1) concentrated nitric acid
浓硝酸
1.
The reconstruction of heater in concentrated nitric acid production by magnesium nitrate method;
硝酸镁法生产浓硝酸的加热器改造
2.
,Ltd have developed spiral type of column for concentrated nitric acid bleaching.
针对传统的帽罩式浓硝酸漂白塔存在的缺点和不足,找出原因并予以改进,开发研制出螺旋式浓硝酸漂白塔,改进了工艺状况,减少了维修工作量,达到了节能降耗的目的,确保了直接法浓硝酸装置的长周期运行。
3.
Multi-wall carbon nanotubes (MWNTs) were treated by oxidation method with concentrated nitric acid, and the adsorption of p-nitrophenol on MWNTs before and after concentrated nitric acid treatment has been compared by Raman, SEM and spectrophotometer.
本文采用浓硝酸氧化法来改性多壁碳纳米管,用Raman光谱、SEM和分光光度计对改性前后的多壁碳纳米管对4-硝基苯酚溶液的吸附能力进行了比较研究。
2) the concentration of nitric acid
硝酸浓度
1.
In order to solve the problems encountered in determination of Fe,Mn,Ni,Cu and Zn by FAAS method,the effect of the concentration of nitric acid and the integrated time on determination results was studied in this paper.
针对火焰原子吸收法测定铁、锰、镍、铜和锌时遇到的问题,考察了溶液中硝酸浓度及积分时间对测定结果的影响,发现保持标准系列与被测样品中的硝酸浓度一致有利于提高分析结果的准确性;采用5 s的积分时间可提高测定铁和镍的准确度和精密度。
3) concentrated nitric acid tank
浓硝酸储罐
4) Fe(NO3)3 concentrations
硝酸铁浓度
5) nitrate concentration
硝酸盐浓度
1.
By controlling the nitrate concentration in the anoxic stage,the methods and effects of inducing Denitrifying Phosphate Accumulating Organisms(DNPAOs) were studied.
通过控制缺氧段硝酸盐浓度,研究了反硝化聚磷菌的诱导方法及效果。
6) KNO_3 concentration
硝酸钾浓度
1.
reticulata under different KNO_3 concentrations were studied.
研究了不同硝酸钾浓度对蔷薇藻生长代谢的影响,分析测定蔷薇藻比生长速率、胞外多糖产量、藻蓝蛋白含量、色素含量、硝酸还原酶活性和SOD活性等参数。
补充资料：合成浓硝酸高压釜
分子式：
CAS号：
性质：用液体四氧化二氮与水和氧气反应，生成浓硝酸的设备。外筒为厚壁碳钢制作，内筒由高纯度铝(99.8％)制成。为防止内筒泄漏腐蚀外筒，中间设有铝质保护筒。釜内装有数层筛板，液体四氧化二氮与水按比例混合，和氧气分别从顶部加入，在5MPa及75℃条件下，生成浓硝酸。
CAS号：
性质：用液体四氧化二氮与水和氧气反应，生成浓硝酸的设备。外筒为厚壁碳钢制作，内筒由高纯度铝(99.8％)制成。为防止内筒泄漏腐蚀外筒，中间设有铝质保护筒。釜内装有数层筛板，液体四氧化二氮与水按比例混合，和氧气分别从顶部加入，在5MPa及75℃条件下，生成浓硝酸。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条