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- 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。
- Seasonal Cycle Analysis of the Nitrate Nitrogen and Nitrite Nitrogen in the Bohai Sea 渤海硝酸盐氮和亚硝酸盐氮季节循环分析
- The improvement method to determine the Nitrate Nitrogen with gaseous molecular absorption spectrum method 气相分子吸收光谱法测定硝酸盐氮的改进方法
- Some commercial laboratories use periodic nitrate nitrogen tests as guides. 许多商业性的试验室已应用定期的硝态氮分析作为指导。
- the nitrate nitrogen 硝态氮
- The nitration of this may lead to dinitrotoluene. 对此的硝化会生成二硝基甲苯。
- In many plants, including most tree crops, nitrate nitrogen does not usually occur in the leaves. 在一些植物中,包括绝大多数的木本作物,硝态氮并非经常存在于叶片中。
- The nitrate form commonly dominates where liberal nitrogen fertilization is practiced. 施用足量氮肥的土壤,通常硝酸钙占优势。
- Nitrate nitrogen removal from ground water by autotrophic denitrification in a packed bed reactor. 固定床自养反硝化去除地下水中的硝酸盐氮。
- Degumming experiment was carried out with the ammonium salt and the nitrate as the nitrogen additive. 以铵盐和硝酸盐作为含氮添加剂进行脱胶试验。
- We got the relative compound standard indeterminacy of nitrate nitrogen content in water,8. 采用酚二磺酸分光光度法对水中硝酸盐氮进行不确定度评定。
- Rhoads F M.A comparison of ammonium and nitrate nitrogen for cigar wrapper tobacco[J],Agron.J. 李智勇;刘思英;丁一;等.;氮肥种类和形态对烤烟生育及产质的影响[J]
- The nitrate ion has four fundamental modes of vibration. 硝酸离子有四个基频形式。
- The same result was observed under hydroponic condition with nitrate nitrogen in which glutamate or serine was added. 水培条件下,以铵态氮或尿素等作唯一氮源时,荞麦中草酸含量远低于以硝态氮培养的;
- Potted experiments were used to study the influence of nitrogen intensive gradient on the nitrate content in Chinese cabbage. 利用盆栽试验,研究了氮肥集约度对小白菜中硝酸盐含量的影响。
- Studies were carried on the effects of two types of nitrogen formation on the nitrate, nitrite and Tobacco-specific Nitrosamines(TSNA) content. 研究了不同氮素形态对烤烟烟叶中硝酸盐、亚硝酸盐和烟草特有亚硝胺(TSNA)含量的影响。
- Blanched gourd did not show such a pattern.Low temperature storage appeared to be favorable for the control of nitrate nitrogen in veg... 低温处理有利于控制蔬菜中硝态氮的含量,但对可溶性总糖含量的影响却较小。
- In order to establish an easy,rapid and practical method of determination of nitrate nitrogen in quality controlled water,thymol was applied. 用麝香草酚法测定水中硝酸盐氮,并与标准方法酚二磺酸法进行对照,所测结果经统计学处理,两种方法无显著性差异,精密度、准确度等各项指标符合分析标准。
- The results indicated that adding DCD significantly increased ammonium content and decreased nitrate nitrogen content at the same time. 结果表明,添加DCD明显提高了相应处理的铵态氮含量,降低了硝态氮含量。
- Pot and water culture experiments were conducted to study the regulation effects of nitrate nitrogen on chromium toxicity to Brassica campestris L. 通过盆栽和水培试验,探讨了硝态氮对小白菜铬污染毒性的调控作用。