Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Junfang Ma"'
Autor:
Junrong Diao, Du Aijun, Xinyan Wang, Shuai Zhang, Ying Han, Nan Xiao, Zhe Pang, Junfang Ma, Yunshan Zhang, Haining Luo
Publikováno v:
PeerJ, Vol 12, p e18112 (2024)
Background Coronavirus disease 2019 (COVID-19) has raised concerns about its potential effects on human fertility, particularly among individuals undergoing assisted reproductive therapy (ART). However, the impact of COVID-19 on female reproductive a
Externí odkaz:
https://doaj.org/article/31c40da56d874b9a9d33d18b61a8aee5
Autor:
Yinfeng Zhang, Dominique de Ziegler, Xinyu Hu, Xiaomei Tai, Ying Han, Junfang Ma, Yunshan Zhang, Haining Luo
Publikováno v:
BMC Pregnancy and Childbirth, Vol 22, Iss 1, Pp 1-8 (2022)
Abstract Background Due to various iatrogenic and social factors, the global caesarean delivery (CD) rate has risen sharply in the past 30 years. It is more complicated and dangerous for women with a scarred uterus to experience pregnancy again than
Externí odkaz:
https://doaj.org/article/576aaff220e04e84be30708e8f5c4bed
Publikováno v:
Applied Sciences, Vol 13, Iss 16, p 9468 (2023)
To evaluate the significance of the geometrical parameters of a passive pre-chamber on engine performance, this study investigated the design of a plug-and-play passive pre-chamber in a 15 L heavy-duty natural gas engine. Multi-dimensional numerical
Externí odkaz:
https://doaj.org/article/d67aa97d683b482c9f33d1d60034e9d4
Autor:
Xinyan Wang, Huiyan Wang, Aijun Du, Junchao Wang, Jie Shi, Yunshan Zhang, Yinfeng Zhang, Junfang Ma, Wenjia Meng, Jiabei Lv, Haining Luo
Publikováno v:
Frontiers in Immunology, Vol 13 (2022)
Although periconception vaccination is important to maternal and neonatal health, little is known about the COVID-19 vaccine hesitancy among infertile couples seeking fertility treatment. Thus, we conducted this survey among infertile patients in a r
Externí odkaz:
https://doaj.org/article/d7c50130872f46d9bd8a0ac216a63bc2
Autor:
Shuangshuang Lu, Xinyu Yao, Jun Shi, Jian Huang, Shaohua Zhuang, Junfang Ma, Yan Liu, Wei Zhang, Lifei Yu, Ping Zhu, Qiuwei Zhu, Ruxia Shi, Hong Zheng, Dong Shao, Yuyan Pan, Shizhen Bao, Li Qin, Lijie Huang, Wenjia Liu, Jin Huang
Publikováno v:
Frontiers in Medicine, Vol 9 (2022)
BackgroundIntrauterine devices (IUDs) are commonly used as a contraceptive method. IUD migration and colon perforation are rare but serious complications occurring sometimes years after insertion.CaseA 42-year-old woman with complaints of slight abdo
Externí odkaz:
https://doaj.org/article/d7c7e38d62324fd890ece43c47eb11d8
Autor:
Jie Pan, Junfang Ma, Junyin Li, Hongzhe Liu, Jing Wei, Jingjing Xu, Tao Zhu, Hairui Zhang, Wei Li, Jiaying Pan
Publikováno v:
Energies, Vol 15, Iss 22, p 8545 (2022)
Spark-ignited natural gas engines have received increasing attention in the heavy-duty market due to their low cost and reliability advantages. However, there are still some issues with natural gas engines retrofitted from 10 to 15 L diesel engines,
Externí odkaz:
https://doaj.org/article/6ee302096cb64e8f9b6a1795e9ad9685
Publikováno v:
Jixie chuandong, Vol 43, Pp 152-155 (2019)
When the special chamfering machine is widely used to chamfering currently chamfer the end face of spiral bevel gears in the domestic, the adjustment of the grinding wheel is complex, the preparation time is long and the precision is difficult to
Externí odkaz:
https://doaj.org/article/3389a0e7cd534c70aea1a03fad4af646
Publikováno v:
PLoS ONE, Vol 10, Iss 6, p e0128883 (2015)
Progressive muscular atrophy (PMA) is a rare type of degenerative motor neuron disease (MND) of which the onset happens in adult period. Despite its well-defined clinical characteristics, its neuropsychological profile has remained poorly understood,
Externí odkaz:
https://doaj.org/article/d2e160d8362b4c3c9296064088c9ecb9
Publikováno v:
PLoS ONE, Vol 10, Iss 9, p e0137921 (2015)
It has reached a consensus that patients with amyotrophic lateral sclerosis (ALS) could display cognitive impairment characterized by executive dysfunction or even dementia, but cognitive spectrum of Chinese patients with ALS still waits to be docume
Externí odkaz:
https://doaj.org/article/b2c37759841d4a92b60fb919c5426716
Autor:
Yazhen Fan, Aijun Du, Yinfeng Zhang, Nan Xiao, Yunshan Zhang, Junfang Ma, Wenjia Meng, Haining Luo
Publikováno v:
Journal of Obstetrics and Gynaecology Research. 48:1271-1278