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| 1 | Progresses on microwave remote sensing of land surface parameters显示文摘Highly accurate observations at various scales on the land surface are urgently needed for the studies of many areas,such as hydrology,meteorology,and agriculture.With the rapid development of remote sensing techniques,remote sensing has had the capacity of monitoring many factors of the Earth's land surface.Especially,the space-borne microwave remote sensing systems have been widely used in the quantitative monitoring of global snow,soil moisture,and vegetation parameters with their all-weather,all-time observation capabilities and their sensitivities to the characteristics of land surface factors.Based on the electromagnetic theories and microwave radiative transfer equations,researchers have achieved great successes in the microwave remote sensing studies for different sensors in recent years.This article has systematically reviewed the progresses on five research areas including microwave theoretical modeling,microwave inversion on soil moisture,snow,vegetation and land surface temperatures.Through the further enrichment of remote sensing datasets and the development of remote sensing theories and inversion techniques,remote sensing including microwave remote sensing will play a more important role in the studies and applications of the Earth systems. | SHI JianCheng DU Yang DU JinYang JIANG LingMei CHAI LinNa MAO KeBiao XU Peng NI WenJian XIONG Chuan LIU Qiang LIU ChenZhou GUO Peng CUI Qian LI YunQing CHEN Jing WANG AnQi LUO HeJia WANG YinHui | 2012 | Science China Earth Sciences2012,55,7: | 24 |
| 2 | Protection of Mice from Lethal Endotoxemia by Chimeric Human BPI-Fcγ1 Gene Delivery显示文摘To evaluate the potentiality of applying gene therapy to endotoxemia in high-risk patients, we investigated the effects of transferring an adeno-associated virus serotype 2 (AAV2)-mediated BPI-Fcγ1 gene on protecting mice from challenge of lethal endotoxin. The chimeric BPI-Fcγ1 gene consists of two parts, one encods functional N-terminus (1 to 199 amino acidic residues) of human BPI, which is a bactericidal/permeability-increasing protein, and the other encodes Fc segment of human immunoglobulin G1(Fcγ1). Our results indicated that the target protein could be expressed and secreted into the serum of the gene-transferred mice. After lethal endotoxin challenge, the levels of endotoxin and TNF-αin the gene-transferred mice were decreased. The survival rate of the BPI-Fcγ1 gene-transferred mice was markedly increased. Our data suggest that AAV2-mediated chimeric BPI-Fcγ1 gene delivery can potentially be used clinically for the protection and treatment of endotoxemia and endotoxic shock in high-risk individuals. | Chen Li Jing Li Zhe Lv Xinghua Guo Qinghua Chen Qingli Kong Yunqing An | 2006 | Cellular & Molecular Immunology2006,3,3: | 7 |
| 3 | Evaporation of liquid fuel droplet at supercritical conditions显示文摘A comprehensive analysis of liquid fuel droplet evaporation at supercritical conditions is performed.The numerical model is based on complete time-dependent conservation equations,with a full account of variable thermophysical properties and vapor-liquid interfacial thermodynamics.And the model employs the Peng-Robinson(PR)equation of state(EOS).As a specific example,problems involving n-heptane droplet in nitrogen gas are investigated.The results indicate that the increase of ambient pressure and temperature results in the increase of surface temperature rise rate and surface regression rate.The transition from subcritical state to supercritical state can occur at the droplet surface when the droplet evaporates in a strongly supercritical environment. | HE Peng LI YunQing ZHAO LiFeng | 2011 | Science China(Technological Sciences)2011,54,2: | 7 |
| 4 | Ficolin A exacerbates severe H1N1 influenza virus infection-induced acute lung immunopathological injury via excessive complement activation显示文摘Severe pandemic influenza A(H1N1)2009 virus(pH1N1)infection causes significant morbidity and mortality.We and other groups have reported that immunopathological damage induced by excessive pulmonary inflammation plays a critical role in the pathogenesis of severe pneumonia and provides novel strategies for the treatment of severe influenza infection[1–3].The complement system plays critical roles in both innate and adaptive immunity by activating the classical,alternative and lectin pathways[4]. | Xu Wu Linlin Bao Ziqi Hu Duoduo Yao Fengdi Li Hui Li Xiaoxue Xu Yunqing An Xi Wang Bin Cao Xulong Zhang | 2021 | Cellular & Molecular Immunology2021,18,9: | 6 |
| 5 | Applied Sequence Stratigraphy in Nonmarine Basin of China显示文摘This paper presents a preliminary summary of the applied sequence stratigraphy in nonmarine basins in China. The geological and geophysical data show that the nonmarine sequences mainly resulted from both allocyclic and autocyclic processes where the most important factors were isolated tectonics and climate. However, the environmental factor should have been crucial. The depositional base level served as the sea level in the marine environment, while the water table, lake level and fluvial equilibrium were profiled in a terrigenous environment. This accommodation varied periodically with the base level, resulting in the formation of a series of depositional sequences in terms of genesis and space. Basically, the base level of the inner continent was not affected by the changes in the relative sea level. But there would have been some relations between the changes in the relative sea level and that in the continental base level during eustacy flooding. However, a small time lag existed between the changes in the marine basin and the inner continent basin, The lake basin is smaller than the marine basin, but its velocity of sediment supply is greater than that of the marine basin. Therefore, the number of nonmarine sequences is greater than that of marine ones in the same period. It is important to recognize the system tracts for the study of high-precision or high-resolution sequence stratigraphy, especially to analyze the low-stand systems tract with its depositional system. The sequence boundary is genetically characterized by subaerial exposure, stratigraphic truncation and subaqueous erosion. The deposition analysis of Zhanhua depression reveals 5 sequence architectures: alluvial-fluvial/lacustrine architecture, transitional architecture formed between haline (mesohaline) lake and fresh lake, marine duration-deep lacustrine architecture, half deep lacustrine-ramp architecture and fluvial-alluvial plain architecture. During the major development of the nonmarine basin, the step-faulting breaks controlled the depositional system. Usually, the low-stand complex fan, prograding wedge and high-stand turbidity fan were close to the third stepping break. In the low-stand period, the sediments went around the incised valleys which then were filled with sand bar near the second stepping break. At the first stepping break the sediments were bypassed step by step or the alluvial fan was deposited with forced regressions in the low-stand time. The low-stand wedge may serve as favorable subtle or complex traps at the basin floor fan. The economic effectiveness is measured with the borehole in Bohai Bay basin. | Wei Kuisheng Li Daliang Zhang Shoupeng Hao Yunqing Department of Energy and Geology , China University of Geosciences , Beijing 100083 Du Zhenchuan Department of Energy Resomces and Geology , Hebei Technology University , Handan 056038 Zong Guoho | 2001 | Journal of China University of Geosciences2001,12,4: | 5 |
| 6 | Effects of spatial distribution of soil parameters on soil moisture retrieval from passive microwave remote sensing显示文摘In this paper,we studied the effect of spatial distribution of soil parameters on passive soil moisture retrieval at pixel scale.First,we evaluated the forward microwave emission model and soil moisture retrieval algorithm accuracy through the observa-tion of field experiments.Then,we used soil parameters in different spatial distribution patterns,including random,normal,and uniform distribution,to determine the different levels of heterogeneity on soil moisture retrieval,in order to seek the rela-tionship between heterogeneity and soil moisture retrieval error.Finally,we conducted a controlled heterogeneity effect ex-periment measurements using a Truck-mounted Multi-frequency Radiometer(TMMR) to validate our simulation results.This work has proved that the soil moisture retrieval algorithm had a high accuracy(RMSE=0.049 cm3 cm 3) and can satisfy the need of this research.The simulation brightness temperatures match well with observations,with RMSE=9.89 K.At passive microwave remote sensing pixel scale,soil parameters with different spatial distribution patterns could have different levels of error on soil moisture estimation.Overall,we found that soil moisture with a random distribution in a satellite pixel scale can cause the largest error,with a normal distribution being the second,and a uniform distribution the least due to the smallest het-erogeneity. | ZHANG Tao ZHANG LiXin JIANG LingMei ZHAO ShaoJie ZHAO TianJie LI YunQing | 2012 | Science China Earth Sciences2012,55,8: | 5 |
| 7 | Fuel Spray Dynamic Characteristics of GDI High Pressure Injection System显示文摘In order to improve the fuel consumption and exhaust emission for gasoline engines,gasoline direct injection(GDI) system is spotlighted to solve these requirements.Thus,many researchers focus on the investigation of spray characteristics and the fuel formation of GDI injector.This paper presents a complete numerical and experimental characterization of transient gasoline spray from a high pressure injection system equipped with a modern single-hole electric controlled injector in a pressurized constant volume vessel.The numerical analysis is carried out in a one-dimensional model of fuel injection system which is developed in the AVL HYDSIM environment.The experimental analyses are implemented through a self-developed injection rate measurement device and spray evolution visualization system.The experimental results of injection rate and spray dynamics are taken to tune and validate the built model.The visualization system synchronize a high speed CMOS camera to obtain the spray structure,moreover,the captured images are taken to validate the injector needle lift process which is simulated in the model.The reliability of the built model is demonstrated by comparing the numerical results with the experimental data.The formed vortex structure at 0.8 ms is effectively disintegrated at 6.2 ms and the spray dynamics become rather chaotic.The fuel flow characteristics within injector nozzle extremely influence the subsequent spray evolution,and therefore this point should be reconsidered when building hybrid breakup GDI spray model.The spray tip speed reach the maximum at 1.18 ms regardless of the operation conditions and this is only determined by the injector itself.Furthermore,an empirical equation for the spray tip penetration is obtained and good agreement with the measured results is reached at a certain extent.This paper provides a methodology for the investigation of spray behavior and fuel distribution of GDI engine design. | LI Bo LI Yunqing WANG Defu | 2012 | Chinese Journal of Mechanical Engineering2012,25,2: | 3 |
| 8 | Protection of Immuno-Compromised Mice from Lethal Infection of Klebsiella pneumonia by rAAV2-BPI23-Fcγ1 Gene Transfer显示文摘In previous research, chimerical BPI23-Fcγ1 gene which consisted of human bactericidal/permeability increasing protein (BPI) gene of encoding the functional N terminus (amino acid residues 1 to 199) of human BPI and Fcγ1 gene of encoding the Fc segment of human immunoglobulin G1 was successfully reconstructed within a recombinant adeno-associated virus serotype 2 (rAAV2) vector as rAAV2-BPI23-Fcγ1. Here, to evaluate the potentiality of applying gene therapy to gram negative bacterial (GNB) infection in high-risk patients, we investigated protection of immuno-compromised mice and immunocompetent mice from challenge with minimal lethal dose (MLD) Klebsiella pneumonia infection after rAAV2-BPI23-Fcγ1 gene transferred. The results showed that the survival rate of rAAV2-BPI23-Fcγ1 transferred immunocompetent mice as well as immuno-compromised mice (40.0% and 44.4%, respectively) were significantly higher than that of corresponding control mice (6.7% and 4.4%, respectively); the bacteria counting, level of endotoxin and proinflammatory cytokines in the rAAV2-BPI23- Fcγ1 transferred immuno-compromised mice were markedly lower than that of rAAV2-EGFP and rAAV2-Null transferred immuno-compromised mice. Our data suggest that rAAV2-BPI23-Fcγ1 gene transferring offered immuno-compromised mice with resistance against GNB infection, so it is quite potential in preventing GNB infection of clinical high-risk patients. | Jing Li Qingli Kong Zhe Lv Yuanzhi Guan Yong Qiu Chen Li Mingjie Sun Zhenlong Liu Yunqing An | 2008 | Cellular & Molecular Immunology2008,5,6: | 2 |
| 9 | Microstructure and Strain Fatigue Dislocation Structure of 7075-RRA Aluminum Alloy显示文摘The microstructure and the strain fatigue dislocation substructure of 7075-RRA (Retrogression and Reaging) aluminum alloy have been studied by using transmission electron microscopy. From these, a competitive mechanism of cyclic microscopic softening/hardening is put forward to explain the relation between macroscopic cyclic stability behavior and microscopic substructure. | Yunqing Li (Department of Planning and Developmet, State Nonferrous Metals Industry Administration, Beijing 100814, China) | 2001 | Rare Metals2001,20,1: | 2 |
| 10 | Multi-class 12-lead ECG automatic diagnosis based on a novel subdomain adaptive deep network显示文摘Arrhythmia is a common type of cardiovascular disease,which has become the leading cause of global deaths.Recently,the automatic 12-lead ECG diagnosis system based on numerous labelled data has attracted increasing attention.However,labelling 12-lead ECG recordings is a complex and time-consuming task for clinicians.And then,the existence of data distribution differences limits the direct cross domain use of the trained model.Enlighted by subdomain adaptation methods,this paper designs a novel subdomain adaptative deep network(SADN)for excavating diagnosis knowledge from source domain datasets.Firstly,the convolutional layer,residual blocks and SE-Residual blocks are utilized for extracting meaningful deep features automatically.Additionally,the feature classifier uses these deep features for obtaining the final diagnosis predictions.Further,designing a novel loss function with local maximum mean discrepancy is utilized for restricting data distribution discrepancy from different datasets.Finally,the Clinical Outcomes in Digital ECG and 1st China Physiological Signal Challenge datasets are utilized for evaluating the superiority of SADN,which presents that SADN enhances algorithm performance on the unlabelled target domain dataset.Further,compared with the existing methods,the proposed network structure acquires better performance with a F1-macro of 89.43%and a F1-macro1 of 87.09%.Besides,among the 4 kinds of ECG abnormalities,the diagnostic effect of the SADN is better than that of cardiology residents.Thus,SADN has promising potential as an auxiliary diagnostic tool for the clinical environment. | JIN YanRui LI ZhiYuan LIU YunQing LIU JinLei QIN Chengjin ZHAO LiQun LIU ChengLiang | 2022 | Science China(Technological Sciences)2022,65,11: | 2 |
| 11 | End-to-End Latency Evaluation of the Sat5G Network Based on Stochastic Network Calculus显示文摘Simultaneous use of heterogeneous radio access technologies to increase the performance of real-time,reliability and capacity is an inherent feature of satellite-5G integrated network(Sat5G).However,there is still a lack of theoretical characterization of whether the network can satisfy the end-to-end transmission performance for latency-sensitive service.To this end,we build a tandem model considering the connection relationship between the various components in Sat5G network architecture,and give an end-to-end latency calculation function based on this model.By introducing stochastic network calculus,we derive the relationship between the end-to-end latency bound and the violation probability considering the traffic characteristics of multimedia.Numerical results demonstrate the impact of different burst states and different service rates on this relationship,which means the higher the burst of arrival traffic and the higher the average rate of arrival traffic,the greater the probability of end-to-end latency violation.The results will provide valuable guidelines for the traffic control and cache management in Sat5G network. | Huaifeng Shi Chengsheng Pan Li Yang Debin Wei Yunqing Shi | 2020 | Computers, Materials & Continua2020,,11: | 2 |
| 12 | OsCBL1 Modulates Lateral Root Elongation in Rice via Affecting Endogenous Indole-3-Acetic Acid Biosynthesis显示文摘Root growth is important for plants to efficiently acquire water and mineral nutrients from soil.Root system architecture(RSA),which is determined mainly by root branching through lateral root formation and root angles,has a significant influence on root growth.Generally,the growth and development of roots are regulated by numerous plant hormones,which respond to external environmental stimulation through com- | Jing Yang Xiaomu Zhang Yunqing Huang Yuqi Feng Yangsheng Li | 2015 | Journal of Genetics and Genomics2015,42,6: | 2 |
| 13 | RFID-enabled real-time PBS monitoring for automobile assembly factory显示文摘 | Gang Huang JinH. Li XiaoD. Yuan Liang Gao Yunqing Rao | 2012 | International Journal of Computer Integrated Manufacturing2012,,1: | 2 |
| 14 | Si nanocrystals-based multilayers for luminescent and photovoltaic device applications显示文摘Low dimensional Si materials have attracted much attention because they can be developed in many kinds of new-generation nano-electronic and optoelectronic devices, among which Si nanocrystals-based multilayered material is one of the most promising candidates and has been extensively studied. By using multilayered structures, the size and distribution of nanocrystals as well as the barrier thickness between two adjacent Si nanocrystal layers can be well controlled, which is beneficial to the device applications. This paper presents an overview of the fabrication and device applications of Si nanocrystals, especially in luminescent and photovoltaic devices. We first introduce the fabrication methods of Si nanocrystals-based multilayers. Then, we systematically review the utilization of Si nanocrystals in luminescent and photovoltaic devices. Finally, some expectations for further development of the Si nanocrystals-based photonic and photovoltaic devices are proposed. | Peng Lu Dongke Li Yunqing Cao Jun Xu Kunji Chen | 2018 | Journal of Semiconductors2018,39,6: | 2 |
| 15 | An integrated manufacturing information system for mass sheet metal cutting显示文摘 | Yunqing Rao Gang Huang Peigen Li | | 0,,: | 1 |
| 16 | A very fast TS/SA algorithm for the job shop scheduling problem显示文摘 | ZHANG Chaoyong LI Peigen RAO Yunqing | 2008 | Computers and Operations Research2008,35,1: | 1 |
| 17 | An integrated manufacturing information system for mass sheet metal cut- ting 显示文摘 | YUNqing Rao Gang Huang Peigen Li | 2007 | Int J Adv Manuf Technol2007,33,: | 1 |
| 18 | Martensitic transformation,ductility,and shape-memory effect of polycrystalline Ni56Mn25-xFexGa19 alloys显示文摘 | Ma Yunqing Xu Lihong Li Yan | 2005 | Z Metallkd2005,96,8: | 1 |
| 19 | Proton transfer of magnolol in ground and excited states显示文摘 | LI Hongmei WANG Yunqing YAN Zhengyu | 2007 | Journal of Photochemistry and Photobiology A: Chemistry2007,186,23: | 1 |
| 20 | Degradation of Residual Formaldehyde in Fabric by Photo-catalysis显示文摘在织物的剩余甲醛(HCHO ) 用 nano-TiO 2 和 nano-ZnO 的复合催化剂帮助的光催化被降级。降级上的几个因素的效果例如创作催化剂,照耀时间,酸碱值价值和 H 2 沉浸的溶液的 CHO 集中被调查。结果显示出那 H 2 沉浸的答案的 CHO 降级了 93% 能在 5 h 照耀,和甲醛的降级比率以后被改进,织物的老化能与 ZnO nanoparticles 的增加和 immersed-fibric 答案的酸碱值价值被避免。有剩余甲醛的织物大约 1 800 γ/g 能高效地被对待与相片催化的降级满足中国标准(GB/2912.1-1998 ) 。 | YAO Yadong GUO Xiangli KANG Yunqing LI Xieji CHEN Aizheng YANG Weizhong YIN Guangfu | 2008 | Journal of Wuhan University of Technology(Materials Science)2008,23,2: | 1 |