Výsledky vyhledávání - "Liu Wei-dong"

Akademický článek

PREPARATION OF HYDROGEL PARAFFIN MICROCAPSULES AND ITS EFFECT ON THE SHRINKAGE OF CEMENT MORTARS

Autor: Xiao-dong Jiao, Jian-ping Xiong, Zhang Yang-peng, Li Bi-yun, Xie Zheng-zhuan, Liu Wei-dong, Feng Ming-zhu

Publikováno v: Ceramics-Silikáty, Vol 65, Iss 4, Pp 354-362 (2021)

In an attempt to solve the uncontrollable water absorption of a superabsorbent polymer (SAP), microcapsules (MPCP), with calcium alginate and paraffin powder as the main raw materials, were prepared. The structure and water absorption properties of t

Externí odkaz: https://doaj.org/article/ce50e1b79e2d4799af843e94e725f9b4

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Akademický článek

Non-machined Surface Protection Process of Electrochemical Machining Based on Repaired Turbine Blade

Autor: LIU Wei-dong, LUO Zhen, AO San-san, TAN Hui

Publikováno v: Cailiao gongcheng, Vol 44, Iss 11, Pp 16-21 (2016)

In order to improve the efficiency of turbine blade repairing, protection processes of non-machined surface in Electrochemical Machining (ECM) based on blade repairing were studied. Mathematical model of electric field was developed to obtain current

Externí odkaz: https://doaj.org/article/647bd16496884a838c9f0893e78db215

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Akademický článek

Design of Monitoring System of Process Water of Coal Mine

Autor: TAN Yi-chuan, HUAI Li, CHENG Yu-long, LIU Wei-dong, YANG Wei-lin

Publikováno v: Gong-kuang zidonghua, Vol 38, Iss 10, Pp 10-13 (2012)

In view of problem that traditional process water system of coal mine cannot real-timely know situations of running of pump and water level of sump with manual operation mode, a monitoring system of process water of coal mine was designed. The system

Externí odkaz: https://doaj.org/article/b5033cca6d2c4eff9ed050e4a45adb25

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Akademický článek

Design of Noise Measuring Instrument and Its Implementatio

Autor: ZHAO En-biao, LIU Wei-dong, DENG Nan

Publikováno v: Gong-kuang zidonghua, Vol 37, Iss 12, Pp 71-73 (2011)

In view of noise hazard of coal mine underground, the paper proposed a design scheme of noise measuring instrument based on STC single-chip microcomputer, and introduced hardware and software design of the instrument. The test results showed that the

Externí odkaz: https://doaj.org/article/a9ba343f322949809fe57a15a670c6ee

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