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Scope and caveats:Artificial intelligence in gastroenterology

Artificial Intelligence in Gastroenterology 2024年第1期5卷 9-13页

作者： Gumpeny Ramachandra sridhar Atmakuri V Siva Prasad Gumpeny Lakshmi Department of Endocrinology and Diabetes Endocrine and Diabetes CentreVisakhapatnam 530002India Department of Gastroenterology Institute of GastroenterologyVisakhapatnam 530003India Department of Internal Medicine Gayatri Vidya Parishad Institute of Healthcare&Medical TechnologyVisakhapatnam 530048India

The use of Artificial intelligence(AI)has evolved from its mid-20th century origins to playing a pivotal tool in modern *** leverages digital data and computational hardware for diverse applications,including diagnosis,prognosis,and treatment responses in gastrointestinal and hepatic *** has had an impact in diagnostic techniques,particularly endoscopy,ultrasound,and *** encompasses machine learning,natural language processing,and robotics,with machine learning being *** involves sophisticated algorithms capable of managing complex datasets,far surpassing traditional statistical *** algorithms,both supervised and unsupervised,are integral for interpreting large *** liver diseases,AI's non-invasive diagnostic applications,particularly in non-alcoholic fatty liver disease,and its role in characterizing hepatic lesions is *** aids in distinguishing between normal and cirrhotic livers and improves the accuracy of lesion characterization and prognostication of hepatocellular *** enhances lesion identification during endoscopy,showing potential in the diagnosis and management of early-stage esophageal *** peptic ulcer disease,AI technologies influence patient management *** is useful in colonoscopy,particularly in detecting smaller colonic ***,its applicability in nonacademic settings requires further *** these issues is vital for harnessing the potential of *** conclusion,while AI offers transformative possibilities in gastroenterology,careful integration and balancing of technical possibilities with ethical and practical application,is essential for optimal use.

关键词： Machine learning Neural networks Diagnosis Work-flow Ethics Image Polyps Hepatoma

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Petrographical and mineral chemistry evidence to delineate the source/sources of the Central Indian Ocean Basin pumices

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Acta Oceanologica Sinica 2023年第5期42卷 102-116页

作者： Niyati G.Kalangutkar sridhar D.Iyer School of Earth Ocean and Atmospheric SciencesGoa UniversityTaleigao PlateauGoa 403206India Formerly with CSIR-National Institute of Oceanography Dona PaulaGoa 403004India

We present data pertaining to mineral assemblages and composition of the Central Indian Ocean Basin(CIOB)*** groups of pumices were identified considering the presence of phenocrysts of plagioclase,clinopyroxene,orthopyroxene,hornblende and biotite together with the occurrence of quartz and ***,fayalite and ulvospinelare reported for the first time from these *** the eight groups,the modal percentage of the constituents are phenocrysts 3%to 19%(avg 9.6%),silicic glass 33%to 54%(avg 43%)and the rest is *** on the above factors we have identified the possible sources of the CIOB *** mineral compositions of plagioclase,pyroxenes,and biotite of the CIOB pumices were compared with those of Krakatau and *** of the plagioclase and pyroxene compositions resemble the Haranggoal Dacite Tuff of Toba and *** the mineral assemblages and compositions,there are pumices which do not correlate to any of the above eruptions and are probably from yet unidentified source/*** sources could either be from nearby terrestrial volcanoes or intraplate seamounts present in the *** a global context,it is viable that petrological characteristics could be used as initial criteria to determine the source of pumices that occur at abyssal depths in the world ocean.

关键词： CIOB pumice petrography mineral chemistry Indonesian Arc intraplate volcanism

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Equivalent protection factor of bi-layer ceramic metal structures

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Defence Technology（防务技术） 2022年第3期18卷 384-400页

作者： Govind Gour sridhar Idapalapati Wei Liang Goh Xiao-peng Shi School of Mechanical&Aerospace Engineering Nanyang Technological University50 Nanyang AvenueSingapore639798Singapore School of Materials Science&Engineering Nanyang Technological University50 Nanyang AvenueSingapore639798Singapore

With increasing ballistic threat levels,there is ever more demand on developing ceramic armor designs with improved *** paper presents finite element simulations that investigate the performance of silicon carbide ceramic with steel 4340 backing material and titanium alloy,graphite as buffer layers when subjected to normal and oblique impacts by a tungsten alloy long rod projectile(LRP).Depth of penetration from experimental measurements is compared with simulations to confirm the validity of constitutive,failure model *** alloy cover plate and graphite interface weak layer laterally spread the impact shock away from the SiC tile and reduces the amplification of the stress accumulation at the front surface of the SiC *** dwelling time increases before it penetrates into ceramic ***,using AUTODYN®numerical simulations detailed parametric study is carried out to identify the minimum areal density armor for a given ballistic limit *** equivalent protection factor for the bi-layer armor is a simple function of the cosine of the angle of impact.

关键词： Ceramic armor Normal and NATO 60⁰impact Ballistic limit velocity Equivalent protection factor(EPF)

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Integrated water vapor during active and break spells of monsoon and its relationship with temperature,precipitation and precipitation efficiency over a tropical site

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Geodesy and Geodynamics 2022年第3期13卷 238-246页

作者： Nirmala Bai Jadala Miriyala sridhar Gopa Dutta Mohammed Yousuf Y.K.Reddy Department of ECE Koneru Lakshmaiah Education FoundationVaddeswaramGuntur Dt522502A.PIndia Vignana Bharathi Institute of Technology GhatkesarMedchal DtTelangana501301India India Meteorological Department HyderabadTelangana500016India

Global Positioning System(GPS)measurements of integrated water vapor(IWV)for two years(2014 and 2015)are presented in this *** of IWV during active and break spells of Indian summer monsoon has been studied for a tropical station Hyderabad(17.4°N,78.46°E).The data is validated with ECMWF Re-Analysis(ERA)91 level *** of IWV with other atmospheric variables like surface temperature,rain,and precipitation efficiency have been established through cross-correlation studies.A positive correlation coefficient is observed between IWV and surface temperature over two *** the coefficient becomes negative when only summer monsoon months(June,July,August,and September)are *** during these months cools down the surface and could be the reason for this change in the correlation *** studies between IWV-precipitation,IWVprecipitation efficiency(P.E),and precipitation-P.E show that coefficients are-0.05,-0.10 and 0.983 with 95%confidence level respectively,which proves that the efficacy of rain does not depend only on the level of water vapor.A proper dynamic mechanism is necessary to convert water vapor into the *** diurnal variations of IWV during active and break spells have been *** amplitudes of diurnal oscillation and its harmonics of individual spell do not show clear trends but the mean amplitudes of the break spells are approximately double than those of the active *** amplitudes of diurnal,semidiurnal and ter-diurnal components during break spells are 1.08 kg/m^(2),0.52 kg/m;and 0.34 kg/m;*** corresponding amplitudes during active spells are 0.68 kg/m^(2),0.41 kg/m;and 0.23 kg/m;.

关键词： Precipitation efficiency Diurnal oscillation Integrated water vapor Tropical site Break spells of monsoon Active spells of monsoon

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Synthesizing an inorganic-rich solid electrolyte interphase by tailoring solvent chemistry in carbonate electrolyte for enabling high-voltage lithium metal batteries

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Journal of Energy Chemistry 2023年第7期82卷 475-483,I0010页

作者： Qiwen Ran Hongyuan Zhao Jintao Liu Lei Li Qiang Hu Fuquan Nie Xingquan Liu sridhar Kormarneni School of Materials and Energy University of Electronic Science and Technology of ChinaChengdu 610054SichuanChina Department of Ecosystem Science and Management and Materials Research Institute 204 Energy and the Environment LaboratoryThe Pennsylvania State UniversityUniversity ParkPA 16802USA Research Center for Electrochemistry and Energy Engineering Henan Institute of Science and TechnologyXinxiang 453003HenanChina

High-voltage(>4.0 V)lithium metal battery(LBM)is considered to be one of the most promising candidates for next-generation high-energy ***,the commercial carbonate electrolyte delivers a poor compatibility with Li metal anode,and its organic dominated solid electrolyte interphase(SEI)shows a low interfacial energy and a slow Li^(+)diffusion *** this work,an inorganic LiF-Li_(3)N rich SEI is designed to enable high-voltage LBM by introducing nano-cubic LiF and LiNO_(3)into1 M LiPF_(6)ethylene carbonate(EC)/dimethyl carbonate(DMC)(v:v=1:1)***,the unique nano-cubic structure of as-synthetized LiF particles achieves its high concentration dissolution in carbonate electrolyte to enhance the interfacial energy of *** addition,tetramethylene sulfolane(TMS)is used as a carrier solvent to dissolve LiNO_(3)in the carbonate electrolyte,thereby deriving a Li_(3)N-rich *** a result,the as-designed electrolyte shows a high average Li plating/striping CE of 98.3%after 100 cycles at 0.5 m A cm^(-2)/0.5 mA h cm^(-2).Furthermore,it also enables the ultrathin Li(~50μm)‖LiNi_(0.8)Co_(0.1)Mn_(0.1)O_(2)(NCM,4.4 mA h cm^(-2))full cell to deliver a high-capacity retention of 80.4%after 100 cycles with an outstanding average CE of 99.7%.Notably,the practical application prospect of the modified electrolyte is also estimated in LiNi_(0.8)Co_(0.1)Mn_(0.1)O_(2)‖Li pouch cell with an energy density of 261.2 W h kg^(-1).This work sheds light on the internal mechanism of Li^(+)transport within the inorganic dominated SEI and provides a simple approach to stabilize the high-voltage LMBs.

关键词： Li metal battery Carbonate electrolyte Nano-cubic LiF LiNO_(3) Tetramethylene sulfolane

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Spatial variability of soil hydraulic and physical properties in erosive sloping agricultural fields

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Water Science and Engineering 2023年第1期16卷 57-66页

作者： Deepak Singh Alok Kumar Mishra sridhar Patra Sankar Mariappan Nisha Singh Saswat Kumar Kar ICAR-Indian Institute of Soil and Water Conservation Dehradun 248195India Sam Higginbottom University of Agriculture Technology and SciencesPrayagraj 211007India Hemvati Nandan Bahuguna Garhwal University Srinagar(Garhwal)246174India

It is essential to minimize soil quality degradation in sloping agricultural fields through stabilization and improvement of soil hydraulic properties using sustainable soil *** study aimed to analyze the impact of different tillage practices,including conventional tillage(CT),minimum tillage(MT),and zero tillage(ZT),on soil hydraulic conductivity in a sloping agricultural field under maizeewheat *** results showed that the highest runoff volume(257.40 m3),runoff coefficient(42.84%),and soil loss(11.3 t)were observed when the CT treatment was *** contrast,the lowest runoff volume(67.95 m3),runoff coefficient(11.35%),and soil loss(1.05 t)were observed when the ZT treatment was *** soil organic carbon and aggregate mean weight diameter were found to be significantly greater(with mean values of 0.79%and 1.19 mm,respectively)with the ZT treatment than with the CT *** the tilled treatments(CT and MT),substantial changes in the saturated soil hydraulic conductivity(ks),near-saturated soil hydraulic conductivity(k),and water-conducting porosity(ε)were observed between two crop *** three soil parameters were significantly higher in the period after maize harvesting than in the wheat growing *** contrast,no significant difference in these soil parameters was found when the untilled treatment(ZT)was carried *** regard to the slope positions,ks,k,andεshowed different behaviors under different *** toe slope position showed significantly lower ks andεvalues than the summit and middle slope *** the evaluated tillage practices,ZT was found to be the most promising means to improve the soil hydro-physical properties and effectively reduce surface runoff and soil erosion.

关键词： Hydraulic conductivity Macropore Conservation tillage Spatiotemporal variability Soil erosion

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Stable lithium metal anode enabled by a robust artificial fluorinated hybrid interphase

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能源化学:英文版 2023年第8期83卷 612-621,I0014页

作者： Qiwen Ran Hongyuan Zhao Jintao Liu Lei Li Qiang Hu Jiangxuan Song Xingquan Liu sridhar Kormarneni School of Materials and Energy University of Electronic Science and Technology of ChinaChengdu 610054SichuanChina Departmentof Ecosystem Science and Management and Materials Research Institute 204 Energy and theEnvironment LaboratoryThePennsylvania State University University ParkPA 16802USA State Key Laboratory for Mechanical Behavior of Materials Shaanxi International Research Center for Soft MatterXi'an Jiaotong UniversityXi'an 710049ShaanxiChina Research Center for Electrochemistry and Energy Engineering Henan Institute of Science and TechnologyXinxiang 453003HenanChina

One of the key challenges for achieving stable lithium(Li) metal anode is the construction of the rational solid electrolyte interphase(SEI),but its realization still faces enormous *** this work,a robust artificial fluorinated hybrid interphase consisting of lithium-bismuth(Li3Bi) alloy and lithium-fluoride(LiF) was designed to regulate Li deposition without Li dendrite *** obtained hybrid interphase showed the high Li+diffusion rate(3.5 × 10^(-4)S cm^(-1)),high electron resistivity(9.04 × 10^(4)Ω cm),and high mechanical strength(1348 MPa),thus enabling the uniform Li deposition at the Li/SEI ***,Li3Bi alloy,as a superionic conductor,accelerated the Li+transport and stabilized the hybrid ***,LiF was identified as a superior electron-blocker to inhibit the electron tunneling from the Li anode into the *** a result,the modified Li anode showed the stable Li plating/stripping behaviors over 1000 cycles even at 20 mA cm^(-2).Moreover,it also enabled the Li(50 μm)‖LiNi_(0.8)Co_(0.1)Mn_(0.1)O_(2)(4.4 mA h cm^(-2)) full cell to achieve an average Coulombic efficiency(CE) of 99.6%and a high-capacity retention of 79.2% after 100 cycles,whereas the bare Li anode only exhibited a low-capacity retention of 8.0%.This work sheds light on the internal mechanism of Li+transport within the hybrid interface and provides an effective approach to stabilize the interface of Li metal anode.

关键词： Li metal anode Artificial interphase Li,Bi alloy LiF Uniform Li deposition

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Rural implementation of the perioperative surgical home:A case-control study

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World Journal of Orthopedics 2023年第3期14卷 123-135页

作者： Srinivasan sridhar Amy Mouat-Hunter Bernadette McCrory Center for Health Outcomes and Policy Evaluation College of Public HealthThe Ohio State UniversityColumbusOH 43210United States Preanesthesia Clinic Bozeman HealthBozemanMT 59715United States Mechanical and Industrial Engineering Montana State UniversityBozemanMT 59715United States

BACKGROUND Perioperative surgical home(PSH)is a novel patient-centric surgical system developed by American Society of Anesthesiologist to improve outcomes and patient *** has proven success in large urban health centers by reducing surgery cancellation,operating room time,length of stay(LOS),and readmission ***,only limited studies have assessed the impact of PSH on surgical outcomes in rural *** To evaluate the newly implemented PSH system at a community hospital by comparing the surgical outcomes using a longitudinal case-control *** The research study was conducted at an 83-bed,licensed level-III trauma rural community hospital.A total of 3096 TJR procedures were collected retrospectively between January 2016 and December 2021 and were categorized as PSH and non-PSH cohorts(n=2305).To evaluate the importance of PSH in the rural surgical system,a case-control study was performed to compare TJR surgical outcomes(LOS,discharge disposition,and 90-d readmission)of the PSH cohort against two control cohorts[Control-1 PSH(C1-PSH)(n=1413)and Control-2 PSH(C2-PSH)(n=892)].Statistical tests including Chi-square test or Fischer’s exact test were performed for categorical variables and Mann-Whitney test or Student’s t-test were performed for continuous *** general linear models(Poisson regression and binomial logistic regression)were performed to fit adjusted *** The LOS was significantly shorter in PSH cohort compared to two control cohorts(median PSH=34 h,C1-PSH=53 h,C2-PSH=35 h)(P value<0.05).Similarly,the PSH cohort had lower percentages of discharges to other facilities(PSH=3.5%,C1-PSH=15.5%,C2-PSH=6.7%)(P value<0.05).There was no statistical difference observed in 90-d readmission between control and PSH ***,the PSH implementation reduced the 90-d readmission percentage(PSH=4.7%,C1-PSH=6.1%,C2-PSH=3.6%)lower than the national average 30-d readmission percentage which is 5.5%.The PSH system was effecti

关键词： Perioperative surgical home Rural medicine Case-control study Total joint replacements Health equity

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In situ stabilization of arsenic in soil with organoclay,organozeolite,birnessite,goethite and lanthanum-doped magnetic biochar

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Pedosphere 2022年第5期32卷 764-776页

作者： Saeed BAGHERIFAM Trevor C.BROWN Christopher M.FELLOWS Ravi NAIDU sridhar KOMARNENI Chemistry-School of Science and Technology University of New EnglandArmidale NSW 2351(Australia) Global Centre for Environmental Remediation Faculty of Science and Information TechnologyUniversity of NewcastleUniversity DriveCallaghan NSW 2308(Australia) Department of Ecosystem Science and Management and Materials Research Institute 204 Energy and the Environment LaboratoryPennsylvania State UniversityUniversity Park PA 16802(USA)

Arsenic(As)is a known carcinogen and naturally occurring semi-metal in soils and in the Earth's *** of soils and water with As poses a serious threat to millions of people worldwide due to its health hazards and toxicological ***,devising novel and efficient methods for remediation of contaminated areas has attracted a great deal of interest across the *** this study,we investigated the usefulness of synthetic birnessite,goethite,hexadecylpyridinium chloride-modified montmorillonite(HDPC-M),hexadecylpyridinium bromide-modified zeolite(HDPB-Z),and lanthanum(La)-doped magnetic biochar produced from eucalyptus bark(La-Euchar)as adsorbents at 10%dosage for As stabilization in a soil spiked with 1000 mg kg^(-1)*** effectiveness of the above adsorbents in As immobilization in soil was assessed using single-step extractions with 2 mol L^(-1)HNO_(3)and deionized water,the simplified bioaccessibility extraction test(SBET)method,and sequential extraction with the modified Community Bureau of Reference(BCR)*** of the adsorbents shifted the exchangeable fraction of As to more recalcitrant fractions and dramatically reduced the exchangeable fraction by 6%-99%and the extractable amounts with HNO_(3),deionized water,and SBET method by 30%-92%,17%-95%,and 12%-90%,respectively,compared to the unamended *** immobilizing effects of adsorbents on As decreased in the sequence of birnessite>La-Euchar>goethite>HDPB-Z>*** exhibited great affinity for As and drastically reduced As extractability by more than 90%in all single *** results revealed that HDPC-M,HDPB-Z,La-Euchar,birnessite,and goethite are promising immobilizing agents for in situ stabilization of As in terrestrial environments.

关键词： adsorbent bioaccessibility bioavailability environmental contamination immobilizing agent modified biochar modified clay remediation technique

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Content-Based Movie Recommendation System Using MBO with DBN

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Intelligent Automation & Soft Computing 2023年第3期35卷 3241-3257页

作者： S.sridhar D.Dhanasekaran G.Charlyn Pushpa Latha Department of CSE Saveetha School of EngineeringSaveetha Institute of Medical and Technical SciencesChennaiIndia Saveetha Institute of Medical and Technical Sciences ChennaiIndia Department of IT Saveetha School of EngineeringSaveetha Institute of Medical and Technical SciencesChennaiIndia

The content-basedﬁltering technique has been used effectively in a variety of Recommender Systems(RS).The user explicitly or implicitly provides data in the Content-Based Recommender *** system collects this data and creates a proﬁle for all the users,and the recommendation is generated by the user proﬁ*** recommendation generated via content-basedﬁltering is provided by observing just a single user’s proﬁ*** primary objective of this RS is to recommend a list of movies based on the user’s preferences.A con-tent-based movie recommendation model is proposed in this research,which recommends movies based on the user’s proﬁle from the Facebook *** recommendation system is built with a hybrid model that combines the Mon-arch Butterﬂy Optimization(MBO)with the Deep Belief Network(DBN).For feature selection,the MBO is utilized,while DBN is used for classiﬁ*** datasets used in the experiment are collected from Facebook and *** dataset features are evaluated for performance evaluation to validate if data with various attributes can solve the matching ***ﬁle is com-pared with features that prove the features will support movie *** proposed model’s mean absolute error(MAE)and root-mean-square error(RMSE)values are 0.716 and 0.915,and its precision and recall are 97.35 and 96.60 percent,*** tests have demonstrated the advantages of the proposed method in terms of MAE,RMSE,Precision,and Recall compared to state-of-the-art algorithms such as Fuzzy C-means with Bat algorithm(FCM-BAT),Collaborativeﬁltering with k-NN and the normalized discounted cumulative gain method(CF-kNN+NDCG),User proﬁle correlation-based similarity(UPCSim),and Deep Autoencoder.

关键词： Movie recommendation monarch butterﬂy optimization deep belief network facebook movielens deep learning

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