综述了无破坏法测定金属杨氏模量的测定原理、测定方法和测定仪器,并对这种测定方法进行了误差分析。
Principle, method and apparatus for young's modulus measurement of metallic material by indentation method are reviewed, and the methods error is analysed.
介绍了一种测定油田化学剂和石油产品中硫、氮含量的仪器分析方法。
The paper introduces a method to determine sulfur/nitrogen content in oilfield chemicals or oil products by sulfur/nitrogen elemental analyzer.
采用常规和仪器分析方法对核桃内种皮中一些营养和功能成分含量进行了初步分析测定。
The contents of nutritional and functional components of walnut kernel pellicle were analyzed preliminarily by using conventional and instrumental analytical methods.
本文首先通过对油炸食品脆性的感官评定值与峰力值的测定和分析,确定了以感官评定为主、仪器分析值为参照的脆性评价方法。
Firstly to establish a reasonable crispness evaluation system after correlate analyses of sensory test and penetrometry test , and decided to select sensory test value as the main test index.
本文用氨基酸分析仪测定含乳饮料中游离甘氨酸含量,研究了样品预处理方法和仪器色谱分离条件。
The amino acid analysis direct system was used to test the free-glycin in dairy drinks, and the methods for sample pretreatment and chromatographic parameters were studied in this paper.
本文研究了X-射线荧光法测定镀锌板表面铬层质量的分析方法,实验选择了仪器的最佳测定条件和参数,并对方法的精密度和准确度进行了考查。
Determining of the surface chromium content on Salvanized Sheet Steel by X ray fluorescence method was introduced, and selected the best determining condition and parameter of the instrument.
方法:在实验室搭建实验装置,分别利用矩形光栅法的实验装置和平板法视网膜MTF测量仪器,来测定正视眼组和屈光不正组的不同空间频率条纹分辨的阈值,算出并分析比较所测MTF值。
METHODS: Retina MTF of two groups of people with emmetropia and ametropia were measured by means of a grating and parallel plate respectively. Then the measured MTF were compared and analyzed.
方法:在实验室搭建实验装置,分别利用矩形光栅法的实验装置和平板法视网膜MTF测量仪器,来测定正视眼组和屈光不正组的不同空间频率条纹分辨的阈值,算出并分析比较所测MTF值。
METHODS: Retina MTF of two groups of people with emmetropia and ametropia were measured by means of a grating and parallel plate respectively. Then the measured MTF were compared and analyzed.
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