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Phosphorus release potential and pollution characteristics of sediment in downstream Nansi Lake, China

Zhijian LI, Qinyan YUE, Baoyu GAO, Yanwen WANG, Qing LIU

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 2,   Pages 162-170 doi: 10.1007/s11783-011-0313-7

Abstract: The research aimed to evaluate present and potential phosphorous pollution due to high sedimentary phosphorusload and release from sediment, when external phosphorus was reduced in downstream Nansi Lake.phosphate concentration (EPC ) and release potential.The sediments at site S1, S3, S4, S5, and S7 where the EPC s were greater than the SRPs, had a potentialto release phosphorus into the water column.

Keywords： Nansi Lake     sediment     phosphorus     release potential     equilibrium phosphate concentration    

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Nanostructured hollow spheres of hydroxyapatite: preparation and potential application in drug delivery

Xiaojing ZHANG, Weixin ZHANG, Zeheng YANG, Zhao ZHANG

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 3,   Pages 246-252 doi: 10.1007/s11705-012-1299-9

Abstract: The nanostructured HA samples showed a slow and sustained release of IBU.The HA hollow spheres exhibited a higher drug loading capacity and more favorable release propertiesthan the HA solid spheres and thus are very promising for controlled drug release applications.

Keywords： hydroxyapatite     hollow spheres     synthesis     drug release    

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Design of nanocarriers for efficient cellular uptake and endosomal release of small molecule and nucleic

Vaibhav Mundra, Ram I. Mahato

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 4,   Pages 387-404 doi: 10.1007/s11705-014-1457-3

Abstract: Viruses exploit intracellular cues to release the genome to cytosol.

Keywords： nanocarrier     cellular uptake     endosomal release     nucleic acid drug    

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Study on the NOx release rule along the boiler during pulverized coal combustion

JIN Jing, ZHANG Zhongxiao, LI Ruiyang

Frontiers in Energy 2007, Volume 1, Issue 1,   Pages 91-95 doi: 10.1007/s11708-007-0009-7

Abstract: Numerical simulation and experimental study on NO release along the boiler during pulverized coal combustionWith the increase of temperature the NO emission increased and the peak value of NO release moved forwardThe peak value of NO release moved backwards with the increase of coal rank.
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Biochar-compost-based controlled-release nitrogen fertilizer intended for an active microbial community RESEARCH ARTICLE

Frontiers of Agricultural Science and Engineering 2024, Volume 11, Issue 2,   Pages 326-343 doi: 10.15302/J-FASE-2024571

Abstract: Controlled-release nitrogen fertilizers (CRNFs) can control the release of N nutrients to NUE in cropThis research aims to develop a novel biochar-compost-based controlled-release urea fertilizer (BCRUFThe releasing time of two types of BCRUFs, coated and uncoated with PLA, for 80% of N release in waterThe releasing time of coated BCRUF for 80% N release in soil was up to 192 h (8 days).Fourier-transform infrared spectroscopy (FTIR) analysis revealed that no new functional groups were found in the release

Keywords： Soil microbial community     biochar     compost     controlled-release nitrogen fertilizer     polylactic acid    

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Synthesis and characterization of biocompatible polyurethanes for controlled release of hydrophobic and

Juichen YANG,Hong CHEN,Yuan YUAN,Debanjan SARKAR,Jie ZHENG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 4,   Pages 498-510 doi: 10.1007/s11705-014-1451-9

Abstract: Design of biocompatible and biodegradable polymer systems for sustained and controlled release of bioactiveHere, we designed, synthesized, and characterized four polyurethane carrier systems for controlled releaseBy tuning polyurethane segments, different release profiles of hydrophobic and hydrophilic drugs wereSuch difference in release profiles was attributed to a complex interplay among structure, hydrophobicityan important role of segmental structure of the polyurethane as an engineering tool to control drug release

Keywords： phase structure     degradation     polyurethanes     controlled release     drug delivery    

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Semi-solid materials for controlled release drug formulation: current status and future prospects

Michelle TRAN,Chun WANG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 2,   Pages 225-232 doi: 10.1007/s11705-014-1429-7

Abstract: Here we review several common semi-solid polymers currently used in the controlled release formulations

Keywords： controlled release     drug delivery     semi-solids     polymer     excipient    

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functional supramolecular nanoparticles based on pillar[5]arene for controlled generation, storage and release

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 3,   Pages 307-313 doi: 10.1007/s11705-022-2216-5

Abstract: The storage and controlled release of singlet oxygen (1O2) have attracted increasinghydroxyphenyl)porphyrin (TPP), that may provide the controlled generation, storage and releaseinto one functional system, which provides a new strategy for the controlled generation, storage and releaseWe believe this groundbreaking strategy will have a great potential in providing necessary amounts of

Keywords： storage and controlled release of singlet oxygen     supramolecular nanoparticles     noncovalent interactions    

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Controlled drug release of 5-amino salicylic acid by poly(2-hydroxyethylmethacrylate) grafted agar

G. Usha RANI,Kartick Prasad DEY,Srijita BHARTI,Sumit MISHRA

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 4,   Pages 465-470 doi: 10.1007/s11705-014-1452-8

Abstract: utilization of poly (2-hydroxyethylmethacrylate) grafted agar (Ag-g-P(HEMA)) as a matrix for the controlled releasedrug release studies were performed at pH values of 2 and 7 in order to investigate the possibility ofpH triggered release for colon targeted drug delivery.it may be possible to develop a programmable drug release matrix based on grafted polysaccharide.Ag-g-P(HEMA) appears to be a useful matrix for controlled release.

Keywords： agar     controlled drug release     5-Amino salicylic acid     poly(2-hydroxyethylmethacrylate) grafted agar    

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Capacity estimation and preliminary strategy for reducing the release of dioxins in China

YU Gang, ZHANG Qing, HUANG Jun, CAI Zhenxiao, SUI Qian

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 1,   Pages 13-17 doi: 10.1007/s11783-007-0002-8

Abstract: The strategy and action plan for reducing the release of dioxins in China are the most important componentssources for applying the best available technology/best environmental practice (BAT/BEP) to reduce the releaseHow about the capacity for reducing the dioxins release from the key sources?The list of key sources covering about half of the total dioxins release was determined considering fourcorresponding to the scenario that all key sources have been applied BAT/BEP to reduce the dioxins release

Keywords： GIS     difference     capacity     scenario     implementation    

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Four kinds of capping materials for controlling phosphorus and nitrogen release from contaminated sediment

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 3, doi: 10.1007/s11783-021-1463-x

Abstract:

• Lanthanum modified bentonite (LMB) can effectively absorb phosphorus (P).

Keywords： Sediment     Eutrophication     Thin-layer capping     Phosphorus     Nitrogen     Aluminum-based P-inactivation agent    

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Experimental investigations of frost release by hydrophilic surfaces

Zhongliang LIU, Lingyan HUANG, Yujun GOU, Yaomin LIU

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 475-487 doi: 10.1007/s11708-010-0114-x

Abstract: Frost formation occurs when water vapor in the surrounding air comes into contact with cold surfaces through heat and mass transfer. It is usually an undesirable phenomenon in most refrigeration and cryogenic systems. A few studies have shown that changing the surface energy, such as increasing the surface hydrophilicity or hydrophobicity, has significant effects on frost growth. In this paper, a kind of hydrophilic polymer paint is formulated to counteract frost deposition on cold surfaces. The coated surface can retard frost formation up to three hours under low plate temperatures (-15.3°C) and high air humidity (72%). To test the antifrosting performance of the hydrophilic paint under more practical conditions, it is applied to a fin-and-tube heat exchanger and a domestic refrigerator at a coating thickness of 30 μm. Comparisons of frost deposition, pressure drops, and outlet temperatures are made between uncoated and coated heat exchangers. Under conditions of high air temperature (2.2°C) and relative high air humidity (90%), the paint prolongs the defrosting interval from 80 to 137 min. Experimental observations also show that the coated hydrophilic fins are free of frost deposition during the entire course of the test and that the coating has no significant additional thermal resistance.

Keywords： frost formation     hydrophilicity     heat and mass transfer     performance    

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Effect of Fe on NO release during char combustion in air and O

Ying GU, Xiaowei LIU, Bo ZHAO, Minghou XU

Frontiers in Energy 2012, Volume 6, Issue 2,   Pages 200-206 doi: 10.1007/s11708-012-0181-2

Abstract: The chemistry of char was probed by studying nitrogen release under the reactions with air and oxy-fuelThe results also indicate that the release of NO increases more significantly with the Fe addition in

Keywords： NO     Fe     char     combustion     CO2    

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Effects of environmental factors on the production and release of matrix-bound phosphine from lake sediments

GENG Jinju, WANG Qiang, WANG Xiaorong, NIU Xiaojun

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 1,   Pages 120-124 doi: 10.1007/s11783-007-0022-4

Abstract: Effects of pH, temperature, and oxygen on the production and release of phosphine in eutrophic lake sedimentsThe rates of phosphine production and release from lake sediments varied with temperature. 20?
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Kinetic analysis of anaerobic phosphorus release during biological phosphorus removal process

DOU Junfeng, LIU Xiang, LUO Guyuan

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 2,   Pages 233-239 doi: 10.1007/s11783-007-0040-2

Abstract: variation of these polymers under different conditions has an apparent influence on anaerobic phosphorus releaseTo obtain the mechanism and kinetic character of anaerobic phosphorus release, a series of batch experimentswhile the mixed liquid suspended sludge (MLSS) and ashes were reduced during the anaerobic phosphorus releaseThe interruption of anaerobic HAc-uptake and phosphorus-release occurs when the glycogen in the phosphorus-accumulating-organismsThe calibrated kinetic parameters of the HAc-uptake and phosphorus-release model were evaluated as follows

Keywords： interruption     process     ΔρP/Δρ     Enhanced biological     Poly-β-hydroxybutyrate    

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Title Author Date Type Operation

Phosphorus release potential and pollution characteristics of sediment in downstream Nansi Lake, China

Zhijian LI, Qinyan YUE, Baoyu GAO, Yanwen WANG, Qing LIU

Journal Article

Nanostructured hollow spheres of hydroxyapatite: preparation and potential application in drug delivery

Xiaojing ZHANG, Weixin ZHANG, Zeheng YANG, Zhao ZHANG

Journal Article

Design of nanocarriers for efficient cellular uptake and endosomal release of small molecule and nucleic

Vaibhav Mundra, Ram I. Mahato

Journal Article

Study on the NOx release rule along the boiler during pulverized coal combustion

JIN Jing, ZHANG Zhongxiao, LI Ruiyang

Journal Article

Biochar-compost-based controlled-release nitrogen fertilizer intended for an active microbial community

Journal Article

Synthesis and characterization of biocompatible polyurethanes for controlled release of hydrophobic and

Juichen YANG,Hong CHEN,Yuan YUAN,Debanjan SARKAR,Jie ZHENG

Journal Article

Semi-solid materials for controlled release drug formulation: current status and future prospects

Michelle TRAN,Chun WANG

Journal Article

functional supramolecular nanoparticles based on pillar[5]arene for controlled generation, storage and release

Journal Article

Controlled drug release of 5-amino salicylic acid by poly(2-hydroxyethylmethacrylate) grafted agar

G. Usha RANI,Kartick Prasad DEY,Srijita BHARTI,Sumit MISHRA

Journal Article

Capacity estimation and preliminary strategy for reducing the release of dioxins in China

YU Gang, ZHANG Qing, HUANG Jun, CAI Zhenxiao, SUI Qian

Journal Article

Four kinds of capping materials for controlling phosphorus and nitrogen release from contaminated sediment

Journal Article

Experimental investigations of frost release by hydrophilic surfaces

Zhongliang LIU, Lingyan HUANG, Yujun GOU, Yaomin LIU

Journal Article

Effect of Fe on NO release during char combustion in air and O

Ying GU, Xiaowei LIU, Bo ZHAO, Minghou XU

Journal Article

Effects of environmental factors on the production and release of matrix-bound phosphine from lake sediments

GENG Jinju, WANG Qiang, WANG Xiaorong, NIU Xiaojun

Journal Article

Kinetic analysis of anaerobic phosphorus release during biological phosphorus removal process

DOU Junfeng, LIU Xiang, LUO Guyuan

Journal Article