水质。用液态离子色谱法测定已溶解的阴离子。第2部分:在废水中溴化物氟化物硝酸盐亚硝酸盐正磷酸盐和硫酸盐的测定。
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.
用高剪切纤维离解机对未漂白硫酸盐浆进行处理,并测定了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.
依此,建立酸性过硫酸盐氧化法分解测定海水中溶解态总磷的方法。
A persulphate oxidation method in acid medium for decomposition and analysis of dissolved total phosphorus in seawater was proposed.
水质。用液态离子色谱法测定溶解的阴离子。第3部分:铬酸盐碘化物亚硫酸盐硫氰酸盐和硫代硫酸酯的测定。
Water quality - determination of dissolved anions by liquid chromatography of ions - part 3: determination of chromate, iodide, sulfite, thiocyanate and thiosulfate.
将氯化物镀锌液中硼酸的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.
摘要通过对测定食品中亚硫酸盐过程进行研究,根据样品的特性不同对所采集的样品采用浸泡、超声和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.
铬酸钡间接原子吸收法测定水中硫酸盐时,样品的稀释倍数、盐度、酸度对测定结果影响较大。
The sample dilution multiple, salinity and acidity heavily influence the detecting result of sulfate determinated by complex acid barium indirect flame atomic absorption spectrometry.
用吸光光度法直接测定了硫酸盐镀锡液中2 -萘酚的含量。
Naphthol in sulphate plating solution of tin can be straightly determined by absorption spectrophotometry.
通过对落叶松栲胶进行亚硫酸盐和氢氧化钠的改性,测定其溶液黏度,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.
同时测定水泥浆体的水化放热,确定水泥浆体中硫酸盐含量对水泥和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.
光亮硫酸盐镀液中硼酸的测定,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.
光亮硫酸盐镀液中硼酸的测定,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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