查询词典 nitrosification

The technology of biological nitrogen removal by nitrosification denitrification, which has been developing a few years, is the combination between the oxidation of ammonia and the deoxidation of nitrite.

亚硝酸型硝化反硝化生物脱氮技术是近年来发展起来的新型的生物脱氮技术，其实质是氨的氧化与亚硝氮的还原相偶联。

Ontent of tyramine was determined in salted and dried small fish collected from high-risk area of gastric cancer in Zhuanghe County, Liaoning Province with high pressure liquid chromatography,and its mutagenicity after nitrosification was assayed.

胃癌高发区庄河县小咸鱼干中酪胺的致突变性孙长颢，陈炳卿，王舒然，王选杰摘要用高压液相色谱法对胃癌高发区小咸鱼干中的酪胺进行了测定及其亚硝化以后的致突变性检测。

NH4+ began to inhibit nitrosification at the concentration of 560 mg/L.

NH4+浓度为560mg/L时，开始对亚硝化反应产生抑制。

Nitrosification and denitrification in an artificial domestic wastewater with low COD were studied in a sequencing batch moving bed biofilm reactor.

在序批式移动床生物膜反应器内，对进水COD较低的条件下，模拟生活污水的亚硝化及脱氮性能进行了研究。

The nitrosification of suspended activated sludge of SBBR one-step completely nitrogen removal process could be defined as the first order reaction.

单级自养脱氮系统中悬浮态活性污泥的亚硝化反应可以近似按一级反应表示，反应速率随生物量的增加而增加。

Then made them into immobilized cells respectively using polyvinyl alcohol and sodium alginate as carrier.The experiments werecarried out for the selection of nitrosification and denitrification conditions.

然后用聚乙烯醇和海藻酸钠作为载体将它们分别制成固定化细胞，单独作硝化和反硝化试验的条件选择。

The effect of PPC preoxidation on nitrification was conducted by measuring the quantity of nitrite bacteria and nitrate bacteria ,nitrosification performance and nitrification performance in the BAC process.

结果表明，高锰酸盐预氧化后的生物活性炭与单独生物活性炭上亚硝酸菌和硝酸菌的分布具有相同规律；但高锰酸盐预氧化后生物活性炭工艺中亚硝酸菌和硝酸菌数量、亚硝化速度及硝化速度都要高于单独的生物活性炭，这是高锰酸盐促进后续生物活性炭工艺去除氨氮和亚硝酸盐氮的主要原因

The activities of nitrosification and anaerobic ammonium oxidation of both activated sludge and biofilm also were studied. Results showed that the nitrosification rate of activated sludge was 2.89 times than biofilm. AOB was the dominate bacteria in activated sludge.

单级自养脱氮系统中的活性污泥及生物膜样品均具有亚硝化活性，其中活性污泥最大比氨氧化速率为0.234mgN/mgVSS·d，生物膜为0.081mgN/mgVSS·d，活性污泥亚硝化活性是生物膜的2.89倍左右。

In addition, under the above-selected nitrosification condition, the immobilized cells N4 and B08 were used for the combined short-cut biodenitriflcation with the ratio of immobilized cells 1:1 and the seed volume 15%, 27h the denitrogenation efficiency reached 97.53%; the immobilized cells N4 and B08 were used to do denitrogenation application test on eutrophic lake water of our school, 12h the NH4+-N removal rate was 84.06%.

在以上所选亚硝化条件下，按1：1的比例，亚硝化细菌N_4和反硝化细菌B_(08)固定化细胞接种量为15％，广西大学硕士学位论文固定化微生物捷径生物脱氮的研究作联合捷径脱氮试验，27h脱氮率为97.53%；并作本校富营养化湖水的脱氮应用试验，处理12h，NH4十一N去除率为84.06%。

In this paper, adopted augmenting culture in nitrite bacteria culture media and the method of silica gel plate isolation,31 strains of bacteria were isolated from vegetable garden soil of our school. The color reaction test was carried out with Griess reagent and culture fluid, which was regarded as the index to determine producing NO2- or not. 13 strains which color were deep were obtained and they were further rescreened by doing nitrite test. A strain N4(coded N4,the same to the following)with higher rate of nitrosification was picked up after rescreened; A strain B08( coded B08 ,the same to the following) with higher rate of denitrification was obtained after isolated and rejuvenated from our lab conserving mixed denitrifying bacteria culture.

本研究采用亚硝化细菌富集培养基选择培养和硅胶平板分离法，从本校农场菜园土中分离到31株细菌，以格利斯试剂对培养液的反应颜色深浅作为指标衡量其产NO_2~-的多少，经初筛从分离株中筛选出13株格利斯试剂反应颜色较深的菌株，再对这13株菌作亚硝化试验，最终选出一株亚硝化速率较高的菌株(编号为N_4，下同)；另外，通过对本实验室保存的反硝化细菌混合菌液进行分离复壮，筛选出一株反硝化速率高的菌株编号为B_

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。