查询词典 nitrate

The anoxic cells will denitrify the nitrate and nitrite, they provide good sludge for anaerobic cells.

缺氧池在系统中起反硝化脱氮和为厌氧池提供良好污泥的作用。

Denitrifying phosphorus removal bacteria is a kind of bacteria that can release phosphorus under anaerobic condition and take up phosphorus under anoxic conditions while simultaneous denitrify nitrate or nitrite.

反硝化聚磷菌是一类能够在厌氧状态下释磷，缺氧存在硝酸盐NO3(上标-或亚硝酸盐NO2(上标-的情况下聚磷，并同时反硝化的聚磷菌。

Heterotrophic nitrification bacteria are able to utilize organic carbon sources to grow and produce hydroxylamine, nitrite and nitrate from nitrogen compounds, and most of them can also denitrify these products to gaseous nitrogen compounds simultaneously.

异养硝化细菌能够在利用有机碳源生长的同时将含氮化合物硝化生成羟胺、亚硝酸盐、硝酸盐等产物，多数还能同时进行好氧反硝化作用，直接将硝化产物转化为含氮气体。

LY could utilize the organic carbon as the source of assimilation when they grew on glucose and ammonium chloride medium companying the formation of oxidized-nitrogen. They also could denitrify nitrate while nitrification.

LY具有异养微生物的性质，在充分利用有机碳进行有氧呼吸的同时还具有较强的硝化及脱氮能力。

We used methanol at different position as carbon resource in the system mixed iron and sand; The Removal of nitrate was studied by the chest packed cotton as a dentification wall.

砂混合反应器对硝酸盐的去除效果及整个反应器运行状况；研究了以棉花介质作为反应墙填充材料的固体碳源的生物反硝化对硝酸盐的去除效果。

In this review, the latest progress about the involved main enzymes, their gene expression regulation, and the comparison of the dissimilatory nitrate reduction between fungi and bacteria were discussed.

此文从参与该过程的关键酶、关键酶的表达调节、真菌与细菌异化硝酸盐还原的比较等角度综述了真菌异化硝酸盐还原的最新研究进展。

Dissimilatory nitrate reduction in fungi includes denitrification and ammonia fermentation, which occurs under the conditions of limited aeration.

真菌异化硝酸盐还原途径的发现打破了反硝化仅存在于原核细胞这一传统观念。

The comparison analysis of nitrate nitrogen determination is conducted with the same standard solution and natural water samples by two methods of spectrophotometric method with phenol disulfonic acid and ultraviolet spectrophotometer.

采用同一标准液和天然水样用酚二磺酸光度法和紫外分光光度法测定硝酸盐氮，进行比对分析，同时调查云南省内用此两种方法密码样考核的情况。

The comparison analysis of nitrate nitrogen determination is conducted with the same standard solution and natural water samples by two methods of spectrophotometric method with phenol disulfonic acid and ultraviolet spectrophotometer.

测定水中硝酸盐氮含量有多种方法，主要包括酚二磺酸光度法、锅柱还原法、戴氏合金还原法、离子色谱法、紫外分光光度法和电极法等。

spectrophotometric method with phenol disulfonic acid ; ultraviolet spectrophotometer ; nitrate nitrogen ; comparison

本文通过对常用的酚二磺酸光度法和紫外分光光度法进行实验比对，同时调查云南省内两种分析方法考核的情况，从而找出两种方法的优缺点，供分析人员在实践中借鉴。l原理1.1酚二磺酸光度法测定的原理方法依据：GB7480一87《水质硝酸盐氮的测定酚二磺酸分光光度法》。用浓硫酸与苯酚作用生成酚二磺酸

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。