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A Survey on Event Tracking in Social media Data Streams

Big Data mining and Analytics 2024年第1期7卷 217-243页

作者： Zixuan Han Leilei Shi Lu Liu Liang Jiang Jiawei Fang Fanyuan Lin Jinjuan Zhang john Panneerselvam Nick Antonopoulos School of Computer Science and Communication Engineering and Jiangsu Key Laboratory of Security Technology for Industrial Cyberspace Jiangsu UniversityZhenjiang 212013China School of Computing and mathematical Sciences University of LeicesterLeicesterLE17RHUK Ocean College Jiangsu University of Science and TechnologyZhenjiang 212100China University Executive Office Edinburgh Napier UniversityEdinburghEH114BNUK

Social networks are inevitable parts of our daily life,where an unprecedented amount of complex data corresponding to a diverse range of applications are *** such,it is imperative to conduct research on social events and patterns from the perspectives of conventional sociology to optimize services that originate from social *** tracking in social networks finds various applications,such as network security and societal governance,which involves analyzing data generated by user groups on social networks in real ***,as deep learning techniques continue to advance and make important breakthroughs in various fields,researchers are using this technology to progressively optimize the effectiveness of Event Detection(ED)and tracking *** this regard,this paper presents an in-depth comprehensive review of the concept and methods involved in ED and tracking in social *** introduce mainstream event tracking methods,which involve three primary technical steps:ED,event propagation,and event ***,we introduce benchmark datasets and evaluation metrics for ED and tracking,which allow comparative analysis on the performance of mainstream ***,we present a comprehensive analysis of the main research findings and existing limitations in this field,as well as future research prospects and challenges.

关键词： Event Detection(ED) event propagation event evolution social networks

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Wireless sequential dual light delivery for programmed PDT in vivo

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Light(Science & Applications) 2024年第6期13卷 1047-1061页

作者： Jiayi Liu Bowen Sun Wenkai Li Han-Joon Kim Shu Uin Gan john S.Ho Juwita Norasmara Bte Rahmat Yong Zhang Department of Oncology The Second Xiangya HospitalCentral South UniversityChangshaHunan410011China Department of Biomedical Engineering College of Design and EngineeringNational University of SingaporeSingapore117585Singapore Department of mechanical Engineering College of Design and EngineeringNational University of SingaporeSingapore117576Singapore Department of Electrical and Computer Engineering College of Design and EngineeringNational University of SingaporeSingapore117583Singapore Department of medical IT Convergence Engineering Kumoh National Institute of TechnologyGumi39253Republic of Korea Department of Surgery Yong Loo Lin School of MedicineNational University of SingaporeSingapore119228Singapore The N.1 Institute for Health National University of SingaporeSingapore117456Singapore Institute for Health Innovation and Technology National University of SingaporeSingapore119276Singapore Department of Biomedical Engineering College of EngineeringCity University of Hong KongKowloonHong Kong SARChina

Using photodynamic therapy(PDT)to treat deep-seated cancers is limited due to inefficient delivery of photosensitizers and low tissue penetration of *** nanocarriers are widely used for photosensitizer delivery,while the self-quenching of the encapsulated photosensitizers would impair the PDT ***,the generated short-lived reactive oxygen spieces(ROS)can hardly diffuse out of nanocarriers,resulting in low PDT ***,a smart nanocarrier system which can be degraded by light,followed by photosensitizer activation can potentially overcome these limitations and enhance the PDT efficacy.A light-sensitive polymer nanocarrier encapsulating photosensitizer(RB-m)was *** implantable wireless dual wavelength microLED device which delivers the two light wavelengths sequentially was developed to programmatically control the release and activation of the loaded *** transmitter coils with matching resonant frequencies allow activation of the connected LEDs to emit different wavelengths *** irradiation time,dose,and RB-m concentration were determined using an agent-based digital simulation *** vitro and in vivo validation experiments in an orthotopic rat liver hepatocellular carcinoma disease model confirmed that the nanocarrier rupture and sequential low dose light irradiation strategy resulted in successful PDT at reduced photosensitizer and irradiation dose,which is a clinically significant event that enhances treatment safety.

关键词： PDT overcome hardly

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黄土高原全新世土壤碳酸盐团簇同位素的温度重建

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第四纪研究 2024年第5期44卷 1411-1420页

作者：董吉宝 john EILER 中国科学院地球环境研究所黄土与第四纪地质国家重点实验室陕西西安710061 California Institute of Technology PasadenaCA 91125USA

黄土高原黄土-古土壤序列中保存有丰富的土壤碳酸盐,是利用碳酸盐团簇同位素(Δ_(47))定量重建古温度的重要地质载体之一。然而,黄土高原全新世土壤碳酸盐Δ_(47)及其气候指示意义的系统研究仍然缺乏。本研究分析了黄土高原南缘渭南剖... 详细信息

黄土高原黄土-古土壤序列中保存有丰富的土壤碳酸盐,是利用碳酸盐团簇同位素(Δ_(47))定量重建古温度的重要地质载体之一。然而,黄土高原全新世土壤碳酸盐Δ_(47)及其气候指示意义的系统研究仍然缺乏。本研究分析了黄土高原南缘渭南剖面和中部洛川剖面上部3 m沉积中保存的全新世土壤碳酸盐(钙结核)的团簇同位素组成,监测了现在地形条件下距地表4 m以内不同深度的土壤温度。结果显示,Δ_(47)定量重建的全新世土壤碳酸盐团簇同位素温度(T_(47))与现代暖季节温度相近,渭南剖面T_(47)平均值约为25℃,洛川剖面约为18℃,较区域年均温高8~10℃。根据T_(47)和土壤碳酸盐氧同位素组成(δ18O)重建的土壤水δ18O也与暖季节降水的δ18O基本一致,这些数据表明黄土高原土壤碳酸盐记录了暖季节的环境信息。值得注意的是,渭南和洛川剖面钙结核T_(47)值与其形成深度的土壤温度基本吻合,结合前人研究结果,这暗示了土壤碳酸盐形成深度对其T_(47)具有显著影响。因此,在将来土壤碳酸盐Δ_(47)的研究中,评估土壤碳酸盐形成深度至关重要。

关键词：土壤碳酸盐团簇同位素(Δ_(47)) 全新世黄土高原季节性

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Prehospital transdermal glyceryl trinitrate for ultra- acute ischaemic stroke: data from the RIGHT- 2 randomised sham- controlled ambulance trial

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Stroke & Vascular Neurology 2024年第1期9卷 38-49,I0035-I0046页

作者： Jason Philip Appleton Lisa J Woodhouse Craig S Anderson Sandeep Ankolekar Lesley Cala mark Dixon Timothy J England Kailash Krishnan Grant mair Keith W muir john Potter Christopher I Price marc Randall Thompson G Robinson Christine Roffe Else C Sandset Jeffrey L Saver Angela Shone Aloysius Niroshan Siriwardena Joanna m Wardlaw Nikola Sprigg Philip m Bath Stroke University Hospitals Birmingham NHS Foundation TrustBirminghamUK Institute of Applied HealthResearch University of Birmingham College of Medical and Dental SciencesBirminghamUK Stroke Trials Unit Mental Health and Clinical NeurosciencesUniversity of NottinghamNottinghamUK Faculty of medicine The George Institute for Global HealthSydneyNew South WalesAustralia The George Institute China at Peking University Health Science Center BeijingChina Neurology Royal Prince Alfred HospitalSydney Health PartnersSydneyNew South WalesAustralia Department of Neurology King's College Hospital NHS Foundation TrustLondonUK Faculty of Health and medical Sciences University of Western AustraliaCrawleyWestern AustraliaAustralia East midlands Ambulance Service NHS Trust NottinghamUK Stroke Queen's Medical CentreNottingham University Hospitals NHS TrustNottinghamUK Centre for Clinical Brain Sciences Dementia Research InstituteUniveristy of EdinburghEdinburghUK Institute of Neurology and Psychology University of GlasgowGlasgowUK Bob Champion Research and Education Building University of East AngliaNorwichUK Institute of Neuroscience Newcastle UniversityNewcastle upon TyneUK Department of Neurology Leeds Teaching Hospitals NHS TrustLeedsUK Department of Cardiovascular Sciences and NIHR Leicester Biomedical Research Centre University of LeicesterLeicesterUK Stroke Research in Stoke Institute for Science and Technology in MedicineKeele UniversityStoke-on TrentUK Department of Neurology Oslo University HospitalOsloNorway Research and Development Norwegian Air Ambulance FoundationOsloNorway Department of Neurology and Comprehensive Stroke Center David Geffen School of MedicineUCLALos AngelesCaliforniaUSA Research and Graduate Services University of NottinghamNottinghamUK Community and Health Research Unit University of LincolnLincolnUK

Background The effect of transdermal glyceryl trinitrate(GTN,a nitrovasodilator)on clinical outcome when administered before hospital admission in suspected stroke patients is ***,we assess the safety and efficacy of GTN in the prespecified subgroup of patients who had an ischaemic stroke within the Rapid Intervention with Glyceryl trinitrate in Hypertensive stroke Trial-2(RIGHT-2).methods RIGHT-2 was an ambulance-based multicentre sham-controlled blinded-endpoint study with patients randomised within 4hours of *** primary outcome was a shift in scores on the modified Rankin scale(mRS)at day *** outcomes included death;a global analysis(Wei-Lachin test)containing Barthel Index,EuroQol-5D,mRS,telephone interview for cognitive status-modified and Zung depression scale;and neuroimaging-determined‘brain frailty’*** were reported as n(%),mean(SD),median[IQR],adjusted common OR(acOR),mean difference or mann-Whitney difference(mWD)with 95%*** 597 of 1149(52%)patients had a final diagnosis of ischaemic stroke;age 75(12)years,premorbid mRS>2107(18%),Glasgow Coma Scale 14(2)and time from onset to randomisation 67[45,108]***‘brain frailty’was common:median score 2[2,3](range 0–3).At day 90,GTN did not influence the primary outcome(acOR for increased disability 1.15,95%CI 0.85 to 1.54),death or global analysis(mWD 0.00,95%CI-0.10 to 0.09).In subgroup analyses,there were non-significant interactions suggesting GTN may be associated with more death and dependency in participants randomised within 1hour of symptom onset and in those with more severe *** In patients who had an ischaemic stroke,ultra-acute administration of transdermal GTN in the ambulance did not improve clinical outcomes in a population with more clinical and radiological frailty than seen in previous in-hospital *** IS ALREADY KNOWN ON THIS TOPIC⇒Transdermal glyceryl trinitrate(GTN)was associat-ed with less death and dependency in those w

关键词： Glasgow nitrate random

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2024 Adult Compendium of Physical Activities:A third update of the energy costs of human activities

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Journal of Sport and Health Science 2024年第1期13卷 6-12页

作者： Stephen D.Herrmann Erik A.Willis Barbara E.Ainsworth Tiago V.Barreira mary Hastert Chelsea L.Kracht john m.Schuna Jr. Zhenghui Cai minghui Quan Catrine Tudor-Locke melicia C.Whitt-Glover David R. Jacobs Jr. Kansas Center for metabolism and Obesity Research University of Kansas Medical CenterKansas CityKS 66160USA Division of Physical Activity and Weight management Department of Internal MedicineUniversity of Kansas Medical CenterKansas CityKS 66160USA Center for Health Promotion and Disease Prevention University of North Carolina at Chapel HillChapel HillNC 27599USA College of Health Solutions Arizona State UniversityPhoenixAZ 85003USA School of Exercise and Health Shanghai University of SportShanghai 200438China Exercise Science Department Syracuse UniversitySyracuseNY 13244USA Clinical Sciences Division Pennington Biomedical Research CenterBaton RougeLA 70808USA School of Exercise and Sport Science Oregon State UniversityCorvallisOR 97331USA College of Health and Human Services University of North Carolina at CharlotteCharlotteNC 28223USA Gramercy Research Group KnightdaleNC 27545USA Division of Epidemiology and Community Health School of Public HealthUniversity of MinnesotaMinneapolisMN 55454USA

Background:The Compendium of Physical Activities was published in 1993 to improve the comparability of energy expenditure values assigned to self-reported physical activity(PA)across *** original version was updated in 2000,and again in 2011,and has been widely used to support PA research,practice,and public health ***:This 2024 update was tailored for adults 19-59 years of age by removing data from those≥60 *** a systematic review and supplementary searches,we identified new activities and their associated measured metabolic equivalent(mET)values(using indirect calorimetry)published since *** replaced estimated mETs with measured values when ***:We screened 32,173 abstracts and 1507 full-text papers and extracted 2356 PA energy expenditure values from 701 *** added303 new PAs and adjusted 176 existing mET values and descriptions to reflect the addition of new data and removal of mETs for older *** added a major Heading(Video Games).The 2024 Adult Compendium includes 1114 PAs(912 with measured and 202 with estimated values)across 22 major ***:This comprehensive update and refinement led to the creation of The 2024 Adult Compendium,which has utility across research,public health,education,and healthcare domains,as well as in the development of consumer health *** new website with the complete lists of PAs and supporting resources is available at https://***.

关键词： Adults Energy expenditure Exercise mET Physical Activities

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Does the use of double hormone replacement therapy for trauma patient organ donors improve organ recovery for transplant

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World Journal of Transplantation 2024年第2期14卷 119-125页

作者： Eden m Gallegos Tanner Reed Paige Deville Blake Platt Claudia Leonardi Lillian Bellfi Jessica Dufrene Saad Chaudhary john Hunt Lance Stuke Patrick Greiffenstein Jonathan Schoen Alan marr Anil Paramesh Alison A Smith Department of Physiology Louisiana State University Health Sciences Center New OrleansNew OrleansLA 70124United States Department of medicine Louisiana State University Health Sciences Center New OrleansNew OrleansLA 70112United States Department of Surgery Louisiana State University Health Sciences Center New OrleansNew OrleansLA 70112United States Department of Trauma Surgery Tacoma General HospitalTacoma 98405United States Department of Public Health Louisiana State University Health Sciences Center New OrleansNew OrleansLA 70112United States Department of Donation Services Louisiana Organ Procurement AgencyCovingtonLA 70433United States Department of Surgery Tulane Transplant InstituteTulane University School of MedicineNew OrleansLA 70112United States

BACKGROUND With an ongoing demand for transplantable organs,optimization of donor management protocols,specifically in trauma populations,is important for obta-ining a high yield of viable organs per *** management of brain-dead potential organ donors(BPODs)is controversial,leading to heterogeneous clinical management *** studies have shown that when levo-thyroxine was combined with other treatments,including steroids,vasopressin,and insulin,BPODs had better organ recovery and survival outcomes were increased for transplant *** To determine if levothyroxine use in combination with steroids in BPODs increased the number of organs donated in trauma *** A retrospective review of adult BPODs from a single level 1 trauma center over ten years was *** criteria included patients who were not solid organ donors,patients who were not declared brain dead(donation after circulatory death),and patients who did not receive steroids in their hospital *** and steroid administration,the number of organs donated,the types of organs donated,and demographic information were *** analyses were performed with Pmet inclusion criteria,69(78%)of whom received levothyroxine and steroids(ST/LT group)vs 19(22%)receiving steroids without levothyroxine(ST group).No differences were observed between the groups for gender,race,pertinent injury factors,age,or other hormone therapies used(P>0.05).In the ST/LT group,68.1%(n=47)donated a high yield(3-5)of organ types per donor compared to 42.1%(n=8)in the ST group(P=0.038).There was no difference in the total number of organ types donated between the groups(P=0.068).CONCLUSION This study suggests that combining levothyroxine and steroid administration increases high-yield organ donation per donor in BPODs in the trauma patient *** to this study include

关键词： Organ donation Trauma Brain death Levothyroxine Hormone replacement therapy Steroids Organ donor Retrospective

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协作机器人码垛应用教程

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现代制造 2024年第6期 28-30页

作者： andreas Schunkert 不详

利用协作机器人码垛时有哪些注意事项?本文“协作机器人应用教程”的摘录会告诉您一切。托盘码垛机是当今物流领域非常重要且不可替代的重要机械设备。多年来,工业机器人就一直被用于集装箱和周转箱的运输。传统的机器人工作单元能够在... 详细信息

利用协作机器人码垛时有哪些注意事项?本文“协作机器人应用教程”的摘录会告诉您一切。托盘码垛机是当今物流领域非常重要且不可替代的重要机械设备。多年来,工业机器人就一直被用于集装箱和周转箱的运输。传统的机器人工作单元能够在围栏内高效的工作,而它们的围栏也是完成托盘运输唯一的“人机接口”。近几年来,托盘码垛堆放技术有了很大进步,越来越多地出现了协作机器人码垛的解决方案。这些执行托盘码垛任务的协作机器人都高高地站在一个凸出地面的底座上。它也可以安装在其他码垛设备的悬伸轴上,完成最大工作范围2 m的高负载搬运。

关键词：工业机器人协作机器人人机接口工作单元托盘运输码垛机高负载周转箱

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Adaptive strategies of high and low nucleic acid prokaryotes in response to declining resource availability and selective grazing by protozoa

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Science China Earth Sciences 2024年第6期67卷 1872-1884页

作者： Chen HU Liuqian YU Xiaowei CHEN Jihua LIU Yao ZHANG john BATT Xilin XIAO Qiang SHI Rui ZHANG Tingwei LUO Nianzhi JIAO Dapeng XU College of the Environment and Ecology Xiamen UniversityXiamen 361102China State Key Laboratory of marine Environmental Science College of Ocean and Earth SciencesFujian Key Laboratory of Marine Carbon SequestrationXiamen UniversityXiamen 361102China Joint Lab for Ocean Research and Education(LORE)of Dalhousie University Canadaand Shandong University and Xiamen UniversityXiamen 361102China Earth Ocean and Atmospheric Sciences ThrustThe Hong Kong University of Science and Technology(Guangzhou)Guangzhou 510000China Institute of marine Science and Technology Shandong UniversityQingdao 266237China Department of Oceanography Dalhousie UniversityHalifaxNova Scotia B3H 4R2Canada Institute for Advanced Study Shenzhen UniversityShenzhen 518060China Carbon Neutral Innovation Research Center Xiamen UniversityXiamen 361102China

Prokaryotes play a fundamental role in global ocean biogeochemical ***,how the abundance and metabolic activity of ecologically distinct subgroups(i.e.,high nucleic acid(HNA)and low nucleic acid(LNA)cells),and their regulating factors,change in response to changing marine environmental conditions remains poorly ***,we delved into the time-evolving dynamic responses of the HNA and LNA prokaryotic subgroups to declining resource availability and selective grazing by protozoa by conducting a 73-day incubation experiment in a large-volume(117,000 L)macrocosm that facilitates community-level *** found that the metabolic activity of the HNA subgroup was higher than that of the LNA subgroup when the macrocosm was resource replete but that the HNA subgroup declined more rapidly than the LNA subgroup as the resources became increasingly scarce,leading to a steadily increasing contribution of LNA cells to prokaryotic ***,as resources in the macrocosm became limited,protozoan grazing preference shifted from the HNA to the LNA subgroup and the contributions of the LNA subgroup to the carbon flow within the macrocosm *** findings highlight the resilience of LNA cells in resource-limited environments,illuminate the critical role of selective grazing by protozoa in balancing distinct prokaryotic subgroups under changing resource conditions,and demonstrate the complex and adaptive interactions between protozoa and prokaryotes across diverse environmental contexts.

关键词： microbial loop macrocosm experiment Prokaryote Top-down and bottom-up controls Carbon flow

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metal-metal bonds in Zintl clusters:Synthesis,structure and bonding in[Fe_(2)Sn_(4)Bi_(8)]^(3-)and[Cr_(2)Sb_(12)]^(3-)

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Chinese Chemical Letters 2024年第8期35卷 558-566页

作者： Ya-Nan Yang Zi-Sheng Li Sourav mondal Lei Qiao Cui-Cui Wang Wen-Juan Tian Zhong-ming Sun john E.mcGrady State Key Laboratory of Element-Organic Chemistry Tianjin Key Lab for Rare Earth Materials and ApplicationsSchool of Materials Science and EngineeringNankai UniversityTianjin 300350China Department of Chemistry University of OxfordInorganic Chemistry LaboratoryOxfordOX13QRUnited Kingdom

We report here the synthesis and characterization of two new members of the m2 E 12 family of endohe-dral Zintl clusters,[Fe_(2)Sn_(4)Bi_(8)]^(3-)and[Cr_(2)Sb_(12)]^(3-),both of which contain open-shell metal dimers encap-sulated inside a triple-decker cluster of main-group *** 75-electron[Fe_(2)Sn_(4)Bi_(8)]^(3-)cluster has a D4h-symmetric structure,while[Cr_(2)Sb_(12)]^(3-),despite having the same 75-electron count,is strongly dis-torted to a geometry that resembles a CrSb_(8)crown capped by a CrSb_(4)*** structural differences between the two are driven by the increasing availability of 3d electron density in the earlier transi-tion metal,which leads,ultimately,to different electronic configurations in the two *** trends precisely mirror those observed in the mE_(10)and mE_(12)families containing a single transition metal ion.

关键词： Zintl anions Endohedral clusters metal-metal bond Second-order Jahn-Teller effect DFT calculation

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Eye on the Sky: A UAP Research and Field Study off New York’s Long Island Coast

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Open Journal of Applied Sciences 2024年第8期14卷 2267-2295页

作者： john Joseph Tedesco Gerald Thomas Tedesco Harvard Universitys Galileo Project Independent Research Affiliate Cambridge USA Consortium for The Scientific Understanding of Natures mysteries Holbrook USA Institute of Electrical and Electronic Engineers Washington USA American Academy of Environmental Engineers and Scientist Annapolis USA Independent Researcher Holbrook USA

A ten-month field research study was meticulously conducted at Robert moses State Park (RmSP) on the south shore of Long Island, NY. The objective was to determine if aerial phenomena of an unknown nature exist over a coastal location and to characterize their properties and behaviors. Primary and secondary field observation methods were utilized in this data-centric study. Forensic engineering principles and methodologies guided the study. The challenges set forward were object detection, observation, and characterization, where multispectral electro-optical devices and radar were employed due to limited visual acuity and intermittent presentation of the phenomena. The primary means of detection utilized a 3 cm X-band radar operating in two scan geometries, the X- and Y-axis. multispectral electro-optical devices were utilized as a secondary means of detection and identification. Data was emphasized using HF and LF detectors and spectrum analyzers incorporating Em, ultrasonic, magnetic, and RF field transducers to record spectral data in these domains. Data collection concentrated on characterizing VIS, NIR, SWIR, LWIR, UVA, UVB, UVC, and the higher energy spectral range of ionizing radiation (alpha, beta, gamma, and X-ray) recorded by Geiger-müller counters as well as special purpose semiconductor diode sensors.

关键词： Unidentified Anomalous Phenomenon (UAP) Forensic Techno-Signatures Office of the Director of National Intelligence (ODNI) multispectral Electro-Optical (mEO) Ultraviolet A Radiation (UVA) Ultraviolet B Radiation (UVB) Ultraviolet C Radiation (UVC) Visible (VIS) Near-Infrared (NIR) Short-Wave Infrared (SWIR) Long-Wave Infrared (LWIR) Low-Frequency (LF) High-Frequency (HF) Radio-Frequency (RF) Alpha Beta Gamma Ultrasonic X-Band Active Radar Kinematics Aerodynamics Luminous Spheroids Robert moses State Park (RmSP)

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