• 水质液态离子色谱测定已溶解阴离子第2部分:废水溴化物氟化物硝酸盐亚硝酸盐正磷酸盐硫酸盐的测定

    Water quality - determination of dissolved anions by liquid chromatography of ions - part 2 : determination of bromide, chloride, nitrate, nitite, orthophosphate and sulfate in waste water.

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  • 剪切纤维离解机未漂白硫酸盐进行处理,测定纸浆的性能和浆张物理性能。

    The unbleached kraft pulp was dealt with a high-shear fiber kneader, moreover, the pulp properties and paper strength properties were measured.

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  • 依此,建立酸性硫酸盐氧化分解测定海水溶解方法

    A persulphate oxidation method in acid medium for decomposition and analysis of dissolved total phosphorus in seawater was proposed.

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  • 水质液态离子色谱测定溶解阴离子第3部分铬酸碘化物硫酸盐硫氰酸盐代硫酸酯的测定

    Water quality - determination of dissolved anions by liquid chromatography of ions - part 3: determination of chromate, iodide, sulfite, thiocyanate and thiosulfate.

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  • 将氯化物镀锌硼酸测定方法用于测量光亮硫酸盐镀锌液中硼酸的含量。

    Concentration of boric acid in bright sulfate zinc plating bath was determined referring to the same method for chloride type zinc plating bath.

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  • 摘要通过测定食品硫酸盐过程进行研究根据样品特性不同所采集的样品采用浸泡超声蒸馏三种前处理方法。

    To study the determination of sulfite in food by pararosaniline hydrochloric spectrophotometry, then according to the sample characteristic, the treatment select soak, ultrasonic and distill.

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  • 间接原子吸收测定水中硫酸盐时,样品稀释倍数盐度酸度测定结果影响较大。

    The sample dilution multiple, salinity and acidity heavily influence the detecting result of sulfate determinated by complex acid barium indirect flame atomic absorption spectrometry.

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  • 光度法直接测定硫酸盐锡液2 -含量。

    Naphthol in sulphate plating solution of tin can be straightly determined by absorption spectrophotometry.

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  • 通过落叶松栲胶进行硫酸盐氢氧化钠改性,测定溶液黏度,用不同溶剂进行分级和薄层色谱

    This paper illustrates the reaction of larch bark tannin extracts with sulfite and sodium hydroxide and the tests of its solution viscosity, MW-distribution and thin-layer chromatography.

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  • 同时测定泥浆水化放热,确定水泥浆体硫酸盐含量对水泥萘系减水剂相容性的影响

    The hydration heat of cement paste was tested to investigate the influence of sulfate content in cement paste on the compatibility of cement and naphthalene superplasticizer.

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  • 光亮硫酸盐镀液硼酸测定,一般采用氯化钾镀锌体系中对硼酸的测定方法

    The detrimental effect of iron impurities on zinc electroplating in potassium salts solutions was described in detail.

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  • 光亮硫酸盐镀液硼酸测定,一般采用氯化钾镀锌体系中对硼酸的测定方法

    The detrimental effect of iron impurities on zinc electroplating in potassium salts solutions was described in detail.

    youdao

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