Modelling single product

Xem 1-20 trên 38 kết quả Modelling single product
  • Epistasis marker effect models incorporating products of marker values as predictor variables in a linear regression approach (extended GBLUP, EGBLUP) have been assessed as potentially beneficial for genomic prediction, but their performance depends on marker coding.

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  • In this article, we consider a single-unit unreliable production system which produces a single item. During a production run, the production process may shift from the in-control state to the out-of-control state at any random time when it produces some defective items. The defective item production rate is assumed to be imprecise and is characterized by a trapezoidal fuzzy number.

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  • This study uses an alternative fabrication scheme to study the effect of rework of nonconforming items and delayed differentiation on a multiproduct supply-chain system. Traditional economic production quantity model focuses on a single-product inventory system where all products made are assumed to be perfect quality and finished products are issued continuously.

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  • This book presents innovative proven methods for determining whether a CRM strategy for changing the way a company provides service (by adding new technology, processes, and procedures) will realize the return on the investment projected. The chapters of the book define important terms, identify the main vendors and actors, and set out the benefits CRM users can expect to experience and the functionality that is available.

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  • In this paper, an integrated inventory model is developed from the perspective of a single vendor and multi-buyers for deteriorating items under fuzzy environment and inflation. In the development of the model, it is assumed that all costs parameters, demand and the production rates are imprecise in nature; they are represented by the trapezoidal fuzzy numbers, as these parameters are not constant and can be disturbed due to daily market changes.

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  • This paper presents a feasibility study for producing the medical isotope 99mTc using the hazardous and currently wasted radioisotope 99Tc. This can be achieved with the nuclear resonance fluorescence (NRF) phenomenon, which has recently been made applicable due to high-intensity laser Compton scattering (LCS) photons. In this work, 21 NRF energy states of 99Tc have been identified as potential contributors to the photo-production of 99mTc and their NRF cross-sections are evaluated by using the single particle estimate model and the ENSDF data library.

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  • Economic plan play an important role for every product. The priority of every sampling plan is the reduction in time and cost, which totally depends on the sampling plan, a decision regarding rejection and acceptance of the lot is taken on the basis of a single sample. The purpose of this paper is to design an economic model to obtain optimal total cost on the basis of average total inspection (ATI).In a single sampling plan, one sample of items is selected at random from a lot and the disposition of the lot is determined from the resulting information.

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  • In this paper, we propose a multi−period mixed integer nonlinear programming (MINLP) model for an optimal planning and scheduling of the production and transportation of multiple petroleum products from a refinery plant connected to several depots through a single pipeline system.

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  • In this study, a single product is considered which starts to deteriorate with constant rate of replenishment and demand rate is time and price dependent exponential function.

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  • Many Chinese and Japanese models are working in India, but these existing models could not become much popular due to some problems like planting more seedlings per hill, complex construction design and more cost. It has been proved an ergonomically, more plants lead to less production. The main aim of this research was to reduce complex construction design and improve accuracy of rice transplanter.

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  • The principles of the relational model were first outlined by Dr. E. F. Codd in a June 1970 paper called “A Relational Model of Data for Large Shared Data Banks.” In this paper, Dr. Codd proposed the relational model for database systems. The more popular models used at that time were hierarchical and network, or even simple flat file data structures. Relational database management systems (RDBMS) soon became very popular, especially for their ease of use and flexibility in structure.

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  • Distillation is probably one of the oldest systematic processes in the field of chemistry and chemical engineering which goes back to the first century AD. The initial concepts were applied in the production of distilled water. Distillation was a single step batch process at the beginning. However, fractional distillation as is used today was developed more than 10 centuries later.

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  • The feedback from oil prices to economic activity is captured by a reduced-form production function that allows us to separately specify shocks to the output gap (transitory shocks to output), shocks to potential output (permanent shocks to the level of output), and shocks to potential output growth (permanent shocks to the growth rate of output). The richness of this specification helps us to model the complicated interactions of oil price movements and GDP, where both trend and gap decline if oil prices increase.

    pdf45p loixinloi 08-05-2013 45 7   Download

  • Process control is recognized as an important means of improving the performance and consistency of thermoplastic parts. However, no single control strategy or system design is universally accepted, and manufacturing systems continue to produce defective components during production. This chapter provides an overview of modeling, measurement, and control strategies in polymer processing, and discusses some of the difficulties posed by their complex and distributed nature.

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  • Liquidity management: A more centralized (branch) model would allow global banks with wholesale operations to manage liquidity more efficiently at the group level, allowing them to transfer liquidity where it is most needed (in normal times, as well as at times of stress, absent barriers placed on transferring funds across jurisdictions in excess of the regulatory requirements).

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  • Our final set of results addresses heterogeneity in the effects of television on test scores. The effects on verbal, reading, and gen- eral knowledge scores are most positive for children from house- holds where English is not the primary language, for children whose mothers have less than a high school education, and for nonwhite children. When we combine student observables into a single index of parental investment—the time parents spent read- ing to their children in early childhood—we find that the effect of television is significantly more positive the lower is parental investment.

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  • SAP2000 represents the most sophisticated and user-friendly release of the SAP series of computer programs. When initially released in 1996, SAP2000 was the first version of SAP to be completely integrated within Microsoft Windows. It features a powerful graphical user interface that is unmatched in terms of ease-of-use and productivity. Creation and modification of the model, execution of the analysis, and checking and optimization of the design, and production of the output are all accomplished using this single interface.

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  • The population is continuing firms in these time periods. Since we cannot distinguish organic from acquired growth, we study total growth. In order to relate to previous literature, we use employment and sales as growth indicators, yet in addition we introduce productivity and value added. 7 Productivity growth is defined as growth in value-added based labor productivity, which is the single most frequently used productivity statistic (OECD, 2001 p. 12).

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  • Reactive oxygen species (ROS) are products of normal metabolic activities and are thought to be the cause of many diseases. A selenium-containing single-chain abzyme 2F3 (Se-2F3-scFv) that imitates glutathione peroxidase has been produced which has the capacity to remove ROS. To evaluate the antioxidant ability of Se-2F3-scFv, we con-structeda ferrous sulfate/ascorbate (Vc/Fe 2+ )-inducedmito-chondrial damage model system and investigated the capacity of Se-2F3-scFv to protect mitochondria from oxi-dative damage.

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  • It is inconceivable today to imagine designing buildings without the use of computers. They are used at every step of the architectural process, from conceptual design to construction. Three­ dimensional modeling and visualization, generative form finding, scripted modulation systems, structura and thermal analyses, project management and coordination, and file-to-factory production are just some of the digital practices employed by architects and building consultants.

    pdf5p quynho77 13-11-2012 40 0   Download



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