使优化
- 与 使优化 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Firstly we choose reaction system of the epoxy resin and polyamide according to its well quality in normal temperature. Then we do a series of experiment to ameliorate dilution, toughness and solidify speed .we have three parts of whole felt system, these three parts have dissimilitude quality in order to felt carbon fiber and concrete tightly, which can work in line.
在研究过程中,首先详细分析了各种环氧树脂固化体系的特点,选择了最适于CFRP加固的常温环氧树脂体系,确定了体系的基本组成,然后通过原料、掺量的变化,进行了一系列单组分优化实验,针对CFRP加固混凝土用粘结材料所要求的功能,通过对基体进行稀释、增韧、填加整平材料进行改性,使整个粘结体系能够共同协调工作,达到良好的粘结效果。
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In this paper, crossover operator and diversity control factor are introduced to keep the harmony between attraction and expand.
该文采用多样性控制与交叉操作,使粒子群在细化搜索与扩展新区之间进行协调,提出了协调粒子群优化算法HPSO。
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In the area of vertical division of labor system of global value chain, which is dominated by developed nations, the manufacturing function of China has been brought into full play, abiding by the principle of optimizing allocation of global resources in light of different production stages or divisibility of production operations and the comparative advantages enjoyed by individual nations.
特别是在发达国家主导下的全球价值链垂直分工体系中,遵循制成品各生产阶段或各生产工序的可分割性和各国的比较优势实现全球资源的优化配置,使发展中国家的中国的"制造功能"更为明显。
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Based on the stability condition, the robust stability of uncertain time-delay T-S fuzzy systems subject to actuator saturation is discussed, and the state feedback gain that maximizes the domain of attraction is designed.In chapter 5, a problem of determing stability domain of time-delay T-S fuzzy systems with input saturation is discussed.
在系统参数不确定的情况下,通过构造适当的Lyapunov-Krasovskii泛函,同样给出了该不确定系统的鲁棒稳定性条件,通过求解线性矩阵不等式形式的约束优化问题,可以得到使吸引域尽可能大的状态反馈增益。
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The KPLS formulae in the form of dual optimization were deduced,which had the style of least squares support vector machine.
推导了KPLS对偶优化形式的公式,且使其具有最小二乘支持向量机的风格。
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According to this way, products designed that not only may educe measurable reliability of running, but also can acquire optimum result of the function parameters.
按照可靠性优化设计方法设计的产品,既能定量地回答产品在运行中的可靠性,又能使产品的功能参数获得优化解。
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A new technique is presented for maximizing the band-edge selectivity of elliptic filters, and then the equal ripple parameter of the quasi-elliptic function can be calculated when the band-edge selectivities of the elliptic function and quasi-elliptic function are the same.
提出了标准椭圆函数的边带优化方法,在此基础上使标准椭圆函数与修正后的准椭圆函数在边带上的衰减相等,得到准椭圆函数的等波纹系数。
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The following points are emphasized:The operation models of adiabatic and diabatic distillation have been set up and the operation block, thermodynamics model and mathematical model in the simulation have been determined as well;(2)Based on the simulation and exergy analysis with Aspen Plus program, shortcut distillation design—DSTWU model and rigorous distillation design—RADFRAC model, the author has determined the heat duty, exergy losses and the distribution of exergy losses along the adiabatic column, which will help the simulation and optimization of the diabatic distillation;(3)Diabatic distillation under various operation conditions has been simulated by using energy balance method and exergy analysis;(4)How the different mixture and the various degree of separation, number of trays and feed location influence exergy saving in diabatic distillation have also been discussed;(5)On the basis of the total exergy losses along the column, different schema of the heat transfer distribution along the column have been compared and analyzed;they can be classified in three categories: heat duty equipartition approach, empirical approach, separation degree matching approach. In conclusion, different heat transfer distribution along the column will have effect on total exergy losses. In particular, most satisfactory results have been obtained by using separation degree matching approach. In order to diminish the exergy losses, heat transfer distribution should meet the needs of the request of separation degree.And on this premise, the author makes his suggestion in increasing the proportion of heat supplied to the tray with minimum exergy losses and decreasing the proportion of heat supplied to the tray with the maximum exergy losses.
本文对透热精馏过程进行了模拟并对其节能效果的影响因素做了较为全面的分析和深入的研究,主要研究内容如下:(1)建立了常规精馏和透热精馏过程的模拟操作模块、热力学模型以及数学模型;(2)利用化工模拟软件Aspen Plus并分别采用DSTWU简捷模型和RADFRAC严格计算模型对常规精馏进行模拟计算和有效能分析,确定常规精馏塔的公用工程热负荷、有效能损失及有效能损失在塔内的分布,为透热精馏的模拟和优化提供数据参考;(3)对不同物系在不同分离度条件下进行透热精馏的模拟,分别采用能量衡算法和有效能分析法进行计算和分析;(4)探讨了各种因素如物系的选择、不同分离度、塔板数、进料位置对透热精馏节能效果的影响;(5)以全塔总有效能损失为比较基准,对热量在塔内的三种分布方案即热负荷平均分配法、经验法和分离度匹配法进行了对比分析并得出结论:塔内热量的不同分布方案对于全塔总有效能损失会产生影响,其中以分离度匹配法的节能效果最为理想,为减少有效能的损失,应使塔内的热量分布满足各塔板的分离度要求,并在此前提下,尽量减小有效能损失大的塔板的热负荷和增加有效能损失小的塔板的热负荷。
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The main problems researched in the dissertation and achievements are as follows: The dissertation explains the science background and the theoretical and actual meaning of the task. The progress and the problems of the flow imaging technique are briefly explained. The advantages of electrical capacitance tomography are discussed. The paper discusses the formation and operating principle of ECT, and builds up the definite mathematical model by detail theoretical analyse, and establishes the Finite Element Model of the system by changing the finite boundary value problem of ECT into equivalence variation problem according to variation principle. On the basis of the FEM of the system, the paper builds the finite element model of the capacitance sensitivity field distribution and programs its finite element simulation software and proves the validity of the FEM of the ECT from different aspects. With the FEM and the qualitative analyse of the effect of each structural parameter of the capacitance transducer on its capability, this paper optimizes the structural parameters of the capacitance transducer, and obviously improves its capability. The compare of the simulated result with the static experimental result shows that the error of them is less than 0.9%.
其主要研究内容包括:阐述课题研究的学术背景及其理论与实际意义,概括总结出流动层析成像技术的发展现状和存在的问题,指出电容层析成像技术的优点;讨论电容层析成像系统的组成及工作原理,进行详尽的理论分析,以变分原理为基础,将ECT的有限元边值问题转换为等价的变分问题,从而建立系统的有限元模型;在系统有限元模型的基础上,建立敏感场的数学模型,编制有限元的仿真软件,并从不同角度证明电容层析成像系统有限元模型的正确性;利用有限元模型,定性地分析电容传感器各结构参数对其性能的影响,并对传感器结构参数进行优化设计,使其性能得到明显的改善。8电极ECT系统的仿真和静态实验结果的比较表明,它们之间的相对误差小于0。
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In chapter 3, the chromatographic fingerprint of Erigeron breviscapus herbal sample was investigated and established by using many extract methods and optimizing experimental conditions.
内容包括提取溶剂的选择,色谱条件的优化及方法学考察等,使建立的色谱指纹图谱具备系统性、特征性和稳定性。
- 推荐网络例句
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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.
Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。
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I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.
我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。
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The shamrock is the symbol of Ireland and of St.
三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。