环境箱可以通过使用液态氮加热组件或冷冻组件。
The chamber can heat the parts or freeze the parts using liquid nitrogen.
通过对不同厚度淤泥水中氮营养盐的测定和分析，初步研究了不同厚度淤泥对水族箱水质环境中氮营养盐的影响。
This paper deals with the influence of a humus layer of different thicknesses on the water quality environment by measuring and analyzing the concentration of nitrogen nutritional salts.
论文研究了一种新型污水生物处理工艺——多点交替进水五箱一体化活性污泥法除磷脱氮工艺。
Commutative multi-influent wastewater treatment processs with five tanks for nitrogen and phosphorus removal, a new developed process, consisted of five biochemical reaction tanks and a settling tank.
介绍了智能型六箱一体化活性污泥脱氮除磷工艺的运行方式及原理，并研究了周期设置对污染物去除的影响。
The principle and running mode of the technology was introduced and the influence of cycle-time-setting on contamination-removing was studied in this paper.
介绍了智能型六箱一体化活性污泥脱氮除磷工艺的运行方式及原理，并研究了周期设置对污染物去除的影响。
The principle and running mode of the technology was introduced and the influence of cycle-time-setting on contamination-removing was studied in this paper.
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