Zobrazeno 1 - 10
of 405
pro vyhledávání: '"Qun Yuan"'
Autor:
Jiale Zhang, Qun Yuan, Xiaoxin Fan, Lu Chen, Lihua Lei, Yunxia Fu, Zhiyi Xu, Jianqiu Ma, Zhishan Gao
Publikováno v:
Photonics, Vol 11, Iss 4, p 341 (2024)
Coherence scanning interferometry (CSI) is a widely used non-contact method for measuring areal surface topography. The calculation of groove depth typically employs the ‘W/3 rule’ specified in ISO 5436-1. However, the batwing effect causes overs
Externí odkaz:
https://doaj.org/article/3f5db9436a5c454cbd4268adac439948
Publikováno v:
Respiratory Research, Vol 24, Iss 1, Pp 1-13 (2023)
Abstract Background Pulmonary hypertension (PH) is a devastating disease characterized by vasoconstriction and vascular remodeling, leading to right ventricular failure and death. PH is a common complication of chronic obstructive pulmonary disease (
Externí odkaz:
https://doaj.org/article/b2055ccaa0d44b75b9a041fb7b9b2767
Publikováno v:
IEEE Journal of Translational Engineering in Health and Medicine, Vol 11, Pp 351-359 (2023)
Identifying human actions from video data is an important problem in the fields of intelligent rehabilitation assessment. Motion feature extraction and pattern recognition are the two key procedures to achieve such goals. Traditional action recogniti
Externí odkaz:
https://doaj.org/article/9d8561ff37734458bfe024c3b6ebb66a
Publikováno v:
Water, Vol 16, Iss 2, p 311 (2024)
The water conveyance tunnel is an important hydraulic structure in water conservancy projects. Typically, it manifests as a non-prismatic tunnel due to variations in the cross-sectional geometry, which give rise to an unpredictable flow pattern that
Externí odkaz:
https://doaj.org/article/c1b148e1fd74490d9f24851e31e4a282
Publikováno v:
Frontiers in Oncology, Vol 13 (2023)
BackgroundPatients with non-small cell lung cancer (NSCLC) and patients with NSCLC combined with chronic obstructive pulmonary disease (COPD) have similar physiological conditions in early stages, and the latter have shorter survival times and higher
Externí odkaz:
https://doaj.org/article/76edb272366a4ccea689853cb6f297cd
Publikováno v:
BMC Pulmonary Medicine, Vol 21, Iss 1, Pp 1-9 (2021)
Abstract Background Patients hospitalized with chronic obstructive pulmonary disease (COPD) exacerbations are unable to complete the pulmonary function test reliably due to their poor health conditions. Creating an easy-to-use instrument to identify
Externí odkaz:
https://doaj.org/article/bc6bbd03f199428fa8410056e481bcd7
Autor:
Lingwang An, Qiuzhi Yu, Linhui Chen, Hong Tang, Yanjun Liu, Qun Yuan, Yu Ji, Yaujiunn Lee, Juming Lu
Publikováno v:
Frontiers in Endocrinology, Vol 12 (2022)
ObjectiveThis study aimed to explore the relationship between short-term (≤12 months) changes in the estimated glomerular filtration rate (eGFR) and hemoglobin A1c (HbA1c) in patients with type 2 diabetes (T2D).MethodA total of 2,599 patients with
Externí odkaz:
https://doaj.org/article/89253ed938864ea6b538dcf8c16368ab
Publikováno v:
Iranian Journal of Public Health, Vol 50, Iss 9 (2021)
Background: Vibrio cholerae is an important bacterium causing profuse watery diarrhea. Cholera had swept the whole Shandong province from 1975 to 2013. Methods: From epidemiological data and pulsed-field gel electrophoresis data, we selected 86 V
Externí odkaz:
https://doaj.org/article/bc28a1d378434b8399821c8eee775283
Autor:
Lu Chen, Zhishan Gao, Ningyan Xu, Xin Cao, Jianping Zhang, Lingjie Wang, Jingfei Ye, Qun Yuan
Publikováno v:
Results in Physics, Vol 19, Iss , Pp 103354- (2020)
In this paper, a direct design method for an off-axis two-mirror telecentric scanning system with a linear field of view (FOV) is proposed. A single freeform mirror structure is firstly considered, in which the aberration free geometry of the off-axi
Externí odkaz:
https://doaj.org/article/34df93a61a484900a43ef244f0025920
Autor:
Yinhua ZHANG, Qun YUAN, Xia YI, Honghua LIU, Xiaoyan PAN, Jingwei LIU, Yi XU, Yang CHEN, Guoping HE
Publikováno v:
Iranian Journal of Public Health, Vol 46, Iss 9 (2017)
Background: China had implemented policies to limit antimicrobials prescription since 2004; we conducted this study to reflect the effect of these national policies by analyzing antimicrobial prescription trends of medical insurance in patients from
Externí odkaz:
https://doaj.org/article/0ce701b3061a48eca1b56ca31d72000c