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ChatGPT in transforming communication in seismic engineering: Case studies, implications, key challenges and future directions

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Earthquake Science 2024年第4期37卷 352-367页

作者： partha pratim Ray Department of Computer Applications Sikkim UniversityGangtokIndia

Seismic engineering,a critical field with significant societal implications,often presents communication challenges due to the complexity of its *** paper explores the role of Artificial Intelligence(AI),specifically OpenAI’s ChatGPT,in bridging these communication *** study delves into how AI can simplify intricate seismic engineering terminologies and concepts,fostering enhanced understanding among students,professionals,and *** also presents several intuitive case studies to demonstrate the practical application of ChatGPT in seismic ***,the study contemplates the potential implications of AI,highlighting its potential to transform decision-making processes,augment education,and increase public *** acknowledging the promising future of AI in seismic engineering,the study also considers the inherent challenges and limitations,including data privacy and potential oversimplification of *** advocates for the collaborative efforts of AI researchers and seismic experts in overcoming these obstacles and enhancing the utility of AI in the *** exploration provides an insightful perspective on the future of seismic engineering,which could be closely intertwined with the evolution of AI.

关键词： AI ChatGPT seismic engineering decision making earthquake science

Bioremediation of Textile Azo Dyes Amido Black 10B, Reactive Black 5, Reactive Blue 160 by Lentinus squarrosulus AF5 and Assessment of Toxicity of the Degraded Metabolites

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Advances in Microbiology 2024年第2期14卷 137-161页

作者： Anshu Mathur Chandrachur ghosh partha Roy Ramasare Prasad Rajesh Pratap Singh Department of Biosciences and Bioengineering Indian Institute of Technology Roorkee Roorkee India

Bioremediation is an eco-compatible and economical approach to counter textile dye menace. The isolated Lentinus squarrosulus AF5 was assessed for decolourization of textile azo dyes, and had shown ~93%, 88% and 70% decolorization of Reactive blue 160 (RB160), Reactive black 5 (RB5) and Amido black 10B (AB10B) respectively. Further analysis using UV-vis, HPLC, and FTIR, 1H NMR had shown the degradation of the dyes. Toxicity analysis of the metabolites was performed using seed germination and plant growth on two agriculturally important plants Guar (Cyamopsis tetragonoloba) and wheat (Triticum aestivum) as well as cytotoxicity analysis using the human keratinocyte cell line (HaCaT). The dye mix appeared inhibitory for seed germination (20% - 40%), whereas metabolites were non-inhibitory for germination. Treatment of HaCaT cells with of dye mix and metabolites led into 45% and ~100% of cell viability of HaCaT cells respectively. Therefore, metabolites following degradation of the dye mix were observed to be non-toxic.

关键词： Lentinus squarrosulus AF5 Azo Dyes FTIR 1H NMR Catabolism Cytotoxicity

Effect of arc-current and spray distance on elastic modulus and fracture toughness of plasma-sprayed chromium oxide coatings

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Friction 2018年第4期6卷 387-394页

作者： Simanchal KAR partha pratim BANDYOPADHYAY Soumitra PAUL Department of Mechanical Engineering Indian Institute of Technology Kharagpur

In this experimental study, chromium oxide powder was sprayed on a low-carbon steel substrate using the atmospheric plasma spray process. The current and standoff distances(SODs) were varied to study their effect on the fracture toughness of the coatings. Theoretically, as the arc current increases, the melting of the ceramic oxide should increase and this in turn should lead to the formation of a dense coating. However,it was observed that if the arc power is too high and because the particle size of the powder is small(approximately 30 μm), the particles tend to fly away from the plasma core. Similarly, an appropriate SOD should provide the particles with more melting time, thus resulting in a dense coating. On the other hand, a larger SOD leads to the solidification of the molten particles before the droplets can reach the substrate. All these effects may lead to substantial variation in the fracture toughness of the coating. The present paper attempts to correlate the plasma spraying parameters and microstructure of the coating with the fracture toughness and other primary coating properties.

关键词： chromia coating fracture toughness plasma spray critical plasma spray parameter critical depth

Synthesis of Nanocrystalline FeS_2 with Increased Band Gap for Solar Energy Harvesting

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Journal of Materials Science & Technology 2014年第8期30卷 770-775页

作者： Somnath Middya Animesh Layek Arka Dey partha pratim Ray Department of Physics Jadavpur University

In this paper,we have reported the synthesis of FeS2 of higher band gap energy（2.75 eV） by using capping reagent and its successive application in organic-inorganic based hybrid solar *** route was adopted for preparing iron pyrite（FeS2） nanoparticles with capping reagent *** quality of synthesized FeS2 material was confirmed by X-ray diffraction,field emission scanning electron microscopy,transmission electron microscopy,Fourier transform infrared,thermogravimetric analyzer,and Raman *** optical band gap energy and electro-chemical band gap energy of the synthesized FeS2 were investigated by UV-vis spectrophotometry and cyclic *** band gap engineered FeS2 has been successfully used in conjunction with conjugated polymer MEHPPV for harvesting solar *** energy conversion efficiency was obtained as 0.064%with a fill-factor of 0.52.

关键词： Hydrothermal synthesis FeS2 nanoparticles Optical characterization Energy band gap

Geochemistry and hydrocarbon source rock potential of shales from the Palaeo-Mesoproterozoic Vindhyan Supergroup, central India

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能源地球科学(英文) 2023年第3期4卷 276-295页

作者： Arvind Kumar Singh partha pratim Chakraborty Birbal Sahni Institute of Palaeosciences 53 University RoadLucknow226007India Department of Geology University of DelhiNew Delhi110007India Hiroshima Institute of Plate Convergence Region Research Hiroshima UniversityHigashi-Hiroshima7398526Japan

With increase in shale gas exploration, inorganic and organic geochemical investigations of shale have become extremely important. Here, we explore the six argillaceous (shale) intervals (Arangi, Koldaha, Rampur, Bijaygarh, Rewa and Sirbu shale) from Son valley sector, Vindhyan Basin with an aim to understand provenance conditions, palaeoclimate, tectonic setting and hydrocarbon generation potential. Whole rock geochemistry indicates Vindhyan sediments derived from felsic source(s) except for Sirbu shale that indicates additional influx of mafic rocks with differentiated felsic source. A comparative study of Vindhyan shale rare earth elements (REEs) points to Mahakoshals and Chhotanagpur gneissic complex (CGC) as probable sediment provenance for Vindhyan sediments. CIA analysis, after necessary corrections for K-metasomatism, suggests evolution in weathering and palaeoclimate indicating a transformation from moderate weathering conditions with warm and humid climate during lower Vindhyan deposition to intense weathering conditions with hot and humid climate during upper Vindhyan deposition. Trace (La/Y vs. Sc/Cr) and REE analysis indicates passive margin setting for Vindhyan sediments whereas a wide range spanning passive to active continental margin setting is also inferred using (Th-Sc-Zr/10) and (Th–La-Sc) ternary diagrams. However, these tectonic discriminant diagrams lack in explaining rift- or sag-related origin of any intracratonic basin such as the Vindhyan Basin. The total organic carbon (TOC) content in Vindhyan shales ranges from 0.29% to 8.44%. The thermally liberated hydrocarbon (S1) values range from 0.01 to 0.18 mg HC/g rock (milligram hydrocarbon per gram of rock sample), whereas hydrocarbon from cracking of the kerogen (S2) shows values ranging from 0.04 to 0.47 mg HC/g rock. Based on modified Van Krevelen correlation (HI vs. Tmax) diagram, organic matter from Arangi and Bijaygarh shales is characterized as thermally mature, Type III kerogen of gas

关键词： Shale geocheristry Provenance Organic matter Hydrocarbon potential VIndhyan basin

Implementation of tristate logic based all optical flip-flop with nonlinear material

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Chinese Optics Letters 2005年第8期3卷 478-479页

作者： partha ghosh Sourangshu Mukhopadhyay Department of Physics and Technophysics Vidyasagar University Midnapore (W)-721 102 West Bengal India

The advantages of multivalued logic in optical parallel computation need no introduction. There are lots of proposals, already reported, where tristate, quarternary state logic operations can be performed with optics. Here we report a new approach to implement tristate logic based all optical flip-flop using optical nonlinear material. The concept and the principle of operation of this type of flip-flop are different from that of the conventional binary one.

关键词： OPNLM BS NLM

Soil and onsite nutrient conservation potential of aromatic grasses at field scale under a shifting cultivated,degraded catchment in Eastern Ghats,India

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International Journal of Sediment Research 2018年第3期33卷 340-350页

作者： partha pratim Adhikary Hunsur Chikkanarasimhaiah Hombegowda Dhananjay Barman Madegowda Madhu ICAR-Indian Institute of Soil and Water Conservation Research Centre ICAR-Central Research Institute for Jute and Allied Fibres

Land degradation due to soil erosion is a global problem, especially on cultivated hill slopes. Economically important aromatic grasses can protect degraded hill slopes more effectively than field crops, but little information is available on their performance. This study quantifies runoff, sediment yield,enrichment ratios of soil and nutrients, and sediment-associated organic carbon and nutrients losses under three aromatic grass species: citronella(Cymbopogon nardus), lemon(Cymbopogon flexuosus), and palmarosa(Cymbopogon martini), compared with a traditional field crop, finger millet(Eleusine coracana)grown at three land slopes(4%, 8%, and 12%). It was observed that the degree of slope and type of grass both significantly influenced runoff generation. Runoff and sediment yield(SY) were significantly higher at 12% slope than at 8% and 4% slopes. Relation between rainfall and runoff were significant for all the grass species(p < 0.05). Palmarosa, lemon, and citronella grass reduced the SY by 10, 54, and 60%,respectively, over finger millet. SY was also significantly related to rainfall for all the treatments(p <0.05). The threshold runoff values to produce SY were higher for aromatic grasses compared to finger millet. Enrichment of clay, silt, sand, soil organic carbon(SOC), available nitrogen(N), phosphorus(P) and potassium(K) in the sediment were not significantly different between slopes but differed significantly between aromatic grasses and finger millet. Sediment associated nutrient load varied inversely with SY mainly because of the nutrient dissolution effect of high runoff volume. Annual loss of SOC and nutrients varied from 84.7-156.8 kg ha-1y-1for SOC, 4.38-9.18 kg ha-1y-1for available N, 0.35-0.75 kg ha-1y-1for available P, and 2.22-5.22 kg ha-1y-1for available K, with the lowest values for citronella and highest for finger millet. The study found that the aromatic grasses have greater environmental conservation values than finger millet on steep degrade

关键词： Aromatic grass Enrichment ratio Nutrient loss Runoff Sediment yield

Evolving spectrum of diabetic wound: Mechanistic insights and therapeutic targets

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World Journal of Diabetes 2022年第9期13卷 696-716页

作者： Raja Chakraborty Pobitra Borah partha pratim Dutta Saikat Sen Institute of Pharmacy Assam Don Bosco UniversityKamrup 782402AssamIndia School of Pharmacy Graphic Era Hill UniversityDehradun 248002UttarakhandIndia Faculty of Pharmaceutical Science Assam down town UniversityGuwahati 781026AssamIndia

Diabetes mellitus is a chronic metabolic disorder resulting in an increased blood glucose level and prolonged hyperglycemia,causes long term health *** wound is frequently occurring in diabetes patients due to compromised wound healing *** of wounds in diabetic patients remains a clinical challenge despite many advancements in the field of science and *** evidence indicates that alteration of the biochemical milieu resulting from alteration in inflammatory cytokines and matrix metalloproteinase,decrease in fibroblast and keratinocyte functioning,neuropathy,altered leukocyte functioning,infection,etc.,plays a significant role in impaired wound healing in diabetic *** from the current pharmacotherapy,different other approaches like the use of conventional drugs,antidiabetic medication,antibiotics,debridement,offloading,platelet-rich plasma,growth factor,oxygen therapy,negative pressure wound therapy,low-level laser,extracorporeal shock wave bioengineered substitute can be considered in the management of diabetic ***/therapeutic strategy that induce angiogenesis and collagen synthesis,inhibition of MMPs,reduction of oxidative stress,controlling hyperglycemia,increase growth factors,regulate inflammatory cytokines,cause NO induction,induce fibroblast and keratinocyte proliferation,control microbial infections are considered important in controlling diabetic ***,medicinal plants and/or phytoconstituents also offer a viable alternative in the treatment of diabetic *** focus of the present review is to highlight the molecular and cellular mechanisms,and discuss the drug targets and treatment strategies involved in the diabetic wound.

关键词： Diabetic Wound Diabetic Foot Ulcer Epigenetic mechanisms Therapeutic agents Molecular Targets Phytoconstituents

Chaos to order： Effect of random predation in a Holling type IV tri-trophic food chain system with closure terms

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International Journal of Biomathematics 2016年第5期9卷 153-170页

作者： partha ghosh Pritha Dast Debasis Mukherjee Department of Mathematics Indian Institute of Engineering Science and Technology Shibpur Howrah 711103 India Department of Mathematics Vivekananda College Thakurpukur Kolkata 700063 India

Complex dynamics of modified Hastings-Powell （HP） model （phytoplankton-zoo- plankton-fish） with Holling type IV functional response and density-dependent morta- lity （closure terms） for top predator species is investigated in this paper. Closure terms describe the mortality of top predator in plankton food chain models. Modified HP model with Holling type IV functional response gives rise to similar type of chaotic dynamics （inverted ＂teacup attractor＂） as observed in original HP model with Holling type II functional response. It is observed that introduction of nonlinear closure terms eliminate chaos and system dynamics becomes stable. Observation of this paper support the ＂Steele-Henderson conjecture＂ that, nonlinear closure terms eliminate or reduces limit cycles and chaos in plankton food chain models. Chaotic or stable dynamics are numerically verified by Lyapunov exponents （LE） method and Sil＇nikov eigenvalue anal- ysis and also illustrated graphically by plotting bifurcation diagrams. It is assumed that mortality of fish population, caused by higher-order predators （which are not explicitly included in the model） is not constant, rather it exhibits random variation through- out the year. To incorporate the effect of random mortality of fish population, white noise term is introduced into the original deterministic model. It is observed that the corresponding stochastic model is stable in mean square when the intensity of noise is small. Keywords： Holling type IV; chaos; closure term; white noise; mean square stability

关键词：随机变化 HollingⅡ型功能性反应食物链系统封闭捕食效应 Lyapunov指数食物链模型均方稳定性