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Seismic response of precast reinforced concrete wall subjected to cyclic in-plane and constant out-of-plane loading

Frontiers of Structural and Civil Engineering 2021年第5期15卷 1128-1143页

作者： shubham singhal Ajay CHOURASIA Soraj Kumar PANIGRAHI Yogesh KAJALE Council of Scientific and Industrial Research Central Building Research InstituteRoorkee 247667India Academy of Scientific and Innovative Research(AcSIR) Ghaziabad 201002India BG Shirke Construction Technology Pvt.Ltd. Pune 411036India

This paper provides insight into the seismic behavior of a full-scale precast reinforced concrete wall under in-plane cyclic loading combined with out-of-plane loading replicated by sand backfill to simulate the actual condition of basement *** tested wall exhibited flexural cracks,owing to the high aspect ratio and considerable out-of-plane movement due to lateral pressure from the *** wall performed satisfactorily by exhibiting competent seismic parameters and deformation characteristics governed by its ductile response in the nonlinear phase during the test with smaller residual *** analysis was conducted to validate experimental findings,which complied with each *** numerical model was used to conduct parametric studies to study the effect of backfill density and aspect ratio on seismic response of the proposed precast wall *** in-plane capacity of walls reduced,while deformation characteristics were unaffected by the increase in backfill *** increase in aspect ratio leads to a reduction in in-plane capacity and an increase in *** between the ratio of in-plane yield capacity and design shear load of walls are proposed for the backfill density,which may be adopted to determine the in-plane yield capacity of the basement walls based on their design shear.

关键词： precast wall basement wall out-of-plane response quasi-static test sand backfill seismic parameters

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Development of Non-enzymatic Cholesterol Electrochemical Sensor Based on Polyindole/Tungsten Carbide Nanocomposite

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Journal of Analysis and Testing 2020年第1期4卷 13-22页

作者： shubham Sharma Preeti Joshi Sameena Mehtab Md.Ghulam Haider Zaidi Kavita singhal Tanveer Irshad Siddiqi Department of Chemistry College of Basic Sciences and HumanitiesG.B.Pant University of Agriculture and TechnologyPantnagarUttarakhand 263145India Department of Chemistry D.I.T UniversityMussoorie Diversion RoadMakkawalaDehradunUttarakhand 248001India

Non-enzymatic electrochemical sensor was developed for estimation of low-level ***/tungsten carbide(PIN/WC)nanocomposite was synthesized and used as an electroactive material to develop low-cost modified stainless steel plate electrode(SSPE).Surface morphology of developed electrode was characterized by scanning electron *** behavior of cholesterol was investigated through electron impedance spectroscopy,potentiodynamic polarization and cyclic voltammetry in 1-M KOH electrolytic *** quantification of cholesterol was studied by square wave voltammetry and differential pulse *** calibration plots between the cholesterol concentration and peak current were in linear relation with limit of detection of 1.23×10^(−6) mol L^(−1).The overall result reveals that developed PIN/WC/SSPE electrode has excellent performance for trace-level cholesterol estimation and can be further employed for cholesterol monitoring in blood serum samples.

关键词： Electrochemical sensor Polyindole Nanocomposite Cholesterol Voltammetric techniques

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Role of Probiotics in Pancreatic Cancer Prevention: The Prospects and Challenges

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Advances in Bioscience and Biotechnology 2016年第11期7卷 468-500页

作者： Barkha singhal Ankita Mukherjee shubham Srivastav School of Biotechnology Gauatm Buddha University Greater Noida India

Pancreatic cancer is expressed as a disorder of chaos that leads to impairment in biochemical and metabolic physiology of pancreas. It is considered as the most intractable and fatal among all gastrointestinal (GI) cancers. The early occurrence of metastatic spread and the development of intrinsic and acquired resistance during drug treatment limit its prognosis at the right time. The universalized treatment involves surgical resection in which only a minority (in vitro, animal and clinical studies are required for worthy manifestations.

关键词： Gut Microbiota Immunomodulation Lifestyle Diseases Probiotics Pancreatic Cancer Pancreatitis

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