硝酸根是指硝酸盐的阴离子，化学式:NO₃⁻,硝酸根为-1价,其中N为最高价+5价。
中国最大的综合性文献数据库 -维普资讯 关键词: 麦草秸秆 硝酸根 吸附 最大吸附量 拉曼光谱[gap=1671]Key words: wheat straw; nitrate; adsorption; maximum adsorption capacity; Raman spectrum
基于188个网页-相关网页
We added certain urea whose content of amide nitrogen was known into the nitrate. From the losing of amide nitrogen we could calculate the content of nitric nitrogen.
我们通过外加一定量的已知酰态氮含量的尿素，通过甲醛法测定酰氨态氮含量，根据酰氨态氮损失量可以求得硝酸根含量。
参考来源 - 一、酰氨态氮和硝态氮共存时氮含量测定的研究 二、还原法生产无氯二氧化氯及联产无机盐新工艺和二氧化氯稳定化的研究In conditions without the addition of nitrate, the denitrification of sediment in autumn is I4.65 g. m-2,h-1, while it’s 6.25 g. m-2. h-1 at lest in winter.
在不添加硝酸根的情况下，秋季底泥的反硝化势为14.65μg.m~(-2)．h~(-1)，添加硝酸根的底泥反硝化势为78.44μg．m~(-2)．h~(-1)。
参考来源 - 富营养化湖泊底泥中反硝化微生物及其反硝化作用的研究NO_3~- is selected as pollution factor, and the groundwater quality model is set up. By using FEFLOW, which is based on finite element method, the solution of the equation has been got.
选取硝酸根离子作为模拟因子，建立地下水污染质运移模型，采用基于有限元的FEFLOW软件来求解。
参考来源 - 典型垃圾堆放场对地下水污染模拟及控制技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
即使是元素状态为气体的氮，也通常作为硝酸根离子从土壤中被吸收。
Even nitrogen, which is a gas in its elemental state, is normally absorbed from the soil as nitrate ions.
亚甲蓝和乙醇不影响过亚硝酸根的分解速率。
The rate of decomposition was not affected by methylene blue and ethanol.
高碘酸钾与甲基红的反应可为亚硝酸根所催化。
The reaction of potassium periodate and orange red can be catalyzed by nitrous ions.
应用推荐