Zobrazeno 1 - 10
of 3 162
pro vyhledávání: '"WU Weiwei"'
Publikováno v:
Zhongguo linchuang yanjiu, Vol 36, Iss 12, Pp 1871-1874 (2023)
Objective To explore the construction of a nomogram model with good predictive value for community acquired pneumonia (CAP) in elderly patients using commonly used blood routine indicators in clinical practice. Methods A total of 88 elderly CAP patie
Externí odkaz:
https://doaj.org/article/5006703b51cf42edad0c90e6ee760ddd
Publikováno v:
Open Physics, Vol 21, Iss 1, Pp 5592-80 (2023)
Direct ink writing provides a new method for ceramic material forming. The single-screw extruder is used here to extrude viscous SiC slurry. Because the flow mechanism of ceramic slurry in the slurry direct writing extrusion device is unclear, lattic
Externí odkaz:
https://doaj.org/article/d41468db1186487eaafc731cae1049f0
Publikováno v:
Open Physics, Vol 20, Iss 1, Pp 87-93 (2022)
The ceramic microchannel manufactured by stereolithography (SLA) can be used in many engineering cases. SLA is an accurate 3D printing technology, while the small geometry error is inevitable. The involved flow is always non-Newtonian fluids. Therefo
Externí odkaz:
https://doaj.org/article/ffb976df12a44635aec3deaaf9e5bf7a
Real-time object detection is critical for the decision-making process for many real-world applications, such as collision avoidance and path planning in autonomous driving. This work presents an innovative real-time streaming perception method, Tran
Externí odkaz:
http://arxiv.org/abs/2409.06584
Publikováno v:
Hangkong gongcheng jinzhan, Vol 12, Iss 3, Pp 55-64 (2021)
The aerodynamic configuration of the tiltrotor aircraft is constantly changed during the tilting transition process, and the aerodynamic characteristics is of strongly nonlinear characteristics.Aiming at the complex states of continuous tilting trans
Externí odkaz:
https://doaj.org/article/6ee6e62b017a47f5aebd2853b81d1282
Publikováno v:
Hangkong gongcheng jinzhan, Vol 11, Iss 2, Pp 176-183 (2020)
The propeller slipstream passed through the rotor plane when the autogyro is flying forward, will produce the unsteady aerodynamic interference on the autorotating rotor. Based on the RANS equations(Reynolds averaged Navier-Stokes), a computational a
Externí odkaz:
https://doaj.org/article/fb85f2566abd4021bee74ed68a3cc598
Publikováno v:
SHS Web of Conferences, Vol 140, p 01047 (2022)
Student engagement is of critical importance because it can help students gain more knowledge from the course. This paper investigates how to improve student engagement of graduate students in seminar teaching, and the results show that student self-
Externí odkaz:
https://doaj.org/article/3d41b48fec0248ed8800cd2eef12c9a3
Publikováno v:
Hangkong gongcheng jinzhan, Vol 9, Iss 3, Pp 368-374 (2018)
Compared with similar helicopters, the autogyro has its unique advantages and has been widely applied in the civilian field. In order to provide theoretical reference for unmanned flight control of autogyro, the features, advantages and exiting probl
Externí odkaz:
https://doaj.org/article/99e437d0d02149e4bb3796181e758954
Autor:
Chen, Haoyang, Sun, Peiyan, Song, Qiyuan, Wang, Wanyuan, Wu, Weiwei, Zhang, Wencan, Gao, Guanyu, Lyu, Yan
Ride-hailing platforms have been facing the challenge of balancing demand and supply. Existing vehicle reposition techniques often treat drivers as homogeneous agents and relocate them deterministically, assuming compliance with the reposition. In th
Externí odkaz:
http://arxiv.org/abs/2401.04429
This paper addresses a UAV path planning task that seeks to observe a set of objects while satisfying the observation quality constraint. A dynamic programming algorithm is proposed that enables the UAV to observe the target objects with shortest pat
Externí odkaz:
http://arxiv.org/abs/2312.04943