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Experience and Inspiration from Construction of United States National Parks and Gateway Communities

Liu Huiliang

Strategic Study of CAE 2016, Volume 18, Issue 5,   Pages 100-108 doi: 10.15302/J-SSCAE-2016.05.014

Abstract:

This year is the one-hundredth-year anniversary of the United States National Park Service (US NPSOver the last one hundred years, the national park system of the United States had become an importantnational asset that had played a significant role in stimulating economic development and growth aspark system, as well as the issues and challenges associated with the recent significant growth of touristsThis paper uses Rocky Mountain National Park (RMNP) and the town of Estes Park, RNMP's main gateway

Keywords： US National Park Service     gateway communities     Rocky Mountain National Park     the town of Estes Park    

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Study on Development Strategies for an National Central Park in the Qinba Mountain Area

Lei Huixia and Jing Bo

Strategic Study of CAE 2016, Volume 18, Issue 5,   Pages 39-45 doi: 10.15302/J-SSCAE-2016.05.006

Abstract: historical and cultural resources, the Qinba Mountain Area is one of the most concentrated regions in nationalpreserves, forest park, and geological park.resources, as well as the lessons learned from other countries' experiences in establishing nationalparks, this paper discusses the necessity and feasibility of establishing a National Central Park inthe Qinba Mountain Area, and proposes ideas and suggestions for initiation of such a park in the region

Keywords： the Qinba Mountain Area     national park     strategic research     poverty alleviation    

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Spatial System of National Parks and Protected Areas in Qinba Mountain Area

Zhou Yuxia, Liu Hailong, Zhao Zhicong, Yang Rui

Strategic Study of CAE 2020, Volume 22, Issue 1,   Pages 86-95 doi: 10.15302/JSSCAE2020.01.009

Abstract: Mountain Area should be optimized; specifically, the spatial system of protected areas centering on nationalIt is suggested that a Funiu Mountain National Park should be built in this area and a Qinling NationalPark should be established covering the Shaanxi Province area of the existing Panda National Park.By this means, the spatial layout of four National Parks is formed in this area.

Keywords： Qinba Moutain Area     national park     protected area system     protection gap     ecological corridor    

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Thermal response of steel framing members in open car park fires

Xia YAN; Marion CHARLIER; Thomas GERNAY

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 9,   Pages 1071-1088 doi: 10.1007/s11709-022-0879-0

Abstract: For open car park structures, adopting a performance-based structural fire design is often justifiedThis paper describes a numerical study on the thermal exposure on steel framing members in open car park

Keywords： open car park     localized fire     steel frame     numerical modeling     computational fluid dynamics    

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Development of a cloud condensation nuclei (CCN) counter using a laser and charge-coupled device (CCD) camera

Mikyung PARK, Jinkwan OH, Kihong PARK

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3,   Pages 313-319 doi: 10.1007/s11783-011-0346-y

Abstract: A continuous flow streamwise thermal gradient cloud condensation nuclei (CCN) counter with an aerosol focusing and a laser-charge-coupled device (CCD) camera detector system was developed here. The counting performance of the laser-CCD camera detector system was evaluated by comparing its measured number concentrations with those measured with a condensation particle counter (CPC) using polystyrene latex (PSL) and NaCl particles of varying sizes. The CCD camera parameters (e.g. brightness, gain, gamma, and exposure time) were optimized to detect moving particles in the sensing volume and to provide the best image to count them. The CCN counter worked well in the particle number concentration range of 0.6–8000 #·cm and the minimum detectable size was found to be 0.5 μm. The supersaturation in the CCN counter with varying temperature difference was determined by using size-selected sodium chloride particles based on K?hler equation. The developed CCN counter was applied to investigate CCN activity of atmospheric ultrafine particles at 0.5% supersaturation. Data showed that CCN activity increased with increasing particle size and that the higher CCN activation for ultrafine particles occurred in the afternoon, suggesting the significant existence of hygroscopic or soluble species in photochemically-produced ultrafine particles.

Keywords： aerosol     cloud condensation nuclei (CCN) counter     ultrafine particle    

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Characterization of hidden rules linking symptoms and selection of acupoint using an artificial neural network model

Won-Mo Jung, In-Soo Park, Ye-Seul Lee, Chang-Eop Kim, Hyangsook Lee, Dae-Hyun Hahm, Hi-Joon Park, Bo-Hyoung

Frontiers of Medicine 2019, Volume 13, Issue 1,   Pages 112-120 doi: 10.1007/s11684-017-0582-z

Abstract: Comprehension of the medical diagnoses of doctors and treatment of diseases is important to understand the underlying principle in selecting appropriate acupoints. The pattern recognition process that pertains to symptoms and diseases and informs acupuncture treatment in a clinical setting was explored. A total of 232 clinical records were collected using a Charting Language program. The relationship between symptom information and selected acupoints was trained using an artificial neural network (ANN). A total of 11 hidden nodes with the highest average precision score were selected through a tenfold cross-validation. Our ANN model could predict the selected acupoints based on symptom and disease information with an average precision score of 0.865 (precision, 0.911; recall, 0.811). This model is a useful tool for diagnostic classification or pattern recognition and for the prediction and modeling of acupuncture treatment based on clinical data obtained in a real-world setting. The relationship between symptoms and selected acupoints could be systematically characterized through knowledge discovery processes, such as pattern identification.

Keywords： acupuncture     indication     neural network     pattern identification     prediction    

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Characteristics of pollutants behavior in a stormwater constructed wetland during dry days

Jianghua YU, Kisoo PARK, Youngchul KIM

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 5,   Pages 649-657 doi: 10.1007/s11783-012-0426-7

Abstract: A stormwater wetland treating non-point source pollution (NPS) from a 64 ha agricultural watershed was monitored over a period of five months. The results indicated that pH and dissolved oxygen (DO) were increased in the wetland due to the algal growth. The highest total suspended solids (TSS) concentration was observed in the aeration pond due to the resuspension of solids, decreased in the wetland. The respective decreases in total nitrogen (TN) and total kjeldahl nitrogen (TKN) were 15.9% and 28.7% on passing through the wetland. The nitrate and ammonia were increased by 45.4% and decreased by 79.9%, respectively. These variations provided strong evidence for the existence of nitrification. The total phosphorus (TP) and phosphate had respective reductions of 52.3% and 58.2% over the wetland. The total chemical oxygen demand (TCOD) and soluble chemical oxygen demand (SCOD) were also decreased. Generally, the TN, TP and phosphate removal efficiencies were positive. These positive removal efficiencies were mainly due to microbial activities, uptake by plants, and chemical precipitation at high pH. Negative removal efficiencies can be caused by continuous rainfall activities, with short antecedent dry days (ADDs) and unstable hydraulic conditions, some other biogeochemical transformations and algal growth also being important parameters.

Keywords： constructed stormwater wetland     dry days     nitrification and denitrification     pollutants characteristic    

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Drivers and barriers to engage enterprises in environmental management initiatives in Suzhou Industrial Park

Bing ZHANG, Jun BI, Beibei LIU

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 2,   Pages 210-220 doi: 10.1007/s11783-009-0014-7

Abstract: Therefore, this research takes the enterprises in Suzhou Industrial Park, China as the case study to

Keywords： small- and medium-sized enterprises (SMEs)     environmental management initiative     Suzhou industrial park    

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Cofactor engineering in cyanobacteria to overcome imbalance between NADPH and NADH: A mini review

Jongmoon Park,Yunnam Choi

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 1,   Pages 66-71 doi: 10.1007/s11705-016-1591-1

Abstract: Cyanobacteria can produce useful renewable fuels and high-value chemicals using sunlight and atmospheric carbon dioxide by photosynthesis. Genetic manipulation has increased the variety of chemicals that cyanobacteria can produce. However, their uniquely abundant NADPH-pool, in other words insufficient supply of NADH, tends to limit their production yields in case of utilizing NADH-dependent enzyme, which is quite common in heterotrophic microbes. To overcome this cofactor imbalance and enhance cyanobacterial fuel and chemical production, various approaches for cofactor engineering have been employed. In this review, we focus on three approaches: (1) utilization of NADPH-dependent enzymes, (2) increasing NADH production, and (3) changing cofactor specificity of NADH-dependent enzymes from NADH to NADPH.

Keywords： NADH-dependent enzyme     NADPH-dependent enzyme     transhydrogenase     site-directed mutagenesis     enzyme engineering    

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Green Construction of National Speed Skating Oval

Frontiers of Engineering Management 2022, Volume 9, Issue 1,   Pages 170-176 doi: 10.1007/s42524-021-0177-x

Keywords： Direct-cooling Ice Making System     dynamic high-precision construction measurement     green construction     National    

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Multimedia distribution and health risk assessment of typical organic pollutants in a retired industrial park

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 11, doi: 10.1007/s11783-023-1742-9

Abstract:

● A fine portrayal of organic pollutants in a retired industrial park

Keywords： Organic pollutants     Retired industrial park     Spatial correlation     Health risk assessment    

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Controlling various contaminants in wastewater effluent through membranes and engineered wetland

Sarper SARP, Sungyun LEE, Noeon PARK, Nguyen Thi HANH, Jaeweon CHO

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 1,   Pages 98-105 doi: 10.1007/s11783-009-0006-7

Abstract: For effective wastewater reclamation and water recovery, the treatment of natural and effluent organic matters (NOM and EfOM), toxic anions, and micropollutants was considered in this work. Two different NOM (humic acid of the Suwannee River, and NOM of US and Youngsan River, Korea), and one EfOM from the Damyang wastewater treatment plant, Korea, were selected for investigating the removal efficiencies of tight nanofiltration (NF) and ultrafiltration (UF) membranes with different properties. Nitrate, bromate, and perchlorate were selected as target toxic anions due to their well known high toxicities. Tri-(2-chloroethyl)-phosphate (TCEP), oxybenzone, and caffeine, due to their different and p values, were selected as target micropollutants. As expected, the NF membranes provided high removal efficiencies in terms of all the tested contaminants, and the UF membrane provided fairly high removal efficiencies for anions (except for nitrate) and the relatively hydrophobic micropollutant, oxybenzon

Keywords： wastewater reclamation     natural organic matter (NOM)     effluent organic matter (EfOM)     membranes     wetlands    

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Dynamic changes of protein corona compositions on the surface of zinc oxide nanoparticle in cell culture media

Vo-Van Giau, Yoon-Hee Park, Kyu-Hwan Shim, Sang-Wook Son, Seong-Soo A. An

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 1,   Pages 90-97 doi: 10.1007/s11705-018-1766-z

Abstract:

The potential applications of nanomaterials used in nanomedicine as ingredients in drug delivery systems and in other products continue to expand. When nanomaterials are introduced into physiological environments and driven by energetics, they readily associate proteins forming a protein corona (PC) on their surface. This PC could result in an alteration of the nanomaterial’s surface characteristics, affecting their interaction with cells due to conformational changes in adsorbed protein molecules. However, our current understanding of nanobiological interactions is still very limited. Utilizing a liquid chromatography–mass spectroscopy/mass spectroscopy technology and a Cytoscape plugin (ClueGO) approach, we examined the composition of the PC for a set of zinc oxide nanoparticles (ZnONP) from cell culture media typically and further analyzed the biological interaction of identified proteins, respectively. In total, 36 and 33 common proteins were investigated as being bound to ZnONP at 5 min and 60 min, respectively. These proteins were further analyzed with ClueGO, a Cytoscape plugin, which provided gene ontology and the biological interaction processes of identified proteins. Proteins bound to the surface of nanoparticles that may modify the structure, therefore the function of the adsorbed protein could be consequently affect the complicated biological processes.

Keywords： ZnONPs     nanoparticles     protein corona     ClueGO    

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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) (molecular weight of 35000 g/mol, concentration of 1 g/L). Two natural organic matters (NOM), Dongbok Lake NOM (DLNOM) and Suwannee River NOM (SRNOM) were used in the ultrafiltration experiments along with PEG. To evaluate the effects of the DM with PEG on ultrafiltration, various transport experiments were conducted, and the analyses of the NOM in the membrane feed and permeate were performed using high performance size exclusion chromatography, and the pore size distribution ( PSD) and molecular weight cut off ( MWCO) were determined. The advantages of DM formed with PEG can be summarized as follows: (1) PEG interferes with NOM transmission through the ultrafiltration membrane pores by increasing the retention coefficient of NOM in UF membranes, and (2) low removal of NOM by the DM is affected by external factors, such as pressure increases during UF membrane filtration, which decreases the PSD and MWCO of UF membranes. However, a disadvantage of the DM with PEG was severe flux decline; thus, one must be mindful of both the positive and negative influences of the DM when optimizing the UF performance of the membrane.

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

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Optimal operation of microgrid using hybrid differential evolution and harmony search algorithm

SURENDER REDDY,Jae Young PARK,Chan Mook JUNG

Frontiers in Energy 2016, Volume 10, Issue 3,   Pages 355-362 doi: 10.1007/s11708-016-0414-x

Abstract: This paper proposes the generation scheduling approach for a microgrid comprised of conventional generators, wind energy generators, solar photovoltaic (PV) systems, battery storage, and electric vehicles. The electrical vehicles (EVs) play two different roles: as load demands during charging, and as storage units to supply energy to remaining load demands in the MG when they are plugged into the microgrid (MG). Wind and solar PV powers are intermittent in nature; hence by including the battery storage and EVs, the MG becomes more stable. Here, the total cost objective is minimized considering the cost of conventional generators, wind generators, solar PV systems and EVs. The proposed optimal scheduling problem is solved using the hybrid differential evolution and harmony search (hybrid DE-HS) algorithm including the wind energy generators and solar PV system along with the battery storage and EVs. Moreover, it requires the least investment.

Keywords： battery storage     electric vehicles (EVs)     microgrid (MG)     optimal scheduling     solar photovoltaic (PV) system     wind energy conversion system    

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Title Author Date Type Operation

Experience and Inspiration from Construction of United States National Parks and Gateway Communities

Liu Huiliang

Journal Article

Study on Development Strategies for an National Central Park in the Qinba Mountain Area

Lei Huixia and Jing Bo

Journal Article

Spatial System of National Parks and Protected Areas in Qinba Mountain Area

Zhou Yuxia, Liu Hailong, Zhao Zhicong, Yang Rui

Journal Article

Thermal response of steel framing members in open car park fires

Xia YAN; Marion CHARLIER; Thomas GERNAY

Journal Article

Development of a cloud condensation nuclei (CCN) counter using a laser and charge-coupled device (CCD) camera

Mikyung PARK, Jinkwan OH, Kihong PARK

Journal Article

Characterization of hidden rules linking symptoms and selection of acupoint using an artificial neural network model

Won-Mo Jung, In-Soo Park, Ye-Seul Lee, Chang-Eop Kim, Hyangsook Lee, Dae-Hyun Hahm, Hi-Joon Park, Bo-Hyoung

Journal Article

Characteristics of pollutants behavior in a stormwater constructed wetland during dry days

Jianghua YU, Kisoo PARK, Youngchul KIM

Journal Article

Drivers and barriers to engage enterprises in environmental management initiatives in Suzhou Industrial Park

Bing ZHANG, Jun BI, Beibei LIU

Journal Article

Cofactor engineering in cyanobacteria to overcome imbalance between NADPH and NADH: A mini review

Jongmoon Park,Yunnam Choi

Journal Article

Green Construction of National Speed Skating Oval

Journal Article

Multimedia distribution and health risk assessment of typical organic pollutants in a retired industrial park

Journal Article

Controlling various contaminants in wastewater effluent through membranes and engineered wetland

Sarper SARP, Sungyun LEE, Noeon PARK, Nguyen Thi HANH, Jaeweon CHO

Journal Article

Dynamic changes of protein corona compositions on the surface of zinc oxide nanoparticle in cell culture media

Vo-Van Giau, Yoon-Hee Park, Kyu-Hwan Shim, Sang-Wook Son, Seong-Soo A. An

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

Optimal operation of microgrid using hybrid differential evolution and harmony search algorithm

SURENDER REDDY,Jae Young PARK,Chan Mook JUNG

Journal Article