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Engineering Costs and Production Economics最新文献

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A decision network application to batch size determination for single-stage systems 决策网络在单级系统批量大小确定中的应用
Engineering Costs and Production Economics Pub Date : 1991-05-01 DOI: 10.1016/0167-188X(91)90028-Z
John S. Oakland, Amrik S. Sohal, Andrew Wirth
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引用次数: 0
A heuristic procedure for determining ordering and price-discount policies for commodities with two-period perishability 一种确定两期易腐商品订货和价格折扣政策的启发式程序
Engineering Costs and Production Economics Pub Date : 1991-05-01 DOI: 10.1016/0167-188X(91)90031-V
D. Gupta, Z. Dai
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引用次数: 9
Economic production of a product and replenishment of its raw materials 一种产品的经济生产及其原料的补充
Engineering Costs and Production Economics Pub Date : 1991-05-01 DOI: 10.1016/0167-188X(91)90025-W
S.K. Goyal
{"title":"Economic production of a product and replenishment of its raw materials","authors":"S.K. Goyal","doi":"10.1016/0167-188X(91)90025-W","DOIUrl":"10.1016/0167-188X(91)90025-W","url":null,"abstract":"<div><p>In this paper a search procedure is suggested for determining the economic manufacturing policy for a product and the economic ordering policy for the raw materials required by the product. The objective is to determine an operating policy that minimizes the total relevant cost. An example is solved to illustrate the procedure.</p></div>","PeriodicalId":100476,"journal":{"name":"Engineering Costs and Production Economics","volume":"21 2","pages":"Pages 111-115"},"PeriodicalIF":0.0,"publicationDate":"1991-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0167-188X(91)90025-W","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77078803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
An engineering-economic evaluation of enhanced recovery of saudi crudes by chemical flooding 化学驱提高沙特原油采收率的工程经济评价
Engineering Costs and Production Economics Pub Date : 1991-05-01 DOI: 10.1016/0167-188X(91)90024-V
M.S. Al-Blehed, M.H. Sayyouh, S.M. Desouky
{"title":"An engineering-economic evaluation of enhanced recovery of saudi crudes by chemical flooding","authors":"M.S. Al-Blehed,&nbsp;M.H. Sayyouh,&nbsp;S.M. Desouky","doi":"10.1016/0167-188X(91)90024-V","DOIUrl":"10.1016/0167-188X(91)90024-V","url":null,"abstract":"<div><p>An approach for economic evaluation of crude oil displacement by chemical solutions (surfactant and/or alkaline) was developed. The approach developed is based on a probability distribution of escalating prices of oil, chemicals, polymers and brine, operating and capital costs. Experimental data from an actually existing Enhanced Oil Recovery (EOR) study of Safaniyah oil field using surfactant solution as chemical were used to assess the validity of the proposed approach. The optimum surfactant slug size for the displacement process under test conditions was determined. The effects of residual oil saturation, and oil and surfactant prices on the determination of optimum slug size were investigated. The results showed that these three parameters have a great effect on the decision of applying a more economical recovery process.</p></div>","PeriodicalId":100476,"journal":{"name":"Engineering Costs and Production Economics","volume":"21 2","pages":"Pages 105-109"},"PeriodicalIF":0.0,"publicationDate":"1991-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0167-188X(91)90024-V","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82559664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Costs of disposal of sewage sludge: a case study 处理污水污泥的成本:个案研究
Engineering Costs and Production Economics Pub Date : 1991-05-01 DOI: 10.1016/0167-188X(91)90027-Y
K. Hau, D. Sculli
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引用次数: 2
A decision network application to batch size determination for single-stage systems 决策网络在单级系统批量大小确定中的应用
Engineering Costs and Production Economics Pub Date : 1991-05-01 DOI: 10.1016/0167-188X(91)90028-Z
J. Oakland, A. Sohal, A. Wirth
{"title":"A decision network application to batch size determination for single-stage systems","authors":"J. Oakland, A. Sohal, A. Wirth","doi":"10.1016/0167-188X(91)90028-Z","DOIUrl":"https://doi.org/10.1016/0167-188X(91)90028-Z","url":null,"abstract":"","PeriodicalId":100476,"journal":{"name":"Engineering Costs and Production Economics","volume":"71 1","pages":"143-153"},"PeriodicalIF":0.0,"publicationDate":"1991-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86316459","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A heuristic procedure for determining ordering and price-discount policies for commodities with two-period perishability 一种确定两期易腐商品订货和价格折扣政策的启发式程序
Engineering Costs and Production Economics Pub Date : 1991-05-01 DOI: 10.1016/0167-188X(91)90031-V
D. Gupta, Z. Dai
{"title":"A heuristic procedure for determining ordering and price-discount policies for commodities with two-period perishability","authors":"D. Gupta,&nbsp;Z. Dai","doi":"10.1016/0167-188X(91)90031-V","DOIUrl":"https://doi.org/10.1016/0167-188X(91)90031-V","url":null,"abstract":"<div><p>In this paper, the problem of jointly setting order quantity of fresh items and discount price of one-period old items is modelled as a stochastic dynamic program for commodities that perish in two periods. It is solved using a heuristic procedure that decouples inventory decisions in any two consecutive periods by assuming a salvage value of leftover fresh items that is also the price paid for the entering stock of one-period-old items. For an assumed salvage value, the single period expected profit maximizing ordering - discount policy pair is identified. The <em>m</em>-periods planning problem is then solved by sequentially solving <em>m</em> single period problems. Numerical examples reveal some valuable insights about the inter-dependencies between order quantity and discount price. The percent discount is found to be insensitive to the assumed salvage value.</p></div>","PeriodicalId":100476,"journal":{"name":"Engineering Costs and Production Economics","volume":"21 2","pages":"Pages 177-190"},"PeriodicalIF":0.0,"publicationDate":"1991-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0167-188X(91)90031-V","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91639689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Mathematical modeling of the AGVS capacity requirements planning problem AGVS容量需求规划问题的数学建模
Engineering Costs and Production Economics Pub Date : 1991-05-01 DOI: 10.1016/0167-188X(91)90030-6
R. Kasilingam
{"title":"Mathematical modeling of the AGVS capacity requirements planning problem","authors":"R. Kasilingam","doi":"10.1016/0167-188X(91)90030-6","DOIUrl":"https://doi.org/10.1016/0167-188X(91)90030-6","url":null,"abstract":"","PeriodicalId":100476,"journal":{"name":"Engineering Costs and Production Economics","volume":"91 1","pages":"171-175"},"PeriodicalIF":0.0,"publicationDate":"1991-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80517184","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 23
Integrated time-functions and cost-functions as a basis for analysis of complex production systems 综合时间函数和成本函数作为分析复杂生产系统的基础
Engineering Costs and Production Economics Pub Date : 1991-05-01 DOI: 10.1016/0167-188X(91)90023-U
A.D.M. van de Ven, L. Florusse
{"title":"Integrated time-functions and cost-functions as a basis for analysis of complex production systems","authors":"A.D.M. van de Ven,&nbsp;L. Florusse","doi":"10.1016/0167-188X(91)90023-U","DOIUrl":"10.1016/0167-188X(91)90023-U","url":null,"abstract":"<div><p>In practice as well as in literature there is a strong emphasis on developing techniques for the control of production systems. Without attention for the production chain in which such a production system is embedded, this can easily lead to local suboptimization. This paper introduces two analysis tools (the integrated time-function and the integrated costfunction) aimed at preventing such suboptimization.</p></div>","PeriodicalId":100476,"journal":{"name":"Engineering Costs and Production Economics","volume":"21 2","pages":"Pages 95-103"},"PeriodicalIF":0.0,"publicationDate":"1991-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0167-188X(91)90023-U","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80185227","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Costs of disposal of sewage sludge: a case study 处理污水污泥的成本:个案研究
Engineering Costs and Production Economics Pub Date : 1991-05-01 DOI: 10.1016/0167-188X(91)90027-Y
K.C. Hau, D. Sculli
{"title":"Costs of disposal of sewage sludge: a case study","authors":"K.C. Hau,&nbsp;D. Sculli","doi":"10.1016/0167-188X(91)90027-Y","DOIUrl":"https://doi.org/10.1016/0167-188X(91)90027-Y","url":null,"abstract":"<div><p>This paper examines the ways and the costs of disposing sewage sludge and other associated solids. The objective of the overall plan is to minimize costs while maintaining an acceptable risk to human health, to living resources, and to public amenities. The current disposal methods are considered with reference to local constraints and environmental factors.</p></div>","PeriodicalId":100476,"journal":{"name":"Engineering Costs and Production Economics","volume":"21 2","pages":"Pages 133-141"},"PeriodicalIF":0.0,"publicationDate":"1991-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0167-188X(91)90027-Y","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91607893","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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