Chemical reaction and MHD effcets on flow past an exponentially accelerated vertical plate with variable temperature and uniform mass diffusion
An exact solution of unsteady flow past an exponentially accelerated infinite isothermal vertical plate with variable temperature and uniform mass diffusion in the presence of chemical reaction of first order has been studied. The plate temperature is raised linearly with respect to time and concentration level near the plate is raised uniformly. The dimensionless governing equations are solved using the Laplace-transform technique. The velocity, temperature and concentration profiles are studied for different physical parameters like magnetic field parameter, chemical reaction parameter, thermal Grashof number, mass Grashof number, Schmidt number, time and a. It is observed that the velocity decreases with increasing magnetic field parameter.
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Children insurance plans: a collative and analytical study
It is the primary responsibility of all parents to fulfill the child’s dreams and aspirations. With mounting inflation and hence a higher cost of living, parents have to ensure that their child is able to lead a life of respect and self-esteem with a financially secured future. Children’s plans offered by life insurers have emerged as a smart way to propose financial security to the children. The study examines the children’s plans offered by selected life insurers in India. It is found that plans floated by insurers are unique in providing financial means to children to pursue their goals, and these plans are the best available alternative to save and invest for the safe and bright future of the child. However, it is problematic for an individual to comprehend the trick of inherent and latent charges in these plans. The study observed that children’s plan SMART Steps Plus of Max New York Life and Young Star Plus II of HDFC SL are worth considering to save for child’s better future. On the basis of study it can be inferred that Young Star Plus II of HDFC SL is better in terms of inherent features and diverse charges as compared to SMART Steps Plus of Max New York Life.
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Clinical images in medicine; Giant bladder stone
Urinary stones are frequent. Prevalence rates vary from 1% to 20%. Young adults are the most frequent affected with about 11% of male and 7 % of female population. Stone incidence depends on geographical, climatic, ethnic, dietary and genetic factors. Diagnosis is based on imaging, biochemical laboratory work-up and stone analysis via infrared spectroscopy. Bladder stones are generally of small sizes caused by bladder outlet obstruction and their treatment is relatively easy via endoscopic instrumentation. Giant bladder stones are rare in current urological practice. We here-in report a case of a 80-year-old male patient who presented to our department with lower urinary tract symptoms mainly pollakiuria and dysuria evolving for 5 years. Clinical examination revealed hypogastric pain at palpation and an enlarged prostate. Computed tomography bladder imaging showed a 6-cm giant bladder stone and 150 g enlarged prostate. Open cystolithotomy was performed to concomitantly extract the stone weighing 400 g and treat the enlarged prostate.
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Combined Effect of Organic Fertilizer and Vermicast for Organic Onion (Allium cepa L.) Production in Fully Converted Organic Area
A field experiment was conducted to evaluate the influence of organic fertilizer application in the production of organic onion. The study was conducted in a fully converted organic field at CLSU RM-CARES using the following treatment; treatment 1 was the control or no fertilizer, treatment 2 was the organic fertilizer at 8 t/ha applied before transplanting, treatment 3 was the vermicast at 8 t/ha applied before transplanting, treatment 4 was combined organic fertilizer and vermicast at the same rate of 4 t/ha applied before transplanting, and the treatment 5 was combine organic fertilizer at 4 t/ha and vermicast at 4 t/ha, half of each fertilizer material was applied before transplanting and another half was applied 30 days after transplanting. Results revealed that combined organic fertilizer vermicast application as biofertilizer had no influence on the diameter size and weight of individual bulb after harvest. However, application of combined organic fertilizer and vermicast at the rate of 4 t/ha of each fertilizer materials applied before transplanting significantly increased the production of marketable bulb, yield per plot and computed yield per hectare. On the other hand, nitrogen and phosphorus uptake of onion was observed a comparable results to all fertilizers applied. Moreover, plants fertilized with combined organic fertilizer and vermicast at the same rate of 4 t/ha each of fertilizer materials applied before transplanting significantly obtained the highest potassium uptake with 2.36 t/ha . Follow up studies on the effect on growth and yield of combined fertilizer material should be conducted to confirm and further explain our findings.
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Comparative effect of various photo-substituted transition metal complexes derived from hexaminecobalt(III) chloride on thermal properties of polyaniline nanocomposites
The present paper reviews the comparative effect of different transition metal complexes derived from hexaminecobalt(III) chloride metal complex on the thermal properties of polyaniline nanocomposites. These metal complexes are obtained through photo-substitution route in which some of the amine ligands of the hexaminecobalt(III) chloride metal complex are photochemically substituted by different organic ligands like 1,10 phenenthroline, pyrazine and imidazole. It is observed that the metal complexes thus synthesised containing both organic and inorganic moieties enhance the thermal stability of polyaniline to a great extent as compared to simple hexamine metal complex filled nanocomposite. However, as far as the role of different incorporating organic ligands of metal complexes on the thermal properties of polyaniline nanocomposites are concerned, there seems to be little or no effect.
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Creeping flow past a porous sphere with solid pore embedded in porous medium
The solution of the problem of slow flow of an incompressible viscous fluid past a porous sphere with solid pore embedded in another porous medium is investigated. The Brinkman equation for the flow inside and outside the porous sphere in their stream function formulation is used. Explicit expressions are investigated for stream function, shear stress and normal stress for inside and outside region. The drag force experienced by a porous sphere with solid pore embedded in a porous medium is also evaluated.
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Cyber crime against women and the Law: an analysis
In 2000, an MMS Scandal featuring a minor girl from a South Delhi Public School performing oral sex on her classmate was leaked online. The clip was reportedly put up without the girl’s consent. The scandal started a dangerous trend of video recording of intimate moments and uploading them on the Internet due to the monetary benefits associated with it or the ‘kick’ derived by a jilted Male partner in tarnishing the reputation of the female participant. The IT Law which was in its nascent stage at that time showed its total inability to counter this problem. A decade hence and after a comprehensive amendment to the statute, the Cyber Law in India still shows an eerie inability to prevent or punish such acts. Apart from this, women in the cyberspace are vulnerable to a variety of crimes such as Identity theft, Cyber Morphing, Obscene messaging, Cyber Defamation etc. Usually, the victim has little or no recourse against the criminal since such crimes are committed anonymously. This coupled with an untrained police, onerous enforcement mechanism, and lack of technology to undo the cyber attack and most importantly the stigma associated with the event leaves Women disempowered in the Cyber Space. Also, the patriarchal setup of the society sees them as a willing participant rather than a victim to the crime. The Anara Gupta Sex Scandal Case is one classic example of how difficult it is for a victim of Cyber Crimes to get justice in India. Against the foregoing backdrop, the paper will analyze some pertinent loopholes in the Cyber Law in India. The paper also attempts to suggest some structural reforms apart from the amendments in the substantive Law which need to be incorporated to improve the situation which is otherwise grim.
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Death Clustering of Neonates & its Determinants in India
The increased reach of health programs in India, during the past few decades, has significantly contributed to declining in postnatal mortality including the infant, child & other mortality. However, reduction in neonatal mortality remained negligible. About 70% neonatal deaths take place within a week after birth. The prime objective of this study is to explore the death clustering of the neonates and its determinants in India. 3rd round of National Family Health Survey (NFHS-3), India, 2005-06 data was used for this study. Bivariate analysis followed by multivariate analysis (Binary logistic regression) was performed to identify the determinants of neonatal mortality. Moran’s I & Univariate LISA cluster map was used to explore the spatial clusters of neonatal deaths in India. Univariate Moran’s I (Moran’s I=0.215) was significant i.e. spatial dependence exists for neonatal deaths in Indian states. The Univariate LISA cluster map explored significant hotspots of neonatal deaths which were Bihar, Chhattisgarh, Jharkhand, MP, Odisha, Rajasthan, UP and WB. The estimated odds of neonatal death was 2.75 times higher (OR=2.75; 95% CI: 2.21-3.43) among smaller size neonates than the average & larger size neonates. The odds of neonatal death was found 2.39 times, 2.73 times & 1.84 times higher among those mothers who had an illiterate, primary & secondary level of education as compared to mothers who had higher education. The risk of neonatal death among 1st (OR=1.43) and more than 4th (OR=1.35) order births was positively higher than 2nd to 3rd order births. Based on the findings, the study proposes various approaches to address the increasing contribution of neonatal deaths in India. The findings suggest that raising mother education & providing a healthy diet to pregnant women, can bring a quick substantial reduction of neonatal mortality and the target fixed can be achieved. So, it is necessary to encourage & support women for higher education. This study proposes to provide the combination of the continuum care for maternal, neonatal, and child health by integrating a family-community based service delivery approach with the existing health care system especially to the death clusters in India.
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Density Functional Theory investigation, Hirshfeld surface analysis, Natural bonding orbital study and Docking studies of Triphenylphosphin
Triphenylphosphine [TPP] used in synthesis of organic and organo metallic compounds is investigated for its fundamental reactive properties by density functional theory [DFT] calculations. Natural bond orbital (NBO) analysis enables in comprehending the stability and charge delocalization in the title molecule. Hirshfeld surface analysis for visually analyzing intermolecular interactions in crystal structures employing surface contours and 2D fingerprint plots has been used to scrutinize molecular shapes. Besides NLO, Frontier molecular orbitals and global reactivity descriptors values are calculated. Molecular electrostatic potential map, Fukui Function, Mulliken atomic charges, natural population analysis, Atomic Polar tensors and Thermodynamic analysis were performed. The solvent effects were investigated for obtained molecular energies, hardness and atomic charge distributions were studied for the title compound at TD-DFT method. The binding activity of the molecule with biological targets was examined by docking analysis.
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Design and implementation of 500W remote controlled transformer-less solar system
Over 70% of the photovoltaic (PV) systems are designed with transformers which are galvanic isolations. However, such inverters are big, heavy and expensive with low efficiency. In this work, a transformer-less PV system is introduced. It is smaller, lighter, and cheaper with higher efficiency as compared to the transformer of the same rating. The proposed inverter employs push pull circuit, an H bridge circuit, the oscillating circuit, an automatic changeover dual battery bank and an RF remote control circuit unit. The switching technique of the proposed inverter consists of a pulse width modulation system along with grid synchronization condition. As the suggested method is entirely transformer-less, there is a reduction in transformer loss which tremendously reduces the total harmonic distortion (THD) to even less than1% with an assumption of; inductor is ideal without any internal resistance, the switches and diodes are ideal with the dead line between the switches are neglected. A filtering capacitor provides a nearly constant output current which stabilizes the system rapidly and reduces harmonics generated by the switching circuit. Overall performance of the proposed inverter was simulated with PROTEUS and validated with MATLAB which produced a pure sinusoidal waveform as the output voltage. The proposed inverter minimizes size and increases the inverter efficiency to 90% which can be used in our homes, offices and schools for lightening and charging.
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