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氮负荷
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  nitrogen loading
     d-1, corresponding nitrogen loading rates≤0.38 kgTN?
     d-1,相应的氮负荷≤0.38 kgTN?
短句来源
     When the influent did not contain organic matter and the substrate (ammonium and nitrite) concentration was 70~280mg·L~ -1 , the volumetric total nitrogen loading rate reached 0.29~0.72 kg·m~ -3 ·d~ -1 , the ammonium removal was 86.0%~99.7% and the nitrite removal was 88.7%~99.3%.
     在没有有机物的条件下,进水基质(氨氮和亚硝氮)浓度为70~280mg·L-1,容积总氮负荷为0.29~0.72kg·m-3·d-1,氨氮去除率86.0%~99.7%,亚硝氮去除率88.7%~99.3%.
短句来源
     d-1, corresponding nitrogen loading rates is 0.30 kgTN?
     d-1,相应的氮负荷为0.30 kgTN?
短句来源
     The experimental results show that under the condition of ammonia nitrogen loading rate of 0.069 0 to 0.284 3 gNH+4-N/(gVSS·d),the satisfactory nitritation performance can be achieved and the effluent NO-2-N/NO-x-N is 87% to 95%.
     试验结果表明,在氨氮负荷率为0.069 0~0.284 3gNH+4-N/(gVSS.d)的条件下,可获得令人满意的亚硝化性能,出水NO-2-N/NOx--N值为87%~95%。
短句来源
     Under the conditions of the filtration rate of 1 m/h,air/water ratio of 1 ∶1,water temperature of 13-16 ℃,influent ammonia nitrogen loading of 1.5-1.8 kg/(m~3·d),the ammonia nitrogen removal capacity is 0.7-0.9 kg/(m~3·d),and the nitrite nitrogen amounts to over 90% of the sum of the nitrification production.
     在滤速为1 m/h、气水比为1∶1、水温为13~16℃、进水氨氮负荷为1.5~1.8 kg/(m3.d)的条件下,系统对氨氮的去除能力为0.7~0.9 kg/(m3.d),亚硝酸盐氮占硝化反应产物的90%以上。
短句来源
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  “氮负荷”译为未确定词的双语例句
     According to 19. 1 gN/(L · d) and 91. 3 gCODCr/(L · d), 98. 4% of N-removal and 91. 1% of CODCr removal has achieved respectively.
     当反应器氮负荷为19.1 gN/(L·d)、有机负荷为91.3 gCODCr/(L·d)时,氨氮和CODCr去除率分别达到98.4%与91.1%;
短句来源
     The NH_3-N volumetric loadis up to 0.61~0.84 kgNH_3-N/(m~3·d), and averagely 99.18% of NH_3-N can be removed.
     在氨氮负荷高达0.61~0.84 kgNH_3-N/(m~3·d)的时候,氨氮的去除率平均为99.18%;
短句来源
     No nitrate was accumulated. In the effluent gained parameters were 0.238 kgN/( m~3·d ), 0.526 kgN/(m~3·d), 198 days, 0.0051d~ -1 , 0.0375gVSS/gNH_3-N for ammonia loading, nitrite loading, sludge age, specific sludge growth, sludge yield respectively.
     出水中氨氮负荷为0.238kgN/(m3·d),亚硝酸盐氮负荷为0.526kgN/(m3·d),污泥龄为198d,污泥比增长率为0.0051d-1,污泥产率为0.0375gVSS/gNH3-N。
短句来源
     The experiment that HNO_2 was accumulated when temperature>30℃,DO<1.0mg/L,PH>8.0,the high load of NH_3-N is beneficial to accumulate HNO_2.
     从试验中得出,当温度大于30℃,PH值大于8.0,DO小于1.0mg/L时可实现HNO2积累。 同时研究也得到,高的氨氮负荷也有利于NHO2积累。
短句来源
     When the ammonium-nitrogen load of input water was 60g/(m3-d), the best DO concentration should be controlled at 0.5~0.7mg/L.
     进水氨氮负荷为60g/(m~3.d)时,最佳DO应控制在0.5~0.7mg/L,此时氨氮转化率达到90%以上。
短句来源
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  相似匹配句对
     Discussion on Estimating Nitrogen and Phosphorus Pollution Loads in Aquaculture
     水产养殖磷污染负荷估算初探
短句来源
     Research on load model of particulate nitrogen and phosphorus
     颗粒态负荷模型研究
短句来源
     3 Effects of different nitrogen applied level on nitrogen
     施?
短句来源
     These facts indicated that the nitrogen ferti
     施用
短句来源
     Electric Power Load Control Instrument
     电力负荷控制仪
短句来源
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  nitrogen loading
The verified model shows that a significant reduction of total nitrogen loading would be required to meet the water quality objectives, with a recovery time of three months for water column and more than two years for sediment.
      
The relationship between the COD or ammonia nitrogen loading and its removal rate was examined, and the removal of COD, ammonia nitrogen and total nitrogen could exceed 95%, 90% and 80% respectively.
      
We examined the potential growth stimulating impact of atmospheric nitrogen loading (ANL), as local rainfall, in representative shallow, nitrogen limited North Carolina mesohaline estuarine and euhaline coastal Atlantic Ocean habitats.
      
High dissolved inorganic-nitrogen loading during the summer months promoted major blooms of cryptomonads, chlorophytes, and cyanobacteria.
      
The diluted wastewater was treated with a hydraulic retention time of 6?days, corresponding to a volumetric nitrogen loading rate of 1.1?g nitrogen l-1 day-1 with an overall TKN reduction of 78.0%.
      
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The author has studied the nitrogen removal capability of an intermittently aerated biological filter through pilot plant experiments and obtained the following results : 1, Nitrogen removal of an aerobic biological filter was increased by intermittent aeration with definite intervals.2.The intermittently aerated biological filter showed stable , high nitrogen removal capabilities of 70-80% at various influent flow rate and nitrogen concentrations.3. The optimum operational conditions of this pilot plant were...

The author has studied the nitrogen removal capability of an intermittently aerated biological filter through pilot plant experiments and obtained the following results : 1, Nitrogen removal of an aerobic biological filter was increased by intermittent aeration with definite intervals.2.The intermittently aerated biological filter showed stable , high nitrogen removal capabilities of 70-80% at various influent flow rate and nitrogen concentrations.3. The optimum operational conditions of this pilot plant were determined to be as follow : TOC - volume loading rate = 0.25 kg TOC/m3 ·day, TN - volume loading rate = 0.025 kg TN/m3· day , aeration rate = 70L/min., interval of intermittent aeration= 30 mi n .

经过半生产性模型试验,对间断曝气循环生物滤池的除氮机能进行了种种考察,认为该池是高效的生物脱氮装置,其脱氮率可高达80%;最佳运行条件是总氮负荷量为0.025kgTN/m~3·d,TOC负荷量为0.25kgTOC/m~3·d,空气量为70L/min,曝气时间与停曝时间各为30min;在一定负荷范围内对水质、水量变化有一定适应性。

The main design parameters of , slow rate land treatment are hydraulic loading rate, constituent loading rates, application frequency and depth of water applied. As SR systems share better capability of deleting organic contaminants and the organic contaminant contents of municipal wastewater are far below the loading rates of SR system, the desigh parameters of SR system will be dominated by nitrogen concentration of wastewater. Under Kunming experimental conditions. 3.57g/m2·d of BOD5 loading amount will not...

The main design parameters of , slow rate land treatment are hydraulic loading rate, constituent loading rates, application frequency and depth of water applied. As SR systems share better capability of deleting organic contaminants and the organic contaminant contents of municipal wastewater are far below the loading rates of SR system, the desigh parameters of SR system will be dominated by nitrogen concentration of wastewater. Under Kunming experimental conditions. 3.57g/m2·d of BOD5 loading amount will not affect the process performance, however, nitrogen loading rate abould not exceed 0.6-0.7 g/m2·d. Hydraulic loading rate based on nitrogen limits is 3-6m/a. Under given allowable loading rates, the depth of applied water should be lest than 7 cm and the intervals -between applications range from 4 to 5 days.

由于慢速渗滤土地处理系统对污水中的有机污染物有较高的去除能力,且城市污水的有机污染物浓度远低于系统的处理负荷量,故系统的设计参数受污水中氮浓度控制.试验表明,BOD_5负荷率高达3.57g/m~2·d仍不会影响系统的工艺性能,但氮负荷率一般不应超过0.6—0.7g/m~2·d.由氮极限值确定的水力负荷率为3—6m/a.在规定的负荷率下,投配水深采用<7cm,4—5天投配一次污水的投配频率是适宜的.

The field experiments were conducted to treate wastewater by SR system, in east suburb of Tianjin. The results showed that total removal rates of TK-N, NH_4-N and T-P are over 90%, and the effluent quality can meet the standards of the treatment. Total average value of NO_3- Nin effluents, was below 2mg/1 which was much tess than drinking water standard, 20mg/1. On the basis of the results, the process conditions have been suggested for the SR system as follows: hydraulic loading rate is 150cm/year, which is...

The field experiments were conducted to treate wastewater by SR system, in east suburb of Tianjin. The results showed that total removal rates of TK-N, NH_4-N and T-P are over 90%, and the effluent quality can meet the standards of the treatment. Total average value of NO_3- Nin effluents, was below 2mg/1 which was much tess than drinking water standard, 20mg/1. On the basis of the results, the process conditions have been suggested for the SR system as follows: hydraulic loading rate is 150cm/year, which is to irrigate twice a month and 9cm each time; nitrogen loading rate is 500kg/ha·year in upland field and 250kg/ha·year in paddy field; Phosphorus loading rate is 150kg/ha·year and 75kg/ha·year respectively; control concentration of total nitrogen in the inffuent is 30-40mg/1 in upland field and 15-20mg/1 in paddy field; control concentration of total phosphorus is 10mg/1.

现场试验表明,SR系统处理城市污水,对TK—N、NH_4—N和T—P的总去除率达90%以上;出水中NO_3—N虽有增加,但总均值<2mg/1,远低于饮水标准(20mg/1);各组分出水水质符合工艺要求。根据试验结果和有关资料,为本地区的SR系统提出如下工艺指标:水力负荷150cm/年,2次/月,9cm/次;氮负荷500kg/ha·年(旱地)和250kg/ha·年(水田);磷负荷分别为150kg/ha·年和75kg/ha·年;进水中氮的控制浓度30~40mg/1(旱地)和15~20mg/1(水田),磷的控制浓度均为10mg/1。

 
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