Zobrazeno 1 - 10
of 253
pro vyhledávání: '"Zhi-qiang FENG"'
Publikováno v:
IEEE Access, Vol 11, Pp 106567-106579 (2023)
Zernike radial polynomials (ZRP) play a significant role in application areas such as optics design, imaging systems, and image processing systems. Currently, there are two kinds of numerical schemes for computing the ZRP automatically with computer
Externí odkaz:
https://doaj.org/article/1bb6452964df420c8aa36865255f44da
Publikováno v:
Geomatics, Natural Hazards & Risk, Vol 12, Iss 1, Pp 2956-2983 (2021)
Rockburst hazard is one of the most outstanding problems in deep rock mechanics, which has become the bottleneck for deep underground engineering in China. Rockburst occurs with some evident precursors, however, the rockburst mechanism is not clearly
Externí odkaz:
https://doaj.org/article/bda2c065c4464e20b491465c73298c84
Publikováno v:
Advances in Civil Engineering, Vol 2018 (2018)
The bipotential theory allows us to describe nonassociated material laws. In this paper, we propose its application to the Drucker–Prager model. With a new description of the implicit flow rules, we propose dual constitutive cones as well as five f
Externí odkaz:
https://doaj.org/article/e66394c2b4c44818b30218f82c154350
Publikováno v:
Kaohsiung Journal of Medical Sciences, Vol 31, Iss 1, Pp 18-25 (2015)
The effects of a large-piece of xenogeneic bone that was separated from healthy pigs as a scaffold for the repair of a mandibular defect was investigated, and the applicability of antigen-extracted xenogeneic cancellous bone (AXCB) soaked with recomb
Externí odkaz:
https://doaj.org/article/e48bf39f902747989ea3369c99e5c297
Autor:
Hui-peng Song, Kang Tian, Lei Lei, Zhu-fang Shen, Shou-xin Liu, Li-juan Zhang, Hong-rui Song, Xiao-feng Jin, Zhi-qiang Feng
Publikováno v:
Acta Pharmaceutica Sinica B, Vol 1, Iss 3, Pp 166-171 (2011)
A series of novel N-(pyrimidin-4-yl)thiazol-2-amine derivatives have been synthesized and evaluated as glucokinase (GK) activators. Ethyl 2-(6-(4-(2-hydroxyethyl)piperazin-1-yl)-2-methylpyrimidin-4-yl-amino)thiazole-5-carboxylate was found to be a po
Externí odkaz:
https://doaj.org/article/041b60cc84c042fba1f86dc3483ce748
Autor:
Wen-zhi ZHAO, Cai-neng ZOU, Zhi-qiang FENG, Su-yun HU, Yan ZHANG, Ming LI, Yu-hua WANG, Tao YANG, Hui YANG
Publikováno v:
Petroleum Exploration and Development, Vol 35, Iss 2, Pp 129-142 (2008)
Abstract: The significant breakthrough of natural gas exploration in deep-seated volcanic rocks of Songliao Basin, China, demonstrates that the volcanic rocks as reservoirs can form natural gas accumulations where excellent source–reservoir–capro
Externí odkaz:
https://doaj.org/article/0d569027f46e43e9abb1d6051c58ac4b
Publikováno v:
The Scientific World Journal, Vol 2013 (2013)
Two new metal complexes involving Schiff base ligands, namely, [Pd(L1)2] (1) and [Zn(L2)2] (2), [HL1: 2,4-dibromo-6-((E)-(mesitylimino)methyl)phenol and HL2: 2-((E)-(2,6-diisopropylphenylimino)methyl)-4,6-dibromophenol], have been solvothermally synt
Externí odkaz:
https://doaj.org/article/b8ecc56eaa6c44c6940f641345081fd1
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 12, Pp o3346-o3346 (2012)
The title compound, C7H10N2, was synthesized from 2-methyl-6-nitroaniline by a reduction reaction. In the crystal, molecules are linked via N—H...N hydrogen bonds, forming two-dimensional networks lying parallel to (100). These networks are stabili
Externí odkaz:
https://doaj.org/article/db1e5d2d02854ea5b67df2b88226280d
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 5, Pp o1417-o1417 (2012)
In the title compound, C14H11Cl2NO, the two benzene rings are non-coplanar [dihedral angle = 60.9 (3)°]. In the crystal, an amide N—H...O hydrogen bond links the molecules into chains which extend along (001).
Externí odkaz:
https://doaj.org/article/b6e82acea7864f20a15db9b19650089a
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 5, Pp o1197-o1197 (2011)
The title compound, C12H10Cl2N2S2, features an S—S bond [2.0671 (16) Å] that bridges two 4-amino-2-chlorophenyl rings with a C—S—S—C torsion angle of −84.2 (2)°. The two benzene rings are twisted with respect to each other at a dihedral a
Externí odkaz:
https://doaj.org/article/300284fbad994233b8ce5c704ae56579