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Haloacetic acids in swimming pool and spa water in the United States and China

Xiaomao WANG,Garcia Leal M I,Xiaolu ZHANG,Hongwei YANG,Yuefeng XIE

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 6,   Pages 820-824 doi: 10.1007/s11783-014-0712-7

Abstract: is to investigate the occurrence of haloacetic acids (HAAs), a group of disinfection byproducts, in swimmingpool and spa water.Results indicated that the levels of HAA5 in swimming pools and spas in the United States ranged fromThe levels of HAA5 in swimming pools in China ranged from 13 to 332 μg·L , with an arithmetic averageThe lower HAA levels in swimming pools in China were due to the lower chlorine residuals.

Keywords： chlorination     disinfection byproduct     haloacetic acid     swimming pool     trihalomethane    

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Unlocked disinfection by-product formation potential upon exposure of swimming pool water to additional

Alvyn P. Berg, Ting-An Fang, Hao L. Tang

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 1, doi: 10.1007/s11783-019-1098-3

Abstract:

• Swimming pool water was studied for DBPs upon exposure to additionallistitem>

• Urine control and air ventilation should be on the priority list for pool

Keywords： Trihalomethanes     Haloacetic acids     Chloroform     Residual chlorine     Anthropogenic organics     Swimming pool water    

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Concentration levels of disinfection by-products in 14 swimming pools of China

Xiaolu ZHANG,Hongwei YANG,Xiaofeng WANG,Yu ZHAO,Xiaomao WANG,Yuefeng XIE

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 6,   Pages 995-1003 doi: 10.1007/s11783-015-0797-7

Abstract: Swimming has become a popular exercising and recreational activity in China but little is known aboutThis study was conducted as a survey of the DBPs in China swimming pools, and to establish the correlationsbetween the DBP concentrations and the pool water quality parameters.

Keywords： disinfection by-products (DBPs)     swimming pool     correlation     total organic carbon (TOC)     chlorine residual    

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Research on swimming by undulatory long dorsal fin propulsion

WANG Guangming, SHEN Lincheng, WU Yonghui

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 1,   Pages 77-81 doi: 10.1007/s11465-007-0013-y

Abstract: The kinematics of steady forward swimming of is described.It is suggested that the undulatory long dorsal fin propulsion is an adaptation to swimming with high

Keywords： locomotive characteristic     hydromechanical     observation     propulsion     hydromechanical efficiency    

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Demand response based congestion management in a mix of pool and bilateral electricity market model

Ashwani KUMAR, Charan SEKHAR

Frontiers in Energy 2012, Volume 6, Issue 2,   Pages 164-178 doi: 10.1007/s11708-012-0187-9

Abstract: In this paper, demand response-based CM has been proposed for a mix of pool and bilateral electricity

Keywords： bid function     congestion management (CM)     demand response     pool+bilateral electricity market     static var    

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Investigation of Fire Enhancement in Pool Fire by Water Mist

Lu Qiang,Li Gai,Liao Guangxuan,Huan Gxin,Zhu Wei

Strategic Study of CAE 2006, Volume 8, Issue 7,   Pages 78-82

Abstract:

In the process of water mist fire suppression the phenomenon of fire expansion may be found initially. Experiments and theoretic study show that evaporation of mist on the surface of fuel plays a crucial role in the fire expansion. In experiments of varied conditions, it is found that volatility of fuel and characteristics of water mist determine the degree of fire intensification. It is found that water in the bottom of tray will make fuel surface temperature and fire heat release rate descend. And with increase of water quantity, fire intensification will be weakened, extinguishing time also be shortened. So further research on change of fire heat release rate owing to water pouring is necessary to ensure the reliability of experiment data.

Keywords： water mist     pool fire     azeotropic     overpressure     heat release rate    

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Predictions of Additive Manufacturing Process Parameters and Molten Pool Dimensions with a Physics-Informed Article

Mingzhi Zhao, Huiliang Wei, Yiming Mao, Changdong Zhang, Tingting Liu, Wenhe Liao

Engineering 2023, Volume 23, Issue 4,   Pages 181-195 doi: 10.1016/j.eng.2022.09.015

Abstract:

Molten pool characteristics have a significant effect on printing quality in laser powder bed fusion(PBF), and quantitative predictions of printing parameters and molten pool dimensions are critical toThus far, bidirectional predictions of printing parameters and molten pool dimensions have been challengingTo
address this issue, we integrate an experiment on molten pool characteristics, a mechanisticThe results show that bidirectional predictions of the molten pool dimensions and process parameters

Keywords： Additive manufacturing     Molten pool     Model     Deep learning     Learnability    

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An approach to locational marginal price based zonal congestion management in deregulated electricity market

Md SARWAR,Anwar Shahzad SIDDIQUI

Frontiers in Energy 2016, Volume 10, Issue 2,   Pages 240-248 doi: 10.1007/s11708-016-0404-z

Abstract: Congestion of transmission line is a vital issue and its management pose a technical challenge in power system deregulation. Congestion occurs in deregulated electricity market when transmission capacity is not sufficient to simultaneously accommodate all constraints of power transmission through a line. Therefore, to manage congestion, a locational marginal price (LMP) based zonal congestion management approach in a deregulated electricity market has been proposed in this paper. As LMP is an economic indicator and its difference between two buses across a transmission line provides the measure of the degree of congestion, therefore, it is efficiently and reliably used in deregulated electricity market for congestion management. This paper utilizes the difference of LMP across a transmission line to categorize various congestion zones in the system. After the identification of congestion zones, distributed generation is optimally placed in most congestion sensitive zones using LMP difference in order to manage congestion. The performance of the proposed methodology has been tested on the IEEE 14-bus system and IEEE 57-bus system.

Keywords： locational marginal price (LMP)     distributed generation     pool market     deregulated electricity market     congestion    

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Confinement effects in methanol to olefins catalysed by zeolites: A computational review

German Sastre

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 1,   Pages 76-89 doi: 10.1007/s11705-016-1557-3

Abstract: silicon-aluminophosphates(SAPOs) containing cavities, where olefins are mainly formed through the hydrocarbon pool

Keywords： small pore zeolites     SAPOs     methanol-to-olefins     hydrocarbon pool mechanism     alkylation of polymethylbenzenes    

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In-Vessel Melt Retention of Pressurized Water Reactors: Historical Review and Future Research Needs Review

Weimin Ma, Yidan Yuan, Bal Raj Sehgal

Engineering 2016, Volume 2, Issue 1,   Pages 103-111 doi: 10.1016/J.ENG.2016.01.019

Abstract: For in-vessel melt evolution, past focus has only been placed on the melt pool convection in the lowerin-vessel phenomena, including core degradation and relocation, debris formation, and coolability and melt poolformation, may all contribute to the final state of the melt pool and its thermal loads on the lower

Keywords： Pressurized water reactor     Severe accident     In-vessel melt retention     Debris formation     Debris remelting     Melt poolformation     Melt pool thermal-hydraulics     Critical heat flux    

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SuPoolVisor: a visual analytics system for mining pool surveillance Research

Jia-zhi XIA, Yu-hong ZHANG, Hui YE, Ying WANG, Guang JIANG, Ying ZHAO, Cong XIE, Xiao-yan KUI, Sheng-hui LIAO, Wei-ping WANG

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 4,   Pages 507-523 doi: 10.1631/FITEE.1900532

Abstract: The mining pool, which is considered the source of Bitcoin, is the cornerstone of market stability.The surveillance of the mining pool can help regulators effectively assess the overall health of BitcoinHowever, the anonymity of mining-pool miners and the difficulty of analyzing large numbers of transactionsSuPoolVisor is divided into pool level and address level.and the migration of pool members.

Keywords： Bitcoin mining pool     Visual analytics     Transaction data     Visual reasoning     FinTech    

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Review of Study of Water Mist Fire Protection Systems on Shipboard

Lu Qiang,Liao Guangxuan,Huang Xin,Wan Tianbin

Strategic Study of CAE 2004, Volume 6, Issue 9,   Pages 88-94

Abstract:

During the last decade, water mist fire protection technologies have always been the hotspot in world safty field. Being the large consumer of Halon 1301 and Halon 1211 primarily, navies of most countries in the world felt more enthusiasm about it. US Navy, Royal Navy and other navies have undertaken an extensive study of water mist for fire protection applications aboard ship, especially in machinery spaces. And the results of the testing and theoretic study conducted by them are encouraging. Their study will be summarized in this paper, the purpose of this paper is twofold： to introduce their study to the fire protection workers in China and to provide a reference to China Navy in this field.

Keywords： water mist     pool fire     spray fire    

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Experimental Studies on Fire Extinguishment Efficiency of Water Mist With Obstruction Pool Fires

Fang Yudong,Liu Jianghong,Liao Guangxuan,Lin Lin

Strategic Study of CAE 2006, Volume 8, Issue 2,   Pages 75-79

Abstract:

In fire environments，the traditional fire extinguishing agents can't effectually put out a fire which is sheltered by barrier. Now, a lot of water mist fire extinguishing researches have been made . This paper mainly studies the validity of water mist fire extinguishing and investigates the controlling and extinguishing effects of water mist fire extinguishing when barrier exists. At the same time, this paper also studies how the key factors, including opening degree between nozzle and barrier,water mist pressure, water mist flux and so on, influence the fire extinguishing validity, analyzes the water mist fire extinguishing characters when barrier exists, gives the reason why the water mist can't put out a fire in some conditions，and provides references for practical engineering application.

Keywords： water mist     barrier     kerosene fire     fire extinguishing validity    

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The new finding of Neogene marine low-resistivity light oil field in the western part of Pearl River Mouth Basin

Xie Yuhong

Strategic Study of CAE 2011, Volume 13, Issue 5,   Pages 16-22

Abstract: finding of Wenchang L low-resistivity light oil field,the finding process,reservoir characteristics and pool-formingTherefore the vertical migrating accumulating,structure-lithology-dominated, secondary pool-forming pattern

Keywords： Wenchang L low-resistivity light oil field     finding process     reservoir characteristics     pool-forming pattern    

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Title Author Date Type Operation

Haloacetic acids in swimming pool and spa water in the United States and China

Xiaomao WANG,Garcia Leal M I,Xiaolu ZHANG,Hongwei YANG,Yuefeng XIE

Journal Article

Unlocked disinfection by-product formation potential upon exposure of swimming pool water to additional

Alvyn P. Berg, Ting-An Fang, Hao L. Tang

Journal Article

Concentration levels of disinfection by-products in 14 swimming pools of China

Xiaolu ZHANG,Hongwei YANG,Xiaofeng WANG,Yu ZHAO,Xiaomao WANG,Yuefeng XIE

Journal Article

Research on swimming by undulatory long dorsal fin propulsion

WANG Guangming, SHEN Lincheng, WU Yonghui

Journal Article

Demand response based congestion management in a mix of pool and bilateral electricity market model

Ashwani KUMAR, Charan SEKHAR

Journal Article

Investigation of Fire Enhancement in Pool Fire by Water Mist

Lu Qiang,Li Gai,Liao Guangxuan,Huan Gxin,Zhu Wei

Journal Article

Predictions of Additive Manufacturing Process Parameters and Molten Pool Dimensions with a Physics-Informed

Mingzhi Zhao, Huiliang Wei, Yiming Mao, Changdong Zhang, Tingting Liu, Wenhe Liao

Journal Article

An approach to locational marginal price based zonal congestion management in deregulated electricity market

Md SARWAR,Anwar Shahzad SIDDIQUI

Journal Article

Confinement effects in methanol to olefins catalysed by zeolites: A computational review

German Sastre

Journal Article

In-Vessel Melt Retention of Pressurized Water Reactors: Historical Review and Future Research Needs

Weimin Ma, Yidan Yuan, Bal Raj Sehgal

Journal Article

SuPoolVisor: a visual analytics system for mining pool surveillance

Jia-zhi XIA, Yu-hong ZHANG, Hui YE, Ying WANG, Guang JIANG, Ying ZHAO, Cong XIE, Xiao-yan KUI, Sheng-hui LIAO, Wei-ping WANG

Journal Article

Review of Study of Water Mist Fire Protection Systems on Shipboard

Lu Qiang,Liao Guangxuan,Huang Xin,Wan Tianbin

Journal Article

Experimental Studies on Fire Extinguishment Efficiency of Water Mist With Obstruction Pool Fires

Fang Yudong,Liu Jianghong,Liao Guangxuan,Lin Lin

Journal Article

The new finding of Neogene marine low-resistivity light oil field in the western part of Pearl River Mouth Basin

Xie Yuhong

Journal Article