Zobrazeno 1 - 10
of 18 732
pro vyhledávání: '"CHEN Zhen"'
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 9, Pp 76-79 (2024)
Objective APM (automated people mover) has very high requirements for safety, and the existing SIL (safety integrity level) allocation method cannot meet the demand of APM projects efficiently and accurately. In order to ensure the safety and reliabi
Externí odkaz:
https://doaj.org/article/b8de95e6610443e28e52c7f89dbc2b4c
Publikováno v:
Zeitschrift für Kristallographie - New Crystal Structures, Vol 239, Iss 3, Pp 461-463 (2024)
C10H11ClN4O2, monoclinic, P21/c (no. 14), a = 12.7802(17) Å, b = 7.6211(12) Å, c = 12.0486(17) Å, β = 95.551(4)°, V = 1168.0(3) Å3, Z = 4, R gt(F) = 0.0562, wR ref(F 2) = 0.1172, T = 273(2) K.
Externí odkaz:
https://doaj.org/article/5d63eab30be0423dafc096c065fe451c
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 42, Iss 1, Pp 62-69 (2024)
Flexible polishing technology is widely used in the precision machining of aero-engine blisk blades. It has become one of the important research contents of flexible polishing technology to systematically study the flexible polishing process and unde
Externí odkaz:
https://doaj.org/article/b1f112869e8c420283de5e25243674a3
Publikováno v:
Nanophotonics, Vol 13, Iss 5, Pp 687-699 (2024)
A temperature-doubler circuit is the functional equivalent of a voltage-doubler in the thermal domain. Effective temperature-doubler circuits could benefit energy scavenging from fluctuating thermal resources, e.g. the diurnal cycle. However, the cur
Externí odkaz:
https://doaj.org/article/fd843d19a432481d84c22190d80c7765
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 41, Iss 6, Pp 1107-1113 (2023)
The surface roughness can be reduced by increasing the forward-tilt angle of polishing process. It is of great significance to explore the influence law of the forward-tilt angle on the quality of the polished surface to improve the polishing efficie
Externí odkaz:
https://doaj.org/article/928736bdf83e4e36acf1738e14903196
Autor:
Tian Tian, Leiwen Fu, Zhen Lu, Xinsheng Wu, Ganfeng Luo, Bingyi Wang, Xinyi Zhou, Yi-Fan Lin, Zewen Zhang, Lirong Liu, Miaomiao Xi, Chen Zhen, Jianghong Dai, Huachun Zou
Publikováno v:
International Journal of Infectious Diseases, Vol 134, Iss , Pp 261-268 (2023)
Objectives: This study aimed to assess the effects of COVID-19 nonpharmaceutical interventions (NPIs) on the human papillomavirus (HPV) epidemic among men who have sex with men (MSM) in Xinjiang, China. Methods: In our cohort study, we enrolled and f
Externí odkaz:
https://doaj.org/article/b90f521060d0478ea437fa1e3c3fe79c
Publikováno v:
Applied Mathematics and Nonlinear Sciences, Vol 9, Iss 1 (2024)
As the countryside continues to expand and develop, ecological issues are becoming increasingly complex and critical. The creation of environmental networks plays a vital role in ensuring ecological protection and promoting sustainable development in
Externí odkaz:
https://doaj.org/article/a35b40635b5f4221aaf40663039ecc81
Publikováno v:
Zeitschrift für Kristallographie - New Crystal Structures, Vol 238, Iss 4, Pp 791-793 (2023)
C36H36N2 ${\mathrm{C}}_{36}{\mathrm{H}}_{36}{\mathrm{N}}_{2}$ O, orthorhombic, P212121 ${2}_{1}{2}_{1}{2}_{1}$ (no. 19), a = 11.849(2) Å, b = 14.373(3) Å, c = 17.183(3) Å, V = 2926.4(10) Å3 ${\mathrm{\mathring{\text{A}}}}^{3}$ , Z = 4, Rgt ${R}_
Externí odkaz:
https://doaj.org/article/399e1c6acd254d38956a3a62cbe858a3
Publikováno v:
Jisuanji kexue, Vol 50, Iss 3, Pp 298-306 (2023)
The goal of multimodal sentiment analysis is to achieve reliable and robust sentiment analysis by utilizing complementary information provided by multiple modalities.Recently,extracting deep semantic features by neural networks has achieved remarkabl
Externí odkaz:
https://doaj.org/article/aef31f6baebb44d2a2604adecfa74cb2
Autor:
HU Qi, CHEN Zhen, ZHU Wei, YU Qiang, LIU Yuanyuan, ZHENG Zhaoyi, LYU Ze, YOU Hongjun, CHEN Bangyao, LUO Siling
Publikováno v:
Cailiao gongcheng, Vol 51, Iss 3, Pp 166-173 (2023)
A series of three-dimensional porous lead dioxide anode materials were prepared by anodizing method using oxygen bubbles as templates. The effects of additives sodium acetate, cetyltrimethyl ammonium bromide(CTAB), sodium dodecyl benzene sulfonate(SD
Externí odkaz:
https://doaj.org/article/4b9e2ca1642a47c2a4070ea63f84031e