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Risk factors in cardiovascular patients:Challenges and opportunities to improve secondary prevention

World Journal of Cardiology 2023年第7期15卷 342-353页

作者： Rahima Gabulova Anna Marzà-Florensa Uzeyir Rahimov Mahluga Isayeva Shahana Alasgarli Afag Musayeva Sona Gahramanova Firdovsi Ibrahimov farid aliyev Galib Imanov Rahmana Rasulova Ilonca Vaartjes Kerstin Klipstein-Grobusch Ian Graham Diederick E Grobbee Teaching-Therapeutical Hospital Azerbaijan Medical UniversityBaku AZ1022Azerbaijan Julius Center for Health Sciences and Primary Care University Medical Center UtrechtUtrecht 3508 GANetherlands Department of Cardiology Baku Medical PlazaBaku AZ1014Azerbaijan Department of CHD and Arrhythmias Scientific-Research Institute of CardiologyBaku AZ1072Azerbaijan Department of Cardiology Central Clinic HospitalBaku AZ1006Azerbaijan Heart Center Baku Health CenterBaku AZ1072Azerbaijan Teaching-Surgical Hospital Azerbaijan Medical UniversityBaku AZ1022Azerbaijan Department of Public Health Azerbaijan Medical UniversityBaku AZ1022Azerbaijan Department of Cardiology Trinity College DublinDublin Dublin-2Ireland

BACKGROUND Effective management of major cardiovascular risk factors is of great importance to reduce mortality from cardiovascular disease(CVD).The Survey of Risk Factors in Coronary Heart Disease(SURF CHD)II study is a clinical audit of the recording and management of CHD risk *** was developed in collaboration with the European Association of Preventive Cardiology and the European Society of Cardiology(ESC).Previous studies have shown that control of major cardiovascular risk factors in patients with established atherosclerotic CVD is generally *** is a country in the South Caucasus,a region at a very high risk for *** To assess adherence to ESC recommendations for secondary prevention of CVD based on the measurement of both modifiable major risk factors and their therapeutic management in patients with confirmed CHD at different hospitals in Baku(Azerbaijan).METHODS Six tertiary health care centers participated in the SURF CHD II study between 2019 and *** on demographics,risk factors,physical and laboratory data,and medications was collected using a standard questionnaire in consecutive patients aged≥18 years with established CHD during outpatient *** from 687 patients(mean age 59.6±9.58 years;24.9%female)were included in the *** Only 15.1%of participants were involved in cardiac rehabilitation *** rate of uncontrolled risk factors was high:Systolic blood pressure(BP)(SBP)(54.6%),low-density lipoprotein cholesterol(LDL-C)(86.8%),diabetes mellitus(DM)(60.6%),as well as overweight(66.6%)and obesity(25%).In addition,significant differences in the prevalence and control of some risk factors[smoking,body mass index(BMI),waist circumference,blood glucose(BG),and SBP]between female and male participants were *** cardiovascular health index score(CHIS)was calculated from the six risk factors:Non-or ex-smoker,BMI<25 kg/m2,moderate/vigorous physical activity,controlled BP(<140/90 mmHg;140/80 mmHg

关键词： Coronary heart disease Cardiovascular risk factors Secondary prevention Clinical practice guidelines Clinical audit Survey of risk factors

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Unleashing the Potential of Electroactive Hybrid Biomaterials and Self‑Powered Systems for Bone Therapeutics

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Nano-Micro Letters 2025年第2期17卷 463-497页

作者： Shichang Liu farid Manshaii Jinmiao Chen Xinfei Wang Shaolei Wang Junyi Yin Ming Yang Xuxu Chen Xinhua Yin Yunlei Zhou Honghui Hospital Xi’an Jiaotong UniversityXi’an 710018People’s Republic of China Department of Bioengineering Henry Samueli School of Engineering and Applied ScienceUniversity of California Los AngelesLos Angeles 90095USA Hangzhou Institute of Technology Xidian UniversityHangzhou 311231People’s Republic of China

The incidence of large bone defects caused by traumatic injury is increasing worldwide,and the tissue regeneration process requires a long recovery time due to limited self-healing *** bioelectrical phenomena have been well recognized as critical biophysical factors in bone remodeling and *** by bioelectricity,electrical stimulation has been widely considered an external intervention to induce the osteogenic lineage of cells and enhance the synthesis of the extracellular matrix,thereby accelerating bone *** ongoing advances in biomaterials and energy-harvesting techniques,electroactive biomaterials and self-powered systems have been considered biomimetic approaches to ensure functional recovery by recapitulating the natural electrophysiological microenvironment of healthy bone *** this review,we first introduce the role of bioelectricity and the endogenous electric field in bone tissue and summarize different techniques to electrically stimulate cells and ***,we highlight the latest progress in exploring electroactive hybrid biomaterials as well as self-powered systems such as triboelectric and piezoelectric-based nanogenerators and photovoltaic cell-based devices and their implementation in bone tissue ***,we emphasize the significance of simulating the target tissue’s electrophysiological microenvironment and propose the opportunities and challenges faced by electroactive hybrid biomaterials and self-powered bioelectronics for bone repair strategies.

关键词： Electroactive biomaterials Self-powered bioelectronics Bone regeneration Bone tissue

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Pressureless infiltration of Si_3N_4 preforms with an Al-2wt%Mg alloy

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Journal of University of Science and Technology Beijing 2005年第4期12卷 351-356页

作者： Akhtar farid Materials Science and Engineering School

The pressureless infiltration process to synthesize a silicon nitride composite was investigated. An Al-2wt%Mg alloy was infiltrated into silicon nitride preforms in the atmosphere of nitrogen. It is possible to infiltrate the Al-2wt%Mg alloy in silicon nitride preforms, The growth of the composite with useful thickness was facilitated by the presence of magnesium powder at the interface and by flowing nitrogen. The microstructure of the Si3N4-Al composite has been characterized using scanning electron microscope. During the infiltration of Si3N4 preforms, Si3N4 reacted with aluminium to form silicon and AIN. The silicon produced during the growth consumed in the formation of MgSiAIO, MgSiAlN and Al3.27Si0.47 type phases. The growth of the composite was found to proceed in two ways, depending on the oxide content in the initial preforms, First, less oxide content preforms gave rise to MgAlSiO and MgAlSiN type phases after infiltration. Second, more oxide content preforms gave rise to AlN-Al2O3 solid solution phase （AlON）, The AlON phase was only present in the composite, containing 10% aluminium in the silicon nitride preforms before infiltration.

关键词： Si3N4 composite infiltration AlON AlN-Al2O3 solid solution

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Development of Si_3N_4/Al composite by pressureless melt infiltration

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中国有色金属学会会刊：英文版 2006年第3期16卷 629-632页

作者： Akhtar farid Institute of Powder Metallurgy University of Scien ce and Technology Beijing Beijing 100083 China

Pressureless infiltration process to synthesize Si3N4/Al composite was investigated. Al-2%Mg alloy was infiltrated into Si3N4 and Si3N4 containing 10% Al2O3 preforms in the atmosphere of nitrogen. It is possible to infiltrate Al-2%Mg alloy in Si3N4 and Si3N4 containing 10% Al2O3 preforms. The growth of the dense composite of useful thickness was facilitated by the presence of magnesium powder at the interface and by flowing nitrogen. During infiltration Si3N4 reacted with aluminium to form Si and AlN, the growth of composite was found to proceed in two ways, depending on the Al2O3 content in the initial preform. Firstly, preform without Al2O3 content gives rise to AlN, Al3.27Si0.47 and Al type phases after infiltration. Secondly, perform with 10% Al2O3 content gives rise to AlN-Al2O3 solid solution phase (AlON), MgAl2O4, Al and Si type phases. AlON phase was only present in composite, containing 10% Al2O3 in the Si3N4 preforms before infiltration.

关键词： Si3N4 无压渗透铝复合材料

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Lubrication effectiveness of composite lubricants during P/M electrostatic die wall lubrication and warm compaction

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Journal of University of Science and Technology Beijing 2006年第6期13卷 528-531页

作者： farid Akhtar Materials Science and Engineering School University of Science and Technology BeijingBeijing 100083China

The lubrication effectiveness of the composite lubricants, 50wt% ethylene bis-stearamide （EBS） wax ＋50wt% graphite and 50wt% EBS wax ＋ 50wt% BN, during the powder metallurgy （P/M） electrostatic die wall lubrication and warm compaction was studied. The results show that the combination of 50wt% EBS wax and 50wt% graphite has excellent lubrication performance, resulting in fairly high green densities, but the mixture of 50wt% EBS wax and 50wt% BN has less beneficial effect. In addition, corresponding die temperatures should be applied when different die wall lubricants are used to achieve the highest green densities.

关键词： powder metallurgy composite lubricant electrostatic die wall lubrication warm compaction

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Theoretical Study of Mechanism and Regioselectivity of 1,3-dipolar Cycloaddition of N-[methyl]-C-[5-nitro-2-furyl] Nitrilimine with Dimethyl 7-oxabicyclo[2,2,1]hepta-2,5-diene-2,3-dicarboxylate

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Chinese Journal of Chemical Physics 2010年第2期23卷 165-168,I0001页

作者： farid Moeinpour 伊斯兰阿扎德大学理学院化学系阿巴斯港***伊朗

The mechanism and regioselectivity of 1,3-dipolar cycloaddition of N-[methyl]-C-[5-nitro-2-furyl] nitrilimine with dimethyl 7-oxabicyclo[2,2,1]hepta-2,5-diene-2,3-dicarboxylate were investigated using activation energy calculations and density functional theory-based reactivity indexes. The reaction proceeds by an asynchronous concerted mechanism. The calculations are performed at the B3LYP/6-31G（d） level of theory and the obtained results are in agreement with experimental outcome.

关键词： Regioselectivity 1 3-dipolar cycloaddition Nitrilimine DFT-based reactivity index B3LYP calculation

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Effect of inner oxidant on self-propagating high-temperature synthesis of MnZn-ferrite powder

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Rare Metals 2006年第z1期25卷 553-556页

作者： AKHTAR farid School of Materials Science and Engineering University of Science and Technology Beijing

Using KClO3 as an inner oxidant, MnZn-ferrite powder was synthesized by a self-propagating high-temperature synthesis (SHS) process in normal air atmosphere. The effects of the inner oxidant on combustion temperature, combustion velocity, microstructure and the phase of the product were investigated by XRD and SEM,respectively. The results show that a highly ferritized powder can be obtained as well as the highest combustion temperature and the highest combustion velocity when the inner oxidant content m equals 54(k-16).

关键词： inner oxidant self-propagating high-temperature synthesis (SHS) MnZn-ferrite powder

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Stainless steel binder for the development of novel TiC-reinforced steel cermets

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Journal of University of Science and Technology Beijing 2006年第6期13卷 546-550页

作者： Akhtar farid Materials Science and Engineering School University of Science and Technology BeijingBeijing 100083 China

Steel reinforced TiC composites are an attractive choice for wear resistance and corrosion resistance applications. TiC- reinforced 17-4PH maraging stainless matrix composites were processed by conventional powder metallurgy （P/M）. TiC-reinforced maraging stainless steel composites with 〉97% of theoretical density were fabricated. The microstructure, mechanical and wear properties of the composites were evaluated. The microstructure of these composites consisted of spherical and semi-spherical TiC particles. A few microcracks appeared in the composites, showing the presence of tensile stress in the composites produced during sintering. Typical properties, namely, hardness and bend strength were reported for the sintered composites. After heat treatment and aging, the increase of hardness was observed. The increase of hardness was attributed to the aging reaction in the 17-4PH stainless steel. The precipitates appeared in the microstructure and were responsible for the increase in hardness. The specific wear behavior of the composites was strongly dependent on the content of TiC particles, the interparticle spacing, and the presence of hard precipitates in the binder phase.

关键词： TiC-based cermets binder phase maraging stainless steel aging microcracks

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Decentralized Voltage Control of Power Systems Using Multi-agent Systems

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Journal of Modern Power Systems and Clean Energy 2020年第2期8卷 249-259页

作者： Hamidreza Shahbazi farid Karbalaei the Department of Electrical Engineering Shahid Rajaee Teacher Training UniversityTehranIran the Faculty of Electrical Engineering Shahid Rajaee Teacher Training UniversityTehranIran

*** our proposed smart self-healing method,two types of control agents are defined,namely master and local,which are applied in two *** the first step,the power system returns to the normal state after fault *** after a fault detection in a power system,the system is divided into three subsystems using spectral graph *** is conducted based on reactive power flow in transmission *** each subsystem,a local control agent and a performance index(PI)are *** the PI of a subsystem exceeds its threshold limit,the local control agent uses the Sugeno fuzzy system to intelligently select and apply control *** the second step as performed by the master control agent,the power system is transformed to an optimal state by solving the optimization *** on a 39-bus New England reveal the effective performance of the proposed method.

关键词： Emergency voltage control partitioning multi-agent systems fuzzy systems

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Inforence: effective fault localization based on information-theoretic analysis and statistical causal inference

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Frontiers of Computer Science 2019年第4期13卷 735-759页

作者： farid FEYZI Saeed PARSA Department of Computer Engineering Iran University of Science and Technology Tehran Iran

In this paper, a novel approach, Inforence, is proposed to isolate the suspicious codes that likely contain faults. Inforence employs a feature selection method, based on mutual information, to identify those bug-related statements that may cause the program to fail. Because the majority of a program faults may be revealed as undesired joint effect of the program statements on each other and on program termination state, unlike the state-of-the-art methods, Inforence tries to identify and select groups of interdependent statements which altogether may affect the program failure. The interdependence amongst the statements is measured according to their mutual effect on each other and on the program termination state. To provide the context of failure, the selected bug-related statements are chained to each other, considering the program static structure. Eventually, the resultant causeeffect chains are ranked according to their combined causal effect on program failure. To validate Inforence, the results of our experiments with seven sets of programs include Siemens suite, gzip, grep, sed, space, make and bash are presented. The experimental results are then compared with those provided by different fault localization techniques for the both single-fault and multi-fault programs. The experimental results prove the outperformance of the proposed method compared to the state-of-the-art techniques.

关键词： fault localization debugging backward dynamic slice mutual information feature selection

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