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Mycobacterium vanbaalenii PYR-1 endowed with an enhanced activity of dihydroxylation of high-molecular-weight

Yiquan Wu, Ying Xu, Ningyi Zhou

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 1, doi: 10.1007/s11783-019-1193-5

Abstract: . • Both NidA3B3 and FNidA3B3 catalyze high-molecular-weight PAHs dihydroxylation. • NidA3B3 shows anNidA3B3 is a terminal dioxygenase whose favorable substrates are high-molecular-weight polyaromatic hydrocarbons

Keywords： Biodegradation     polyaromatic hydrocarbons     biotransformation     ring-hydroxylating dioxygenase system    

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Studies on culture condition of new marine bacterium sp. SY01

LAN Wenjian, MO Linfeng, LI Houjin, CAI Chuanghua, ZHOU Yipin, YAO Junhua

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 4,   Pages 443-446 doi: 10.1007/s11705-008-0065-5

Abstract: In particular, a series of high-molecular-weight compounds with high relative abundances were observed

Keywords： producer     high-molecular-weight     relative     culture     different culture    

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Characterization of soil low-molecular-weight organic acids in the Karst rocky desertification region

Xiaoliang LI, Xiaomin CHEN, Xia LIU, Lianchuan ZHOU, Xinqiang YANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 2,   Pages 195-203 doi: 10.1007/s11783-012-0391-1

Abstract: Soil low-molecular-weight (LMW) organic acids play important roles in the soil-forming process and the

Keywords： Karst rocky desertification     low-molecular-weight (LMW) organic acids     distribution characteristics     soil    

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Uncovering the effect of poly(ethylene-co-vinyl alcohol) molecular weight and vinyl alcohol content on

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1484-1502 doi: 10.1007/s11705-023-2331-y

Abstract: Interestingly, the PSF/EVOH32 membranes showed high hydrophilicity and achieved a pure water permeabilityIn addition, PSF/EVOH32 rejected bovine serum albumin at a high rate (> 90%) and achieved a significant

Keywords： polysulfone     blend modification     ultrafiltration membrane     formation hydrodynamics     poly(ethylene-co-vinyl alcohol) copolymer    

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Effects of molecular weight and concentration of carboxymethyl cellulose on morphology of hydroxyapatite

Ruiqiang LIU,Rattan LAL

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 804-812 doi: 10.1007/s11783-015-0785-y

Abstract: In this paper, two types of CMC, with respective molecular weights (MW) of ~120000 and ~240000 Dalton

Keywords： nanotechnology     nanoparticles     apatite     carboxymethyl cellulose (CMC)     particle size    

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Tetra-detector size exclusion chromatography characterization of molecular and solution properties of

Qingbin Guo,Sheng Chang

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 2, doi: 10.1007/s11783-017-0922-x

Abstract: Tetra-detector HPSEC was evaluated for the SMP characterization Molecular weight and intrinsic viscosityIn this study, the distributions of the absolute molecular weight and intrinsic viscosity of SMP polysaccharidesfrom an AnMBR were effectively determined by a high performance size exclusion chromatography (HPSECcalibration relationship for the SMP polysaccharides was developed and the molecular conformations,average molecular weights, and hydrodynamic sizes of the SMP polysaccharides were also explored.

Keywords： Soluble microbial product     Extracellular polymeric substance     Membrane bioreactor     Membrane fouling     Molecularweight     Intrinsic viscosity    

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Genetic study and molecular breeding for high phosphorus use efficiency in maize

Dongdong LI, Meng WANG, Xianyan KUANG, Wenxin LIU

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 4,   Pages 366-379 doi: 10.15302/J-FASE-2019278

Abstract: dissecting the genetic architecture of crop PUE, mining related quantitative trait loci (QTL) and using molecularbreeding methods to improve high PUE germplasm are of great significance and serve as an efficient approachIn this review, molecular and phenotypic characteristics of maize inbred lines with high PUE, relatedstrategy applying genomic selection as the core, and integrating the existing genetic information and molecularbreeding techniques is proposed for breeding high PUE maize inbred lines and hybrids.

Keywords： maize     phosphorus use efficiency     quantitative trait loci     genetic study     molecular breeding     genomic selection    

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Oil bleed from elastomeric thermal silicone conductive pads

Yuqi Chen,Yakai Feng,Jingqi Zhao,Jingbo Shen,Menghuang Feng

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 4,   Pages 509-516 doi: 10.1007/s11705-016-1586-y

Abstract: Cured resins with a high crosslinking density and a high molecular weight of vinyl silicone residues

Keywords： oil bleed     crosslinking density     molecular weight     vinyl silicones     hydrosilicones    

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Factors controlling

Chengkun WANG, Xiaojian ZHANG, Chao CHEN, Jun WANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 2,   Pages 151-157 doi: 10.1007/s11783-013-0482-7

Abstract: Tianjin was fractionated with different XAD resins and a series of ultra-filtration membranes with molecularweight (MW) cut-offs of 5k Da, 3k Da, and 1k Da, respectively.

Keywords： italic>-nitrosodimethylamine (NDMA)     disinfection by-product     dissolved organic nitrogen (DOC)     hydrophilic     molecularweight (MW)     specific ultraviolet absorbance at 254 nm (SUVA254)    

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Effects of a dynamic membrane formed with polyethylene glycol on the ultrafiltration of natural organic matter

Boksoon KWON, Noeon PARK, Jaeweon CHO,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 2,   Pages 172-182 doi: 10.1007/s11783-010-0002-y

Abstract: The formation of a dynamic membrane (DM) was investigated using polyethylene glycol (PEG) (molecularweight of 35000 g/mol, concentration of 1 g/L).were conducted, and the analyses of the NOM in the membrane feed and permeate were performed using highperformance size exclusion chromatography, and the pore size distribution ( PSD) and molecular weight

Keywords： dynamic membrane     natural organic matters     ultrafiltration membrane performance     effective PSD     effective molecularweight cutoff    

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Self-deployed execution environment for high performance computing Research Articles

Mingtian SHAO, Kai LU, Wenzhe ZHANG

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 6,   Pages 845-857 doi: 10.1631/FITEE.2100016

Abstract:

Traditional (HPC) systems provide a standard preset environment to support scientific computation. However, HPC development needs to provide support for more and more diverse applications, such as artificial intelligence and big data. The standard preset environment can no longer meet these diverse requirements. If users still run these emerging applications on HPC systems, they need to manually maintain the specific dependencies (libraries, environment variables, and so on) of their applications. This increases the development and deployment burden for users. Moreover, the multi-user mode brings about privacy problems among users. Containers like Docker and Singularity can encapsulate the job's , but in a highly customized HPC system, cross-environment application deployment of Docker and Singularity is limited. The introduction of container images also imposes a maintenance burden on system administrators. Facing the above-mentioned problems, in this paper we propose a self-deployed (SDEE) for HPC. SDEE combines the advantages of traditional virtualization and modern containers. SDEE provides an isolated and customizable environment (similar to a virtual machine) to the user. The user is the root user in this environment. The user develops and debugs the application and deploys its special dependencies in this environment. Then the user can load the job to compute nodes directly through the traditional HPC job management system. The job and its dependencies are analyzed, packaged, deployed, and executed automatically. This process enables transparent and rapid job deployment, which not only reduces the burden on users, but also protects user privacy. Experiments show that the overhead introduced by SDEE is negligible and lower than those of both Docker and Singularity.

Keywords： Execution environment     High performance computing     Light-weight     Isolation     Overlay    

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Wheat research and breeding in the new era of a high-quality reference genome

Rudi APPELS

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 3,   Pages 225-232 doi: 10.15302/J-FASE-2019265

Abstract: 2018 are reviewed and placed into the context of developments arising from the availability of the high-quality

Keywords： assembly technology     molecular markers     polyploidy     transcript networks     wheat genome    

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Solving topology optimization problems by the Guide-Weight method

Xinjun LIU, Zhidong LI, Liping WANG, Jinsong WANG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 1,   Pages 136-150 doi: 10.1007/s11465-010-0126-6

Abstract: Guide-Weight method, proposed first by Chen in 1980s, was effectively and successfully used in antennaWhen the Guide-Weight method is applied into topology optimization, it works very well with unified andThe algorithm of the Guide-Weight method and the improvement on it are described; two formulations oftopology optimization solved by the Guide-Weight method combining with SIMP method are presented; subsequently, three numerical examples are provided, and comparison of the Guide-Weight method with other methods

Keywords： Guide-Weight method     topology optimization     SIMP method    

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Enhanced dewatering characteristics of waste activated sludge with Fenton pretreatment: effectiveness and statistical optimization

Guangyin ZHEN, Xueqin LU, Baoying WANG, Youcai ZHAO, Xiaoli CHAI, Dongjie NIU, Tiantao ZHAO

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 2,   Pages 267-276 doi: 10.1007/s11783-013-0530-3

Abstract: In this work, the enhanced dewaterabing characteristics of waste activated sludge using Fenton pretreatment was investigated in terms of effectiveness and statistical optimization. Response surface method (RSM) and central composite design (CCD) were applied to evaluate and optimize the effectiveness of important operational parameters, i.e., H O concentrations, Fe concentrations and initial pH values. A significant quadratic polynomial model was obtained ( 0.9189) with capillary suction time (CST) reduction efficiency as the response. Numerical optimization based on desirability function was carried out. The optimum values for H O , Fe , and initial pH were found to be 178 mg·g VSS (volatile suspended solids), 211 mg·g VSS and 3.8, respectively, at which CST reduction efficiency of 98.25% could be achieved. This complied well with those predicted by the established polynomial model. The results indicate that Fenton pretreatment is an effective technique for advanced waste activated sludge dewatering. The enhancement of sludge dewaterability by Fenton’s reagent lies in the migration of sludge bound water due to the disintegration of sludge flocs and microbial cells lysis.

Keywords： Fenton pretreatment     response surface methodology (RSM)     capillary suction time (CST)     dewaterabilty     molecularweight distribution    

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A pseudocapacitive molecule-induced strategy to construct flexible high-performance asymmetric supercapacitors

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1208-1220 doi: 10.1007/s11705-023-2304-1

Abstract: The combination of high-voltage windows and bending stability remains a challenge for supercapacitorssodium lignosulfonate-based electrodes are successfully developed, showing perfect bending stability and highasymmetric supercapacitors provide a wide voltage window reaching 1.7 V, outstanding bending stability and high

Keywords： molecular synergy     pseudocapacitive lignosulfonate     flexible electronic devices     asymmetric supercapacitor    

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Title Author Date Type Operation

Mycobacterium vanbaalenii PYR-1 endowed with an enhanced activity of dihydroxylation of high-molecular-weight

Yiquan Wu, Ying Xu, Ningyi Zhou

Journal Article

Studies on culture condition of new marine bacterium sp. SY01

LAN Wenjian, MO Linfeng, LI Houjin, CAI Chuanghua, ZHOU Yipin, YAO Junhua

Journal Article

Characterization of soil low-molecular-weight organic acids in the Karst rocky desertification region

Xiaoliang LI, Xiaomin CHEN, Xia LIU, Lianchuan ZHOU, Xinqiang YANG

Journal Article

Uncovering the effect of poly(ethylene-co-vinyl alcohol) molecular weight and vinyl alcohol content on

Journal Article

Effects of molecular weight and concentration of carboxymethyl cellulose on morphology of hydroxyapatite

Ruiqiang LIU,Rattan LAL

Journal Article

Tetra-detector size exclusion chromatography characterization of molecular and solution properties of

Qingbin Guo,Sheng Chang

Journal Article

Genetic study and molecular breeding for high phosphorus use efficiency in maize

Dongdong LI, Meng WANG, Xianyan KUANG, Wenxin LIU

Journal Article

Oil bleed from elastomeric thermal silicone conductive pads

Yuqi Chen,Yakai Feng,Jingqi Zhao,Jingbo Shen,Menghuang Feng

Journal Article

Factors controlling

Chengkun WANG, Xiaojian ZHANG, Chao CHEN, Jun WANG

Journal Article

Effects of a dynamic membrane formed with polyethylene glycol on the ultrafiltration of natural organic matter

Boksoon KWON, Noeon PARK, Jaeweon CHO,

Journal Article

Self-deployed execution environment for high performance computing

Mingtian SHAO, Kai LU, Wenzhe ZHANG

Journal Article

Wheat research and breeding in the new era of a high-quality reference genome

Rudi APPELS

Journal Article

Solving topology optimization problems by the Guide-Weight method

Xinjun LIU, Zhidong LI, Liping WANG, Jinsong WANG

Journal Article

Enhanced dewatering characteristics of waste activated sludge with Fenton pretreatment: effectiveness and statistical optimization

Guangyin ZHEN, Xueqin LU, Baoying WANG, Youcai ZHAO, Xiaoli CHAI, Dongjie NIU, Tiantao ZHAO

Journal Article

A pseudocapacitive molecule-induced strategy to construct flexible high-performance asymmetric supercapacitors

Journal Article