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时间-成本
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  time-cost
     Study of a GA-based Theory for Time-Cost Tradeoff Problem in Construction Projects
     基于GA的工程项目时间-成本均衡理论研究
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     A Case Study on the GA-based Theory for Time-Cost Tradeoff Problem in Construction Projects
     基于GA的工程项目时间-成本均衡理论实证研究
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     On the Application of Computer Assisted Management System in Determining the Time- Cost Balance in Construction Project Management
     计算机辅助决策在工程项目管理时间-成本平衡中的应用
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     The Application of Linear/Integer Program in the Time-cost Tradeoff Problem
     线性规划在时间-成本权衡问题中的应用
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     A case study is done in this paper to verify the effectiveness of the GA-based theory for time-cost tradeoff problem in construction projects.
     用一个实例验证了基于遗传算法(GA)的工程项目时间-成本均衡优化理论的有效性。
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  “时间-成本”译为未确定词的双语例句
     The problem of the bi-objective job-shop scheduling is studied by using genetic algorithms.
     本研究应用遗传算法研究了时间 -成本的双目标Job -shop作业计划的优化问题。
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     Research on Framework of ERP System with Double Control from Time and Cost
     时间-成本双主线ERP管理体系研究
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     Research on ERP Management System with Three Mainlines of Time-Cost-Innovation
     时间-成本-创新三主线ERP管理体系研究
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     In this thesis, the structure of information system and the analysis of hierarchy procedure(AHP) is researched, then a decision analysis for Time clue information system and Costing clue information system and Time-costing clue information system given.
     这些模型的建立对CD-MES系统的研发具有较强的指导意义。 论文通过对信息管理体系以及层次分析法的研究,对以时间主线为核心的信息管理体系、以成本主线为核心的信息管理体系和时间-成本双主线的信息管理体系进行决策分析,为江苏长电股份有限公司科学的选择信息系统模型提供了有力的支持。
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     At last the design and implement of DDSPMS is given, DDSPMS is a new software project management system in the web environment and stand out the feather of " double control from time and cost.
     最后,系统给出基于Web环境下,突出“时间-成本双主线”特点的新型软件项目管理系统—DSPMS的设计构架和设计实现。
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  相似匹配句对
     Time
     时间
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     Time is...
     时间
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     THE TIME COST that family repair the inside
     家庭装修中的时间成本
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     the expand and innovation of cost management time;
     成本管理时间的拓展与创新;
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     The Application of Linear/Integer Program in the Time-cost Tradeoff Problem
     线性规划在时间-成本权衡问题中的应用
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  time-cost
Research on the fully fuzzy time-cost trade-off based on genetic algorithms
      
A GAs-based fully fuzzy optimal time-cost trade-off model is presented based on fuzzy sets and genetic algorithms (GAs).
      
The method solves the time-cost trade-off problems under an uncertain environment and is proved practicable through a giving example in ship building scheduling.
      
Its main contribution to the urban development process is shown to be its insights into aspects of the optimal time-cost sequence of land development.
      
Three cases of resource allocation are considered: time-cost tradeoff, leveling of resources, and constrained resources.
      
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An enzyme-linked immunosorbent assay (ELISA) for the quantitation of human alpha-fetoprotein is described. This new technique provides a relatively simple, sensitive and reproducible means of the sandwich wethod. Only inexpensive equipment is used as compared with that of RIA. However, sensitivity threshold and reproducibility are within a range comparable to that of RIA. As principal reagent, peroxidase-labeled anti-human alpha-fetoprotein antibodies were prepared by periodate oxidized horseradish peroxidase...

An enzyme-linked immunosorbent assay (ELISA) for the quantitation of human alpha-fetoprotein is described. This new technique provides a relatively simple, sensitive and reproducible means of the sandwich wethod. Only inexpensive equipment is used as compared with that of RIA. However, sensitivity threshold and reproducibility are within a range comparable to that of RIA. As principal reagent, peroxidase-labeled anti-human alpha-fetoprotein antibodies were prepared by periodate oxidized horseradish peroxidase conjugating to an IgG fraction of horse anti alpha-fetoprotein. purification of the conjugate was carried out on Sephadex G-200 column chromatography. A straight curve in the range 12.5-100ng/ml has been obtained. The coefficient of variation of two different concentration samples were 6.3% and 6.8% respectively. The dose-response curve covers a 100-fold range of analytic concentrations. The recovery rate of added antigen was 100.6±5.8%. Results could be obtained within 6 h. Determination results of AFP in 129 clinical samples accord with clinical diagnoses. When alpha-fetoprotein was quantitated in 20 sera both by radioimmunoassay(RIA) and enzyme-linked immunosorbent assay (ELISA), a Correlation coefficient of 0.95 was obtained between the two methods.

本文介绍了一种新的临床甲胎蛋白定量的ELIsA方法。此法操作简单、省时间成本低廉,其灵敏度可以达到RIA水平。适合医院做为常规检查项目。辣根过氧化物酶用过碘酸钠法与抗甲胎蛋白IgG结合。酶标抗体是用SephadexG—200纯化的。标准曲线重现性良好,精密度实验批内变异系数平均为6.5%;回收率为100.6±5.8%;本文在缩短ELISA测定时间上做了改进,提出采用40℃包被和孵育,可在6小时内得到结果。本法与放射火箭电泳自显影法比较20例两法结果的相关系数r=0.95。129例血清甲胎蛋白ELISA测定,结果符合临床诊断。 (本研究标记部分工作在生物系生殖免疫研究室完成,得到刘学高副教授热情帮助和指导;临床部分工作在空军广州医院检验科完成,得到陈汉军、邸红同志大力支持和帮助;本文完成后,请第一军医大学生化室徐铃教授和白求恩大学生化室麦荫乔教授审阅。并提出宝贵意见,特此一并致谢!)

The method of batch process planning on general equipments has been studied in this paper for minimizing the lotal cost and working time. A new concept in term of "cost difference at unit time" has been proposed and used to improve the "progressively reducing error method" applied before. Analysis shows that the new method is more approaching to precise solution than any other method, therefore, has greater economic effeciency.

本文研究了在通用设备上进行成批零件加工的安排方法,以及使总加工成本与总加工工时达到相对最小的措施,提出了单位时间成本差这一新概念,并用于改善已有的逐步缩短偏差法。计算结果表明,按本文提出的方法所得的解更接近精确解,从而可获得更大的经济效益。

A polar coordinate laser direct write system has been investigated,this system is capable of fabricating binaryoptics masks with large aperture and small linewidth.It is compatible for centro-symmetic subset of binary optic patterns. High quality components can be fabricated quickly, easily and at low cost.

本文对极坐标激光直接写入系统进行了初步的研究,介绍了它的原理及结构,该系统可用于二元光学掩模的制作,具有加工孔径大、线宽小的特点,特别适用于圆对称的图形。加工此类图形在制作时间成本、元件质量等方面都优于电子束曝光机。

 
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