The standard states that the citric acid-sodium nitrate treatment is the least hazardous for removal of free iron and other metallic contamination and light surface contamination.
该标准声明：柠檬酸-硝酸钠处理在去除游离铁合其他金属污染和轻的表面污染物时，危险性最低。
In this study, column experiments, including measurements of corrosion potential, were conducted to determine the effects of nitrate on trichloroethylene (TCE) degradation by granular iron.
为研究硝酸根对颗粒状铁降解三氯乙烯的影响，进行了柱实验和相应的反应铁腐蚀电位测定。
Phosphate, silicate, iron or nitrate can be limiting factor in the process of phytoplankton growing.
在海洋中，铁与硝酸盐、磷酸盐和硅酸盐都可能成为浮游植物的生长限制因子。
A new process that industrial nitric acid reacts with iron chippings and shavings to produce ferrous nitrate solution is presented.
本文介绍了采用工业硝酸酸化废旧铁屑、制取硝酸亚铁溶液，并以该溶液为主要原料研制新型铁-铬系中温变换催化剂。
The sulfidation performance of iron oxide prepared from various precursors was investigated, and the ferric nitrate with better sulfidation performance was chosen as precursor of active component.
实验通过对各种铁盐前驱物制备的氧化铁硫化性能的考察，优选出硫化性能好的硝酸铁作为活性组分前驱物；
The sulfidation performance of iron oxide prepared from various precursors was investigated, and the ferric nitrate with better sulfidation performance was chosen as precursor of active component.
实验通过对各种铁盐前驱物制备的氧化铁硫化性能的考察，优选出硫化性能好的硝酸铁作为活性组分前驱物；
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