DNB是什么意思

用法例句

Study on nitrate-nitrogen removal and community analysis of denitrifying bacteria in downflow fixed-bed bioreactor;

下流式固定床反应器中反硝化细菌类群及其脱氮效率分析

Effect of four kinds of heavy metal contamination on denitrifying bacteria in paddy soils.;

4种重金属污染对稻田土反硝化细菌的影响

Effect of Cr~(3+) contamination on the population and the denitrification activity of denitrifying bacteria in paddy soils;

Cr~(3+)污染对稻田土壤的反硝化细菌种群数量及其活性影响的研究

Isolation and identification for an aerobic strain of denitrobacteria;

一株好氧反硝化细菌的分离与鉴定

To reduce the poisonous compounds in the breeding ponds,five species of bacteria including(nitrobacteria,) denitrobacteria,photosynthetic bacteria(PSB),thiobacteria and bioflocculation bacteria were screened from the breeding water.

针对养殖水体中因氨态氮、硫化氢和小分子有机酸富营养化引起的污染问题,分离筛选出硝化细菌、反硝化细菌、光合细菌、硫化细菌和生物絮凝菌等具有不同生理功能的污染物治理菌株,经优化配伍制备出性能优良的复合功能菌,结果表明:硝化细菌对氨态氮的去除率达97。

[Objective] To study the effect of inorganic nitrogen fertilizer on nirS-type denitrifiers\' community in the wheat soil.

【目的】研究施用无机氮肥对小麦田土壤nirS型反硝化细菌多样性的影响。

Effect of Different Levels of Straw-Returning-Back-to-Field and N Fertilization on Nitrifiers and Denitrifiers of Paddy Soils in FACE (Free-Air Carbon Dioxide Enrichment);

利用位于江都市小记镇的中国稻-麦轮作FACE平台,采用最大可能(MPN)法,在2004年水稻生长季研究了不同施肥情况(施常规N量UN和低N量LN)、不同秸秆还田情况(秸秆全还田HR和秸秆不还田NR)下,土壤中硝化和反硝化细菌数量在FACE条件下随时间的变化。

DNB-1 and SRB-2 isolated from flooding water in Daqing oil field were used to study the competitive inhibition relations between the two bacteria species and the effects of nitrate and nitrite amendment.

以从大庆油田采出水中筛选到的硫酸盐还原菌SRB-2和反硝化细菌DNB-1为目的菌,考察两者之间的竞争抑制关系,以及添加营养物质的种类和浓度对SRB-2数量及产H2S活性的影响。

Isolation and Denitrification Characterization of an Aerobic Denitrifier

好氧反硝化细菌的分离及其反硝化能力

Screening and denitrification characteristics of Aerobic denitrifiers

好氧反硝化细菌的筛选及其反硝化特性研究

Removal of Nitrate from Industrial Wastewater by Use of Denitrifying Bacteria

反硝化细菌对造纸工业废水硝态氮去除的研究

Characterization of an Aerobic Denitrifying Isolate and Studying on its Denitrifying Capability;

一株好氧反硝化细菌的分离鉴定及其反硝化能力研究(英文)

Quantification of denitrifying bacteria and denitrification process in surface sediment at adjacent sea area of the Yangtze River Estuary in summer

长江口海域夏季沉积物反硝化细菌数量及反硝化作用

Isolation,Identification and Degradation Characteristics of a Slight Halophilic Denitrifying Bacteria

一株轻度嗜盐反硝化细菌的分离鉴定和反硝化特性初探

Identification and Denitrification Analysis of Denitrifying Bacteria in Sea Sediment

海洋沉积物中反硝化细菌的分离鉴定及反硝化性能研究

Isolation and Identification of Denitrifying Bacteria and Its Bioaugmentation on Nitrate Wastewater Treatment

反硝化细菌的筛选、鉴定及其强化处理硝酸盐废水的研究

The ecological distribution of denitrifying bacteria in the three soils on rhizoplane and in rhizosphere of rice and barley was studied.

本文报道了三种土壤中水稻根际反硝化细菌的生态分布及两种作物对根际反硝化细菌的影响。

Study on Screening and Physiological Character of Aearobic Denitrification Bacteria;

好氧反硝化细菌的筛选和生理特性的研究

Functions of Denitrifying Bacteria and Its Application in Aquaculture;

反硝化细菌的作用及其在水产上的应用

Screening of a denitrifying bacterium strain LZ-14 and its nitrogen removal characteristics

一株反硝化细菌LZ-14的筛选及其脱氮特性

Molecular Diversity of Marine Attachment Bacteria in the Qingdao Coast and Denitrifying Bacteria in Mariculture Environments;

青岛近海附着细菌和养殖环境反硝化细菌多样性研究

Isolation and Identification of an Autotrophic Denitrifying Strain with Iron Powder as Electron Donor;

一株以单质铁作为电子供体的反硝化细菌的分离和鉴定

Activity and composition of the denitrifying bacterial community respond differently to long-term fertilization

长期施肥制度对稻田土壤反硝化细菌群落活性和结构的影响

Diversity of nirS-type denitrifying bacteria under different nitrogen fertilizer management in wheat soil

氮肥对小麦田土壤nirS型反硝化细菌多样性的影响

The effect of microcystin-RR on the growth and physiological characteristics of denitrifying bacteria

微囊藻毒素-RR对反硝化细菌生长及生理特性的影响

Isolation and identification of two aerobic denitrifiers with high efficiency in the removal of N from simulated wastewater

两株高效好氧反硝化细菌的分离鉴定及其脱氮效率