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Plastid phylogenomics provides new insights into the systematics,diversification,and biogeography of Cymbidium(Orchidaceae)

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Plant Diversity 2024年第4期46卷 448-461页

作者： Hai-Yao Chen Zhi-Rong Zhang Xin Yao Ji-Dong Ya Xiao-Hua jin Lin Wang Lu Lu De-Zhu Li Jun-Bo Yang Wen-Bin Yu Center for Integrative Conservation&Yunnan Key Laboratory for the Conservation of Tropical Rainforests and Asian Elephants Xishuangbanna Tropical Botanical GardenChinese Academy of SciencesMenglaYunnan 666303China University of Chinese Academy of Sciences Huairou DistrictBeijing 101408China Plant Germplasm and Genomics Center Germplasm Bank of Wild SpeciesKunming Institute of BotanyChinese Academy of SciencesKunmingYunnan 650201China State Key Laboratory of Plant Diversity and Specility Crops Institute of BotanyChinese Academy of SciencesHaidian DistrictBeijing 100093China School of Pharmaceutical Sciences Yunnan Key Laboratory of Pharmacology for Natural Productsand Yunnan College of Modern Biomedical IndustryKunming Medical UniversityKunmingYunnan 650500China Southeast Asia Biodiversity Research Institute Chinese Academy of SciencesYezinNay Pyi Taw 05282Myanmar

Cymbidium(Orchidaceae:Epidendroideae),with around 60 species,is widely-distributed across Southeast Asia,providing a nice system for studying the processes that underlie patterns of biodiversity in the ***,phylogenetic relationships of Cymbidium have not been well resolved,hampering investigations of species diversification and the biogeographical history of this *** this study,we construct a plastome phylogeny of 56 Cymbidium species,with four well-resolved major clades,which provides a framework for biogeographical and diversification rate *** dating and biogeographical analyses show that Cymbidium likely originated in the region spanning northern IndoBurma to the eastern Himalayas during the early Miocene(~21.10 Ma).It then rapidly diversified into four major clades in East Asia within approximately a million years during the middle *** *** to the adjacent regions(Borneo,Philippines,and Sulawesi)primarily occurred during the Pliocene-Pleistocene *** analyses indicate that the net diversification rate of Cymbidium has decreased since its origin,and is positively associated with changes in temperature and monsoon *** hydrothermal conditions brought by monsoon intensification in the early Miocene possibly contributed to the initial rapid diversification,after which the net diversification rate was reduced with the cooling climate after the middle *** transition from epiphytic to terrestrial habits may have enabled adaptation to cooler environments and colonization of northern niches,yet without a significant effect on diversification *** study provides new insights into how monsoon activity and temperature changes affected the diversification dynamics of plants in Southeast Asia.

关键词： Cymbidium East Asia Asian monsoons Climate change Biogeographical patterns

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An overview of metal hydroxyfluoride-A novel semiconductor material

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ChemPhysMater 2024年第2期3卷 125-142页

作者： Xingyu Yao Rutao Wang jinbo Zhao Fei Liu Zhidong jin Zhou Wang Fenglong Wang Jiurong Liu Lili Wu Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials Ministry of EducationSchool of Materials Science and EngineeringShandong UniversityJinan250061China School of Materials Science and Engineering Qilu University of Technology(Shandong Academy of Sciences)Jinan 250353China

Semiconductors have been widely used in many high-tech fields such as photo-and electro-catalysis,ion bat-teries,and solar *** addition to the earliest discovered elemental and compound semiconductors,such as monocrystalline silicon and metal oxides,new types of compound semiconductors have been *** them,metal hydroxyfluorides(MOHF)are an emerging type of semiconductor that are easy to synthesize and ***,many of their properties and applications are not well ***,some MOHF materials,such as ZnOHF and CoOHF,have been sufficiently developed,and their applications have been extensively *** review focuses on a new compound semiconductor,MOHF,with ZnOHF and CoOHF as the *** a short introduction to their physical and chemical properties,their common applications are illustrated with several ***,other less-researched MOHF and MOHF-like materials,as well as their applications,are ***,the expectations and development directions of MOHFs are briefly summarized.

关键词： Metal hydroxyfluoride Semiconductor Functionalmaterials Photocatalysts Electrochemistry

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Metabolic landscape of head and neck squamous cell carcinoma informs a novel kynurenine/Siglec-15 axis in immune escape

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Cancer Communications 2024年第6期44卷 670-694页

作者： Xin-Yu Zhang Jian-Bo Shi Shu-Fang jin Rui-Jie Wang Ming-Yu Li Zhi-Yuan Zhang Xi Yang Hai-Long Ma Department of Oral Maxillofacial-Head and Neck Oncology Shanghai Ninth People’s HospitalCollege of StomatologyShanghai Jiao Tong University School of MedicineShanghaiP.R.China National Clinical Research Center for Oral Diseases ShanghaiP.R.China Shanghai Key Laboratory of Stomatology&Shanghai Research Institute of Stomatology ShanghaiP.R.China Department of Second Dental Center Shanghai Ninth People’s HospitalShanghai Jiao Tong University School of MedicineCollege of StomatologyShanghai Jiao Tong UniversityShanghaiP.R.China

Background:Metabolic reprograming and immune escape are two hallmarksof ***,how metabolic disorders drive immune escape in head andneck squamous cell carcinoma(HNSCC)remains ***,the aim ofthe present study was to investigate the metabolic landscape of HNSCC and itsmechanism of driving immune ***:Analysis of paired tumor tissues and adjacent normal tissues from69 HNSCC patients was performed using liquid/gas chromatography-mass spectrometry and *** tumor-promoting function of kynurenine(Kyn)was explored in vitro and in *** downstream target of Kyn wasinvestigated in CD8^(+)T *** regulation of CD8+T cells was investigatedafter Siglec-15 overexpression in *** engineering nanoparticle was establishedto deliver Siglec-15 small interfering RNA(siS15),and its association withimmunotherapy response were *** association between Siglec-15and CD8^(+)programmed cell death 1(PD-1)^(+)T cells was analyzed in a HNSCCpatient ***:A total of 178 metabolites showed significant dysregulation in HNSCC,including carbohydrates,lipids and lipid-like molecules,and amino *** these,amino acid metabolism was the most significantly altered,especiallyKyn,which promoted tumor proliferation and *** addition,most immune checkpoint molecules were upregulated in Kyn-high patientsbased on ***,tumor-derived Kyn was transferredinto CD8^(+)T cells and induced T cell functional exhaustion,and blockingKyn transporters restored its killing *** to the results,mechanistically,Kyn transcriptionally regulated the expression of Siglec-15 via arylhydrocarbon receptor(AhR),and overexpression of Siglec-15 promoted immuneescape by suppressing T cell infiltration and *** AhR in vivoreduced Kyn-mediated Siglec-15 expression and promoted intratumoral CD8^(+)Tcell infiltration and killing ***,a NH_(2)-modified mesoporous silicananoparticle was des

关键词： head and neck squamous cell carcinoma kynurenine Siglec-15 T cell exhaustion untargeted metabolomics

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Sciadopitysin exerts anticancer effects on HepG2 hepatocellular carcinoma cells by regulating reactive oxygen species-mediated signaling pathways

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BIOCELL 2024年第7期48卷 1055-1069页

作者： YAN-NAN LI YUN-HONG XIU YAN-JUN TANG jinG-LONG CAO WEN-SHUANG HOU AN-QI WANG TIAN-ZHU LI CHENG-HAO jin Department of Biochemistry and Molecular Biology Heilongjiang Bayi Agricultural UniversityDaqingChina Hemodialysis Center Daqing Oilfield General HospitalDaqingChina Department of Food Science and Engineering Heilongjiang Bayi Agricultural UniversityDaqingChina Department of Molecular Biology Chifeng UniversityChifengChina National Coarse Cereals Engineering Research Center DaqingChina

Objectives:Sciadopitysin(SP)is aﬂavonoid in Ginkgo biloba that exhibits various pharmacological *** study aimed to investigate its antitumor effects and the underlying molecular mechanism of SP in hepatocellular carcinoma(HCC)***:Network pharmacology was used for target prediction *** Counting Kit-8(CCK-8)assay was used to test the cell *** cytometry was used to test the cell cycle distribution,apoptosis status,and reactive oxygen species(ROS)*** and wound-healing assay was used to test the migration effect of SP on HepG2 *** Blot assay was used to test the expression levels of ***:Network pharmacology analysis results showed that the mitogen-activated protein kinase(MAPK)and other signaling pathways are involved in the SP anti-HCC biological ***-8 assay results demonstrated that SP showed an obvious killing effect on three types of HCC cells and low cytotoxic effect on normal *** Blot andﬂow cytometry results showed that SP regulated MAPK/signal transducer and activator of transcription 3(STAT3)/nuclear factor kappa-B(NF-κB)signaling pathway to induce mitochondrion-dependent apoptosis in HepG2 ***,SP can arrest the G0/G1 phase cell cycle via the protein kinase B(AKT)/p21/p27/cyclin-dependent kinase(CDK)/Cyclin signaling *** healing and transwell assays showed that SP inhibited cell motility and invasion through the AKT/glycogen synthase kinase3β(GSK-3β)/vimentin/β-catenin signaling ***:Theseﬁndings demonstrated that SP induced mitochondrion-dependent apoptosis,arrested cell cycle in the G0/G1 phase,and inhibited cell migration by regulating the ROS-mediated signaling pathway in HepG2 ***,SP could serve as a therapeutic agent for the treatment of human HCC.

关键词： Sciadopitysin Hepatocellular carcinoma Apoptosis Cell cycle Cell migration

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Three-dimensional endoanal ultrasonographic assessment of an anal fistula with and without H_2O_2 enhancement

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World Journal of Gastroenterology 2009年第38期15卷 4810-4815页

作者： Yung Kim young jin Park Department of Surgery Dongguk University Ilsan HospitalDongguk University School of Medicine

AIM： To evaluate the effectiveness of three-dimensional endoanal ultrasound （3D-EAUS） in the assessment of anal fistulae with and without H202 enhancement. METHODS： Sixty-one patients （37 males, aged 17-74 years） with anal fistulae, which were not simple low types, were evaluated by physical examination and 3D-EAUS with and without enhancement. Fistula classification was determined with each modality and compared to operative findings as the reference standard. RESULTS： The accuracy of 3D-EAUS was significantly higher than that of physical examination in detecting the primary tract （84.4% vs 68.7%, P = 0.037） and secondary extension （81.8% vs 62.1%, P = 0.01） and localizing the internal opening （84.2% vs 59.7%, P = 0.004）. A contrast study with H202 detected several more fistula components including two primary suprasphincteric fistula tracks and one supralevator secondary extension, which were not detected on non-contrast study. However, there was no significant difference in accuracy between 3D-EAUS and H202- enhanced 3D-EAUS with respect to classification of the primary tract （84.4% vs 89.1%, P = 0.435） or secondary extension （81.8% vs 86.4%, P = 0.435） or localization of the internal opening （84.2% vs 89.5%, P = 0.406）. CONCLUSION： 3D-EAUS was highly reliable in the diagnosis of an anal fistula. H2O2 enhancement was helpful at times and selective use in difficult cases may be economical and reliable.

关键词： Anal fistula Endoanal ultrasound H2O2enhancement

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Metal-to-insulator transition in oxide semimetals by anion doping

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Interdisciplinary Materials 2024年第3期3卷 358-368页

作者： Haitao Hong Huimin Zhang Shan Lin Jeffrey A.Dhas Binod Paudel Shuai Xu Shengru Chen Ting Cui Yiyan Fan Dongke Rong Qiao jin Zihua Zhu Yingge Du Scott A.Chambers Chen Ge Can Wang Qinghua Zhang Le Wang Kui-juan jin Shuai Dong Er-Jia Guo Beijing National Laboratory for Condensed Matter Physics and Institute of Physics Chinese Academy of SciencesBeijingChina Department of Physics&Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijingChina Key Laboratory of Quantum Materials and Devices of Ministry of Education School of PhysicsSoutheast UniversityNanjingChina Materials Science and Technology Division Oak Ridge National LaboratoryOak RidgeTennesseeUSA Physical and Computational Sciences Directorate Pacific Northwest National LaboratoryRichlandWashingtonUSA School of Chemical Biological and Environmental EngineeringOregon State UniversityCorvallisOregonUSA Beijing Advanced Innovation Center for Materials Genome Engineering Department of Physical ChemistryUniversity of Science and Technology BeijingBeijingChina Environmental Molecular Sciences Laboratory Pacific Northwest National LaboratoryRichlandWashingtonUSA Songshan Lake Materials Laboratory DongguanGuangdongChina

Oxide semimetals exhibiting both nontrivial topological characteristics stand as exemplary parent compounds and multiple degrees of freedom,offering a promise for the realization of novel electronic *** this work,we report the structural and transport phase transition in an oxide semimetal,SrNbO_(3),achieved through effective anion ***,the resistivity increased by more than three orders of magnitude at room temperature upon *** extent of electronic modulation in SrNbO_(3)is strongly correlated with misfit strain,underscoring its phase instability to both chemical doping and crystallographic symmetry *** first-principles calculations,we discern that elevating the level of nitrogen doping induces an upward shift in the conductive bands of SrNbO_(3−δ)N_(δ).Consequently,a transition from a metallic state to an insulating state becomes apparent as the nitrogen concentration reaches a threshold of 1/*** investigation shows effective anion engineering in oxide semimetals,offering pathways for manipulating their physical properties.

关键词： anion doping metal-to-insulator transition oxide semimetal phase transition

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Medicinal chemistry strategies towards the development of non-covalent SARS-CoV-2 Mpro inhibitors

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Acta Pharmaceutica Sinica B 2024年第1期14卷 87-109页

作者： Letian Song Shenghua Gao Bing Ye Mianling Yang Yusen Cheng Dongwei Kang Fan Yi jin-Peng Sun Luis Menéndez-Arias Johan Neyts Xinyong Liu Peng Zhan Department of Medicinal Chemistry Key Laboratory of Chemical Biology(Ministry of Education)School of Pharmaceutical SciencesCheeloo College of MedicineShandong UniversityJinan 250012China Shenzhen Research Institute of Shandong University Shenzhen 518057China The Key Laboratory of Infection and Immunity of Shandong Province Department of PharmacologySchool of Basic Medical SciencesShandong UniversityJinan 250012China Key Laboratory Experimental Teratology of the Ministry of Education Department of Biochemistry and Molecular BiologySchool of Basic Medical SciencesCheeloo College of MedicineShandong UniversityJinan 250012China Centro de Biologı´a Molecular“Severo Ochoa”(Consejo Superior de Investigaciones Cientı´ficas&Autonomous University of Madrid) Madrid 28049Spain KU Leuven Department of Microbiology and ImmunologyRega Institute for Medical ResearchLaboratory of Virology and ChemotherapyLeuven 3000Belgium

The main protease(M^(pro))of SARS-CoV-2 is an attractive target in anti-COVID-19 therapy for its high conservation and major role in the virus life *** covalent M^(pro)inhibitor nirmatrelvir(in combination with ritonavir,a pharmacokinetic enhancer)and the non-covalent inhibitor ensitrelvir have shown efficacy in clinical trials and have been approved for therapeutic *** antiviral drugs are needed to fight the pandemic,while non-covalent M^(pro)inhibitors could be promising alternatives due to their high selectivity and favorable *** non-covalent M^(pro)inhibitors with desirable properties have been developed based on available crystal structures of M^(pro).In this article,we describe medicinal chemistry strategies applied for the discovery and optimization of non-covalent M^(pro)inhibitors,followed by a general overview and critical analysis of the available *** viewpoints and insights into current strategies for the development of non-covalent M^(pro)inhibitors are also discussed.

关键词： COVID-19 SARS-CoV-2 Main protease Non-covalent inhibitors Medicinal chemistry strategies

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Effect of silicon carbide-based iron catalyst on reactor optimization for non-oxidative direct conversion of methane

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Journal of Energy Chemistry 2023年第6期81卷 519-532,I0012页

作者： Eun-hae Sim Sung Woo Lee jin Ju Lee Seung Ju Han Jung Ho Shin Gracia Lee Sungrok ko Kwan-young Lee Yong Tae Kim C1 Gas&Carbon Convergent Research Center Korea Research Institute of Chemical TechnologyDaejeon 34114Republic of Korea Department of Chemical and Biological Engineering Korea University145 Anam-roSeoul 02841Republic of Korea Department of Chemical and Biomolecular Engineering Yonsei University50 Yonsei-roSeoul 03722Republic of Korea Chemical Data-Driven Research Center Korea Research Institute of Chemical TechnologyDaejeon 34114Republic of Korea Prospective Tech.Exploring Section Basic Chemical R&D centerLottechemical Corp.Daejeon 34059Republic of Korea Department of Advanced Materials and Chemical Engineering University of Science and Technology(UST)Gajeong-dongYuseongDaejeon 34113Republic of Korea

The conversion of methane to olefins,aromatics,and hydrogen(MTOAH)can be used to stably obtain hydrocarbons when the effect of the catalytic surface is optimized from the reaction engineering *** this study,Fe/Si C catalysts were packed into a quartz tube *** catalytic surfaces of Si C and the impregnated Fe species decreased the apparent activation energies(E_a)of methane consumption in the blank reactor between 965 and 1020℃.Consequently,the hydrocarbon yield increased by 2.4times at 1020℃.Based on the model reactions of ethane,ethylene,and acetylene mixed with hydrogen in the range of 500-1020℃,an excess amount of Fe in the reactor favored the C-C coupling reaction over the selective hydrogenation of acetylene;consequently,coke formation was favored over the hydrogenation *** gas-phase reactions and catalyst properties were optimized to increase hydrocarbon yields while reducing coke *** 0.2Fe catalyst-packed reactor(0.26 wt%Fe)resulted in a hydrocarbon yield of 7.1%and a coke selectivity of<2%when the ratio of the void space of the postcatalyst zone to the catalyst space was adjusted to be≥*** on these findings,the facile approach of decoupling the reaction zone between the catalyst surface and the gas-phase reaction can provide insights into catalytic reactor design,thereby facilitating the scale-up from the laboratory to the commercial scale.

关键词： Non-oxidative methane conversion Ethylene Aromatic Methane pyrolysis Fe/SiC Coke resistance Catalytic reactor

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Associations between the use of red yeast rice preparations and adverse health outcomes:An umbrella review of meta-analyses of randomized controlled trials

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Journal of Integrative Medicine 2024年第2期22卷 126-136页

作者： Zhen-yu Ma Shu-ping Yang Ying Li Tian-tian Xu Ya-lin Yang Hui-yong Yang Heng-bing Li Le-jin Zhou Yong Diao Su-yun Li School of Medicine Huaqiao UniversityQuanzhou 362021Fujian ProvinceChina College of Traditional Chinese Medicine Shandong University of Traditional Chinese MedicineJinan 250355Shandong ProvinceChina Second Clinical Medical College Nanjing Medical UniversityNanjing 211166Jiangsu ProvinceChina

Background:Red yeast rice(RYR),a natural lipid-lowering agent,is widely used in clinical ***,the existing meta-analyses concerning the safety of RYR preparations have yielded inconsistent results,and the credibility of the evidence has not been ***:This study was designed to evaluate the existing evidence and offer a comprehensive understanding of the associations between the use of RYR preparations and various adverse health *** strategy:Seven literature databases were searched from inception to May 5,2023,using medical subject headings and free-text terms(e.g.,“red yeast rice,”“Xuezhikang,”and“Zhibitai”).Inclusion criteria:Meta-analyses that investigated and quantitatively estimated associations between the use of RYR preparations and adverse health outcomes were included in this *** extraction and analysis:Two researchers independently extracted data using a standardized data collection table;any disagreements were resolved by consulting a third *** on the participant,intervention,comparator and outcome(PICO)framework in each eligible meta-analysis,a series of unique associations between the use of RYR preparations and adverse health outcomes were *** associations’effect estimates were re-evaluated using random-effect ***:Fifteen meta-analyses,comprising 186(164 unique)randomized controlled trials,were *** on A Mea Surement Tool to Assess Systematic Reviews version 2,3(20%)and 12(80%)of these meta-analyses had low and critically low confidence,respectively.A total of 61 unique associations between the use of RYR preparations and adverse health outcomes were extracted from eligible *** on the random-effect models,10(16.4%)associations indicated a significant protective effect of RYR preparations against adverse health outcomes,while 5(8.2%)indicated an increased risk of adverse health outcomes related to uric acid,alanine transaminase and aspartate trans

关键词： Red yeast rice Safety Adverse health outcomes Umbrella review Meta-analysis Systematic review

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Fourier-domain-compressed optical time-stretch quantitative phase imaging flow cytometry

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Photonics Research 2024年第8期12卷 1627-1639页

作者： RUBING LI YUEYUN WENG SHUBIN WEI SIYUAN LIN jin HUANG CONGKUAN SONG HUI SHEN jinXUAN HOU YU XU LIYE MEI DU WANG YUJIE ZOU TAILANG YIN FULING ZHOU QING GENG SHENG LIU CHENG LEI Institute of Technological Sciences Wuhan UniversityWuhan 430072China School of Power and Mechanical Engineering Wuhan UniversityWuhan 430072China Department of Thoracic Surgery Renmin HospitalWuhan UniversityWuhan 430060China Department of Hematology Zhongnan HospitalWuhan UniversityWuhan 430071China Department of Thyroid and Breast Surgery Zhongnan HospitalWuhan UniversityWuhan 430071China Department of Radiation and Medical Oncology Zhongnan HospitalWuhan UniversityWuhan 430071China School of Computer Science Hubei University of TechnologyWuhan 430068China Reproductive Medical Center Renmin HospitalWuhan UniversityWuhan 430060China Suzhou Institute of Wuhan University Suzhou 215000China Shenzhen Institute of Wuhan University Shenzhen 518057China

Optical time-stretch(OTS)imaging flow cytometry offers a promising solution for high-throughput and highprecision cell analysis due to its capabilities of high-speed,high-quality,and continuous *** sensing(CS)makes it practically applicable by significantly reducing the data volume while maintaining its highspeed and high-quality imaging *** enrich the information of the images acquired with CS-equipped OTS imaging flow cytometry,in this work we propose and experimentally demonstrate Fourier-domaincompressed OTS quantitative phase imaging flow *** is capable of acquiring intensity and quantitative phase images of cells simultaneously from the compressed *** evaluate the performance of our method,static microparticles and a corn root cross section are experimentally measured under various compression ***,to show how our method can be applied in practice,we utilize it in the drug response analysis of breast cancer *** results show that our method can acquire high-quality intensity and quantitative phase images of flowing cells at a flowing speed of 1 m/s and a compression ratio of 30%.Combined with machine-learning-based image analysis,it can distinguish drug-treated and drug-untreated cells with an accuracy of over 95%.We believe our method can facilitate cell analysis in both scientific research and clinical settings where both high-throughput and high-content cell analysis is required.

关键词： flow stretch phase

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