• The application of CCD near infrared spectrophotometry (NIR) method to the analysis of red-fuming nitric acid is described.

    从化学计量学角度研究了CCD红外光谱技术在无机物领域分析中的应用

    www.chemyq.com

  • According to the trait of rocket propellant a kind of protective gloves made of composite fluorine rubber is developed which can be used to protect the skin of red fuming nitric acid worker.

    针对火箭推进剂作业特点研制了复合橡胶为主体材料的防护手套用于硝酸作业人员皮肤防护

    dict.cnki.net

  • The sample is dissolved in nitric and fluoric-hydro acid adding sulfuric acid, and heating up to fuming, then the matrix element titanium is separated with sodium hydroxide.

    试样硝酸氢氟酸溶解硫酸冒烟后强碱分离、铁、镍离子,其余干扰离子用酒石酸掩蔽。

    dict.cnki.net

  • This method has been used for many times and similar operation time and product are obtained as that using the treatment with a mixture of sulfuric acid, nitric acid and fuming sulfuric acid.

    经过多次试用,其操作时间得到结果,与以前使用硫酸硝酸加发硫酸的方法基本相同

    dj.iciba.com

  • This method has been used for many times and similar operation time and product are obtained as that using the treatment with a mixture of sulfuric acid, nitric acid and fuming sulfuric acid.

    经过多次试用,其操作时间得到结果,与以前使用硫酸硝酸加发硫酸的方法基本相同

    dj.iciba.com

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