• 本文液上相色谱法不同温度测定了不同中和SO42-0~4%的磷铵的平衡压。

    In this paper, ammonia equipressures of ammonium phosphate slurry under different neutralization degree and SO42- cone entration(0~4%) are determined using headspace gas chromatography.

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  • 在那里或许有些奇怪化学成是开普勒望远镜没看到的。 这个温度太了不能形成云可以反射一部入射辐射木星便是如此。

    That’s too hot for the formation of ammonia clouds that would reflect some of that incoming radiation as they do on Jupiter.

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  • 中的50%。

    Answer: The ammonia in ammonia water percentage is 50%.

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  • 蝶呤米索前列醇使用一个两步走方法

    Methotrexate and misoprostol use is a two-step method.

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  • 实践证明电解用于合成完全可行经济效益显著。

    Practice proves that the use of electrolytic hydrogen in ammonia synthesis is totally feasible, with marked economic benefit.

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  • 氟硅酸HMCM-22子筛进行了改性处理,采用程序升温脱附和吡啶吸附红外光谱法测定了其酸性。

    HMCM-22 zeolite was modified with ammonium hexafluorosilicate and characterized by temperature-programmed desorption of ammonia and pyridine adsorption infrared spectroscopy.

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  • 文章介绍了粗纺时,纶百含量、预牵伸倍数捻度对包芯弹性影响规律

    The influence of percentage of spandex, drafting ratio of spandex and twist of core spun yarn on tensile properties and elasticity of spandex core spun yarns on woolen spinning system were studied.

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  • 合成重要化工产品国民经济具有重要的意义。

    Ammonia is an important chemical product and it plays a significant role in the national economy.

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  • 试计算尿素硫酸质量

    Calculate the percentage by mass of nitrogen in urea and ammonium sulphate.

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  • 溴索干预肺动脉平滑肌细胞细胞基质的病变明显氧组,管壁面积占总面积的百比和管壁厚度占外径的百比明显低于低氧组(P <0 0 1)。

    PAPM in AP group is significantly lower than that of CIH group ( P< 0.01); The damage of pulmonary artery smooth muscle cells and extra cell matrix of AP group is much slighter than that of CIH group.

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  • 溴索干预肺动脉平滑肌细胞细胞基质的病变明显氧组,管壁面积占总面积的百比和管壁厚度占外径的百比明显低于低氧组(P <0 0 1)。

    PAPM in AP group is significantly lower than that of CIH group ( P< 0.01); The damage of pulmonary artery smooth muscle cells and extra cell matrix of AP group is much slighter than that of CIH group.

    youdao

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