Zobrazeno 1 - 10
of 4 033
pro vyhledávání: '"Chen Heng"'
Publikováno v:
Zhejiang dianli, Vol 43, Iss 6, Pp 41-51 (2024)
Stabilizing the power flow distribution in distribution networks and determining the connection locations and capacities of distributed generation are crucial issues in optimizing the operation of distribution networks with distributed generation. Th
Externí odkaz:
https://doaj.org/article/7a9dc36174c44177b71ccb636baac368
Autor:
Jinguang Zhao, Wei Gao, Li Qinfei, Chen Heng, Kouamo Tchakoute Herve, Mapesu Pengou, Kouadjo Jean Jacques, Houa Pengkun
Publikováno v:
Ceramics-Silikáty, Vol 68, Iss 2, Pp 181-194 (2024)
Magnesium potassium phosphate cement (MKPC) and magnesium ammonium phosphate cement (MAPC) perform well as rapid repair materials, but the properties of their hydration products under NaCl attack (e.g., de-icing salt) are unknown. In this study, the
Externí odkaz:
https://doaj.org/article/fa8ddc294395459593f597d458addd4d
Autor:
XIAO Wenlong, FU Yu, WANG Junshuai, ZENG Da, LIANG Xiongwei, CHEN Heng, ZHAO Xinqing, MA Chaoli
Publikováno v:
Cailiao gongcheng, Vol 51, Iss 2, Pp 52-66 (2023)
Titanium and its alloys are promising biomedical metallic materials due to their high specific strength, low Young's modulus, nonmagnetic, excellent biocompatibility and corrosion resistance. A new generation of metastable β-type Ti alloys with non-
Externí odkaz:
https://doaj.org/article/742e60eb27f0492da9e4f91539aad785
Magnetic Resonance Imaging (MRI) requires a trade-off between resolution, signal-to-noise ratio, and scan time, making high-resolution (HR) acquisition challenging. Therefore, super-resolution for MR image is a feasible solution. However, most existi
Externí odkaz:
http://arxiv.org/abs/2409.09731
Publikováno v:
Zeitschrift für Kristallographie - New Crystal Structures, Vol 237, Iss 4, Pp 605-606 (2022)
C6H7BrN2O2, triclinic, P1‾$\overline{1}$ (no. 2), a = 7.4522(4) Å, b = 7.4741(5) Å, c = 8.3144(5) Å, α = 90.036(3)°, β = 99.808(3)°, γ = 117.724(2)°, V = 402.25(4) Å3, Z = 2, Rgt(F) = 0.0156, wRref(F2) = 0.0367, T = 150.0 K.
Externí odkaz:
https://doaj.org/article/eaa4b9f0810b49a9afc03578c53cea82
Publikováno v:
工程科学学报, Vol 41, Iss 10, Pp 1324-1331 (2019)
As science and high-tech have developed, stealth technology has gained increasing prominence in the military field. Application of stealth technology can improve the survival, defense, and attack capabilities of military equipment, thus it has become
Externí odkaz:
https://doaj.org/article/817f9de007e44c9b8fa958230aec696a
Publikováno v:
Ceramics-Silikáty, Vol 63, Iss 4, Pp 356-364 (2019)
Limestone, calcined clay and cement (LC³) are one of the low carbon cement materials which are used as a partial substitution of clinker and Portland cement. In this study, the effects of limestone and calcined clay (LC²) on the mechanical properti
Externí odkaz:
https://doaj.org/article/c0dd7bb21c78401ab4c579868461ed1d
Publikováno v:
工程科学学报, Vol 41, Iss 7, Pp 929-939 (2019)
It has been generally recognized that the synergistic action of aggressive media and residual stress that arises during metals fabrication, processing, and service can affect the behavior of corrosion electrochemistry. However, due to the limitation
Externí odkaz:
https://doaj.org/article/5050c4cd303f4f14b25e6fb37137ea52
Publikováno v:
Polish Journal of Pathology, Vol 69, Iss 3, Pp 226-233 (2018)
Two middle-aged females presented with a mass located in the lateral quadrant of the breast. Both patients received modified radical surgery for breast cancer, radiotherapy, and chemotherapy and have been living without evidence of disease for more t
Externí odkaz:
https://doaj.org/article/95ccbbfd623242c28d802c2e2b656a04
We determine the complex geometries dual to the semi-classical saddles in three-dimensional gravity with positive or negative cosmological constant. We examine the semi-classical saddles in Liouville field theory and interpret them in terms of gravit
Externí odkaz:
http://arxiv.org/abs/2404.10277