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Demons,Gods and Games

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China Weekly 2024年第9期 62-62页

作者： sam Duckett 不详

For a country that still had an official ban on video game consoles until 2015,you wouldn't be faulted for thinking that China would never rise to prominence in the realm of console ***,with Game Science's highly anti... 详细信息

关键词： official fault AAA

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Grandma rules

China Weekly 2024年第8期 63-63页

作者： sam Duckett 不详

As my daughter gets ready to enjoy her first summer holiday,I can't help but reminisce about my own summer holidays from school back in *** nan and I would have cinema dates,binge-watch Disney movies,and if we were feeling particularly adventurous,a big day trip to Thorpe Park-one of England's better amusement *** I don't think I could have handled the level of excitement my daughter has experienced this summer.

关键词： daughter Grand handle

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Frozen Joy

China Weekly 2024年第2期 63-63页

作者： sam Duckett 不详

As Christmas approached,Beijing was unexpectedly blessed with heavy *** be told,I went back and forth on whether to use the word“blessed”or“cursed,”but we can talk more about my Grinch-like nature later in the *** up in the drizzling streets of southeast England,a white Christmas was something I had only ever seen in *** to think of it,during my more than 10 years in Beijing,it's been somewhat of a rareoccurrence heretoo.

关键词： southeast Christmas something

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Green Card Club

China Weekly 2024年第4期 63-63页

作者： sam Duckett 不详

Withtherecentunveiling of the new“5-star green card,”the issue of Chinese permanent residence permits has been a hot topic among expat *** a holder of the traditional green card-sans the fancy star on the front-it f... 详细信息

关键词： permanent holder Green

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Editor's Letter

The World of Chinese 2024年第1期 1-1页

作者： sam Davies 不详

China is an education powerhouse. The country’s universities produced nearly 12 million graduates last year, while 18 million teachers in public schools prepared students for exams. But changes are afoot in this giant education sector. This issue’s cover story delves into new trends and strains impacting teachers, students, and universities.

关键词： while education Letter

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Dancing with a Star

China Weekly 2024年第7期 62-62页

作者： sam Duckett 不详

It was just an ordinary day in Beijing when I got a message from my daughter's kindergarten about an upcoming school dance *** first,I thought,"How delightful,I can't wait to see her perform!"To my dismay,I discovered... 详细信息

关键词： daughter dis ordinary

Influence of carbide ceramic reinforcements in improving tribological properties of A333 graded hybrid composites

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Defence Technology（防务技术） 2022年第7期18卷 1107-1123页

作者： Manu sam N.radhika Department of Mechanical Engineering Amrita School of EngineeringCoimbatore641112Amrita Vishwa VidyapeethamIndia

Aluminium hybrid functionally graded metal matrix composites(FGMMCs),meet growing demands for supreme tribo-mechanical performance in automotive and aviation *** research experimentally compares the influence of carbide ceramics(B_(4)C,SiC,TiC)as reinforcements,in improving reciprocating tribology performance and mechanical strength of A333 hybrid composites against *** cylindrical samples of A333/6 wt%B_(4)C/4 wt%TiC and A333/6 wt%B_(4)C/4 wt%SiC hybrid FGMMCs were developed using horizontal centrifugal *** analysis on both composites revealed increasing ceramic gradient distribution towards outer composite *** rich zone of A333/B_(4)C/SiC hybrid FGMMC showed maximum micro-hardness(198.9 HV)and tensile strength(267.9 MPa).Elemental mapping confirmed effective distribution of ceramics and detected elemental composition of both *** rich layer of A333/B_(4)C/SiC hybrid FGMMC exhibited improved wear resistance in comparison with all three layers of A333/B_(4)C/TiC hybrid FGMMC and ***-body abrasion and tribo-chemical wear were the predominant mechanisms revealed for both composites during worn surface analysis.

关键词： Composites Functional Wear Carbide ceramics

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从云端到乡野在重庆刷新人生居住体验

城市地理 2024年第7期 78-83页

作者：田敏妤左小朵(图) minjie(图) 甜心爱溜达(图) sam_717(图) 无不详摄图网

在重庆这座繁忙的都市里,长江与嘉陵江交汇,澄江如练,烟景融融,山水变幻。奔流不息的江边,充满历史感的民国建筑述说着昔日繁华;闹市街巷的深处,绿意盎然的新艺术风酒店充满禅意;人们依地势构建房屋,不仅有高居峰巅的云上清舍,还有隐于... 详细信息

在重庆这座繁忙的都市里,长江与嘉陵江交汇,澄江如练,烟景融融,山水变幻。奔流不息的江边,充满历史感的民国建筑述说着昔日繁华;闹市街巷的深处,绿意盎然的新艺术风酒店充满禅意;人们依地势构建房屋,不仅有高居峰巅的云上清舍,还有隐于百年老村的心灵居所……“巫山七百里,巴水三回曲”,重庆这座“中国的君士坦丁堡”,因地形作为军事要塞的开拓历程已成历史,而长江航运带来的无尽繁荣,依旧在今日上演着新的传奇。

关键词：长江航运军事要塞民国建筑历史感君士坦丁堡

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Fixed-time-synchronized control: a system-dimension-categorized approach

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Science China(Information Sciences) 2023年第7期66卷 177-194页

作者： Wanyue JIANG Shuzhi sam GE Dongyu LI Institute for Future & Shandong Key Laboratory of Industrial Control Technology School of Automation Qingdao University Department of Electrical and Computer Engineering National University of Singapore School of Cyber Science and Technology Beihang University Shanghai Institute of Satellite Engineering

This study addresses the fixed-time-synchronized control problem of perturbed multi-input multioutput(MIMO) systems. In the task of fixed-time-synchronized control, different dimensions of the output signal in MIMO systems are required to reach the desired value simultaneously within a fixed time *** MIMO system is categorized into two cases: the input-dimension-dominant and the state-dimensiondominant cases. The classification is defined according to the dimension of system signals and, more importantly, the capability of converging at the same time. For each kind of MIMO system, sufficient Lyapunov conditions for fixed-time-synchronized convergence are explored, and the corresponding robust sliding mode controllers are designed. Moreover, perturbations are compensated using the super-twisting technique. The brake control of the vertical takeoff and landing aircraft is considered to verify the proposed method for the input-dimension-dominant case, which shows the essential advantages of decreasing the energy consumption and the output trajectory length. Furthermore, comparative numerical simulations are performed to show the semi-time-synchronized property for the state-dimension-dominant case.

关键词： fixed-time-synchronized convergence sliding mode control perturbed MIMO systems

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