629 research outputs found

    Fly ash for high value added applications

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    The applications of fly ash under the category of manufacturing value added products have been broadly classified under two groups i.e., its use for extracting various resource materials like alumina, magnetite, carbon, cenospheres, titanium, gallium and various other trace elements and (ii) its use as raw materials for various specialized applications like ceramics, high temperature and acid resistant bricks, floor and wall tiles, mineral wool,light weight refractory, fillers, synthetic wood, sintered pozzolanic aggregate, building distempers etc. Other promising areas are ash alloys, foam insulation products and decorative glasses. In. this paper, various fly ash value added applications/ products have been subsequently covered

    Acquisition of Images using Neural Network

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    The application of computer vision to the image retrieval problem is Content-based image retrieval (CBIR). The interest in digital images is growing day by day. Users in professional fields are make use of the opportunities offered by the ability to access and manipulate remotely-stored images in different ways. The problems in image retrieval are becoming widely accepted, and the finding solution is an active area for research and development. This dissertation work aims at developing a hybrid scheme for intelligent image retrieval system using neural networks. Each image in the database is indexed by a visual feature vector, which is extracted using color moments and discrete cosine transform coefficients. The query is characterized by a set of predefined semantic labels. A novel method of similarity measure using dot product is used for ranking and retrieval for improved performance of the system DOI: 10.17762/ijritcc2321-8169.15050

    Ten ERK-related proteins in three distinct classes associate with AP-1 proteins and/or AP-1 DNA

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    We have identified seven ERK-related proteins (“ERPs”), including ERK2, that are stably associated in vivo with AP-1 dimers composed of diverse Jun and Fos family proteins. These complexes have kinase activity. We designate them as “class I ERPs.” We originally hypothesized that these ERPs associate with DNA along with AP-1 proteins. We devised a DNA affinity chromatography-based analytical assay for DNA binding, the “Nucleotide Affinity Preincubation Specificity Test Recognition” (NAPSTER) assay. In this assay, class I ERPs do not associate with AP-1 DNA. However, several new “class II” ERPs do associate with DNA. p41 and p44 are ERK1/2-related ERPs that lack kinase activity and associate along with AP-1 proteins with AP-1 DNA. Class I ERPs and their associated kinase activity thus appear to bind AP-1 dimers when they are not bound to DNA and then disengage and are replaced by class II ERPs to form higher order complexes when AP-1 dimers bind DNA. p97 is a class III ERP, related to ERK3, that associates with AP-1 DNA without AP-1 proteins. With the exception of ERK2, none of the 10 ERPs appear to be known mitogen-activated protein kinase superfamily members

    A comparative study on outcome of conservative and surgical treatment of type III supracondylar fracture of humerus in children

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    Background: Supracondylar fracture of humerus is most common of all the fractures around the elbow in children. They occur most commonly in children more so in male child with the peak around 5-8 years. Objective of this study was to compare the outcome of 3 different modalities of treatment for supracondylar fracture of humerus.Methods: Children with type III supracondylar fracture of humerus were categorized into group A, group B, group C based on conservative, closed reduction and percutaneous K wire fixation and open reduction and K wire fixation modalities of treatment given. All the children were followed for 6 months and the outcome of treatment was evaluated using Flynn’s criteria.Results: 40 children were treated with 3 different modalities of treatment. The rate of complications was less in children who were operated on first day of admission (p=0.02). Group B and group C had 80% and 61.11% excellent results and group A had 47.05% poor results. The outcome was better with cross K wire pinning than lateral pinning (p=0.015).Conclusions: Supracondylar fracture of humerus should be operated as early as possible to reduce the rate of complications. The outcome of surgical treatment was better than conservative treatment evaluated in terms of Flynn’s criteria. Cross wire pinning was better than lateral pinning in terms of outcome, but the rate of neuropraxias was more with cross wire pinning

    The role of computed tomography in the evaluation of cerebrovascular accidents

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    Background:Cerebrovascular accidents (CVA) or stroke ranks first in frequency and important among all the neurological diseases of adult life. 50% of neurological disorders in a hospital are of this type. It is the third leading cause of death throughout the world. The prolonged morbidity and extended hospitalization required by these patients makes the disease one of the most devastating in medicine. The purpose of the present study was to document the presence or absence of hemorrhage or infarct, to determine the size, location of infarct, reasonably assessing the territory to blood vessels involved and to detect the incidence of negative cases of clinically suspected stroke.Methods:100 cases admitted to KIMS, Hubli and those referred to the NMR scan centre, Hubli with the clinical diagnosis of acute stroke were taken up for the study. The study was done from May 2010 to April 2012.Results:Out of 100 patients clinically suspected of CVA, submitted for CT scan study of the brain, 69 patients had infarcts, 21 patients had hemorrhage, 8 patients had CVT, 1 patient had SAH and 1 patient had normal scans. Infarcts (69%) formed the major group of the CVA cases involving most commonly the LMCA territory in 10 (14.49%) patients. Hemorrhage (21%) formed the second major group of CVA cases involving most commonly the RMCA territory 9 (42.85%) patients.Conclusions:CT scanning is a gold standard technique for the diagnosis and management of stroke and can be ideally done in all cases.The role of computed tomography in the evaluation of                cerebrovascular accident

    Metal-ion-dependent oxidative DNA cleavage by transition metal complexes of a new water-soluble salen derivative

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    A new water-soluble, salen [salen = bis(salicylidene) ethylenediamine]-based ligand, 3 was developed. Two of the metal complexes of this ligand, i.e., 3a, [Mn(III)] and 3b, [Ni(II)], in the presence of cooxidant magnesium monoperoxyphthalate (MMPP) cleaved plasmid DNA pTZ19R efficiently and rapidly at a concentration ≈ 1 μM. In contrast, under comparable conditions, other metal complexes 3c, [Cu(II)] or 3d, [Cr(III)] could not induce any significant DNA nicking. The findings with Ni(II) complexes suggest that the DNA cleavage processes can be modulated by the disposition of charges around the ligand

    A STUDY ON SUPPLY CHAIN MANAGEMENT AT MANUFACTURING AND CONSTRUCTION INDUSTRIES HOSUR

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    Our goals are to guarantee just-in-time manufacturing, promote transparency, strengthen supplier ties, and cost-effectively optimise logistics. By performing frequent audits and reviews, we carefully choose our suppliers based on their quality, dependability, and cost-effectiveness. On-time delivery, inventory turnover, supplier performance, and cost-to-revenue ratios are some important performance indicators. Continuous progress is ensured via frequent evaluations and benchmarking. Delivering high-quality goods while meeting changing market needs and maintaining accountable, robust supply chain operations is a priority for Micro Tech CNC Pvt Lt

    Magnetohydrodynamics flow of a nanofluid driven by a stretching/shrinking sheet with suction

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    The present paper investigates the effect of a mathematical model describing the aforementioned process in which the ambient nanofluid in the presence of suction/injection and magnetic field are taken into consideration. The flow is induced by an infinite elastic sheet which is stretched along its own plane. The stretching/shrinking of the sheet is assumed to be proportional to the distance from the slit. The governing equations are reduced to a nonlinear ordinary differential equation by means of similarity transformation. The consequential nonlinear equation is solved analytically. Consequences show that the flow field can be divided into a near-field region and a far-field region. Suction on the surface plays an important role in the flow development in the near-field whereas the far-field is responsible mainly by stretching. The electromagnetic effect plays exactly the same role as the MHD, which is to reduce the horizontal flow resulting from stretching. It is shown that the behavior of the fluid flow changes with the change of the nanoparticles type. The present study throws light on the analytical solution of a class of laminar boundary layer equations arising in the stretching/shrinking sheet problem
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