Zobrazeno 1 - 10
of 1 777
pro vyhledávání: '"crystal diffraction"'
Autor:
Fang Liu, Ming Li, Qianshun Diao, Zhe Li, Zhibang Shen, Fan Li, Zhen Hong, Hongkai Lian, Shuaipeng Yue, Qingyan Hou, Changrui Zhang, Dongni Zhang, Congcong Li, Fugui Yang, Junliang Yang
Publikováno v:
Journal of Synchrotron Radiation, Vol 31, Iss 5, Pp 1146-1153 (2024)
Achieving diffraction-limited performance in fourth-generation synchrotron radiation sources demands monochromator crystals that can preserve the wavefront across an unprecedented extensive range. There is an urgent need for techniques of absolute cr
Externí odkaz:
https://doaj.org/article/98e9b62fdaea4475959b3859582fa04f
Autor:
Maria Ivanova, Joana Zaharieva, Martin Tsvetkov, Vesela Lozanova, Bernd Morgenstern, Rumen Lyapchev
Publikováno v:
Molbank, Vol 2024, Iss 3, p M1874 (2024)
For very first time, we report the synthesis of 8-(2-methoxyphenyl)-6-methyl-2-(1-methyl-1H-benzo[d]imidazol-2-yl)quinoline 1. This was achieved in several steps, including usage of the Suzuki reaction for functionalization of 2-(1H-benzo[d]imidazol-
Externí odkaz:
https://doaj.org/article/b2f600d4d5a746bc8d7e6673130c89f1
Autor:
Muhammad Nawaz Shah, Hira Khalid, Sabina Jhaumeer Laulloo, Nausheen Joondan, Muhammad Nadeem Arshad, Abdullah M. Asiri, Hassan Butt
Publikováno v:
Heliyon, Vol 10, Iss 7, Pp e27303- (2024)
Five 2-phenylacetohydrazide derivatives (BPAH = N′-benzylidene-2-phenylacetohydrazide, HBPAH = N’-(2-hydroxybenzylidene)-2-phenylacetohydrazide), PPAH = 2-phenyl-N′-3-phenylallylideneacetohydrazide, FMPAH = N’-(furan-2-ylmethylene)-2-phenylac
Externí odkaz:
https://doaj.org/article/0d45370558e54ec194a10ecdda57c572
Autor:
Xianbo Shi, Zhi Qiao, Paresh Pradhan, Peifan Liu, Lahsen Assoufid, Kwang-Je Kim, Yuri Shvyd'ko
Publikováno v:
Journal of Synchrotron Radiation, Vol 30, Iss 6, Pp 1100-1107 (2023)
The advent of next-generation synchrotron radiation sources and X-ray free-electron lasers calls for high-quality Bragg-diffraction crystal optics to preserve the X-ray beam coherence and wavefront. This requirement brings new challenges in character
Externí odkaz:
https://doaj.org/article/ac97e442163346e7a2504c4e6f3d4512
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 79, Iss 11, Pp 1072-1075 (2023)
The structural parameters of yttrium chromium tetraboride YCrB4 were refined based on single-crystal X-ray diffraction data. YCrB4 is orthorhombic, having a space group of type Pbam (No. 55) and with lattice parameters of a = 5.9425 (2), b = 11.4831
Externí odkaz:
https://doaj.org/article/bb65ed6dd3a448edae82f9583b4d5a25
Publikováno v:
Фізика і хімія твердого тіла, Vol 24, Iss 3, Pp 448-452 (2023)
The new ternary intermetallic compound ZrAl0.23Ge1.77 was observed after annealing at 600°C, and its crystal structure was determined by X-ray single-crystal diffraction. The structure (own structure type, Pearson symbol tI32-8, space group I41/amd,
Externí odkaz:
https://doaj.org/article/1941b3ffda37453592e122145fb12dc7
Autor:
Shicheng Hou, Tai Li, Jiangqing Yan, Dong Cai, Yang Peng, Haibo Zhang, Feng Tong, Haiming Fan, Xiaoping Liu, Chun Hu
Publikováno v:
Heliyon, Vol 10, Iss 3, Pp e24589- (2024)
Based on the observed biological activity of 1,2,4-triazin-5-one derivatives and their cyclic analogues, a novel series of 7H-thiazolo[3,2-b]-1,2,4-triazin-7-one derivatives that contain ester moiety compounds 3a-3g, carboxylic acid moiety compounds
Externí odkaz:
https://doaj.org/article/1d06110138cd4b0f9ade38d089dbb054
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 79, Iss 2, Pp 116-119 (2023)
The structures of ammonium manganese(II) dialuminium tris(phosphate) dihydrate, (NH4)MnAl2(PO4)3·2H2O, and ammonium nickel(II) dialuminium tris(phosphate) dihydrate, (NH4)NiAl2(PO4)3·2H2O, were determined using single-crystal diffraction data. The
Externí odkaz:
https://doaj.org/article/bcd4003ba19344b7bba99314bb25a5dd
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