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Parallel Driving with Big Models and Foundation Intelligence in Cyber-hysical-ocial Spaces

Research 2024年第2期2024卷 1-17页

作者： Xiao Wang Jun Huang Yonglin Tian Chen Sun Lie Yang Shanhe lou Chen Lv Changyin Sun Fei-Yue Wang School of Artificial Intelligence Anhui UniversityHefeiChina Macao University of Science and Technology MacaoChina State Key Laboratory for Management and Control of Complex Systems Institute of AutomationChinese Academy of SciencesBeijingChina MVSLab Department of Mechanical and Mechatronics EngineeringUniversity of Waterloo200 University Ave WestWaterlooON N2L3G1Canada School of Mechanical and Aerospace Engineering Nanyang Technological UniversitySingaporeSingapore

Recent years have witnessed numerous technical breakthroughs in connected and autonomous vehicles (CAVs). On the one hand, these breakthroughs have significantly advanced the development of intelligent transportation systems (ITSs);on the other hand, these new traffic participants introduce more complex and uncertain elements to ITSs from the social space. Digital twins (DTs) provide real-time, data-driven, precise modeling for constructing the digital mapping of physical-world ITSs. Meanwhile, the metaverse integrates emerging technologies such as virtual reality/mixed reality, artificial intelligence, and DTs to model and explore how to realize improved sustainability, increased efficiency, and enhanced safety. More recently, as a leading effort toward general artificial intelligence, the concept of foundation model was proposed and has achieved significant success, showing great potential to lay the cornerstone for diverse artificial intelligence applications across different domains. In this article, we explore the big models embodied foundation intelligence for parallel driving in cyber-physical-social spaces, which integrate metaverse and DTs to construct a parallel training space for CAVs, and present a comprehensive elucidation of the crucial characteristics and operational mechanisms. Beyond providing the infrastructure and foundation intelligence of big models for parallel driving, this article also discusses future trends and potential research directions, and the ?S?goals of parallel driving.

关键词： breakthrough integrate corners

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Exciton Bose–Einstein Condensation in Transition Metal Dichalcogenide Monolayer under In-Plane Magnetic Fields

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Chinese Physics Letters 2024年第8期41卷 69-76页

作者： Dengfeng Wang Yingda Chen Zhi-Chuan Niu Wen-Kai lou Kai Chang SKLSM Institute of SemiconductorsChinese Academy of SciencesBeijing 100083China College of Materials Science and Opto-electronic Technology Center of Materials Science and Optoelectronics EngineeringUniversity of Chinese Academy of SciencesBeijing 100049China School of Physics Zhejiang UniversityHangzhou 310027China

Based on the Gross–Pitaevskii equation,we theoretically investigate exciton Bose–Einstein condensation(BEC)in transition metal dichalcogenide monolayers(TMDC-MLs)under in-plane magnetic *** observe that the in-plane magnetic fields exert a strong influence on the exciton BEC wave functions in TMDC-MLs because of the mixing of the bright and dark exciton states via Zeeman *** leads to the brightening of the dark exciton BEC *** competition between the dipole–dipole interactions caused by the long-range Coulomb interaction and the Zeeman effect induced by the in-plane magnetic fields can effectively regulate dark exciton BEC *** findings emphasize the utility of TMD-MLs as platforms for investigating collective phenomenon involving excited states.

关键词： effect Einstein dipole

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The Impact of the“Belt and Road”Initiative on Industrial Structure Upgrading Along the Corridor

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Proceedings of Business and Economic Studies 2024年第3期7卷 194-199页

作者： Fangyuan lou School of Social Sciences Harbin Institute of TechnologyHarbin 150001Heilongjiang ProvinceChina

The“Belt and Road”initiative functions as a novel impetus for China’s external economic development within the framework of the new normal of economic *** leveraging panel data from 30 provinces and regions across China for the period of 2010 to 2020,this research assesses the influence of the“Belt and Road”initiative on the enhancement of the industrial structure along its *** findings indicate that:the most notable influence on the rationalization and progress of the industrial structure is observed in the eastern region,with the central region following suit,whereas the western region has yet to exhibit a significant *** analysis delves into the role of technological innovation,concluding that the initiative primarily catalyzes optimization and upgrading through the effect of technological *** study advances several pertinent policy recommendations to support and enhance these developments.

关键词： Belt and Road Industrial structure advancement Industrial structure rationalization

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Compact mid-infrared dual-comb spectrometer over 3-4μm via intra-pulse difference frequency generation in LiNbO_(3) waveguides

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High Power Laser Science and Engineering 2024年第3期12卷 1-8页

作者： Lian Zhou Haipeng lou Zejiang Deng Xiong Qin Jiayi Pan Yuanfeng Di Chenglin Gu Daping Luo Wenxue Li State Key Laboratory of Precision Spectroscopy East China Normal UniversityShanghaiChina Joint Research Center of Light Manipulation Science and Photonic Integrated Chip of East China Normal University and Shandong Normal University East China Normal UniversityShanghaiChina

The mid-infrared optical frequency comb is a powerful tool for gas *** this study,we demonstrate a simple midinfrared dual-comb spectrometer covering 3±4μm in Li Nb O_(3)*** on a low-power fiber laser system,the mid-infrared comb is achieved via intra-pulse difference frequency generation in the Li Nb O_(3)*** construct pre-chirp management before supercontinuum generation to control spatiotemporal alignment for pump and signal *** supercontinuum is directly coupled into a chirped periodically poled Li Nb O_(3)waveguide for the 3±4μm idler generation.A mid-infrared dual-comb spectrometer based on this approach provides a 100 MHz resolution over25 THz *** evaluate the applicability for spectroscopy,we measure the methane spectrum using the dualcomb *** measured results are consistent with the HITRAN database,in which the root mean square of the residual is 3.2%.This proposed method is expected to develop integrated and robust mid-infrared dual-comb spectrometers on chip for sensing.

关键词： difference frequency generation dual-comb spectroscopy mid-infrared gas sensing nonlinear optics

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Dynamic mechanical characteristics of deep Jinping marble in complex stress environments

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Journal of Rock Mechanics and Geotechnical Engineering 2024年第2期16卷 630-644页

作者： Chendi lou Heping Xie Ru Zhang Hai Ren Hao Luo Kun Xiao Yuan Peng Qiang Tan Li Ren Institute for Disaster Management and Reconstruction Sichuan UniversityChengdu610207China College of Water Resource&Hydropower Sichuan UniversityChengdu610065China MOE Key Laboratory of Deep Earth Science&Engineering Sichuan UniversityChengdu610065China Yalong River Hydropower Development Company Ltd.Chengdu610051China (Chongqing)International Engineering Technology Company Ltd.Chongqing401121China

To reveal the dynamic mechanical characteristics of deep rocks,a series of impact tests under triaxial static stress states corresponding to depths of 300-2400 m were *** results showed that both the strain rates and the stress environments in depth significantly affect the mechanical characteristics of *** sensitivity of strain rate to the dynamic strength and deformation modulus shows a negative correlation with depth,indicating that producing penetrative cracks in deep environments is more difficult when damage *** dynamic strength shows a tendency to decrease and then increase slightly,but decreases sharply *** demonstrates a similar trend as that of strength,whereas reflectivity indicates the opposite ***,two critical depths with high dynamically induced hazard possibilities based on the China Jinping Underground Laboratory(CJPL)were proposed for deep *** first critical depth is 600-900 m,beyond which the sensitivity of rock dynamic characteristics to the strain rate and restraint of circumferential stress decrease,causing instability of surrounding rocks under axial stress *** second one lies at 1500-1800 m,where the wave impedance and dynamic strength of deep surrounding rocks drop sharply,and the dissipation energy presents a negative *** suggests that the dynamic instability of deep surrounding rocks can be divided into dynamic load dominant and dynamic load induced types,depending on the second critical depth.

关键词： Rock mechanics Split-Hopkinson pressure bar Coupled static‒dynamic loading Different depths Holmquist-Johnson-Cook(HJC)model

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Clinical usefulness of the baby vision test in young children and its correlation with the Snellen chart

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International Journal of Ophthalmology(English edition) 2024年第2期17卷 348-352页

作者： Ya-Lan Wang Jia-Jun Wang Xi-Cong lou Han Zou Yun-E Zhao The Eye Hospital of Wenzhou Medical University Hangzhou 310000Zhejiang ProvinceChina National Clinical Research Center for Ocular Diseases Wenzhou 325027Zhejiang ProvinceChina

AIM:To investigate the efficacy of a new visual acuity(VA)screening method,the baby vision test for young ***:A total 105 eyes of 65 children aged 2-8y were included in the *** testing was conducted using a standardized recognition acuity chart(Snellen visual chart:at 3 m)and the baby vision model *** baby vision device includes a screen,a near infrared camera and a *** were seated at a measured distance of 33-40 cm from a display for *** was estimated according to the highest resolution the children could *** VA data were converted to logarithm of the minimum angle of resolution(logMAR)for statistical *** VA results for each child were recorded and analyzed for ***:The mean VA measured using the Snellen visual chart was 0.62±0.32,and that assessed using the baby vision test was 0.66±*** 95%limit of agreement was-0.609 to 0.695,with 95.2%(100/105)plots within the 95%limits of *** values of the baby vision test were significantly correlated with those of the Snellen chart(R=0.274,P=0.005).CONCLUSION:The baby vision test can be used as a relatively reliable method for estimating VA in young *** new acuity assessment might be a valid predictor of optotype-measured acuity later in preverbal children.

关键词： baby vision test acuity assessment fix-and-follow system Snellen chart

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基于物理信息引导深度学习的建筑响应实时预测方法

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Engineering 2024年第4期35卷 140-157页

作者： Ying Zhou Shiqiao Meng Yujie lou Qingzhao Kong State Key Laboratory of Disaster Reduction in Civil Engineering Tongji UniversityShanghai 200092China

High-precision and efficient structural response prediction is essential for intelligent disaster prevention and mitigation in building structures,including post-earthquake damage assessment,structural health monitoring,and seismic resilience assessment of *** improve the accuracy and efficiency of structural response prediction,this study proposes a novel physics-informed deep-learning-based realtime structural response prediction method that can predict a large number of nodes in a structure through a data-driven training method and an autoregressive training *** proposed method includes a Phy-Seisformer model that incorporates the physical information of the structure into the model,thereby enabling higher-precision *** were conducted on a four-story masonry structure,an eleven-story reinforced concrete irregular structure,and a twenty-one-story reinforced concrete frame structure to verify the accuracy and efficiency of the proposed *** addition,the effectiveness of the structure in the Phy-Seisformer model was verified using an ablation ***,by conducting a comparative experiment,the impact of the range of seismic wave amplitudes on the prediction accuracy was *** experimental results show that the method proposed in this paper can achieve very high accuracy and at least 5000 times faster calculation speed than finite element calculations for different types of building structures.

关键词： Structural seismic response prediction Physics information informed Real-time prediction Earthquake engineering Data-driven machine learning

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A Case of an 86-Year-Old Male Survivor with Human Respiratory Syncytial Virus and SARS-CoV-2 Virus Coinfection

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China CDC weekly 2024年第8期6卷 148-150,I0001,I0002页

作者： Lan Wang Jinren Pan Yajie Fu Haiyan lou Yin Chen Yunmei Yang Shelan Liu Department of Geriatrics First Affiliated HospitalZhejiang University School of MedicineHangzhou CityZhejiang ProvinceChina Department of Infectious Diseases Zhejiang Provincial Center for Disease Control and PreventionHangzhou CityZhejiang ProvinceChina Department of Laboratory Medicine First Affiliated HospitalCollege of MedicineZhejiang UniversityHangzhou CityZhejiang ProvinceChina Department of Radiology First Affiliated HospitalZhejiang University School of MedicineHangzhou CityZhejiang ProvinceChina Department of Microbiology Zhejiang Provincial Center for Disease Control and PreventionHangzhou CityZhejiang ProvinceChina

As coronavirus disease 2019(COVID-19)public health restrictions are relaxed,the circulation of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)alongside other respiratory viruses may lead to an increased likelihood of coinfection(1).Older patients face a higher risk of severe outcomes,when infected with multiple respiratory viruses(2).This study highlights the successful recovery of the oldest older adult(≥80 years)from pneumonia caused by the dual infection of human respiratory syncytial virus(HRSV)and SARS-CoV-2.

关键词： respiratory acute vivo

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Engineered nanoparticles for precise targeted drug delivery and enhanced therapeutic efficacy in cancer immunotherapy

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Acta Pharmaceutica Sinica B 2024年第8期14卷 3432-3456页

作者： Xueqiang Peng Jianjun Fang Chuyuan lou Liang Yang Shaobo Shan Zixian Wang Yutong Chen Hangyu Li Xuexin Li Department of General Surgery The Fourth Affiliated HospitalChina Medical UniversityShenyang 110032China Department of Ophthalmology Xi’an People’s Hospital(Xi’an Fourth Hospital)Xi’an 710004China Department of Neurosurgery Beijing Tiantan HospitalCapital Medical UniversityBeijing 10050China Department of Medical Oncology Sun Yat-sen University Cancer CenterState Key Laboratory of Oncology in South ChinaCollaborative Innovation Center of Cancer MedicineGuangzhou 510060China Department of Pathology Medical CollegeJinan UniversityGuangzhou 510632China Department of Physiology and Pharmacology Karolinska InstitutetStockholm SE-17177Sweden

The advent of cancer immunotherapy has imparted a transformative impact on cancer treatment paradigms by harnessing the power of the immune ***,the challenge of practical and precise targeting of malignant cells *** address this,engineered nanoparticles(NPs)have emerged as a promising solution for enhancing targeted drug delivery in immunotherapeutic interventions,owing to their small size,low immunogenicity,and ease of surface *** comprehensive review delves into contemporary research at the nexus of NP engineering and immunotherapy,encompassing an extensive spectrum of NP morphologies and strategies tailored toward optimizing tumor targeting and augmenting therapeutic ***,it underscores the mechanisms that NPs leverage to bypass the numerous obstacles encountered in immunotherapeutic regimens and probes into the combined potential of NPs when co-administered with both established and novel immunotherapeutic ***,the review evaluates the existing limitations of NPs as drug delivery platforms in immunotherapy,which could shape the path for future advancements in this promising field.

关键词： Engineered nanoparticles Cancer immunotherapy Drug delivery Bloodebrain barrier Tumor-barrier Nanomedicine Nanomaterial Cancer

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Microwave-Assisted Confining Growth and Liquid Exfoliation of sp3-Hybrid Carbon Nitride Nano/Micro-Crystals

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ENERGY & ENVIRONMENTAL MATERIALS 2024年第6期7卷 399-408页

作者： Shen, Chenglong lou, Qing Liu, Kaikai Zheng, Guangsong Song, Runwei Zang, Jinhao Yang, Xigui Li, Xing Dong, Lin Shan, Chongxin Zhengzhou Univ Minist Educ Sch Phys & Lab Zhongyuan Light Henan Key Lab Diamond Optoelect Mat & DevicesKey Zhengzhou 450052 Peoples R China

As one promising carbon-based material, sp(3)-hybrid carbon nitride has been predicted with various novel physicochemical properties. However, the synthesis of sp(3)-hybrid carbon nitride is still limited by the nanaoscale, low crystallinity, complex source, and expensive instruments. Herein, we have presented a facile approach to the sp(3)-hybrid carbon nitride nano/micro-crystals with microwave-assisted confining growth and liquid exfoliation. Actually, the carbon nitride nano/micro-crystals can spontaneously emerge and grow in the microwave-assisted polymerization of citric acid and urea, and the liquid exfoliation can break the bulk disorder polymer to retrieve the highly crystalline carbon nitride nano/micro-crystals. The obtained carbon nitride nano/micro-crystals present superior blue light absorption strength and surprising photoluminescence quantum yields of 57.96% in ethanol and 18.05% in solid state. The experimental characterizations and density functional theory calculations reveal that the interface-trapped localized exciton may contribute to the excellent intrinsic light emission capability of carbon nitride nano/micro-crystals and the interparticle staggered stacking will prevent the aggregation-caused-quenching partially. Finally, the carbon nitride nano/micro-crystals are demonstrated to be potentially useful as the phosphor medium in light-emitting-diode for interrupting blue light-induced eye damage. This work paves new light on the synthesis strategy of sp(3)-hybrid carbon nitride materials and thus may push forward the development of multiple carbon nitride research.

关键词： confining growth density functional theory liquid exfoliation luminescence sp(3)-hybrid carbon nitride BETA-C3N4 FLUORESCENT FILMS NANODOTS DRIVEN ROUTE DOTS CNX

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