The sample preparation, homogeneity test, stability inspection and the methods and results for radionuclide certification are described.
介绍样品制备、均匀性及稳定性检验、核素定值方法和定值结果。
This paper deals with the principles of homogeneity test for spectrochemical standard reference materials and gives a homogeneity test program with BASIC language.
本文论述了光谱标样均匀度检验方法的原理并使用BASIC语言编制了检验程序。
According to the homogeneity test for error variance on total-effect random model with three factors in double repeated experiment, the specific formulae of test statistics and test rule are deduced.
研究两次重复试验三因子全效应随机模型误差方差的齐性检验问题，推导了检验统计量和检验规则的具体表达式。
The results show that the test site has a very good homogeneity with a variation coefficient of the reflectance in any channel lower than 3%.
地表反射率和大气光学特性地面同步测量结果显示：敦煌场地的地面均匀性好，各个通道反射率的变化系数（即相对变化百分比）均小于3%。
According to analysis procedure of homogeneity, 15 bottles of sample were randomly taken from 150 bottles, and the results were validated by F test statistical methods.
样品分装成 150瓶样品后， 采用高效液相色谱 – 紫外检测法进行均匀性、 稳定性检验和定值分析。
The test and assessment for the homogeneity of a certified reference material are introduced.
介绍标准物质的均匀性检验及其评价方法。
After the virtual level of atmospheric boundary layer wind tunnel test of homogeneity, parameters and boundary conditions can explain the virtual wind tunnel to maintain a balance of self.
同时对已建立的虚拟大气边界层风洞进行水平均匀性检验，说明所选择的参数及边界条件基本能使虚拟风洞具有自保持平衡性。
Sandstone specimen is adopted to conduct test, and all of the homogeneity of specimen and the law of ultrasonic wave and porosity are studied before and after high temperature.
以砂岩试件为研究对象，研究该批试件高温前后的均匀性、高温后的超声波传播规律及孔隙率变化规律。
Sandstone specimen is adopted to conduct test, and all of the homogeneity of specimen and the law of ultrasonic wave and porosity are studied before and after high temperature.
以砂岩试件为研究对象，研究该批试件高温前后的均匀性、高温后的超声波传播规律及孔隙率变化规律。
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