Optimization of tensile strength for new type acetone-urea-formaldehyde furan resin using uniform design

Autor: Lin Shengjun, Zhao Ya, Li Yuancai

Publikováno v: China Foundry, Vol 8, Iss 1, Pp 30-35 (2011)

In this study, the 24 h tensile strength of new type acetone-urea-formaldehyde furan resin (nitrogen content 3%) was investigated by uniform design optimization. Four independent variables such as acetone : formaldehyde molar ratio (mol/mol), solutio

Externí odkaz: https://doaj.org/article/7a9327bf079043259ea4fcf3108e2813

Based on AC and DC Coupling of the DC wall bushing electric field analysis

Autor: Shengwu Tan, Wang Guan, Hao Zhang, Wang Zhijun, Bo Zhang, Lin Shengjun, Bai Changyu, Gang Wang, Liu Yapei

Publikováno v: 2016 Progress in Electromagnetic Research Symposium (PIERS).

Insulation parts exist in dc wall bushing. During normal operation, insulation parts through the constant current conduction cannot as ideal insulator, so can't simply calculate the electric field in electrostatic field theory, otherwise cause calcul

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7e209d06a1990de726734400e18f16af
https://doi.org/10.1109/piers.2016.7735189

Molecular relaxation and glass transition properties of epoxy resin at high temperature

Autor: Huang Yin, Wang Weiwang, Li Sheng-Tao, Yang Liuqing, Min Dao-Min, Xie Dongri, Lin Shengjun

Publikováno v: Acta Physica Sinica. 65:077701

Epoxy resin is widely used as a polymeric insulating material in power equipment, such as gas-insulated switchgear and gas-insulated lines. The motions of molecular chains or segmental chains in a polymeric insulating material can affect the material

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9b7fc6bf2aedcff1745a01ea140cbbb1
https://doi.org/10.7498/aps.65.077701

Experiencing blended learning during COVID-19.

Autor: Qin P; School of International Education, Guangxi Medical University, Nanning, China; Centre for Applied Language Studies, University of Jyväskylä, Jyväskylä, Finland., Wei J; Foreign Languages School, Guangxi Medical University, Nanning, China., Lin S; Department of Human Anatomy, Guangxi Medical University, Nanning, China., Huang S; Department of Human Anatomy, Guangxi Medical University, Nanning, China., Deng Q; Department of Human Anatomy, Guangxi Medical University, Nanning, China., Wei L; Department of Human Anatomy, Guangxi Medical University, Nanning, China.

Publikováno v: Education for health (Abingdon, England) [Educ Health (Abingdon)] 2022 Jan-Apr; Vol. 35 (1), pp. 35-36.