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Bicontinuous porous membranes with micro-nano composite structure using a facile atomization-assisted

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 8,   Pages 1268-1280 doi: 10.1007/s11705-022-2143-5

Abstract: The micro-nano composite structure can endow separation membranes with special surface properties, butBy using this method, a bicontinuous porous microfiltration membrane with robust micro-nano compositeThe formation mechanism of the micro-nano composite structure was proposed.hydrogen bonding between polyacrylonitrile and polyvinylpyrrolidone molecules should have resulted in the nano-protrusions

Keywords： atomization     nonsolvent induced phase separation     bicontinuous porous structure     micro-nano composite    

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Recent advances in micro- and nano-machining technologies

Shang GAO, Han HUANG

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 1,   Pages 18-32 doi: 10.1007/s11465-017-0410-9

Abstract: The miniaturization of devices in different fields requires production of micro- and nano-scale componentsThis paper reviewed the recent advances in micro- and nano-machining technologies, including micro-cutting, micro-electrical-discharge machining, laser micro-machining, and focused ion beam machining.

Keywords： micro machining     cutting     electro discharge machining (EDM)     laser machining     focused ion beam (FIB)    

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Recent advances in ultrasonic-assisted machining for the fabrication of micro/nano-textured surfaces

Shaolin XU,Tsunemoto KURIYAGAWA,Keita SHIMADA,Masayoshi MIZUTANI

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 1,   Pages 33-45 doi: 10.1007/s11465-017-0422-5

Abstract: this paper, the state of art of ultrasonic-assisted machining technologies used for fabrication of micro/nano-textured surfaces is reviewed.Finally, the challenges in using the RUT method to fabricate micro/nano-textured surfaces are discussed

Keywords： ultrasonic-assisted machining     textured surface     micro/nano-structures     functional performance    

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Fabrication of micro/nano-structures by electrohydrodynamic jet technique

Dazhi WANG, Xiaojun ZHAO, Yigao LIN, Tongqun REN, Junsheng LIANG, Chong LIU, Liding WANG

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 4,   Pages 477-489 doi: 10.1007/s11465-017-0461-y

Abstract:

Electrohydrodynamic jet (E-Jet) is an approach to the fabrication of micro/nano-structures by theincludes E-Jet deposition and E-Jet printing, has a wide range of applications in the fabrication of micro/nano-structures for micro/nano-electromechanical system devices.This technique is also considered a micro/nano-fabrication method with a great potential for commercial

Keywords： electrohydrodynamic jet deposition     electrohydrodynamic jet printing     micro/nano-structures     film    

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Strengthening of polysulfone membranes using hybrid mixtures of micro- and nano-scale modifiers

Peyman P. Selakjani, Majid Peyravi, Mohsen Jahanshahi, Hamzeh Hoseinpour, Ali S. Rad, Soodabeh Khalili

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1,   Pages 174-183 doi: 10.1007/s11705-017-1670-y

Abstract: Polysulfone (PSf) membranes were modified by either a new organic modifier (sulfonated poly(ether sulfide sulfone), SPESS) or a traditional modifier (rice hulk). These membranes were further reinforced with either multi-walled carbon nanotubes (MWCNTs) or silica nanoparticles. Having a dye rejection of 98.46%, the reinforced membranes increased more than 50% in strength but no change in solution flux was observed. The morphological and roughness studies were conducted using scanning electron microscopy and atomic force microscopy. Moreover, the PSF membranes were also characterized by differential scanning calorimetry. Modifying the membranes with organic modifier or nanofiller increases the glass transition temperature ( ). The highest and strength were observed for the PSf-SPESS-MWCNT membrane. SPESS decreases surface roughness but MWCNT increases roughness on the nanoscale. All membranes show a bimodal pore size distribution, whereas the PSf-SPESS-MWCNT membrane exhibits a relatively uniform distribution of macroscopic and microscopic pores.

Keywords： polysulfone membrane     mechanical properties     micro- and nano-modification     binary and ternary system     dye    

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Optimizing the compressive strength of concrete containing micro-silica, nano-silica, and polypropylene

Fatemeh ZAHIRI, Hamid ESKANDARI-NADDAF

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 821-830 doi: 10.1007/s11709-019-0518-6

Abstract: Many studies have evaluated the effects of additives such as nano-silica (NS), micro-silica (MS) and

Keywords： mixture method     compressive strength     nano-silica     micro-silica     polypropylene fibers    

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Design, development, and performance of an ammonia self-managed vaporization propulsion system for micro-nano Regular Article

Shu-jian Sun, Tao Meng, Zhong-he Jin,sunshujian@zju.edu.cn,mengtao@zju.edu.cn

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 11,   Pages 1516-1529 doi: 10.1631/FITEE.1800068

Abstract: An ammonia propulsion (ASVP) system for s is presented. Compared with a normal cold gas or liquefied gas propulsion system, a multiplex parallel sieve type vaporizer and related vaporization control methods are put forward to achieve of liquefied propellant. The problems of high vaporization latent heat and incomplete vaporization of are solved, so that the ASVP system takes great advantage of high theoretical specific impulse and high propellant storage density. Furthermore, the ASVP operation procedure and its physical chemistry theories and mathematical models are thoroughly analyzed. An optimal strategy of thrust control is proposed with consideration of thrust performance and energy efficiency. The ground tests indicate that the ASVP system weighs 1.8 kg (with 0.34-kg propellant) and reaches a specific impulse of more than 100 s, while the power consumption is less than 10 W. The ASVP system meets multiple requirements including high specific impulse, low power consumption, easy fabrication, and uniform adjustable thrust output, and thus is suitable for s.

Keywords： 自主汽化管理；液氨；毫牛量级推进技术；微推力；高精度轨道控制；微纳卫星    

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Editorial for the Special Issue on Micro and Nano Manipulation and Characterization

Yu Sun, Sergej Fatikow, Xinyu Liu

Engineering 2023, Volume 24, Issue 5,   Pages 1-2 doi: 10.1016/j.eng.2023.04.006

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Micro － blind mesh thermal control study and simulation of nano-satellite

Yang Juan,Li Yunze,Wang Jun

Strategic Study of CAE 2008, Volume 10, Issue 7,   Pages 169-172

Abstract:

The limits of nano-satellite's volume and quality may cause a highMicro-blind mesh can resolve this problem properly.The intelligent control strategy of micro-blind mesh' s drive is the key technology.A dynamic characteristics model of the spherical nano-satellite was established.Based on the model,a

Keywords： nano-satellite     micro-blind mesh     fuzzy PI controller     simulation    

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Preparation and photocatalytic kinetics of nano-ZnO powders by precipitation stripping process

ZHANG Dongxiang, XUE Min, XU Hang, XU Wenguo, TARASOV V

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 319-324 doi: 10.1007/s11705-008-0051-y

Abstract: The results show that some zinc oxide powders were micro-multipore materials with hexagonal crystal.

Keywords： 2-ethylhexyl     micro-multipore     Photo-Layer     hexagonal     methylene    

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Parametric study on the mixed solvent synthesis of ZIF-8 nano- and micro-particles for CO adsorption:

Alireza Hadi, Javad Karimi-Sabet, Abolfazl Dastbaz

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 4,   Pages 579-594 doi: 10.1007/s11705-018-1770-3

Abstract: The room temperature synthesis of ZIF-8 micro- and nano-particles was investigated using a mixed methanol-water

Keywords： metal organic frameworks     zeolitic imidazolate frameworks     ZIF-8     response surface methodology     Box Behnken design     CO adsorption    

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Triboelectric nanogenerators: the beginning of blue dream

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 6,   Pages 635-678 doi: 10.1007/s11705-022-2271-y

Abstract: Wave energy is inexhaustible renewable energy. Making full use of the huge ocean wave energy resources is the dream of mankind for hundreds of years. Nowadays, the utilization of water wave energy is mainly absorbed and transformed by electromagnetic generators (EMGs) in the form of mechanical energy. However, waves usually have low frequency and uncertainty, which means low power generation efficiency for EMGs. Fortunately, in this slow current and random direction wave case, the triboelectric nanogenerator (TENG) has a relatively stable output power, which is suitable for collecting blue energy. This article summarizes the main research results of TENG in harvesting blue energy. Firstly, based on Maxwell’s displacement current, the basic principle of the nanogenerator is expounded. Then, four working modes and three applications of TENG are introduced, especially the application of TENG in blue energy. TENG currently used in blue energy harvesting is divided into four categories and discussed in detail. After TENG harvests water wave energy, it is meaningless if it cannot be used. Therefore, the modular storage of TENG energy is discussed. The output power of a single TENG unit is relatively low, which cannot meet the demand for high power. Thus, the networking strategy of large-scale TENG is further introduced. TENG’s energy comes from water waves, and each TENG’s output has great randomness, which is very unfavorable for the energy storage after large-scale TENG integration. On this basis, this paper discusses the power management methods of TENG. In addition, in order to further prove its economic and environmental advantages, the economic benefits of TENG are also evaluated. Finally, the development potential of TENG in the field of blue energy and some problems that need to be solved urgently are briefly summarized.

Keywords： blue energy     triboelectric nanogenerator     water wave energy     networking strategy     micro/nano-energy    

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Utilization of nano/micro-size iron recovered from the fine fraction of automobile shredder residue for

Jiwan SINGH, Yoon-Young CHANG, Jae-Kyu YANG, Seon-Hong KANG, Janardhan Reddy KODURU

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 4, doi: 10.1007/s11783-016-0848-8

Abstract: ultrasonically assisted acid treatment, and the degradation of phenol in an aqueous solution using nano/micro-size Fe (n/m Fe) was investigated in an effort to evaluate the possibility of utilizing n/m Fe

Keywords： Automobile shredder residue (ASR)     Fe     Phenol     Scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR)     Mechanism    

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The Geoscience Frontier of Gulong Shale Oil: Revealing the Role of Continental Shale from Oil Generation to Production Article

Wenyuan He, Rukai Zhu, Baowen Cui, Shuichang Zhang, Qian Meng, Bin Bai, Zihui Feng, Zhengdong Lei, Songtao Wu, Kun He, He Liu, Longde Sun

Engineering 2023, Volume 28, Issue 9,   Pages 79-92 doi: 10.1016/j.eng.2022.08.018

Abstract: The shale oil mainly occurs in micro- and nano-pores, bedding
fractures, and lamellar fractures

Keywords： Gulong shale     Gulong shale oil     Micro-nano pores     Lamellar fracture     Continental oil production    

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Title Author Date Type Operation

Bicontinuous porous membranes with micro-nano composite structure using a facile atomization-assisted

Journal Article

Liu He: Application of Micro-nano Technology in Petroleum Engineering (2019-8-26)

刘合(院士)

20 Jan 2021

Conference Videos

Recent advances in micro- and nano-machining technologies

Shang GAO, Han HUANG

Journal Article

Recent advances in ultrasonic-assisted machining for the fabrication of micro/nano-textured surfaces

Shaolin XU,Tsunemoto KURIYAGAWA,Keita SHIMADA,Masayoshi MIZUTANI

Journal Article

Fabrication of micro/nano-structures by electrohydrodynamic jet technique

Dazhi WANG, Xiaojun ZHAO, Yigao LIN, Tongqun REN, Junsheng LIANG, Chong LIU, Liding WANG

Journal Article

Strengthening of polysulfone membranes using hybrid mixtures of micro- and nano-scale modifiers

Peyman P. Selakjani, Majid Peyravi, Mohsen Jahanshahi, Hamzeh Hoseinpour, Ali S. Rad, Soodabeh Khalili

Journal Article

Optimizing the compressive strength of concrete containing micro-silica, nano-silica, and polypropylene

Fatemeh ZAHIRI, Hamid ESKANDARI-NADDAF

Journal Article

Design, development, and performance of an ammonia self-managed vaporization propulsion system for micro-nano

Shu-jian Sun, Tao Meng, Zhong-he Jin,sunshujian@zju.edu.cn,mengtao@zju.edu.cn

Journal Article

Editorial for the Special Issue on Micro and Nano Manipulation and Characterization

Yu Sun, Sergej Fatikow, Xinyu Liu

Journal Article

Micro － blind mesh thermal control study and simulation of nano-satellite

Yang Juan,Li Yunze,Wang Jun

Journal Article

Preparation and photocatalytic kinetics of nano-ZnO powders by precipitation stripping process

ZHANG Dongxiang, XUE Min, XU Hang, XU Wenguo, TARASOV V

Journal Article

Parametric study on the mixed solvent synthesis of ZIF-8 nano- and micro-particles for CO adsorption:

Alireza Hadi, Javad Karimi-Sabet, Abolfazl Dastbaz

Journal Article

Triboelectric nanogenerators: the beginning of blue dream

Journal Article

Utilization of nano/micro-size iron recovered from the fine fraction of automobile shredder residue for

Jiwan SINGH, Yoon-Young CHANG, Jae-Kyu YANG, Seon-Hong KANG, Janardhan Reddy KODURU

Journal Article

The Geoscience Frontier of Gulong Shale Oil: Revealing the Role of Continental Shale from Oil Generation to Production

Wenyuan He, Rukai Zhu, Baowen Cui, Shuichang Zhang, Qian Meng, Bin Bai, Zihui Feng, Zhengdong Lei, Songtao Wu, Kun He, He Liu, Longde Sun

Journal Article