查询词典 sample method

A new method for the determination of Bi in water sample by thin layer resin phase spectrophotometry was developed.

提出了薄层树脂相分光光度法测定铁的新方法。

Aimed at the typical defects of sample resource lacking and easy local optimal convergence, in this paper, a new way of inserting ANN into genetic algorithm is implemented, which make full use of the nonlinear solution calculation ability of ANN and the full field optimal solution seeking ability of GA. The method optimized the tube stagger spinning parameters.

针对神经网络中样本资源紧张，易于收敛于局部优解的问题，本文将神经网络模型嵌入遗传算法中，充分利用了神经网络的非线性求解能力和遗传算法的全局寻优能力，实现了对错距旋压工艺参数的智能优化。

A method of data splitting for sample set based on Genetic Algorithms is presented in this paper.

1引言数据挖掘的主要目的就是发现隐藏在数据中的模式。

Moreover, a method for extracting of a single subshell backscattering amplitude and phase shift from a complex standard sample was proposed.

弹性核心效应的研究表明连续介质的弹性理论应用到固溶体中有其局限性。

Based on the data and materials collected from many years investigation over the sample plots in Daemonorops margaritae plantation in Daqingshan, Guangxi Province, this paper established a model for its stem length distribution by choosing three growth equations and using a method of twice curve fitting to describe the rule of length distribution for mother stem and sucker stem.

对广西大青山黄藤人工林固定样地进行调查和收集资料，选择Logistic、Weibull和Richards 3种理论生长方程，采用两次曲线拟合法分别描述母茎长和萌茎长结构规律，旨在建立黄藤人工林茎长分布模型。

This method assumes a global embedding function in low dimensional space, then incorporates the relative compactness information of the data distributions on the global geometry to reconstruct sample data. Finally, the global low dimensional submanifold is obtained by minimizing the cost function.

该方法首先假定目标空间的整体映射函数，然后结合数据的全局几何结构分布信息进行数据重构，最后通过最小化准则函数来得到嵌入高维空间的低维子流形。

According to this, wedevelop a new method to determine the effective pinning energy by the measuring thepenetration field of sample as a function of the field sweep rate.

这一方法实验用时短，数据处理简单，为我们研究样品钉扎和评估样品性能在实验上又提供了一个新的手段。

Effectiveness of this method has been verified by the symbolization of sample financial time series.

并利用该方法实现了对金融领域时间序列数据的符号化转换。

All subjects in the sample of 600 individuals were selected by a stratified systematic random sampling method and interviewed by trained interviewers.

本研究采横断面研究方法，以苗栗县所有65岁以上老年人作为研究母群体，采分层随机抽样的方法，共得到600位样本，其中男性302人，女性298人。

A simulated study showed that this method can handle a model with multiple effects, which are ten times larger than the sample size.

对于后者，本文详细介绍了基于固定区间和可变区间的Bayesian压缩估计方法。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。