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(2011-2015).......................... s(2015-2017)...........................................(2017-2020)

• As 1st-author or supervisor (*)

• Chemistry in protoplanetary system . (Dec. 2017-present)

. . . . ©️ S-bearing species in the protoplanetary disks (Feng et al., in prep.)

. . . . ©️ The chemical segregation toward protostellar disk GSS30 (Feng et al., in prep.)

• Chemical processes in extreme environments . (Mar. 2016-present)

. . . . ©️ Seeds of Life in Space (SOLIS). IX. Chemical Segregation of SO2 and SO toward the Low-mass Protostellar Shocked Region of L1157 (Feng et al., vol 896, 37F, 2020 ApJ.)

. . . . ©️ Sulfur-bearing chemistry in the bow shock region L1157-B1 (Feng et al., in prep.)

. . . . ©️ Temperature profile of bow shock region L1157 B1-B2 (Feng et al., subm.)

• Initial condition of high-mass star-forming regions . (Sep. 2013-present)

. . . . ©️ Sequential physical and chemical properties of the molecular clumps along the rim of an infrared bubble (Feng in prep.)

. . . . ©️ The chemical structure of young high-mass star-forming clumps: (II) pc-scale CO depletion (Feng et al. subm.)

. . . . ©️ The chemical structure of young high-mass star-forming clumps: (I) Deuteration (Feng et al., vol 883, 202F, 2019 ApJ.)

. . . . ©️ *Zooming Into the Methanol Peak of the Prestellar Core L1544 (Punanova et al. vol 855, 112P, 2018 ApJ)

. . . . ©️ Outflow detection in a 70 µm dark high-mass core (Feng et al., A100, Volume 828, September 2016, ApJ)

. . . . ©️ Are Infrared Dark Clouds Really Quiescent? (Feng et al., A21, Volume 592, July 2016, A&A)

• Chemical sub-structure of high-mass star-forming regions . (Sep. 2011-present)

. . . . ©️ The accretion flows via streaming structure of NGC7538 IRS9 (Feng et al., in prep.)

. . . . ©️ The successive bow shocks of a high-mass disk candidate (Feng et al., in prep.)

. . . . ©️ *Sulfur chemistry in the Orion-KL (Luo et al. vol 885, 82, 2019 ApJ)

.. . . .©️ Inferring the Evolutionary Stages of the internal structures of NGC 7538 S and IRS1 from Chemistry

(Feng et al., A46, Volume 593, September 2016, A&A)

. . . . ©️ Resolving the Chemical Substructure of Orion-KL, ( Feng et al., A71, Volume 581, September 2015, A&A.)

• What can chemistry tell us about the initial conditions and feedbacks of star-formation..(PSF coffee, Heidelberg, Oct. 2019)

• What can chemistry tell us about the initial conditions and feedbacks of star-formation..(Nanjing University Seminar, Sep. 2019)

• What can chemistry tell us about the initial conditions and feedbacks of star-formation..(ISM workshop, Xinjiang, Jul. 2019)

• What can chemistry tell us about the initial conditions and feedbacks of star-formation..(NAOJ seminar, Mitaka, Japan, Jun. 2019)

• Star-forming activities towards extremely cold, young, high-mass star-forming regions..( "Tracing the flow", Jul. 2018)

• Astrochemistry tool: from the star formation to the cradle of life..(Visit UCL, London, Jul. 2018)

• Astrochemistry tool: from the star formation to the cradle of life..(Visit EAO,Hilo, May. 2018)

• Deuteration in the earliest phase of high-mass star formation..("Interstellar matter 2018", Sapporo, Nov. 2018)

• Sequential physical and chemical properties of the molecular clumps along the rim of an infrared bubble ("ALMA/Nobeyama/ASTE workshop", . 2017)

• Deuteration in the earliest phase of high-mass star formation..("MPIA star formation coffee", Heidelberg, Jul. 2017)

• G28.34S, a prestellar or protostellar object?..("EA-ALMA 2017 meeting", Mar. 2017)

• Astrochemistry tool: from the star formation to the cradle of life..(Visit ASIAA, Mar. 2017)

• Outflow detection in a 70 micron dark high-mass core ..( "European Week of Astronomy and Space Science 2016", Athens, Jul. 2016)

• Complex Organics in high-mass star-forming regions ..( "Complex Organic Molecules in Space", Pisa, Mar. 2016)

• Chemistry and kinematics in high-mass star-forming regions ..( Visit in NJU, NAOC, KIAA, SAO, Jan. 2016)

• Are the Infrared Dark Clouds Really Quiescent? ..("From clouds to protoplanetary disks: the astrochemical link", Berlin, Oct. 2015)

• Are the Infrared Dark Clouds Really Quiescent? ..("Soul of High-Mass Star Formation", Puerto Varas, Chile, Mar. 2015)

• Chemical Substructure of High-mass Star-forming Regions ..("Soul of High-Mass Star Formation", Puerto Varas, Chile, Mar. 2015)

• Complex Organic Molecules in Hot Molecule Cores ..("Chemical diagnostics of star and planet formation with Cycle 3 ALMA", Garching bei Munchen, Jan. 2015)

• Chemical Substructure of High-mass Star-forming Regions ..("Joint colloquium of MPIA and LSW", Heidelberg, Dec. 2014)

• Chemical Substructure within High-mass Star-forming Region NGC 7538 ..("Chemical Diagnostics in the ALMA/NOEMA Era", Heidelberg, Jul. 2014)

• Chemical Differentiation within High-mass Star-forming Region NGC 7538 ..("Harvard-Heidelberg Visualization and Star Formation Workshop", Heidelberg, Jun. 2014)

• Chemical Differentiation within High-mass Star-forming Region NGC 7538 ..("The Early Phase of Star Formation 2014 ", Ringberg Castle, Jun. 2014)

• Chemical Substructure of High-mass Star-forming Regions ..("Radio and Geoastronomy Lunch Talk" , Harvard–Smithsonian Center for Astrophysics, Cambridge, MA, Feb. 2014)

• Inferring the Evolutionary Stages of High-mass Star-forming Regions from Chemistry ..(Talk on "223rd American Astronomical Society Meeting", Washington, DC , Jan. 2014)

• Chemical Substructure of High-mass Star-forming Regions ..(Talk on "Planet & Star Formation Seminar", Heidelberg, Dec. 2013)

• Inferring the Evolutionary Stages of High-mass Star-forming Regions from Chemistry ..(Talk on Conference of "17th Deutsche Physikerinnentagung", Heidelberg, Nov. 2013)

• Resolving the Chemical Substructure of Orion-KL ..(Poster on Conference of "Protostars & Planets VI", Heidelberg, Jul. 2013) (+talk about the poster)

• Chemical Evolution at Small Scales in High-mass Star Forming Region NGC7538 ..(Talk on Conference of "Astrochemistry in the ALMA era", Copenhagen, Jan. 2013)

• Line Imaging of Orion-Kl at 230GHz with SMA and IRAM 30m Telescope ..(Poster on Conference of "Astrochemistry in the ALMA era", Copenhagen, Jan. 2013)

• Chemical Sub-structure at Small Scale in NGC7538S & NGC7538IRS1 ..(Poster at Lorentz Center, Leiden, "High-Mass Star Formation, From Large to Small Scales in the Era of Herschel & ALMA", Jan. 2013)

• Chemical sub-structure of Orion-Kl from SMA ..(Talk at Bar-sur-Seine, 2012 MPIA Students Workshop, Mar. 2012)

• Statistical Characteristics of Interstellar Turbulence ..(Talk on the 7th Generation IMPRS Seminar, Jan. 2012)

• Chemical sub-structure of high-mass star-forming regions ..(Poster at Observatoire de Paris, 2011 Young Astronomers' Meeting (YAM) , Nov. 2011)