克雷默计算了一下，如果海地将人类排泄物中的50%养分回收利用到农田，那么每公顷氮的投入将跃升到17千克。
Kramer calculates that if Haiti recycled 50 percent of the nutrients in human waste onto farmland, input would leap to 17 kilograms per hectare.
目的：利用废水回收磷、氮，生产化肥。
Task: Recover phosphorus and nitrogen from wastewater to make fertilizer.
叙述了介绍了气体膜分离技术在分离空气制备富氧、富氮，水蒸气、有机蒸汽的分离和氢气回收等工业领域的应用。
Various applications of gas separation membrane were reviewed in details, such as medical rich oxygen, air separation, water vapor separation, hydrogen recovery in refinery gas and so on.
在空气分离工厂，通过空气液化和蒸馏分离出氮。接着氮作为低温液体回收。
Nitrogen is produced at air separation plants by liquefaction of atmospheric air and separation of the nitrogen by distillation. The nitrogen is then recovered as a cryogenic liquid.
而经平衡渗析脱盐，其脱盐率达98.5%，回收率达83.13%，氮溶解指数（NSI）达97.85%。 因此，平衡渗析是适合制备可溶性丝素蛋白技术。
The results showed that the desalting ratio, recovery ratio and the NSI of dialysis technology were 98.5%, 83.13% and 97.85%, respectively, which were higher than those of ultrafiltration.
吹风气回收技术已在中氮厂逐渐推广应用。
The technique of blow reclaim has been generalized gradually in medium nitrogenous fertilizer factory.
接着氮作为低温液体回收。
本发明的方法从源头上减少氨氮排放，能有效地分离回收乙酰甲胺磷；
The method has the advantages that: the emission of ammonia nitrogen is reduced from the source, and the acephate is effectively separated and recovered;
缩短了实验周期，提高了氮的回收率。
The experiment period is shorten and the recovery rate of nitrogen is improved.
对LNK871凯氏定氮快速蒸馏器和半微量凯氏定氮仪在蒸馏测定结果、蒸馏时间、回收率三个方面进行了比较试验。
The comparative test of LNK871 rapid Kjeldahl distiller and semi-micro Kjeldahl appearance was reviewed in this paper.
本发明处理废水过程的COD去除率和氨氮去除率、废水回收率都得到很大的提高。
The process ensures that the COD removal rate, the ammonia nitrogen removal rate and the wastewater removal rate of the wastewater treatment process are improved greatly.
本发明处理废水过程的COD去除率和氨氮去除率、废水回收率都得到很大的提高。
The process ensures that the COD removal rate, the ammonia nitrogen removal rate and the wastewater removal rate of the wastewater treatment process are improved greatly.
应用推荐