16 research outputs found

    Tourist Satisfaction and Destination Loyalty: A Case study of the World Heritage Site of Ellora Caves

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    The willingness of Tourists to revisit a destination is strongly influenced by tourist satisfaction which plays a vital role in improving destination loyalty. The present research aims to study destination loyalty of the tourists based on their satisfaction at the world heritage site of Ellora caves in India.The sampling group of the study consisted of 60 tourists who visited Ellora Caves in July 2019. Pearson correlation analysis was applied for data analysis. The study concluded that there was a positive and strong affiliation between tourist satisfaction and destination loyalty. Constructive suggestions like adherence of strict rules & regulations and quality training programmes for service providers were given to improve tourist’s delight at Ellora Caves. The suggestions given are applicable for destination planners, and tourism authorities for future revisits

    A Study on Zigbee Based Human Body Monitoring System

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    This paper introduce us a real time body monitoring system. In now a day’s security and health care becomes an hard issue. To take off and to monitor a patient continuously is very hard and huge task for doctors. This system plays an important role in monitor patients physical and mental health conditions. ZigBee can measure physical parameters like temperature, heart rate, blood pressure, patient’s movement with the help of some devices either inserted in body or externally attached to human body. It helps to get correct or accurate readings from human body and passes it to ZigBee. Next step is to process the data. The data will be sent to hospital or doctor if in case of any emergency by ZigBee wireless module. The hospital and monitoring system receive all the information about patients and save this information into database from which they can judge the condition of patients by studying the monitoring records and patient’s health. This data can be deployed in graphical form or in numerical form in dataset. According to the information collected from monitoring system the patient doctors having advantage to understand the patient condition more gracefully and also start the treatment according to continues information gathers

    Mucoadhesive carbamazepine gel for in situ olfactory delivery

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    Purpose: To formulate mucoadhesive carbamazepine gel for delivery to the brain via the olfactory mucosa. Methods: Carbamazepine transfersomes were formulated using Lipoid S 100 and sodium cholate. The transfersomes were evaluated for entrapment efficiency, in vitro release transmission electron microscopy, zeta potential, polydispersity index. The transfersomes were then incorporated into gellan gum gel, and the in situ gel formulation was evaluated for drug content, gel strength, in vitro release and mucoadhesive force. Transfersomes were also evaluated for bioanalytical study in rats. Result: TEM analysis showed good regular spheres. The negative zeta potential ensures resistance to aggregation. The gel strength of the formulations was in the range of 0.6 to 7.4 g. In vitro diffusion study of transfersomal gel showed Fickian diffusion mechanism. Formulation F6 was optimized depending for gel strength (6.4 g) , drug content (99.47 ± 0.25 %), and good mucoadhesive force (50.24 ± 0.76 dyne/cm2). Bioanalytical study of F6 showed increased drug concentration in brain. Conclusion: Mucoadhesive carbanmazepine gel can be used effectively to achieve increased concentration of drug in the brain via olfactory mucosal rout

    A New Methodology for Contactless Energy System Using Inductive Coil Positioning Flexibility

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    This paper portrays a system, Contactlesstransmission of electrical energyfrom a power source to an electrical load without interconnecting conductor. As of late, expanded remote power exchange frameworks innovation exploration has prompted frameworks with higher effectiveness. Contactless transmission is helpful in situations where interconnecting wires are badly arranged, incomprehensible or perilous. These days electrically worked hardware's are associated with the supply by means of plugs & sockets, however can be hazardous or have constrained life in the vicinity of dampness. In dangerous areas and in submerged applications, the Contactless EnergyTransmission System(CETS), by which electrical energy may be transmitted, without electrical association or physical contact, through nonmagnetic media of low conductivity. The CETS has been utilized to exchange up to 5kW over a 10-mm crevice, utilizes high-frequency attractive coupling and empowers module power associations will be made in dangerous natural conditions without the danger of electric shock, short-circuiting, or starting. With contactless Inductive Power Transfer (IPT), it is conceivable to exchange electrical energy to stationary or mobile consumers without contacts, links, or slip rings, another precise and particular configuration displayed in this paper

    Search and analysis of giant radio galaxies with associated nuclei (SAGAN) -- I : New sample and multi-wavelength studies

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    We present the first results of a project called SAGAN, which is dedicated solely to the studies of relatively rare megaparsec-scale radio galaxies in the Universe, called giant radio galaxies (GRGs). We have identified 162 new GRGs primarily from the NVSS with sizes ranging from ~0.71 Mpc to 2.82 Mpc in the redshift range of ~0.03 - 0.95, of which 23 are hosted by quasars (giant radio quasars, GRQs). As part of the project SAGAN, we have created a database of all known GRGs, the GRG catalogue, from the literature (including our new sample); it includes 820 sources. For the first time, we present the multi-wavelength properties of the largest sample of GRGs. Our results establish that the distributions of the radio spectral index and the black hole mass of GRGs do not differ from the corresponding distributions of normal-sized radio galaxies (RGs). However, GRGs have a lower Eddington ratio (ER) than RGs. Using the mid-infrared data, we classified GRGs in terms of their accretion mode: either a high-power radiatively efficient high-excitation state, or a radiatively inefficient low-excitation state. We find that GRGs in high-excitation state statistically have larger sizes, stronger radio power, jet kinetic power, and higher ER than those in low-excitation state. Our analysis reveals a strong correlation between the ER and the scaled jet kinetic power, which suggests a disc-jet coupling. Our environmental study reveals that ~10% of all GRGs may reside at the centres of galaxy clusters, in a denser galactic environment, while the majority appears to reside in a sparse environment. We find that the probability of BCG as a GRG is quite low. We present new results for GRGs that range from black hole mass to large-scale environment properties. We discuss their formation and growth scenarios, highlighting the key physical factors that cause them to reach their gigantic size. Abridged.Comment: Accepted for publication in Astronomy & Astrophysics. 14 figures, 7 tables and 7 montages. Comments are welcome. "SAGAN Project website https://sites.google.com/site/anantasakyatta/sagan

    `Zwicky's Nonet': a compact merging ensemble of nine galaxies and 4C 35.06, a peculiar radio galaxy with dancing radio jets

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    We report the results of our radio, optical and infra-red studies of a peculiar radio source 4C~35.06, an extended radio-loud AGN at the center of galaxy cluster Abell 407 (z=0.047z=0.047). The central region of this cluster hosts a remarkably tight ensemble of nine galaxies, the spectra of which resemble those of passive red ellipticals, embedded within a diffuse stellar halo of ∌\sim1~arcmin size. This system (named the `Zwicky's Nonet') provides unique and compelling evidence for a multiple-nucleus cD galaxy precursor. Multifrequency radio observations of 4C~35.06 with the Giant Meterwave Radio Telescope (GMRT) at 610, 235 and 150 MHz reveal a system of 400~kpc scale helically twisted and kinked radio jets and outer diffuse lobes. The outer extremities of jets contain extremely steep spectrum (spectral index -1.7 to -2.5) relic/fossil radio plasma with a spectral age of a few ×(107−108)\,\times (10^7 - 10^8) yr. Such ultra-steep spectrum relic radio lobes without definitive hot-spots are rare, and they provide an opportunity to understand the life-cycle of relativistic jets and physics of black hole mergers in dense environments. We interpret our observations of this radio source in the context of the growth of its central black hole, triggering of its AGN activity and jet precession, all possibly caused by galaxy mergers in this dense galactic system. A slow conical precession of the jet axis due to gravitational perturbation between interacting black holes is invoked to explain the unusual jet morphology.Comment: Published in MNRAS | No. of pages 12, 10 figures and 4 tables. Comments are welcom

    COMPARISON BETWEEN STATIC AND DYNAMIC ANALYSIS OF ELEVATED WATER TANK INTERNATIONAL JOURNAL OF CIVIL ENGINEERING AND TECHNOLOGY (IJCIET)

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    ABSTRACT In earthquake resigns, the elevated water tanks are one of the most important lifeline structures. In major cities & also in rural area, elevated water tanks forms an integral part of water supply scheme. The elevated water tank must functional even after the earthquakes as water tanks are required to provide water for drinking and firefighting purpose. The main object of this paper is -1. To compare the Static and Dynamic analysis of elevated water tank. 2. To study the dynamic response of elevated water tank by both the methods. 3. To study the hydrodynamic effect on elevated water tank. 4. To compare the effects of Impulsive and Convective pressure results. From detail study and analysis it was found that, for same capacity, same geometry, same height, with same staging system, with same Importance factor & Response reduction factor, in the same Zone; response by equivalent static method to dynamic method differ considerably. Even if we consider two cases for same capacity of tank, change in geometric features of a container can shows the considerable change in the response of tank. As the capacity increases difference between the response increases. Increase in the capacity shows that difference between static and dynamic response is in increasing order. It is also found that, for small capacity of tank the impulsive pressure is always greater than the convective pressure, but it is vice-versa for tanks with large capacity. Magnitude of both the pressure is different

    Production of Extracellular Matrix Proteins in the Cytoplasm of E. coli: Making Giants in Tiny Factories

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    Escherichia coli is the most widely used protein production host in academia and a major host for industrial protein production. However, recombinant production of eukaryotic proteins in prokaryotes has challenges. One of these is post-translational modifications, including native disulfide bond formation. Proteins containing disulfide bonds have traditionally been made by targeting to the periplasm or by in vitro refolding of proteins made as inclusion bodies. More recently, systems for the production of disulfide-containing proteins in the cytoplasm have been introduced. However, it is unclear if these systems have the capacity for the production of disulfide-rich eukaryotic proteins. To address this question, we tested the capacity of one such system to produce domain constructs, containing up to 44 disulfide bonds, of the mammalian extracellular matrix proteins mucin 2, alpha tectorin, and perlecan. All were successfully produced with purified yields up to 6.5 mg/L. The proteins were further analyzed using a variety of biophysical techniques including circular dichroism spectrometry, thermal stability assay, and mass spectrometry. These analyses indicated that the purified proteins are most likely correctly folded to their native state. This greatly extends the use of E. coli for the production of eukaryotic proteins for structural and functional studies

    Discovery of giant radio galaxies from NVSS: radio and infrared properties

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    International audienceGiant radio galaxies (GRGs) are one of the largest astrophysical sources in the Universe with an overall projected linear size of ∌0.7 Mpc or more. The last six decades of radio astronomy research has led to the detection of thousands of radio galaxies. However, only ∌300 of them can be classified as GRGs. The reasons behind their large size and rarity are unknown. We carried out a systematic search for these radio giants and found a large sample of GRGs. In this paper, we report the discovery of 25 GRGs from the National Radio Astronomy Observatory Very Large Array Sky Survey, in the red-shift range z ∌ 0.07 to 0.67. Their physical sizes range from ∌0.8 Mpc to ∌4 Mpc. Eight of these GRGs have sizes ≄2 Mpc, which is a rarity. Here, for the first time, we investigate the mid-infrared (IR) properties of the optical hosts of the GRGs and classify them securely into various active galactic nuclei types using the WISE mid-IR colours. Using radio and IR data, four of the hosts of the GRGs were observed to be radio-loud quasars that extend up to 2 Mpc in radio size. These GRGs missed detection in earlier searches possibly because of their highly diffuse nature, low surface brightness and lack of optical data. The new GRGs are a significant addition to the existing sample. They will contribute to a better understanding of the physical properties of radio giants
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