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[期刊论文] 作者:Cheng Xiang,Shan-Shan Li,Sha-Sha Wen,Shao-Hua Xiang, 来源:中国物理B(英文版) 年份:2022
We propose three alternative measures for non-Gaussianity of quantum states:sine distance,Bures angle,and Bures distance,which are based on quantum fidelity introduced by Wang[Phys.Lett.A 373 58(2008)].Using them,we evaluate the non-Gaussia......
[期刊论文] 作者:Wen Qing, 来源:北京周报(英文版) 年份:2022
\'It feels great to be back here and be part of the his-tory,“ Jaqueline Mour?o,a flagbearer for Team Brazil at the Beijing 2022 Winter Olympics opening ceremony, said. Fourteen years ago, she attended the open-ing ceremony of the Olympic ......
[期刊论文] 作者:Wen Qing, 来源:北京周报(英文版) 年份:2022
An unexpected gift for world peace arrived with little fanfare at the beginning of 2022. On January 5, a joint statement onpreventing nuclear war and avoiding arms races was released by the leaders of China, France, Russia, the UK and the U......
[期刊论文] 作者:Wen Qing, 来源:北京周报(英文版) 年份:2022
\'In my capacity as deputy to the National People\'s Congress (NPC),I think my role includes serving as a bridge between people and government. Collecting the opinions from citizens in my community, I make suggestions to the Central Governm......
[期刊论文] 作者:Wen Qing, 来源:北京周报(英文版) 年份:2022
As the spillover effects of the Ukraine crisis continue to spread and world peace and development are facing new challenges, State Councilor and Foreign Minister Wang Yi made a visit to Pakistan, Afghanistan, India and Nepal in March, aimin......
[期刊论文] 作者:Wen Qing, 来源:北京周报(英文版) 年份:2022
[期刊论文] 作者:Wen Chen, 来源:光:科学与应用(英文版) 年份:2022
The high degrees of freedom of light, various optical structures and optical materials can be explored and applied to develop optical encryption for securing information. An exciting optical image encryption approach has been proposed based......
[期刊论文] 作者:SUN Xiaohui,WEN Chenglin,WEN Tao, 来源:电子学报(英文版) 年份:2022
In this paper,a novel maximum corren-tropy high-order extended Kalman filter(H-MCEKF)is proposed for a class of nonlinear non-Gaussian systems presented by polynomial form.All high-order polynomial terms in the state model are defined as im......
[期刊论文] 作者:Zhong Cheng, 来源:北京周报(英文版) 年份:2022
The COVID-19 pandemic, lasting for about two years, has undeniably pre-sented one of the greatest protracted challenges to humanity. Now it is surging with more variants that spread even faster. It has exerted a profound impact on a world d......
[期刊论文] 作者:Zhong Cheng, 来源:北京周报(英文版) 年份:2022
The year 2021 brought nu-merous developments in international and regional arenas, from the COVID-19 world-wide spread and climate change, to the hasty withdrawal of the U.S. from Afghanistan and the renewed atten-tion to the Nuclear Non-Pr......
[期刊论文] 作者:Zhong Cheng, 来源:北京周报(英文版) 年份:2022
The world has been placed on high alert by the escalation of the Russia-Ukraine crisis. The logic behind Russia\'s actions is to protect its national security and to counteract NATO attempts, led by the U.S., to press itself forward onto Ru......
[期刊论文] 作者:Zhong Cheng, 来源:北京周报(英文版) 年份:2022
With the Olympic flame dancing to the drums of the Chinese Year of the Tiger, the Beijing 2022 Games—the first-ever Winter Olympics held in China and its second Olympics after hosting the 2008 Summer Games—concluded on February 20, to be ......
[期刊论文] 作者:Zhong Cheng, 来源:北京周报(英文版) 年份:2022
The Ukraine crisis is holding “a sword of Damocles”over the global economy,UN Secretary General António Guterres has warned, especially over poor, developing countries that face skyrocketing food, fuel and fertilizer prices, and are now ......
[期刊论文] 作者:Hai-Yang Cheng, 来源:科学通报(英文版) 年份:2022
For ground-state singly charmed baryons,the Λ+c,Ξ+c and Ξ0c form an antitriplet representation and they all decay weakly.TheΩ0c,Ξ1+c,Ξ1+c and ∑++,+,0c form a sextet representation;among them,only Ω0c decays weakly....
[期刊论文] 作者:Zhong Cheng, 来源:北京周报(英文版) 年份:2022
In the ongoing Russia-Ukraine conflict,warplanes, rockets, missiles and artillery units are not the only weapons in use. An information war is proving no less fierce than the fighting taking place on the ground....
[期刊论文] 作者:Hui-Ming Cheng, 来源:国家科学评论(英文版) 年份:2022
Voids are an essential scientific issue when it comes to traditional composite materials,because they greatly de-grade the latter\'s properties and usually cause catastrophic failure [1].Many characterization methods,such as mi-croscale X-r......
[期刊论文] 作者:Jianchun Cheng, 来源:中国科学:物理学 力学 天文学(英文版) 年份:2022
Ultrasonic waves,although not audible,naturally exist at high frequencies.Ultrasound can be controlled and unitized in various scenarios.Well-known examples are bats and dolphins,which produce ultrasound and detect the reflected signal for ......
[期刊论文] 作者:Xi Huang,Cheng Cheng,Xiao-bing Zhang, 来源:防务技术 年份:2022
To increase launching frequency and decrease drag force of underwater projectiles,a serial multi-projectiles structure based on the principle of supercavitation is proposed in this paper.The drag reduction and supercavitation characteristic......
[期刊论文] 作者:Wen TENG,Taijie YOU, 来源:数学研究及应用 年份:2022
In this paper,we introduce the representation and cohomology theory of Lie-Yamaguti color algebras.Furthermore,we introduce the notions of generalized derivations of Lie-Yamaguti color algebras and present some properties.Finally,we study l......
[期刊论文] 作者:Wen HUANG,Zeng LIAN, 来源:数学学报(英文版) 年份:2022
In this paper,we construct random horseshoes of Anosov systems driven by an equicon-tinuous system based on an ergodic measure with positive entropy....
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