查询词典 basic bithmuth nitrate

The effects of nitrate and nitrite pollution in drinking water source on cancer mortality were explored.

本文探讨了饮用水源中硝酸盐和亚硝酸盐污染对癌症死亡率的影响。

The results showed that short SRT bacteria and nitrobacteria can be cultivated separately in the reactor so that the concentration of nitrate in the circumfluence sludge is low, which is lower than 1 mg/L.

结果表明，在反应器内能实现短泥龄细菌和硝化细菌的分相培养，有效降低了回流污泥中硝态氮的质量浓度，其值小于1mgL^(-1)。

To oxidizeinto nitric acid,nitrous acid,or any nitrate or nitrite,especially by the action of nitrobacteria.

硝化将氧化成硝酸、亚硝酸或任何硝酸或亚硝酸酯，尤指通过硝化细菌的作用

To oxidize into nitric acid, nitrous acid, or any nitrate or nitrite, especially by the action of nitrobacteria.

硝化将氧化成硝酸、亚硝酸或任何硝酸或亚硝酸酯，尤指通过硝化细菌的作用

We tested the following items every two hours before and after those nitrobacteria worked,respectively,i.e.,ammonium,nitrite,nitrate and the δ13C values of dissolved organic matter.

有机质矿化分解过程中，碳同位素经过化学反应、蒸发、扩散和生物化学等过程发生同位素分馏，δ13C值发生相应的变化[4，13]。

Based on the long-term field experiments, the relationships between soil nitrogen balance, nitrogen utilization efficiency and soil nitrate were studied.

利用长期肥料试验资料研究了土壤氮素平衡、氮肥利用率和土壤硝态氮之间的相互关系。

In nitrogen-fixing populations this 'new' nitrate and nitrite can be derived from the assimilation of nitrogen gas.

这些自己"堆肥"的豆科植物还能在其根瘤中的共生细菌的帮助下固定大气中的氮，从而将氮循环的主要步骤综合在一种生物中。

The measures of prevention from N-nitro so compounds on the human health risk are mainly to reduce nitrosamines and its precursor nitrate and nitrite, and reduce nitrosamine intake and block the synthesis of it in vivo.

预防N-亚硝基化合物对人体健康的危害主要是：减少亚硝胺及其前体物硝酸盐及亚硝酸盐的摄入和阻断亚硝胺在体内的合成。

The ammonia changes to nitric acid,the further conversion of nitrate is nitrosamine which has serious function for the human beings, threatenning the mankinds health directly.

氨转化为硝酸，通过饮用水而诱发婴儿的高铁血红蛋白症，硝酸盐进一步转化为亚硝胺则具有严重的"三致"作用，直接威胁着人类的健康。

The quantity of nitrous acid is proportional to the power of light and concentration of uranyl nitrate and decreases with the increase of concentration of nitric acid at higher acidity.

亚硝酸的生成量与光照功率和U的浓度成正比，当酸度大于0.1mol/l时，其量随酸度增加而减少。

The French are not suggesting a new EU treaty, but they have plenty of other wheezes.

法国人并不是在建议签署一个新的欧盟条约，但他们有许多其他的阴谋。

This letter was written by my brother.

这封信是我弟弟写的。