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International Journal of Disaster Risk Science 2021年第2期12卷 267-280页

作者： Tin Myo Aung Seunghoo lim Defence Services Academy Pyin Oo Lwin05081Myanmar Public Management and Policy Analysis Program Graduate School of International RelationsInternational University of JapanMinami Uonuma-shiNiigata949-7277Japan

In disaster response,collaboration facilitates interactions among actors,such as the government,the military,nongovernmental organizations,and civil society *** study examined the longitudinal changes in collaborative governance in Myanmar’s disaster responses based on cases of flooding in 2015,2016,and *** examine the mechanisms underlying this dynamic network formation,the collaborative ties of the actors involved in search and rescue activities were converted into longitudinal relational data sets,and the evolution of collaborative governance was analyzed by relying on the assumptions of social capital,transaction cost,homophily,and resource dependency theories and using a longitudinal social network analysis *** findings show that the collaborative networks of search and rescue processes in disaster response evolved and changed over time according to the hypothesized patterns of strong,weak,and preferential tie *** study also revealed that the collaborative governance system assumes the form of a hierarchy rather than a generalized exchange,and the actors’reliance on military organizations is not obvious due to the emerging alternative non-military actors and diverse local actors observed in the cases.

关键词： Collaborative governance Longitudinal social network analysis Myanmar flood disasters Network sustainability

On the Algebraic Functional Equation of the Eigenspaces of Mixed Signed Selmer Groups of Elliptic Curves with Good Reduction at Primes above p

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Acta Mathematica Sinica,English Series 2021年第2期37卷 289-305页

作者： Suman AHMED Meng Fai lim School of Mathematics and Statistics Central China Normal UniversityWuhan 430079P.R.China School of Mathematics and Statistics&Hubei Key Laboratory of Mathematical Sciences Central China Normal UniversityWuhan 430079P.R.China

Let p be an odd prime number,and let E be an elliptic curve defined over a number field which has good reduction at every prime above *** suitable assumptions,we prove that the η-eigenspace and the ■-eigenspace of mixed signed Selmer group of the elliptic curve are *** a corollary,we show that the η-eigenspace is trivial if and only if the ■-eigenspace is *** results can be thought as a reflection principle which relates an Iwasawa module in a given eigenspace with another Iwasawa module in a "reflected" eigenspace.

关键词： Algebraic functional equation mixed signed Selmer groups

A Note on the Signature Representations of the Symmetric Groups

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Algebra Colloquium 2021年第3期28卷 469-478页

作者： Kay Jin lim Jialin Wang Division of Mathematical Sciences Nanyang Technological University SPMS-04-0121 Nanyang LinkSingapore 637371Singapore

For a partition λ and a prime p,we prove a necessary and sufficient condition for there to exist a composition δ such that δ can be obtained from λ after rearrangement and no partial sums of δ are divisible by **... 详细信息

关键词： symmetric group Schur algebra modular Kostka number

Beyond just a tight fortress:contribution of stroma to epithelial-mesenchymal transition in pancreatic cancer

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Signal Transduction and Targeted Therapy 2020年第1期5卷 328-339页

作者： Ashenafi Bulle Kian-Huat lim Division of Oncology Department of Internal MedicineBarnes-Jewish Hospital and The Alvin J.Siteman Comprehensive Cancer CenterWashington University School of MedicineSt.LouisMO 63110USA

Novel effective treatment is direly needed for patients with pancreatic ductal adenocarcinoma(PDAC).Therapeutics that target the driver mutations,especially the KRAS oncoprotein and its effector cascades,have been *** is increasing clear that the extensive fibro-inflammatory stroma(or desmoplasia)of PDAC plays an active role in the progression and therapeutic resistance of *** desmoplastic stroma is composed of dense extracellular matrix(ECM)deposited mainly by the cancer-associatedfibroblasts(CAFs)and infiltrated with various types of immune *** dense ECM functions as a physical barrier that limits tumor vasculatures and distribution of therapeutics to PDAC *** addition,mounting evidence have demonstrated that both CAFs and ECM promote PDAC cells aggressiveness through multiple mechanisms,particularly engagement of the epithelial-mesenchymal transition(EMT)*** of a mesenchymal-like phenotype renders PDAC cells more invasive and resistant to therapyinduced ***,we critically review seminal and recent articles on the signaling mechanisms by which each stromal element promotes EMT in *** discussed the experimental models that are currently employed and best suited to study EMT in PDAC,which are instrumental in increasing the chance of successful clinical translation.

关键词： stroma transition render

A short overview of the lead iodide residue impact and regulation strategies in perovskite solar cells

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Journal of Energy Chemistry 2024年第3期90卷 504-510,I0012页

作者： Eng Liang lim Zhanhua Wei Xiamen Key Laboratory of Optoelectronic Materials and Advanced Manufacturing Institute of Luminescent Materials and Information DisplaysCollege of Materials Science and EngineeringHuaqiao UniversityXiamen 361021FujianChina

Lead iodide(PbI2) is a vital raw material for preparing perovskite solar cells(PSCs),and it not only takes part in forming the light absorption layer but also remains in the grain boundary as a *** other words,the PbI2 content in the precursor and as formed film will affect the efficiency and stability of the *** moderate residual PbI2,it passivates the bulk/surface defects of perovskite,reduces the interfacial recombination,promotes the perovskite stability,minimizes the device hysteresis,and so *** PbI2 residue will reduce the interfacial passivation effect and device *** addition to facilitating the non-radiative recombination,over PbI2 residue can also lead to electronic insulation in the grain boundary and deteriorate the device ***,the impact and regulation of PbI2 residue on the device performance and stability is still not fully ***,a comprehensive and detailed review is presented by discussing the PbI2 residue impact and its regulation strategies(i.e., elimination,facilitation and conversion of the residue PbI2) to manipulate the PbI2 content,distribution and ***,we also show future outlooks in this field,with an aim to help further the progression of high-efficiency and stable PSCs.

关键词： Lead iodide Residue Regulation Perovskite solar cells Efficiency Stability

Zone 3 Relay Blocking Scheme to Prevent Cascaded Events

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Transactions of Tianjin University 2008年第2期14卷 97-105页

作者： lim Seong-Il Department of Electrical Engineering Kyungnam UniversityMasanKorea

Defense systems are needed to prevent catastrophic failures of a power grid due to cascaded events. Cascaded events can be attributed to improper operations of protective relays. The most challenging problem for the design and implementation of a defense system is the performance in accuracy and speed in a real time environment. Protective devices are normally designed to operate fast in order to isolate the fault（s）. This paper proposes a new methodology to distinguish line overloads from actual faults for distance relays. In order to distinguish between line flow transfers from a line outage and an actual fault, the line outage distribution factor （LQDF） and generation shift factor （GSF） based power flow estimation method, and a secure peer to peer （P2P） communication structure are adopted. Computer simulations of cascaded events for a 6-bus system and the Korean power grid have been performed to establish the feasibility of the proposed scheme.

关键词： blackouts cascaded events defense system distance relay Zone 3 relay

Reconfigurable transmissive metasurface with a combination of scissor and rotation actuators for independently controlling beam scanning and polarization conversion

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Microsystems & Nanoengineering 2024年第2期10卷 173-180页

作者： Chhunheng Lor Ratanak Phon Sungjoon lim Intelligent Semiconductor Engineering Chung-Ang UniversityHeukseok-DongDongjak-GuSeoul06974Republic of Korea School of Electrical and Electronic Engineering Chung-Ang UniversityHeukseok-DongDongjak-GuSeoul06974Republic of Korea

Polarization conversion and beam scanning metasurfaces are commonly used to reduce polarization mismatch and direct electromagnetic waves in a specific direction to improve the strength of a wireless ***,identifying suitable active and mechanically reconfigurable metasurfaces for polarization conversion and beam scanning is a considerable challenge,and the reported metasurfaces have narrow scanning ranges,are expensive,and cannot be independently *** this paper,we propose a reconfigurable transmissive metasurface combined with a scissor and rotation actuator for independently controlling beam scanning and polarization conversion *** metasurface is constructed with rotatable unit cells(UCs)that can switch the polarization state between right-handed(RHCP)and left-handed circular polarization(LHCP)by flipping the UCs to reverse their phase ***,independent beam scanning is achieved using the scissor actuator to linearly change the distance between the *** and experimental results confirm that the proposed metasurface can perform beam scanning in the range of 28°for both the positive and negative regions of a radiation pattern(RHCP and LHCP beams)at an operational frequency of 10.5 GHz.

关键词： beam rotation controlling

Understanding Risk Governance:Introducing Sociological Neoinstitutionalism and Foucauldian Governmentality for Further Theorizing

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International Journal of Disaster Risk Science 2011年第3期2卷 11-20页

作者： Wee-Kiat lim Department of Sociology University of Colorado Boulder Colorado 80309 USA Natural Hazards Center Institute of Behavioral Science Boulder Colorado 80309 USA

This article traces the career of risk across prominent theoretical approaches by highlighting their key assumptions and premises,specifically the technical approach found in the physical sciences,and economics,psychology,and sociology in the social *** each discipline,the strengths and limitations of each theoretical approach are pointed *** discussion focuses on sociology in particular because other approaches—in treating risks as dominantly technical,psychological,or economic phenomena—tend to downplay the broader historical and socio-political context that impinges on risk construction and production,and its differential impact across *** exploration points out that institutions play an important role in creating,managing,and distributing risks in *** highlighting the integrated risk governance framework as a nascent practice-oriented framework,the framework is examined theoretically using sociological neoinstitutionalism and Foucault’s concept of *** conclusion elaborates the challenges of using these two bodies of knowledge to study risk governance of extreme *** Foucault’s concept of governmentality corrects neoinstitutional theory’s ambivalence toward power,more work needs to be done in order to reconcile their divergent intellectual commitments.

关键词： extreme sociology governmental

Chronic hepatitis C genotype 1 treatment roadmap for resource constrained settings

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World Journal of Gastroenterology 2015年第6期21卷 1972-1981页

作者： Seng Gee lim Department of Gastroenterology and Hepa-tology Department of Medicine National University Health System Yong Loo Lin School of Medicine National University of Singapore

AIM:To use existing hepatitis C virus(HCV)antiviral therapies as access to new treatments is ***:A Pub Med search for randomised control trials or meta-analysis related to response-guided therapy of HCV genotype 1 patients was undertaken using pegylated interferon and ribavirin(PR),boceprevir(B)and telaprevir(T)and lead-in where responseguided therapy at TW4(TW4),8(TW8),10(TW10),or12(TW12)based on HCVRNA(+)or HCVRNA(-).Studies presented at major conferences were also *** necessary,a post-hoc analysis was performed.A response-guided management roadmap was created based on sustained virological response(SVR).RESULTS:Starting with PR,those with HCVRNA(-)at TW4 have>86%SVR,while those are HCVRNA(+)have 34%-41.7%***(-)TW4 patients can have 24 wk PR if HCVRNA80%SVR,leading to the"80-80"***:Using a roadmap based on HCVRNA(-)at TW4 or TW8(the"80-80"rule),high SVR can be achieved,and guide the best choices for treatment,and also reduces drug exposure in poor responders.

关键词： Chronic hepatitis C hepatitis C virus RNA Sustaine

Abnormal liver function tests associated with severe rhabdomyolysis

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World Journal of Gastroenterology 2020年第10期26卷 1020-1028页

作者： Andy KH lim Department of General Medicine Monash Health Department of Medicine School of Clinical Sciences Monash University

Rhabdomyolysis is a syndrome of skeletal muscle injury with release of cellular constituents such as potassium,phosphate,urate and intracellular proteins such as myoglobin into the circulation,which may cause complications including acute kidney injury,electrolyte disturbance and cardiac *** liver function tests are frequently observed in cases of severe ***,there is an increase in serum aminotransferases,namely aspartate aminotransferase and alanine *** raises the question of liver injury and often triggers a pathway of investigation which may lead to a liver ***,muscle can also be a source of the increased aminotransferase *** review discusses the dilemma of finding abnormal liver function tests in the setting of muscle injury and the potential implications of such an *** delves into some of the clinical and experimental evidence for correlating muscle injury to raised aminotransferases,and discusses pathophysiological mechanisms such as oxidative stress which may cause actual liver *** aminotransferases lack tissue specificity to allow clinicians to distinguish primary liver injury from muscle *** review also explores potential approaches to improve the accuracy of our diagnostic tools,so that excessive or unnecessary liver investigations can be avoided.

关键词： Rhabdomyolysis Muscle Creatine kinase Liver function tests Alanine aminotransferase Aspartate aminotransferase Aminotransferases