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A newly defined dioxygenase system from Mycobacterium vanbaalenii

Yiquan Wu, Ying Xu, Ningyi Zhou

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 1, doi: 10.1007/s11783-019-1193-5

Abstract: NidA3B3 is a terminal dioxygenase whose favorable substrates are high-molecular-weight polyaromatic hydrocarbonsNidA3B3 was reported to incorporate a dioxygen into the benzene ring of PAHs when equipped with an exogenoustransport chain components PhdCD from Nocardioides sp. strain KP7 by biotransformation, but this enzyme systemWhen PhtAcAd, an endogenous electron transport chain of a phthalate dioxygenase system, was substituted

Keywords： Biodegradation     polyaromatic hydrocarbons     biotransformation     ring-hydroxylating dioxygenase system    

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Effect of salinity on community structure and naphthalene dioxygenase gene diversity of a halophilic

Tingting Fang, Ruisong Pan, Jing Jiang, Fen He, Hui Wang

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0888-0

Abstract: salinity on polycyclic aromatic hydrocarbons (PAHs) biodegradation, community structure and naphthalene dioxygenase

Keywords： Phenanthrene     Halophilic bacteria     Gene diversity     Naphthalene dioxygenase genes    

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Frequencies of circular plate with concentric ring and elastic edge support

Lokavarapu Bhaskara RAO,Chellapilla Kameswara RAO

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 168-176 doi: 10.1007/s11465-014-0299-5

Abstract: the flexural vibrations of circular plates having elastic edge conditions along with rigid concentric ringdifferent sets of values of elastic rotational and translation restraints and the radius of internal rigid ringThe effects of rotational and linear restraints and the radius of the rigid ring support on the vibrationparameter presented in this paper for varying values of restraint parameters and the radius of the rigid ring

Keywords： circular plate     frequency     elastic edge     rigid ring     mode switching    

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Fundamental buckling of circular plates with elastically restrained edges and resting on concentric rigid ring

Lokavarapu Bhaskara Rao, Chellapilla Kameswara Rao

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 3,   Pages 291-297 doi: 10.1007/s11465-013-0255-9

Abstract: work presents the existence of buckling mode switching with respect to the radius of concentric rigid ringIn general, the plate may buckle in an axisymmetric mode but when the radius of the ring support becomesThe optimum radius of the concentric rigid ring support for maximum buckling load is also determined.Introducing internal rigid ring support, when placed at an optimal position increases the elastic buckling

Keywords： buckling     circular plate     elastically restrained edge     rigid ring support     mode switching    

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A novel algorithm for frequency dependent modeling of ferrite ring and its optimum design to study VFTO

Mehrdad MAJIDI, Hamid JAVADI, Moein MANBACHI

Frontiers in Energy 2014, Volume 8, Issue 1,   Pages 90-100 doi: 10.1007/s11708-013-0286-2

Abstract: The main advantage of this paper is its new proposed algorithm according to the ferrite ring frequencyThis paper examines the effects of three compositions of the ferrite ring on VFTO suppression.Moreover, it estimates the dimension of the ferrite ring based on the SF6 gas insulation withstand andFurthermore, it gains VFTO attenuated percentages due to the installation of the ferrite ring in different

Keywords： comsol multiphysics     EMTP-RV     ferrite ring     gas insulated substations (GIS)     transient over-voltage     insulation    

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Study on Finite Element Method for Calculation of Stress on External Ring of One-way Clutch

Luo Yixin,Wu Bo

Strategic Study of CAE 2004, Volume 6, Issue 9,   Pages 56-59

Abstract:

At present there is no appropriate method for calculation of stress on external ring of a one-wayIn this paper, according to characteristics of the external ring, the method of finite element analyaisfactors which have influence on computational accuracy have been studied, and the stress on external ringanalyais is really an attractive method for the calculation of stress on parts similar to external ring

Keywords： clutch     external ring     stress     finite element    

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Intelligent algorithm for optimal meter placement and bus voltage estimation in ring main distributionsystem

L. RAMESH, N. CHAKRABORTY, S. P. CHOWDHURY

Frontiers in Energy 2012, Volume 6, Issue 1,   Pages 47-56 doi: 10.1007/s11708-011-0159-5

Abstract: The advancement in power distribution system poses a great challenge to power engineering researcherswhich is more essential for decision making in distribution supervisory control and data acquisition system

Keywords： artificial intelligence     power distribution control     state estimation    

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Contact Pressure and Fatigue Life Prediction of Kiln Rolling Ring Under Intermittent Contact

Shi Yu,Xiao Yougang,Lei Xianming

Strategic Study of CAE 2006, Volume 8, Issue 7,   Pages 54-57

Abstract:

The mathematical models of contact pressure distribution between rolling ring and shell under intermittentnominal stress method and local stress-strain method, the fatigue life prediction model of rolling ringThe results show that the fatigue life can be improved greatly if the rolling ring load can be controlledThe support angle 30° of rolling ring is unreasonable.There exits an optimal angle which will enhance rolling ring life to the utmost.

Keywords： rolling ring     contact pressure     support angle     fatigue life    

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Preparation and properties of hollow fibre nanofiltration membrane with continuous coffee-ring structure

Xiuzhen Wei, Xufeng Xu, Yi Chen, Qian Zhang, Lu Liu, Ruiyuan Yang, Jinyuan Chen, Bosheng Lv

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 2,   Pages 351-362 doi: 10.1007/s11705-020-1943-8

Abstract: Polyamide (PA) hollow fibre composite nanofiltration (NF) membranes with a coffee-ring structure andThe presentation of the coffee-ring structure was attributed to the heterogeneous, finely dispersed multiphasereaction system and the “coffee-stain” effect of the GO solution.

Keywords： GO     PA     interfacial polymerization     hollow fibre NF membrane    

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The negative ring demolition and tunnel refitting technique of large diameter tube

Zhai Zhiguo,Huang xuejun,Yang Zhiyong

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 83-88

Abstract:

Through introducing the construction method of negative ring demolitionreplacement technique of Beijing Rail Transit Line 2 bid section in detail, the experience of negative ring

Keywords： big diameter shield     negative ring     demolition     tunnel reconstruction    

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An Approximate Analytical Method for a Slot Ring Radome Article

Kang Luo, Jin Meng, Jiangfeng Han, Danni Zhu

Engineering 2023, Volume 30, Issue 11,   Pages 75-82 doi: 10.1016/j.eng.2023.07.015

Abstract: an in-band and out-of-band microwave wireless power-transmission characteristic analysis of a slot ringThe main contribution of this paper is that, in the approximate analysis of the ring radome, a unifiedthe corresponding 60 × 60 linear equations yields the electric current distribution along the ringThe magnetic current along the complementary slot ring is obtained by duality.An example of a slot ring biplanar symmetric hybrid radome is used to verify the accuracy and efficiency

Keywords： Approximate analytical     Ring     Radome     Kirchhoff-type circuit    

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Insight into fluorescence properties of 14 selected toxic single-ring aromatic compounds in water: Experimental

Muhammad Farooq Saleem Khan, Jing Wu, Cheng Cheng, Mona Akbar, Chuanyang Liu, Bo Liu, Jian Shen, Yu Xin

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 3, doi: 10.1007/s11783-020-1219-z

Abstract: The p-electron system inside aromatic ring contributes to the fluorophore region.Various single-ring aromatic compounds in water sources are of great concern due to its hazardous impactstudy provides a detailed insight into the fluorescence properties of the 14 selected toxic single-ringThe lone pair of electrons at amide substituent serves as a p-electron contributor into the aromatic ring

Keywords： Fluorescence     Photophysical properties     Effect of the substituent     Toxic aromatic compounds    

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Temperature field simulation of laser homogenizing equipment

Juanjuan WANG, Yunshan WANG, Fudong ZHU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 49-52 doi: 10.1007/s11465-009-0005-1

Abstract: The laser homogenizing equipment was devised using the ring scanning principle.A laser scanning ring facula is obtained when the laser beam goes through the equipment’s optical systemThe scanning ring facula’s mathematic model is established based on the temperature field’s superposingThe ring facula’s light intensity distribution and temperature distribution characteristics are achievedThe uniform hardness layer and better process quality can be attained using the ring facula optimized

Keywords： laser homogenizing technology     laser scanning ring facula     temperature field    

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A “Sequential Design of Simulations” approach for exploiting and calibrating discrete element simulations of cohesive powders

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 874-885 doi: 10.1007/s11705-021-2131-1

Abstract: The flow behaviours of cohesive particles in the ring shear test were simulated and examined using discreteresponse surface designs were validated and compared with shear stresses measured from the Schulze ring

Keywords： discrete element method     cohesive materials     parameter calibration     ring shear cell     design of experiments    

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An analysis of the adverse reactions of five kinds of intrauterine devices

Li Huajie

Strategic Study of CAE 2015, Volume 17, Issue 6,   Pages 28-30

Abstract:

by observing placed intrauterine device (IUD), Aimu ring (MCU), maternal music MCU375, uterine shapedring GCU300, TCU220C and genefex of adverse reaction conditions, for women of childbearing age informedmenstrual blood volume and increased, prolonged menstruation, irregular vaginal bleeding, pain, off the ring

Keywords： IUD     adverse reaction     Jeanne ring    

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Title Author Date Type Operation

A newly defined dioxygenase system from Mycobacterium vanbaalenii

Yiquan Wu, Ying Xu, Ningyi Zhou

Journal Article

Effect of salinity on community structure and naphthalene dioxygenase gene diversity of a halophilic

Tingting Fang, Ruisong Pan, Jing Jiang, Fen He, Hui Wang

Journal Article

Frequencies of circular plate with concentric ring and elastic edge support

Lokavarapu Bhaskara RAO,Chellapilla Kameswara RAO

Journal Article

Fundamental buckling of circular plates with elastically restrained edges and resting on concentric rigid ring

Lokavarapu Bhaskara Rao, Chellapilla Kameswara Rao

Journal Article

A novel algorithm for frequency dependent modeling of ferrite ring and its optimum design to study VFTO

Mehrdad MAJIDI, Hamid JAVADI, Moein MANBACHI

Journal Article

Study on Finite Element Method for Calculation of Stress on External Ring of One-way Clutch

Luo Yixin,Wu Bo

Journal Article

Intelligent algorithm for optimal meter placement and bus voltage estimation in ring main distributionsystem

L. RAMESH, N. CHAKRABORTY, S. P. CHOWDHURY

Journal Article

Contact Pressure and Fatigue Life Prediction of Kiln Rolling Ring Under Intermittent Contact

Shi Yu,Xiao Yougang,Lei Xianming

Journal Article

Preparation and properties of hollow fibre nanofiltration membrane with continuous coffee-ring structure

Xiuzhen Wei, Xufeng Xu, Yi Chen, Qian Zhang, Lu Liu, Ruiyuan Yang, Jinyuan Chen, Bosheng Lv

Journal Article

The negative ring demolition and tunnel refitting technique of large diameter tube

Zhai Zhiguo,Huang xuejun,Yang Zhiyong

Journal Article

An Approximate Analytical Method for a Slot Ring Radome

Kang Luo, Jin Meng, Jiangfeng Han, Danni Zhu

Journal Article

Insight into fluorescence properties of 14 selected toxic single-ring aromatic compounds in water: Experimental

Muhammad Farooq Saleem Khan, Jing Wu, Cheng Cheng, Mona Akbar, Chuanyang Liu, Bo Liu, Jian Shen, Yu Xin

Journal Article

Temperature field simulation of laser homogenizing equipment

Juanjuan WANG, Yunshan WANG, Fudong ZHU

Journal Article

A “Sequential Design of Simulations” approach for exploiting and calibrating discrete element simulations of cohesive powders

Journal Article

An analysis of the adverse reactions of five kinds of intrauterine devices

Li Huajie

Journal Article