Results 51 to 60 of about 1,544 (211)

Trajectory Recovery and Terrain Reconstruction Based on Descent Images under Dual-Restrained Conditions: Tianwen-1

Remote Sensing, 2022
Tianwen-1 is the first Mars probe launched by China and the first mission in the world to successfully complete the three steps of exploration (orbiting, landing, and roving) at the one time.
Chen Qi, Shaochuang Liu, Yaming Xu, Aigong Xu, Jianli Zhang, Youqing Ma, Minglei Li, Xinchao Xu, Huan Yang, Yongzhe Yan   +9 more
doaj   +1 more source

MRI-based radiomics models for early predicting pathological response to neoadjuvant chemotherapy in triple-negative breast cancer: A systematic review and meta-analysis. [PDF]

J Appl Clin Med Phys
Abstract Objective This meta‐analysis evaluates the accuracy of MRI‐based radiomics in predicting pathological complete response (pCR) to neoadjuvant chemotherapy (NAC) in triple‐negative breast cancer (TNBC) patients. Methods A systematic search of PubMed, Cochrane Library, Embase, Scopus, and Web of Science was conducted up to September 2024.
Zhang J, Wu Q, Lei P, Zhu X, Li B.
europepmc   +2 more sources

Exploring the Link: Marijuana Use Patterns and Their Impact on Coronary Heart Disease Risk. [PDF]

Clin Cardiol
ABSTRACT Background As marijuana use increases globally, understanding its cardiovascular impact is crucial. This study investigates the relationship between marijuana use patterns and coronary heart disease (CHD) risk. Methods Using 2023 Behavioral Risk Factor Surveillance System data, we conducted cross‐sectional analysis examining marijuana ...
Wei T, Shen S, Shan T, Wan T, Liang Y, Lin Z, Sun Y, Li Y, Zhang Q.   +8 more
europepmc   +2 more sources

Tianwen-1 Mission and Zhurong Landing Site

, 2021
This is an OpenPlanetary Lunch (https://www.openplanetary.org/) presentation, entitled "Tianwen-1 Mission and Zhurong Landing Site". OpenPlanetary a non-profit organization helping planetary scientists and software developers to share, discuss and improve planetary data, tools, workflows and overall knowledge of our Solar System.
openaire   +1 more source

High-fidelity simulation of a supersonic parachute for Mars descent [PDF]

, 2023
The project aims to characterize the unsteady dynamics of the parachute-capsule in a supersonic flow during the descent phase on planetary entry. Presently, Large-Eddy Simulation in combination with an Immersed-Boundary Method is employed to analyze the ...
Barba F. D., Picano F., Placco L.
core   +1 more source

In search of signs of life on Mars with China’s sample return mission Tianwen-3 [PDF]

The aim of China’s Mars sample return mission, known as Tianwen-3, is to collect at least 500 g of samples from Mars and return them to Earth around 2031.
Gong, Jianya, Hou, Zengqian, Jiang, Kun, Kang, Zhizhong, Li, Yang, Li, Yiliang, Lin, Yangting, Liu, Jia, Liu, Jizhong, Liu, Yang, Pang, Fuchuan, Qin, Liping, Ruan, Renhao, Sheng, Zhenfeng, Wang, Chi, Wang, Juntao, Wang, Yuming, Wei, Guangfei, Xiao, Long, Xu, Mengjiao, Xu, Yigang, Yu, Bingkun, Zhang, Chaolin, Zhao, Yu Yan Sara, Zou, Xin   +24 more
core   +1 more source

A Shape-Memory Deployable Subsystem with a Large Folding Ratio in China’s Tianwen-1 Mars Exploration Mission

Engineering, 2023
Once China’s Tianwen-1 Mars probe arrived in a Mars orbit after a seven-month flight in the deep cold space environment, it would be urgently necessary to monitor its state and the surrounding environment.
Chengjun Zeng, Liwu Liu, Yang Du, Miao Yu, Xiaozhou Xin, Tianzhen Liu, Peilei Xu, Yu Yan, Dou Zhang, Wenxu Dai, Xin Lan, Fenghua Zhang, Linlin Wang, Xue Wan, Wenfeng Bian, Yanju Liu, Jinsong Leng   +16 more
doaj   +1 more source

Planetary Entry Probe Dataset: Analysis and Rules of Thumb for Future Missions

, 2023
Since the beginning of robotic interplanetary exploration nearly six decades ago, successful atmospheric entry has been accomplished at Venus, Earth, Mars, Jupiter, and Titan.
Girija, Athul Pradeepkumar
core  

Ancient ocean coastal deposits imaged on Mars. [PDF]

The northern lowlands of early Mars could have contained a significant quantity of liquid water. However, the ocean hypothesis remains controversial due to the lack of conclusive evidence from the Martian subsurface.
Cardenas, Benjamin, Duan, Diwen, Elsworth, Derek, Fang, Guangyou, Li, Jianhui, Liu, Hai, Lu, Haijing, Manga, Michael, Meng, Xu, Zhang, Fengshou, Zhang, Jinhai, Zhou, Bin   +11 more
core   +1 more source

Strengthened inter‐chain π–π contacts in amorphous diketopyrrolopyrrole polymers for robust flexible organic thin‐film transistors

FlexMat, EarlyView.
Vinylene‐linked DPP polymers with expanded thiophene donors achieve strengthened interchain π‐π stacking in near‐amorphous films, enabling high charge mobility and outstanding mechanical stability for flexible organic thin‐film transistors. Abstract Flexible organic thin‐film transistors (OTFTs) based on multi‐vinylene‐linked diketopyrrolopyrrole (DPP)
Yanlin Chen, Shihong Zhou, Tianwen Chen, Zitong Liu, Zhiwei Yang, Haijun Long, Xianfeng Liang, Xiao Xue, Chenyang Lu, Cailong Zhou, Lichun Dong, Luxi Tan   +11 more
wiley   +1 more source