检索结果-南通市图书馆

Structural and Optical Properties of Graphene Oxide Prepared by Modified Hummers’Method

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Computers, Materials & Continua 2016年第6期52卷 175-185页

作者： N.Selvakumar Uday Pradhan S.B.Krupanidhi harish C.Barshilia Nanomaterials Research Lab Surface Engineering DivisionCSIR-National Aerospace LaboratoriesBangalore-560017India Materials Research Center Indian Institute of ScienceBangalore-560012India

Graphene oxide was synthesized from graphite flakes using modified Hummers’*** interlayer spacings of graphite,graphite oxide and graphene oxide were measured using X-ray diffraction *** C/O atomic ratios of graphite oxide and graphene oxide were calculated from XPS *** transformation of graphite to graphite oxide and finally to graphene oxide was clearly observed from the micro-Raman spectroscopy data and was confirmed from the FESEM ***-VIS-NIR spectrophotometer was used to study the absorbance of graphene oxide and reduced graphene oxide ***,the chemically reduced graphene oxide was heat-treated in air to obtain chemically modified graphene.

关键词： Graphene oxide Graphite,modified Hummers’method thermal annealing optical properties

Faunal richness and checklist of sandflies (Diptera: Pyschodidae) in India

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Asian Pacific Journal of Tropical Medicine 2023年第5期16卷 193-203页

作者： harish Kumar Shah Fathima P A N Pradeep Kumar Ashwani Kumar Prasanta Saini ICMR-Vector Control Research Centre(Field Station) KottayamKeralaIndia

This review aims to fill the voids and to update the checklist of sandfly fauna along with its spatial distribution in *** databases *** online or offline were searched to deduce the information to systematize the Indian sandfly ***/data retrieved were screened and analysed to further update the available latest *** species name and authorship were given in accord with the International Code for Zoological *** compiled an updated checklist of reported Indian sandfly species along with their state-wise distribution till 2022 as per published *** has maximum number of species reports when compared to other endemic states and states with pockets of *** argentipes is the most widely distributed,recorded so far,followed by other Sergentomiya and Phlebotomus species in *** this review,we have also described the vector and non-vector species of sandfly prevalent in different parts of the *** eoindianensis,an amber fossil sandfly species recorded from Gujarat might be older than other records of Indian sandfly *** far 69 species(4 genera and 15 subgenera/groups)of Phlebotomine sandflies have been recorded in *** knowledge of species diversity and its distribution is a prerequisite for planning a systematic vector control strategy and disease management.

关键词： Indian sandfly fauna Checklist Phlebotomine sandflies

Aerosol jet printing of piezoelectric surface acousticwave thermometer

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Microsystems & Nanoengineering 2023年第3期9卷 31-42页

作者： Nicholas McKibben Blake Ryel Jacob Manzi Florent Muramutsa Joshua Daw harish Subbaraman David Estrada Zhangxian Deng Micron School of Materials Science and Engineering Boise State University1910 W University DriveBoiseID 83725USA Department of Mechanical and Biomedical Engineering Boise State UniversityBoiseID 83725USA School of Electrical Engineering and Computer Science Oregon State University2500 NW Monroe AvenueCorvallisOR 97331USA Idaho National Laboratory Idaho FallsID 83415USA Center for Advanced Energy Studies Idaho FallsID 83401USA

Surface acoustic wave(SAW)devices are a subclass of micro-electromechanical systems(MEMS)that generate an acoustic emission when electrically *** transducers also work as detectors,converting surface strain into readable electrical *** properties of the generated SAW are material dependent and influenced by external factors like *** monitoring temperature-dependent scattering parameters a SAW device can function as a thermometer to elucidate substrate *** fabrication of SAW sensors requires labor-and cost-intensive subtractive processes that produce large volumes of hazardous *** study utilizes an innovative aerosol jet printer to directly write consistent,high-resolution,silver comb electrodes onto a Y-cut LiNbO3 *** printed,two-port,20 MHz SAW sensor exhibited excellent linearity and repeatability while being verified as a thermometer from 25 to 200℃.Sensitivities of the printed SAW thermometer are−96.9×10^(−6)℃^(−1)and−92.0×10^(-6)℃^(−1) when operating in pulse-echo mode and pulse-receiver mode,*** results highlight a repeatable path to the additive fabrication of compact high-frequency SAW thermometers.

关键词： scattering wave surface

Comprehensive review on ethnomedicinal,phytochemistry and pharmacological profile of Ficus Religiosa L.

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Traditional Chinese Medicine 2024年第5期44卷 1052-1057页

作者： Rahul Rawat harish Kumar Neetu Singh Aakash Deep Balasubramanian Narasimhan Surender Singh Yadav Sanjiv Kumar Department of Pharmaceutical Sciences Chaudhary Bansi Lal UniversityBhiwani 127021India Department of Botany Maharshi Dayanand UniversityRohtak 124001India Faculty of Pharmaceutical Sciences Maharshi Dayanand UniversityRohtak 124001India

Ficus religiosa L.(***)or sacred fig is a large perennial tree belonging to the family Moraceae or mulberry *** the tree has pan-tropical distribution but originally it is indigenous to the Indian subcontinent and Indochina *** the tree is named"Pepal or bodhi tree".Traditionally,it is practiced for the treatment of asthma,nose bleeding,heart disorders,diabetes,wound healing,ear problems,constipation,hyperlipidemia,gonorrhea,ulcers and infectious *** analysis demonstrated the presence of numerous bioactives including tannins,phenols,saponins,sugars,alkaloids,methionine,terpenoids,flavonoids,glycosides,proteins,separated amino acids,essential and volatile oils and steroids etc.,which are probably responsible for its diverse pharmacological *** present work is an attempt to compile up-to-date comprehensive information on *** that covers its taxonomy,ethnomedicinal importance,phytochemistry,pharmacological attributes and clinical *** in mind the various health attributes of ***,future research can be aimed at in-depth elucidation of the structure-function relationship and multifactorial signalings pathways.

关键词： Ficus religiosa phytoconstituents pharmacology clinical trials ethnomedicine health benefits

Metal nanocomposites-based electrochemical sensor for the detection of Vanillin (food additives): Experimental and theoretical approach

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Food Bioscience 2023年第2期52卷 1451-1465页

作者： Rajni Kumari harish Kumar Ankita Yadav Rahul Sharma Anita Kumari Ashwani Kumar Dept.of Chemistry Central University of HaryanaMahendergarhIndia Dept.of Nutrition Biology School of Interdisciplinary SciencesCUHMahendergarhIndia

A sensitive and selective electrochemical sensor was developed to detect Vanillin using Mn/Zn/V(MZV)*** nanocomposites were synthesized by modified Sol-gel technique and characterized by FT-IR,UV-VIS,SEM,and XRD *** Voltammetry,Linear Sweep Voltammetry,and Differential Pulse Voltammetry experiments were performed on a three-electrode-based electrochemical system.A computational study(DFT)was used to support experimental data and understand chemistry at the working electrode/electrolyte *** specially designed working electrode showed a good sensing ability toward Vanillin in real and reference *** working electrode displays a linear response between the current density and concentration of Vanillin(20-120μM)with a lowest detection limit of 120μ*** characteristic oxidative(0.051 V)and reductive peak(0.47 V),formal potential(0.270 V),open circuit potential(-570 mV),current density,and Emid potential(0.025 V)of Vanillin help in qualitative *** and stability of working electrodes were tested for 60 days.

关键词： Metal oxide nanocomposite Electrochemical sensor Vanillin Cyclic voltammetry

Lung cancer metastasis to the gastrointestinal system:An enigmatic occurrence

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Gastrointestinal Oncology 2017年第3期9卷 129-134页

作者： Kanthi Rekha Badipatla Niharika Yadavalli Trupti Vakde Masooma Niazi harish K Patel Division of Gastro-enterology Department of MedicineBronx Lebanon Hospita CenterAffiliated to Icahn School of Medicine at Mount Sinai Bronx Department of Medicine Bronx Lebanon Hospital CenterAffiliated to Icahn School of Medicine at Mount Sinai Division of Pulmonary and Critical Care Department of MedicineBronx Lebanon Hospital CenterAffiliated to Icahn School of Medicine at Mount Sinai Department of Pathology Bronx Lebanon Hospital CenterAffiliated to Icahn School of Medicine at Mount Sinai

Adenocarcinoma of the lung infrequently metastasizes to the gastrointestinal tract. We report a rare case of a 65-year-old male with no respiratory symptoms diagnosed with adenocarcinoma of the lung by histopathological examination of metastatic sites which included an ulcer in the gastric body and a mass in the rectum. Metastatic disease also involved the liver as well. Patient was treated with systemic chemotherapy but unfortunately expired five months after the diagnosis was made.

关键词： Lung cancer Gastrointestinal metastasis

Multifunctional antiperovskites driven by strong magnetostructural coupling

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

npj Computational Materials 2021年第1期7卷 890-898页

作者： harish K.Singh Ilias Samathrakis Nuno MFortunato Jan Zemen Chen Shen Oliver Gutfleisch Hongbin Zhang Institute of Materials Science Technische Universität DarmstadtDarmstadtGermany Faculty of Electrical Engineering Czech Technical UniversityPragueCzech Republic Department of Physics Blackett LaboratoryImperial College LondonLondonUK Materials Recycling and Resource Strategies Fraunhofer IWKSHanauGermany

Based on density functional theory calculations,we elucidated the origin of multifunctional properties for cubic antiperovskites with noncollinear magnetic ground states,which can be attributed to strong isotropic and anisotropic magnetostructural *** 54 stable magnetic antiperovskites M_(3)XZ(M=Cr,Mn,Fe,Co,and Ni;X=selected elements from Li to Bi except for noble gases and 4f rare-earth metals;and Z=C and N),14 are found to exhibit the Γ_(4g)/Γ_(5g)(i.e.,characterized by irreducible representations)antiferromagnetic magnetic configurations driven by frustrated exchange coupling and strong magnetocrystalline *** the magnetic deformation as an effective proxy,the isotropic magnetostructural coupling is characterized,and it is observed that the paramagnetic state is critical to understand the experimentally observed negative thermal expansion and to predict the magnetocaloric ***,the piezomagnetic and piezospintronic effects induced by biaxial strain are *** is revealed that there is not a strong correlation between the induced magnetization and anomalous Hall conductivities by the imposed ***,the anomalous Hall/Nernst conductivities can be significantly tailored by the applied strain due to the fine-tuning of the Weyl points energies,leading to promising spintronic applications.

关键词： deformation coupling structural

Multi-Criteria Decision Making Based on Bipolar Picture Fuzzy Operators and New Distance Measures

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Computer Modeling in Engineering & Sciences 2021年第5期127卷 771-800页

作者： Muhammad Riaz harish Garg Hafiz Muhammad Athar Farid Ronnason Chinram Department of Mathematics University of the PunjabLahore54590Pakistan School of Mathematics Thapar Institute of Engineering and Technology(Deemed University)Patiala147004India Algebra and Applications Research Unit Division of Computational ScienceFaculty of SciencePrince of Songkla UniversityHat YaiSongkhla90110Thailand Centre of Excellence in Mathematics Bangkok10400Thailand

This paper aims to introduce the novel concept of the bipolar picture fuzzy set(BPFS)as a hybrid structure of bipolar fuzzy set(BFS)and picture fuzzy set(PFS).BPFS is a new kind of fuzzy sets to deal with bipolarity(both positive and negative aspects)to each membership degree(belonging-ness),neutral membership(not decided),and non-membership degree(refusal).In this article,some basic properties of bipolar picture fuzzy sets(BPFSs)and their fundamental operations are *** score function,accuracy function and certainty function are suggested to discuss the comparability of bipolar picture fuzzy numbers(BPFNs).Additionally,the concept of new distance measures of BPFSs is presented to discuss geometrical properties of *** the context of BPFSs,certain aggregation operators(AOs)named as“bipolar picture fuzzy weighted geometric(BPFWG)operator,bipolar picture fuzzy ordered weighted geometric(BPFOWG)operator and bipolar picture fuzzy hybrid geometric(BPFHG)operator”are defined for information aggregation of *** on the proposed AOs,a new multicriteria decision-making(MCDM)approach is proposed to address uncertain real-life ***,a practical application of proposed methodology is also illustrated to discuss its feasibility and applicability.

关键词： Bipolar picture fuzzy set aggregation operators distance measures pattern recognition MCDM

Evaluation of environmental geochemical signatures due to RO rejects on arid agricultural farms and tangible solutions

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Geoscience Frontiers 2024年第6期15卷 494-515页

作者： harish Bhandary Chidambaram Sabarathinam Adnan Akber Tariq Rashid Dhanu Radha Samayamanthula Yogeesha Jayaramu Bedour Alsabti Water Research Centre Kuwait Institute for Scientific ResearchP.O.Box:24885Safat 13109Kuwait

The impact of reverse osmosis(RO)rejects in the groundwater presents a significant challenge in arid *** study collected groundwater samples,product water,and reverse osmosis brine(ROB)from evaporation ponds and analyzed them for major ions and trace *** boreholes were drilled near the ROB site along the flow direction,and borehole sediment samples were *** samples were predominantly gravelly sand,and the depth to water level fluctuated around 30 m below ground level(bgl),with minerals mainly consisting of calcite,gypsum,and *** loggers reflected a rise in water level(16 mS/cm)during the cropping period in many locations,confirming the impact of ROB in *** results were further supported by enriched signatures ofδ^(18)O(∼+1.5‰)andδ^(2)H(∼+15‰).The saturation index of the minerals reflected that carbonate minerals(Calcite>Dolomite)were saturated in the ROB relative to the *** vertical variation of mineral assemblages in the boreholes indicated gypsum precipitation in the capillary zone along with calcite and *** assemblage varies as the groundwater moves from the disposal *** speciation of different compounds along the groundwater path indicated higher carbonate and sulfate species(CaCO_(3)>CaHCO_(3)>CaSO_(4)>NaSO_(4)>MgSO_(4))near the disposal site,with variations along the flow *** the significant variation in temperature in the region(5 to 50℃),the water sample composition was modeled using PHREEQC,suggesting that the increase in temperature led to supersaturation of epsomite and gypsum *** ROB was theoretically mixed with groundwater and product water in different proportions,and an optimum composition(10:90)for safe disposal was derived and tested fit for reuse in agriculture.

关键词： Brine disposal Groundwater Geochemistry Monitoring Modeling Recommendation