Learning curve A graph showing the mathematical relationships between the quantity of firm's accumulative product and that of input to every unit of product. 学习曲线所描述的是企业累积性产品产量与每一单位产量所需要投入要素数量之间的关系。
Study on mathematical model of feature mapping in domains between product design and manufacturing 零件设计与制造域间特征映射数学模型的研究
The paper reports a mathematical model of appraising the plotting product quality which is built up by using the principle of blurry integrative judgement. In support of the software of the mathematical model, the measurable results of evaluation can be typed out by the compute operation. 应用模糊综合评判原理,建立适合测绘产品质量评定的数学模型,在软件的支持下,通过计算机运算,输出可量化的评定结果。
Study on Mathematical Correlation Between Regenerated Catalyst Carbon Contents and FCC Product Distribution 再生剂碳含量与FCC产品分布的数学关联研究
Firstly, a mathematical model of product mix optimization problems based on the Theory of Constraints ( TOC) was established. Capacity constraints of the model were simplified by definition and classification of bottleneck and non-bottleneck. 建立了基于约束理论的产品组合的数学模型,并通过对瓶颈和非瓶颈的定义和归类简化了模型的产能约束。
The method of dynamics analysis based on screw theory is done to build up a dynamical equation of the robots by using the mathematical tools of twist and product exponentials formula in order to finally get the result of driving moments. 基于旋量理论的动力学分析方法是通过使用运动螺旋和指数积公式等数学工具建立起机器人的动力学方程,从而求取机器人的驱动力矩。
Mathematical Simulation for Transformation Product of Austenite vs Cooling Velocity 奥氏体的转变产物与冷却速度关系的数学模拟
In this article, we modify the mathematical model for design of single product batch plants and present a heuristic procedure, including equipment sizing and process synthesis. 本文修正了单产品间歇化工过程设计的数学模型并提出该问题的启发算法,该算法包括设备尺寸计算与过程综合。
Design and mathematical modeling of immobilized cell reactor with simultaneous product separation 产物分离固相化细胞反应器的设计和数学模型
Based on the teaching practice, the difference between mathematical experiment and traditional physical experiment is made, meanwhile, it is maintained that the mathematical experiment is the necessary product of computer technology involving in mathematics. 在教学实践的基础上论述了数学试验课与传统的物理实验的区别、数学实验是计算机技术介入数学教育和研究的产物;
Abstract: It is not enough for us to understand the concepts of product passed and product percent of passed in the extent of mathematical statistics in practical product quality management. 在实际产品生产与质量管理工作中,产品合格与产品合格率的认识不能仅局限于数理统计上的理解。
Research on the Mathematical Model for the Total Product Cost and Its Applications 大批量定制产品总成本构成模型研究
Mathematical model for predicting product separation accuracy of oil distillation column 油品分馏塔产品分离精确度的预测数学模型
The mathematical model and structure for a multi-input-multi-output direct product system are proposed based on the direct product concept of group theory. 本文在直积网络概念的基础上,提出了一种多输入多输出直积系统的结构。
A mathematical model for ATO configuration problems of product family was proposed and Tabu Search algorithm was designed to solve this model. 给出了按订单装配模式下产品族配置问题的数学模型,并设计了Tabu搜索算法对模型进行求解。
The fuzzy and grey evaluation mathematical model for green product design 绿色产品设计的灰色模糊评价模型
Based on the mathematical description of the sales status of enterprise product and some reasonable hypothesis, the main problem of forecasting the sales status of enterprise product is transformed into two sub-problems including forecasting sales volume and forecasting market share. 在企业产品销售状况数理描述和合理假设的基础上,将企业产品销售状况预测归结为销售量预测与市场占有率预测。
On the basis of feature descriptions and the analyzing of feature information conversion processes, the mathematical model of feature mapping in domains between product design and manufacturing is constructed by using the tool of mathematics. 采用数学工具,在特征信息描述的基础上,系统地分析了特征映射中信息演变过程,建立了零件设计与制造域间特征映射的数学模型,探讨了特征映射原理。
Mathematical description and determining method of product platform for developing product families 面向产品族规划的核心平台数学描述及确定方法
The properties of copy-shift bridge functions, such as, recursive relations, mathematical expressions, product natures, orthogonal conditions of the bridge function are discussed further. 进一步研究了先复制后移位桥函数的性质,例如递推关系式、数学表达式、乘积特性及正交条件。
This paper analyses the problems and insufficiencies of the mathematical model in current CAD systems and product lifecycle information model. For example, there is no non geometrical mathematical model data in CAD system, and the existing models are insufficient to resolve the physical problems. 分析了现有CAD系统中,数学模型的问题和不足,主要表现在:现有的CAD系统的数学模型,没有解决产品设计过程中物理问题的处理能力。
This article discusses the relationship between product development time and costs and formulates a mathematical model to identify the optimal entry timing and product performance decisions. 通过建立数学模型,分析产品创新速度与产品性能之间的关系,找寻企业产品创新的最佳周期和最佳性能水平。
A mathematical model for economical benefit estimation was further established in accordance with the mathematical relation between the fresh catalyst make-up and the product distribution. 并依据产品分布与新鲜催化剂添加量的数学关系,建立了较符合重油催化裂化装置生产的经济效益数学模型;
And inquires into the optimum assembly mathematical model of establishing product output from living example. 并通过实例对建立产品产量的最优组合数学模型进行了探讨。
Analyzing the mathematical representation about feature-based product assembly model in UG, the product assembly information is described by levels. 分析了UG系统中基于特征产品装配模型的数学表达,将产品的装配信息进行分层描述。
Simultaneously the mathematical model is bulit with the level of product and the lowest net cost as the goal, which proves the robustness of the strategy. Finally, a new robust scheduling strategy is proposed based on the proactive strategy and reactive strategy. 并以产品水平和净成本最低为目标建立了数学模型,证明了该策略的鲁棒性。最后,本文提出一种基于前摄与反应式策略的鲁棒调度新策略。
Using a series of multiple regression analysis deal with the data, then we get an coke quality prediction of the mathematical model which appropriate to product. 对实验及生产数据进行一系列的多元回归分析,从而得出了一套适合生产使用的焦炭质量预测模型。
At present, the mathematical model for the Laplace transform, Newman product method and the source function method and other methods are commonly used in the horizontal well testing. 目前,水平井试井数学模型的求解普遍采用拉普拉斯变换法、Newman乘积法、源函数法等方法实现。
Subsequently, the paper determines a clear mathematical relationship between the product and manufacturing system on the basis of the analysis. And it also gets a detailed model of the variation model. 随后,在分析各种波动源对产品质量影响的基础上,确定产品与制造系统之间明确的数学关系,得到产品模型和各种波动源的详细模型。