Application of mathematical method to optimization of energy usage in greenhouse cucumber
In this study a mathematical Analysis is used to estimate the energy efficiencies of cucumber producers based on eight energy inputs including human labor, diesel fuel, machinery, fertilizers, chemicals, water for irrigation, electricity and seed energy and single output of cucumber production. Data were collected using face-to-face surveys from 20 greenhouses in Isfahan province of Iran. Energy indices, technical, pure technical and scale efficiencies were calculated by using Data Envelopment Analysis (DEA) approach for 20 cucumber greenhouses. Total energy input and output were calculated as 163994 MJha-1 and 62496 MJha-1, respectively, whereas diesel fuel consumption with 45.15% was the highestlevel between energy inputs. Energy output-input ratio, energy productivity and net energy gain were 0.38, 0.47 kg MJ?1, -101498MJ ha?1, respectively. Results showed that DEA approach was a very useful tool for benchmarking and improving the energy efficiency in agricultural production. The use of this methodology provides an important knowledge about the wasteful uses of energy.
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Assessing the impact of dewatered faecal matter on mobilization of heavy metals (Cu, Zn, Pb and Cd) in compost and garden soils
A well sorted municipal solid waste which was composted and co-composted with other materials such as dewatered faecal sludge and ammonium sulphate as enrichment were used in the amendment of a 15 kg soil contained in 147 (43.2 x 35.6 cm) polythene bags for two cropping seasons. Impact of the dewatered faecal sludge on the speciation of heavy metals, Cu, Zn, Pb and Cd in the co-compost (Co), enriched co-compost (Eco) and garden soils (S) were evaluated. The results of the analysis reveal Co and Eco have about 50 % of Cu, 75 – 80 % of Zn and 80 – 85 % Cd highly bound organically. Lead was 60 % bound to organic fraction in Co and Eco, same as the other composts. The amended soils had 30 – 50 % Cu and 30 % Zn organically bound as the dominant fraction. Lead shifted and was 55 – 65 % dominant in the residual fraction whiles Cd was below detection.
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Axillary aneurysm due to Behcet’s disease revealed by nerve compression
Aneurysms of the axillary artery are rare, most often they are pseudo-aneurysms of post-traumatic origin, The pathophysiology of aneurisms in Behcet’s disease remains poorly understood and rare in axillary localization. We report the case of a patient who consults for signs of nerve compression of the left upper limb due to an axillary aneurysm, the patient suffers also of Behcet's disease, the revealing mode of the aneurysm and the rarity of this complication prompted us to report this interesting observation.
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Biodiversity of Tamirabarani river estuary
Estuarine diversity is one of the important aquatic diversity. It is a connecting link between the fresh water and marine water resources. Around 70 % of living organism particularly aquatic organism and human beings were presented in the bank of Estuarine. So it's called as rich habitat or livelihood area for all organism and also otherwise called as cradle of culture. Most of culture originated from the bank of rivers and estuarine area. In recent days estuarine diversity has been affected by various aspect like hydro biological activity and seasonal fluctuations, polluting factors and other man made activities. due to this reason estuarine diversity has been changed and de-promoted their nature. In this reason most of aquatic organism especially estuarine diversity decreased their nature of quality and quantity. This study mainly observed the study area diversity and the usage of nearby peoples.
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Can non human animals be allowed to enjoy rights?
Non human animals are used and exploited by human beings for different purposes such as, agriculture, carrying goods, circus, medical experiment and in laboratory for research activities where they have to suffer more. But against these cruel activities some thinkers have raised their voice. They are in favour of granting rights to them. They thought that being sentient, non human animals have feelings of pleasure and pain and therefore they are right bearers. They are entitled to enjoy their basic interest such as, avoiding suffering. In this paper I shall try to justify that we ought to allow rights to non human animals , particularly right to life.
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Certain new summation formulae of hypergeometric function
The main objective of the present paper is to establish certain new formulae in the aspects of Hypergeometric function.
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CFD Analysis of Centrifugal Air Compressor for Turbocharged IC Engine
Compressor characteristics, being representations of the compressor pressure ratio as a function of gas flow through the compressor have been studied. Compressors are used in turbochargers to increase the pressure of air and also its density greater than ambient. Choosing the right compressor is very important in obtaining best power output of engine by turbocharging, so it is important to have compressor map for matching turbocharger with a particular engine. Compressor map is drawn by running compressor at varying speeds and mass flows. In this paper compressor characteristics were investigated through CFD analysis.
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5948. Cloud Computing
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| Anchal Jain and Srishti Aneja |
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Abstract |
Pdf
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Category : Computing and Informatics | Sub Category : Computer Engineering |
Cloud Computing
Cloud computing is the emerging technology in IT industry Cloud Computing helps the startup companies to implement their ideas and grab opportunities without worrying about the capital needed to start their Business plan. It is built on the concept of virtualization, utility computing, networking and Autonomic computing. The aim of this paper is to provide better understanding of the security challenges of cloud computing and analyze the research direction in this widely uses technology affecting people . In this paper, we present the prospect of cloud computing, its architecture and pros and cons of Cloud Computing .
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Comaring the effect of emotional intelligence on the marketing of economic firms and marketing intelligence of managers (Case study: Bu Ali industrial estate of Hamadan)
This study, entitled "Investigating the Effect of EQ and marketing intelligence on the success of marketplaces in marketing" was conducted with an overall objective and 5 sub-objectives in the Bou_Ali industrial estate of Hamadan in 2013. This research is a descriptive-analytic study in the form of a causal - comparative survey. The research population consists of 180 individuals and includes all the managers and persons in charge of the manufacturing and service factories in Bu Ali industrial estate. The sample size was measured at 123 by Cochran's formula and it was randomly selected. Data were collected through three questionnaires. One standardized Sherring EQ questionnaire with 33 questions and two researcher-made questionnaires for marketing intelligence and marketing success, and were analyzed using SPSS software version 19 and by multivariate regression. Face and content validity of three questionnaires were measured and then assessed by Cronbach's alpha coefficient, which in all questionnaires was 0/70. Results showed that EQ had effect on the success of marketers and marketplace. Accurate results suggest regarding the three factors of the overall success in marketing, analyzing the market, and selecting target markets, the EQ was stronger than the marketing intelligence. But the marketing intelligence functions more strongly than EQ only in two factors: fusion of marketing elements and efforts in marketing
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Comparative Evaluation of the Growth performance and Feed Intake of Weaned Rabbits Fed Tropical Grasses and selected Forage leaves
Twenty weaned rabbits of mixed sexes aged between 8 to 9 weeks were randomly allotted to five dietary treatments with four rabbits per treatment. Each rabbit was used as a replicate. Three tropical grasses and leaves from two forage plants were used to prepare the diets. The leaves were obtained from Myrianthus arboreus and Gmelina arborea two common forages and the tropical grasses incude Tridax procumbens, Pannicum maximum and Pennisetum purpureum. Parameters studied include average weekly feed intake, average weekly weight gain, feed conversion ratio and feed efficiency ratio. The study was carried out in the rabbit section of the Faculty of Agriculture Research and Teaching Farm of the Delta State University, Asaba Campus Delta State Nigeria. Significance was reported at 5% level of probability and the means were separated using Duncan's Multiple Range Test Procedure. Significant differences were observed for all parameters measured between all the test materials. Variations in feed intake and weight gain were observed and values obtained were within the ranges of reported values.
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