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61.
Organisations willing to succeed in global competition have to integrate their internal and external processes. This especially includes planning and production control (PPC) processes. Optimised allocation of the production resources and quick response to demand changes result in lower cost and improvement of production performance. Practitioners and researchers have been trying to achieve these goals using production planning techniques. Although the results are significant, it seems necessary to integrate production operations in order to improve the production performance. The goals, information and decisions taken in production planning and control and process planning are often very different and difficult to integrate in Cellular Manufacturing (CM) environments. Designing an efficient PPC system and integrating it with process planning in a cellular environment is of the same importance. The following paper proposes first a comprehensive framework of integrated process planning and production planning and control in CM. Then, with respect to this framework and utilising the domain knowledge in the area of CM systems, an integrated model based on Integrated Definition Modeling Language is developed. The application of the models has been considered as a case study for a production system in electronics and telecommunication sector in a plant in Iran. The validity and completeness of the proposed model is tested by a panel of experts in the areas of production planning and control in CM environments. 相似文献
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AbstractTo explore the relationship between sustainability strategies and future energy needs, supply chains need to reduce their CO2 emissions through developing their green credentials and improving performance. Knowledge management (KM) is an enabler to support collaboration efforts. The SCM and KM areas have largely focused on improving organisational performance. While the latter has yielded successful outcomes in different sectors, there is still a scarcity of research on identifying influential factors highlighting those aspects which may enable green supply chain collaboration (GrSCC), thus leading to sustainable energy futures and carbon-efficient production. This paper examines the role of KM in facilitating GrSCC. Through the identification of key factors extrapolated from the literature, a model for implementing GrSCC using a futures-based perspective is proposed. This paper inductively demonstrates the relationship between identified GrSCC factors through fuzzy cognitive mapping technique. Findings support a futures-based perspective that enhances understanding and refines forward-looking strategies for GrSCC. 相似文献
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Amir Hetsroni 《Innovation: The European Journal of Social Science Research》2005,18(4):385-405
The study compares the quiz show Who Wants to be a Millionaire in seven countries – America, Germany, Italy, Russia, Poland, Israel and Saudi Arabia. Through content analysis of 1,888 questions that were collected from 65 programs, this work aims to ascertain the extent of globalization and the structure of knowledge hierarchy, as they find expression in a successful international television format. Three cultural profiles emerge: American, western European and eastern European, which also characterizes the Arab world. The American model features a high percentage of questions on light entertainment and a low amount of language questions. Quizzes from west Europe offer a high proportion of language questions and a medium amount of questions on light entertainment. The Arab quiz and quizzes from east Europe are noted for keeping a higher amount of questions on history and language and a low proportion of questions on light entertainment. In terms of knowledge hierarchy, in all the countries, academic knowledge yields higher prizes than everyday knowledge. 相似文献
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Ghobad Barmalzan Amir T. Payandeh Najafabadi Narayanaswamy Balakrishnan 《统计学通讯:理论与方法》2017,46(20):9869-9880
Let X1, …, Xn be independent random variables with Xi ~ EWG(α, β, λi, pi), i = 1, …, n, and Y1, …, Yn be another set of independent random variables with Yi ~ EWG(α, β, γi, qi), i = 1, …, n. The results established here are developed in two directions. First, under conditions p1 = ??? = pn = q1 = ??? = qn = p, and based on the majorization and p-larger orders between the vectors of scale parameters, we establish the usual stochastic and reversed hazard rate orders between the series and parallel systems. Next, for the case λ1 = ??? = λn = γ1 = ??? = γn = λ, we obtain some results concerning the reversed hazard rate and hazard rate orders between series and parallel systems based on the weak submajorization between the vectors of (p1, …, pn) and (q1, …, qn). The results established here can be used to find various bounds for some important aging characteristics of these systems, and moreover extend some well-known results in the literature. 相似文献
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Amir T. Payandeh Najafabadi Fatemeh Atatalab Maryam Omidi Najafabadi 《统计学通讯:理论与方法》2017,46(1):415-426
Credibility formula has been developed in many fields of actuarial sciences. Based upon Payandeh (2010), this article extends concept of credibility formula to relatively premium of a given rate-making system. More precisely, it calculates Payandeh’s (2010) credibility factor for zero-inflated Poisson gamma distributions with respect to several loss functions. A comparison study has been given. 相似文献
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Amir H. Pakpour Isa Mohammadi Zeidi Masoumeh Ziaeiha Andrea Burri 《Journal of sex research》2014,51(6):646-653
The aim of the present study was to investigate the psychometric properties of a translated and culturally adapted Iranian version of the Female Genital Self-Image Scale (FGSIS-I) in a sample of college women. Further, the relationship between women's self-image, body appreciation, sexual functioning, and gynecological exam behavior was explored. A sample of 1,877 female students from five different universities across Qazvin and Tehran completed the Female Sexual Function Index (FSFI), the Body Appreciation Scale (BAS), the Rosenberg Self-Esteem Scale (RSES), the FGSIS-I, and a gynecological exam behavior questionnaire. Good to excellent internal consistency reliability, test-retest reliability, and convergent and construct validity were found. Exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) both provided a two-factor structure for the FGSIS-I. The validity of the FGSIS-I in predicting gynecological exam behavior of college women was tested using structural equation modeling (SEM). The final model accounted for 33% of the variance in gynecological exam behavior (p < 0.01). In conclusion, the FGSIS-I was found to be a highly valid and reliable instrument to assess female genital self-image in Iranian women. 相似文献
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