In this study, a biological process for controlling the concentration of residual nitrogen in coke-plant wastewater was investigated on a bench scale and through pilot plant experiments.
本文通过小试及中试，对焦化疲水的生物脱氮处理进行了研究。
A century earlier, Henry Cavendish had noted the existence of a residual gas when oxygen and nitrogen are removed from air, but its importance had not been realized.
一个世纪前，亨利·卡文迪什注意到当空气中的氧气和氮气被除去，还有其他剩余气体存在，但人们还没有认识到它们的重要性。
An electronic leak detector may find any residual traces of refrigerant or oil forced out by the increased pressure of the nitrogen.
一个电子检漏器能够发现任何由于氮气压强升高而被挤出的制冷剂或汽油残渣。
The results of nitrogen fertilizer residual effect under conventional and hole-source pattern showed that there had no significance difference on statistical analysis .
孔源及常规施肥方式下氮肥后效田间试验表明，二者之间无统计上显著差异。
The new-developed slurry bed hydrocracking technology for processing heavy oil with high contents of metal, nitrogen, gum and residual carbon has been developed in China.
针对劣质重油中金属、氮、胶质、康氏残炭含量高的问题，国内已经开发了悬浮床加氢裂化工艺。
The increase amount of residual nitrate N from third harvesting to fifth harvesting was 51.6% of the total amount of applied nitrogen during this period.
从第三季作物收获到第五季作物收获，残留硝态氮的增加量占这一时期氮肥施用量的比例高达51.6%。
Supplemental irrigation at over-wintering, jointing or filling stage significantly increased the nitrogen uptake by plant and decreased the nitrogen residual 47.
通过温室培养试验，研究了不同生长期缺水和补充灌水对冬小麦氮素吸收利用和土壤残留的影响。
Supplemental irrigation at over-wintering, jointing or filling stage significantly increased the nitrogen uptake by plant and decreased the nitrogen residual 47.
通过温室培养试验，研究了不同生长期缺水和补充灌水对冬小麦氮素吸收利用和土壤残留的影响。
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