Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Jian-chun Qin"'
Autor:
Yan-Duo Wang, Cheng-Gang Song, Jian Yang, Tao Zhou, Yu-Yang Zhao, Jian-Chun Qin, Lan-Ping Guo, Gang Ding
Publikováno v:
Frontiers in Chemistry, Vol 9 (2021)
Analysis, purification, and characterization of AFB1 degraded products are vital steps for elucidation of the photocatalytic mechanism. In this report, the UPLC-Q-TOF-MS/MS technique was first coupled with purification and NMR spectral approaches to
Externí odkaz:
https://doaj.org/article/669ddbef7cc349abb9cb7f3b7d9f0e98
Publikováno v:
Advanced Science, Vol 8, Iss 9, Pp n/a-n/a (2021)
Abstract Agricultural chemicals have been widely utilized to manage pests, weeds, and plant pathogens for maximizing crop yields. However, the excessive use of these organic substances to compensate their instability in the environment has caused sev
Externí odkaz:
https://doaj.org/article/59cf742f6ec041b5a7c8898cb4266e18
Autor:
Sheng-Xiang Yang, Cheng-Gang Song, Yi Kuang, Bing Liu, Yan-Xin Zhang, Ming-Zhe Zhang, Chun-Ying Zhang, Gang Ding, Jian-Chun Qin
Publikováno v:
Molecules, Vol 25, Iss 5, p 1222 (2020)
Three new inositol angelate compounds (1−3) and two new tirucallane-type alkaloids (4 and 5) were isolated from the Amoora dasyclada, and their structures were established mainly by means of combination of 1D and 2D nuclear magnetic resonance and H
Externí odkaz:
https://doaj.org/article/018cf3fad45e47a6b638bc26c6b63baa
Publikováno v:
Advances in Materials Science and Engineering, Vol 2018 (2018)
Taking the superfine tailings slurry (STS), fine tailings slurry (FTS), and unclassified tailings slurry (UTS) of a gold mine as examples, a series of laboratory shear tests were conducted to investigate the effect of anionic polyacrylamide (APAM) on
Externí odkaz:
https://doaj.org/article/d7f743f92ebd48a5a7845629feaca5ed
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 5, Pp o1087-o1087 (2009)
In the title compound, C13H9BrO2, the benzene and furan rings form a dihedral angle of 44.35 (14)°. The crystal packing exhibits no significantly short intermolecular contacts.
Externí odkaz:
https://doaj.org/article/63a94b088c994ed5a4df196044b67747
Autor:
Cheng-Gang Song, Yu-Qing Liu, Gang Ding, Jian Yang, Chun-Yu Wang, Jia-Rui Wu, Gengxin Wu, Meng-Hao Li, Lan-Ping Guo, Jian-Chun Qin, Ying-Wei Yang
Publikováno v:
ACS Applied Nano Materials. 5:18930-18939
Autor:
Jian-Chun Qin, Xuehui Gao, Chuan Chen, Qian Dong, Du-Qiang Luo, Ziyue Zhao, Runlei Yang, Huibin Xu
Publikováno v:
ACS Omega
ACS Omega, Vol 5, Iss 40, Pp 25927-25935 (2020)
ACS Omega, Vol 5, Iss 40, Pp 25927-25935 (2020)
Phomoxanthone A and B (PXA and PXB) are xanthone dimers and isolated from the endophytic fungus Phomopsis sp. By254. The results demonstrated that PXB and PXA are noncompetitive inhibitors of SHP2 and PTP1B and competitive inhibitors of SHP1. Molecul
Publikováno v:
International Journal of Minerals, Metallurgy and Materials. 27:1065-1074
The composition of tailings particles in mines plays a key role in the flocculation settlement of slurries. To study the influence of coarse particle tailings (CPTs) on the flocculation settlement of tailings slurries (TSs), static flocculent settlin
Publikováno v:
The Journal of Antibiotics. 73:471-474
Four 10-membered ring resorcylic acid lactones (RALs) including a new compound hispidulactone F (1) and three known analogs hispidulactone B (2), 2 R, 4R-sonnerlactone (3), and 2 R, 4S-sonnerlactone (4) were isolated from the special bioenvironmental
Publikováno v:
RSC Advances. 10:1946-1955
1 H-NMR spectra provide abundant diagnostic information including chemical shift values, splitting patterns, coupling constants, and integrals. Thus some key functional groups, and even planar structures could be elucidated on the basis of carefully