that are not present in the original dataset are generated by modifying the representation factors of the no wave ***,the SLD and IFAR models are used to detect and represent all the real flatness images on the test *** average processing time for a single image is 11.42 ms,which is suitable for industrial *** research results provide effective methods and ideas for intelligent flatness detection technology based on machine vision.

关键词： Cold rolled strip Image flatness Location detection Representation learning Bottleneck layer

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Polyphenol-mediated interfacial deposition strategy for supported manganese oxide catalysts with excellent pollutant degradation performance

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Chinese Chemical Letters 2024年第5期35卷 493-498页

作者： dong cheng Youyou Feng Bingxi Feng Ke Wang Guoxin Song Gen Wang Xiaoli cheng Yonghui Deng Jing Wei The Key Laboratory of Biomedical Information Engineering of Ministry of Education State Key Lab of Transducer TechnologySchool of Life Science and TechnologyXi’an Jiaotong UniversityXi’an 710049China School of Environmental and Municipal Engineering Xi’an University of Architecture and TechnologyXi’an 710055China Department of Chemistry State Key Laboratory of Molecular Engineering of PolymersState Key Laboratory of Transducer TechnologyFudan UniversityShanghai 200433China Key Laboratory of Functional Inorganic Material Chemistry Ministry of EducationSchool of Chemistry and Materials ScienceHeilongjiang UniversityHarbin 150080China

In persulfate-based advanced oxidation process(PS-AOPs),fixing nanosized metal oxide on processable substrates is highly desirable to avoid the aggregation and loss of nanocatalysts during the practical ***,it is still challenging to develop a versatile strategy for the deposition of metal oxide nanocatalysts on various substrates with different physicochemical ***,polyphenols are utilized as a“molecular glue”and reductant to mediate the interfacial deposition of MnO_(2) nanocatalysts on different ***_(2) nanocatalysts were in-situ grown on macroscope mineral substrates(e.g.,airstone)via an interfacial redox strategy between tannic acid(TA)and oxidized KMnO4,and then employed as a fixed catalyst of peroxymonosulfate(PMS)activation for treating pharmaceutical and personal care products(PPCPs)in *** fixed MnO_(2) exhibited superior catalytic performance toward different PPCPS via a singlet oxygen(^(1)O_(2))-dominated nonradical oxidation *** in the secondary effluent of wastewater treatment plants could be effectively removed by a fixed-bed column of the fixed MnO_(2) with long term *** cycle of Mn^(4+)/Mn^(3+)and surface hydroxyl group of the fixed MnO_(2) was proved to be responsible for the activation of *** work provides a new avenue for developing fixed metal oxides for sustainable water treatment.

关键词： Redox strategy Manganese oxides Fixed catalyst Peroxymonosulfate PPCPs

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Alterations in Serum Lipids and Lipoproteins Induced by Neoadjuvant Chemotherapy in Patients with Osteosarcoma around the Knee Joint:A Retrospective Analysis

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当代医学科学（英文） 2024年第4期44卷 741-747页

作者： Su-guo WANG Yong-gang WANG Guo-wei QIAN Li-na TANG Xin ZHOU dong-dong cheng Chen-liang ZHOU Qing-cheng YANG Zan SHEN Gao-zhong HUANG Hong-tao LI Department of General Medicine Shenzhen Third People's Hospital Shenzhen 518112China Department of VIP Clinic Shanghai Jiao Tong University Affiliated Sixth People's HospitalShanghai 200233China Department of Oncology Shanghai Jiao Tong University Affiliated Sixth People's HospitalShanghai 200233China Cancer Research Institute of Jilin University the First Hospital of Jilin UniversityChangchun 130021China Department of Orthopedics Shanghai Jiao Tong University Affiliated Sixth People's HospitalShanghai 200233China Department of VIP Clinic Shanghai Jiao Tong University Affiliated Sixth People's HospitalShanghai 200233China

Objective:To investigate the serum lipid profiles of patients with localized osteosarcoma around the knee joint before and after neoadjuvant ***:After retrospectively screening the data of 742 patients between January 2007 and July 2020,50 patients aged 13 to 39 years with Enneking stage Ⅱ disease were included in the *** lipid levels,including total cholesterol(TC),triglycerides(TG),high-density lipoprotein cholesterol(HDL-C),low-density lipoprotein cholesterol(LDL-C),lipoprotein-α[Lp(a)],and apolipoprotein Al,B,and E(ApoA1,ApoB,and ApoE),and clinicopathological characteristics were collected before and after neoadjuvant ***:The mean levels of TC,TG,and ApoB were significantly increased following neoadjuvant chemotherapy(16％,38％,and 20％,respectively,*** values;P＜0.01).The mean levels of LDL-C and ApoE were also 19％and 16％higher,respectively(P＜0.05).No correlation was found between the pretreatment lipid profile and the histologic response to *** increase in Lp(a)was strongly correlated with the Ki-67 index(R=0.31,P=0.023).Moreover,a trend toward longer disease-free survival(DFS)was observed in patients with decreased TG and increased LDL-C following chemotherapy,although this difference was not statistically significant(P=0.23 and P=0.24,respectively).Conclusion:Significant elevations in serum lipids were observed after neoadjuvant chemotherapy in patients with localized *** was no prognostic significance of pretreatment serum lipid levels on histologic response to neoadjuvant *** scale of increase in serum Lp(a)might have a potential prognostic role in *** with increased LDL-C or reduced TG after chemotherapy seem to exhibit a trend toward favorable DFS.

关键词： neoadjuvant chemotherapy osteosarcoma serum lipids

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Combined use of fly ash and silica to prevent the long-term strength retrogression of oil well cement set and cured at HPHT conditions

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Petroleum Science 2024年第2期21卷 1122-1134页

作者： Guo-dong cheng Xue-Yu Pang Jin-Sheng Sun Zheng-Song Qiu Chuang-Chuang Wang Jian-Kun Qin Ning Li School of Petroleum Engineering China University of Petroleum(East China)Qingdao266580ShandongChina National Key Laboratory of Deep Oil and Gas China University of Petroleum(East China)Qingdao266580ShandongChina Oil and Gas Engineering Research Institute(Tarim Oilfield Company) China National Petroleum CorporationTarim841000XinjiangChina

The long-term strength retrogression of silica-enriched oil well cement poses a significant threat to wellbore integrity in deep and ultra-deep wells, which is a major obstacle for deep petroleum and geothermal energy development. Previous attempts to address this problem has been unsatisfactory because they can only reduce the strength decline rate. This study presents a new solution to this problem by incorporating fly ash to the traditional silica-cement systems. The influences of fly ash and silica on the strength retrogression behavior of oil well cement systems directly set and cured under the condition of 200°C and 50 MPa are investigated. Test results indicate that the slurries containing only silica or fly ash experience severe strength retrogression from 2 to 30 d curing, while the slurries containing both fly ash and silica experience strength enhancement from 2 to 90 d. The strength test results are corroborated by further evidences from permeability tests as well as microstructure analysis of set cement. Composition of set cement evaluated by quantitative X-ray diffraction analyses with partial or no known crystal structure(PONKCS) method and thermogravimetry analyses revealed that the conversion of amorphous C-(A)-S-H to crystalline phases is the primary cause of long-term strength *** addition of fly ash can reduce the initial amount of C-(A)-S-H in the set cement, and its combined use with silica can prevent the crystallization of C-(A)-S-H, which is believed to be the working mechanism of this new admixture in improving long-term strength stability of oil well cement systems.

关键词： Fly ash Long-term strength retrogression High temperature Quantitative X-ray diffraction(QXRD) Partial or no known crystal structure(PONKCS)

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Safety and efficacy of a programmed cell death 1 inhibitor combined with oxaliplatin plus S-1 in patients with Borrmann large type III and IV gastric cancers

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World Journal of Gastrointestinal Oncology 2024年第4期16卷 1281-1295页

作者： Zhe-Han Bao Can Hu Yan-Qiang Zhang Peng-cheng Yu Yi Wang Zhi-Yuan Xu Huan-Ying Fu Xiang-dong cheng Department of Interventional Radiology Zhejiang Cancer HospitalHangzhou 310004Zhejiang ProvinceChina Department of Gastric Surgery Zhejiang Cancer HospitalHangzhou 310022Zhejiang ProvinceChina Department of Colonic Surgery Jinhua Central HospitalJinhua 321000Zhejiang ProvinceChina Department of Breast Surgery Lin’an People’s HospitalHangzhou 311300Zhejiang ProvinceChina

BACKGROUND Gastric cancer(GC)is the fifth most common and the fourth most lethal malignant tumour in the *** patients are already in the advanced stage when they are diagnosed,which also leads to poor overall *** effect of posto-perative adjuvant chemotherapy for advanced GC is unsatisfactory with a high rate of distant metastasis and local *** To investigate the safety and efficacy of a programmed cell death 1(PD-1)inhibitor combined with oxaliplatin and S-1(SOX)in the treatment of Borrmann large type III and IV *** A retrospective analysis(IRB-2022-371)was performed on 89 patients with Borrmann large type III and IV GCs who received neoadjuvant therapy(NAT)from January 2020 to December *** to the different neoadjuvant treatment regimens,the patients were divided into the SOX group(61 patients)and the PD-1+SOX(P-SOX)group(28 patients).RESULTS The pathological response(tumor regression grade 0/1)in the P-SOX group was significantly higher than that in the SOX group(42.86%vs 18.03%,P=0.013).The incidence of ypN0 in the P-SOX group was higher than that in the SOX group(39.29%vs 19.67%,P=0.05).The use of PD-1 inhibitors was an independent factor affecting tumor regression ***,the use of PD-1 did not increase postoperative complications or the adverse effects of *** A PD-1 inhibitor combined with SOX could significantly improve the rate of tumour regression during NAT for patients with Borrmann large type III and IV GCs.

关键词： Neoadjuvant therapy Immunotherapy Gastric cancer Borrmann type Tumor regression grade

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Protective performance of shear stiffening gel-modified foam against ballistic impact:Experimental and numerical study

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Defence Technology（防务技术） 2024年第2期32卷 510-520页

作者： Huan Tu Haowei Yang Pengzhao Xu Zhe Yang Fan Tang cheng dong Yuchao Chen Lei Ren Wenjian Cao chenguang Huang Yacong Guo Yanpeng Wei Key Laboratory for Mechanics in Fluid Solid Coupling Systems Institute of MechanicsChinese Academy of SciencesBeijing 100190China School of Mechanical Engineering Northwestern Polytechnical UniversityXi'an 710072China Xi'an Institute of Electromechanical Information Technology Xi'an 710065China Science and Technology on Transient Impact Laboratory Beijing 102202China School of Engineering Science University of Chinese Academy of SciencesBeijing 100049China

As one of the most widely used personal protective equipment(PPE),body armors play an important role in protecting the human body from the high-velocity impact of bullets or *** body torso and critical organs of the wear may suffer severe behind-armor blunt trauma(BABT)even though the impactor is stopped by the body armor.A type of novel composite material through incorporating shear stiffening gel(STG)into ethylene-vinyl acetate(EVA)foam is developed and used as buffer layers to reduce *** this paper,the protective performance of body armors composed of fabric bulletproof layers and a buffer layer made of foam material is investigated both experimentally and *** effectiveness of STG-modified EVA in damage relief is verified by ballistic *** parallel with the experimental study,numerical simulations are conducted by LS-DYNA®to investigate the dynamic response of each component and capture the key mechanical parameters,which are hardly obtained from field *** fully describe the material behavior under the transient impact,the selected constitutive models take the failure and strain rate effect into consideration.A good agreement between the experimental observations and numerical results is achieved to prove the validity of the modelling *** tests and simulations show that the impact-induced deformation on the human body is significantly reduced by using STG-modified EVA as the buffering *** improvement of protective performance is attributed to better dynamic properties and more outstanding energy absorption capability of the composite foam.

关键词： Ballistic behavior Composite foam Shear stiffening gel Finite element analysis Protective mechanism

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Mechanisms of fracture propagation from multi-cluster using a phase field based HMD coupling model in fractured reservoir

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Petroleum Science 2024年第3期21卷 1829-1851页

作者： Yun-Jin Wang Bo Wang Hang Su Tu Chang Ren-cheng dong Li-Zhe Li Wei-Yu Tang Ting-Xue Jiang Fu-Jian Zhou State Key Laboratory of Petroleum Resources and Engineering China University of Petroleum-BeijingBejing2249China China University of Petroleum-Beijing at Karamay Karamay834000XinjiangChina China National Oil and Gas Exploration and Development Corporation Ltd. Beijing100034China University of Texas at Austin United States SINOPEC Research Institute of Petroleum Engineering Beijing100101China

Natural fractures(NFs)are common in shale and tight reservoirs,where staged multi-cluster fracturing of horizontal wells is a prevalent technique for reservoir *** NFs and stress interference are recognized as significant factors affecting hydraulic fracture(HF)propagation,the combined influence of these factors remains poorly *** address this knowledge gap,a novel coupled hydromechanical-damage(HMD)model based on the phase field method is developed to investigate the propagation of multi-cluster HFs in fractured *** comprehensive energy functional and control functions are established,while incorporating dynamic fluid distribution between multiple perforation clusters and refined changes in rock mechanical parameters during hydraulic *** HMD coupled multi-cluster HF propagation model investigates various scenarios,including single HF and single NF,reservoir heterogeneity,single HF and NF clusters,and multi-cluster HFs with NF *** results show that the HMD coupling model can accurately capture the impact of approach angle(θ),stress difference and cementation strength on the interaction of HF and *** criterion of the open and cross zones is not *** NF angle(a)is not a decisive parameter to discriminate the *** to the relationship between approach angle(θ)and NF angle(a),the contact relationship of HF can be divided into three categories(θ=a,θa).The connected NF can increase the complexity of HF by inducing it to form branch fracture,resulting in a fractal dimension of HF as high as2.1280 at angles of±45°.Inter-fracture interference from the heel to the toe of HF shows the phenomenon of no,strong and weak ***,under the influence of NFs,distant HFs from the injection can become dominant ***,as a gradually increases,inter-fracture stress interference becomes the primary factor influencing HF propagation,gradually superseding the dominance of NF

关键词： HMD coupling Phase field Natural fracture Flow distribution Hydraulic fracturing Inter-fracture interference

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Impact of metabolic syndrome components on clinical outcomes in hypertriglyceridemia-induced acute pancreatitis

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World Journal of Gastroenterology 2024年第35期30卷 3996-4010页

作者： Zhen-Hua Fu Zi-Yue Zhao Yao-Bing Liang dong-Yu cheng Jian-Ming Luo Hai-Xing Jiang Shan-Yu Qin Department of Gastroenterology The First Affiliated Hospital of Guangxi Medical UniversityNanning 530021Guangxi Zhuang Autonomous RegionChina

BACKGROUND The incidence of hypertriglyceridemia(HTG)-induced acute pancreatitis(AP)is steadily increasing in China,becoming the second leading cause of *** complications and outcomes associated with HTG-AP are generally more severe than those seen in AP caused by other ***-AP is closely linked to metabolic dysfunction and frequently coexists with metabolic syndrome or its ***,the impact of metabolic syndrome components on HTGAP clinical outcomes remains *** To investigate the impact of metabolic syndrome component burden on clinical outcomes in *** In this retrospective study of 255 patients diagnosed with HTG-AP at the First Affiliated Hospital of Guangxi Medical University,we collected data on patient demographics,clinical scores,complications,and clinical ***,we analyzed the influence of the presence and number of individual metabolic syndrome components,including obesity,hyperglycemia,hypertension,and low high-density lipoprotein cholesterol(HDL-C),on the aforementioned parameters in HTG-AP *** This study found that metabolic syndrome components were associated with an increased risk of various complications in HTG-AP,with low HDL-C being the most significant risk factor for clinical *** risk of complications increased with the number of metabolic syndrome *** for age and sex,patients with highcomponent metabolic syndrome had significantly higher risks of renal failure[odds ratio(OR)=3.02,95%CI:1.12-8.11)],SAP(OR=5.05,95%CI:2.04-12.49),and intensive care unit admission(OR=6.41,95%CI:2.42-16.97)compared to those without metabolic *** The coexistence of multiple metabolic syndrome components can synergistically worsen the clinical course of HTGAP,making it crucial to monitor these components for effective disease management.

关键词： Hypertriglyceridemia-induced acute pancreatitis Metabolic syndrome High density lipoprotein cholesterol Obesity Hyperglycemia Hypertension Clinical outcomes

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Investigating the Mechanism of Qu Du Qiang Fei 1 Hao Fang Formula against Coronavirus Disease 2019 Based on Network Pharmacology Method

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World Journal of Traditional Chinese Medicine 2024年第1期10卷 93-103页

作者： Yuan-Hua Wang He-Yang Zhou Jin-Yun Ma Gui-Qing Ding Hua Yu Yong-Sheng Jin Xiao-dong cheng Institute of Clinical Immunology Yue-Yang Hospital of Integrative MedicineShanghai University of Traditional Chinese MedicineShanghaiChina School of Pharmacy Naval Medical UniversityShanghaiChina

Objective:Qu Du Qiang Fei 1 Hao Fang(QDQF1)is a novel Chinese herbal medicine formula used to treat coronavirus disease 2019(COVID-19).However,the pharmacological mechanisms of action of QDQF1 remain *** objective of this study was to identify the effective ingredients and biological targets of QDQF1 for COVID-19 *** and Methods:The effective ingredients and mechanisms of action of QDQF1 were analyzed by using network pharmacology methods,which included an analysis of the effective ingredients and corresponding targets,COVID-19-related target acquisition,compound-target network analyses,protein-protein interaction network analysis,Kyoto Encyclopedia of Genes and Genomes(KEGG)and Gene Ontology(GO)enrichment analyses,and molecular docking ***:In total,288 effective QDQF1 ingredients were *** identified 51 core targets from the 148 targets through an overlap between putative QDQF1 targets and COVID-19-related *** key components,including formononetin,kaempferol,luteolin,naringenin,quercetin,and wogonin were identified through component-target network *** functional enrichment analysis of the core targets revealed 1296 items,while KEGG pathway enrichment analysis identified 148 signaling *** central targets(CCL2,CXCL8,IL1B,IL6,MAPK1,MAPK3,MAPK8,STAT3,and TNF)related to the COVID-19 pathway were identified in the KEGG pathway enrichment ***,molecular docking analysis suggested that the docking scores of the six key components to the nine central targets were better than those to ***:QDQF1 may regulate multiple immune-and inflammation-related targets to inhibit the progression of severe acute respiratory syndrome coronavirus 2,and thus,may be suitable for the treatment of COVID-19.

关键词： Coronavirus disease 2019 molecular docking molecular mechanism network pharmacology Qu Du Qiang Fei 1 Hao Fang formula

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An engineered DNA aptamer-based PROTAC for precise therapy of p53-R175H hotspot mutant-driven cancer

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Science Bulletin 2024年第13期69卷 2122-2135页

作者： Lingping Kong Fanlu Meng Ping Zhou Ruixin Ge Xiaoshan Geng Zhihao Yang Guo Li Linlin Zhang Jing Wang Jinfeng Ma cheng dong Jun Zhou Sijin Wu Diansheng Zhong Songbo Xie Department of Medical Oncology Tianjin Medical University General HospitalTianjin 300052China Center for Cell Structure and Function Collaborative Innovation Center of Cell Biology in Universities of ShandongCollege of Life SciencesShandong Normal UniversityJinan 250014China The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics Key Laboratory of Immune Microenvironment and Disease(Ministry of Education)School of Basic Medical SciencesTianjin Medical UniversityTianjin 300070China Tianjin Key Laboratory of Lung Cancer Metastasis and Tumor Microenvironment Lung Cancer InstituteTianjin Medical University General HospitalTianjin 300052China Haihe Laboratory of Cell Ecosystem State Key Laboratory of Medicinal Chemical BiologyCollege of Life SciencesNankai UniversityTianjin 300071China Wisdom Lake Academy of Pharmacy Xi’an Jiaotong-Liverpool UniversitySuzhou 215028China Department of Ophthalmology Tianjin Medical University General HospitalLaboratory of Molecular OphthalmologyTianjin Key Laboratory of Ocular TraumaTianjin Medical UniversityTianjin 300052China

Targeting oncogenic mutant p53 represents an attractive strategy for cancer treatment due to the high frequency of gain-of-function mutations and ectopic expression in various cancer *** extensive efforts,the absence of a druggable active site for small molecules has rendered these mutants therapeutically *** we develop a selective and effective proteolysis-targeting chimera(PROTAC)for p53-R175H,a common hotspot mutant with dominant-negative and oncogenic *** a novel iterative molecular docking-guided post-SELEX(systematic evolution of ligands by exponential enrichment)approach,we rationally engineer a high-performance DNA aptamer with improved affinity and specificity for *** this resulting aptamer as a binder for PROTACs,we successfully developed a selective p53-R175H degrader,named ***53m induces the ubiquitin–protea some-dependent degradation of p53-R175H while sparing wildtype ***,dp53m demonstrates significant antitumor efficacy in p53-R175H-driven cancer cells both in vitro and in vivo,without ***,dp53m significantly and synergistically improves the sensitivity of these cells to cisplatin,a commonly used chemotherapy *** findings provide evidence of the potential therapeutic value of dp53m in p53-R175H-driven cancers.

关键词： P53 Aptamer PROTAC Cancer Drug resistance

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