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Teneligliptin mitigates diabetic cardiomyopathy by inhibiting activation of the NLRP3 inflammasome

World Journal of Diabetes 2024年第4期15卷 724-734页

作者： Gu-Lao Zhang Yuan Liu Yan-feng Liu xian-Tao Huang Yu Tao Zhen-Huan Chen Heng-Li Lai Department of Cardiology Jiangxi Provincial People's HospitalThe First Affiliated Hospital of Nanchang Medical CollegeNanchang 330000Jiangxi ProvinceChina

BACKGROUND Diabetic cardiomyopathy(DCM),which is a complication of diabetes,poses a great threat to public *** studies have confirmed the role of NLRP3(NOD-like receptor protein 3)activation in DCM development through the inflammatory *** is an oral hypoglycemic dipeptidyl peptidase-IV inhibitor used to treat *** has recently been reported to have anti-inflammatory and protective effects on myocardial *** To examine the therapeutic effects of teneligliptin on DCM in diabetic *** Streptozotocin was administered to induce diabetes in mice,followed by treatment with 30 mg/kg *** Marked increases in cardiomyocyte area and cardiac hypertrophy indicator heart weight/tibia length reductions in fractional shortening,ejection fraction,and heart rate;increases in creatine kinase-MB(CK-MB),aspartate transaminase(AST),and lactate dehydrogenase(LDH)levels;and upregulated NADPH oxidase 4 were observed in diabetic mice,all of which were significantly reversed by ***,NLRP3 inflammasome activation and increased release of interleukin-1βin diabetic mice were inhibited by *** mouse cardiomyocytes were treated with high glucose(30 mmol/L)with or without teneligliptin(2.5 or 5μM)for 24 ***3 inflammasome *** in CKMB,AST,and LDH levels in glucose-stimulated cardiomyocytes were markedly inhibited by teneligliptin,and AMP(p-adenosine 5‘-monophosphate)-p-AMPK(activated protein kinase)levels were ***,the beneficial effects of teneligliptin on hyperglycaemia-induced cardiomyocytes were abolished by the AMPK signaling inhibitor compound *** Overall,teneligliptin mitigated DCM by mitigating activation of the NLRP3 inflammasome.

关键词： Diabetic cardiomyopathy Teneligliptin NLRP3 AMPK Interleukin-1β

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Exploration of pathogenic microorganism within the small intestine of necrotizing enterocolitis

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World Journal of Pediatrics 2024年第2期20卷 165-172页

作者： Yan Wang Kun Jiang Qiao Xia Xia Kang shan Wang Ji-Hong Yu Wen-feng Ni Xiao-Qin Qi Ying-Na Zhang Jin-Bao Han Gang Liu Lei Hou Zhi-Chun feng Liu-Ming Huang Clinical Biobank Center Medical Innovation Research Division of ChinesePLA General HospitalBeijingChina Institute of Basic Medical Sciences Chinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina Senior Department of Pediatrics The Seventh Medical Center of PLA General HospitalBeijing 100700China Department of Neurology The First Medical CenterChinese PLA General HospitalBeijing 100853China Department of Emergency Center National Center for Children's HealthBeijing Children's HospitalCapital Medical UniversityBeijing 100045China

Background Necrotizing enterocolitis(NEC)is the most common severe gastrointestinal emergency in *** designed this study to identify the pathogenic microorganisms of NEC in the microbiota of the small intestine of *** Using the 16S ribosomal DNA(rDNA)sequencing method,we compared and analyzed the structure and diversity of microbiotas in the intestinal feces of different groups of neonates:patients undergoing jejunostomy to treat NEC(NP group),neonates undergoing jejunostomy to treat other conditions(NN group),and neonates with NEC undergoing conservative treatment(NC group).We took intestinal feces and saliva samples from patients at different time *** The beta diversities of the NP,NN,and NC groups were all *** comparing the beta diversities between different time points in the NP group,we found similar beta diversities at time points El to E3 but significant differences between the E2-E3 and E4 time points:the abundances of Klebsiella and Enterococcus(Proteobacteria)were higher at the E1-E3 time points;the abundance of Escherichia-Shigella(Proteobacteria)increased at the E2 time point,and the abundance of Klebsiella decreased significantly,whereas that of Streptococcus increased significantly at the E4 time *** Our results suggest that the pathological changes of intestinal necrosis in the small intestine of infants with NEC are not directly caused by excessive proliferation of pathogenic bacteria in the small *** sources of microbiota in the small intestine of neonates,especially in premature infants,may be affected by multiple factors.

关键词： Microbiota Necrotizing enterocolitis-Small intestine 16S rDNA

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农产品加工业集聚、数字经济与流域环境污染

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长江流域资源与环境 2024年第5期33卷 1029-1040页

作者：程莉冯珊重庆工商大学成渝地区双城经济圈建设研究院重庆400067 重庆工商大学经济学院重庆400067 重庆社会科学院生态安全与绿色发展研究中心重庆400020

在系统分析农产品加工业集聚对环境污染的非线性影响及数字经济在其中起到的调节机制基础上,利用2010~2020年长江经济带11个省市的面板数据,运用熵值法和区位熵指数测度了农产品加工业集聚水平、环境污染指数,采用面板固定效应模型实证... 详细信息

在系统分析农产品加工业集聚对环境污染的非线性影响及数字经济在其中起到的调节机制基础上,利用2010~2020年长江经济带11个省市的面板数据,运用熵值法和区位熵指数测度了农产品加工业集聚水平、环境污染指数,采用面板固定效应模型实证检验了农产品加工业集聚对环境污染的影响机制,并进一步检验了数字经济在该影响过程中的调节效应。研究结果表明:农产品加工业集聚与环境污染之间存在显著“倒U型”曲线关系,数字经济在农产品加工业集聚影响环境污染的过程中存在明显的抑制调节作用。区域异质性检验表明,长江中游地区农产品加工业集聚对环境污染的作用处于“倒U型”曲线左侧,即农产品加工业集聚水平的提升正在加剧环境污染,下游地区农产品加工业集聚对环境污染的作用已转移到“倒U型”曲线右侧,即对环境污染产生抑制作用,而上游地区农产品加工业发展仍较薄弱,对环境污染的促增作用尚未显现;长江上游地区数字经济在农产品加工业集聚影响环境污染的过程中发挥着显著的抑制作用,调节效应显著,中下游地区调节效应不显著。鉴于此,应大力发展农产品初、精深加工,加速推进农产品加工业生态化、集约化发展,通过数字化升级推动实现流域生态文明。

关键词：农产品加工业集聚数字经济环境污染调节效应模型

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Hydrogen Peroxide Electrosynthesis in a Strong Acidic Environment Using Cationic Surfactants

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Precision Chemistry 2024年第4期2卷 129-137页

作者： Zachary Adler Xiao Zhang Guangxia feng Yaping Shi Peng Zhu Yang Xia Xiaonan shan Haotian Wang Rice University Department of Chemical and Biomolecular EngineeringHoustonTexas 77005United States University of Houston Department of Electrical and Computer EngineeringHoustonTexas 77004United States

The two-electron oxygen reduction reaction(2e^(−)-ORR)can be exploited for green production of hydrogen peroxide(H_(2)O_(2)),but it still suffers from low selectivity in an acidic electrolyte when using non-noble metal ***,inspired by biology,we demonstrate a strategy that exploits the micellization of surfactant molecules to promote the H_(2)O_(2)selectivity of a low-cost carbon black catalyst in strong acid *** surfactants near the electrode surface increase the oxygen solubility and transportation,and they provide a shielding effect that displaces protons from the electric double layer(EDL).Compared with the case of a pure acidic electrolyte,we find that,when a small number of surfactant molecules were added to the acid,the H_(2)O_(2)Faradaic efficiency(FE)was improved from 12%to 95%H_(2)O_(2)under 200 mA cm^(−2),suggesting an 8-fold *** in situ surface enhanced Raman spectroscopy(SERS)and optical microscopy(OM)studies suggest that,while the added surfactant reduces the electrode’s hydrophobicity,its micelle formation could promote the O_(2) gas transport and its hydrophobic tail could displace local protons under applied negative potentials during catalysis,which are responsible for the improved H_(2)O_(2)selectivity in strong acids.

关键词： electrocatalysis hydrogen peroxide electrosynthesis oxygen reduction reaction interfacial engineering surfactant CTAB

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Integrated network pharmacology and metabolomics to explore the mechanisms of Shenzao dripping pill against chronic myocardial ischemia

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Traditional Medicine Research 2024年第11期9卷 12-26页

作者： Jie-Hui Kuang Tao Hu Lu-Yong Zhang Yu-feng Yao Ming-Hua xian Shu-Mei Wang School of Chinese Materia Medica Guangdong Pharmaceutical UniversityGuangzhou 510006China Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of State Administration of Traditional Chinese Medicine Guangdong Pharmaceutical UniversityGuangzhou 510006China Engineering&Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province Guangdong Pharmaceutical UniversityGuangzhou 510006China Guangzhou Key Laboratory of Construction and Application of New Drug Screening Model Systems Guangdong Pharmaceutical UniversityGuangzhou 510006China Traditional Chinese Medicine Resource Germplasm Bank Management Center Yunfu 527500China.

Background:Shenzao dripping pill(SZDP)is empirically prescribed for treating cardiac ***,there is a lack of comprehensive knowledge regarding the underlying mechanisms contributing to its therapeutic *** objective of this study is to investigate the underlying mechanism of SZDP against chronic myocardial ischemia(CMI)in a rat ***:In this study,we utilized electrocardiographic and echocardiographic detection along with pathological tissue analysis to evaluate the efficacy of *** integration of network pharmacology and metabolomics was conducted to investigate the *** docking and molecular dynamics simulations were used to validate the binding energy between the compounds of SZDP and the associated ***:The results showed that SZDP was able to improve T wave voltage,reverse CMI abnormalities in ejection fraction and fractional shortening,and restore histopathological heart *** results indicated that disturbances of metabolic profile in CMI rats were partly corrected after SZDP administration,mainly affecting purine metabolism.13-Docosenamide may be the potential metabolic biomarker of the therapeutic application of SZDP for *** network pharmacology and metabolomics,thiopurine S-methyltransferase(TPMT),xanthine dehydrogenase/oxidase(XDH),bifunctional purine biosynthesis protein ATIC(ATIC),and cytochrome p4501A1(CYP1A1)were identified as possible targets of SZDP to exert therapeutic effects by enhancing the metabolic levels of L-Tryptophan,Deoxyribose 1-phosphate and Phosphoribosyl ***:SZDP has a therapeutic effect on CMI by regulating metabolite levels,acting on the targets of TMPT,XDH,ATIC,and CYP1A1,and reducing cardiomyocyte injury and myocardial fibrosis.

关键词： chronic myocardial ischemia metabolomics network pharmacology serum metabolites Shenzao dripping pill

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Correlation between serum markers and transjugular intrahepatic portosystemic shunt prognosis in patients with cirrhotic ascites

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World Journal of Gastrointestinal Surgery 2024年第2期16卷 481-490页

作者： Xiao-Gang Hu Xiao-xian Yang Jun Lu Gang Li Jian-Ji Dai Jia-Min Wang Yi Deng Rui feng Department of Interventional Radiology The Affiliated Jinhua HospitalZhejiang University School of MedicineJinhua 321000Zhejiang ProvinceChina Medical College Jinhua PolytechnicJinhua 321017Zhejiang ProvinceChina Department of Interventional Medicine Zhejiang Provincial People’s HospitalPeople’s Hospital of Hangzhou Medical CollegeHangzhou 310000Zhejiang ProvinceChina

BACKGROUND Individuals with refractory ascites in the context of liver cirrhosis typically face an adverse *** transjugular intrahepatic portosystemic shunt(TIPS)is an efficacious intervention,but there is a lack of reliable tools for postoperative pro-gnosis *** utilized clinical biochemical markers,such as the serum albumin concentration(Alb),sodium(Na+)concentration,and serum creatinine(Scr),have limited predictive ***,the quest for novel,specific biomarkers to evaluate the post-TIPS prognosis in patients with liver cirrhosis and refractory ascites holds significant practical importance.A retrospective analysis was conducted on 75 patients with liver cirrhosis and refractory ascites who underwent TIPS at our institution from August 2019 to August *** patients were followed up regularly for two years,and the death toll was meticulously *** patients were allocated into a survival group(n=45 patients)or a deceased group(n=30 patients)based on their prognosis *** clinical data of the two groups were collected,and Child-Pugh scores and MELD scores were calculated for *** correlation analysis was carried out to evaluate the correlation of prognosis with Child-Pugh grade,MELD score,and Cys C ***,a multiple-factor analysis utilizing the Cox proportional hazard model was used to identify independent risk factors affecting the post-TIPS prognosis of patients with liver cirrhosis and refractory *** receiver operating characteristic curve(ROC)ascertained the predictive value of the Cys C concen-tration,Child-Pugh grade,and MELD score for the prognosis of liver cirrhosis with refractory ascites in post-TIPS *** During a 2-year follow-up period,among 75 patients with liver cirrhosis and refractory ascites who underwent TIPS treatment,30 patients(40.00%)passed *** deceased cohort exhibited heightened aspartate aminotrans-ferase,alanine aminotransferase,total b

关键词： Liver cirrhosis Refractory ascites Transjugular intrahepatic portosystemic shunt Cystatin C

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Staging liver fibrosis with various diffusion-weighted magnetic resonance imaging models

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World Journal of Gastroenterology 2024年第9期30卷 1164-1176页

作者： Yan-Li Jiang Juan Li Peng-Fei Zhang feng-xian Fan Jie Zou Pin Yang Peng-Fei Wang Shao-Yu Wang Jing Zhang Department of Magnetic Resonance Imaging The Second Hospital&Clinical Medical SchoolLanzhou UniversityLanzhou 730030Gansu ProvinceChina Second Clinical School Lanzhou UniversityLanzhou 730030Gansu ProvinceChina Gansu Province Clinical Research Center for Functional and Molecular Imaging The Second Hospital&Clinical Medical SchoolLanzhou UniversityLanzhou 730030Gansu ProvinceChina Department of Hepatology The Second Hospital&Clinical Medical SchoolLanzhou UniversityLanzhou 730030Gansu ProvinceChina MR Scientific Marketing Siemens HealthineersXi’an 710065Shaanxi ProvinceChina

BACKGROUND Diffusion-weighted imaging(DWI)has been developed to stage liver ***,its diagnostic performance is inconsistent among ***,it is worth studying the diagnostic value of various diffusion models for liver fibrosis in one *** To evaluate the clinical potential of six diffusion-weighted models in liver fibrosis staging and compare their diagnostic *** This prospective study enrolled 59 patients suspected of liver disease and scheduled for liver biopsy and 17 healthy *** participants underwent multi-b value *** main DWI-derived parameters included Mono-apparent diffusion coefficient(ADC)from mono-exponential DWI,intravoxel incoherent motion model-derived true diffusion coefficient(IVIM-D),diffusion kurtosis imaging-derived apparent diffusivity(DKI-MD),stretched exponential model-derived distributed diffusion coefficient(SEM-DDC),fractional order calculus(FROC)model-derived diffusion coefficient(FROC-D)and FROC model-derived microstructural quantity(FROC-μ),and continuous-time random-walk(CTRW)model-derived anomalous diffusion coefficient(CTRW-D)and CTRW model-derived temporal diffusion heterogeneity index(CTRW-α).The correlations between DWI-derived parameters and fibrosis stages and the parameters’diagnostic efficacy in detecting significant fibrosis(SF)were assessed and *** CTRW-D(r=-0.356),CTRW-α(r=-0.297),DKI-MD(r=-0.297),FROC-D(r=-0.350),FROC-μ(r=-0.321),IVIM-D(r=-0.251),Mono-ADC(r=-0.362),and SEM-DDC(r=-0.263)were significantly correlated with fibrosis *** areas under the ROC curves(AUCs)of the combined index of the six models for distinguishing SF(0.697-0.747)were higher than each of the parameters alone(0.524-0.719).The DWI models’ability to detect SF was *** combined index of CTRW model parameters had the highest AUC(0.747).CONCLUSION The DWI models were similarly valuable in distinguishing SF in patients with liver *** combined index of CTRW paramet

关键词： Liver fibrosis Magnetic resonance imaging Diffusion-weighted magnetic resonance Liver biopsy Significant fibrosis

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Effectiveness and safety of early lens extraction during par plana vitrectomy for proliferative diabetes retinopathy with mild cataract:a randomized clinical trial

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International Journal of Ophthalmology(English edition) 2024年第3期17卷 528-536页

作者： Wei-Bo feng Lei Zheng Ying-Qi Li Yong-Hao Li Guo-Ming Zhang xian Wang Bing-Qian Liu Ling Jin Yi-Nuo Huang Yang-Fan Yang Zi-Dong Chen Da-Hui Ma Qing-shan Chen Chao-Jun Qin Bing-Min feng Zhu-Min Yang Xing Huang Cheng-Jie Yang Sheng-Hui Liu Ming-Xing Wu State Key Laboratory of Ophthalmology Guangdong Provincial Key Laboratory of Ophthalmology and Visual ScienceGuangdong Provincial Clinical Research Center for Ocular DiseasesZhongshan Ophthalmic CenterSun Yat-sen UniversityGuangzhou 510275Guangdong ProvinceChina Shenzhen Eye Hospital Affiliated to Jinan University Shenzhen 518040Guangdong ProvinceChina The Affiliated Hospital of Guizhou Medical University Guiyang 550004Guizhou ProvinceChina Guangzhou Aier Eye Hospital Guangzhou 510000Guangdong ProvinceChina

●AIM:To evaluate the effectiveness and safety of early lens extraction during pars plana vitrectomy(PPV)for proliferative diabetic retinopathy(PDR)compared to those of PPV with subsequent cataract surgery.●METHODS:This multicenter randomized controlled trial was conducted in three Chinese hospitals on patients with PDR,aged>45y,with mild *** participants were randomly assigned to the combined(PPV combined with simultaneously cataract surgery,i.e.,phacovitrectomy)or subsequent(PPV with subsequent cataract surgery 6mo later)group and followed up for *** primary outcome was the change in best-corrected visual acuity(BCVA)from baseline to 6mo,and the secondary outcomes included complication rates and medical expenses.●RESULTS:In total,129 patients with PDR were recruited and equally randomized(66 and 63 in the combined and subsequent groups respectively).The change in BCVA in the combined group[mean,36.90 letters;95%confidence interval(CI),30.35–43.45]was significantly better(adjusted difference,16.43;95%CI,8.77–24.08;P<0.001)than in the subsequent group(mean,22.40 letters;95%CI,15.55–29.24)6mo after the PPV,with no significant difference between the two groups at *** overall surgical risk of two sequential surgeries was significantly higher than that of the combined surgery for neovascular glaucoma(17.65%vs 3.77%,P=0.005).No significant differences were found in the photocoagulation spots,surgical time,and economic expenses between two *** the subsequent group,the duration of work incapacity(22.54±9.11d)was significantly longer(P<0.001)than that of the combined group(12.44±6.48d).●CONCLUSION:PDR patients aged over 45y with mild cataract can also benefit from early lens extraction during PPV with gratifying effectiveness,safety and convenience,compared to sequential surgeries.

关键词： lens extraction pars plana vitrectomy proliferative diabetic retinopathy cataract simultaneously operations

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Changing Characteristics of Comfort Index of Human Body in Bengbu City in the Past 40 Years under the Background of Climate Change

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Meteorological and Environmental Research 2024年第2期15卷 40-43页

作者： Lei shan xian ZHANG Lei TIAN Ranran HE Jingyang CHEN Bengbu Meteorological Bureau Bengbu 233000China Anhui University of Finance and Economics Bengbu 233000China

Based on the daily meteorological data of Bengbu City during 1981-2020,the changing characteristics of three elements needed for the calculation of the comfort index of human body(CIHB)were discussed,and daily CIHB was classified and *** results show that from 1981 to 2020,annual average temperature tended to increase *** average wind speed and relative humidity showed a decreasing trend before 2011 but an increasing trend after *** duration of the four seasons in Bengbu City mainly rose in spring,reduced in winter,declined first and then increased in summer,and rose first and then decreased in *** CIHB was at grades 1 and 9(the most uncomfortable),the three factors had different effects on *** cold weather,the influence of relative humidity and wind speed on CIHB can not be ignored besides *** hot weather,the influence of temperature was dominant,and the change of annual average temperature could well correspond to the change in the number of very hot *** the context of climate warming,the number of cold days tended to decline generally,but it was larger in the years with fewer very cold *** the background of climate warming,there was no obvious change in the number of days of the overall comfort of human *** number of hot days was closely related to the duration of summer,and the number of days of grade 8 rose significantly in the years with an increase in the duration of summer.

关键词： Climate change Human comfort Comfort index of human body(CIHB)

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A seismic elastic moduli module for the measurements of low-frequency wave dispersion and attenuation of fluid-saturated rocks under different pressures

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Petroleum Science 2024年第1期21卷 162-181页

作者： Yan-Xiao He shang-Xu Wang Gen-Yang Tang Chao Sun Hong-Bing Li San-Yi Yuan xian Wei Li-Deng Gan Xiao-feng Dai Qiang Ge Peng-Peng Wei Hui-Qing Zhang National Key Laboratory of Petroleum Resources and Engineering CNPC Key Lab of Geophysical ExplorationCollege of GeophysicsChina University of Petroleum(Beijing)Beijing102249China School of Resources and Geosciences China University of Mining and TechnologyXuzhou221116JiangsuChina Research Institute of Petroleum Exploration and Development CNPCBeijing100083China Beijing Vocational College of Labour and Social Security Beijing100029China PetroChina Dagang Oilfield Exploration and Development Research Institute CNPCTianjin300280China

Knowledge about the seismic elastic modulus dispersion,and associated attenuation,in fluid-saturated rocks is essential for better interpretation of seismic observations taken as part of hydrocarbon identification and time-lapse seismic surveillance of both conventional and unconventional reservoir and overburden performances.A Seismic Elastic Moduli Module has been developed,based on the forced-oscillations method,to experimentally investigate the frequency dependence of Young's modulus and Poisson's ratio,as well as the inferred attenuation,of cylindrical samples under different confining pressure *** with three standard samples showed that the measured elastic moduli were consistent with the published data,indicating that the new apparatus can operate reliably over a wide frequency range of f∈[1-2000,10^(6)]*** Young's modulus and Poisson's ratio of the shale and the tight sandstone samples were measured under axial stress oscillations to assess the frequency-and pressure-dependent *** dry condition,both samples appear to be nearly frequency independent,with weak pressure dependence for the shale and significant pressure dependence for the *** particular,it was found that the tight sandstone with complex pore microstructure exhibited apparent dispersion and attenuation under brine or glycerin saturation conditions,the levels of which were strongly influenced by the increased effective *** addition,the measured Young's moduli results were compared with the theoretical predictions from a scaled poroelastic model with a reasonably good agreement,revealing that the combined fluid flow mechanisms at both mesoscopic and microscopic scales possibly responsible for the measured dispersion.

关键词： Low-frequency measurements Dispersion and attenuation Rock physics Fluid flow

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