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Data-Driven Healthcare:The Role of Computational Methods in Medical Innovation

Computer Modeling in Engineering & Sciences 2025年第1期142卷 1-48页

作者： Hariharasakthisudhan Ponnarengan Sivakumar Rajendran vikas Khalkar Gunapriya Devarajan Logesh Kamaraj Department of Mechanical Engineering Dr.Mahalingam College of Engineering and TechnologyPollachiCoimbatoreTamil Nadu642003India Department of Mechanical Engineering JKKN College of Engineering and TechnologyKumarapalayamNamakkalTamil Nadu637209India Department of Mechanical Engineering Gharda Institute of TechnologyLavelMaharashtra415708India Department of Electrical and Electronics Engineering Sri Eshwar College of EngineeringCoimbatoreTamilnadu641202India Department of Mechanical Engineering Vel Tech Rangarajan Dr.Sagunthala R&D Institute of Science and TechnologyChennai600062India

The purpose of this review is to explore the intersection of computational engineering and biomedical science,highlighting the transformative potential this convergence holds for innovation in healthcare and medical *** review covers key topics such as computational modelling,bioinformatics,machine learning in medical diagnostics,and the integration of wearable technology for real-time health *** findings indicate that computational models have significantly enhanced the understanding of complex biological systems,while machine learning algorithms have improved the accuracy of disease prediction and *** synergy between bioinformatics and computational techniques has led to breakthroughs in personalized medicine,enabling more precise treatment ***,the integration of wearable devices with advanced computational methods has opened new avenues for continuous health monitoring and early disease *** review emphasizes the need for interdisciplinary collaboration to further advance this *** research should focus on developing more robust and scalable computational models,enhancing data integration techniques,and addressing ethical considerations related to data privacy and *** fostering innovation at the intersection of these disciplines,the potential to revolutionize healthcare delivery and outcomes becomes increasingly attainable.

关键词： Computational models biomedical engineering bioinformatics machine learning wearable technology

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印度在线零售商的新策略他们用自己的方式挑战亚马逊

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经理人 2011年第10期 26-26页

作者： vikas bajaj

几个月前，软件工程师普拉布·库马尔在亚马逊网站找到了一本他在本地书店买不到的书，价格是10美元，但要亚马逊把书送到他手里的话，他还要支付超过9美元的运费。不过库马尔现在不必这么做了，他已经找到另外一家在线书店FlipKart，... 详细信息

几个月前，软件工程师普拉布·库马尔在亚马逊网站找到了一本他在本地书店买不到的书，价格是10美元，但要亚马逊把书送到他手里的话，他还要支付超过9美元的运费。不过库马尔现在不必这么做了，他已经找到另外一家在线书店FlipKart，该网站可以在24小时之内把书籍、电话等物品送货上门，而且不收取额外的费用。书送到后，他既可以用现金结算，也可以用信用卡结算。

关键词：亚马逊网站在线零售商印度现金结算软件工程师信用卡书店美元

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太阳能新天地

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经理人 2012年第2期 21-21页

作者： vikas bajaj

Azure Power公司在印度北部运营着占地63公顷、太阳能电池板数目多达36000块的太阳能发电站，但是每隔5天，便会上演一出高科技和人工的“结合”—_丁人们用长把拖布将每一块电池板从上到下地抹一遍。印度的国家电网因供电不足而臭名昭... 详细信息

Azure Power公司在印度北部运营着占地63公顷、太阳能电池板数目多达36000块的太阳能发电站，但是每隔5天，便会上演一出高科技和人工的“结合”—_丁人们用长把拖布将每一块电池板从上到下地抹一遍。印度的国家电网因供电不足而臭名昭著，于是为了用太阳能升级国家电网、也为了减少对火电厂的依赖，印度制定了许多雄心勃勃的计划，这就是其中之一。

关键词：太阳能电池板天地国家电网 Power 发电站高科技火电厂印度

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印度成外资热门市场

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经理人 2010年第12期 24-24页

作者： vikas bajaj

两年前，当华尔街的金融危机达到顶峰时，由于外国投资者从印度抽走了将近50亿美元的资金，原本一路走高的印度股市陡跌。

关键词：印度市场热门外资外国投资者金融危机华尔街资金

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PIECEWISE RATIONAL APPROXIMATIONS OF REAL ALGEBRAIC CURVES

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Journal of Computational Mathematics 1997年第1期15卷 55-71页

作者： bajaj, CL Xu, GL PURDUE UNIV DEPT COMP SCIW LAFAYETTEIN 47907 CHINESE ACAD SCI STATE KEY LAB SCI & ENGN COMPICMSECBEIJINGPEOPLES R CHINA

We use a combination of both algebraic and numerical techniques to construct a C-1-continuous, piecewise (m, n) rational epsilon-approximation of a real algebraic plane curve of degree d. At singular points we use the classical Weierstrass Preparation Theorem and Newton power series factorizations, based on the technique of Hensel lifting. These, together with modified rational Pade approximations, are used to efficiently construct locally approximate, rational parametric representations for all real branches of an algebraic plane curve. Besides singular points we obtain an adaptive selection of simple points about which the curve approximations yield a small number of pieces yet achieve C-1 continuity between pieces. The simpler cases of C-1 and C-0 continuity are also handled in a similar manner. The computation of singularity, the approximation error bounds and details of the implementation of these algorithms are also provided.

关键词： Math ACM PIECEWISE RATIONAL APPROXIMATIONS OF REAL ALGEBRAIC CURVES Design der

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A New Design Approach for Nearly Linear Phase Stable IIR Filter using Fractional Derivative

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IEEE/CAA Journal of Automatica Sinica 2020年第2期7卷 527-538页

作者： Nikhil Agrawal Anil Kumar Varun bajaj Department of Electronics and Communication Engineering PDPM Indian Institute of Information TechnologyDesign and Manufacturing JabalpurMadhya Pradesh 482005India

In this paper,a new design method for digital infinite impulse response(IIR)filters with nearly linear-phase response is presented using fractional derivative constraints(FDCs).In the proposed method,design problem of an IIR frlter is constructed as the minimization of phase error between the desired and designed phase response of an allpass filter(APF)such that the designed lowpass filter(LPF)or highpass frlter(HPF)yields less passband(ep),and stopband errors(es)with optimal stopband attenuation(As).In order to have accurate passband(pb)response,FDCs are imposed on appropriate reference frequency,where the optimality of these FDCs are ensured by using a new greedy based sorting *** simulated results reflect the efficiency of the proposed method in term of improved passband response along with better transition ***,small reduction in^is observed within the allowable limit,when compared to noin-fractional design approach,but the designed filter remains immune to wordlength(WL)effect.

关键词： Fractional derivative constraint(FDC) infinite impulse response(IIR)filter least squared linear phase quantization

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Minimal hepatic encephalopathy matters in daily life

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World Journal of Gastroenterology 2008年第23期14卷 3609-3615页

作者： Jasmohan S bajaj Division of Gastroenterology and Hepatology Medical College of WisconsinMilwaukeeWI 53226United States

Minimal hepatic encephalopathy is a neuro-cognitive dysfunction which occurs in an epidemic proportion of cirrhotic patients,estimated as high as 80% of the population tested. It is characterized by a specific,complex cognitive dysfunction which is independent of sleep dysfunction or problems with overall intelligence. Although named "minimal",minimal hepatic encephalopathy(MHE) can have a far-reaching impact on quality of life,ability to function in daily life and progression to overt hepatic encephalopathy. Importantly,MHE has a profound negative impact on the ability to drive a car and may be a significant factor behind motor vehicle accidents. A crucial aspect of the clinical care of MHE patients is their driving history,which is often ignored in routine care and can add a vital dimension to the overall disease assessment. Driving history should be an integral part of care in patients with MHE. The lack of specific signs and symptoms,the preserved communication skills and lack of insight make MHE a difficult condition to diagnose. Diagnostic strategies for MHE abound,but are usually limited by financial,normative or time constraints. Recent studies into the inhibitory control and critical flicker frequency tests are encouraging since these tests can increase the rates of MHE diagnosis without requiring a psychologist. Although testing for MHE and subsequent therapy is not standard of care at this time,it is important to consider this in cirrhotics in order to improve their ability to live their life to the fullest.

关键词： Minimal hepatic encephalopathy Quality of life Driving impairment Diagnosis Therapy Prognosis

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Structural-Nanomechanical Property Correlation of Shallow Water Shrimp （Pandalus platyceros） Exoskeleton at Elevated Temperature

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Journal of Bionic Engineering 2014年第3期11卷 360-370页

作者： Devendra Verma vikas Tomar School of Aeronautics and Astronautics Purdue University West Lafayette IN 47907 USA

This investigation reports the nanomechanical properties of shallow water shrimp exoskeleton at temperatures ranging from 30 ℃ to 80 ℃ measured using nanoindentation experiments. Scanning Electron Microscopy （SEM） measurements suggest that the shrimp exoskeleton has the Bouligand structure in its layers, a key characteristic of the crustaceans. The thickness of the layers and packing density are found to be different from that of lobsters and crabs reported earlier in the literature. Mechanical properties at high temperatures are determined using micro materials nanoindentation test set up combined with the hot stage. The properties measured during nanoindentation test are corrected for the creep and thermal drift during the experiments. The reduced modulus values are found to be around 28 GPa at 30 ℃ that reduces to approximately 24 GPa at 80 ℃. The hardness values also decrease from 1.6 GPa at 30 ℃ to around 1.2 GPa at 80 ℃. The indentation size effect is found to be absent at all temperatures. Creep mechanisms of polymers like materials and its temperature dependence are discussed to give more insight into the deformation mechanism.

关键词： fresh water shrimp nanomechanics temperature dependence creep mechanism

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Emulsification of Indian heavy crude oil using a novel surfactant for pipeline transportation

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Petroleum Science 2017年第2期14卷 372-382页

作者： Shailesh Kumar vikas Mahto Department of Petroleum Engineering Indian Institute of Technology (Indian School of Mines) Dhanbad Jharkhand India

The most economical way to overcome flow assurance problems associated with transportation of heavy crude oil through offshore pipelines is by emulsifying it with water in the presence of a suitable *** this research,a novel surfactant,tri-triethanolamine monosunflower ester,was synthesized in the laboratory by extracting fatty acids present in sunflower（Helianthus annuus）*** surfactant was used to prepare oil-in-water emulsions of a heavy crude oil from the western oil field of *** emulsification,a dramatic decrease in pour point as well as viscosity was *** the prepared emulsions were found to be flowing even at 1°*** emulsion developed with 60%oil content and 2wt%surfactant showed a decrease in viscosity of 96%.The stability of the emulsion was investigated at different temperatures,and it was found to be highly *** effectiveness of surfactant in emulsifying the heavy oil in water was investigated by measuring the equilibrium interfacial tension（IFT）between the crude oil（diluted）and the aqueous phase along with zeta potential of emulsions.2wt%surfactant decreased IFT by almost nine times that of no *** results suggested that the synthesized surfactant may be used to prepare a stable oil-in-water emulsion for its transportation through offshore pipelines efficiently.

关键词： Heavy crude oil Oil-in-water emulsion Pipeline transportation Sunflower oil Rheology Stability

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Microstructural analysis and hot corrosion behavior of HVOF-sprayed Ni–22Cr–10Al–1Y and Ni–22Cr–10Al–1Y–SiC(N) coatings on ASTM-SA213-T22 steel

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International Journal of Minerals,Metallurgy and Materials 2020年第3期27卷 401-416页

作者： Gurmail Singh Niraj Bala vikas Chawla Department of Mechanical Engineering IKGPTUJalandhar 144603PunjabIndia Department of Aerospace Engineering Chandigarh UniversityGharuan 140413PunjabIndia Department of Mechanical Engineering BBSBECFatehgarh Sahib 140407PunjabIndia

The present paper deals with the investigation of microstructure and high-temperature hot corrosion behavior of high-velocity oxy fuel(HVOF)-produced coatings. Two powder coating compositions, namely, Ni22Cr10Al1Y alloy powder and Ni22Cr10Al1Y(80 wt%;microsized)–silicon carbide(SiC)(20 wt%;nano(N)) powder, were deposited on a T-22 boiler tube steel. The hot corrosion behavior of bare and coated steels was tested at 900°C for 50 cycles in Na2SO4–60 wt%V2O5 molten-salt environment. The kinetics of corrosion was established with weight change measurements after each cycle. The microporosity and microhardness of the as-coated samples have been reported. The X-ray diffraction,field emission-scanning electron microscopy/energy dispersive spectroscopy, and X-ray mapping characterization techniques have been utilized for structural analysis of the as-coated and hot-corroded samples. The results showed that both coatings were deposited with a porosity less than2%. Both coated samples revealed the development of harder surfaces than the substrate. During hot corrosion testing, the bare T22 steel showed an accelerated corrosion in comparison with its coated counterparts. The HVOF-sprayed coatings were befitted effectively by maintaining their adherence during testing. The Ni22Cr10Al1Y–20 wt%SiC(N) composite coating was more effective than the Ni–22Cr–10Al–1Y coating against corrosion in the high-temperature fluxing process.

关键词： high-velocity oxy fuel thermal spray hot corrosion oxide scale nano-structured coating

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