Fengfeng Wang

ORCID: 0000-0002-8367-1082
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About
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Research Areas
  • Particle accelerators and beam dynamics
  • Superconducting Materials and Applications
  • Particle Accelerators and Free-Electron Lasers
  • Advanced Photocatalysis Techniques
  • Ammonia Synthesis and Nitrogen Reduction
  • Gyrotron and Vacuum Electronics Research
  • Parasites and Host Interactions
  • Muon and positron interactions and applications
  • Zoonotic diseases and public health
  • Fluid Dynamics and Heat Transfer
  • Surface Modification and Superhydrophobicity
  • Caching and Content Delivery
  • Magnetic confinement fusion research
  • Gas Sensing Nanomaterials and Sensors
  • Covalent Organic Framework Applications
  • Electronic Packaging and Soldering Technologies
  • Power Systems and Renewable Energy
  • Copper-based nanomaterials and applications
  • High-Voltage Power Transmission Systems
  • Energy, Environment, Agriculture Analysis
  • Fluid Dynamics Simulations and Interactions
  • Inertial Sensor and Navigation
  • MXene and MAX Phase Materials
  • Electrocatalysts for Energy Conversion
  • Advanced Welding Techniques Analysis

Institute of Modern Physics
2014-2024

Chinese Academy of Sciences
2014-2024

National Institutes for Food and Drug Control
2022-2024

Ji Hua Laboratory
2024

Jiangsu University
2021-2023

Lanzhou University of Technology
2021-2022

Heilongjiang Bayi Agricultural University
2021

University of Chinese Academy of Sciences
2014

China Three Gorges University
2011

Energy Research Institute
2010

10.1016/j.colsurfa.2022.128412 article EN Colloids and Surfaces A Physicochemical and Engineering Aspects 2022-01-26

Photoelectrochemical nitrate reduction reaction (PEC NIRR) could convert the harmful pollutant (NO3-) to high-value-added ammonia (NH3) under mild conditions. However, catalysts are currently hindered by low catalytic activity and slow kinetics. Here, we reported a heterostructure composed of CeO2 BiVO4, "frustrated Lewis pairs (FLPs)" concept was introduced for understanding role acids bases on PEC NIRR. The electron density difference maps indicated that FLPs were significantly active...

10.1021/acs.inorgchem.2c04208 article EN Inorganic Chemistry 2023-01-23

Entropy regulation makes an amorphous metal oxide/p-BiVO 4 heterostructure a desirable catalyst for the NO 3 − reduction reaction in photoelectrochemical system.

10.1039/d1qi01472b article EN Inorganic Chemistry Frontiers 2022-01-01

Abstract The design, construction, and commissioning of a novel liquid helium-free (LHe-free) Nb 3 Sn superconducting radio frequency (SRF) electron accelerator at the Institute Modern Physics Chinese Academy Sciences (IMP, CAS) will be presented. A 650 MHz 5-cell elliptical cavity was coated using tin vapor diffusion method for beam acceleration. slowly cooled down across 18 K with high-precision collaborative control ten individual GM cryocoolers. This process accompanied by characteristic...

10.1088/1361-6668/ad9998 article EN cc-by Superconductor Science and Technology 2024-12-02

A superconducting ion-Linac (iLinac), which is supposed to work as the injector in High Intensity heavy-ion Accelerator Facility project, under development at Institute of Modern Physics (IMP), Chinese Academy Sciences. The iLinac a heavy ion linear accelerator approximately 100 meters long and contains 96 cavities two types 17 cyromodules. Two resonators (quarter-wave with frequency 81.25 MHz an optimal beta β = v/c 0.07 called QWR007 half-wave 162.5 0.15 HWR015) have been investigated....

10.1016/j.net.2023.04.010 article EN cc-by-nc-nd Nuclear Engineering and Technology 2023-04-14

10.1016/j.nima.2017.06.045 article EN Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment 2017-07-08

10.1016/j.nima.2018.02.047 article EN Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment 2018-02-17

10.1016/j.nima.2018.06.044 article EN Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment 2018-06-25

CiADS (China initiative Accelerator Driven System) approved by Chinese government at 2016 aims to build the first ADS experimental facility demonstrate nuclear waste transmutation. The driving linac can accelerate 5 mA proton beam 500 MeV power up 2.5 MW with state-of-the-art accelerator technologies. challenging programs include loss control-oriented physics design, high performance CW operated superconducting cavities, SRF cryomod-ules, and highly efficient RF amplifier system. As of...

10.18429/jacow-ipac2019-mopts059 article EN 10th Int. Particle Accelerator Conf. (IPAC'19), Melbourne, Australia, 19-24 May 2019 2019-06-24

As a part of R&D work for the high intensity proton linac China Accelerator Driven Sub-critical System project, superconducting half-wave cavity with frequency 162.5 MHz and an optimal beta 0.15 (HWR015) has been developed at Institute Modern Physics (IMP), Chinese Academy Sciences. In this paper, design test results will be described in detail. We introduced new stiffening strategy HWR cavity, simulation show that much lower sensitivity coefficient (df/dp), Lorentz force detuning (KL), can...

10.1016/j.net.2020.01.014 article EN cc-by-nc-nd Nuclear Engineering and Technology 2020-01-24

We evaluated the efficacy of three vaccine formulations containing different combinations proteins (43K OMP, leukotoxin recombinant protein PL4 and hemolysin H2) killed whole cell Fusobacterium necrophorum in preventing liver abscess. Four subcutaneous vaccines were formulated: 1 OMP), 2 (PL4 H2), 3 4 (killed bacterial cell). 43K PL4, H2 produced by using expression. To evaluate efficacy, we randomly allocated 50 BALB/c female mice to one five treatment groups: PBS control group, 1, 2, 3, 4....

10.3389/fvets.2021.780377 article EN cc-by Frontiers in Veterinary Science 2021-12-06

10.1007/s10854-020-04882-7 article EN Journal of Materials Science Materials in Electronics 2021-01-01

The China Accelerator Driven Subcritical System (China-ADS) project, which is a strategic plan and aims to design build an ADS demonstration facility, has been proposed launched actively in China. Injector II as one of the parallel injectors China-ADS, prompted by Institute Modern Physics (IMP). In this paper, new scheme with full period lattice structure for SC section proposed. scheme, there are sixteen periods, superconducting solenoid cavity included each period. All elements contained...

10.1088/1674-1137/38/11/117006 article EN Chinese Physics C 2014-11-01

A superconducting squeezed type half-wave resonator (HWR) of β=0.09 has been developed at the Institute Modern Physics, Lanzhou. In this paper, a basic design is presented for stiffening structure detuning effect caused by helium pressure and Lorentz force. The mechanical modal analysis investigated with finite element method (FEM). Based on these considerations, new proposed HWR cavity. computation results concerning frequency shift show that low beta cavity sensitivity coefficient df/dp...

10.1088/1674-1137/38/8/087005 article EN Chinese Physics C 2014-08-01

A 162.5 MHz superconducting half-wave resonator (HWR) with geometry beta of 0.09 is being developed for Injector II China Accelerator Driven Sub-critical System (CADS) Project at the Institute Modern Physics (IMP).The HWR section composed 16 cavities will accelerate proton beam from 2.1 MeV to 10 MeV.The RF and mechanical coupled analysis are essential in design order predict deformation cavity walls frequency shift caused by deformation.In this paper, detuning both bath helium pressure...

10.1088/1674-1137/38/6/067007 article EN Chinese Physics C 2014-06-01
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