查询词典 denitrifying

These data imply that nitrifying and denitrifying microbes had already evolved by the late Archean and were present before oxygen first began to accumulate in the atmosphere.

这些发现提示，至少有一个主要的氮素加工细菌组在地球的大气变得富含氧气之前就已经演化而成了。（生物谷 Bioon.com

The nitrogen ammonia nitrite and nitrate degradation rate of stable operation autotrophic denitrifying process are about 15～33%、65～90% and 50%.

稳定运行的自养反亚硝化系统的NH〓-N降解率在15～33%、NO〓-N降解率在65～90%、NO〓-N降解率大多处于50%左右。

The activated sludge in nitrous nitrifying process and autotrophic denitrifying process are fully studied, and the characteristics of these processes in stable and acclimation stage have been drawed.

对亚硝化工艺和自养反亚硝化工艺的污泥相变化进行了仔细研究，得出各工艺稳定运行及污泥适应等阶段的特征污泥相。

Result］ The annual mean value of azotobacter,ammonifiers and nitrobacteria in the river water were 140,1 179 and 691 CFU/ml resp.,the yearly average of nitrosation and denitrifying bacteria were 647 and 369 MPN/ml.

结果］ 水体中固氮菌、氨化细菌、硝化细菌年平均数分别为140、1 179和691 CFU/ml，亚硝化和反硝化细菌年平均数分别为647和369 MPN/ml。

Conclusion］ The ammonifiers in nitrogen utilizing bacteria in Danhe water was in much distribution,the nitrobacteria,nitrosation and denitrifying bacteria were at next and azotobacter was relatively less.

结论］ 丹河水体中的氮利用菌中氨化细菌分布较多，硝化细菌、亚硝化细菌和反硝化细菌次之，固氮菌则相对较少。

Two chemical formulations have developed i. e. one slops demulsifier for disrupting the rigid film formed by iron sulfide particles at oil/water interface, and the other blended inorganic salt formulation for stimulation of the indigenous population of denitrifying bacteria in oil dehydrator.

研制出一个可破坏硫化亚铁颗粒在油水界面上形成的刚性界面膜的污油破乳剂配方和一个可刺激脱水器内原生反硝化细菌数量迅速膨胀的复合无机盐配方。

The communities of Denitrifying bacteria, and some key enzymes of denitrification were also introduced.

从反硝化的角度出发，论述了反硝化细菌的类群、反硝化作用的机理、反硝化细菌细胞中参与反硝化过程的关键酶。

After years' effort, a new aerobic denitrifier that can deoxidize NO 3 - to N 2 and N 2 O has been isolated from ocean environment. Compound bacterial production is made up of aerobic denitrifying bacteria, nitrifying bacteria and organic compound degrading bacteria.

本项目将好氧还硝化菌、硝化细菌和有机质高效降解菌制成复合微生物制剂，通过多种微生物共同作用，在好氧的条件下能同时进行有机质降解、硝化作用和反硝化作用，可有效降低水中的三氮（ NH 4 +、 NO 2 -、 NO 3 -）。

Objective To study the community of denitrifying bacteria and nitrate-nitrogen removal in downflow fixed-bed bioreactor.

目的研究下流式固定床反应器的脱氮效果及反硝化细菌群落结构。

A process for desulfurizing, denitrifying and dusting the fume includes such steps as regulating the air supply of industrial furnace to decrease the generation of NOx, reversely spraying ammonia into combustion box, introducing oxygen to back smoke chamber, removing dust, reaction in centrifugally spraying drying tower to generate ammonium sulfate, separating, and washing in supergravitational washer.

要约 一种烟气脱硫脱氮除尘工艺及装置涉及烟气脱硫脱氮除尘工艺及装置。本发明的工艺包括调节工业炉炉膛内的供风，控制其空气过量系数，减少NO x 的生成量，在炉膛的烟气出口处向炉膛内喷氨，在炉膛后烟室通氧，除尘，烟气在离心喷雾干燥塔反应，生成硫铵，再分离，烟气通入超重力洗涤机洗涤。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷