The Honorable Under Secretary Marisa Lago,Chairman Rajesh Subramaniam,President Craig Allen,Incoming President Sean Stein,Ladies and gentlemen.Dear friends,Good evening!First,I have the honor to read the congratulator...
supported by the National Key Research and Development Program(2022YFA1104900 and 2019YFA0801703);the National Natural Science Foundation of China(31871370)。
The vertebrate limb development serves as an excellent model in morphology,developmental biology,and evolutionary studies owing to its remarkable morphological and functional diversity.Forelimbs and hindlimbs originat...
Early summer in the Southern Hemisphere is a season brimming with vitality and hope.At the invitation of President Dina Boluarte,I will soon pay a state visit to the Republic of Peru and attend the 31st APEC Economic ...
supported by the National Natural Science Foundation of China(Grant No.12372044).
This paper investigates the heliocentric time-optimal rendezvous performance of Sun-facing diffractive solar sails with various deflection angles and acceleration capabilities.Diffractive solar sails,which generate ta...
supported by the National Natural Science Foundation of China(No.12302052);the Fundamental Research Funds for the Central Universities,China(No.XJSJ23128);the Discovery Grant of Natural Sciences and Engineering Research Council of Canada(No.RGPIN2018-05991)。
This paper studies the equilibrium state and trajectory dynamics of an axially symmetric Electric solar wind sail(E-sail)at arbitrary sail angles.The E-sail is assumed operating in a heliocentric-ecliptic orbit at app...
How to Clearly Describe Directions Imagine you arrive in an unfamiliar city and want to go to the local theme park,but you don’t know where the park is,so you pick up the"old-fashioned"mobile phone that can only make...
supported by the National Key R&D Program of China (2018YFD0901406);the National Natural Science Foundation of China (31872565);the earmarked fund for CARS (CARS-49);the Sponsored by Program of Shanghai Academic Research Leader (19XD1421500).
In triangle sail mussel(Hyriopsis cumingii),shell biomineralization is a complicated process that involves multiple gene products.Shell matrix proteins are involved in the formation of the organic framework and play a...
supported by the Fundamental Research Funds for the Central Universities(Grant No.XJSJ23128);Discovery Grant(Grant No.RGPIN2018-05991)from the Natural Sciences and Engineering Research Council of Canada.
This study examines the impact of electric solar wind sail(E-sail)parameters on the attitude stability of E-sail’s central spacecraft by using a comprehensive rigid–flexible coupling dynamic model.In this model,the ...
This study analyzes the optimal transfer trajectory of a spacecraft propelled by a spinstabilized electric solar wind sail(E-sail)with a single conducting tether and a spin axis with a fixed direction in an inertial(h...
In"Lonely Planet",there is a saying that goes,"Often when people think of Africa,they are actually thinking of Tanzania".There are the African savannas,the great animal migrations,and Kilimanjaro,bringing together the...