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Pumping element is an important component of a diesel fuel injection system. This project was carried out in Bosch. Ltd Adugodi, Bangalore. Using Pareto analysis, defects with highest percentage rejections are found. Barrel bore taper more and Honing Lines rejections were 2.5% and 1.8% respectively in the year 2013. Root cause analysis is done using Shainin Technique. Reason for the cause is analyzed and the solution is found. The solution is optimized by analyzing the Physics behind the problem. Optimized solution is validated for a calculated batch over particular period. After validation the solution is incorporated for daily production. The rejections were brought down by more than half.
Most hydropower plants in Nepal are run-off type, which cannot supply the designed amount of energy during dry season and peak demand period resulting in energy crisis. Therefore, pumped storage plants can be an ideal solution to meet the current energy needs of the country. Most of these storage plants make use of a single unit acting both as turbine as well as pump; hence aptly called Reversible Pump Turbine (RPT). This paper explains the new application concept for use of such RPTs as auxiliary unit to supplement the main power unit in hydropower plants of Nepal.
A field study was conducted at the Teaching and Research Farm, University of Agriculture, Makurdi, Nigeria in 2008 and 2009 cropping seasons. The objectives were to identify important determiners of yield characters and to determine the correlations between growth characters viz: number of leaves per plant, length of internodes per plant, number of internodes per plant, leaf area index, net assimilation rate, absolute growth rate, plant height; and yield characters namely: panicles per plant, capsules per plant, capsules per panicle, seeds per plant, dry weight of harvestable material, total dry weight per plant, harvest index, seed yield, 100 seed weight and oil yield at 4, 8, 12, 16, 20, 24 and 28 weeks after sowing(WAS).
The stabilities of ternary complexes of metal ions (copper, nickel, zinc and cobalt) with beta-hydroxy ketone (BHK) derivatives and benzotriazole (BTAZ) derivatives in 50% water + 50% dioxane medium in 0.1 M KNO3 ionic strength at 25 o C using potentiometric pH titrations have been established. The data reveal that the copper forms more stable complexes, which is followed by zinc ion complexes with these ligands. Both nickel and cobalt form complexes with similar stabilities. The stabilities of these complexes are further quantified with Δ log K values, intra-molecular equilibrium constants and percentage of stacking interaction in the ternary systems. The observed positive Δ log K values suggest that the flexible side chain alkyl moiety (butyl group) or aromatic moiety (phenyl group) in BHK ligand overlaps with the fixed aromatic moiety of BTAZ ligand in the ternary complex, which results in the enhanced stabilities for the (BHK-Bu)-Metal(II)-BTAZ and (BHK-Ph)-Met
Bad news always makes the headlines, while good news is rarely reported and, over the past 15 years we’ve seen constant negative headlines when it comes to stock markets. We’ve witnessed two huge market crashes, with the end of the tech bubble in 1999 and the recent financial crisis of 2008 resulting in almost 50% declines. Then every few months we hear of another company blowing up. The latest examples are Tesco, Balfour Beatty and Quindell, and there have also been the Madoff and Enron fraud scandals!