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Recent progress in hydrodynamic characteristics research and application of annular centrifugal extractors

《化学科学与工程前沿（英文）》 2022年第16卷第6期页码 854-873 doi: 10.1007/s11705-022-2156-0

摘要： The annular centrifugal extractor (ACE) integrates mixing and separation. It has been widely used in many industrial fields because of its low residence time, compact structure, and high mass transfer efficiency. Most of the literature has focused on flow instabilities, flow visualization, and computational fluid dynamics simulations. More recently, research on hydrodynamic behavior and structural optimization has received widespread attention. With the development of ACE technology, applications have been broadened into several new areas. Hence, this paper reviews research progress regarding ACE in terms of hydrodynamic characteristics and the structural improvements. The latest applications covering hydrometallurgy, nuclear fuel reprocessing, bio-extraction, catalytic reaction, and wastewater treatment are presented. We also evaluate future work in droplet breakup and coalescence mechanisms, structural improvements specific to different process requirements, scaling-up methods, and stability and reliability after scaling-up.

关键词： annular centrifugal extractor hydrodynamic characteristics structure optimization the latest application

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Latest advances in ionic liquids promoted synthesis and application of advanced biomass materials

《化学科学与工程前沿（英文）》 2023年第17卷第7期页码 798-816 doi: 10.1007/s11705-023-2316-x

摘要： The utilization of sustainable resources provides a path to relieving the problem of dependence on fossil resources. In this context, biomass materials have become a feasible substitute for petroleum-based materials. The development of biomass materials is booming and advanced biomass materials with various functional properties are used in many fields including medicine, electrochemistry, and environmental science. In recent years, ionic liquids have been widely used in biomass pretreatments and processing owing to their “green” characteristics and adjustable physicochemical properties. Thus, the effects of ionic liquids in biomass materials generation require further study. This review summarizes the multiple roles of ionic liquids in promoting the synthesis and application of advanced biomass materials as solvents, structural components, and modifiers. Finally, a prospective approach is proposed for producing additional higher-quality possibilities between ionic liquids and advanced biomass materials.

关键词： biomass materials functional materials ionic liquids synthesis structure-property relationship

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Contributions in renewable energy systems: A perspective from the latest publications of FCSE

Xiaowen Zhu, Di Xu, Jing-Kang Wang

《化学科学与工程前沿（英文）》 2019年第13卷第4期页码 632-635 doi: 10.1007/s11705-019-1904-2

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Surgical robotics: A look-back of latest advancement and bio-inspired ways to tackle existing challenges

Yang LIU, Jing LIU

《机械工程前沿（英文）》 2012年第7卷第4期页码 376-384 doi: 10.1007/s11465-012-0352-1

摘要：

This article is dedicated to present a review on existing challenges and latest developments in surgical robotics in attempts to overcome the obstacles lying behind. Rather than to perform an exhaustive evaluation, we would emphasize more on the new insight by digesting the emerging bio-inspired surgical technologies with potentials to revolutionize the field. Typical approaches, possible applications, advantages and technical challenges were discussed. Evolutions of surgical robotics and future trends were analyzed. It can be found that, the major difficulties in the field of surgical robots may not be properly addressed by only using conventional approaches. As an alternative, bio-inspired methods or materials may shed light on new innovations. While endeavors to deal with existing strategies still need to be made, attentions should be paid to also borrow ideas from nature.

关键词： minimally invasive surgery surgical robotics haptic feedback miniaturization bio-inspiration bionics

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嫦娥五号探测器成功带回月球岩石

Mitch Leslie

《工程（英文）》 2021年第7卷第5期页码 544-546 doi: 10.1016/j.eng.2021.03.007

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IPCC最新报告发出严厉警告：全球减排窗口正在迅速关闭

Chris Palmer

《工程（英文）》 2023年第30卷第11期页码 7-9 doi: 10.1016/j.eng.2023.09.004

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评论——Erasmus大学Thoraxcenter生物医疗工程系的最新成果

Bertrand van Ee

《工程（英文）》 2015年第1卷第1期页码 20-20 doi: 10.15302/J-ENG-2015020

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塑料加工成型技术的最新研究进展

瞿金平

《中国工程科学》 2011年第13卷第10期页码 58-68

摘要：

依据塑料工业发展低耗、高效、环保型“绿色”加工成型技术的重大需求，随着塑料塑化输运方法的不断演变与创新，在塑料动态加工成型方法和设备的基础上提出和研究了基于拉伸流变的塑料加工成型方法和技术，着重讨论了拉伸形变支配的叶片挤压系统中塑料塑化输运过程、叶片挤压系统的技术特征和叶片塑化输运技术的应用。研究结果表明，与传统技术及设备相比较，这种新技术及设备具有加工历程缩短50 %以上、加工能耗降低30 %左右、混合混炼效果好、制品质量提高、对物料适应性广等优异的技术性能。同时发现，新技术及设备在多相多组份复合材料、剪切热敏感高分子材料等物料体系的加工方面具有独特优势。

关键词：塑料加工成型拉伸形变塑化输运

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黄学良：无线电能传输技术最新进展及应用展望（2020年8月18日）

2022年10月17日

关键词：能源

Latest research progress for LBE coolant reactor of China initiative accelerator driven system project

《能源前沿（英文）》 2021年第15卷第4期页码 810-831 doi: 10.1007/s11708-021-0760-1

摘要： China’s accelerator driven subcritical system (ADS) development has made significant progress during the past decade. With the successful construction and operation of the international prototype of ADS superconducting proton linac, the lead-based critical/subcritical zero-power facility VENUS-II and the comprehensive thermal-hydraulic and material test facilities for LBE (lead bismuth eutectic) coolant, China is playing a pivotal role in advanced steady-state operations toward the next step, the ADS project. The China initiative Accelerator Driven System (CiADS) is the next facility for China’s ADS program, aimed to bridge the gaps between the ADS experiment and the LBE cooled subcritical reactor. The total power of the CiADS will reach 10 MW. The CiADS engineering design was approved by Chinese government in 2018. Since then, the CiADS project has been fully transferred to the construction application stage. The subcritical reactor is an important part of the whole CiADS project. Currently, a pool-type LBE cooled fast reactor is chosen as the subcritical reactor of the CiADS. Physical and thermal experiments and software development for LBE coolant were conducted simultaneously to support the design and construction of the CiADS LBE-cooled subcritical reactor. Therefore, it is necessary to introduce the efforts made in China in the LBE-cooled fast reactor to provide certain supporting data and reference solutions for further design and development for ADS. Thus, the roadmap of China’s ADS, the development process of the CiADS, the important design of the current CiADS subcritical reactor, and the efforts to build the LBE-cooled fast reactor are presented.

关键词： LBE (lead bismuth eutectic) coolant reactor China initiative Accelerator Driven System (CiADS) project research progress

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Latest progress in numerical simulations on multiphase flow and thermodynamics in production of natural

Lin ZUO, Lixia SUN, Changfu YOU

《能源前沿（英文）》 2009年第3卷第2期页码 152-159 doi: 10.1007/s11708-009-0017-x

摘要： Natural gas hydrates are promising potential alternative energy resources. Some studies on the multiphase flow and thermodynamics have been conducted to investigate the feasibility of gas production from hydrate dissociation. The methods for natural gas production are analyzed and several models describing the dissociation process are listed and compared. Two prevailing models, one for depressurization and the other for thermal stimulation, are discussed in detail. A comprehensive numerical method considering the multiphase flow and thermodynamics of gas production from various hydrate-bearing reservoirs is required to better understand the dissociation process of natural gas hydrate, which would be of great benefit to its future exploration and exploitation.

关键词： numerical simulation natural gas hydrate dissociation thermodynamics multiphase flow

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国外光纤光纤带和带状光缆技术的最新发展

刘良炎

《中国工程科学》 2001年第3卷第9期页码 86-94

摘要：

综合介绍了近年国外关于低衰耗的色散补偿光纤，非零色散位移光纤，用于恶劣环境的碳涂覆和氮化硅涂覆光纤的研究；光纤带制造技术包括光纤带的结构、涂层、性能、生产工艺，大芯数光纤带状光缆包括层绞式松管、中心松管式、骨架式、干缆芯带状光缆的设计制造技术的最新进展。

关键词：光纤通信低衰耗光纤光纤带光纤带状光缆

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Latest development of double perovskite electrode materials for solid oxide fuel cells: a review

Shammya AFROZE, AfizulHakem KARIM, Quentin CHEOK, Sten ERIKSSON, Abul K. AZAD

《能源前沿（英文）》 2019年第13卷第4期页码 770-797 doi: 10.1007/s11708-019-0651-x

摘要： Recently, the development and fabrication of electrode component of the solid oxide fuel cell (SOFC) have gained a significant importance, especially after the advent of electrode supported SOFCs. The function of the electrode involves the facilitation of fuel gas diffusion, oxidation of the fuel, transport of electrons, and transport of the byproduct of the electrochemical reaction. Impressive progress has been made in the development of alternative electrode materials with mixed conducting properties and a few of the other composite cermets. During the operation of a SOFC, it is necessary to avoid carburization and sulfidation problems. The present review focuses on the various aspects pertaining to a potential electrode material, the double perovskite, as an anode and cathode in the SOFC. More than 150 SOFCs electrode compositions which had been investigated in the literature have been analyzed. An evaluation has been performed in terms of phase, structure, diffraction pattern, electrical conductivity, and power density. Various methods adopted to determine the quality of electrode component have been provided in detail. This review comprises the literature values to suggest possible direction for future research.

关键词： double perovskites electrode materials hydrocarbon fuel solid oxide fuel cells

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深海漂浮式风力机研究及最新进展

高伟,李春,叶舟

《中国工程科学》 2014年第16卷第2期页码 79-87

摘要：

海上风电场建设是风力发电技术的最新方向，随着近海风场深入开发，风场建设从近海到远海是其未来必然的发展趋势，随着海水深度的增加，风力机必须采用漂浮式平台作为基础。本文较为系统地考察了国外深海漂浮式风力机的早期历史、现状及最新研究进展，其中着重介绍了其理论分析、系统仿真和水动力学实验方面的研究，并进一步指出现有研究的种种不足，据此提出新的研究方向和设想。

关键词：深海漂浮式风力机系统仿真水动力实验