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| 1 | A Novel Robust Attitude Control for Quadrotor Aircraft Subject to Actuator Faults and Wind Gusts显示文摘A novel robust fault tolerant controller is developed for the problem of attitude control of a quadrotor aircraft in the presence of actuator faults and wind gusts in this paper.Firstly, a dynamical system of the quadrotor taking into account aerodynamical effects induced by lateral wind and actuator faults is considered using the Newton-Euler approach. Then,based on active disturbance rejection control(ADRC), the fault tolerant controller is proposed to recover faulty system and reject perturbations. The developed controller takes wind gusts,actuator faults and measurement noises as total perturbations which are estimated by improved extended state observer(ESO)and compensated by nonlinear feedback control law. So, the developed robust fault tolerant controller can successfully accomplish the tracking of the desired output values. Finally, some simulation studies are given to illustrate the effectiveness of fault recovery of the proposed scheme and also its ability to attenuate external disturbances that are introduced from environmental causes such as wind gusts and measurement noises. | Yuying Guo Bin Jiang Youmin Zhang | 2018 | IEEE/CAA Journal of Automatica Sinica2018，5，1： | 18 |
| 2 | Photochemical pollution in Lanzhou, China - A case study显示文摘The photochemical air pollution in Xigu district of Lanshou city, Gansu Province was studied during a period of 1981-1984. The extremely high NMHC/NOx ratio and ozone level elevation after rain have been noticed. A series of outdoor and indoor reaction chamber simulation experiments conducted in order to understand the specific conditions. The ozone formation under NMHC/NOx condition and the possible reason for high ozone concentration after rain are discussed. | Tang Xiaoyan , Li Jinglong, Dong ZhenXing, Wang Yuying,Wang Wenxing , Qi Liwen, Liu Xiling, Zhang Yutian, Zhang Xuejin,Tian Bingshen, Jin Suwen , Yang Lingqing and Zhang Yixin Department of Technical Physics,Peking University, Beijing, China. Chinese Reaearch Academy of Eavironmental Sciences, Beijing,China. Gansu Provincial Environmental Research Institute, Lanshou, China. Lanshou Petrochemical Engineering Institute, Lanshou, China. | 1989 | Journal of Environmental Sciences1989，1，1： | 15 |
| 3 | Expression of a Buckwheat Trypsin Inhibitor Gene in Escherichia coil and its Effect on Multiple Myeloma IM-9 Cell Proliferation显示文摘荞麦胰蛋白酶抑制剂(BTI ) 的基因在 Escherichia 被克隆并且表示这个 recombinant 禁止者的产量在由在 Ni^(2+)-NTA Sepharose 列上使用 one-steppurification 的 12 mg/L 上的 coli.The。它的分子的重量是 9322.1 Da,由集体光谱分析决定了。MTT 和 cytometry 分析证明 recombinant BTI 能明确地禁止 IM-9 人的 B lymphoblastoid 房间的增长(从有多重骨髓瘤的病人) 以一种剂量依赖者方式。recombinant 的测试在 IM-9 房间的导致 BTI 的 apoptosis 暗示禁止者可能在癌症的治疗有潜在的申请。 | Zheng ZHANG Yuying LI Chen LI Jingming YUAN Zhuanhua WANG | 2007 | Acta Biochimica et Biophysica Sinica2007，39，9： | 14 |
| 4 | Advances in fabrication of ceramic corundum abrasives based on sol–gel process显示文摘Corundum abrasives with good chemical stability can be fabricated into various free abrasives and bonded abrasive tools that are widely used in the precision machining of various parts.However,these abrasives cannot satisfy the machining requirements of difficult-to-machine materials with high hardness,high strength,and strong wearing resistance.Although superhard abrasives can machine the above-mentioned materials,their dressing and manufacturing costs are high.By contrast,ceramic corundum abrasives fabricated by sol–gel method is a costeffective product between conventional and superhard abrasives.Ceramic corundum abrasives exhibit self-sharpening and high toughness.In this review,the optimization methods of ceramic corundum abrasive properties are introduced from three aspects:precursor synthesis,particle shaping,and sintering.Firstly,the functional mechanism of seeds and additives on the microstructural and mechanical properties of abrasives is analyzed.Specifically,seeds can reduce the phase transition temperature and improve fracture toughness.The grain size and uniformly dense structure can be controlled by applying an appropriate amount of multicomponent additives.Then,the urgent need of engineering application and machinability of special shape ceramic corundum abrasives is reviewed,and three methods of abrasive shaping are summarized.The micromold replication technique is highly advanced and can be used to prepare functional abrasives.Additionally,the influence of a new sintering method,namely,two-step sintering technique,on the microstructural and mechanical performance of ceramic corundum abrasives is summarized.Finally,the challenge and developmental trend of the optimization of ceramic corundum abrasives are prospected. | Baoteng HUANG Changhe LI Yanbin ZHANG Wenfeng DING Min YANG Yuying YANG Han ZHAI Xuefeng XU Dazhong WANG Sujan DEBNATH Muhammad JAMIL Hao Nan Li Hafiz Muhammad ALI Munish Kumar GUPTA Zafar SAID | 2021 | Chinese Journal of Aeronautics2021，34，6： | 11 |
| 5 | 3-D geologic architecture of Xiong'an New Area: Constraints from seismic reflection data显示文摘Studying the geologic architecture of the Xiong'an New Area will provide important basis for the evaluation of crustal stability, urban planning and infrastructural projects in this region, and it is also of great significance in exploring the occurrence of oil and gas, geothermal, hot dry rock and other resources. The stratigraphic system of the study area is established by using latest high quality seismic reflection and deep borehole data. Characteristics of the major faults developed in the study area are finely depicted with the method of structural analysis. Tectonic evolution of Xiong'an and adjacent areas is reconstructed by using balanced geological cross-section technique. The tectonic activity of the study area is discussed on the basis of the development of secondary faults and the distribution of active earthquakes across the region. This study demonstrates that Xiong'an New Area is located at the transfer zone of the central and northern Jizhong Depression. There are three regional unconformities developed in this area, by which four structural layers are sub-divided. Controlled by the Taihang Mountain piedmont fault, the Daxing fault, the Rongcheng fault and the Niudong fault, the structural framework of the study area is characterized by intervening highs with sags. This structural pattern has an important controlling over the reservoir characteristics, hydrocarbon accumulation and the distribution of geothermal resources and hot dry rock within this region. Rifting in this area began in the early Paleogene, exhibiting typical episodic character and became inactive in Neogene. The development feature of secondary faults along with the distribution of active earthquakes indicate that Xiong'an New Area has been in a relatively stable tectonic setting since the Neogene, while the Baxian Sag and other structural units to the east of it have obviously been in a rather active environment. | Dengfa HE Shuaiqiang SHAN Yuying ZHANG Renqi LU Ruifeng ZHANG Yongqian CUI | 2018 | Science China Earth Sciences2018，61，8： | 10 |
| 6 | Novel robust fault diagnosis method for flight control systems显示文摘A novel robust fault diagnosis scheme, which possesses fault estimate capability as well as fault diagnosis property, is proposed. The scheme is developed based on a suitable combination of the adaptive multiple model (AMM) and unknown input observer (UIO). The main idea of the proposed scheme stems from the fact that the actuator Lock-in-Place fault is unknown (when and where the actuator gets locked are unknown), and multiple models are used to describe different fault scenarios, then a bank of unknown input observers are designed to implement the disturbance de-coupling. According to Lyapunov theory, proof of the robustness of the newly developed scheme in the presence of faults and disturbances is derived. Numerical simulation results on an aircraft example show satisfactory performance of the proposed algorithm. | Guo Yuying Jiang Bin Zhang Youmin Wang dianfei | 2008 | Journal of Systems Engineering and Electronics2008，19，5： | 10 |
| 7 | Flavonoids from tartary buckwheat induce G2/M cell cycle arrest and apoptosis in human hepatoma HepG2 cells显示文摘 | Yuying Li Shizhao Duan Haiyan Jia Chongzhi Bai Liwei Zhang Zhuanhua Wang | 2014 | Acta Biochimica et Biophysica Sinica2014，46，6： | 10 |
| 8 | The Survey of Birth Defects Rate Based on Birth Registration System显示文摘 | Min Yu Zhiguang Ping Shuiping Zhang Yuying He Rui Dong Xiong Guo | 2015 | Chinese Medical Journal2015，，1： | 10 |
| 9 | Rescued virus from infectious cDNA clone of rabbit hemorrhagic disease virus is adapted to RK13 cells line显示文摘Based on the infectious full-length cDNA clone of rabbit hemorrhagic disease virus (RHDV), the in vitro transcripts are introduced into RK13 cells. 12 h later, CPE could be observed clearly, and virual antigen could also be detected by IFA. The titre of the recovered virus is 104.6/mL. Immune electron micro-scopic observation of the virus particles revealed that the particles were rotund with a diameter of about 30 nm. Besides, virus titre quantification obtained by qRT-PCR showed a correlation between time from infection and virus titre. All these results showed that we have recovered RHDV from RK13 cells by re-verse genetics technology successfully, and this would be very useful in studies of the antigenicity, virulence, pathogenesis, maturation and new type vaccines of RHDV. | LIU Guangqing NI Zheng YUN Tao ZHANG Yuying DU Qingyun SHENG Zutian LIANG Huali HUA Jionggang LI Shuangmao Chen Jianping | 2006 | Chinese Science Bulletin2006，51，14： | 9 |
| 10 | An equivalent ground thermal test method for single-phase fluid loop space radiator显示文摘Thermal vacuum test is widely used for the ground validation of spacecraft thermal control system. However, the conduction and convection can be simulated in normal ground pressure environment completely. By the employment of pumped fluid loops' thermal control technology on spacecraft, conduction and convection become the main heat transfer behavior between radiator and inside cabin. As long as the heat transfer behavior between radiator and outer space can be equivalently simulated in normal pressure, the thermal vacuum test can be substituted by the normal ground pressure thermal test. In this paper, an equivalent normal pressure thermal test method for the spacecraft single-phase fluid loop radiator is proposed. The heat radiation between radiator and outer space has been equivalently simulated by combination of a group of refrigerators and thermal electrical cooler(TEC) array. By adjusting the heat rejection of each device, the relationship between heat flux and surface temperature of the radiator can be maintained. To verify this method,a validating system has been built up and the experiments have been carried out. The results indicate that the proposed equivalent ground thermal test method can simulate the heat rejection performance of radiator correctly and the temperature error between in-orbit theory value and experiment result of the radiator is less than 0.5 C, except for the equipment startup period. This provides a potential method for the thermal test of space systems especially for extra-large spacecraft which employs single-phase fluid loop radiator as thermal control approach. | Ning Xianwen Wang Yuying Zhang Jiaxun Liu Dongxiao | 2015 | Chinese Journal of Aeronautics2015，28，1： | 7 |
| 11 | Medium-Pressure Hydro-upgrading (MHUG) Technology for Producing Clean Diesel Fuel显示文摘This article introduces the development and application of the medium-pressure hydro-upgrading(MHUG) technology developed by the Research Institute of Petroleum Processing(RIPP).The MHUG technology based on the chemistry of diesel hydro-upgrading reactions has the advantages of flexible product slate and excellent product quality that can increase the cetane rating of diesel fuel up to more than 15 units.The hydrotreating and hydro-upgrading catalysts associated with the MHUG technology have outstanding performance to meet the demand of MHUG technology for hydro-saturation and selective ring-opening of aromatic rings.New MHUG process flow scheme can further increase the yield and selectivity of target products.Commercial application of multiple MHUG units has revealed that the MHUG technology designated for clean diesel production features good feedstock adaptability and operating stability. | Jiang Donghong Zhang Yuying Hu Zhihai Nie Hong | 2012 | China Petroleum Processing & Petrochemical Technology2012，14，1： | 7 |
| 12 | Expert Consensus on the Care and Management of Patients with Cognitive Impairment in China显示文摘The cognitive disease consensus was prepared by panels of health and public representatives based on actual clinical practice in Geriatric Departments in Chinese hospitals and a systematic literature review. This consensus reflects the medical knowledge accumulated by those experts and provides information about professional medical care and advice.A multidisciplinary panel of specialists(neurologists,psychiatrists, and nursing specialists) reports an expert consensus on the medical knowledge accumulated from those experts and provides information about professional medical care and advice. The recommendations focus on the care and management of older adults with mild cognitive impairment,the objectives and methods of maintaining cognition and training, the assessments and measures of daily care for patients at different stages of dementia, the assessments and coping strategies for the behavioral and psychological symptoms of dementia, principles and suggestions for an appropriate living environment, arrangements for recreational activities, the care and management of patients with endstage dementia, and suggestions for addressing stress in caregivers. | 无 Yuliang Han Jianjun Jia Xia Li Yang Lv Xuan Sun Shanshan Wang Yongjun Wang Zhiwen Wang Jintao Zhang Jiong Zhou Yuying Zhou | 2020 | Neuroscience Bulletin2020，36，3： | 7 |
| 13 | Visualization of perforin/gasdermin/complement-formed pores in real cell membranes using atomic force microscopy显示文摘Different types of pores ubiquitously form in cell membranes,leading to various types of cell death that profoundly influence the fate of inflammation and the disease status.However,these pores have never truly been visualized to date.Atomic force microscopy(AFM),which is emerging as a powerful tool to analyze the mechanical properties of biomolecules and cells,is actually an excellent imaging platform that allows biological samples to be visualized by probing surface roughness at the level of atomic resolution.Here,membrane pore structures were clearly visualized using AFM.This visualization not only describes the aperture and depth of the pore complexes but also highlights differences among the pores formed by perforin and gasdermins in tumor cell membranes and by complement in immune cell membranes.Additionally,this type of visualization also reveals the dynamic process of pore formation,fusion,and repair. | Yuying Liu Tianzhen Zhang Yabo Zhou Jiping Li Xiaoyu Liang Nannan Zhou Jiadi Lv Jing Xie Feiran Cheng Yiliang Fang Yunfeng Gao Ning Wang Bo Huang | 2019 | Cellular & Molecular Immunology2019，16，6： | 6 |
| 14 | Magnetic evidence for heavy metal pollution of topsoil in Shanghai, China显示文摘这研究介绍从土壤侧面的集中大小在 Baoshan 区域从可耕地和城市的公园收集了的磁性的危险性和重金属(Cu, Zn, Pb,和 Cr ) 获得的结果,上海的一个工业区域,中国。学习在土壤侧面在磁性的危险性和重金属集中并且在在磁性的危险性和重金属集中之间的关联上集中于垂直变化的调查。结果证明在土壤侧面的表面层的那磁性的改进与增加的重金属污染被联系。丰富因素(EF ) 和 Tomlinson 污染负担索引(PLI-EF ) 为在学习估计土壤侧面的重金属污染的水平被计算。在重金属内容,丰富因素(EF ) , Tomlinson 污染负担索引(PLI-CF ) ,修改 Tomlinson 污染负担索引(PLI-EF ) ,和磁性的危险性(c) 之间的重要积极关联重金属那么显示在学习区域的污染被连接到燃烧导出的微粒排出物。结果证实联合磁性的测量和重金属集中分析能为在城市的环境监视的土壤提供有用信息。然而,磁性的技术的使用应该被进一步的 geochemical 分析证实在这个学习区域的土壤侧面定位重金属污染边界。 | Guan WANG Yuan LIU Jiao CHEN Feifan REN Yuying CHEN Fangzhou YE Weiguo ZHANG | 2018 | Frontiers of Earth Science2018，12，1： | 5 |
| 15 | Genomic surveillance of coxsackievirus A10 reveals genetic features and recent appearance of genogroup D in Shanghai,China,2016–2020显示文摘Coxsackievirus A10(CVA10)is one of the major causative agents of hand,foot and mouth disease(HFMD).To investigate the epidemiological characteristics as well as genetic features of CVA10 currently circulating in Shanghai,China,we collected a total of 9,952 sporadic HFMD cases from January 2016 to December 2020.In the past five years,CVA10 was the fourth prevalent causatives associated with HFMD in Shanghai and the overall positive rate was 2.78%.The annual distribution experienced significant fluctuations over the past five years.In addition to entire VP1 sequencing,complete genome sequencing and recombination analysis of CVA10 isolates in Shanghai were further performed.A total of 64 near complete genomes and 11 entire VP1 sequences in this study combined with reference sequences publicly available were integrated into phylogenetic analysis.The CVA10sequences in this study mainly belonged to genogroup C and presented 91%-100%nucleotide identity with other Chinese isolates based on VP1 region.For the first time,our study reported the appearance of CVA10 genogroup D in Chinese mainland,which had led to large-scale outbreaks in Europe previously.The recombination analysis showed the recombination break point located between 5,100 nt and 6,700 nt,which suggesting intertypic recombination with CVA16 genogroup D.To conclusion,CVA10 genogroup C was the predominant genogroup in Shanghai during 2016-2020.CVA10 recombinant genogroup D was firstly reported in circulating in Chinese mainland.Continuous surveillance is needed to better understand the evolution relationships and transmission pathways of CVA10 to help to guide disease control and prevention. | Jiayu Wang Jiajing Liu Fanghao Fang Jiajin Wu Tianjiao Ji Yuying Yang Ling Liu Chongshan Li Wanju Zhang Xi Zhang Zheng Teng | 2022 | Virologica Sinica2022，37，2： | 5 |
| 16 | Electrochemical Oxidative Csp^3—H/S—H Cross-Coupling with Hydrogen Evolution for Synthesis of Tetrasubstituted Olefins显示文摘Tetrasubstituted olefins are significant scaffolds as they are prevalent in many biologically active compounds and versatile building blocks for organic synthesis. Herein, we report an electrochemical oxidative Csp^3—H/S—H cross-coupling reaction, in which various tetrasubstituted olefins were prepared under base-free, transition metal-free, and oxidants-free reaction conditions. | Fangling Lu Zengzhuan Yang Tao Wang Tianhao Wang Yuying Zhang Yong Yuan Aiwen Lei | 2019 | Chinese Journal of Chemistry2019，37，6： | 5 |
| 17 | Occurrence of bisphenol A in surface and drinking waters and its physicochemical removal technologies显示文摘Bisphenol A (BPA ) ,内分泌的破坏混合物,在环境和有害效果由于它的宽出现引起了宽公共担心。BPA 与最大的集中在许多表面水和喝的水里被检测了直到十 | Liping LIANG Jing ZHANG Pian FENG Cong LI Yuying HUANG Bingzhi DONG Lina LI Xiaohong GUAN | 2015 | Frontiers of Environmental Science & Engineering2015，9，1： | 5 |
| 18 | Boosted electromagnetic wave absorption performance from synergistic induced polarization of SiC_(NWs)@MnO_(2)@PPy heterostructures显示文摘In the last decade,electromagnetic pollution has caused people’s considerable attention.Developing absorbing material with low cost,lightweight,simple preparation,and high electromagnetic attenuation efficiency has become a feasible means to deal with this problem.In this work,core–shell SiC_(NWs)@MnO_(2)@PPy(NWs:nanowires,PPy:polypyrrole)heterostructures composed of SiC nanowires core,MnO_(2)nanosheets inter-layer,and PPy coating were successfully prepared through chemical vapor deposition and two-step electrodeposition process.Taking advantage of the interfacial polarization and dipole polarization,the obtained product displays excellent electromagnetic wave absorption performances with the minimum reflection loss(RLmin)of−50.59 dB when the matching thickness is 2.41 mm,and the optimal effective absorption bandwidth(EAB)value reaches to 6.64 GHz at a matching thickness of 2.46 mm,revealing that the SiC_(NWs)@MnO_(2)@PPy nanocomposite could be served as a promising electromagnetic wave absorbing material.On the basis of systematic analysis concerning the electromagnetic parameters,the dissipation process of the incident electromagnetic wave was demonstrated reasonably,which may provide a referable preparation strategy for novel heterostructures,especially nonmagnetic lightweight absorbing material. | Meng Zhang Laibin Zhao Wenxin Zhao Ting Wang Liying Yuan Yuying Guo Yuxin Xie Tingting Cheng Alan Meng Zhenjiang Li | 2023 | Nano Research2023，16，2： | 4 |
| 19 | The characteristic periodicity analysis of the radio flux variability of quasar PKS 1510-089显示文摘A wavelet analysis method is introduced to study the possible periods of PKS 1510-089 in radio bands. By compiling the radio light curve of PKS 1510-089 at frequencies of 22 and 37 GHz from 1990 to 2005, and using the wavelet analysis method, the evidence of quasi-periodic activity in PKS 1510-089 was obtained. The results indicate that: (1) There are two stable outburst periods of T1=(1.80±0.06) yr and T2= (0.90±0.07) yr presenting in the isoplethal map of PKS 1510-089 at the radio band 37 GHz; (2) there is an outburst period of T1=(1.80±0.06) yr presenting at the radio band 22 GHz; (3) by the continuum of the isograms map, we find the primary period of PKS 1510-089 is T1=(1.80±0.06) yr, and the period of T2= (0.90±0.07) yr may be the half period. The above results are consistent with the reports of Xie et al. (2004, 2005, 2008), Wu et al. (2005) and Liu & Fan (2007), using the other methods. We can expect that the next burst will be in January 2011. | ZHANG HaoJing ZHAO Gang ZHANG Xiong DONG FuTong XIE ZhaoHua YI TingFeng ZHENG YongGang BAO YuYing | 2009 | Science China(Physics,Mechanics & Astronomy)2009，52，9： | 4 |
| 20 | Economic evaluation of cervical cancer screening strategies in urban China显示文摘Objective:This study evaluated the feasibility of different cervical cancer screening strategies in urban China.Methods:A Markov model was constructed to simulate a hypothetical cohort of 100,000 females aged 30-59 years in a 20-year period.Screening strategies included liquid-based cytology(LBC)every three years,human papillomavirus(HPV)DNA testing every three and five years,respectively,and a combination of HPV DNA testing and LBC(HPV+LBC)every three and five years,respectively.Model outcomes included cumulative incidence over 20 years,cumulative risk of cervical cancer,costs,life year saved(LYS),quality-adjusted life years(QALYs)and benefits.The cost-effectiveness ratios(CERs),incremental cost-effectiveness ratios(ICERs),costutility ratios(CURs),and benefit-cost ratios(BCRs)were used as outcomes in the health economic evaluation analysis.Univariate sensitivity analyses were performed to examine the stability of the results.Results:The cumulative incidence of the five screening strategies ranged from 833.02 to 1,158.07 cases per100,000 females.HPV DNA testing was most effective in reducing the cumulative risk of cervical cancer,saving life years and QALYs and gaining benefits.The CERs of HPV DNA testing every three and five years,and LBC every three years were considered to be very cost-effective if they were below China's GDP per capita.The CERs of HPV+LBC were considered to be cost-effective if they were below three times GDP per capita.The incremental cost-effectiveness analysis showed that HPV DNA testing every three and five years,LBC every three years and HPV+LBC every five years were dominant strategies.Conclusions:The findings of this study indicated that HPV DNA testing every five years or LBC every three years should be recommended in urban China. | Li Ma Yuying Wang Xiaohong Gao Yi Dai Yu Zhang Zhaojing Wang Xiaoxia Wang Limin Wang Jing Jiang Xinhua Jing Chunxia Yang Fanghui Zhao Jinghe Lang Youlin Qiao | 2019 | Chinese Journal of Cancer Research2019，31，6： | 4 |
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