nh4的近义词

Two methods were developed for qualitative and quantitative analysis of IMP and GMP in condiments and their raw materials by reversed phase ( on the C 18 column) and normal phase ( on the NH 2 column) high performance liquid chromatography.

分别选用NH2柱和ODS柱，采用两种高效液相色谱分离模式，建立了调味品及其原料中肌苷酸钠和鸟苷酸钠的定量分析和定性鉴定的方法。

Results sho w that the profiles of the nitrogen in sediment and in interstitial water are the same, composing of NH+ 4-N. This result shows that the degradation of organic matter occurred mainly in anaerobic conditions.

结果表明，沉积物和孔隙水中NH+4-N、NO-3-N和NO-2-N剖面分布基本一致，基中NH+4-N含量最高，这说明有机质的降解反应主要是在缺氧或无氧环境中进行的；

Synthesis of NH 3 at Normal Temperature and Pressure by Streamer Discharge

常温常压流光放电合成NH3