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[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 ......
Machine learning and numerical investigation on drag reduction of underwater serial multi-projectile
[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:DONG Peng,CHENG Jie,
来源:武汉理工大学学报(材料科学版)(英文版) 年份:2022
The 2024 anodized aluminum alloy film was sealed by KAl(SO4)2 solution and the effect of sealing on corrosion resistance was investigated by means of potentiodynamic polarization curves, electrochemical impedance spectroscopy, and X-ray pho......
Majorana zero modes,unconventional real-complex transition,and mobility edges in a one-dimensional n
[期刊论文] 作者:Shujie Cheng,Xianlong Gao,
来源:中国物理B(英文版) 年份:2022
A one-dimensional non-Hermitian quasiperiodic p-wave superconductor without PT-symmetry is studied.By an-alyzing the spectrum,we discovered that there still exists real-complex energy transition even if the inexistence of PT-symmetry breaki......
Impacts of Oceanic Fronts and Eddies in the Kuroshio-Oyashio Extension Region on the Atmospheric Gen
[期刊论文] 作者:Guidi ZHOU,Xuhua CHENG,
来源:大气科学进展(英文版) 年份:2022
This paper reviews the progress in our understanding of the atmospheric response to midlatitude oceanic fronts and eddies, emphasizing the Kuroshio-Oyashio Extension (KOE) region. Oceanic perturbations of interest consist of sharp oceanic f......
[期刊论文] 作者:CHENG Manli,ZHOU Yanping,
来源:武汉大学自然科学学报(英文版) 年份:2022
Based on the notion of the complex Lp centroid body,we establish Brunn-Minkowski type inequalities and monotonicity inequalities for complex Lp centroid bodies in this article.Moreover,we obtain the affirmative form of Shephard type prob-le......
[期刊论文] 作者:Chun CHENG,Changbin YU,
来源:中国科学:信息科学(英文版) 年份:2022
Dear editor,rnOver the past decade,“opinion dynamics”of social networks have obtained considerable attention from control theory,sociology,and physics[1-3].One of the most commonly studied models is the Hegselmann-Krause(H-K)model[4],whic......
Government environmental control measures on CO2 emission during the 2014 Youth Olympic Games in Nan
[期刊论文] 作者:Cheng Hu,Cheng Liu,Ning Hu,Jun Hong,Xinyue Ai,
来源:环境科学学报(英文版) 年份:2022
Strict air pollution control measures were conducted during the Youth Olympic Games(YOG) period at Nanjing city and surrounding areas in August 2014.This event provides a unique chance to evaluate the effect of government control measures o......
[期刊论文] 作者:Evelyn Cheng,徐紫涵,
来源:英语文摘 年份:2022
近来身家暴增的中国网红不断打破直播销售纪录,商家则在寻找更适合其品牌的营销策略.rn许多分析人上表示,直播已经得到普遍认可,但单纯依靠网红和浏览量是不够的.rn“直播带货”这种实时在线销售现象自去年(2020年)新冠肺炎疫情暴发以来在中国迅速兴起,并在其他......
[期刊论文] 作者:Yanting Cheng,Xin Chen,Ren Zhang,
来源:物理学前沿 年份:2022
Motivated by recent theoretical and experimental advances in quantum simulations using alkaline earth(AE) atoms,we put forward a proposal to detect the Kondo physics in a cold atomic system.It has been demonstrated that the intrinsic spin-e......
IoT sensor-based BIM system for smart safety barriers of hazardous energy in petrochemical construct
[期刊论文] 作者:Lieyun DING,Weiguang JIANG,Cheng ZHOU,
来源:工程管理前沿(英文版) 年份:2022
The accidental release of hazardous energy is one of the causes of construction site accidents.This risk is considerably increased during petrochemical plant con-struction because the project itself is complex in terms of process,equipment,......
[期刊论文] 作者:Congzhi Wu,Hongxia Ge,Rongjun Cheng,
来源:中国物理B(英文版) 年份:2022
Based on the fact that the electronic throttle angle effect performs well in the traditional car following model,this paper attempts to introduce the electronic throttle angle into the smart driver model (SDM) as an acceleration feedback co......
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