Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Zhao, Dan"'
Autor:
Zhao Dan, Smirnova Elena Aleksandrovna
Publikováno v:
SHS Web of Conferences, Vol 166, p 01015 (2023)
Since February 2020, the COVID-19 pandemic has spread across the world, greatly affecting the global economic situation and peoples lifestyles. Mass consumption has shifted from offline to online, suggesting a permanent trend and making e-commerce on
Externí odkaz:
https://doaj.org/article/7a95cf7f88d24433a0981f2bd5915140
Autor:
Zhao, Dan1,2 (AUTHOR) zd324@126.com, Wang, Xiaofei3 (AUTHOR)
Publikováno v:
RAIRO: Operations Research (2804-7303). 2024, Vol. 58 Issue 1, p475-510. 36p.
Publikováno v:
E3S Web of Conferences, Vol 245, p 03029 (2021)
Objective: To evaluate the teaching method based DingTalk combined PBL teaching method and CBL teaching method in the teaching of pathogenic biology under novel coronavirus pneumonia enviroment. Methods: 48 undergraduates of grade 2018 were selected
Externí odkaz:
https://doaj.org/article/3f058dc249ef431fa60e059e8a7870e8
Publikováno v:
Mechanics & Industry, Vol 22, p 12 (2021)
In this paper, a micro electromagnetic harmonic drive system is proposed. Considering Van der Waals force, dynamics equation of the flexible ring for the micro drive system is deduced and resolved. Using the equations, the effects of the molecule for
Externí odkaz:
https://doaj.org/article/acb0e25ec3434da793f96161fa3d00ee
Publikováno v:
E3S Web of Conferences, Vol 194, p 01002 (2020)
Based on the black-box model, this paper analyzed the multi-stage slag waste heat recovery system. The exergy efficiency, the exergy loss coefficient and the exergy loss rate were adopted as evaluation indexes to investigate the energy consumption an
Externí odkaz:
https://doaj.org/article/07997b7f240742bbae9e1f8ed7e407f4
Publikováno v:
E3S Web of Conferences, Vol 179, p 01023 (2020)
Explore the 3R design strategy of straw woven living products from the perspective of green design. By analyzing the characteristics of traditional straw weaving technology, based on the principles of reduction, reuse and recyclability of 3R design,
Externí odkaz:
https://doaj.org/article/5b07dff22e0445a0818b6c526b54b570
Publikováno v:
MATEC Web of Conferences, Vol 238, p 03006 (2018)
Graphene/titania multiplex photo-catalyst was prepared through hydrothermal method. Methylene blue with initial concentration of 20 mg/L in aqueous solution was treated by photocatalytic oxidation and the degradation process was investigated by UV/Vi
Externí odkaz:
https://doaj.org/article/4f510b7534f84815b404fcb6f679ebd7
Publikováno v:
MATEC Web of Conferences, Vol 130, p 03007 (2017)
Ultrasonic vibration have positive effect on formation of in-situ TiAl3/7050Al composites, the role of ultrasound in the reaction process was described systematically. The best solution-aging treatment parameters were discussed and effects of the sel
Externí odkaz:
https://doaj.org/article/f6bed29a66b84aad86561b14e3b8b658
Publikováno v:
MATEC Web of Conferences, Vol 44, p 02057 (2016)
Non-contact wafer thickness measurement with the CAV424 capacitance sensor special integrated circuit and arc pole plate capacitor sensor has good stability and linearity under low capacity of the bottom of sensor and low&entity; C condition. This me
Externí odkaz:
https://doaj.org/article/a6e38f667c764e0f887b22fc4fecce55
Publikováno v:
MATEC Web of Conferences, Vol 21, p 10007 (2015)
In this study, porous NiTi alloys have been successfully produced by fields-activated micro-sintering and forming technology under the pressure of 75 MPa at 1100∘C. The effects of soaking time on the porous NiTi alloys were investigated by analysin
Externí odkaz:
https://doaj.org/article/564b4b326a8841e5b98314ee9143a005