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steps of fronts in chemical engineering:An overview of the publications of FCSE

Frontiers of Chemical Science and Engineering 2018年第4期12卷 593-597页

作者： Xiaowen Zhu Yaodong Huang Jing-Kang Wang School of Chemical Engineering and Technology Tianjin UniversityTianjin 300350China

The fronts of a subject could be perceived from the publications of top journals. We investigated four top journals on chemical engineering: AIChE Journal, Chemical Engineering Science, Industrial & Engineering Chemistry Research and Chemical Engineering Journal. Based on Web of Science, in the last five years, these four journals have published 21062 papers, including 590 highly cited papers and 31 “hot” papers among which only 7 are from Industrial & Engineering Chemistry Research and all the others from Chemical Engineering Journal (data obtained on November 17, 2018). The traditional research “Pure and pseudo-pure fluid thermophysical property evaluation and the open-source thermophysical property library CoolProp” is the most cited paper published in 2014 [1]. Both highly cited and “hot” papers were published in 2017 on electrodes of supercapacitors [2]. But researches on environmental science and engineering have been paid most attention with 17 of 27 both highly cited and “hot” papers on this research area. The most cited and “hottest” paper is “Boron nitride-based materials for the removal of pollutants from aqueous solutions: A review” in 2018 [3]. Over the past decades, research and technologies advancement in chemical science and engineering in China has expanded in a lightning speed globally. To meet the growing needs of knowledge exchange and understanding of the underlying scientific principles, we launched in 2007 a new journal named Frontiers of Chemical Engineering in China with all papers translated from the Chinese journals. Original research articles or reviews have been published since 2009. The new name Frontiers of Chemical Science and Engineering (FCSE) has begun only since 2011 and FCSE became one of the Transactions of the Chinese Academy of Engineering (CAE) in 2014. From CAE, we have received many supports, both academic and financial. Especially in the latest three years, we have organized some important Special Issues and Topics. For th

关键词： fronts Chemical Engineering fronts (meteorology) publications steps Oceanic fronts

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Disorder Induced Dynamic Equilibrium Localization and Random Phase steps of Bose–Einstein Condensates

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Chinese Physics Letters 2011年第10期28卷 5-8页

作者： DUAN Ya-Fan XU Zhen QIAN Jun SUN Jian-Fang JIANG Bo-Nan HONG Tao Key Laboratory for Quantum Optics Shanghai Institute of Optics and Fine MechanicsChinese Academy of SciencesShanghai 201800 Center for Macroscopic Quantum Phenomena Shanghai Advanced Research InstituteChinese Academy of SciencesShanghai 201203

We numerically analyze the dynamic behavior of Bose–Einstein condensate(BEC)in a one-dimensional disordered potential before it completely loses spatial quantum *** find that both the disorder statistics and the atom interactions produce remarkable effects on *** also find that the single phase of the initial condensate is broken into many small pieces while the system approaches localization,showing a counter-intuitive step-wise phase but not a thoroughly randomized *** the condensates as a whole show less flow and expansion,the currents between adjacent phase steps retain strong time *** we show explicitly that the localization of a finite size Bose–Einstein condensate is a dynamic equilibrium state.

关键词： Einstein steps intuitive

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The characteristic finite difference fractional steps methods for compressible two-phase displacement problem

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Science China Mathematics 1999年第1期42卷 48-57页

作者：袁益让 1. Institute of Mathematics Shandong University 250100 Jinan China

For compressible two-phase displacement problem, a kind of characteristic finite difference fractional steps schemes is put forward and thick and thin grids are used to form a complete set. Some techniques, such as piecewise biquadratic interpolation, of calculus of variations, multiplicative commutation rule of difference operators, decomposition of high order difference operators and prior estimates are adopted. Optimal order estimates in L^2 norm are derived to determine the error in the approximate solution.

关键词： two-phase displacement two-dimensional compressibility fractional steps characteristic finite difference convergence numerical simulation of energy sources.

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The two steps thermal decomposition of titanium hydride and two steps foaming of Al alloy

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Science China Chemistry 2005年第6期48卷 523-529页

作者： SHANG Jintang HE Deping South-east University Nanjing 210096 China South-east University Nanjing 210096 China

Two steps foaming (TSF) technique was proposed to prepare shaped Al alloy foam. Based on the thermal decomposition kinetics equation of titanium hydride, the relationship be-tween two steps thermal decomposition kinetics of titanium hydride and two steps foaming Al alloy melt was studied. Two steps thermal decomposition curve of titanium hydride under in-creasing and constant temperature was calculated respectively. The hydrogen mass needed in the second foaming step was also calculated. Results showed that the hydrogen mass of the second thermal decomposition of titanium hydride is enough for the second foaming step in the condition of as-received Al melt foaming. Experimental and theoretical results indicate that two steps foaming technique can be used to prepare Al alloy foam with high porosity, shaped com-ponents and sandwich with Al alloy foam core.

关键词： two steps foaming, titanium hydride, thermal decomposition kinetics, Al alloy foam, shaped components.

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Induction of membraneless organelles as a strategy for HIV-1 post-nuclear entry steps

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Journal of Molecular Cell Biology 2023年第2期15卷 1-2页

作者： Sheng Zhou Hongyu Deng CAS Key Laboratory of Infection and Immunity Institute of BiophysicsChinese Academy of SciencesBeĳing 100101China University of Chinese Academy of Sciences Beĳing 100049China CAS Center for Excellence in Biomacromolecules Institute of BiophysicsChinese Academy of SciencesBeĳing 100101China

As intracellular parasites,viruses must modulate the environment of host cells to facilitate viral genome replication and virion *** strategy is to establish specialized,membrane-associated subcellular structures to concentrate viral and cellular components and mediate viral replication *** strategy is utilized by many positive-strand RNA viruses such as coronaviruses,hepatitis C virus,and Zika virus,and they re-organize host endo-membranes to form double-membrane vesicles for viral genome replication(Wolff et al.,2020).

关键词： al. steps utilized

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From golden rice to a STARice, more than just two steps forward in a pathway

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Science China(Life Sciences) 2019年第2期62卷 280-281页

作者： Wei-Cai Chen Shan Lu State Key Laboratory of Pharmaceutical Biotechnology School of Life Sciences Nanjing University

Carotenoids are widely distributed in higher plants, algae and some bacteria and fungi. For human beings, they are essential phytonutrients that serve not only as precursors of vitamin A.

关键词： From golden rice to a STARice more than just two steps forward in a pathway

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GROWTH steps ON Pt(110)

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Chinese Physics Letters 1990年第6期7卷 245-247页

作者： LI Zongquan SHEN Hui QIN Yong Institute of Solid State Physics Academia SinicaHefei 230031

The observation of growth steps on Pt(110)was carried out by means of reflection electron *** huge terraces on Pt(110)have a zigzag shape,showing that the risers of those steps are composed of(111)and(111)*** characte... 详细信息

关键词： steps showing

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AN ANALYTIC METHOD OF FRACTIONAL steps FOR THE NUMERICAL SOLUTION TO CONVECTION-DOMINATED PROBLEMS

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Science China Mathematics 1990年第8期33卷 944-954页

作者：吴江航孙毓平 Department of Mechanics Peking University Beijing 100871 PRC

An analytic method of fractional steps, which is unconditionally L_∞-stable, is proposed for the numerical solution to convection-dominated problems. In this paper the stability and convergence of the analytic soluti... 详细信息

关键词： convection-dominated problems method of fractional steps backward characteristics technique finite analytic method maximum and minimum principles.

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Application of simulated annealing algorithm to optimizing sequencing of operation steps

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Journal of Harbin Institute of Technology(New Series) 2000年第3期7卷 90-92页

作者：许之伟常伟刘文剑 CAD/CAM Institute Harbin Institute of Technology Harbin 150001 China

Discusses the optimization of machining operation sequencing by simulated annealing, and building a simulated annealing optimization model. From which, a new way to optimize operation sequencing can be developed.

关键词： operation steps optimizing SA algorithm

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Static filtering and collocation in successive steps for measurements with colored noises

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中国有色金属学会会刊：英文版 2005年第S1期15卷 80-81页

作者： ZHAO Chang-sheng~1, MA Zhen-li~2 (1. Xuzhou Normal University, Xuzhou 221009, China 2. Liaoning Technical University, Fuxin 123000, China)

The theory of static filtering in successive steps with colored noises is ample scope for its application in the procedure of GPS data processing. A majority of error and round-cycle distinctness in the measurements of GPS carrier phase can be eliminated through three times of differential calculations of stations, satellites and epochs, in which the cycle beatings became isolated values. The observation error of three-differentials in the intervals between epochs results in block diagonal matrixes in the covariance matrixes, so that the desired matrixes occupy too large memory and the processing time is too long. Therefore, by using the theory of static filtering in successive steps with colored noises, the interrelation can be eliminated and can save the processing time and memory.

关键词： colored noise static filtering in successive steps three-differentials measurements in GPS carrier phase

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