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Bioleaching of spent Ni-Cd batteries and phylogenetic analysis of an acidophilic strain in acidified sludge

ZHAO Ling, WANG Liang, YANG Dong, ZHU Nanwen

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 4,   Pages 459-465 doi: 10.1007/s11783-007-0073-6

Abstract: A two-step continuous flow leaching system co

Keywords： Biohydrometallurgy     discarded     indigenous     two-step continuous     presence    

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Two-step hydrothermal conversion of biomass waste to humic acid using hydrochar as intermediate

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 10, doi: 10.1007/s11783-023-1719-8

Abstract: A two-step hydrothermal treatment method was adopted in this study to produce humic acid from corn stalksIn the first step of the process, hydrochar was prepared at different hydrothermal temperatures and pH

Keywords： Biowaste     Hydrochar     Humic acid     Hydrothermal parameter     Unsaturation    

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Colocated MIMO radar waveform-design based on two-step optimizations in spatial and spectral domains Article

Yu-xi WANG, Guo-ce HUANG, Wei LI, Jin-liang LI

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 7,   Pages 1021-1032 doi: 10.1631/FITEE.1601726

Abstract: propose an efficient colocated multiple-input multiple-output radar waveform-design method based on two-step

Keywords： Multiple-input multiple-output (MIMO) radar     Waveform design     Spectral factorization     Fractional quadratically constrained quadratic programming (QCQP)    

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Microbial community structure and dynamics of starch-fed and glucose-fed chemostats during two yearsof continuous operation

Min GOU,Jing ZENG,Huizhong WANG,Yueqin TANG,Toru SHIGEMATSU,Shigeru MORIMURA,Kenji KIDA

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 2,   Pages 368-380 doi: 10.1007/s11783-015-0815-9

Abstract: The microbial community structures of two mesophilic anaerobic chemostats, one fed with glucose, thewere studied at various dilution rates (0.05–0.25 d for glucose and 0.025–0.1 d for starch) during twoyears continuous operation.Although bacteria belonging to only two phyla were mainly responsible for starch degradation (Spirochaetespatterns revealed by denaturing gradient gel electrophoresis (DGGE) of the microbial communities in the two

Keywords： microbial community     glucose degradation     starch degradation     dilution rate     continuous methane fermentation    

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Bi-modes alternation stepping ultrasonic motors

JIN Jiamei, ZHAO Chunsheng

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 101-105 doi: 10.1007/s11465-008-0018-1

Abstract: Based on the principle of alternative operation of two bending vibration modes in an annular stator,The driving forces are generated from the motions of projections on the stator in two modes.Two-phase sinusoidal signals corresponding to the two modal frequencies drive the motor bi-directionThe prototype runs steadily without miss-step on trial.The single-step angle displacement of the motor is 2.5°.

Keywords： miss-step     bi-direction     Two-phase sinusoidal     positioning     accumulative    

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An Eight-Step Continuous-Flow Total Synthesis of Vitamin B1 Article

Meifen Jiang, Minjie Liu, Weijian Li, Yingqi Xia, Fener Chen

Engineering 2024, Volume 32, Issue 1,   Pages 230-239 doi: 10.1016/j.eng.2023.01.016

Abstract: This study reports on an integrated eight-step continuous-flow synthesis of vitamin B1 fromThe proposed continuous-flow process is based on advances in chemistry, engineering, and equipment designthe prevention of side reactions, using various micro-channel flow reactors, mixers, separators, and continuousThis eight-step continuous-flow protocol enables technology involving up to six of the key principles

Keywords： Vitamin B1     Continuous-flow synthesis     Micro-reactor     Continuous manufacturing    

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Two-step gate-recess process combining selective wet-etching and digital wet-etching for InAlAs/InGaAs Article

Ying-hui ZHONG, Shu-xiang SUN, Wen-bin WONG, Hai-li WANG, Xiao-ming LIU, Zhi-yong DUAN, Peng DING, Zhi JIN

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 8,   Pages 1180-1185 doi: 10.1631/FITEE.1601121

Abstract: A two-step gate-recess process combining high selective wet-etching and non-selective digital wet-etchingThe two-step gate-recess etching technique has been successfully incorporated into device fabricationDigital wet-etching is repeated for two cycles with about 3 nm InAlAs barrier layer being etched off.

Keywords： High electron mobility transistors (HEMTs)     Gate-recess     Digital wet-etching     Selective wet-etching    

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Analysis of flow over backward facing step with transition

Dwarikanath RATHA,Arindam SARKAR

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 1,   Pages 71-81 doi: 10.1007/s11709-014-0270-x

Abstract: deals with the study of the velocity distribution and the separation phenomenon of flow of air over a twodimensional backward facing step.The flow of air over a backward facing step has been investigated numerically using FLUENT.The primary reattachment length at the bottom wall downstream of the step is minimum for the step withround edged transition and maximum for the step with a vertical drop transition.

Keywords： Reattachment length     backward facing step     transition     flow separation     k-? model    

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Pretest analysis of shake table response of a two-span steel girder bridge incorporating accelerated

Elmira SHOUSHTARI, M. Saiid SAIIDI, Ahmad ITANI, Mohamed A. MOUSTAFA

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1,   Pages 169-184 doi: 10.1007/s11709-019-0590-y

Abstract: This paper presents pretest analysis of a shake table test model of a 0.35-scale, two-span, steel plateThe bridge included seat type abutments, full-depth precast deck panels, and a two-column bent in which

Keywords： shake table test     accelerated bridge construction     steel girder bridge     OpenSEES     UHPC     simple for dead continuous    

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One-step synthesis of recoverable CuCo

Tongzhou Lu, Yongzheng Zhang, Chun Cheng, Yanbin Wang, Yongming Zhu

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 4,   Pages 595-604 doi: 10.1007/s11705-019-1818-z

Abstract: A facile one-step hydrothermal method has been adopted to directly synthesize the CuCo S material on

Keywords： copper cobalt sulfide     recoverability     one-step hydrothermal method     anode material     Li-ion battery    

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Strain and process engineering toward continuous industrial fermentation

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1336-1353 doi: 10.1007/s11705-022-2284-6

Abstract: To increase the economic competitiveness of biological processes, continuous fermentation technologiesHowever, several key challenges should be addressed for the industrial application of continuous fermentation

Keywords： continuous fermentation     productivity     contamination     strain degeneration     metabolic engineering    

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On Step by Step Method in Developing Aero-Engines

Wen Junfeng

Strategic Study of CAE 2000, Volume 2, Issue 3,   Pages 23-26

Abstract:

Two ways to develop the aero-engines and their respective features are discussed in a summary mannerThe regularity and importance of the mode of step by step development are discussed and justified with

Keywords： aero-engine     ways to develop aero-engines     step by step method    

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Ant colony optimization in continuous problem

YU Ling, LIU Kang, LI Kaishi

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 459-462 doi: 10.1007/s11465-007-0079-6

Abstract: Based on the analysis of the basic ant colony optimization and optimum problem in a continuous space,an ant colony optimization (ACO) for continuous problem is constructed and discussed.The algorithm is efficient and beneficial to the study of the ant colony optimization in a continuous

Keywords： beneficial     algorithm     efficient     continuous     ACO    

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ApipelinedReed-Solomon decoder based on a modified step-by-step algorithm Article

Xing-ru PENG,Wei ZHANG,Yan-yan LIU

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 9,   Pages 954-961 doi: 10.1631/FITEE.1500303

Abstract: propose a pipelined Reed-Solomon (RS) decoder for an ultra-wideband system using a modified stepby-stepTo reduce the complexity, the modified step-by-step algorithm merges two cases of the original algorithmThe area of the proposed decoder is 11.3% less than that of the previous step-by-step decoder with a

Keywords： Reed-Solomon codes     Step-by-step algorithm     Ultra-wideband     Pipelined structure    

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Industrialization of the Advanced Technology in Continuous Casting of Steel

Gan Yong

Strategic Study of CAE 2002, Volume 4, Issue 9,   Pages 12-18

Abstract:

The characteristics of key technology in high-effective and thin-slab continuous casting of steeltechnologies such as soft reduction, hydraulic-driven non-sinusoidal oscillation, and electromagnetic continuousThe progress direction of high-efficiency and high quality of conventional continuous casting is discussed, and the development trend of near-net-shape continuous casting and electromagnetic continuous casing

Keywords： continuous casting of steel     high-effective continuous casting     thin slab continuous casting     soft reduction     electromagnetic continuous casting     industrialization    

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Title Author Date Type Operation

Bioleaching of spent Ni-Cd batteries and phylogenetic analysis of an acidophilic strain in acidified sludge

ZHAO Ling, WANG Liang, YANG Dong, ZHU Nanwen

Journal Article

Two-step hydrothermal conversion of biomass waste to humic acid using hydrochar as intermediate

Journal Article

Colocated MIMO radar waveform-design based on two-step optimizations in spatial and spectral domains

Yu-xi WANG, Guo-ce HUANG, Wei LI, Jin-liang LI

Journal Article

Microbial community structure and dynamics of starch-fed and glucose-fed chemostats during two yearsof continuous operation

Min GOU,Jing ZENG,Huizhong WANG,Yueqin TANG,Toru SHIGEMATSU,Shigeru MORIMURA,Kenji KIDA

Journal Article

Bi-modes alternation stepping ultrasonic motors

JIN Jiamei, ZHAO Chunsheng

Journal Article

An Eight-Step Continuous-Flow Total Synthesis of Vitamin B1

Meifen Jiang, Minjie Liu, Weijian Li, Yingqi Xia, Fener Chen

Journal Article

Two-step gate-recess process combining selective wet-etching and digital wet-etching for InAlAs/InGaAs

Ying-hui ZHONG, Shu-xiang SUN, Wen-bin WONG, Hai-li WANG, Xiao-ming LIU, Zhi-yong DUAN, Peng DING, Zhi JIN

Journal Article

Analysis of flow over backward facing step with transition

Dwarikanath RATHA,Arindam SARKAR

Journal Article

Pretest analysis of shake table response of a two-span steel girder bridge incorporating accelerated

Elmira SHOUSHTARI, M. Saiid SAIIDI, Ahmad ITANI, Mohamed A. MOUSTAFA

Journal Article

One-step synthesis of recoverable CuCo

Tongzhou Lu, Yongzheng Zhang, Chun Cheng, Yanbin Wang, Yongming Zhu

Journal Article

Strain and process engineering toward continuous industrial fermentation

Journal Article

On Step by Step Method in Developing Aero-Engines

Wen Junfeng

Journal Article

Ant colony optimization in continuous problem

YU Ling, LIU Kang, LI Kaishi

Journal Article

ApipelinedReed-Solomon decoder based on a modified step-by-step algorithm

Xing-ru PENG,Wei ZHANG,Yan-yan LIU

Journal Article

Industrialization of the Advanced Technology in Continuous Casting of Steel

Gan Yong

Journal Article