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The electroweak monopole–antimonopole pair in the standard model

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Communications in Theoretical Physics 2024年第3期76卷 113-119页

作者： Dan Zhu Khai-Ming wong Guo-Quan wong School of Physics Universiti Sains Malaysia11800 USMPenangMalaysia

we present the first numerical solution that corresponds to a pair of Cho–Maison monopoles and antimonopoles(MAPs) in the SU(2) × U(1) weinberg–Salam(wS) *** monopoles are finitely separated,while each pole carries a magnetic charge ±4π/*** positive pole is situated in the upper hemisphere,whereas the negative pole is in the lower *** Cho–Maison MAP is investigated for a range of weinberg angles,0.4675≤ tan θ_(w)≤10,and Higgs self-coupling,0 ≤ β ≤ *** magnetic dipole moment(μm) and pole separation(d_(z)) of the numerical solutions are calculated and *** total energy of the system,however,is infinite due to point singularities at the locations of monopoles.

关键词： magnetic monopole Cho-Maison monopole weinberg-Salam model

Synthetic brochosomes:Design,synthesis,and applications

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Nano Research 2024年第2期17卷 734-742页

作者： Lin wang Jinsol Choi Tak-Sing wong Department of Mechanical Engineering The Pennsylvania State UniversityUniversity ParkPA 16802USA Materials Research Institute The Pennsylvania State UniversityUniversity ParkPA 16802USA Department of Biomedical Engineering The Pennsylvania State UniversityUniversity ParkPA 16802USA

Brochosomes,which are nanoscopic buckyball-shaped granules produced by leafhoppers,are one of the most intricate structures discovered in *** functions of brochosomes have been proposed but only a few have been experimentally validated due to the challenge of fabricating their synthetic *** in micro-and nanofabrication have recently led to the emergence of synthetic brochosomes,opening up new possibilities for innovative *** review explores the early discovery of natural brochosomes and their geometrical features,followed by the recent progress in fabricating synthetic brochosomes and their *** on future applications and challenges in the scalable manufacturing of synthetic brochosomes are discussed.

关键词： synthetic brochosomes leafhopper antireflection superhydrophobicity surface-enhanced Raman scattering photocatalyst energy harvesting

Artificial intelligence analysis of videos to augment clinical assessment:an overview

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Neural Regeneration Research 2024年第4期19卷 717-718页

作者： David C.wong Stefan williams University of Leeds Leeds Teaching Hospitals Trust LeedsUK

Observation is a fundamental part of the practice of clinical *** of movement is particularly important for the *** such as Parkinson’s disease,multiple sclerosis,stroke,epilepsy,and many others affect a person’s movement in characteristic *** some conditions,changes in the patient’s voice can be included in this-changes in sound caused by changes in the movements of *** clinician’s detection of a characteristic abnormality,and their judgment of its severity,plays a central role in both diagnosis and the assessment of prognosis or response to ***,that practice depends upon a limited resource of experienced *** addition,these experts are limited by human visual judgment,which cannot reliably or precisely detect and measure small or subtle changes in movement(williams et al.,2023).

关键词： clinical epilepsy diagnosis

Free-electron crystals for enhanced X-ray radiation

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Light(Science & Applications) 2024年第7期13卷 1299-1309页

作者： Lee wei wesley wong Xihang Shi Aviv Karnieli Jeremy Lim Suraj Kumar Sergio Carbajo Ido Kaminer Liang Jie wong School of Electrical and Electronic Engineering Nanyang Technological University50 Nanyang AvenueSingapore 639798Singapore. Solid State Institute and Faculty of Electrical and Computer Engineering Technion–Israel Institute of TechnologyHaifa 3200003Israel. School of Electrical Engineering Fleischman Faculty of EngineeringTel Aviv UniversityTel Aviv 69978Israel Department of Applied Physics Stanford UniversityStanfordCA 94305USA. Science Mathematics and TechnologySingapore University of Technology and Design8 Somapah RoadSingapore 487372Singapore. Electrical and Computer Engineering Department UCLA420 WestwoodLos AngelesCA 90095USA. Physics and Astronomy Department UCLA475 Portola PlazaLos AngelesCA 90095USA. SLAC National Accelerator Laboratory Stanford University2575 Sand Hill RoadMenlo ParkCA 94025USA

Bremsstrahlung—the spontaneous emission of broadband radiation from free electrons that are deflected by atomic nuclei—contributes to the majority of X-rays emitted from X-ray tubes and used in applications ranging from medical imaging to semiconductor chip ***,we show that the bremsstrahlung intensity can be enhanced significantly—by more than three orders of magnitude—through shaping the electron wavefunction to periodically overlap with atoms in crystalline ***,we show how to shape the bremsstrahlung X-ray emission pattern into arbitrary angular emission profiles for purposes such as unidirectionality and ***,we find that these enhancements and shaped emission profiles cannot be attributed solely to the spatial overlap between the electron probability distribution and the atomic centers,as predicted by the paraxial and nonrecoil theory for free electron light *** work highlights an unprecedented regime of free electron light emission where electron waveshaping provides multi-dimensional control over practical radiation processes like *** results pave the way towards greater versatility in table-top X-ray sources and improved fundamental understanding of quantum electron-light interactions.

关键词： overlap attributed arbitrary

Tribological behavior of lubricant-impregnated porous polyimide

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Friction 2024年第4期12卷 711-725页

作者： Jinbang LI Ningning ZHOU Janet S.S.wong School of Mechanical Engineering and Mechanics Ningbo UniversityNingbo 315211China Beijing Key Laboratory of Long-life Technology of Precise Rotation and Transmission Mechanisms Beijing Institute of Control EngineeringBeijing 100029China Department of Mechanical Engineering Imperial College LondonLondon SW72AZUK

Porous materials impregnated with lubricants can be used in conditions where limited lubricant is *** this work,three porous polyimides(PPI)with different densities were ***(PAO)impregnated PPI(iPPI)discs were rubbed against steel and sapphire *** operando observations of the iPPI-sapphire contacts show that oil is released under an applied load,forming a meniscus around *** at the outlet is created at high sliding *** amount of released oil increases with increasing PPI *** moduli,E*,estimated based on the actual contact size show that trapped oil in iPPIs contributes to load *** higher speeds,tribological rehydration of the contact occurs in low density iPPI,with that E*rises with *** high density PPIs,high speeds give a constantly high E*which is limited by the viscoelastic properties of the PPI network and possibly the rate of oil *** of iPPI-steel contacts is governed by the mechanical properties of the PPI,the flow of the lubricant,and the roughness of the PPI *** low-and medium-density(highly porous,high roughness)PPIs,large amount of oil is released,and lubrication is mainly via lubricant restricted in the contact in the pores and possibly tribological *** high density(low porosity)PPI,with lower roughness,hydrodynamic lubrication is achieved which gives the lowest *** results show that polymeric porous materials for effective lubrication require the optimization of its surface roughness,stiffness,oil flow,and oil retentions.

关键词： polyimide porous material friction mechanism polymer limited lubrication

Navigating reflux disease after achalasia treatments:Balancing risks and benefits

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world Journal of Gastroenterology 2024年第21期30卷 2740-2743页

作者： Ewen A Griffiths Enoch wong Department of Upper Gastrointestinal Surgery University Hospitals Birmingham NHS Foundation TrustBirmingham B152GWWest MidlandsUnited Kingdom Department of Immunology and Immunotherapy University of BirminghamBirmingham B152TTWest MidlandsUnited Kingdom

The peroral endoscopic myotomy(POEM)procedure has revolutionized the management of achalasia in many centres around the world as it offers patients a minimally invasive endoscopic solution to their dysphagia caused by *** its success in alleviating dysphagia,concerns regarding postoperative gastroesophageal reflux disease have emerged as a pertinent issue which are not fully *** this study,Nabi et al have comprehensively reviewed the topic of the prediction,prevention and management of gastroesophageal reflux after *** is a purely endoscopic procedure which is usually performed without any anti-reflux *** patients may be better served by a laparoscopic Heller’s myotomy and fundoplication and it is important that gastroenterologists and surgeons provide comprehensive risks and benefits of each achalasia treatment option so that patients can decide what treatment is best for *** article by Nabi et al provides a comprehensive review of the current status of this issue to allow these discussions to occur.

关键词： Achalasia Gastro-esophageal reflux disease Laparoscopic heller’s myotomy Peroral endoscopic myotomy Fundoplication

Transfer of Highest weight Modules and Small Unipotent Representations

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Acta Mathematica Sinica,English Series 2024年第3期40卷 772-791页

作者： Hai An HE Jing Song HUANG Kayue Daniel wong Department of Mathematics College of SciencesShanghai UniversityShanghai 200444P.R.China Newtouch Center for Mathematics of Shanghai University Shanghai 200444P.R.China Mathematics Research Center School of Science and EngineeringThe Chinese University of Hong KongShenzhen 518172P.R.China

we study the transfer between small special unipotent representations for all equal rank real forms of type E_(6) and E_(7). As a consequence, one can verify these modules are unitarity using the results of wallach an... 详细信息

关键词： Unipotent representations wallach representations Transfer of unitary modules

Comparison of QT Correction Methods in the Pediatric Population of a Community Hospital: A Retrospective Study

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Congenital Heart Disease 2024年第1期19卷 107-121页

作者： koren Hyogene Kwag Ibrahim Kak Ying Li walid Khass Alec McKechnie Oksana Nulman Brande Brown Manoj Chhabra Department of Pediatrics New York Presbyterian Brooklyn Methodist HospitalBrooklyn11215USA Department of Population Health Sciences Division of BiostatisticsWeill Cornell MedicineNew York10065USA

Objective:Accurate measurement of QT interval,the ventricular action potential from depolarization to repolarization,is important for the early detection of Long QT *** most effective QT correction(QTc)formula has yet to be determined in the pediatric population,although it has intrinsically greater extremes in heart rate(HR)and is more susceptible to errors in *** authors of this study compare six dif-ferent QTc methods(Bazett,Fridericia,Framingham,Hodges,Rautaharju,and a computer algorithm utilizing the Bazett formula)for consistency against variations in HR and RR ***:Descriptive Retrospective *** included participants from a pediatric cardiology practice of a community hospital who had an ECG performed in *** participants were healthy patients with no past medical history and no regular ***:ECGs from 95 participants from one month to 21 years of age(mean 9.7 years)were included with a mean HR of 91 beats per minute(bpm).The two-sample paired t-test or wilcoxon signed-rank test assessed for any difference between QTc methods.A statistically signiﬁcant difference was observed between every combination of two QTc *** Spearman’s rank correlation analysis explored the QTc/HR and QTc/RR relationships for each *** method was most independent of HR and RR with the lowest absolute value of correlation coefﬁ*** and Computer had moderate correlations,while Framingham and Rautaharju exhibited strong *** were positive for Bazett and Computer,reﬂecting results from prior studies demonstrating an over-correction of Bazett at higher *** the linear QTc/HR regression analysis,Bazett had the slope closest to zero,although Computer,Hodges,and Fridericia had comparable ***,Fridericia had the linear QTc/RR regression coefﬁcient closest to *** Bland-Altman method assessed for bias and the limits of agreement between correction *** an

关键词： Corrected QT interval QT prolongation long QT syndrome electrocardiogram retrospective study bazett fridericia framingham hodges rautaharju computer algorithm

Options and survival benefits of conversion therapy for unresectable hepatocellular carcinoma

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world Journal of Gastroenterology 2024年第18期30卷 2479-2481页

作者： wong Hoi She Tan To Cheung Department of Surgery The University of Hong KongHong Kong 999077China

In the study by wu et al,patients with unresectable hepatocellular carcinoma were subjected to transarterial chemoembolization(TACE)as a conversion therapy in order to render their tumors suitable for resection.A nomogram was devised and shown to be effective in predicting the survival of these *** of the results,however,is questionable since the study subjects consisted of patients who had resection after TACE while excluding patients with the same disease but not suitable for *** can be considered to be an option for conversion ***,markers for determining responses to a conversion therapy and for guiding the decision between TACE and sequential immunotherapy have been *** question of whether effective conversion therapy can truly enhance overall survival remains unanswered.

关键词： Conversion therapy Immunotherapy Liver resection Survival Transarterial chemoembolization Unresectable hepatocellular carcinoma