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A modified YOLOv4 detection method for a vision-based underwater garbage cleaning robot Research Article

Manjun TIAN, Xiali LI, Shihan KONG, Licheng WU, Junzhi YU,tianmanjun2018@163.com,xiaer_li@163.com,kongshihan@pku.edu.cn,wulicheng@tsinghua.edu.cn,junzhi.yu@ia.ac.cn

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 8,   Pages 1217-1228 doi: 10.1631/FITEE.2100473

Abstract: Specifically, the YOLOv4 algorithm is chosen as a basic neural network framework to perform .With the purpose of further improvement on the detection accuracy, YOLOv4 is transformed into a four-scaleand experimental results demonstrate that both the detection speed and the accuracy of the improved YOLOv4

Keywords： Object detection     Aquatic environment     Garbage cleaning robot     Modified YOLOv4    

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Sulfidation/regeneration multicycle testing of nickel-modified ZnFe

Wei LI, Jinju GUO, Jiejie HUANG, Jiaotao ZHAO

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 435-440 doi: 10.1007/s11705-010-0506-9

Abstract: In this paper, the sulfur capacity and multiple cycles of a nickel-modified ZnFe O sorbent preparedThe results indicate that the nickel-modified ZnFe O keeps high reactivity and structural stability

Keywords： hot gas desulphurization     nickel-modified ZnFe2O4     sulfidation/regeneration    

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Regulatory issues for genetically modified animals

Perry Bradbury HACKETT

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 2,   Pages 188-203 doi: 10.15302/J-FASE-2019307

Abstract: However, governments worldwide have been exceedingly reluctant to support the introduction of genetically modified

Keywords： algorithms     editing     FDA     GMO     recombinant DNA     USDA    

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Tuned reactive power dispatch through modified differential evolution technique

S. BISWAS (RAHA), N. CHAKRABORTY

Frontiers in Energy 2012, Volume 6, Issue 2,   Pages 138-147 doi: 10.1007/s11708-012-0188-8

Abstract: This paper explores the capability of modified differential evolution (MDE) technique for solving the

Keywords： reactive power dispatch (RPD)     modified differential evolution (MDE)     differential evolution algorithm    

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Approaching the binding between Cu(II) and aerobic granules by a modified titration and µ-XRF

Hongwei LUO,Longfei WANG,Zhonghua TONG,Hanqing YU,Guoping SHENG

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 2,   Pages 362-367 doi: 10.1007/s11783-015-0803-0

Abstract: In this study, a modified titration method with a dynamic mode was developed to investigate the binding

Keywords： aerobic granules     Cu(II)     modified titration     µ-XRF analysis    

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Kinetics and thermodynamics of the phosphine adsorption on the modified activated carbon

Bingnan REN

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 2,   Pages 203-208 doi: 10.1007/s11705-010-0571-0

Abstract: The kinetics and the thermodynamics of phosphine (PH ) adsorption on the modified activated carbon have

Keywords： adsorption     PH3     activated carbon     kinetics     thermodynamics    

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Removing phosphorus from aqueous solutions by using iron-modified corn straw biochar

Fenglin LIU,Jiane ZUO,Tong CHI,Pei WANG,Bo YANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 6,   Pages 1066-1075 doi: 10.1007/s11783-015-0769-y

Abstract: Iron-modified corn straw biochar was used as an adsorbent to remove phosphorus from agricultural runoffmg·L were filtered at a hydraulic retention time of 2 h through a filtration column packed with the modifiedThe isotherms of the phosphorus adsorption by the modified biochar fitted the Freundlich equation betterThe results also showed that new iron oxides were formed on the surface of the modified biochar afterAside from removing phosphorus, adding the modified biochar into soil also improved soil productivity

Keywords： iron-modified biochar     phosphorus removal     agricultural waste     agricultural runoff    

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Immobilization of penicillin G acylase onto amino-modified silica hydrogel

Weibing Dong, Huining HE, Junbo Gong, Victor C. YANG,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 1,   Pages 87-90 doi: 10.1007/s11705-009-0298-y

Abstract: Amino-modified silica hydrogel (N-MSHG) was prepared by a simple sol-gel processing via the co-condensationThe results showed that the amino-modified gel was a mesoporous material with an average pore size of

Keywords： gravimetric     amino-modified     efficient     Amino-modified     amoxicillin    

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Phosphorous removal from wastewater by lanthanum modified Y zeolites

Weikang ZHANG, Ye TIAN

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 2,   Pages 209-215 doi: 10.1007/s11705-014-1448-4

Abstract: The adsorption capacities of Y zeolite and La (III)-modified Y zeolite were studied.A series of La(III)-modified Y zeolites with different La/Y zeolite mass ratios were characterized byThe capacity of the La (III)-modified Y zeolite to remove phosphate increased as the La/Y zeolite massratio increased and after 4 h, a phosphate removal efficiency of 95% was achieved for a La/Y zeolite

Keywords： phosphate removal     wastewater     lanthanum     impregnation     Y zeolites    

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Outdoor aging of road asphalt and SBS modified asphalt

Li XIANG, Juan TU, Jian CHENG, Guohe QUE

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 1,   Pages 35-42 doi: 10.1007/s11705-010-0551-4

Abstract: The outdoor natural ultraviolet (UV) aging of RA and SBS modified asphalt (SBSMA) are investigated in

Keywords： asphalt     SBS     modified road asphalt     outdoor aging     ultraviolet    

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Estimation of thermodynamic properties of the ternary molten salt system, LiF-NaF-BeF2, by the modified

ZHANG Dalin, QIU Suizheng, SU Guanghui, JIA Dounan

Frontiers in Energy 2007, Volume 1, Issue 2,   Pages 174-180 doi: 10.1007/s11708-007-0022-x

Abstract: over the temperature range from 873.15 to 1 073.15 K at one atmosphere pressure, is described using a modifiedIt can be concluded that the modified PR equation can be applied to evaluate the density of the molten

Keywords： modified Peng-Robinson     coolant     consistent     MSR     entropy    

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Gold modified cobalt-based Fischer-Tropsch catalysts for conversion of synthesis gas to liquid fuels

Alan J. McCue, Jura Aponaviciute, Richard P.K. Wells, James A. Anderson

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 3,   Pages 262-269 doi: 10.1007/s11705-013-1334-5

Abstract: The nature and reducibility of the Co particles were modified by the presence of Au while the later also

Keywords： gold modified catalyst     conversion of synthesis gas    

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Fertility outcome analysis after modified laparoscopic microsurgical tubal anastomosis

Jihui Ai, Pei Zhang, Lei Jin, Yufeng Li, Jing Yue, Ding Ma, Hanwang Zhang

Frontiers of Medicine 2011, Volume 5, Issue 3,   Pages 310-314 doi: 10.1007/s11684-011-0152-8

Abstract:

Modified laparoscopic microsurgical tubal anastomosis is an alternative for microsurgical anastomosisThe current study aims to evaluate the fertility outcome after modified laparoscopic microsurgical tubalFifty-eight women who underwent modified laparoscopic microsurgical tubal anastomosis were monitoredCompared with the traditional laparoscopic tubal sterilization reversal, this modified approach has threeapproach via a trocar reduction; (2) remodeling of tube is better performing tied together after 3–4

Keywords： modified laparoscopy     tubal anastomosis     microsurgery    

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Adsorption of humic acid from aqueous solution on bilayer hexadecyltrimethyl ammonium bromide-modified

Yanhui ZHAN, Jianwei LIN, Yanling QIU, Naiyun GAO, Zhiliang ZHU

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 1,   Pages 65-75 doi: 10.1007/s11783-010-0277-z

Abstract: Surfactant-modified natural zeolites (SMNZ) with different coverage types were prepared by loading hexadecyltrimethylE2/E3 (absorbance at 250 nm to that at 365 nm) and E4/E6 (absorbance at 465 nm to that at 665 nm) ratiosResults show that HTAB-modified natural zeolite is a promising adsorbent for removal of HA from aqueous

Keywords： bilayer surfactant-modified zeolite     hexadecyltrimethyl ammonium bromide (HTAB)     adsorption    

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Adsorption property of direct fast black onto acid-thermal modified sepiolite and optimization of adsorption

Chengyuan SU, Weiguang LI, Yong WANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 4,   Pages 503-511 doi: 10.1007/s11783-012-0477-9

Abstract: The adsorption of direct fast black onto acid-thermal modified sepiolite was investigated.modeling and optimization of the adsorption conditions for direct fast black onto the acid-thermal modifiedThe raw sepiolite was converted to acid-thermal modified sepiolite, and changes in the fourier transformThe decolorization rate of direct fast black adsorbed increased from 68.2% to 98.9% on acid-thermal modifiedbefore and after treatment showed that the direct fast black was almost all adsorbed by the acid-thermal modified

Keywords： direct fast black     acid-thermal modified sepiolite     adsorption     response surface methodology    

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Title Author Date Type Operation

A modified YOLOv4 detection method for a vision-based underwater garbage cleaning robot

Manjun TIAN, Xiali LI, Shihan KONG, Licheng WU, Junzhi YU,tianmanjun2018@163.com,xiaer_li@163.com,kongshihan@pku.edu.cn,wulicheng@tsinghua.edu.cn,junzhi.yu@ia.ac.cn

Journal Article

Sulfidation/regeneration multicycle testing of nickel-modified ZnFe

Wei LI, Jinju GUO, Jiejie HUANG, Jiaotao ZHAO

Journal Article

Regulatory issues for genetically modified animals

Perry Bradbury HACKETT

Journal Article

Tuned reactive power dispatch through modified differential evolution technique

S. BISWAS (RAHA), N. CHAKRABORTY

Journal Article

Approaching the binding between Cu(II) and aerobic granules by a modified titration and µ-XRF

Hongwei LUO,Longfei WANG,Zhonghua TONG,Hanqing YU,Guoping SHENG

Journal Article

Kinetics and thermodynamics of the phosphine adsorption on the modified activated carbon

Bingnan REN

Journal Article

Removing phosphorus from aqueous solutions by using iron-modified corn straw biochar

Fenglin LIU,Jiane ZUO,Tong CHI,Pei WANG,Bo YANG

Journal Article

Immobilization of penicillin G acylase onto amino-modified silica hydrogel

Weibing Dong, Huining HE, Junbo Gong, Victor C. YANG,

Journal Article

Phosphorous removal from wastewater by lanthanum modified Y zeolites

Weikang ZHANG, Ye TIAN

Journal Article

Outdoor aging of road asphalt and SBS modified asphalt

Li XIANG, Juan TU, Jian CHENG, Guohe QUE

Journal Article

Estimation of thermodynamic properties of the ternary molten salt system, LiF-NaF-BeF2, by the modified

ZHANG Dalin, QIU Suizheng, SU Guanghui, JIA Dounan

Journal Article

Gold modified cobalt-based Fischer-Tropsch catalysts for conversion of synthesis gas to liquid fuels

Alan J. McCue, Jura Aponaviciute, Richard P.K. Wells, James A. Anderson

Journal Article

Fertility outcome analysis after modified laparoscopic microsurgical tubal anastomosis

Jihui Ai, Pei Zhang, Lei Jin, Yufeng Li, Jing Yue, Ding Ma, Hanwang Zhang

Journal Article

Adsorption of humic acid from aqueous solution on bilayer hexadecyltrimethyl ammonium bromide-modified

Yanhui ZHAN, Jianwei LIN, Yanling QIU, Naiyun GAO, Zhiliang ZHU

Journal Article

Adsorption property of direct fast black onto acid-thermal modified sepiolite and optimization of adsorption

Chengyuan SU, Weiguang LI, Yong WANG

Journal Article