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A 256 Gb/s electronic−photonic monolithically integrated transceiver in 45 nm CMOS

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Journal of Semiconductors 2024年第7期45卷 7-10页

作者： Ang li Qianli Ma yujun Xie Yongliang Xiong Yingjie Ma Han liu Ye Jin Menghan Yang Guike li Haoran Yin Minye Zhu Yang Qu Peng Wang Daofa Wang Wei li liyuan liu Nan Qi Ming li Key Laboratory of Optoelectronic Materials and Devices Institute of SemiconductorsChinese Academy of SciencesBeijing 100083China Institute of Semiconductors Chinese Academy of SciencesBeijing 100083China Center of Materials Science and Optoelectronics engineering University of Chinese Academy of SciencesBeijing 100190China School of electronic Electrical and Communication EngineeringUniversity of Chinese Academy of SciencesBeijing 100049China

With the explosive development of artificial intelligence(AI),machine learning(ML),and high-performance comput-ing(HPC),the ever-growing data movement is asking for high density interconnects with higher bandwidth(BW),lower power and lower latency[1−3].The optical I/O leverages silicon photonic(SiPh)technology to enable high-density large-scale integrated photonics.

关键词： Gb/s transceiver monolithic

effective thermal conductivity estimation using a convolutional neural network and its application in topology optimization

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energy and AI 2024年第1期15卷 236-247页

作者： Andre Adam Huazhen Fang Xianglin li Department of Mechanical engineering University of Kansas1530 W 15th St.Lawrence66045KSUSA Department of Mechanical engineering and Materials Science Washington University in St.LouisOne Brookings DriveSt.Louis63130MOUSA

Topology optimization of heterogeneous structures can find significant use in a wide range of applications,and its fabrication has been made possible by recent advances in additive ***,the optimization procedure is computationally expensive,as each structural update requires the re-evaluation of the *** computational time is the major limiting factor in large-scale and complex structural *** this study,a convolutional neural network(CNN)model for predicting effective thermal conductivity inspired by the VGG networks is *** using 130,000 unique binary images,the model achieves high predictive ***,it shows a mean absolute percent error(MAPe)of 0.35%in testing when the thermal conductivity of the solid is ten times larger than the fluid,and when the thermal conductivities assigned are that of aluminum and water,the MAPe is 2.35%.The prediction time is 15 ms for a single image with 128×128 pixels,which is 3 to 5 orders of magnitude faster than a finite volume *** employed in topology optimization,the CNN retains a MAPe between 0.67%and 11.8%for different *** CNN model correctly predicts trends in effective thermal conductivity and improves the structure to close proximity of a theoretical maximum in all cases.

关键词： Machine learning effective thermal conductivity Convolutional neural network VGG Numerical heat transfer Topology optimization

面向订单装配系统(ATO)两阶段随机库存优化研究

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东北大学学报（自然科学版） 2024年第6期45卷 905-912页

作者：靖可刘宇李乐华大连海事大学航运经济管理学院辽宁大连116026 大连海事大学交通运输工程学院辽宁大连116026 厦门大学管理学院福建厦门361005

基于零部件的基本库存水平补货策略,在多周期订单产品需求不确定情况下构建两阶段随机优化模型:第一阶段在需求未知情况下,规划不同零部件基本库存水平决策变量,实现系统收益最大化;第二阶段针对订单交货期约束创新性设计订单指派决策变... 详细信息

基于零部件的基本库存水平补货策略,在多周期订单产品需求不确定情况下构建两阶段随机优化模型:第一阶段在需求未知情况下,规划不同零部件基本库存水平决策变量,实现系统收益最大化;第二阶段针对订单交货期约束创新性设计订单指派决策变量,考虑在不确定需求收益和订单延期惩罚情况下,最大化订单期望收益.通过采样获取不同需求场景,并将不确定需求转成期望需求,针对该期望需求下的单阶段确定性模型求解,并与随机模型结果进行对比.数值实验表明,随机模型的优化结果远差于确定性模型,即未知信息具有一定的价值;同时通过对模型中参数的灵敏度分析,得到了实际中提升系统收益的策略.

关键词：基本库存水平两阶段随机优化订单装配系统不确定需求订单指派

Association of age at diagnosis of diabetes with subsequent risk of age-related ocular diseases and vision acuity

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World Journal of Diabetes 2024年第4期15卷 697-711页

作者： Si-Ting Ye Xian-Wen Shang yu Huang Susan Zhu Zhuo-Ting Zhu Xue-li Zhang Wei Wang Shu-lin Tang Zong-yuan Ge Xiao-Hong Yang Ming-Guang He The Second Clinical College Guangzhou University of Chinese MedicineGuangzhou 510120Guangdong ProvinceChina Department of Ultrasound The Second Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhou 510120Guangdong ProvinceChina Guangdong eye Institute Department of OphthalmologyGuangdong Provincial People’s HospitalGuangdong Academy of Medical SciencesGuangzhou 510080Guangdong ProvinceChina Guangdong Cardiovascular Institute Guangdong Provincial People's HospitalGuangdong Academy of Medical SciencesGuangzhou 510080Guangdong ProvinceChina Austin Hospital University of MelbourneMelbourne 3084VictoriaAustralia State Key Laboratory of Ophthalmology Zhongshan Ophthalmic CenterSun Yat-sen UniversityGuangzhou 510060Guangdong ProvinceChina Monash e-Research Center Faculty of EngineeringAirdoc ResearchNvidia AI Technology Research CenterMonash UniversityMelbourne 3080VictoriaAustralia Department of Ophthalmic epidemiology Centre for Eye Research AustraliaMelbourne 3002VictoriaAustralia

BACKGROUND The importance of age on the development of ocular conditions has been reported by numerous *** may have different associations with different stages of ocular conditions,and the duration of diabetes may affect the development of diabetic eye *** there is a dose-response relationship between the age at diagnosis of diabetes and the risk of cardiovascular disease and mortality,whether the age at diagnosis of diabetes is associated with incident ocular conditions remains to be *** is unclear which types of diabetes are more predictive of ocular *** To examine associations between the age of diabetes diagnosis and the incidence of cataract,glaucoma,age-related macular degeneration(AMD),and vision *** Our analysis was using the UK *** cohort included 8709 diabetic participants and 17418 controls for ocular condition analysis,and 6689 diabetic participants and 13378 controls for vision *** diseases were identified using inpatient records until January *** acuity was assessed using a *** During a median follow-up of 11.0 years,3874,665,and 616 new cases of cataract,glaucoma,and AMD,respectively,were identified.A stronger association between diabetes and incident ocular conditions was observed where diabetes was diagnosed at a younger *** with type 2 diabetes(T2D)diagnosed atears[HR(95%CI):2.71(1.49-4.93)],45-49 years[2.57(1.17-5.65)],50-54 years[1.85(1.13-3.04)],or 50-59 years of age[1.53(1.00-2.34)]had a higher risk of AMD independent of glycated haemoglobin.T2D diagnosedears[HR(95%CI):2.18(1.71-2.79)],45-49 years[1.54(1.19-2.01)],50-54 years[1.60(1.31-1.96)],or 55-59 years of age[1.21(1.02-1.43)]was associated with an increased cataract risk.T2D diagnosedears of age only was associated with an increased risk of glaucoma[HR(95%CI):1.76(1.00-3.12)].HRs(95%CIs)for AMD,cataract,and glaucoma associated with type 1 diabetes(T1D)were 4.12(1.99-8.53),

关键词： Diabetes Age at diagnosis Cataract Glaucoma Age-related macular disease Vision acuity

Microfluidics-derived microfibers in flexible bioelectronics

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Materials Futures 2024年第3期3卷 54-70页

作者： Chaoyu Yang Xingyu Hou li Zhang Department of Mechanical and Automation engineering The Chinese University of Hong KongShatinN.T.Hong Kong Special Administrative Region of China 999077People’s Republic of China

Flexible electronics have attracted extensive attention across a wide range of fields due to their potential for preventive medicine and early disease ***-based textiles,encountered in everyday life,have emerged as promising platforms with integrated sensing *** technology has been recognized as a promising avenue for the development of flexible conductive microfibers and has made significant *** this review,we provide a comprehensive overview of the state-of-the-art advancements in microfiber-based flexible electronics fabricated using microfluidic ***,the fundamental strategies of the microfluidic fabrication of conductive microfibers with different structures and morphologies are ***,attention is then directed towards the diverse applications of these microfibers in ***,we offer a forwardlooking perspective on the future challenges about microfluidic-derived microfibers in flexible bioelectronics.

关键词： microfluidics conductive microfibers sensing flexible bioelectronics

Deep reinforcement learning for online scheduling of photovoltaic systems with battery energy storage systems

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Intelligent and Converged Networks 2024年第1期5卷 28-41页

作者： Yaze li Jingxian Wu Yanjun Pan the Department of electrical engineering University of ArkansasFayettevilleAR 72701USA the Department of Computer Science and Computer engineering University of ArkansasFayettevilleAR 72701USA

A new online scheduling algorithm is proposed for photovoltaic(PV)systems with battery-assisted energy storage systems(BeSS).The stochastic nature of renewable energy sources necessitates the employment of BeSS to balance energy supplies and demands under uncertain weather *** proposed online scheduling algorithm aims at minimizing the overall energy cost by performing actions such as load shifting and peak shaving through carefully scheduled BeSS charging/discharging *** scheduling algorithm is developed by using deep deterministic policy gradient(DDPG),a deep reinforcement learning(DRL)algorithm that can deal with continuous state and action *** of the main contributions of this work is a new DDPG reward function,which is designed based on the unique behaviors of energy *** new reward function can guide the scheduler to learn the appropriate behaviors of load shifting and peak shaving through a balanced process of exploration and *** new scheduling algorithm is tested through case studies using real world data,and the results indicate that it outperforms existing algorithms such as Deep *** online algorithm can efficiently learn the behaviors of optimum non-casual off-line algorithms.

关键词： photovoltaic(PV) battery energy storage system(BeSS) Markov decision process(MDP) deep deterministic policy gradient(DDPG)

A Study on the Performances of Solar Air Collectors Having a Hemispherical Dimple on the Absorber Plate

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Fluid Dynamics & Materials Processing 2024年第5期20卷 939-955页

作者： Shuilian li Fan Zeng Xinli Wei School of Architecture and environmental engineering Zhengzhou Technical CollegeZhengzhou450121China School of Mechanical and Power engineering Zhengzhou UniversityZhengzhou450001China

In order to increase the efficiency of solar air collectors,a new variant with a protrusion is proposed in this study,and its performances are analyzed from two points of view,namely,in terms of optics and thermodynamics *** comparing and analyzing the light paths of the protrusion and the dimple,it can be concluded that when sunlight shines on the dimple,it is reflected and absorbed multiple times,whereas for the sunlight shining on the protrusion,there is no secondary reflection or absorption of *** the lighting area and the properties of the surfaces are the same,the absorption rate of the dimple is 10.3 percentage points higher than that of the *** the range of Reynolds number from 3000 to 11000,numerical simulations about the effects of the relative height(e/Dh=0.033–0.1)and relative spacing(p/e=4.5–8.5)of protrusions on air heat transfer and flow resistance show that,in terms of comprehensive evaluation coefficient(PF),the best relative height is 0.085,when the relative spacing is 5.A correlation of Nu and f with Re,e/Dh and p/e is obtained by linear regression of the results,in order to provide a useful reference for the design and optimization of this kind of solar air collector.

关键词： Heat transfer hemispherical protrusion dimple solar air collector correlation

Dual-targeted treatment for inflammatory bowel disease:Whether fecal microbiota transplantation can be an important part of it

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World Journal of Gastroenterology 2024年第36期30卷 4025-4030页

作者： Zi-Ning Zhang li-Xuan Sang Department of Gastroenterology The Shengjing Hospital of China Medical UniversityShenyang 110022Liaoning ProvinceChina

Inflammatory bowel disease(IBD)is a chronic gastrointestinal inflammatory *** the emergence of biologics and other therapeutic methods,two biologics or one biologic combined with a novel small-molecule drug has been proposed in recent years to treat *** treatment strategies for IBD are being optimized,their efficacy and risks still warrant further *** editorial explores the current risks associated with dual-targeted treatment for IBD and the great potential that fecal microbiota transplantation(FMT)may have for use in combination therapy for *** are focused on addressing refractory IBD or biologically resistant IBD based on currently available dual-targeted treatment by incorporating FMT as part of this dual-targeted *** this new therapy regimen,FMT represents a promising combination therapy.

关键词： Gut microbiota Inflammatory bowel disease Fecal microbiota transplantation Dual-targeted treatment Combination treatment

effects of Flowering Mode and Pollinator Sharing on Reproductive Success in Natural Hybrid of Two epimedium(Berberidaceae)Species

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Phyton-International Journal of experimental Botany 2024年第3期93卷 551-566页

作者： Lanying Chen Qiumei Quan yunxiang li College of life Sciences China West Normal UniversityNanchong637000China School of ecology and environment Tibet UniversityLasha850000China College of environment Science and engineering China West Normal UniversityNanchong637000China

Mediated by pollenﬂow,natural hybridization is deemed a crucial factor that propels speciation inﬂoral *** the fact that the diversity of epimedium species is concentrated mainly in Southwestern China,the poten-tial impact of interspeciﬁc pollination on natural hybridization has yet to be empirically *** explore this,we studied theﬂowering period and the visitors ofﬂowers in three frequently overlapping epimedium species at Jinchengshan National Forest Park,located in Nanchong,Sichuan ***,we performed a ser-ies of pollination experiments to examine breeding systems and hybrid ***,epime-dium pubescens and epimedium wushanense are clearly distinct and easily recognizable byﬂower morphology,while the putative hybrid is morphologically intermediate between *** observation revealed that ***-escens and *** had 15 days of overlapping *** species are self-incompatible and require pol-linator services for successful *** their pollinators differ in quantity and species,Lasioglossum sp.(Hymenoptera:Halictidae)visited all three ***ﬁcial pollination revealed no breeding barriers among the three species,and the resulting hybrid seeds exhibited *** overlapping time ofﬂowering,commonﬂoral visitors,and compatibility of hybrids may be important factors contributing to successful interspeciﬁc pol-lination and speciation for natural hybrid species of *** and ***,the role of potential interspeciﬁc pollination is crucial for hybrid speciation and the evolutionary dynamics of epimedium species.

关键词： Breeding system ﬂoral visitor medicinal plant species evolution