Zobrazeno 1 - 10
of 410
pro vyhledávání: '"Ping Ruan"'
Publikováno v:
Tehnički Vjesnik, Vol 31, Iss 2, Pp 449-459 (2024)
During non-landing measurements of a theodolite, the accuracy of the goniometric readings can be compromised by wobble errors induced by various factors such as wind loads, theodolite driving torque, and the stiffness of the supporting structure. To
Externí odkaz:
https://doaj.org/article/3ebaea583d3045219d29b847ee842d41
Publikováno v:
Applied Sciences, Vol 14, Iss 13, p 5842 (2024)
The spaceborne turntable is a piece of precision optical equipment utilized for monitoring space information and facilitating laser communication. The measurement accuracy of optical instruments is correlated to some extent with the mechanical proper
Externí odkaz:
https://doaj.org/article/1018e8d380dd478e9621e15364067665
Autor:
Peng-Ning Chen, Xin-Yu Chen, Guan-Xi Chen, Lin Luo, Qi-Zhang Yan, Ping Ruan, Ping Li, Da-Hai Yu
Publikováno v:
Frontiers in Oncology, Vol 12 (2022)
ObjectivesThe histological origin of base of the tongue (BOT) carcinomas is still elusive, and most studies have been focusing on the lingual tonsil. In this study, we sought to identify the existence of the squamous–columnar junction (SCJ) in the
Externí odkaz:
https://doaj.org/article/a8512a053405452d82251e5057627468
Publikováno v:
Photonics, Vol 10, Iss 7, p 769 (2023)
The signal-receiving end of acquisition, pointing, and tracking (APT) systems applied to intersatellite laser communication terminals usually uses a fast-steering mirror (FSM) to control the fiber-coupling process, has a complex structural design, an
Externí odkaz:
https://doaj.org/article/ee9f8c9b583443e191ffa1c68c11bb71
Publikováno v:
International Journal of Optomechatronics, Vol 15, Iss 1, Pp 19-31 (2021)
The geometrical error caused pointing error is an inevitable problem in space satellite laser communication terminals which can affect the pointing accuracy of the APT (acquisition pointing and tracking) system greatly, in order to facilitate the ass
Externí odkaz:
https://doaj.org/article/42ceb27f48344d748735b8ffac7eea90
Publikováno v:
Mathematics, Vol 10, Iss 8, p 1209 (2022)
The COVID-19 pandemic has affected all sectors of the world’s economy and society. Firms need to have disaster recovery and business sustainability plans and to be able to generate profits in order to develop. Trade credit may be a good way for fir
Externí odkaz:
https://doaj.org/article/75e8f16a76254290a8a333a8a3daf90c
Publikováno v:
Mathematical Biosciences and Engineering, Vol 19, Iss 6, Pp 5772-5792 (2022)
Background: The newly identified betacoronavirus SARS-CoV-2 is the causative pathogen of the 2019 coronavirus disease (COVID-19), which has killed more than 4.5 million people. SARS-CoV-2 causes severe respiratory distress syndrome by targeting the l
Externí odkaz:
https://doaj.org/article/59c7eb9100ea46c2b8e2a49912a6eae3
Publikováno v:
Frontiers in Pharmacology, Vol 13 (2022)
Background: Yunpi-Huoxue-Sanjie (YP-SJ) formula is a Chinese herbal formula with unique advantages for the treatment of diabetic cardiovascular complications, such as Diabetic cardiomyopathy (DCM). However, potential targets and molecular mechanisms
Externí odkaz:
https://doaj.org/article/5da55cff9cc34fdeaed51bb82e94be05
Autor:
Xinyu Chen, Lin Luo, Pengning Chen, Guanxi Chen, Qizhang Yan, Bosen Zhou, Nengming Liu, Ping Ruan, Dahai Yu
Publikováno v:
Folia Morphologica; 2024, Vol. 83 Issue 3, p667-679, 13p
Autor:
Ai-Min Jiang, Xin Shi, Na Liu, Huan Gao, Meng-Di Ren, Xiao-Qiang Zheng, Xiao Fu, Xuan Liang, Zhi-Ping Ruan, Yu Yao, Tao Tian
Publikováno v:
BMC Infectious Diseases, Vol 20, Iss 1, Pp 1-12 (2020)
Abstract Background Bacterial infections are the most frequent complications in patients with malignancy, and the epidemiology of nosocomial infections among cancer patients has changed over time. This study aimed to evaluate the characteristics, ant
Externí odkaz:
https://doaj.org/article/64eb3cfda2864410bb340b3f659e588e