您要查找的是不是:
- dissolved ammonium nitrogen 氨氮
- The SHARON process was used to remove ammonium nitrogen from landfill leachate with moving bed biofilm reactor(MBBR). 采用移动床生物膜反应器(MBBR)对城市垃圾渗滤液进行SHARON工艺研究。
- And DCD inhibits the nitrification of ammonium nitrogen and made soil preserve more ammonium nitrogen in a longer period. 并且双氰胺通过其硝化抑制作用可以延缓铵态氮的硝化速率,使施入的碳铵能较长时间的以铵态氮的形态存在。
- Ammonium nitrogen and nitrogen oxides are toxic to methanogeneic bacteria, however, their toxicities can be decreased through domestication. 摘要氨氮、氮氧化物对产甲烷菌有一定的抑制作用,但可以通过驯化去除毒性。
- The method based on microliter sample dilution was applied to monitoring of ammonium nitrogen in fermentation solutions. 把微升进样在线稀释技术同气体扩散光度法结合,测定了农药发酵液中氨态氮的含量。
- The result indicates that natural clinoptilolite can remove ammonium nitrogen with the efficiency of 95% and suspended particulate of 90.94%. 结果表明:天然斜发沸石对氨氮的去除率可达到95%25;对悬浮物的去除率可达到90.;94%25。
- The amounts of ammonium nitrogen in soil by fertilizing the dicyandiamde(DCD) and NBPT-amended and the DCD and NBPT-amended large size granular of urea coated by starch acetate was the highest in all the fertilizers treatments. 硝化抑制剂DCD与NBPT混合涂层大颗粒尿素、醋酸酯淀粉包膜DCD与NBPT混合涂层大颗粒尿素的铵态氮含量最高;分别达到60.;22 mg kg-1土和59
- Oxalate content in leaves of buckwheat seedlings cultured under hydroponic condition with ammonium nitrogen or urea as the only nitrogen source was much lower than that with nitrate nitrogen. 而乙醇酸与乙醛酸则显著提高其草酸含量,表明荞麦叶片草酸合成主要来自乙醇酸途径,而非来自抗坏血酸等途径。
- This paper reports the effect of DCD in seedling stage to soil microorganism of bacteria,mold and actinomycetes,and the concentration changes of both ammonium nitrogen and nitrate nitrogen in soil. 实验研究了双氰胺在玉米苗期对土壤微生物细菌、霉菌和放线菌的影响,及对土壤中铵态氮和硝态氮贮量变化的影响。
- In the end the ammonium nitrogen content of the treatment with AOL or DCD was towered above the one without those nitrification inhibitors, and the nitrate nitrogen content of the former was less than the latter. 在相同条件下,分别加AOL和DCD处理的铵态氮质量分数都要比未加硝化抑制剂处理的高; 相应地,在开始阶段硝态氮质量分数也要比未加硝化抑制剂处理的低。
- The maximum soil ammonium nitrogen content was observed on the 9~(th) day after fertilization(DAF). The soil ammonium concentration was in the order of U > OM > IBDU > GUS > CDU > CK. 施肥后9d土壤中铵态氮含量最大,依次为:U>OM>IBDU>GUS>CDU>CK;
- This paper researches the effects on removing ammonium nitrogen and suspended particulate from water using natural clinoptilolite as filtration medium in sand filter with little power. 利用天然斜发沸石作为微动力砂滤器的滤料,研究了它去除水中氨氮、悬浮物的效果。
- In Hunan Liuyang, with the field trials, the effect of ratio of nitrate nitrogen to ammonium nitrogen (RN) on agronomical character, economic and quality of flue-cured tobacco were studied. 摘要在湖南浏阳,运用田间小区试验研究了硝态氮、铵态氮比例(RN)对烤烟田间长势与产量以及部分品质因素的影响。
- In Hunan Liuyang,with the field trials,the effect of ratio of nitrate nitrogen to ammonium nitrogen(RN) on(agronomical) character,economic and quality of flue-cured tobacco were studied. 摘要 在湖南浏阳,运用田间小区试验研究了硝态氮、铵态氮比例(RN)对烤烟田间长势与产量以及部分品质因素的影响。
- Abstract: In Hunan Liuyang, with the field trials, the effect of ratio of nitrate nitrogen to ammonium nitrogen (RN) on agronomical character, economic and quality of flue-cured tobacco were studied. 文章摘要: 在湖南浏阳,运用田间小区试验研究了硝态氮、铵态氮比例(RN)对烤烟田间长势与产量以及部分品质因素的影响。
- Ice dissolved in the warm weather. 冰在温暖的天气中溶化了。
- The party is dissolved, and I go forth alone. 集会解散了,我独自一人离去。
- high-concentration ammonium nitrogen 高浓度氨氮
- The coach dissolved into the blackness. 马车消失在黑夜中。
- All his hopes dissolved at the terrible news. 那个极坏的消息使他的一切希望都破灭了。