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Akademický článek

Numerical simulation of two-track laser hardening process of 42CrMo steel

Autor: Tong Daming, Zhang Ziyang, Li Zhuguo, Gu Jianfeng, Li Sijia, Zhang Qunli, Li Chuanwei, Zhao Junyu, Hu Zhaonan

Publikováno v: Heat Treatment and Surface Engineering, Vol 4, Iss 1, Pp 20-34 (2022)

In this study, a thermal–phase–mechanical coupled numerical model was presented for the prediction of the distribution of temperature, phase and residual stress of 42CrMo steel during two-track laser hardening process. Austenite and tempering tra

Externí odkaz: https://doaj.org/article/aabe617048e64150a7d1b7232922e323

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Akademický článek

Clinical features and risk factors of deep vein thrombosis in COVID-19 patients:a retrospective analysis of 1 771 hospitalized patients

Autor: ZHANG Xiaohua, LI Chuanwei, LIU Yuhui

Publikováno v: Di-san junyi daxue xuebao, Vol 42, Iss 15, Pp 1483-1488 (2020)

Objective To investigate and analyze the incidence rate, clinical features and risk factors of lower extremity thrombosis in patients with coronavirus disease 2019 (COVID-19). Methods In this retrospective analysis, 1 771 COVID-19 patients admitted i

Externí odkaz: https://doaj.org/article/cd0e4bfc92d649358340af8f5b5ba689

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