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Journal of Modern Power Systems and Clean Energy 2024年第1期12卷 167-178页

作者： Qian Hu Siqi bu Wencong Su Vladimir Terzija the Department of Physics Hong Kong Baptist UniversityHong KongChina the Department of Electrical and Electronic Engineering Shenzhen Research InstituteThe Hong Kong Polytechnic UniversityHong KongChina the Department of Electrical and Computer Engineering University of Michigan-DearbornDearbornMI 48128USA the School of Engineering Newcastle UniversityNewcastleUK

Active distribution network(ADN),as a typically cyber-physical system,develops with the evolution of Internet of Things(IoTs),which makes the network vulnerable to cybersecurity *** this paper,the eavesdropping attacks that lead to privacy breaches are addressed for the IoT-enabled ADN.A privacy-preserving energy management system(EMS)is proposed and empowered by secure data exchange protocols based on the homomorphic *** the information transmission among distributed generators and load customers in the EMS,private information including power usage and electricity bidding price can be effectively protected against eavesdropping *** correctness of the final solutions,e.g.,optimal market clearing price and unified power utilization ratio,can be deterministically *** simulation results demonstrate the effectiveness and the computational efficiency of the proposed homomorphically encrypted EMS.

关键词： Eavesdropping attack energy management system homomorphic cryptosystem Internet of Things(IOTs) active distribution network(ADN) privacy-preserving

Epicatechin attenuates lead(Pb)-induced cognitive impairment in mice:regulation on Nrf2 signaling pathway,and interference on the interaction between Pb with albumin

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Food Science and Human Wellness 2024年第2期13卷 1065-1078页

作者： Dai Cheng Qianqian Yu Kexin Zhu Dingdong bu Zijian Wu State Key Laboratory of Food Nutrition and Safety Tianjin University of Science&TechnologyTianjin 300457China School of Biotechnology and Food Science Tianjin University of CommerceTianjin 300134China

Epicatechin(EC)was used in this study to antagonize the cognitive dysfunction caused by lead(Pb)exposure in ***-week-old male Kunming mice were treated with PbCl_(2)(20 mg/kg)and/or EC(50 mg/kg)by gavage administration for 4 *** water maze test showed that EC could improve memory dysfunction induced by *** antagonized Ca^(2+)overload,activated Nrf2 signaling pathway and reduced the accumulation of Pb in the brain and serum,which suggested that EC might alter Pb distribution in *** vitro,spectroscopic analysis,potentiometric titration and docking studies were applied to inquiry into the interaction between bovine serum albumin(BSA)and Pb^(2+)in presence or absence of *** was proved to chelate Pb^(2+)and reduced the interaction between BSA and Pb^(2+).In summary,EC might protect Pb-induced cognitive impairment by activating Nrf2 signaling pathway,and suppressing Pb accumulation via interference on the binding of Pb to albumin.

关键词： Lead Epicatechin Bovine serum albumin Interaction Oxidative stress

The burden of Hypertension-Related Chronic Kidney Disease—China,2010–2019

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China CDC weekly 2024年第14期6卷 282-288页

作者： Youyuan bu Yueru Liu Maigeng Zhou Peng Yin Kejun Liu Yamin Bai Xuancheng Lu Chinese Center for Disease Control and Prevention BeijingChina National Center for Chronic and Non-Communicable Disease Control and Prevention Chinese Center For Disease Control and PreventionBeijingChina China National Health Development Research Center BeijingChina

What is already known about this topic?The global burden of chronic kidney disease(CKD)is on the *** is added by this report?In 2019,5.58 million individuals in China were affected by CKD related to hypertension,leading to 70,260 fatalities and 1.69 million disability-adjusted life years(DALYs).The most affected groups were men,older individuals,and residents of western *** the period from 2010–2019,the age-standardized prevalence rate(ASPR)remained constant,and the agestandardized mortality rate(ASMR)and agestandardized DALY rate(ASDR)showed a decreasing ***,there was an increase in the number of cases,deaths,and DALYs associated with this *** are the implications for public health practice?Hypertension significantly contributes to the burden of CKD;therefore,raising awareness and implementing early screening measures are essential.

关键词： Kidney mortality burden

Reducing children’s exposure to di(2-ethylhexyl)phthalate in homes and kindergartens in China:Impact on lifetime cancer risks and burden of disease

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building Simulation 2024年第3期17卷 431-440页

作者： Dongsheng Tao Wen Sun Donghui Mo Yonghui Lin Wei Lv Daniel Mmereki Yousheng Xu Yanghui Ye Yuanjun Tang Chao Ye Cong Dong Zhongming bu Zhejiang Ecowell Energy Management Technology Co. LtdHangzhouChina Department of Energy and Environmental System Engineering Zhejiang University of Science and TechnologyHangzhouChina Faculty of Health Sciences School of Clinical MedicineUniversity of the WitwatersrandParktown2193JohannesburgSouth Africa

Exposure to di(2-ethylhexyl)phthalate(DEHP)in the indoor environment has been linked with significant health risks for Chinese ***-phase DEHP concentrations in Chinese residences and kindergartens were estimated using a mass balance model based on the current baseline condition and control strategies(i.e.,increasing ventilation rate,reducing area of sources,using mechanical ventilation systems,and using portable air cleaners).The health benefits of each control strategy were quantified as the reduction in lifetime cancer risks(LCR)and burden of disease(BoD).In the current situation,the mean LCR and disability-adjusted life years(DALY)number attributable to indoor DEHP exposure for Chinese children were around 6.0×10^(−6) and 155 thousand,*** mean LCR and DALY might be reduced by 25%-54%and 16%-40%,respectively,by increasing air exchange rates by 100%,reducing the use of source materials by two-thirds or deploying commercial air cleaners in naturally ventilated ***,avoidable DALYs could result in a reduction of mean economic losses of 2.2-5.3 billion *** ventilation systems with filtration units may not be helpful for reducing children’s health ***-specific and tailor-made control measures are critical in lowering indoor exposure to DEHP to promote sustainable buildings and children’s health in China.

关键词： indoor air di(2-ethylhexyl)phthalate children exposure control strategies health benefits

Rational design of robust and transparent superrepellent surfaces for long-term marine antifouling

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Science China(Technological Sciences) 2024年第7期67卷 2031-2039页

作者： CHEN Hui WANG Zhi WANG DaHeng XIAO Feng FU Guang-En bu XueLing ZHAO Lei ZHANG Tao WU DaHeng PU JiBin The State Key Laboratory of Refractories and Metallurgy Wuhan University of Science&TechnologyWuhan 430081China Key Laboratory of Advanced Marine Materials Ningbo Institute of Materials Technology and EngineeringChinese Academy of SciencesNingbo 315201China

Superhydrophobic surfaces have demonstrated exceptional efficacy in combatting biofouling contaminations of optical devices and equipment in marine applications. However, the fabrication of highly transparent superhydrophobic materials remains a formidable challenge due to the inherent trade-off between surface roughness for superhydrophobicity and optical ***, we design a robust and transparent superhydrophobic coating(Si-POSS) embedded silica nanoparticles(200 nm) with fluorinated polyhedral oligomeric silsesquioxanes(F-POSS) and zinc pyrithione(ZPT). The Si-POSS coating exhibits excellent water repellence toward diverse liquids and optical transmittance exceeding 90% in the visible spectrum. Moreover, the Si-POSS coating sustains long-term anti-bacterial(> 99.11%) and anti-algal effects for over 30 days, accompanied by mechanical,chemical, and thermal stability. This research asserts that the Si-POSS coating with outstanding combined characteristics holds significant potential for marine applications, particularly in self-cleaning and antifouling endeavors.

关键词： superhydrophobic surface transparent marine antifouling nanoparticles

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bufei Huoxue capsule (补肺活血胶囊) alleviates silicosis by inhibiting the activation of nucleotide-like receptor containing pyrin domain 3 inflammasome and macrophages polarization based on network pharmacology

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Journal of Traditional Chinese Medicine 2024年

作者： HANG Wenlu WANG Lin BO Yun ZUO Shurun WANG Songquan LI Haiquan bu Chunlu ZHAO Jie ZHOU Xianmei Department of Respiratory and Critical Care Medicine Second Affiliated Hospital of Xuzhou Medical University Medical College of Anhui University of Science and Technology School of Mechatronic Engineering Jiangsu Normal University Department of Respiratory Medicine Jiangsu Province Hospital of Chinese Medicine

OBJECTIVE: To predict the targets of bufei Huoxue capsule （补肺活血胶囊， BFHX） using network pharmacology analysis and to explore its effects and functional targets in a silicotic rat ***: The drug and disease targets were correlated through network pharmacology analysis to explore the targets and signaling pathways of BFHX affecting silicosis. NR8383 cells were cultured to verify the core genes and pathways. A rat model of silicosis was established to verify whether the mechanism behind SiO2-caused pulmonary fibrosis was alleviated by BFHX （0.82 g/kg） and how it affected key targets and pathways. RESULTS: Overlapping BFHX and silicotic gene targets produced 159 interactive targets， and 55 were screened by network topology analysis. The results of gene ontology and Kyoto encyclopedia of genes and genomes enrichment analyses suggested that BFHX could affect silicosis through the nucleotide-like receptor containing pyrin domain 3 （NLRP3） inflammasome. In NR8383 cells， the expression of core genes related to the NLRP3 inflammasome could be inhibited by BFHX treatment. BFHX reduced the degree of alveolitis and collagen deposition， attenuating pulmonary fibrosis in SiO2-induced rat model. Pulmonary macrophage pyroptosis after SiO2exposure was observed under transmission electron microscopy. BFHX alleviated the morphological characteristics of pyroptosis. BFHX also reduced the expression of NLRP3， caspase-1， interleukin-1 beta （IL-1β）， IL-18， IL-6， and tumor necrosis factor-alpha in lung tissues of silicotic rat model. BFHX affected the K ion content in bronchoalveolar lavage fluid when assessed by energy dispersive spectrometer testing. The expression of CD68+and CD206+were also reduced after BFHX intervention. CONCLUSION: NOD-like receptor signaling is vital for BFHX’s effects on silicosis. It exerts anti-pulmonary fibrosis effects by inhibiting pulmonary macrophage pyroptosis and polarization through NLRP3 inflammasome activation.

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基于泄漏率预测模型的蝶阀密封性能研究

华中科技大学学报(自然科学版) 2024年第7期52卷 99-105页

作者：熊江帆卜玉兵张国军许国良中广核工程有限公司核电安全技术与装备全国重点实验室华中科技大学能源与动力工程学院

为提高事故工况下安全壳隔离阀的密封性能，以某DN250蝶阀为研究对象，提出一种泄漏率预测方法．联合微细尺度下的密封副接触界面间隙流动的数值仿真和宏观尺度下的密封副力学变形特性仿真，建立了泄漏率与各种因素之间的定量关系．通... 详细信息

为提高事故工况下安全壳隔离阀的密封性能，以某DN250蝶阀为研究对象，提出一种泄漏率预测方法．联合微细尺度下的密封副接触界面间隙流动的数值仿真和宏观尺度下的密封副力学变形特性仿真，建立了泄漏率与各种因素之间的定量关系．通过与实验测量结果比较验证了模型的有效性．将该模型应用于密封性能影响因素分析，结果表明：减小密封面粗糙度、增大密封副过盈量，严格防止阀板负角度位移发生等，可以有效控制蝶阀的泄漏率，而材料硬度对泄漏率的影响并不显著．在分析的基础上，提出以泄漏率为直接指标确定阀门密封副最小过盈量的方法，可有效指导阀门密封副的设计与维护．

关键词：蝶阀泄漏率预测模型粗糙度过盈量

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Solid Rocket Booster Thrust Asynchrony Identification Method for Solid Rocket bundled Rockets With ESO

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Aerospace China 2024年第1期25卷 40-46页

作者： WU Kao ZHANG Chi CHEN Yan XU Guoguang bu Xiangwei Oriental Space Technology(Shandong)Co. LtdBeijing 102600

The role of the rocket attitude control system is to execute the required maneuvers for guidance and ensure the stability of the rocket's flight attitude. Attitude control technology has always been one of the key technologies for ensuring the success of rocket flights and has been a core topic in carrier rocket technology research. The Gravity-1 solid carrier rocket is the first solid rocket bundled rocket developed by China, adopting a configuration with four boosters and a core stage bundled together. During the actual flight process, the four booster engines are ignited first, and then, in the event of insufficient control force from the boosters, the core stage engine is ignited to participate in control. To address thrust asynchrony during the descent of the four boosters, an Extended State Observer(ESO) is employed in the control scheme for this flight segment. This involves real-time estimation and compensation of attitude parameters during flight, identification of thrust asynchrony among the boosters, and simultaneous determination of whether the core stage engine is ignited to participate in *** six degrees of freedom simulation analysis and Y1 flight test validation, this method has been proven to be correct and feasible.

关键词： Extended State Observer(ESO) solid booster attitude control thrust asynchrony

Photocatalytic reduction of CO_(2) with H_(2)O into C_(2)H_(6) mediated by dual metalation strategy

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Science China Chemistry 2024年第5期67卷 1381-1383页

作者： Mei Wang Tong-bu Lu School of Materials Science and Engineering Institute for New Energy Materials&Low Carbon TechnologiesTianjin University of TechnologyTianjin 300384China

Artificial solar-energy-driven CO_(2) reduction into value-added fuels under mild conditions provides a promising strategy to mitigate energy crisis and alleviate environmental issues around the world. Among diverse products of CO_(2) reduction reaction, C_(2+) compounds are more desirable in terms of their high energy density and commercial value [1].Thus far, various photocatalysts have been constructed for CO_(2) reduction.

关键词： reduction desirable value

Detection of Nonlinear Behavior Induced by Hard Limiting in Voltage Source Converters in Wind Farms Based on Higher-order Spectral Analysis

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Journal of Modern Power Systems and Clean Energy 2024年第2期12卷 630-645页

作者： Zetian Zheng Shaowei Huang Qiangsheng bu Chen Shen Jun Yan State Key Laboratory of Power Systems Department of Electrical EngineeringTsinghua UniversityBeijing 100084China State Grid Jiangsu Electric Power Co. Ltd.Research InstituteNanjingChina

In recent years, sub-synchronous oscillation accidents caused by wind power integration have received extensive attention. The recorded constant-amplitude waveforms can be induced by either linear or nonlinear oscillation mechanisms. Hence, the nonlinear behavior needs to be distinguished prior to choosing the analysis method. Since the 1960s, the higher-order statistics(HOS) theory has become a powerful tool for the detection of nonlinear behavior(DNB) in production quality control wherein it has mainly been applied to mechanical condition monitoring and fault diagnosis. This study focuses on the hard limiters of the voltage source converter(VSC) control systems in the wind farms and attempts to detect the nonlinear behavior caused by bi-or uni-lateral saturation hard limiting using the HOS analysis. First, the conventional describing function is extended to obtain the detailed frequency domain information on the bi-and uni-lateral saturation hard limiting. Furthermore, the bi-and tri-spectra are introduced as the HOS, which are extended into bi-and tri-coherence spectra to eliminate the effects of the linear parts on the harmonic characteristics of hard limiting in the VSC control system, respectively. The effectiveness of the HOS in the DNB and the classification of the hard-limiting types is proven, and its detailed derivation and estimation procedure is presented. Finally, the quadratic and cubic phase coupling in the signals is illustrated, and the performance of the proposed method is evaluated and discussed.

关键词： Bi-coherence spectrum detection of nonlinear behavior hard limiting higher-order statistics tri-coherence spectrum voltage source converter wind farms.