氨化作用

污灌以后，随土壤含水量、氧化还原电位和pH值的变化，氨化作用、硝化作用和反硝化作用依次成为氮素转化的主要机制。

After irrigating , with the variation of moisture , oxygen and pH value , the ammonification , nitrification and de nitrification are successively the major causes of nitrogen trasformation in the soil .

烟地土壤氮素的氨化作用与硝化作用的强度变化

Changes of Ammonification and Nitrification Intensity of Soil Nitrogen in Tobacco Field

两种载体生物膜中异养细菌数量动态及其氨化作用

Dynamics of heterotrophic bacteria and ammonification in biofilms associated with two carriers

除草剂对土壤微生物活性、土壤氨化作用和硝化作用的影响

Effects of herbicide on the microbial activity , nitrification and ammonification in soils

生物脱氮处理过程中厌氧氨化作用研究

Anaerobic ammoniation in the course of biological denitrification

但是施入土壤中的氮素在氨化作用及反硝化作用下会造成流失。

But the nitrogen applied to soil ammonification and denitrification will result in the loss .

氨化作用中会产生氨挥发，氨挥发是氮素损失的主要途径。

Ammonification will produce ammonia volatilization , ammonia volatilization is a main way about loss of nitrogen .

用微生物学方法测定了淹没式生物滤器中两种载体生物膜形成过程中异养细菌数量动态及熟化后细菌的氨化作用。

The dynamics of heterotrophic bacteria and ammonification in biofilms on submerged biofilters were determined using microbiological methods .

酸雨对土壤微生物的呼吸强度、纤维素分解强度、氨化作用、固氮作用、硝化作用等都存在不同程度的抑制作用。

Moreover , acid rain inhibited microbial respiration , cellulose decomposition , ammonia-oxidation , and nitrogen-fixation with different degrees .

土霉素对土壤的氨化作用产生抑制，抑制程度与土霉素浓度相关，而土霉素对土壤中硝态氮含量的影响不显著。

Oxytetracycline inhibited to the soil ammonification and the level of inhibition is related to the concentration of the oxytetracycline .

与对照土壤相比，污染土壤呼吸作用下降29.93%，而氨化作用和硝化作用则增强。

The respiratory intensity of the contaminated soil decreased by 29.93 % while ammonification and nitrification increased significantly over that of control soil .

洛克沙胂对氨化作用的影响与阿散酸相反，200mg/kg洛克沙胂表现抑制。

Roxarsone at the dose of 200 mg / kg inhibited the ammonification . Arsanilic acid could inhibit soil nitrification , the effects stronger with increasing of doses .

2.1000ppm时，几种除草剂对两种土壤的硝化作用有一定的抑制效果，对氨化作用有不同程度的促进作用。

The results also showed that when the concentration of herbicides in soils was 1000 ppm , soil nitrification rate was inhibited but soil ammonification rate was stimulated in certain levels .

50mg/kg阿散酸抑制土壤氨化作用，使氨化强度下降17.3～29.1%，但200mg/kg阿散酸促进氨化作用；

Arsanilic acid at the dose of 50 mg / kg could decrease soil ammonification 17.3 % ~ 29.1 % , but the 200 mg / kg of arsanilic acid promoted significantly soil ammonification . The effects of roxarsone was contrary to the arsanilic acid .

搅拌对氟硅酸钠氨化的作用

Effect of Stirring on the Ammoniating of the Sodium Fluosilicate

分析表明，土壤中稀土含量的变化对氮素的影响在旱培条件下主要与稀土对土壤硝化过程作用有关，淹水条件下与稀土对土壤氨化过程作用有关。

The results indicate that the effect of REs on soil N is mainly related to the working of REs to soil nitrification in the dry condition and to soil ammonification in the inundated condition .

该细菌能以乙酰胺为惟一碳源和氮源，能进行氨化和硝化作用并产生亚硝酸。

It could use acetamide as the sole carbon and nitrogen sources .

风化煤和硼在土壤中对尿素氨化与硝化作用及磷有效性的影响

Effect of danly ( weathered coal ) and boron on ammonification and nitrification of urea and availability of phosphorus in soil