Rough Set: Buzzword of Data Classification
Classification is an important Data Mining Technique with broad applications in every walk of life. It is termed as classifying each item in a set of data into one of predefined set of classes or groups. The present study compares the performance evaluation of Naïve Bayes, Random Forest, k Star, Multilayer Preceptron, j48 classification algorithm and Rough Set Theory. The paper presents the experimental results about classification accuracy and explores that the accuracy of Rough Set Theory is improved than other algorithms. Keywords: Rough Set Theory, Naïve Bayes, Random Forest, k Star, Multilayer Precepron and j48.
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Scaled quantum chemical studies of the structure and vibrational spectra of 2-chloro-1-fluoro-4-nitrobenzene and 2,4-dibromo-1-fluorobenzene
The FTIR and FT-Raman spectra of 2-Chloro-1-Fluoro-4-Nitrobenzene (CFNB) and 2,4-Dibromo-1-Fluorobenzene (DBFB) have been recorded in the region 4000-400 cm-1 and 3500-50 cm-1, respectively. The structural and spectroscopic data of the molecule in the ground state were calculated by using density functional theory (DFT) employing B3LYP 6-311++G and 6-311++G(d,p) basis set. The geometry of the molecule was fully optimized, vibrational spectra were calculated and fundamental vibration were assigned on the basis of total energy distribution (TED) of the vibrational modes calculated with scaled quantum mechanical (SQM) method.
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Silk based biomaterial in combination with honey and RHEGF for diabetic wound healing
Silk fibroin (SF), a naturally occurring protein polymer, has several unique properties such as biocompatible, slowly biodegradable, minimal inflammatory reaction and endowed with excellent mechanical properties and process ability. The silk blended scaffolds were prepared by using SF as vehicle with dextrin and other healing agent of honey and Epidermal growth factor (rhEGF) is used as drug releasing model. Scanning electronic microscope (SEM) was used to observe the morphology of prepared scaffolds for process versatility and the highly specific surface area. The structure was studied by Fourier transform infrared. The samples, treated at different concentration of honey and EGF, are analysed to investigate the growth inhibition effect of bacterial growth. These data showed the potential application of silk based scaffolds along with honey and rhEGF is intended to provide improved environments for zone of incubation when compared with normal scaffolds without rhEGF. Next the wound pus samples were collected from different diabetic patients and they were tested for antimicrobial test. Silk scaffolds had shown a promising natural product with healing for wound treatment. Processing silk scaffolds with honey and EGF offers a very attractive opportunity for producing a variety of medical products with great potential for bio medical end uses due to its superior biocompatibility of Silk. This prepared silk fibre based protein scaffold would be better in healing of diabetic wound healing as a very widespread model.
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Simplified modeling of hydraulic governor-turbine for stable operation under operating conditions
Power system performance is a?ected by dynamic characteristics of hydraulic governor-turbines during and following any disturbance, such as occurrence of a fault, loss of a transmission line, a rapid change of load or hydraulic transients. Accurate modeling of hydraulic governor-turbines is essential to characterize and diagnose the system response during an emergency. In this paper, the identification/development and implementation of hydraulic systems in power plants via literature survey and computer based simulations have been described and it has been analyzed with comparing different models. This article examines the responses of different models through simulation in MATLAB/SIMULINK. The results obtained provide an insight into the interaction between electrical and hydraulic system of hydro power plant governed by di?erent governor settings, so that the system may remain unaffected during any disturbance.
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Smart electricity grids with high efficiency plasmonics-based solar cells
This paper presents an improvement method for future smart electricity grid performance using high efficiency solar cells. The smart grid offers several advantages for the connection of solar (renewable) energy sources to provide an efficient operation and better performance of the power systems. Finite-difference time domain (FDTD) method is employed to simulate the light transmission, reflection and absorption of high efficiency solar cell structures. Simulation results show that the reflection loss is reduced with the use of nanostructures compared with the flat type substrates. Therefore, the proposed solar cells will inject more energy into the electricity grid and hence improving the overall system performance.
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Structural and magnetic properties of LiFePO4 cathode material prepared by polyol technique
Nano-crystallite LiFePO4 cathode material has been prepared by polyol technique. The crystalline structure, functional group vibration analyses of the prepared cathode material were characterized by X-ray diffraction (XRD), Fourier transfer infrared spectroscopy (FT-IR) and Raman Studies. The surface morphology of synthesized material has been studied by scanning electron microscopy (SEM) and the compositional analysis has also been carried out through EDX analysis. It is inferred from XRD result that LiFePO4 powder have an orthorhombic structure with a space group of Pmna. The magnetic properties of the fine particles of LiFePO4 were examined by vibrating sample magnetometer (VSM) at room temperature, which showed that the prepared sample exhibited a tiny hysteresis loop with the coercivity of 401.81 G.
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Study the relationship between adiponectin with thyroid hormones and cortisol in Type 2 diabetic patients (NIDDM)
Thyroid hormones has profound effects of lipid metabolism and carbohydrate homeostasis . Abnormalities in serum lipids and lipoproteins are frequent findings in thyroid dysfunction, mainly in hypothyroidism. Impaired glucose tolerance and insulin resistance have been documented in patients with thyroid dysfunction. In addition, thyroid hormones are remarkable regulators of energy metabolism, being the adipose tissue the largest fuel storage compartment. Furthermore, thyroid hormones share some physiological actions with adiponectin, such as reduction of body fat by increasing thermogenesis and lipid oxidation .However, a few number of studies have found low adiponectin levels in hypothyroid subjects (Díez and Iglesias, 2009). Cortisol excess in man is characterized by abdominal obesity, hypertension, glucose intolerance or diabetes and dyslipidemia. All these features share a state of insulin resistance, and contribute to high cardiovascular risk typical of this condition. Glucocorticoids negatively regulate adiponectin mRNA in human visceral adipose tissue. Cortisol counteracts the action of insulin at multiple sites, and increases hepatic gluconeogenetic efficiency (Fallo et al.,2004). Study the relationship between adiponectin with thyroid hormones and cortisol for both gender and for both control and diabetic groups also in diabetic patients according to duration of disease. This study was conducted between November 2010- November 2012 and, it was carried out at the diabetic Centre / Merjan Teaching Hospital in Babel Province by taking 120 diabetic patients(Type II DM) (60 male and 60 female) with disease duration (0-5),(>5-10 )and (>10 )years ,with age average (30-65 year)and most of them were on oral hypoglycemic drugs. While the study included 40 people apparently healthy that included 20 male and 20 female with age average (30-65 year).
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Synthesis and antimicrobial studies of some new s-triazine based chalcones, acetylpyrazolines and aminopyrimides
Some new chalcones, 2-4 bis (tetrahydro - 1,4-oxazine)-6-[4'-{3''-(substituted phenyl) -2''-propenon-1''-yl} phenyl amino]-s-triazine (6a-f) have been achieved by the reaction between 2-4-(bis- tetrahydro- 1,4-oxazine) -6-(4'-acetylphenylamino)-s-triazine (5) and different aromatic aldehydes, which on cyclisation with hydrazine hydrate in presence of acetic acid give acetyl pyrazolines (7a-f). Chalcones (6a-f) on cyclisation with guanidine hydrochloride in presence o f alkali give aminopyrimidines (8a-f). The characterization of newly synthesised compounds has been done on the basis of IR, 1H NMR spectral data as well as elemental analysis. All the synthesised compounds have been screened for their antimicrobial activity.
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Synthesis of Newly Cytotoxic and Antimicrobial Organometallic Complexes
Drugs normally synthesized to use as medication to treat diseases like cancer and microbial infections, these synthesized drugs were interested more than naturally-derived drugs which have been shows low activity or not as efficient against diseases. A new ligand 3-methylbenzyl (2Z)-2-[1-(pyridin-4-yl)ethylidene]hydrazine carbodithioate (PE3MBC) and its Cd(II), Cu(II), Co(II) and Zn(II) metal complexes. The new ligand and metal complexes were characterized via various physico-chemical and spectroscopic techniques. Cd(II) complex show more activity against microbes and against cancer cell line MCF-7, while other complexes does not shows activity like cadmium complex, all the complexes does not shows any activity against MDAMB-231 cell line. The fatal of the cancer and the microbes cell was due to inhibition of DNA synthesis which was probably due to chelating with metals complexes, or could be referred to lipophilicity, presence of hydrophobic moiety in the complex molecule, also could be due to steric effects and electronic effects.
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Synthesis of some novel s-triazine derivatives and their potential antimicrobial activity
Novel series of compounds containing 2-(2-substituted benzylidene hydrazinyl)-4-(4-(4-methoxyphenyl) piperazin-1-yl)-6-(4-tolyl oxy)-1,3,5-triazine (s-triazine) derivatives were synthesized. The formed compounds have been evaluated by physical methods (melting point, TLC, elemental analyses) and upon spectral data (IR and NMR). The newly synthesized compounds were also evaluated for antimicrobial activity against variety of bacterial strains in which some of these derivatives exhibited potential antibacterial and antifungal activity.
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