Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Qijian Chen"'
Publikováno v:
International Journal of Mining Science and Technology, Vol 33, Iss 6, Pp 747-760 (2023)
Aiming at the problem of temperature-mechanics-chemical (T-M-C) action encountered by rocks in underground engineering, sandstone was selected as the sample for acid corrosion treatment at pH 1, 3, 5 and 7, the acid corrosion treated samples were the
Externí odkaz:
https://doaj.org/article/f8198aa55bdf432cab2450ff6da4ddad
Publikováno v:
Viruses, Vol 16, Iss 1, p 73 (2023)
Rice stripe disease caused by the rice stripe virus (RSV), which infects many Poaceae species in nature, is one of the most devastating plant viruses in rice that causes enormous losses in production. Ailanthone is one of the typical C20 quassinoids
Externí odkaz:
https://doaj.org/article/73be5970b8c34ade9c028fa9429976fa
Publikováno v:
Materials, Vol 16, Iss 18, p 6234 (2023)
Aiming at the problem of chemical-mechanics-hydro (C-M-H) action encountered by rocks in underground engineering, chemical damage variables, water damage variables, and force damage variables are introduced to define the degree of degradation of rock
Externí odkaz:
https://doaj.org/article/12120591777545068e1208ccfc010911
Autor:
Xingkang Su, Xianwen Li, Xiangyang Wang, Yang Liu, Qijian Chen, Qianwan Shi, Xin Sheng, Long Gu
Publikováno v:
Frontiers in Energy Research, Vol 10 (2022)
In the simple gradient diffusion hypothesis, the turbulent Prandtl number (Prt) with a constant of 0.85 is difficult to accurately predict for liquid metals having low Prandtl numbers (Pr), while a four-equation model can improve this solution by int
Externí odkaz:
https://doaj.org/article/6fa083af4102441696bd3a86df5c847d
Publikováno v:
Frontiers in Oncology, Vol 12 (2022)
PurposeGlioma is the most common primary brain tumor, with varying degrees of aggressiveness and prognosis. Accurate glioma classification is very important for treatment planning and prognosis prediction. The main purpose of this study is to design
Externí odkaz:
https://doaj.org/article/c638a0ff21914dc6844f7f95a1a9f106
Publikováno v:
IEEE Access, Vol 8, Pp 106564-106575 (2020)
Glioma grading before surgery is very critical for the prognosis prediction and treatment plan making. We present a novel wavelet scattering-based radiomic method to predict noninvasively and accurately the glioma grades. The method consists of wavel
Externí odkaz:
https://doaj.org/article/86cdd3157ded4610886b9f4173e418eb
Autor:
Zeyu Deng, Lihui Wang, Qiang Wu, Qijian Chen, Ying Cao, Li Wang, Xinyu Cheng, Jian Zhang, Yuemin Zhu
Publikováno v:
IEEE Access, Vol 8, Pp 220140-220151 (2020)
Diffusion tensor imaging (DTI) is currently the unique imaging technique that can detect the structure of in-vivo human myocardium without invasivity and radiation. However, it is particularly sensitive to motions, especially respiratory motion that
Externí odkaz:
https://doaj.org/article/846159dd78eb43bba2d05bf1505e02cc
Autor:
Youliang Chen, Qijian Chen, Yungui Pan, Peng Xiao, Xi Du, Suran Wang, Ning Zhang, Xiaojian Wu
Publikováno v:
Materials, Vol 15, Iss 21, p 7590 (2022)
In order to accurately describe the characteristics of each stage of rock creep behavior under the combined action of acid environment and true triaxial stress, based on damage mechanics, chemical damage is connected with elastic modulus; thus, the d
Externí odkaz:
https://doaj.org/article/a7e170abf84a4d25a40067ed6e09d6ae
Autor:
Qijian Chen, Lingling Wang, Chang Li, Weihua Hu, Yameng Fan, Zaishu Chen, Longlong Wu, Zhanjin Lu, Jianfang Ye, Shiyan Chen, Junlu Tong, Liemin Ruan, Jin Mei, Hongyun Lu
Publikováno v:
Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, Vol 10, Iss 12 (2021)
Background Although chronic cardio‐metabolic disease is a common comorbidity among patients with COVID‐19, its effects on the clinical characteristics and outcome are not well known. Methods and Results This study aimed to explore the association
Externí odkaz:
https://doaj.org/article/d85b48ad2322488491ff6f39c61a5f63
Autor:
Bin Li, Jin Mei, Weihua Hu, Qijian Chen, Chang Li, Zaishu Chen, Yanjie Fan, Shuwei Tian, Zhuheng Zhang, Qifa Ye, Jiang Yue, Qiao-Li Wang
Publikováno v:
BMJ Open, Vol 10, Iss 12 (2020)
Objective This study aimed to develop and externally validate a COVID-19 mortality risk prediction algorithm.Design Retrospective cohort study.Setting Five designated tertiary hospitals for COVID-19 in Hubei province, China.Participants We routinely
Externí odkaz:
https://doaj.org/article/8692cbd82c4646d885199cff8b44e248