Results 41 to 50 of about 41,974,173 (304)

Status of research on non-conventional technology assisted single-point diamond turning

Nanotechnology and Precision Engineering, 2023
With the increasing use of difficult-to-machine materials in aerospace applications, machining requirements are becoming ever more rigorous. However, traditional single-point diamond turning (SPDT) can cause surface damage and tool wear.
Zhuang Chen, Guangjun Chen, Zhiwei Yu, Jiashuai Huang, Hong Wei   +4 more
doaj   +1 more source

Need for speed: High-speed rail and firm performance

Journal of Corporate Finance, 2020
Exploiting the staggered expansion of China's passenger-dedicated high-speed rail (HSR) network, we study the relationship between HSR connection and firm performance. By highlighting the importance of firm location and face-to-face interactions, we test
Chun Kuang, Zijie Liu, Wen-Yu Zhu
semanticscholar   +1 more source

Early Body Mass Index z‐Score Change and Resolution of Severe Malnutrition in Children With Sickle Cell Anemia in a Low‐Income Setting: A Prospective Single‐Arm Extension Study

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Children with sickle cell anemia (SCA) in low‐income settings are at risk of severe malnutrition, but optimal nutritional management has not been established. We evaluated an intensified ready‐to‐use therapeutic food (RUTF) regimen in children with persistent severe malnutrition after initial treatment and assessed whether early ...
Safiya Gambo, Shehu Umar Abdullahi, Hassan Adam Murtala, Halima Kabir, Khadija A. Shamsu, Sari A. Acra, Virginia A. Stallings, Mark Rodeghier, Michael R. DeBaun, Lauren J. Klein   +9 more
wiley   +1 more source

Study on Flow Mechanism of a Morphing Supercritical Airfoil

Shock and Vibration, 2021
In order to maintain the best performance in flight, a new concept, morphing aircraft, has been proposed, which can change the real-time aerodynamic characteristics under different flight conditions.
Yuanjing Wang, Binbin Lv, Pengxuan Lei, Wenkui Shi, Yu Yan   +4 more
doaj   +1 more source

Central Nervous System Tumors Among Infants in Canada: A Report From CYP‐C

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Central nervous system (CNS) tumors in infants are rare, pose unique clinical challenges, and lack large‐scale evidence‐based data to guide management. This study seeks to describe CNS tumors in Canadian infants and to compare their outcomes with those of older children.
Samuel Sassine, Hallie Coltin, Sylvia Cheng, Lucie Lafay‐Cousin, Vanan Issai Magimairajan, Craig Erker, Stéphanie Vairy, Lynette Bowes, Adam Fleming, Donna Johnston, Sarah McKillop, Roona Sinha, Julie Bennett, Christina Coleman, Laura Wheaton, Shayna Zelcer, Samuele Renzi, Thai Hoa Tran   +17 more
wiley   +1 more source

Experimental study on the influence of vibration mixing on the characteristics of holes and durability of marine concrete

Scientific Reports
The pore characteristics and composition of concrete affect its strength and durability. In order to improve the service life of marine concrete, this paper conducted experimental research on the performance of high-performance marine concrete based on ...
Zhaoyong Chen, Fuchang Wang, Benwang Liu, Zengqiang Wang, Ao Meng, Zhaomeng Bian   +5 more
doaj   +1 more source

Numerical Study of Nonadiabatic Wall Effects on Aerodynamic Characteristics of CHN-T1 Standard Model

Aerospace, 2023
Cryogenic wind tunnels provide the for possibility aerodynamic tests to take place over high Reynolds numbers by operating at a low gas temperature to meet the real flight simulation requirements, especially for state-of-the-art large transport aircrafts.
Xiaobing Wang, Junqiang Wu, Jianzhong Chen, Yuping Li, Zhongliang Zhao, Guangyuan Liu, Yang Tao, Neng Xiong   +7 more
doaj   +1 more source

Implementation-of-Power-Management-in-High-Speed-Electronic-Devices.pdf

, 2022
 This paper describes techniques to manage the power consumption of high-speed programmable logic devices (PLDs). Power consumption has become an increasingly important issue to system designers as the speed (and thus power consumption) of programmable ...
ganesh E N (12315038)
core   +1 more source

Impact of Radiation Therapy on Physical and Psychosocial Health of Adolescents and Young Adults: A Joint Report From the Children's Oncology Group AYA and Radiation Oncology Committees

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Rates of cancer among adolescents and young adults (AYA), age 15–39 years, are increasing. Consequently, radiation oncologists are treating more AYAs who have diagnoses spanning both pediatric and adult practices. Compared to pediatric and older adult patients, AYAs face a unique set of challenges.
Hesham Elhalawani, Rachel K. Peterson, Avani D. Rao, Laurie J. McKenzie, Ahmed Magdy Elmotayam, Leslie Chang, Michael Roth, Susan L. McGovern   +7 more
wiley   +1 more source

Application of pressure scanning valve system in wind tunnel test

Dianzi Jishu Yingyong
In order to study the application characteristics of three typical pressure scanning valve system in wind tunnel environments and provide technical support for related experiments, a systematic research and comparative analysis method was adopted.Wind ...
He Zhenyang, Huang Hui, Fan Jinlei, Deng Fuqiang, Pang Zhanghao   +4 more
doaj   +1 more source