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无危险因素时正常收缩压水平与心血管病的关系

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中华高血压杂志 2020年第7期28卷 620-620页

作者：刘青(译) 刘莉(摘/审校) Whelton SP McEvoy JW Shaw L Psaty BM Lima JAC Budoff M nasir k Szklo M Blumenthal RS Blaha MJ 不详

在没有动脉粥样硬化性心血管病(atherosclerotic cardiovascular disease,ASCVD)危险因素的人群中,当前定义的正常收缩压水平人群的ASCVD风险尚不明确。该研究旨在评估目前定义下,没有高血压或其他传统ASCVD危险因素的人群中,收缩压水... 详细信息

在没有动脉粥样硬化性心血管病(atherosclerotic cardiovascular disease,ASCVD)危险因素的人群中,当前定义的正常收缩压水平人群的ASCVD风险尚不明确。该研究旨在评估目前定义下,没有高血压或其他传统ASCVD危险因素的人群中,收缩压水平与冠状动脉钙化和ASCVD的相关性。

关键词：收缩压水平冠状动脉钙化心血管病危险因素高血压人群

Novel applications of bipolar single-valued neutrosophic competition graphs

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Applied Mathematics(A Journal of Chinese Universities) 2018年第4期33卷 436-467页

作者： Muhammad Akram Maryam nasir k.P.Shum Department of Mathematics University of the PunjabNew Campus Institute of Mathematics Yunnan University

Bipolar single-valued neutrosophic models are the generalization of bipolar fuzzy models. We first introduce the concept of bipolar single-valued neutrosophic competition graphs. We then, discuss some important propositions related to bipolar single-valued neutrosophic competition graphs. We define bipolar single-valued neutrosophic economic competition graphs and m-step bipolar single-valued neutrosophic economic competition graphs. Further, we describe applications of bipolar single-valued neutrosophic competition graphs in organizational designations and brands competition. Finally, we present our improved methods by algorithms.

关键词： bipolar single-valued neutrosophic digraphs m-step bipolar single-valued neutrosophic economic competition graphs algorithm

运动压力测试心率恢复延迟和正常高值血压显著相关

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中华高血压杂志 2014年第7期22卷 698-698页

作者： Aneni E Roberson LL Shaharyar S Blaha MJ Agatston AA Blumenthal RS Meneghelo RS Concei ao RD nasir k Santos RD 罗冬梅叶鹏

已证明心率恢复可预测心血管疾病的死亡率。心率恢复延迟在高血压患者中存在。心率恢复延迟与正常高值血压（prehypertension，PHT）者的相关性尚无报道。方法：选取无症状人群683名[男性占90％，年龄（47．0±7．9）岁]。心率恢复定义... 详细信息

已证明心率恢复可预测心血管疾病的死亡率。心率恢复延迟在高血压患者中存在。心率恢复延迟与正常高值血压（prehypertension，PHT）者的相关性尚无报道。方法：选取无症状人群683名[男性占90％，年龄（47．0±7．9）岁]。心率恢复定义为测试时峰值心率减去休息2min后的心率。

关键词：正常高值血压心率恢复恢复延迟压力测试运动心血管疾病高血压患者无症状人群

Mathematical modeling and optimal intervention of COVID-19 outbreak

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Quantitative Biology 2021年第1期9卷 84-92页

作者： Saroj k Biswas nasir U Ahmed Department of Electrical and Computer Engineering Temple UniversityPhiladelphiaPA19122USA School of Electrical Engineering and Computer Science University of OttawaOttawaK1N 6N5Canada

Background:The COVID-19 pandemic has become a formidable threat to global health and *** coronavirus SARS-CoV-2 that causes COVID-19 is known to spread by human-to-human transmission,and in about 40%cases,the exposed individuals are asymptomatic which makes it difficult to contain the ***:This paper presents a modified SEIR epidemiological model and uses concepts of optimal control theory for analysis of the effects of intervention methods of the *** the pandemic intervention problem can be viewed as a mathematical optimization problem as there are contradictory outcomes in terms of reduced infection and fatalities but with serious economic ***:Concepts of optimal control theory have been used to determine the optimal control(intervention)levels of i)social contact mitigation and suppression,and ii)pharmaceutical intervention modalities,with minimum impacts on the *** results show that with optimal intervention policies,there is a significant reduction in the number of infections and *** computed optimum intervention policy also provides a timeline of systematic enforcement and relaxation of stay-at-home regulations,and an estimate of the peak time and number of hospitalized critical care ***:The proposed method could be used by local and state governments in planning effective strategies in combating the *** optimum intervention policy provides the necessary lead time to establish necessary field hospitals before getting overwhelmed by new patient *** results also allow the local and state governments to relax social contact suppression guidelines in an orderly manner without triggering a second wave.

关键词： coronavirus COVID-19 SEIR model epidemic model optimization

有与无代谢综合征的无心肌缺血症状男性中尿酸水平与电子束断层扫描检出冠状动脉钙化的关系

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世界核心医学期刊文摘(心脏病学分册) 2007年第6期 12-12页

作者： Santos R.D nasir k Orakzai R 郭俊 Lipid Clinic The Heart Institute(InCor)University Sao Paulo Medical School Hospital Sao Paulo Brazil

本研究旨在评价尿酸(UA)水平是否与无冠状动脉疾病症状的白人男性的冠状动脉钙化(CAC)相关,同时评价该相关性是否依赖于代谢综合征(MS)的存在。研

关键词：冠状动脉代谢综合征男性

冠状动脉钙化在高血压患者心血管病风险分层中的作用

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中华高血压杂志 2019年第5期27卷 436-436页

作者：刘青(译) 叶鹏(摘、审校) Uddin SMI Mirbolouk M kianoush S Orimoloye OA Dardari Z Whelton SP Miedema MD nasir k Rumberger JA Shaw LJ Berman DS Budoff MJ McEvoy JW Matsushita k Blaha MJ Graham G 不详

研究者研究了冠状动脉钙化(coronary artery calcium,CAC)在成人高血压心血管病风险分层中的作用,包括符合收缩压干预试验(systolic blood pressure intervention trial,SPRINT)标准的患者。此外,研究者使用CAC来确定心血管病死亡率与SP... 详细信息

研究者研究了冠状动脉钙化(coronary artery calcium,CAC)在成人高血压心血管病风险分层中的作用,包括符合收缩压干预试验(systolic blood pressure intervention trial,SPRINT)标准的患者。此外,研究者使用CAC来确定心血管病死亡率与SPRINT中标准降压组心血管病死亡率("SPRINT水平")相当的高血压成年患者,其可能受益于强化降压治疗。研究人群包括来自CAC研究联盟的高血压患者16 167例,其中6375例患者构成"SPRINT类似人群"。研究者按CAC分类(0,1~99,100~399,≥400)比较了多因素校正后的冠状动脉粥样硬化性心脏病(冠心病)和心血管病死亡风险比。

关键词：高血压患者冠状动脉钙化心血管病风险比冠状动脉粥样硬化性心脏病强化降压治疗 artery 研究人群

Federated Learning Security and Privacy-Preserving Algorithm and Experiments Research Under Internet of Things Critical Infrastructure

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Tsinghua Science and Technology 2024年第2期29卷 400-414页

作者： nasir Ahmad Jalali Hongsong Chen Department of Computer Science University of Science and Technology Beijing(USTB)Beijing 100083China

The widespread use of the Internet of Things(IoTs)and the rapid development of artificial intelligence technologies have enabled applications to cross commercial and industrial band *** such systems,all participants related to commercial and industrial systems must communicate and generate ***,due to the small storage capacities of IoT devices,they are required to store and transfer the generated data to third-party entity called“cloud”,which creates one single point to store their ***,as the number of participants increases,the size of generated data also ***,such a centralized mechanism for data collection and exchange between participants is likely to face numerous challenges in terms of security,privacy,and *** address these challenges,Federated Learning(FL)has been proposed as a reasonable decentralizing approach,in which clients no longer need to transfer and store real data in the central ***,they only share updated training models that are trained over their private *** the same time,FL enables clients in distributed systems to share their machine learning models collaboratively without their training data,thus reducing data privacy and security ***,slow model training and the execution of additional unnecessary communication rounds may hinder FL applications from operating properly in a distributed ***,these unnecessary communication rounds make the system vulnerable to security and privacy issues,because irrelevant model updates are sent between clients and ***,in this work,we propose an algorithm for fully homomorphic encryption called Cheon-kim-kim-Song(CkkS)to encrypt model parameters for their local information privacy-preserving *** proposed solution uses the impetus term to speed up model convergence during the model training ***,it establishes a secure communication channel between IoT devices and the *** a

关键词： Federated Learning(FL) Internet of Things(IoTs) lightweight Transport Layer Security(iTLS) Cheon-kim-kim-Song(CkkS)

An ab initio investigation of vibrational, thermodynamic, and optical properties of Sc_2AlC MAX compound

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Chinese Physics B 2016年第10期25卷 103-108页

作者： M A Ali M T nasir M R khatun A k M A Islam S H Naqib Department of Physics Chittagong University of Engineering and Technology Department of Arts & Sciences Bangladesh Army University of Science and Technology Department of Physics University of Rajshahi International Islamic University Chittagong

The structural vibrational, thermodynamical, and optical properties of potentially technologically important, weakly coupled MAX compound, Sc2 Al C are calculated using density functional theory(DFT). The structural properties of ScAlC are compared with the results reported earlier. The vibrational, thermodynamical, and optical properties are theoretically estimated for the first time. The phonon dispersion curve is calculated and the dynamical stability of this compound is investigated. The optical and acoustic modes are observed clearly. We calculate the Helmholtz free energy(F), internal energy(E), entropy(S), and specific heat capacity(Cv) from the phonon density of states. Various optical parameters are also calculated. The reflectance spectrum shows that this compound has the potential to be used as an efficient solar reflector.

关键词： MAX compound phonon dispersion thermodynamical properties optical properties

单核细胞计数与周围血管疾病的关系:来自1999-2002年国民健康和营养调查的结果

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中国动脉硬化杂志 2005年第6期13卷 740-740页

作者： nasir k Guallar E Navas-Acien A Criqui MH Lima JA 谢闵