Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Yuyan Qian"'
Publikováno v:
Heliyon, Vol 9, Iss 12, Pp e23118- (2023)
Background: The relationship between leisure sedentary behavior (LSB) and periodontitis risk remains unclear in terms of causality and the potential mediating effects of intermediate factors. Materials and methods: Using the aggregate data of several
Externí odkaz:
https://doaj.org/article/2bc0cd81ad204503b96bff7c795a0c15
Publikováno v:
Behavioral Sciences, Vol 14, Iss 6, p 448 (2024)
This study examined 430 Chinese college students’ engagement in arts activities and the psychological benefits derived from such activities. The research differentiated between various types of arts participation and ways of involvement and examine
Externí odkaz:
https://doaj.org/article/51953c154eb5403a8b3b5dacfab4f492
Publikováno v:
BMC Medical Imaging, Vol 22, Iss 1, Pp 1-7 (2022)
Abstract Introduction The aim of this study was to evaluate the prevalence and characteristics of C-shaped root canals in maxillary first (MFMs) and second (MSMs) molars in a Southwestern Chinese population using cone-beam computed tomographic (CBCT)
Externí odkaz:
https://doaj.org/article/afed375d018746279c31adee218f99ef
Publikováno v:
Frontiers in Psychology, Vol 13 (2022)
This study aimed to investigate the factor structure and measurement invariance of the Brief Symptom Inventory-18 (BSI-18) among Chinese adults. A sample comprising 1,839 adults from four cities in Shaanxi province completed the BSI-18 and background
Externí odkaz:
https://doaj.org/article/77886930492e4cb3b6a5d1278b9484cb
Publikováno v:
Sensors, Vol 22, Iss 19, p 7463 (2022)
To achieve fast and accurate channel estimation of reconfigurable intelligent surface (RIS)-assisted multiple-input single-output (MISO) systems, we propose an accelerated bilinear alternating least squares algorithm (ABALS) based on parallel factor
Externí odkaz:
https://doaj.org/article/ad2a86acd92041679280e8f178304adb
Publikováno v:
Sensors, Vol 22, Iss 16, p 6214 (2022)
In order to investigate the effect of cooperative Intelligent Reflecting Surface (IRS) in improving spectral efficiency, this paper explores the joint design of active and passive beamforming based on a double IRS-assisted model. First, considering t
Externí odkaz:
https://doaj.org/article/23cbef850a61459f8e5a3bc55d5c3e6b
Publikováno v:
Sensors, Vol 22, Iss 15, p 5908 (2022)
In a reconfigurable intelligent surface (RIS) assisted millimeter Wave (mmWave) communication system, the channel coefficient increases exponentially with the number of RIS elements which results in expensive pilot overhead. Most previous works have
Externí odkaz:
https://doaj.org/article/b21a27e60390456bb21b450d865239ab
Publikováno v:
Frontiers in Psychology, Vol 11 (2020)
This study aimed to explore the characteristics and influencing factors of violence exposure in real life among Chinese college students. A sample of 375 college students was randomly selected to complete three questionnaires. The results indicated t
Externí odkaz:
https://doaj.org/article/8c068867855147d39fb8f78f11303988
Autor:
Yuyan Qian, Zhongliang Zhou, Ju’e Yan, Jianmin Gao, Yuping Wang, Xiaowei Yang, Yongjian Xu, Yanli Li
Publikováno v:
International Journal for Equity in Health, Vol 16, Iss 1, Pp 1-10 (2017)
Abstract Background The Chinese government has long been committed to eliminating the inequality in the utilization of health services; however, it still lacks an analysis or measurement of the economy-related inequality in the utilization of women
Externí odkaz:
https://doaj.org/article/58a8a2d1777948b7b1eae2aea2c551fa
Autor:
Yongjian Xu, Jinjuan Yang, Jianmin Gao, Zhongliang Zhou, Tao Zhang, Jianping Ren, Yanli Li, Yuyan Qian, Sha Lai, Gang Chen
Publikováno v:
BMC Public Health, Vol 16, Iss 1, Pp 1-9 (2016)
Abstract Background Accelerated population ageing brings about unprecedented challenges to the health system in China. This study aimed to measure the prevalence and the income-related inequality of depressive symptoms, and also identify the determin
Externí odkaz:
https://doaj.org/article/2fe859fbb6cd43138f48982cfc5c532e