Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Xiang-Zhen Meng"'
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 78, Iss 9, Pp 932-935 (2022)
The title compound, C24H19NO, was obtained via the reaction of (1E,2E)-3-(3-methoxyphenyl)-1-phenylprop-2-en-1-one with ethyl 2-oxopropanoate, using NH4I as a catalyst. The compound crystallizes in the monoclinic space group I2/a. In the molecule, th
Externí odkaz:
https://doaj.org/article/9cc21babd6e54f60b2f12c8b5d9c5e22
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 78, Iss 4, Pp 373-376 (2022)
The title compound, C20H23NO2, was obtained via the reaction of N-allyl-N-phenylacrylamide with 3-iodocyclohex-2-en-1-one using PdCl2(PPh3)2 as a catalyst. The compound crystallizes in the monoclinic space group P21/c. The fused-ring system is not pl
Externí odkaz:
https://doaj.org/article/0faeb35d0f0b4a518f91b68a8a2b9f0c
Autor:
Xiang-Zhen Meng, Dong Cheng
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 76, Iss 6, Pp 954-957 (2020)
In the central fused ring system of the title compound, C51H42O5, all of the five-membered rings are in an envelope conformation. The dihedral angle between the two benzene rings in the fused ring system is 74.66 (7)°. In the crystal, molecules are
Externí odkaz:
https://doaj.org/article/78cd4633dfa54c098ab6115991906418
Autor:
Wen-Fa Zhu, Xing-Jie Chen, Zai-Wei Li, Xiang-Zhen Meng, Guo-Peng Fan, Wei Shao, Hai-Yan Zhang
Publikováno v:
Sensors, Vol 19, Iss 21, p 4677 (2019)
High-precision ultrasound imaging of void defects is critical for the performance and safety assessment of ballastless track structures. The sound propagation velocity of each layer in the ballastless track structure is quite different. However, the
Externí odkaz:
https://doaj.org/article/3367ebc6040a45cbb206bc8b3af342f7
Autor:
Xin-Jun Wan, Xiang-Zhen Meng
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 1, Pp o78-o78 (2013)
The molecule of the title compound, C22H23NO3S, adopts an E conformation about the C=C bond. The dihedral angle between the benzene rings is 23.79 (5)°. In the crystal, pairs of N—H...O hydrogen bonds link the molecules, forming inversion dimers.
Externí odkaz:
https://doaj.org/article/f64a9cfe78414196aeb39319b9a65d98
Autor:
Li-Ming Li, Xingjie Chen, Wen-Fa Zhu, Han-Fei Zhang, Cheng Yao, Wei Shao, Guo-Peng Fan, Xiang-Zhen Meng, Haiyan Zhang
Publikováno v:
Insight - Non-Destructive Testing and Condition Monitoring. 63:199-208
Accurate detection of void defects in ballastless track structures has become a core problem that needs urgent resolution for the maintenance and repair of high-speed railway (HSR) line structures in China. In this study, the root mean squaresyntheti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5deac445eaa34187656ec5ba7acddee
https://doi.org/10.1784/insi.2021.63.4.199
https://doi.org/10.1784/insi.2021.63.4.199
Publikováno v:
Acta crystallographica. Section E, Crystallographic communications. 78(Pt 9)
The title compound, C24H19NO, was obtained via the reaction of (1E,2E)-3-(3-methoxyphenyl)-1-phenylprop-2-en-1-one with ethyl 2-oxopropanoate, using NH4I as a catalyst. The compound crystallizes in the monoclinic space group I2/a. In the molecule, th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ae063c133fd7581ef86afd6be5680e05
https://pubmed.ncbi.nlm.nih.gov/36072513
https://pubmed.ncbi.nlm.nih.gov/36072513
Publikováno v:
Acta crystallographica. Section E, Crystallographic communications. 78(Pt 4)
The title compound, C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::a3c7d0e1a2c4d7eff4299712481ad79b
https://pubmed.ncbi.nlm.nih.gov/35492273
https://pubmed.ncbi.nlm.nih.gov/35492273
Autor:
Chao Yu, Beryl Audrey, Andrew Fendt, Xiang Zhen Meng, JingFei Tang, Gayatri Kartoatmodjo, Taiji Wang, Jin Lin
Publikováno v:
Day 1 Tue, September 21, 2021.
The field is located in a large gas producing basin in China and has prominent characteristics such as thin formation thickness, low permeability and poor reservoir connectivity. Horizontal drilling associated with multistage hydraulic fracturing has
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dea83acedf2d71cce251defb44dc3e84
https://doi.org/10.2118/206123-ms
https://doi.org/10.2118/206123-ms
Autor:
Wen-Fa Zhu, Hai-Yan Zhang, Zai-Wei Li, Xiang-Zhen Meng, Guo-Peng Fan, Li-Ming Li, Wei Shao, Xingjie Chen
Publikováno v:
International Journal of Distributed Sensor Networks, Vol 16 (2020)
Void defects under track slabs are the main danger affecting the safe operation of high-speed railways. In the short high-speed railway maintenance periods, China’s high-speed railway line maintenance operations must quickly and dynamically determi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::80c98d86b7ef31a433fb55d22b7cd646
https://doaj.org/article/68969936474d41bd9e198e3ff6f26215
https://doaj.org/article/68969936474d41bd9e198e3ff6f26215