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In this article it raises a mathematical model for this problem according to the practical experiences of production, and unifies simulated annealing algorithm with genetic algorithm in view of the model to solve the fast convergence problem and weak partial searching ability problem in genetic algorithm.

根据生产上的实际经验提出了问题的数学模型,针对该模型,将遗传算法和模拟退火算法结合,解决了遗传算法的收敛过快以及局部搜索能力不强的问题。

Lead zirconate titanate PbZr0.5Ti0.5O3 thin films of various thickness were prepared by a modified sol-gel method on Pt(111)/Ti/SiO2/Si(100) substrates. The films were well crystallized and had single perovskite phase structure at an annealing temperature of 600℃.

采用改进的溶胶-凝胶技术,在Pt(111)/Ti/ SiO2/Si(100)基底上制备了不同厚度的Pb (Zr0.50Ti0.50)O3薄膜,在600℃的退火条件下获得了晶格完善的钙钛矿结构。

The Au/AuGe(88/12)/Au back-contact metal structure was deposited on the GaAs substrate using an electron-beam evaporator. Various post thermal treatments were employed including conventional furnace and rapid thermal annealing. It was found that the outer Au layer thickness and furnace annealing temperature had large effects on the specific contact resistance.

在实验中我们在砷化镓基板背面进行蒸镀背金结构,而此背金结构是由三层金属所组成,分别为金/锗(12%)金(88%)/金,我们控制最外层金的厚度来量测与观察特徵接触电阻的大小,同时改变炉管加热的温度与快速热退火系统做比较,背金结构之元素分布比较可由欧杰电子分析得到,而扫描式电子显微镜可分析其两者之间的表面形貌差异。

Fission track ages of samples, including fault gouge and cataclastic rock, collected from 4 faults of the Yi-Shu Fault Zone are much younger than un-deformed rocks collected around the faults, because fission track had experienced total annealing during the movement of the faults.

取自4条主断层的不同部位断层泥及断层碎裂岩的磷灰石裂变径迹年龄,远小于周围未发生变形的地层年龄,构造活动使得断层带物质的磷灰石裂变径迹完全退火。

Results: Based on the study mentioned above, about 323 bp positive band were amplified under the anneal temperature of 65℃ by total volume of 25 25ul PCR reaction. Sequencing results prove the positive band were fragments of Cytb genes from both Cervus elaphus Linnaeus and Cervus nippon Temminck.

结果:在方法学考察的基础上,在25ul PCR反应体系,退火温度为65℃的条件下,能准确扩增出约323bp 大小的阳性DNA条带,经测序验证结果表明,系正品鹿茸原动物的Cytb基因序列片段,而伪品鹿茸未扩增出条带。

Blood speckle noise in the IVUS image would affect the validity of edge detection badly. A temporal/spatial filtering method was used to preprocess the IVUS image to restrain the noise. Then a method to automatically detect the intima and ectoblastic edge of IVUS image was presented. This method is based on the active contour model and the contrast properties of IVUS image, which makes use of the Hopfield NN and simulated annealing algorithm.

为解决血管内超声图像中严重的血液斑点噪声影响边缘提取方法的有效性问题,采用一种时/空滤波方法对IVUS图像进行降噪预处理,基于活动轮廓模型和IVUS图像的边缘对比度特征量,利用Hopfield神经网络并结合模拟退火算法自动提取IVUS图像的冠脉血管壁内、外膜边缘。

A new crossover operator is proposed to keep goad genes and enhance the search performance. Local search mechanism is added into GA to find solutions for TA problems with a more rapid convergence speed. Simulated annealing is used to overcome the problem of local optimum. A heuristically greedy local search is also proposed to improve the search efficiency. The simulation results show that the improved algorithm can improve the search efficiency of GA.

构造了适合于目标分配问题的染色体;设计了搜索性能较好且能够保留优秀基因的交叉操作方法;将局部搜索机制引入标准遗传算法,提高了目标分配算法的收敛速度;把模拟退火算法引入局部搜索问题,在一定程度上避免了局部最优问题;将贪婪算法应用于局部搜索提高了最优分配方案的搜索效率。

"Certainly that each pour is metallurgically exact. Certainly that the ferritizing annealing cycle is absolutely complete. Certainly, through spectrographs and pressure testing, that each casting is flawless."

这种可靠性来自于每次精益求精的冶炼铸造过程,来自于完整系统的铁素基体退火韧化工艺,来自于严格细致的摄谱仪检验和压力试验,保证每次铸造都是完美无缺的。

The optimization models which take into account the representation of FACTS devices, the line flow and the node-voltage constraints and based on simulated annealing is developed. For continuous variables with upper and lower limits, a method of outgrowing adjacent states is proposed.

5针对含FACTS装置的有功优化潮流问题进行了探讨,建立了基于交流潮流算法的含FACTS装置的有功优化潮流数学模型;在此基础上,运用模拟退火算法实现了该问题的求解。

The least loss of the magnetization due to As diffusion has been found forFe overlayer grown on the surface covered with stable GaxS layer with well-ordered sites andlittle excess As.

结果显示,表面退火后富Ga的GaxS钝化层的状态以及表面富余As的存在,决定了生长在这一衬底上Fe薄膜的磁化强度。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。