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LMS 1

Weibull分布杂波 1

ZMNL 1

三维过程；三元数；最小均方；卡尔曼滤波器 1

仿真 1

低光增强；过滤—群聚注意力；密集连接金字塔；递归网络 1

保持边缘的自适应滤波器 1

光流计算 1

分布式卡尔曼一致性滤波；事件触发机制；信息年龄（AoI）；稳定性分析；能量优化 1

分析滤波器；线性预测；窄带语音水印；通带激励替代；能量规范化；谱包络成形；合成滤波器 1

动态状态估计器；卡尔曼滤波；测试误差；支路参数误差；负荷突变 1

升级改造 1

单波束测距 1

卡尔曼滤波；多重统计相似度量；多样野值；定点迭代；状态估计 1

卡尔曼滤波；高斯滤波；时间序列估计；贝叶斯滤波；非线性滤波；约束滤波；高斯混合；机动；未知输入 1

压滤 1

复倒谱 1

多机动目标跟踪；多模型；广义标签多伯努利滤波器；多目标混合系统 1

多目标跟踪；广义标签多伯努利；辐射源信号特征；模糊C-均值；动态聚类 1

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Combined biologic aerated filter and sulfur/ceramisite autotrophic denitrification for advanced wastewater

Tian WAN,Guangming ZHANG,Fengwei DU,Junguo HE,Pan WU

《环境科学与工程前沿（英文）》 2014年 第8卷 第6期   页码 967-972 doi: 10.1007/s11783-014-0690-9

摘要： An innovative advanced wastewater treatment process combining biologic aerated filter (BAF) and sulfur/ceramisite-based autotrophic denitrification (SCAD) for reliable removal of nitrogen was proposed in this paper. In SCAD reactor, ceramisite was used as filter and Ca(HCO ) was used for supplying alkalinity and carbon source. The BAF-SCAD was used to treat the secondary treatment effluent. The performance of this process was investigated, and the impact of temperature on nitrogen removal was studied. Results showed that the combined system was effective in nitrogen removal even at low temperatures (8 °C). Removal of total nitrogen (TN), -N, N reached above 90% at room temperature. Nitrification was affected by the temperature and nitrification at low temperature (8 °C) was a limiting factor for TN removal. However, denitrification was not impacted by the temperature and the removal of -N maintained 98% during the experimental period. The reason of effective denitrification at low temperature might be the use of easily dissolved Ca(HCO ) and high-flux ceramisite, which solved the problem of low mass transfer efficiency at low temperatures. Besides, vast surface area of sulfur with diameter of 2–6 mm enhanced the rate of microbial utilization. The removal of nitrate companied with the production of , and the average concentration of was about 240 mg·L . These findings would be beneficial for the application of this process to nitrogen removal especially in the winter and cold regions.

关键词： autotrophic denitrification     biologic aerated filter (BAF)     sulfur/ceramisite-based autotrophic denitrification (SCAD)     advanced nitrogen removal    

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Advanced nitrogen and phosphorus removal in A

Jianhua WANG, Yongzhen PENG, Yongzhi CHEN

《环境科学与工程前沿（英文）》 2011年 第5卷 第3期   页码 474-480 doi: 10.1007/s11783-011-0360-0

摘要： A laboratory-scale anaerobic-anoxic-aerobic process (A O) with a small aerobic zone and a bigger anoxic zone and biologic aerated filter (A O-BAF) system was operated to treat low carbon-to-nitrogen ratio domestic wastewater. The A O process was employed mainly for organic matter and phosphorus removal, and for denitrification. The BAF was only used for nitrification which coupled with a settling tank Compared with a conventional A O process, the suspended activated sludge in this A O-BAF process contained small quantities of nitrifier, but nitrification overwhelmingly conducted in BAF. So the system successfully avoided the contradiction in sludge retention time (SRT) between nitrifying bacteria and phosphorus accumulating organisms (PAOs). Denitrifying phosphorus accumulating organisms (DPAOs) played an important role in removing up to 91% of phosphorus along with nitrogen, which indicated that the suspended activated sludge process presented a good denitrifying phosphorus removal performance. The average removal efficiency of chemical oxygen demand (COD), total nitrogen (TN), total phosphorus (TP), and were 85.56%, 92.07%, 81.24% and 98.7% respectively. The effluent quality consistently satisfied the national first level A effluent discharge standard of China. The average sludge volume index (SVI) was 85.4 mL·g additionally, the volume ratio of anaerobic, anoxic and aerobic zone in A O process was also investigated, and the results demonstrated that the optimum value was 1∶6∶2.

关键词： Anoxic zone and biologic aerated filter (A2O-BAF) system     domestic wastewater with low carbon-to-nitrogen ratio     advanced nitrogen and phosphorus removal     denitrifying phosphorus removal    

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Influence of influent on anaerobic ammonium oxidation in an Expanded Granular Sludge Bed-Biological AeratedFilter integrated system

Daijun ZHANG, Cui BAI, Ting TANG, Qing YANG

《环境科学与工程前沿（英文）》 2011年 第5卷 第2期   页码 291-297 doi: 10.1007/s11783-010-0270-6

摘要： Shortcut nitrification-denitrification, anaerobic ammonium oxidation (ANAMMOX), and methanogenesis have been successfully coupled in an Expanded Granular Sludge Bed-Biological Aerated Filter (EGSB-BAF) integrated system. As fed different synthetic wastewater with chemical oxygen demand (COD) of 300–1200 mg·L and of 30–120 mg·L at the outer recycle ratio of 200%, the influence of influent on ANAMMOX in the integrated system was investigated in this paper. The experimental results showed that higher COD concentration caused an increase in denitrification and methanogenesis but a decrease in ANAMMOX; however, when an influent with the low concentration of COD was used, the opposite changes could be observed. Higher influent concentration favored ANAMMOX when the COD concentration of influent was fixed. Therefore, low ratio would decrease competition for nitrite between ANAMMOX and denitrification, which was favorable for reducing the negative effect of organic COD on ANAMMOX. The good performance of the integrated system indicated that the bacterial community of denitrification, ANAMMOX, and methanogenesis could be dynamically maintained in the sludge of EGSB reactor for a certain range of influent.

关键词： Expanded Granular Sludge Bed-Biological Aerated Filter (EGSB-BAF) integrated system     the influence of influent     anaerobic ammonium oxidation (ANAMMOX)     shortcut nitrification-denitrification     methano-genesis    

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Isolation and application of an ibuprofen-degrading bacterium to a biological aerated filter for the

Bingjie Xu, Gang Xue, Xing Yang

《环境科学与工程前沿（英文）》 2018年 第12卷 第5期 doi: 10.1007/s11783-018-1080-5

摘要：

• An ibuprofen-degrading strain, Serratia marcescens BL1, was isolated and identified.

• The effects of various factors on ibuprofen degradation by BL1 were evaluated.

• Strain BL1 was applied to a laboratory-scale biological aerated filter system.

• Strain BL1 was stable in both static tests and in the biological aerated filter system.

关键词： Ibuprofen     Biological aerated filter     Degrading bacterium     Serratia marcescens    

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Impact of dissolved oxygen on the production of nitrous oxide in biological aerated filters

Qiang He, Yinying Zhu, Guo Li, Leilei Fan, Hainan Ai, Xiaoliu Huangfu, Hong Li

《环境科学与工程前沿（英文）》 2017年 第11卷 第6期 doi: 10.1007/s11783-017-0964-0

摘要： Polymerase chain reaction-denaturing gradient gel electrophoresis (PCR-DGGE) and microelectrode technology were employed to evaluate the Nitrous oxide (N O) production in biological aerated filters (BAFs) under varied dissolved oxygen (DO) concentrations during treating wastewater under laboratory scale. The average yield of gasous N O showed more than 4-fold increase when the DO levels were reduced from 6.0 to 2.0 mg·L , indicating that low DO may drive N O generation. PCR-DGGE results revealed that were dominant and may be responsible for N O emission from the BAFs system. While at a low DO concentration (2.0 mg·L ), might play a role. When DO concentration was the limiting factor (reduced from 6.0 to 2.0 mg·L ) for nitrification, it reduced NO -N oxidation as well as the total nitrification. The data from this study contribute to explain how N O production changes in response to DO concentration, and may be helpful for reduction of N O through regulation of DO levels.

关键词： Nitrous oxide     Biological aerated filter     Microelectrode     Dissolved oxygen     Biofilm    

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Comparison and modeling of two biofilm processes applied to decentralized wastewater treatment

Guanglei QIU, Yonghui SONG, Peng YUAN, Liancheng XIANG, Jianfeng PENG, Ping ZENG,

《环境科学与工程前沿（英文）》 2009年 第3卷 第4期   页码 412-420 doi: 10.1007/s11783-009-0141-1

摘要： In order to control water pollution in the rapidly urbanizing South China area, biological contact oxidation (BCO) process and biological aerated filter (BAF) process were applied in a pilot-scale experiment for decentralized wastewater treatment. An investigation to find the optimal parameters of the two biofilm systems was conducted on hydraulic loading, organic loading, and aeration rate. The results indicated that the water reuse criteria required a maximum hydraulic and organic loading of 30.0 m/(m·d) and 4.0 kg COD/(m·d), respectively, as well as a minimum effluent DO of 4.0 mg/L. The utilization of a new media allowed BAF to perform better than BCO. The kinetic description of the COD removal process for BAF and BCO are Yang ZHANG,Zifu LI,Ibrahim B MAHMOOD. [J]. Front. Environ. Sci. Eng., 2014, 8(6): 825-834.Daijun ZHANG, Cui BAI, Ting TANG, Qing YANG. [J]. Front Envir Sci Eng Chin, 2011, 5(2): 291-297.Deming ZHAO, Jie CHENG, Michael R. HOFFMANN. [J]. Front Envir Sci Eng Chin, 2011, 5(1): 57-64.Bo WANG, Wei WAN, Jianlong WANG, . [J]. Front.Environ.Sci.Eng., 2009, 3(4): 380-386. Junxiong LIN , Lan WANG , . [J]. Front.Environ.Sci.Eng., 2009, 3(3): 320-324.Lu LI, Shuguang XIE, Hui ZHANG, Donghui WEN. [J]. Front Envir Sci Eng Chin, 2009, 3(1): 38-47.

关键词： biological contact oxidation     biological aerated filter     decentralized wastewater treatment     kinetic model    

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Advantages of intermittently aerated SBR over conventional SBR on nitrogen removal for the treatment

Xiaoyan Song, Rui Liu, Lujun Chen, Baogang Dong, Tomoki Kawagishi

《环境科学与工程前沿（英文）》 2017年 第11卷 第3期 doi: 10.1007/s11783-017-0941-7

摘要： An intermittently aerated sequencing batch reactor (IASBR) and a traditional sequencing batch reactor (SBR) were parallelly constructed to treat digested piggery wastewater, which was in high NH -N concentration but in a low COD/TN ratio. Their pollutant removal performance was compared under COD/TN ratios of 1.6–3.4 d and hydraulic retention times of 5–3 d. The results showed that the IASBR removed TN, NH -N and TOC more efficiently than the SBR. The average removal rates of TN, NH -N and TOC were 83.1%, 96.5%, and 89.0%, respectively, in the IASBR, significantly higher than the corresponding values of 74.8%, 82.0%, and 86.2% in the SBR. Mass balance of organic carbon revealed that the higher TN removal in the IASBR might be attributed to its efficient utilization of the organic carbon for denitrification, since that 48.7%–52.2% of COD was used for denitrification in the IASBR, higher than the corresponding proportion of 43.1%–47.4% in the SBR. A pre-anoxic process in the IASBR would enhance the ammonium oxidation while restrict the nitrite oxidation. Anoxic duration of 40–80 min should be beneficial for achieving stable nitritation.

关键词： Anoxic stress     Carbon source     Digested piggery wastewater     Intermittently aerated SBR (IASBR)     Total nitrogen    

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Nitrogen removal performance of municipal reverse osmosis concentrate with low C/N ratio by membrane-aerated

Xiao Quan, Kai Huang, Mei Li, Meichao Lan, Baoan Li

《环境科学与工程前沿（英文）》 2018年 第12卷 第6期 doi: 10.1007/s11783-018-1047-6

摘要：

MABR exhibits excellent TN removal performance for treating ROC with low C/N ratio.

Operating conditions should be properly controlled to achieve optimal TN removal.

Denitrifying bacteria and NOB are proved notably inhibited by high salinity stress.

The TN removal rate remains over 70% when the NaCl addition amount is below 20 g/L.

关键词： Membrane-aerated biofilm reactor (MABR)     Salinity     Total nitrogen     Reverse osmosis concentrate    

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Role of biologic components in a novel floating-bed combining

Hailiang SONG, Xianning LI, Wei LI, Xiwu LU

《环境科学与工程前沿（英文）》 2014年 第8卷 第2期   页码 215-225 doi: 10.1007/s11783-013-0587-z

摘要： A novel floating-bed incorporated with water spinach ( ), Asiatic clam ( ), and carrier media supported biofilm was developed for eutrophic water purification. The contributions of each biologic component to the removals of total nitrogen (TN), total phosphorus (TP) and Chl.a were examined. The nutrient removals due to the direct uptake by either water spinach or Asiatic clam were less than 10%, suggesting a negligible role of biologic assimilation and leaving the biofilm as the indispensable biologic component in the floating-bed. Chl.a was reduced mainly by Asiatic clams via filter-feeding. Meanwhile, the digestion and excretion of Asiatic clams benefited the proliferation of nitrifying and denitrifying bacteria, resulting in the improvement of TN removal. In summary, the synergetic effects of water spinach, Asiatic clams and biofilms would promote the eutrophic water treatment performance of floating-bed in comparison with the conventional floating-bed with vegetation as the single biologic component.

关键词： floating-bed     Corbicula fluminea     biofilm carrier     eutrophication    

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曝气生物滤池处理工业综合废水提标改造技术研究

林齐,宋永会,李冬,张杰

《中国工程科学》 2013年 第15卷 第3期   页码 95-102

摘要：

针对曝气生物滤池工艺不具备脱氮除磷功能，特别是在处理工业综合废水时出水不能稳定达标排放的问题，提出了“化学除磷+气浮除油+水解酸化+前置反硝化曝气生物滤池”的全流程处理工艺，并通过中试研究对处理流程以及各个处理单元运行参数进行了优化，在水解酸化2.0 h，投加混凝剂硫化铁量为40.0 mg/L，气浮溶气压力3.5 kg/cm2，AO池125 %回流比，水力停留时间为20.0 min的条件下，其出水达到国家一级A排放标准的要求。并对升级改造的建设和运行费用进行了核算，为同类污水处理厂的升级改造工程提供理论依据和数据支持。

关键词： 工业综合废水     污水处理厂     曝气生物滤池     升级改造    

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Current molecular biologic techniques for characterizing environmental microbial community

Dawen GAO, Yu TAO

《环境科学与工程前沿（英文）》 2012年 第6卷 第1期   页码 82-97 doi: 10.1007/s11783-011-0306-6

摘要： Microbes are vital to the earth because of their enormous numbers and instinct function maintaining the natural balance. Since the microbiology was applied in environmental science and engineering more than a century ago, researchers desire for more and more information concerning the microbial spatio-temporal variations in almost every fields from contaminated soil to wastewater treatment plant (WWTP). For the past 30 years, molecular biologic techniques explored for environmental microbial community (EMC) have spanned a broad range of approaches to facilitate the researches with the assistance of computer science: faster, more accurate and more sensitive. In this feature article, we outlined several current and emerging molecular biologic techniques applied in detection of EMC, and presented and assessed in detail the application of three promising tools.

关键词： molecular biological technique     microbial community     denaturing gradient gel electrophoresis (DGGE)     terminal restriction fragment length polymorphism (T-RFLP)     environmental applications    

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Research on polyhydroxyalkanoates and glycogen transformations: Key aspects to biologic nitrogen and

Hongjing LI, Yinguang CHEN

《环境科学与工程前沿（英文）》 2011年 第5卷 第2期   页码 283-290 doi: 10.1007/s11783-010-0243-9

摘要： In this paper, a study was conducted on the effect of polyhydroxyalkanoates (PHA) and glycogen transformations on biologic nitrogen and phosphorus removal in low dissolved oxygen (DO) systems. Two laboratory-scale sequencing batch reactors (SBR1 and SBR2) were operating with anaerobic/aerobic (low DO, 0.15–0.45 mg·L ) configurations, which cultured a propionic to acetic acid ratio (molar carbon ratio) of 1.0 and 2.0, respectively. Fewer poly-3-hydroxybutyrate (PHB), total PHA, and glycogen transformations were observed with the increase of propionic/acetic acid, along with more poly-3-hydroxyvalerate (PHV) and poly-3-hydroxy-2-methyvalerate (PH2MV) shifts. The total nitrogen (TN) removal efficiency was 68% and 82% in SBR1 and SBR2, respectively. In the two SBRs, the soluble ortho-phosphate (SOP) removal efficiency was 94% and 99%, and the average sludge polyphosphate (poly-P) content (g·g-MLVSS ) was 8.3% and 10.2%, respectively. Thus, the propionic to acetic acid ratio of the influent greatly influenced the PHA form and quantity, glycogen transformation, and poly-P contained in activated sludge and further determined TN and SOP removal efficiency. Moreover, significant correlations between the SOP removal rate and the (PHV+ PH2MV)/PHA ratio were observed ( >0.99). Accordingly, PHA and glycogen transformations should be taken into account as key components for optimizing anaerobic/aerobic (low DO) biologic nitrogen and phosphorus removal systems.

关键词： low dissolved oxygen (DO)     biological nitrogen and phosphorus removal     polyhydroxyalkanoates (PHA)     glycogen    

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Effect of pH on biologic degradation of

Hongjing LI, Mengli HAO, Jingxian LIU, Chen CHEN, Zhengqiu FAN, Xiangrong WANG

《环境科学与工程前沿（英文）》 2012年 第6卷 第2期   页码 224-230 doi: 10.1007/s11783-011-0314-6

摘要： In this paper, the effect of pH on biological degradation of by alga-lysing bacteria in laboratory-scale sequencing batch biofilm reactors (SBBRs) was investigated. After 10 d filming with waste activated sludge, the biological film could be formed, and the bioreactors in which laid polyolefin resin filler were used to treat algal culture. By comparing the removal efficiency of chlorophyll at different aerobic time, the optimum time was determined as 5 h. Under pH 6.5, 7.5, and 8.5 conditions, the removal rates of were respectively 75.9%, 83.6%, and 78.3% (in term of chlorophyll ), and that of Chemical Oxygen Demand (COD ) were 30.6%, 35.8%, and 33.5%. While the removal efficiencies of ammonia nitrogen ( ) were all 100%. It was observed that the sequence of the removal efficiencies of algae, and organic matter were pH 7.5>pH 8.5>pH 6.5. The results showed that the dominant alga-lysing bacteria in the SBBRs was strain HM-01, which was identified as sp. by Polymerase Chain Reaction (PCR) amplification of the 16S rRNA gene, Basic Local Alignment Search Tool (BLAST) analysis, and comparison with sequences in the GenBank nucleotide database. The algicidal activated substance which HM-01 strain excreted could withstand high temperature and pressure, also had better hydrophily and stronger polarity.

关键词： pH     biological degradation     alga-lysing bacteria     sequencing batch biofilm reactor (SBBR)     16S rRNA     Bacillus sp    

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Development of pretreatment protocol for DNA extraction from biofilm attached to biologic activated carbon

Shuting ZHANG, Bo WEI, Xin YU, Bing LIU, Zhuoying WU, Li GU

《环境科学与工程前沿（英文）》 2010年 第4卷 第4期   页码 459-465 doi: 10.1007/s11783-010-0249-3

摘要： The biologic activated carbon (BAC) process is widely used in drinking water treatments. A comprehensive molecular analysis of the microbial community structure provides very helpful data to improve the reactor performance. However, the bottleneck of deoxyribonucleic acid (DNA) extraction from BAC attached biofilm has to be solved since the conventional procedure was unsuccessful due to firm biomass attachment and adsorption capacity of the BAC granules. In this study, five pretreatments were compared, and adding skim milk followed by ultrasonic vibration was proven to be the optimal choice. This protocol was further tested using the vertical BAC samples from the full-scale biofilter of Pinghu Water Plant. The results showed the DNA yielded a range of 40 μg·g BAC (dry weight) to over 100 μg·g BAC (dry weight), which were consistent with the biomass distribution. All results suggested that the final protocol could produce qualified genomic DNA as a template from the BAC filter for downstream molecular biology researches.

关键词： bacterial DNA extraction     biological activated carbon (BAC)     biofilm     water treatment     pretreatment protocol    

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Implicit Heaviside filter with high continuity based on suitably graded THB splines

《机械工程前沿（英文）》 2022年 第17卷 第1期   页码 14-14 doi: 10.1007/s11465-021-0670-2

摘要： The variable density topology optimization (TO) method has been applied to various engineering fields because it can effectively and efficiently generate the conceptual design for engineering structures. However, it suffers from the problem of low continuity resulting from the discreteness of both design variables and explicit Heaviside filter. In this paper, an implicit Heaviside filter with high continuity is introduced to generate black and white designs for TO where the design space is parameterized by suitably graded truncated hierarchical B-splines (THB). In this approach, the fixed analysis mesh of isogeometric analysis is decoupled from the design mesh, whose adaptivity is implemented by truncated hierarchical B-spline subjected to an admissible requirement. Through the intrinsic local support and high continuity of THB basis, an implicit adaptively adjusted Heaviside filter is obtained to remove the checkboard patterns and generate black and white designs. Threefold advantages are attained in the proposed filter: a) The connection between analysis mesh and adaptive design mesh is easily established compared with the traditional adaptive TO method using nodal density; b) the efficiency in updating design variables is remarkably improved than the traditional implicit sensitivity filter based on B-splines under successive global refinement; and c) the generated black and white designs are preliminarily compatible with current commercial computer aided design system. Several numerical examples are used to verify the effectiveness of the proposed implicit Heaviside filter in compliance and compliant mechanism as well as heat conduction TO problems.

关键词： topology optimization     truncated hierarchical B-spline     isogeometric analysis     black and white designs     Heaviside filter    

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标题 作者 时间 类型 操作

Combined biologic aerated filter and sulfur/ceramisite autotrophic denitrification for advanced wastewater

Tian WAN,Guangming ZHANG,Fengwei DU,Junguo HE,Pan WU

期刊论文

Advanced nitrogen and phosphorus removal in A

Jianhua WANG, Yongzhen PENG, Yongzhi CHEN

期刊论文

Influence of influent on anaerobic ammonium oxidation in an Expanded Granular Sludge Bed-Biological AeratedFilter integrated system

Daijun ZHANG, Cui BAI, Ting TANG, Qing YANG

期刊论文

Isolation and application of an ibuprofen-degrading bacterium to a biological aerated filter for the

Bingjie Xu, Gang Xue, Xing Yang

期刊论文

Impact of dissolved oxygen on the production of nitrous oxide in biological aerated filters

Qiang He, Yinying Zhu, Guo Li, Leilei Fan, Hainan Ai, Xiaoliu Huangfu, Hong Li

期刊论文

Comparison and modeling of two biofilm processes applied to decentralized wastewater treatment

Guanglei QIU, Yonghui SONG, Peng YUAN, Liancheng XIANG, Jianfeng PENG, Ping ZENG,

期刊论文

Advantages of intermittently aerated SBR over conventional SBR on nitrogen removal for the treatment

Xiaoyan Song, Rui Liu, Lujun Chen, Baogang Dong, Tomoki Kawagishi

期刊论文

Nitrogen removal performance of municipal reverse osmosis concentrate with low C/N ratio by membrane-aerated

Xiao Quan, Kai Huang, Mei Li, Meichao Lan, Baoan Li

期刊论文

Role of biologic components in a novel floating-bed combining

Hailiang SONG, Xianning LI, Wei LI, Xiwu LU

期刊论文

曝气生物滤池处理工业综合废水提标改造技术研究

林齐,宋永会,李冬,张杰

期刊论文

Current molecular biologic techniques for characterizing environmental microbial community

Dawen GAO, Yu TAO

期刊论文

Research on polyhydroxyalkanoates and glycogen transformations: Key aspects to biologic nitrogen and

Hongjing LI, Yinguang CHEN

期刊论文

Effect of pH on biologic degradation of

Hongjing LI, Mengli HAO, Jingxian LIU, Chen CHEN, Zhengqiu FAN, Xiangrong WANG

期刊论文

Development of pretreatment protocol for DNA extraction from biofilm attached to biologic activated carbon

Shuting ZHANG, Bo WEI, Xin YU, Bing LIU, Zhuoying WU, Li GU

期刊论文

Implicit Heaviside filter with high continuity based on suitably graded THB splines

期刊论文