• 取样完成后迅速通过离心、快速密闭过滤措施实现分离从而终止体系所发生的沉淀反应,制取清水样品测试

    After sampling, the separation between coal ash and water is implemented by the measures of rapid centrifugation and vacuum filtration, in order to prepare the specimen for testing.

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  • 本文就电厂燃煤飞灰取样分离性能开展研究主要工作成果总结如下

    Sampling and separating performance of fly-ash was studied in this paper, and the main work and result are summarized as follows.

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  • 采用流动注射在线分离富集-石墨原子吸收光谱测定氧化铅痕量。 使用本文研究取样杯,实现了流动注射装置与石墨炉原子吸收联机测定。

    A new method for the determination of micro amount of gold in lead oxide by flow injection on line separation and preconcentration graphite furnace atomic absorption spectrometry is desciribed.

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  • 利用甲醇、H_2+CO_2乙酸盐作为碳源能源,池塘沉积物取样经过反复富集分离得到了甲烷八叠球菌培养物。

    Samples from pond sediments were inoculated to obtain the pure culture of Methanosarcina sp. by repeated enriching and isolating. Growth was fasted on H_2+CO_2 or methanol.

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  • 柠檬苦素采用氯仿萃取取样硅胶G薄层分离——二甲氨基苯甲醛作显色剂比测定

    The limonin sample is got by extraction with chloroform and is separated by a thin-layer chromatography of silica-gel G, and then is determined by colorimetric metho…

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  • 采用空单液滴微萃取样处理方法分离富集水中苯系物用气色谱法进行测定

    Benzene homologues in water were separated and enriched by head-space single-drop microextraction and determined by gas chromatography.

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  • 方法40慢性囊炎患者泪囊分泌物取样,进行细菌培养分离鉴定药物敏感实验

    METHODS: Material of lacrimal secretion in 40 cases of patients with chronic dacryocystitis was sampled for bacterial culture, isolation, identification and drug sensitivity test.

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  • 复方药物制剂溶出度试验通常采用定时取样HPLC分离分析办法解决

    Compound medicine preparation dissolution test usually adopt timing sampling method, such as HPLC, which split every composition from analytical solution.

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  • 煤粉取样分离效果取样精度高使用安全可靠适合实际应用需要

    The coal power sample which has the advantages of good separating effect, high sampling precision and safe use is more suitable for the requirement of practical application.

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  • 柠檬苦素采用氯仿萃取取样硅胶g薄层分离——二甲氨基苯甲醛作显色剂比色测定

    The limonin sample is got by extraction with chloroform and is separated by a thin-layer chromatography of silica-gel g, and then is determined by colorimetric method where pdi...

    youdao

  • 柠檬苦素采用氯仿萃取取样硅胶g薄层分离——二甲氨基苯甲醛作显色剂比色测定

    The limonin sample is got by extraction with chloroform and is separated by a thin-layer chromatography of silica-gel g, and then is determined by colorimetric method where pdi...

    youdao

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