基体效应 meaning in Chinese
matrix effect
Examples
- The new method of direct determination of micro amounts of elements in electrician silicon - steel chips is based on the high performance of pw 2400 x - ray fluorescence spectrometer system and its software . it can correct both the matrix effect and the influence of sample physical status . specimens of steel chips can be determined directly without any pretreatment . the method has high accuracy and precision , the operation is easy and the analysis is fast
报道了x射线荧光光谱法直接测定电工硅钢钢屑样品微量元素的新方法，校正了样品中元素间的基体效应影响和校正了钢屑样品的不同颗粒结构，不同几何形态及不同表面状态的影响，使钢屑样品可不经处理直接测定，操作简便。 - In order to overcome problems arisen from the application of x fluorescence analysis into complex spectrum produced by archaeological ceramic fragments with multi - element , low content and thick ground , we have employed the artificial neural network into the research of x fluorescence archaeology and conducted three kinds of research works . as the first one , we have applied the linear olam network ( optimal linear association memory network ) and the non - linear bp network ( back - propagation network ) respectively to analyze the complex x fluorescence spectrum of archaeological samples , and taken both results of spectrum analysis to compare with each other . the second , the method of pattern recognition of bp network was tentatively used to perform intelligent identification of production places of these archaeological samples
针对科技考古中对大量考古陶片进行产地研究时x荧光分析对多元素、低含量、厚基底考古陶片产生的复杂谱分析的问题，将人工神经网络引入x荧光考古中，进行了三方面的研究工作：一是用线性olam网络(最优线性联想网络)和非线性bp网络(误差反传导网络)分别对考古样品的x荧光复杂谱进行解谱，并比较二者的解谱效果；二是用bp网络模式识别方法对考古样品的产地进行智能识别；三是为了提高网络运算的可靠性和减小基体效应及电噪声的干扰和影响，研究并提出了三种网络学习前的谱数据预处理方法。