英语单词nh4是什么意思?nh4怎么读?nh4怎么发音?英语网为您整理了nh4的解释、用法、例句、词组等相关学习资料。下面跟小编一起来看看吧！
nh4的意思
1、四钼酸铵；四种白色粉末；四钼酸铵结晶
nh4的双语例句
1、Great removal efficiency on both NH4+-N and BOD5.
在颗粒污泥的形成过程中，对氨氮和BOD5都有很好的去除效果。
2、The NH4+ content changes with the growth stage differently between the two varieties.
NH4+含量随生育期的变化两品种间差异较大。
3、The substitution of NH4-would be more complete under sufficient water.
水充足时NH4~+取代更彻底；
4、The amount of NH4+-N release increased with the temperature rising.
随着温度的升高，NH4+-N的释放量增大。
5、Contrast result analysis of the experiments of the transition and adsorption of NH4+ in porous medium
孔隙介质NH4~+迁移吸附实验结果对比分析
6、The NR activity in leaves remained low in NH4+-N treatment alone.
而单一铵态氮处理下幼苗叶片的NR活性则一直维持偏低水平。
7、The freshly fixed NH4 came mainly from the mineralization of organic nitrogen in soil.
这部分增加的固定态按主要来自土壤有机氮矿化补充。
8、An investigation of Photoelectrochemical synthesis of ammonia ( nh4+) using tio_2 powder systems
TiO2粉末体系光电化学生成氨（NH4~+）的研究
9、The content of free total organic acids increased with the enhancement of NH4+-N ratio.
而随着NH4+-N比例增加，半夏块茎中总有机酸呈现上升的趋势。
10、The groundwater is polluted to varying degree by NH4+ in Tianjin City.
天津市地下水不同程度地受到NH4+污染。
11、The organic matter, NH4+-N, available N content have conspicuously increased;
土壤有机质、铵态氮和速效氮含量有所增加；
12、Which could be alleviated or even eliminated by NH4+-N.
NH4~+-N有利于改善花生的铁营养状况，可缓和甚至消除NO3~&N和HCO3~-引起的生理性缺铁。
13、Perfect removal efficiency of NH4+-N was also obtained and the average removal efficiency was 96.5%.
对NH4+-N也有较好的去除效果，平均去除率为96.5%。
14、But the concentration of NH4+ decreased to the very low level in 7-10 days after fertilizer was applied.
而田表水层中铵态氮浓度在施肥后第7&10天左右均降至很低水平。
15、In the acidic soil, high NH4+ concentration of long term may result in toxicity to plant roots.
酸性条件下，土壤中较长时间保持高浓度的NH4+，会对植物根系产生毒害作用。
16、Enhanced aeration can improve the removal of NH4+-N and TN effectively.
局部强化曝气措施可以有效提高总氮和氨氮的去除率。
17、Langmuir equation could well reflect NH4+ adsorption reaction of soil, and correlation coefficients were highly significant.
采用Langmuir方程均能很好的反映各处理土壤对NH4+的吸附反应，相关系数均达极显著水平。
18、As the decomposition of organic nitrogenous, the concentration of NH4+-N increased.
随着秸秆分解的程度加深，土壤中铵态氮的含量增加，土壤硝化势增强。
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