• 综述了无破坏测定金属杨氏模测定原理测定方法测定仪器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.

    youdao

  • 介绍一种测定油田化学剂石油产品含量仪器分析方法

    The paper introduces a method to determine sulfur/nitrogen content in oilfield chemicals or oil products by sulfur/nitrogen elemental analyzer.

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  • 采用常规仪器分析方法核桃内种皮中一些营养功能成分含量进行初步分析测定

    The contents of nutritional and functional components of walnut kernel pellicle were analyzed preliminarily by using conventional and instrumental analytical methods.

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  • 本文首先通过对油炸食品脆性感官评定与峰力值的测定分析确定感官评定为主仪器分析参照脆性评价方法

    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.

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  • 本文氨基酸分析测定乳饮料游离甘氨酸含量,研究了样品预处理方法仪器色谱分离条件。

    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.

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  • 本文研究了X-射线荧光测定镀锌板表面质量分析方法,实验选择仪器的最佳测定条件参数,并方法的精密度准确度进行了考查。

    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.

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  • 方法:在实验室搭建实验装置,分别利用矩形光栅实验装置平板法视网膜MTF测量仪器,来测定正视屈光不正组不同空间频率条纹分辨的阈值,算出分析比较所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.

    youdao

  • 方法:在实验室搭建实验装置,分别利用矩形光栅实验装置平板法视网膜MTF测量仪器,来测定正视屈光不正组不同空间频率条纹分辨的阈值,算出分析比较所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.

    youdao

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