查询词典 optimal process

The theoretical analysis and experimental results show that the result of the first one has bug error with optimal results, and the second one is superior to the former, and the third one is best, which can get the optimal result based on least upper bound of error probability.

证实了"基于最小错误概率上界特征提取"是目前可以用迭代算法完成的最好的特征提取，而"基于马氏距离特征提取"在错误概率上界上升很小的代价下，简化了计算量，也是一种可行的方法。

Based on the traits of the aspherical lens, the sunlight was focused on a very small spot, and then it was transferred into a plastic fiber by an aspherical lens and a selfoc lens. A formula for calculating the optimal length of selfoc lens is presented. The optimal assembly of the aspherical lens and selfoc lens was implemented by the aid of this formula. Therefore, sunlight is coupled into a plastic fiber efficiently.

根据非球面透镜垂轴球差小的特点把太阳光会聚到很小的光点，再利用长度约为1/4节距的自聚焦透镜改变光线的数值孔径使其满足光纤的数值孔径，通过一个计算公式来计算最佳的自聚焦透镜长度，实现非球面透镜和自聚焦透镜的最佳组合，把太阳光以较高的耦合效率耦合进塑料光纤。

At last, for a kind of nonlinear optimal control problems in which the Lie algebra of the system is either 1 or 2 nilpotent, a necessary condition which the optimal control law must satisfied is given.

我们给出了非线性系统可反馈对称化的一个充要条件，并给出了反馈律的构造方法。

The optimal static adsorbing time and desorbing time were both 5 h, the optimal concentration of sample was 3.7 mg/mL, flow speed was 2 mL/min, and eluted with ethanol at the concentration of more than 70% which volume was ten times of elution bed volume, what was better in eluotropic effect with smaller in tailing level. Conclusion HPD100 macroporous resin could be used in the purification of the total flavonoids in Lignum Dalbergiae odoriferae.

结果 静态试验选出HPD100树脂，其最佳静态吸附时间和解吸附时间均为5 h，样品溶液浓度为3.7 mg/mL，吸附流速为2 mL/min，10倍床体积的70%以上浓度乙醇洗脱，可解吸附70%的降香总黄酮。

Illustrations are used to analyze the limitation of line sampling firstly. For linear limit state, the efficiency of LS is affected by the dispersion of the actual important direction from the optimal one, the bigger the dispersion is, the lower the efficiency is. For non-linear limit state, in case that the actual important direction deviates from the optimal one greatly, the efficiency and the precision of LS decrease seriously, even wrong results are obtained.

首先通过算例分析线抽样方法存在的问题，对于线性问题，线抽样法的效率受抽样重要方向与最优重要方向偏离程度的影响，这种偏离程度越大，效率越低；而对于非线性问题，当抽样重要方向与最优重要方向偏离较大时，线抽样的效率和精度均严重下降，甚至得出错误的计算结果。

In this algorithm, the solving space of logical variables is reduced by logical constraints, and the computational complexity is not raised exponentially when the logical variable number is raised. The scale of the NLP sub-problems is also reduced. The global optimal solution will be obtained, and the local optimal problem of nonlinear system is avoided.

算法的特点为：利用逻辑变量的物理意义来缩小求解空间，避免了计算量随逻辑变量数目呈指数型上升的问题；NLP子问题的规模大大缩小，加快了求解速度；可以得到严格的全局最优解，避免了非线性模型可能带来的局部极值问题。

Results: The optimal concentration of Luceferase and Luciferin were 1.25ug/ml and 87.5uM; Reaction solution was prepared according to optimal concentration. From the ATP standard curve the lowest ATP test limit was found to be , the H1299 lowest test limit was 100 cells.

结果：Luciferase和Luciferin最佳反应浓度分别为1.25ug/ml和87.5uM；按照最佳浓度配制反应液后，绘制ATP浓度标准曲线，找到ATP检测最低线为10-12mol/L，可以检测到H1299细胞最低值为100个。

Methods: In accordance with conventional reporter gene analysis reagent preparation method, the main component Luciferase, Luciferin and ATP were serial diluted to find the optimal concentration; Reaction solution was prepared according to the optimal concentration of the main component, then ATP were serial diluted to measure their reporter gene. Then standard curve of ATP were drawed. Tumor cell lines H1299 were serial diluted and their ATP were measured by reaction solution prepared to analyse the minimum cell number.

按照常规报告基因分析试剂配制方法，将其中主要成分Luciferase和Luciferin及ATP浓度进行倍比稀释后找到最适合反应的最佳浓度值；按照最佳浓度配制反应液，将ATP浓度倍比稀释测定报告基因数值并绘制标准曲线，分析检测灵敏度；另外选取肿瘤细胞株H1299，倍比稀释后裂解细胞应用配制好的反应液进行ATP检测，分析最低检测细胞数。

The major contributions of this thesis include:(1) proposing a new kind of optimal feedback control, followed by its application to chaos targeting and stabilization of high period unstable periodic orbits ;(2) stabilization of unstable fixed point in chaotic systems using some kind of nonlinear feedback control, and giving sufficient condition for the existence of the controller as well as the synthesis procedure;(3) analyzing the robustness of optimal control in chaotic Lur'e systems under the help of H〓 control theory;(4) finally and most importantly, introducing a novel method of information storage based on discrete time chaotic systems as the application of chaos control, and systematically studying different schemata for implementation, providing a theoretic basis for the design of such new kind of information storage devices with large capacity.

本文的主要工作包括，提出一种新的最优反馈控制，并将之应用于混沌引导控制及混沌系统高周期不稳定周期轨道的镇定控制；针对不动点镇定控制的一类非线性反馈控制器，文中给出该类反馈控制存在的充分条件及设计步骤；文中还利用非线性H〓鲁棒控制理论对Lur'e混沌系统中的最优线性反馈控制进行鲁棒性分析；最后，也是最重要的，作为混沌控制的应用，文中提出一种基于离散时间混沌系统的信息存储方法，系统地分析、研究了实现这种信息存储的不同方案，为以后进行这种新型大容量存储器设计提供了一定的理论依据。

Based on the conception of the equivalent stress,the expressions of the equivalent stress was educed. In this optimal design, the macro file for calculating the equivalent stress of arch dam is complied by using the parameter design language of the software, and the optimal design for shape of arch dam using equivalent stress as stress restraint condition is carried out.

本文基于等效应力概念，推导了拱坝有限元等效应力计算公式，将有限元法求得的坝体与基岩交接面上的应力合成截面内力，然后求出对应的线性化应力，并以此应力作为应力约束条件，实现了以等效应力作为应力约束条件进行拱坝体形优化。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"