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- Cumulative removal ratio of nitrogen was closely related with nitrogen concentration，working time and biomass of periphyton. 附着生物对水柱中氮的累积去除率和水柱中氮的浓度、附着生物的生物量以及附着生物作用时间密切相关。
- cumulative removal ratio 累积去除率
- And COD removal ratio in US-VMD process is superior to that in VMD process. 同时;超声波-减压膜蒸馏组合技术较减压膜蒸馏过程有更大的COD去除率.
- CODCr removal ratio of DSD acid reduction wastewater was over 74.7% at appropriately operating conditions. 通过树脂选型确定出大孔弱碱性阴离子交换树脂D301R;其对废水COD_(Cr)的去除率可达74.;7%25。
- According to the inspection of Shanghai KAKON (Japan-based) Inspection &Testing Services Co., Ltd., its removal ratio of deodorization is up to 60%. 经上海科恳（日本）检测：除异味性能减少率达到60%25。
- The CODCr level in the raw wastewater is high to 1000 mg/l, the CODCr removal ratio of 30% by bio-membrane process alone was gained formerly. 制浆造纸废水对环境的污染危害以化浆系统洗、选、漂工段排出的混合废水(亦称造纸中段废水)最为严重。
- When the microorganism maturing, a steady state stable Fe/ Mn removal ratio excess99% has been obtained, which is better than the requirement of the national standard. 生物滤层培养成熟后,滤池铁锰去除效率达99%25上,出水水质优于国家标准,取得了稳定的运行效果。
- The simulated waste water containing Cd2+or Cr6+ was treated with CTA-CMCTS as flocculating agent. The removal ratio of Cd2+and Cr6+ may reach 99.7% and 94.4%,respectively. 以CTA-CMCTS为絮凝剂处理含Cd2+或含Cr6+模拟废水时;Cd2+和Cr6+的最大絮凝去除率分别可达99.;7%25和94
- The remov ratio of COD in the waste water and turbidity are 94.42 %, 93.17 % respectively.The water disposed attained the first-class exhaustion criterion of chemical fiber and serosity. 经处理后废水的COD去除率高达94.;42%25;浊度去除率达93
- Experimental results showed that an average rejection of 88.16% calcium sulfate could be achieved by a two-stage flotation operation, approaching the theoretical removal ratio of 91.58% from crude carnallite. 实验结果表明，分级浮选法除钙率平均达88.;16%25，接近原矿的理论可除钙离子量91
- The CODCr of the effluent is under 160 mg/L with 94.5 percent removal ratio, and the chromaticity of the effluent is u nder 5 times with 99.2 percent removal ratio, which reaches the discharged stand ard. 结果表明;出水CODCr<160mg/L;去除率为94.;5%25; 色度<5倍;脱色率为99
- Batch technical experiments indicated that CODCr removal ratio of CLT acid wastewater was over 96%, and CODCr of treated wastewater under 100mg/L at appropriately operating conditions. 在适宜的工艺条件下CLT酸母液的CODCr的去除率达96%25以上,且处理后出水CODCr低于100mg/L。
- When the solution of crude glutamine crystal from the fermentation was separated by single anion exchange column, the highest recovery of Gln was 83%, and the removal ratio of Glu reached 90%. 粗晶溶解液通过阴离子交换柱后,谷氨酰胺最高收率达到83%25,谷氨酸去除率90%25。
- The oxidative made from AS, AC, MB and CaCl 2 may prohibit deoxidative sugars in pulp wastewater from destroying active oxygen and free radicals and increase effectively the removal ratio of COD. 利用海藻酸钠、活性炭与亚甲基蓝形成的光敏性氧化剂,可以有效地抑制造纸废水中的还原性糖类对活性氧及羟基自由基的猝灭效应,大大提高其对COD的去除率。
- Besides the removal ratios of nitrate and nitrite in column A were higher than column B. 另外柱A对硝酸盐氮和亚硝酸盐氮的去除效果也优于柱B。
- Experimental results show that there are ductile removal and brittleness removal simultaneously, and the model can analyze qualitatively the material removal ratio in dual-lapping of sapphire. 结果表明，蓝宝石双面研磨中同时存在延性去除和脆性去除，该模型可以定性地描述双面研磨加工材料的去除率。
- In the dual systems, when the dosage of PA was 1000ppm and the dosage of HCS or HCG 500ppm, the stickies removal ratios were 74.30% and 84.51%. 当加入1000ppm PA、500ppm HCS或HCG时;胶粘物去除率可以分别达到74.;30%25和84
- The removal ratios of impurities in the tanning discharge were more than 99% for Cr 3+ and hue, more than 87% for SS, but only 47% for COD mainly via co sedimentation. 铬鞣废水Cr3+ 和色度去除率大于 99%25 ,SS去除率大于 87%25 ,但COD去除率只有 4 7%25 ,主要依靠协同沉降。
- The process of improvement is a cumulative one. 改进的过程是逐渐积累的。
- In the triple systems, when the dosage of PA was 1000ppm, the dosage of HCS or HCG 500ppm and the dosage of CPAM 500ppm, the removal ratios were 80.28% and 92.60%. 当加入1000ppm PA、500ppmHCS或HCG以及500ppmCPAM时;胶粘物去除率分别可以达到80.;28%25和92
