Topic
Literature survey
About: Literature survey is a research topic. Over the lifetime, 15372 publications have been published within this topic receiving 459196 citations.
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TL;DR: Renal papillary necrosis and chronic renal insufficiency can occur with the prolonged use of these drugs, although the prevalence of this manifestation of nonsteroidal anti-inflammatory drug nephrotoxicity is unknown.
144 citations
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TL;DR: In this paper, the authors identify and mathematically evaluate suitable methods to transfer information between nonlinear computational fluid dynamics (CFD) and computational structural dynamics (CSD) grids, where the data to be transferred can include a variety of field variables, such as deflections, loads, pressure, and temperature.
Abstract: The objective was to identify and mathematically evaluate suitable methods to transfer information between nonlinear computational fluid dynamics (CFD) and computational structural dynamics (CSD) grids. This data transfer is vital in the field of computational aeroelasticity, where the interpolation method between the two grids can easily be the limiting factor in the accuracy of an aeroelastic simulation. The data to be transferred can include a variety of field variables, such as deflections, loads, pressure, and temperature. For a method to be suitable, it is important that it provide a smooth, yet accurate transfer of data for a wide variety of functional forms that the data may represent. An extensive literature survey was completed that identified current algorithms in use, as well as other candidate algorithms from different implementations, such as mapping and CAD/CAM. The performance of the various methods was assessed on a number of analytical functions, followed by a series of applications that have been or are currently being studied using nonlinear CFD methods coupled with linear representations of the CSD equations (equivalent plate/shell mode shapes and influence coefficient matrices). Two methods, multiquadric-biharmonic and thin-plate spline, are shown to be the most robust, cost-effective, and accurate of all of the methods tested.
144 citations
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TL;DR: In this article, the researches made on Injection type abrasive water jet (AWJ) machining process as it is widely accepted by researchers and Industries for solving various issues.
144 citations
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TL;DR: It is concluded that modulating the expression of SIRT1 might prevent the onset of diseases inexorably linked to the liver, pancreas, and brain.
Abstract: Silent information regulator 1 (SIRT1) is a ubiquitously expressed protein and has an intricate role in the pathology, progression, and treatment of several diseases. SIRT1 is a NAD+-dependent deacetylase and regulates gene expression by histone deacetylation. Deletion of SIRT1 in the liver, pancreas, and brain significantly increases the reactive oxygen species (ROS) and inflammatory response. Literature survey on SIRT1 shows the evidence for its role in preventing oxidative stress and inflammation. Oxidative stress and inflammation are closely related pathophysiological processes and are involved in the pathogenesis of a number of chronic disorders such as fatty liver diseases, diabetes, and neurodegenerative diseases. Both oxidative stress and inflammation alter the expression of several genes such as nuclear factor E2 related factor (Nrf2), nuclear factor E2 related factor 2 (Nef2), nuclear factor kappa B (NF-kB), pancreatic and duodenal homeobox factor 1 (PDX1), interleukin-1 (IL1), forkhead box class O (FOXO), and tumour necrosis factor alpha (TNF-α). By annotating this knowledge, we can conclude that modulating the expression of SIRT1 might prevent the onset of diseases inexorably linked to the liver, pancreas, and brain. Graphical Abstract Role of silent information regulator 1 (SIRT1) in the pancreas, brain, and liver.
144 citations
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TL;DR: An extensive study of aerial vehicles and manipulation/interaction mechanisms in aerial manipulation is presented and the shortcomings of current aerial manipulation research are highlighted and a number of directions for future research are suggested.
144 citations