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| 1 | Contribution of the Compass satellite navigation system to global PNT users显示文摘As one of the four global satellite navigation systems,Compass not only enhances satellite visibility and availability for positioning,navigation and timing (PNT) for users in China and the surrounding areas,but also improves PNT precision for global users.The improvements in satellite visibility and the dilution of precision are analyzed under GNSS compatibility and interoperation conditions.The contribution of the Compass satellite navigation system to global users,especially the benefits that users can acquire from the combination of Compass,GPS,GLONASS,and Galileo navigation systems,is analyzed using simulation data. | YANG YuanXi LI JinLong XU JunYi TANG Jing GUO HaiRong HE HaiBo | 2011 | Chinese Science Bulletin2011，56，26： | 90 |
| 2 | Preliminary assessment of the navigation and positioning performance of BeiDou regional navigation satellite system显示文摘BeiDou regional navigation satellite system(BDS)also called BeiDou-2 has been in full operation since December 27,2012.It consists of 14 satellites,including 5 satellites in Geostationary Orbit(GEO),5 satellites in Inclined Geosynchronous Orbit(IGSO),and 4 satellites in Medium Earth Orbit(MEO).In this paper,its basic navigation and positioning performance are evaluated preliminarily by the real data collected in Beijing,including satellite visibility,Position Dilution of Precision(PDOP)value,the precision of code and carrier phase measurements,the accuracy of single point positioning and differential positioning and ambiguity resolution(AR)performance,which are also compared with those of GPS.It is shown that the precision of BDS code and carrier phase measurements are about 33 cm and 2 mm,respectively,which are comparable to those of GPS,and the accuracy of BDS single point positioning has satisfied the design requirement.The real-time kinematic positioning is also feasible by BDS alone in the opening condition,since its fixed rate and reliability of single-epoch dual-frequency AR is comparable to those of GPS.The accuracy of BDS carrier phase differential positioning is better than 1 cm for a very short baseline of 4.2 m and 3 cm for a short baseline of 8.2 km,which is on the same level with that of GPS.For the combined BDS and GPS,the fixed rate and reliability of single-epoch AR and the positioning accuracy are improved significantly.The accuracy of BDS/GPS carrier phase differential positioning is about 35 and 20%better than that of GPS for two short baseline tests in this study.The accuracy of BDS code differential positioning is better than 2.5 m.However it is worse than that of GPS,which may result from large code multipath errors of BDS GEO satellite measurements. | YANG YuanXi LI JinLong WANG AiBing XU JunYi HE HaiBo GUO HaiRong SHEN JunFei DAI Xian | 2014 | Science China Earth Sciences2014，57，1： | 125 |
| 3 | Biocompatibility of bio-Mg-Zn alloy within bone with heart, liver, kidney and spleen显示文摘A magnesium-zinc alloy rod was implanted into the marrow cavity of the distal femur in New Zealand rabbits. The femur with the implanted alloy was compared with the contralateral femur in which a bone tunnel without implant was formed as a control. Degradation of the magnesium-zinc alloy was analyzed via X-ray, scanning electron microscopy, and element energy spectrum analysis. Serum magnesium, liver and kidney function tests, and myocardial enzymes were measured. Heart, liver, kidney and spleen were sectioned for pathological analysis, and the effects of the implanted material on the histology and function of important organs were analyzed. Magnesium-zinc alloy was resorbed from the bone marrow cavity of the femur; 87% of the alloy was degraded within 14 weeks after the surgery. There were no significant differences in serum magnesium, liver or kidney function tests, or myocardial enzymes be- fore the surgery and after degradation of the magnesium-zinc alloy. Histology of the heart, liver, kidney, and spleen did not change. This study demonstrated that magnesium-zinc alloy can be resorbed in bone, and that the degradation products have good biocompatibility with heart, liver, kidney, and spleen. | HE YaoHua TAO HaiRong ZHANG Yan JIANG Yao ZHANG ShaoXiang ZHAO ChangLi LI JiaNan ZHANG BeiLei SONG Yang ZHANG XiaoNong | 2009 | Chinese Science Bulletin2009，54，3： | 18 |
| 4 | Semi-tensor product approach to networked evolutionary games显示文摘In this paper a comprehensive introduction for modeling and control of networked evolutionary games(NEGs) via semi-tensor product(STP) approach is presented. First, we review the mathematical model of an NEG, which consists of three ingredients:network graph, fundamental network game, and strategy updating rule. Three kinds of network graphs are considered, which are i) undirected graph for symmetric games; ii) directed graph for asymmetric games, and iii) d-directed graph for symmetric games with partial neighborhood information. Three kinds of fundamental evolutionary games(FEGs) are discussed, which are i) two strategies and symmetric(S-2); ii) two strategies and asymmetric(A-2); and iii) three strategies and symmetric(S-3).Three strategy updating rules(SUR) are introduced, which are i) Unconditional Imitation(UI); ii) Fermi Rule(FR); iii) Myopic Best Response Adjustment Rule(MBRA). First, we review the fundamental evolutionary equation(FEE) and use it to construct network profile dynamics(NPD)of NEGs.To show how the dynamics of an NEG can be modeled as a discrete time dynamics within an algebraic state space, the fundamental evolutionary equation(FEE) of each player is discussed. Using FEEs, the network strategy profile dynamics(NSPD) is built by providing efficient algorithms. Finally, we consider three more complicated NEGs: i) NEG with different length historical information, ii) NEG with multi-species, and iii) NEG with time-varying payoffs. In all the cases, formulas are provided to construct the corresponding NSPDs. Using these NSPDs, certain properties are explored. Examples are presented to demonstrate the model constructing method, analysis and control design technique, and to reveal certain dynamic behaviors of NEGs. | Daizhan CHENG Hongsheng QI Fehuang HE Tingting XU Hairong DONG | 2014 | Control Theory and Technology2014，12，2： | 17 |
| 5 | Integrity analysis of COMPASS and other GNSS combined navigation显示文摘The integrity requirement should be satisfied when GNSS is used in aviation.There are now two ways for integrity monitoring,that is,receiver autonomous integrity monitoring(RAIM) and GNSS integrity channel(GIC) based on augmentation system.The rapid development of the Beidou satellite navigation system(COMPASS) will significantly improve the satellite geometry.Besides,the effects of first order ionosphere delay will be mitigated by the combination of GNSS multi-frequency signals.The availability of RAIM will be enhanced,which makes it possible to provide a worldwide seamless integrity service for aviation by using RAIM.The contribution of COMPASS to the availability of RAIM is analyzed by simulation;and the integrity requirement of which aviation approaching phrase can be satisfied when using COMPASS single system and its combination with other satellite navigation system is analyzed.Moreover,the influence of user range accuracy(URA) of COMPASS on integrity performance is discussed. | XU JunYi YANG YuanXi LI JinLong HE HaiBo GUO HaiRong | 2013 | Science China Earth Sciences2013，56，9： | 8 |
| 6 | Characteristics of distribution of Mycobacterium tuberculosis lineages in China显示文摘The genotyping methods of Mycobacterium tuberculosis would dramatically improve our understanding of the molecular epidemiology of tuberculosis. 3,929 isolates, from a National Survey of Drug-Resistant Tuberculosis in 2007 in China, were successfully genotyped by large sequence polymorphisms and 15 loci variable number tandem repeats. We found that 2,905(2,905/3,929, 73.9%) cases belonged to Lineage 2, dominated in the east and central regions, 975 cases(975/3,929, 24.8%) were Lineage 4, highly prevailed in the west regions, and 36 and 13 cases were Lineage 3 and Lineage 1, respectively. We also explored the associations between lineages(Lineage 2 vs. Lineage 4) and clinical characteristics by logistic regression. For Lineage 2, the risk factors were Han-ethnicity population and fever. However, for Lineage 4, they were occupation(farmer), and degree of education(non-literate). Fully understanding of the distribution of Mycobacterium tuberculosis lineage and its risk factors would play a critical role in tuberculosis prevention, control, and treatment. | Haixia Chen Li He Chao Cai Jingyi Liu Junnan Jia Liang Ma Hairong Huang Lixia Wang Xumin Ni Jimin Gao Weimin Li | 2018 | Science China(Life Sciences)2018，61，6： | 7 |
| 7 | Characterization of a LAL-type regulator NemR in nemadectin biosynthesis and its application for increasing nemadectin production in Streptomyces cyaneogriseus显示文摘Nemadectin, a macrocyclic lactone antibiotic, is produced by Streptomyces cyaneogriseus ssp. noncyanogenus. A methoxime derivative of nemadectin, moxdectin, has been widely used to control insect and helminth in animal health. Despite the importance of nemadectin, little attention has been paid to the regulation of nemadectin biosynthesis, which has hindered efforts to improve nemadectin production via genetic manipulation of regulatory genes. Here, we characterize the function of nemR, the cluster-situated regulatory gene encoding a LAL-family transcriptional regulator, in the nemadectin biosynthesis gene cluster of S. cyaneogriseus ssp. noncyanogenus NMWT1. NemR is shown to be essential for nemadectin production and found to directly activate the transcription of nemA1-1/A1-2/A2, nemC and nemA4/A3/E/D operons, but indirectly activate that of nemG and nemF. A highly conserved sequence 5′-TGGGGTGKATAGGGGGTA-3′(K=T/G) is verified to be essential for NemR binding.Moreover, four novel targets of NemR, including genes encoding an SsgA-like protein(TU94_12730), a methylmalonyl-CoA mutase(TU94_19950), a thioesterase of oligomycin biosynthesis(TU94_22425) and a MFS family transporter(TU94_24835)are identified. Overexpression of nemR significantly increased nemadectin production by 79.9%, in comparison with NMWT1,suggesting that nemR plays an important role in the nemadectin biosynthesis. | Chuang Li Hairong He Jiabin Wang Hui Liu Haiyan Wang Yajie Zhu Xiangjing Wang Yanyan Zhang Wensheng Xiang | 2019 | Science China(Life Sciences)2019，62，3： | 6 |
| 8 | Research on an Mg–Zn alloy as a degradable biomaterial显示文摘 | Shaoxiang Zhang Xiaonong Zhang Changli Zhao Jianan Li Yang Song Chaoying Xie Hairong Tao Yan Zhang Yaohua He Yao Jiang Yujun Bian | 2009 | Acta Biomaterialia2009，，2： | 5 |
| 9 | Enhancement of red emission by co-dopant Ln^(3+) ions in Eu^(3+) :LaOF nanoparticles显示文摘Fluoride nanoparticles of Ln3+(Ln3+=Pr3+,Nd3+,Sm3+,Gd3+,Tb3+Dy3+,Ho3+,Er3+,Tm3+,Yb3+)/Eu3+:LaOF and Eu3+ :LaOF with rhombohedral crystal structure were prepared by a hydrothermal-sintering method. The red fluorescence emission of Eu3+ ions was found to be enhanced with most of the co-dopant Ln3+ ions. Compared with strong fluorescence emission at 610 nm of Eu3+ :LaOF nanoparticles, the enhancement factors was up to ten times in Ln3+(Ln3+ =Gd3+,Dy3+,Tm3+)/Eu3+ :LaOF co-doped nanoparticles. The results show that the asymmetry of the local environment of Eu3+ ion was reduced by co-doping Ln3+ ion into the nanoparticles, and that energy transfer might occur between Eu3+ and codopant Ln3+ ions, which is suggested as the source of the observed fluorescence enhancement. | FU ZhenXing ZHENG HaiRong HE EnJie GAO Wei LI GuiAn | 2013 | Science China(Physics,Mechanics & Astronomy)2013，56，5： | 3 |
| 10 | Self‐suspended rare‐earth doped up‐conversion luminescent waveguide:propagating and directional radiation显示文摘Near-infrared excited rare-earth(RE)-doped up-conversion(UC)-luminescent materials have attracted enormous attention because of their unique emission properties,such as narrow emission bands,long luminescence lifetimes,and multiple colors.However,current development of RE-doped luminescent material is hindered by weak and narrowband absorption problems and low photon-conversion quantum efficiencies.In addition to conventional approaches to enhance fluorescence intensity,controlling emission directivity to improve detection efficiency has become a promising approach to obtain higher luminescence brightnesses.In this paper,a self-suspended RE-doped UC luminescent waveguide is designed to realize directional emissions.Benefitting from the special morphology of the crown-like NaYF4:Yb3+/Er3+microparticle,the points contact between the waveguide and substrate can be obtained to decrease energy loss.An attractive UC luminescent pattern accompanied by powerful and controllable directional emissions is observed,and the spatial emission angle and intensity distribution are explored and analyzed in detail by introducing Fourier imaging detection and simulation.This work provides a new method for achieving controllable directional fluorescence emissions and obtaining improved detection efficiency by narrowing emission directivity,which has potential applications in 3-dimensional displays and micro-optoelectronic devices,especially when fabricating self-fluorescence micron lasers. | Changjian Zhang Chengyun Zhang Zhenglong Zhang Tao He Xiaohu Mi Ting Kong Zhengkun Fu Hairong Zheng Hongxing Xu | 2020 | Opto-Electronic Advances2020，3，6： | 3 |
| 11 | Numerical Prediction Methods for Clock Deviation Based on Two-Way Satellite Time and Frequency Transfer Data显示文摘三个功能的模特儿,多项式,光谱分析,和修改 AR 当模特儿,基于从双向卫星时间和频率转移导出的数据顺序在恰当、预言的钟偏差被学习并且比较。柔韧的当量被使用,它控制无关的观察的重要影响。一些结论证明柔韧的评价的预言精确比 LS 的好。从弄平的观察计算的预言精确比从采样观察计算了高。作为在钟偏差顺序的明显的时期变化的一个计数,多项式模型的预言的价值是难以置信的。光谱分析模型的预言精确是很低的,但是主要时期能是坚定的。6 小时的推测间隔的预言 RMS 是 1 ns 左右,当修改 AR 模型被使用时。 | GUO Hairong YANG Yuanxi HE Haibo | 2008 | Geo-Spatial Information Science2008，11，2： | 3 |
| 12 | Synthesis of Ag-SiO_2 composite nanospheres and their catalytic activity显示文摘A simple,mild,and time-saving method is employed to synthesize Ag-SiO2 composite nanospheres with Ag nanoparticles uniformly distributed on the surface of SiO2 nanoparticles.The chemical elements and the morphology of Ag-SiO2 composite nanospheres were analyzed with transmission electron microscopy(TEM),X-ray power diffraction(XRD),and X-ray photoelectron spectroscopy(XPS).On the surface of Ag-SiO2 composite nanospheres,silane coupling agent(KH-550)is introduced as an intermediary to connect the surfaces of SiO2 nanospheres and Ag nanoparticles,which is also helpful for avoiding the aggregation of Ag nanoparticles.It is found that Ag-SiO2 composite nanospheres have very good catalytic properties for the reduction of organic dyes,which may have potential application in wastewater treatment. | HAN QingYan LI GuiAn WANG DeXuan HE EnJie DONG Jun GAO Wei LI JunNa LIU TingZhuo ZHANG ZhongYue ZHENG HaiRong | 2014 | Science China Chemistry2014，57，6： | 2 |
| 13 | In vitro degradation, hemolysis and MC3T3-E1 cell adhesion of biodegradable Mg–Zn alloy显示文摘 | Shaoxiang Zhang Jianan Li Yang Song Changli Zhao Xiaonong Zhang Chaoying Xie Yan Zhang Hairong Tao Yaohua He Yao Jiang Yujun Bian | 2009 | Materials Science & Engineering C2009，，6： | 2 |
| 14 | Biocompatibility of magnesium-zinc alloy in biodegradable orthopedicimplants显示文摘 | Daoyun Chen Yaohua He Hairong Tao Yan Zhang Yao Jiang Xiaonong Zhang Shaoxiang Zhang | 2011 | International Journal of Molecular Medicine2011，，3： | 1 |
| 15 | HB-PLS:A statistical method for identifying biological process or pathway regulators by integrating Huber loss and Berhu penalty with partial least squares regression显示文摘Gene expression data features high dimensionality,multicollinearity,and non-Gaussian distribution noise,posing hurdles for identification of true regulatory genes controlling a biological process or pathway.In this study,we integrated the Huber loss function and the Berhu penalty(HB)into partial least squares(PLS)framework to deal with the high dimension and multicollinearity property of gene expression data,and developed a new method called HB-PLS regression to model the relationships between regulatory genes and pathway genes.To solve the Huber-Berhu optimization problem,an accelerated proximal gradient descent algorithm with at least 10 times faster than the general convex optimization solver(CVX),was developed.Application of HB-PLS to recognize pathway regulators of lignin biosynthesis and photosynthesis in Arabidopsis thaliana led to the identification of many known positive pathway regulators that had previously been experimentally validated.As compared to sparse partial least squares(SPLS)regression,an efficient method for variable selection and dimension reduction in handling multicollinearity,HB-PLS has higher efficacy in identifying more positive known regulators,a much higher but slightly less sensitivity/(1-specificity)in ranking the true positive known regulators to the top of the output regulatory gene lists for the two aforementioned pathways.In addition,each method could identify some unique regulators that cannot be identified by the other methods.Our results showed that the overall performance of HB-PLS slightly exceeds that of SPLS but both methods are instrumental for identifying real pathway regulators from high-throughput gene expression data,suggesting that integration of statistics,machine leaning and convex optimization can result in a method with high efficacy and is worth further exploration. | Wenping Deng Kui Zhang Cheng He Sanzhen Liu Hairong Wei | 2021 | Forestry Research2021，1，1： | 1 |
| 16 | Mining and fine-tuning sugar uptake system for titer improvement of milbemycins in Streptomyces bingchenggensis显示文摘Dramatic decrease of sugar uptake is a general phenomenon in Streptomyces at stationary phase,when antibiotics are extensively produced.Milbemycins produced by Streptomyces bingchenggensis are a group of valuable macrolide biopesticides,while the low yield and titer impede their broad applications in agricultural field.Considering that inadequate sugar uptake generally hinders titer improvement of desired products,we mined the underlying sugar uptake systems and fine-tuned their expression in this work.First,we screened the candidates at both genomic and transcriptomic level in S.bingchenggensis.Then,two ATP-binding cassette transporters named TP2 and TP5 were characterized to improve milbemycin titer and yield significantly.Next,the appropriate native temporal promoters were selected and used to tune the expression of TP2 and TP5,resulting in a maximal milbemycin A3/A4 titer increase by 36.9%to 3321 mg/L.Finally,TP2 and TP5 were broadly finetuned in another two macrolide biopesticide producers Streptomyces avermitilis and Streptomyces cyaneogriseus,leading to a maximal titer improvement of 34.1%and 52.6%for avermectin B1a and nemadectin,respectively.This work provides useful transporter tools and corresponding engineering strategy for Streptomyces. | Pinjiao Jin Shanshan Li Yanyan Zhang Liyang Chu Hairong He Zhuoxu Dong Wensheng Xiang | 2020 | Synthetic and Systems Biotechnology2020，5，3： | 1 |
| 17 | Fabrication of Hap/Ni biomedical coatings using an electro-codeposition technique显示文摘 | Liping He Hairong Liu Dachuan Chen | 2002 | Surface and Coatings Technology2002，160，23： | 1 |
| 18 | Potent antifouling compounds produced by marine Streptomyces显示文摘 | Ying Xu Hongping He Stefan Schulz Xin Liu Nobushino Fusetani Hairong Xiong Xiang Xiao Pei-Yuan Qian | 2009 | Bioresource Technology2009，，4： | 1 |
| 19 | Application of metal-organic frameworks,covalent organic frameworks and their derivates for the metal-air batteries显示文摘Metal-organic frameworks(MOFs)and covalent organic frameworks(COFs)as the novel porous materials have the merits of diverse,adjustable functionality,high porosity and surface area,which have great application prospects in the gas storage,separation and catalysis.In addition,their derivates make up for the insufficient of electronic conductivity and chemical stability of MOFs and COFs,and provide a new ideal for accurate control of material structure.Up to now,many efficient electrocatalysts have been designed based on MOFs,COFs and their derivates for O_(2)reduction/evolution reactions(ORR/OER)and CO_(2)reduction/evolution reactions(CO_(2)RR/CO_(2)ER)in the metal-air batteries.In this review,the latest development of MOFs,COFs and their derivates in the metal-air batteries is summarized,and we discuss the structural characteristics of these materials and their corresponding mechanisms of action.By comprehensively reviewing the advantages,challenges and prospects of MOFs and COFs,we hope that the organic framework materials will shed more profound insights into the development of electrocatalysis and energy storage in the future. | Yunyun Xu Hairong Xue Xijuan Li Xiaoli Fan Peng Li Tengfei Zhang Kun Chang Tao Wang Jianping He | 2023 | Nano Research Energy2023，2，2： | 1 |
| 20 | Influence of temperature on hydrolysis acidification of food waste显示文摘 | Manni He Yanbin Sun Dexun Zou Hairong Yuan Baoning Zhu Xiujin Li Yunzhi Pang | | 0，，： | 1 |
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