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Phase problems in optical imaging Review

Guo-hai SITU, Hai-chao WANG

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 9,   Pages 1277-1287 doi: 10.1631/FITEE.1700298

Abstract: Because the phase contains more information about the fieldcompared to the amplitude, measurement of the phase is encounteredin many branches of modern science and engineering. Direct measurementof the phase is difficult in the visible regime of the electromagneticwave. One must employ computational techniques to calculate the phasefrom the captured intensity. In this paper, we provide a review ofour recent work on iterative phase retrieval techniques and theirapplications in optical imaging.

Keywords： Phase retrieval     Phase imaging     Computational imaging     Gerchberg-Saxton algorithm     Optical encryption     Computer-generatedhologram    

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Systematical strategies for wastewater treatment and the generated wastes and greenhouse gases in China

Jingbo GUO, Fang MA, Yuanyuan QU, Ang LI, Liang WANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 2,   Pages 271-279 doi: 10.1007/s11783-011-0328-0

Abstract: problems should be systematically resolved with inclusion of wastewater and the solid waste and GHGs generated

Keywords： wastewater treatment     solid waste     greenhouse gases     systematical strategies    

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Utilization of aluminum hydroxide waste generated in fluoride adsorption and coagulation processes for

Jiawei JU,Ruiping LIU,Zan HE,Huijuan LIU,Xiwang ZHANG,Jiuhui QU

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 3,   Pages 467-476 doi: 10.1007/s11783-015-0809-7

Abstract: This study aimed to investigate the feasibility of utilizing Al(OH) -F generated in Al(OH) adsorptionThis study demonstrates that the Al(OH) solid wastes generated in fluoride removal process could be

Keywords： Al(OH)3     fluoride     cadmium     adsorption     reclamation     sequential extraction    

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polyethylene glycol on the crystallization, rheology and foamability of poly(lactic acid) containing generated

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2074-2087 doi: 10.1007/s11705-023-2342-8

Abstract: In this study, the rheological properties, crystallization and foaming behavior of poly(lactic acid) with polyamide 6 nanofibrils were examined with polyethylene glycol as a compatibilizer. Polyamide 6 particles were deformed into nanofibrils during drawing. For the 10% polyamide 6 case, polyethylene glycol addition reduced the polyamide 6 fibril diameter from 365.53 to 254.63 nm, owing to the smaller polyamide 6 particle size and enhanced interface adhesion. Rheological experiments revealed that the viscosity and storage modulus of the composites were increased, which was associated with the three-dimensional entangled network of polyamide 6 nanofibrils. The presence of higher aspect ratio polyamide 6 nanofibrils substantially enhanced the melt strength of the composites. The isothermal crystallization kinetics results suggested that the polyamide 6 nanofibrils and polyethylene glycol had a synergistic effect on accelerating poly(lactic acid) crystallization. With the polyethylene glycol, the crystallization half-time reduced from 103.6 to 62.2 s. Batch foaming results indicated that owing to higher cell nucleation efficiency, the existence of polyamide 6 nanofibrils led to a higher cell density and lower expansion ratio. Furthermore, the poly(lactic acid)/polyamide 6 foams exhibited a higher cell density and expansion ratio than that of the foams without polyethylene glycol.

Keywords： poly(lactic acid)     foaming     microfibrillation     rheological property     crystallization    

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Performance of an ANAMMOX reactor treating wastewater generated by antibiotic and starch production processes

Hong YAO, Hao LIU, Yongmiao HE, Shujun ZHANG, Peizhe SUN, Chinghua HUANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 6,   Pages 875-883 doi: 10.1007/s11783-012-0459-y

Abstract: A pilot-scale anaerobic ammonia oxidation (ANAMMOX) reactor was used to treat mixed wastewater resulting from a chlortetracycline and starch production process. The results, collected over the course of 272 days, show that the ratio of influent ammonium to nitrite, pH, and temperature can all affect the efficiency of nitrogen removal. The ratio of influent ammonium to nitrite was maintained at about 1:1 at a concentration below 200 mg·L for both influent ammonium and nitrite. The total nitrogen (TN) loading rate was 0.15–0.30 kgN·m ·d , pH remained at 7.8–8.5, and temperature was recorded at 33±1°C. The rate of removal of ammonia, nitrite, and TN were over 90%, 90%, and 80%, and the effluent ammonium, nitrite and TN concentrations were below 50, 30, and 100 mg·L .

Keywords： anaerobic ammonia oxidation     antibiotic and starch production     ratio of ammonia to nitrite     total nitrogen    

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Liquid metal cooling in thermal management of computer chips

MA Kunquan, LIU Jing

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 384-402 doi: 10.1007/s11708-007-0057-3

Abstract: With the rapid improvement of computer performance, tremendous heat generation in the chip becomes a

Keywords： tremendous     computer performance     generation     management     improvement    

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Identification and ecotoxicity assessment of intermediates generated during the degradation of clofibric

Wenzhen LI, Yu DING, Qian SUI, Shuguang LU, Zhaofu QIU, Kuangfei LIN

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 4,   Pages 445-454 doi: 10.1007/s11783-012-0419-6

Abstract: The aim of this study was to identify the intermediates in clofibric acid degradation under various advanced oxidation processes, namely ultraviolet (UV), UV/H O , vacuum ultraviolet (VUV), VUV/H O , and solar/TiO processes, as well as to assess the toxicity of these intermediates. Eleven intermediates have been detected by gas chromatography-mass spectrometer, most of which were reported for the first time to our best knowledge. Combining the evolution of the dissolved organic carbon, Cl and specific ultraviolet absorption at 254 nm, it could be deduced that cleavage of aromatic ring followed by dechlorination was the mechanism in solar/TiO process, while dechlorination happened first and accumulation of aromatic intermediates occurred in the other processes. Different transformation pathways were proposed for UV-, VUV-assisted and solar/TiO processes, respectively. The acute toxicity was evaluated by means of T spp. bioassay. It was believed that aromatic intermediates increased the toxicity and the ring-opening pathway in solar/TiO process could relieve the toxicity.

Keywords： clofibric acid     advanced oxidation processes     intermediates     toxicity     Photobacterium phosphoreum T3 spp.    

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Man-Computer Cooperative Intelligent Science and Intelligent Technology

Dai Ruwei

Strategic Study of CAE 2004, Volume 6, Issue 5,   Pages 24-28

Abstract: project of Japan, and another one wasintelligent computer project (863 — 306) of China.The academician Qian Xuesen has made a speech to summarize the importance of man - computer cooperativeinformation processing, and the aim was not intelligent computer.We should study and develop the man-computer cooperative intelligent systems.In addition the citation for development of man-computer cooperative intelligent systems in recent years

Keywords： intelligent computer     man-computer cooperation     metasynthesis     hall for workshop of hetasynthetic engineering    

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Review of research and development of computer-aided Kansei Engineering

Li LIN, Chengqi XUE

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 2,   Pages 125-128 doi: 10.1007/s11465-009-0023-z

Abstract: The working process and the key technology of computer-aided Kansei Engineering systems are discussedFinally, the development trend of Kansei Engineering is outlined according to the development of computer

Keywords： Kansei words     design elements     system     database    

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Evaluation of computer vision techniques for automated hardhat detection in indoor construction safety

Bahaa Eddine MNEYMNEH, Mohamad ABBAS, Hiam KHOURY

Frontiers of Engineering Management 2018, Volume 5, Issue 2,   Pages 227-239 doi: 10.15302/J-FEM-2018071

Abstract: Using images captured from indoor jobsites, this paper evaluates existing computer vision techniques,

Keywords： construction     safety     personal protective equipment     hardhat     computer vision    

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Computer modeling of crystal growth of silicon for solar cells

Lijun LIU, Xin LIU, Zaoyang LI, Koichi KAKIMOTO

Frontiers in Energy 2011, Volume 5, Issue 3,   Pages 305-312 doi: 10.1007/s11708-011-0155-9

Abstract: A computer simulator with a global model of heat transfer during crystal growth of Si for solar cellsmodel with 3D features is especially made suitable for any crystal growth, while the requirement for computerApplications of the computer simulator to Czochralski (CZ) growth processes and directional solidificationThe findings show the importance of computer modeling as an effective tool in the analysis and improvement

Keywords： computer modeling     silicon     crystal growth     solar cells    

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Computer Simulation of High Speed Rail Traffic System

Ma Dawei

Strategic Study of CAE 2001, Volume 3, Issue 5,   Pages 72-78

Abstract: analyzed the tractive, braking and running resistant characteristics of high speed train by way of computer

Keywords： computer simulation     development     high speed train     energy    

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Design of bio-oil additives via molecular signature descriptors using a multi-stage computer-aided molecular

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 2,   Pages 168-182 doi: 10.1007/s11705-021-2056-8

Abstract: In this work, computer-aided molecular design tools were developed to design optimal solvents to upgradeDue to the combinatorial nature of higher-order signatures, the complexity of a computer-aided molecular

Keywords： computer-aided molecular design     bio-oil additives     molecular signature descriptor    

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Personalized topic modeling for recommending user-generated content Article

Wei ZHANG, Jia-yu ZHUANG, Xi YONG, Jian-kou LI, Wei CHEN, Zhe-min LI

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 5,   Pages 708-718 doi: 10.1631/FITEE.1500402

Abstract: User-generated content (UGC) such as blogs and twitters are exploding in modern Internet services.In such systems, recommender systems are needed to help people filter vast amount of UGC generated by

Keywords： User-generated content (UGC)     Collaborative filtering (CF)     Matrix factorization (MF)     Hierarchical topic    

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Answers from computer modeling

Annemie Bogaerts, Maksudbek Yusupov, Jamoliddin Razzokov, Jonas Van der Paal

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 2,   Pages 253-263 doi: 10.1007/s11705-018-1786-8

Abstract: Using computer simulations at the molecular level, we try to gain better insight in how plasma-generated

Keywords： plasma medicine     cancer treatment     computer modelling     cell membrane     reactive oxygen and nitrogen species    

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Title Author Date Type Operation

Phase problems in optical imaging

Guo-hai SITU, Hai-chao WANG

Journal Article

Systematical strategies for wastewater treatment and the generated wastes and greenhouse gases in China

Jingbo GUO, Fang MA, Yuanyuan QU, Ang LI, Liang WANG

Journal Article

Utilization of aluminum hydroxide waste generated in fluoride adsorption and coagulation processes for

Jiawei JU,Ruiping LIU,Zan HE,Huijuan LIU,Xiwang ZHANG,Jiuhui QU

Journal Article

polyethylene glycol on the crystallization, rheology and foamability of poly(lactic acid) containing generated

Journal Article

Performance of an ANAMMOX reactor treating wastewater generated by antibiotic and starch production processes

Hong YAO, Hao LIU, Yongmiao HE, Shujun ZHANG, Peizhe SUN, Chinghua HUANG

Journal Article

Liquid metal cooling in thermal management of computer chips

MA Kunquan, LIU Jing

Journal Article

Identification and ecotoxicity assessment of intermediates generated during the degradation of clofibric

Wenzhen LI, Yu DING, Qian SUI, Shuguang LU, Zhaofu QIU, Kuangfei LIN

Journal Article

Man-Computer Cooperative Intelligent Science and Intelligent Technology

Dai Ruwei

Journal Article

Review of research and development of computer-aided Kansei Engineering

Li LIN, Chengqi XUE

Journal Article

Evaluation of computer vision techniques for automated hardhat detection in indoor construction safety

Bahaa Eddine MNEYMNEH, Mohamad ABBAS, Hiam KHOURY

Journal Article

Computer modeling of crystal growth of silicon for solar cells

Lijun LIU, Xin LIU, Zaoyang LI, Koichi KAKIMOTO

Journal Article

Computer Simulation of High Speed Rail Traffic System

Ma Dawei

Journal Article

Design of bio-oil additives via molecular signature descriptors using a multi-stage computer-aided molecular

Journal Article

Personalized topic modeling for recommending user-generated content

Wei ZHANG, Jia-yu ZHUANG, Xi YONG, Jian-kou LI, Wei CHEN, Zhe-min LI

Journal Article

Answers from computer modeling

Annemie Bogaerts, Maksudbek Yusupov, Jamoliddin Razzokov, Jonas Van der Paal

Journal Article