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In this paper, we studied the relationshipbetween the concentration, acidity, temperature, heavy metalic ions and the fluorescencequenching of fluorescein. The result showed that when the concentration was over 1. 55 ×10-5 mol/L, the fluorescence quenching strengthened with the increase of f...

结果表明:荧光素浓度大于1.55×10-5mol·L-1时,随着浓度增大,荧光猝灭作用增强;酸度对荧光猝灭作用有明显作用,PH小于8.5时,随着PH升高而减弱,PH大于8.5时,随着PH升高而增强;温度对荧光猝灭作用呈线性关系,温度升高,荧光猝灭作用减弱;重金属离子对荧光猝灭有显著的作用,是影响眼底血管造影质量的重要因素。

In order to study vector-valued optimization problem, in chapter 5, a class of vector -valued function, that is, uniformly same-order set-valued function is introduced , which includes the separated functions as its proper subset; without hypothesis of convexity, new minimax theorem and saddle point theorem for uniformly same-order set-valued function are established. Next, by employing Ky Fan\'s lemma and H-KKM mapping , several existence results for generalized vector equilibrium problem established.

为了研究向量优化问题,作为可分函数的推广,第五章引入了一致同阶集函数类,在没有凸性条件的假设下,对一致同阶集函数建立了新的极小极大定理与鞍点存在定理;利用H-KKM映射,对一般向量均衡问题建立了(来源:A73BcbC论文网www.abclunwen.com)几个存在性定理;最后讨论了集向量均衡问题系统,利用集映射的拟凸性,在较弱的条件下证明了解的存在性。

It is difficult to obtain the accurate segmentation threshold of the image. This paper uses the multinomial to approximate the histogram envelope curve by different phase. So the question of how to obtain the accurate segmentation threshold of the image can convert into the solution of the minimum of multinomial, Using this method it can be solved the question how to segment the image more accurately.

对于在图像分割时难于得到图象分割的准确阈问题,提出利用多项式对直方图包络线进行分段拟合,把图像分割阈问题转化为求多项式极小的问题,从而求出用于分割图像不同灰度层次的最优阈的方法。

That is, they do the assignment as the remainder modulo the size of the type.

也就是说,赋时是取该对该类型取数目求模后的

The problem of multi-objective usually meet many conflict each other and can not use the objective of the same standard unit, then to employ membership function of fuzzy theory,at first each objective function to change fuzzy set and express with membership function, membership function include the maximum constraint, minimum constraint, the decrease function of monotonic property, to become optimal of the multi-objective function, but still to scanty of weighting value with regard to adjustment of objective function, thus this thesis proposes the method of combine orthogonal arrays and particle swarm optimization to solve the problem of multi-objective optimal power flow, each objective function separately add weighting value, to setting each weighting value of objective function in order to the result of anticipating.

多目标最佳化的问题通常会面临到许多互相冲突且不能用同ㄧ标准单位的目标,於是利用模糊理论中的归属函数,首先将各目标函数转换成模糊集合并以归属函数表示,归属函数包含了最大限制、最小限制、单调的递减函数所组成,将各目标函数利用归属函数表示,形成单一目标函数的最佳化,但是仍缺乏权重对於目标函数的调整,於是本篇论文提出ㄧ种权重设定与粒子群优演算法的方法去解决多目标最佳电力潮流的问题,将各目标函上分别加上权重设定各目标函数的权重,得到预期的效果。

In the method of the invention, a baseband signal is pre-processed to realize nonlinearity compensation. The pre-processing method comprises the following steps: the filter coefficient and the multinomial coefficient of the high power amplifier are extracted; corresponding gain is calculated for the amplitude value of each point input into the sequence of the baseband signal, and the phase compensation value is calculated according to the amplitude gain; the phase compensation value and the gain which are corresponding to each point are synthesized into re-gain, a pre-processing value pi is obtained, and pre-processing output sequence is formed; the pre-processing output sequence is output into the high power amplifier directly or through a inverse filter.

本发明方法是将基带信号进行预处理来实现抵偿非线性,预处理方法是:提取出高功率放大器的滤波器系数和多项式系数;对输入基带信号序列中的每一点的幅计算对应的增益,根据幅度增益计算出相位补偿;每一个点对应的相位补偿与增益合成复增益,得到预处理p i ,构成了预处理输出序列;将预处理输出序列直接或经过反向滤波器后输出到高功率放大器中。

Multiple value logic ; Discrete logic ; 4 value NOR gate ; 4 value NAND gate ; 4 value NAD OR NOT gate ; Five state gate ; DYL circuit

逻辑;离散逻辑;四"或非"门;四"与非"门;四"与或非"门;五态门; DYL电路

The intensity of pulse noisy pixels significantly differs from adjacent pixels of image. The de-noising will be accomplished by modifying the intensity of the noisy pixel according to the firing patterns of adjacent neurons of PCNN. At last, this dissertation suggests a new kind of filter for de-noising pulse noise based on the PCNN and median filter. It is very simple, and the simulation experiment of the image processing shows that the de-noising effect is much better than neighborhood averaging method and median filter.

一般脉冲噪声点与其所在图像像素灰度之间相关性很差,而PCNN脉冲耦合神经网络能使相似神经元同步激发;这就决定亮点脉冲噪声像素对应神经元会在其区域所在相邻神经元中首先激发,为此结合中滤波,我们提出了结合PCNN脉冲耦合神经网络和中滤波的混合滤波新算法,理论分析和实验证明,该方案在滤除噪声的同时,比常规中滤波更有效地保持了图像的高频细节信息。

The performance of the proposed method is compared with that of the well-known vector standard filters such as the VMF, progressive switch median filter, scalar median filter ,minimum distance between central sample and scalar median in its neighborhood vector median filter and the basic vector directional filter.

结果表明,DMNVM滤波性能明显优于现有的VMF、递进开关中滤波、标量中滤波、与标量中距离最小向量滤波和方向矢量中滤波;同近年提出的自适应向量滤波比较,AVMF客观指标平均绝对误差协MAE、均方误差和标准色差分别是DMNVM的1.81、2.59和2.17倍,这说明DMNVM的滤波性能有显著提高。

Using the quartic rational spline function, we can construct a net of feature curves passing through the four corner points P_ which situate at the rows (U-direction) and columns (V-direction) of a m×n rectangular control mesh.

本文构造了3/1型插有理样条即分子、分母分别为三次、一次多项式的插函数,该样条函数不仅可通过导数参数的选取,使得插函数保单调,还可使得插函数保凸。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力