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| 1 | Stable classi?cation with limited sample: transferring a 30-m resolution sample set collected in 2015 to mapping 10-m resolution global land cover in 2017显示文摘As the world strives to reduce the impact of population growth, urbanization, agricultural expansion, and climate change on food security, energy and water shortage, resource over-exploration, biodiversity loss, environmental pollution, and ultimately human health, timely and higher resolution land cover information is urgently needed to achieve the sustainable development goals of the United Nations. | Peng Gong Han Liu Meinan Zhang Congcong Li Jie Wang Huabing Huang Nicholas Clinton Luyan Ji Wenyu Li Yuqi Bai Bin Chen Bing Xu Zhiliang Zhu Cui Yuan Hoi Ping Suen Jing Guo Nan Xu Weijia Li Yuanyuan Zhao Jun Yang Chaoqing Yu Xi Wang Haohuan Fu Le Yu Iryna Dronova Fengming Hui Xiao Cheng Xueli Shi Fengjin Xiao Qiufeng Liu Lianchun Song | 2019 | Science Bulletin2019,64,6: | 166 |
| 2 | Qi-Qin Accretionary Belt in Central China Orogen: accretion by trench jam of oceanic plateau and formation of intra-oceanic arc in the Early Paleozoic Qin-Qi-Kun Ocean显示文摘Most orogenic belts have experienced a complex accretionary process with multiple episodes of sea?oor subduction and trench retreat.This accretionary process is important in continenta development and growth[1,2].Three giant orogens extend in China,e.g.,the Central Asian Orogen in the north,the Central China Orogen in the middle and the Himalayan Orogen in the southwest.They are keys for the formation of the Eurasian continent(Fig.1a).The Central China Orogen | Shuguang Song Liming Yang Yuqi Zhang Yaoling Niu Chao Wang Li Su Yanlin Gao | 2017 | Science Bulletin2017,62,15: | 28 |
| 3 | The first all-season sample set for mapping global land cover with Landsat-8 data显示文摘We report the world's first all-season training and validation sample sets for global land cover classification with Landsat-8 data.Prior to this,such samples were only available at a single date primarily from the growing season.It is unknown how much limitation such a single-date sample has to mapping global land cover in other seasons of the year.To answer this question,we selected available Landsat-8 images from four seasons and collected training and validation samples from them.We compared the performances of training samples in different seasons using Random Forest algorithm.We found that the use of training samples from any individual season would result in the best overall classification accuracy when validated by samples in the same season.The global overall accuracy from combined best seasonal results was 67.2% when classifying the 11 Level-1 classes in the Finer Resolution Observation and Monitoring of Global Land Cover(FROM-GLC) classification system.The use of training samples from all seasons(named all-season training sample set hereafter) produced an overall accuracy of 67.0%.We also tested classification within 10° latitude 60° longitude zones using all-season training subsample within each zone and obtained an overall accuracy of 70.2%.This indicates that properly grouped subsamples in space can help improve classification accuracies.All the results in this study seem to suggest that it is possible to use an all-season training sample set to reach global optimality with universal applicability in classifying images acquired at any time of a year for global land cover mapping. | Congcong Li Peng Gong Jie Wang Zhiliang Zhu Gregory S. Biging Cui Yuan Tengyun Hu Haiying Zhang Qi Wang Xuecao Li Xiaoxuan Liu Yidi Xu Jing Guo Caixia Liu Kwame O. Hackman Meinan Zhang Yuqi Cheng Le Yu Jun Yang Huabing Huang Nicholas Clinton | 2017 | Science Bulletin2017,62,7: | 21 |
| 4 | Identification of mecciRNAs and their roles in the mitochondrial entry of proteins显示文摘Mammalian mitochondria have small genomes encoding very limited numbers of proteins.Over one thousand proteins and noncoding RNAs encoded by the nuclear genome must be imported from the cytosol into the mitochondria.Here,we report the identification of hundreds of circular RNAs(mecciRNAs)encoded by the mitochondrial genome.We provide both in vitro and in vivo evidence to show that mecciRNAs facilitate the mitochondrial entry of nuclear-encoded proteins by serving as molecular chaperones in the folding of imported proteins.Known components involved in mitochondrial protein and RNA importation,such as TOM40 and PNPASE,interact with mecciRNAs and regulate protein entry.The expression of mecciRNAs is regulated,and these transcripts are critical for the adaption of mitochondria to physiological conditions and diseases such as stresses and cancers by modulating mitochondrial protein importation.mecciRNAs and their associated physiological roles add categories and functions to the known eukaryotic circular RNAs and shed novel light on the communication between mitochondria and the nucleus. | Xu Liu Xiaolin Wang Jingxin Li Shanshan Hu Yuqi Deng Hao Yin Xichen Bao Qiangfeng Cliff Zhang Geng Wang Baolong Wang Qinghua Shi Ge Shan | 2020 | Science China(Life Sciences)2020,63,10: | 15 |
| 5 | Chinese progress in geomorphometry显示文摘Geomorphometry,the science of digital terrain analysis(DTA),is an important focus of research in both geomorphology and geographical information science(GIS).Given that 70% of China is mountainous,geomorphological research is popular among Chinese scholars,and the development of GIS over the last 30 years has led to significant advances in geomorphometric research.In this paper,we review Chinese progress in geomorphometry based on the published literature.There are three major areas of progress:digital terrain modelling methods,DTA methods,and applications of digital terrain models(DTMs).First,traditional vector-and raster-based terrain modelling methods,including the assessment of uncertainty,have received widespread attention.New terrain modelling methods such as unified raster and vector,high-fidelity,and real-time dynamic geographical scene modelling have also attracted research attention and are now a major focus of digital terrain modelling research.Second,in addition to the popular DTA methods based on topographical derivatives,geomorphological features,and hydrological factors extracted from DTMs,DTA methods have been extended to include analyses of the structure of underlying strata,ocean surface features and even socioeconomic spatial structures.Third,DTMs have been applied to fields including global climate change,analysis of various typical regions,lunar surface and other related fields.Clearly,Chinese scholars have made significant progress in geomorphometry.Chinese scholars have had the greatest international impact in areas including high-fidelity digital terrain modelling and DTM-based regional geomorphological analysis,particularly in the Loess Plateau and the Tibetan Plateau regions. | LV Guonian XIONG Liyang CHEN Min TANG Guoan SHENG Yehua LIU Xuejun SONG Zhiyao LU Yuqi YU Zhaoyuan ZHANG Ka WANG Meizhen | 2017 | Journal of Geographical Sciences2017,27,11: | 14 |
| 6 | Biodegradable mineralized collagen plug for the reconstruction of craniotomy burr‐holes:A report of three cases显示文摘Objectives: In this case report, we describe the design, fabrication and clinical outcomes of a novel bioresorbable, mineralized collagen burr‐hole plug for the reconstruction of craniotomy burr‐holes. Methods: Mineralized collagen burr‐hole plugs were fabricated via a biomimetic mineralization process. The biomimetic mineralized collagen has a similar chemical composition and microstructure to natural bone tissue, thereby possessing good biocompatibility and osteoconductivity. The mineralized collagen burr‐hole plugs were implanted into three patients, and clinical outcomes were evaluated at one‐year follow‐ups. Results: All bone defects healed very well using the mineralized collagen burr‐hole plugs, and there were no adverse reactions at the surgical sites. Conclusions: The clinical outcomes indicated that the mineralized collagen was effective for reconstructing burr‐holes in the skull after craniotomy. | Zhiye Qiu Yuqi Zhang Ziqiang Zhang Tianxi Song Fuzhai Cui | 2015 | Translational Neuroscience and Clinics2015,1,1: | 13 |
| 7 | Outline of Uranium Resources Characteristics and Metallogenetic Regularity in China显示文摘Uranium,as one of twenty-six kinds of important minerals in China,is strategic resource and energy mineral,which has been thoroughly investigated in the project of National Potential Evaluation of Uranium Resource.During the implementation of this project,the authors summarized the metallogenic regularity of uranium resource in China systematically,through the researches of geological characteristics of uranium resource,uranium deposits type(genetic and prediction type),temporal and spatial distribution,and metallogenic series.Based on the investigation of present situation and progress in uranium exploration,this paper proposes the uranium deposits in China should be divided into 4 classes,9 types,21 subtypes in genetic,and 50 types in prediction;suggests to divide China into 29 uranium metallogenic belts and 20 uranium prospective area,and constructs 20uranium-polymetallic metallogenic series,through summarizing temporal and spatial distribution characteristics and metallogenic regularity of uranium deposits in China.The above research is beneficial to the comprehensive understanding of regional uranium metallogenic regularity,and will direct the uranium exploration in the future. | CAI Yuqi ZHANG Jindai LI Ziying GUO Qingyin SONG Jiye FAN Honghai LIU Wusheng QI Fucheng ZHANG Minglin | 2015 | Acta Geologica Sinica(English Edition)2015,89,3: | 11 |
| 8 | Separation of light hydrocarbons with ionic liquids: A review显示文摘Light hydrocarbons(C1–C4) are fundamental raw materials in the petroleum and chemical industry. Separation and purification of structurally similar paraffin/olefin/alkyne mixtures are important for the production of highpurity or even polymer-grade light hydrocarbons. However, traditional methods such as cryogenic distillation and solvent absorption are energy-intensive and environmentally unfriendly processes. Ionic liquids(ILs) as a new alternative to organic solvents have been proposed as promising green media for light hydrocarbon separation due to their unique tunable structures and physicochemical properties resulting from the variations of the cations and anions such as low volatility, high thermal stability, large liquidus range, good miscibility with light hydrocarbons, excellent molecular recognition ability and adjustable hydrophylicity/hydrophobicity. In this review, the recent progresses on the light hydrocarbon separation using ILs are summarized, and some parameters of ILs that influence the separation performance are discussed. | Yuqi Huang Yuanbin Zhang Huabin Xing | 2019 | Chinese Journal of Chemical Engineering2019,27,6: | 11 |
| 9 | Electrospun Nanofibrous Materials for Wound Healing显示文摘Wound dressing materials which are capable of meeting the demands of accelerating wound closure and promoting wound healing process have being highly desired.Electrospun nanofibrous materials show great application potentials for wound healing owing to relatively large surface area,better mimicry of native extracellular matrix,adjustable waterproofness and breathability,and programmable drug delivery process.In this review article,we begin with a discussion of wound healing process and current commercial wound dressing materials.Then,we emphasize on electrospun nanofibrous materials for wound dressing,covering the efforts for controlling fiber alignment and morphology,constructing 3D scaffolds,developing waterproof-breathable membrane,governing drug delivery performance,and regulating stem cell behavior.Finally,we finish with challenges and future prospects of electrospun nanofibrous materials for wound dressings. | Yuping Dong Yuqi Zheng Keyan Zhang Yueming Yao Lihuan Wang Xiaoran Li Jianyong Yu Bin Ding | 2020 | Advanced Fiber Materials2020,2,4: | 10 |
| 10 | Regional accessibility of land traffic network in the Yangtze River Delta显示文摘在一个给定的区域,任何点的可接近性应该是综合地内部、外部的可接近性的评估。用 MapX 部件和 Delphi,作者介绍一个信息系统根据最短的旅行时间计算并且分析地区性的可接近性,这样产生传播图的一个标记。基于陆地交通网络,这份报纸估计礼品和未来在长江三角洲的十六个主要城市的地区性的可接近性。结果证明长江三角洲的地区性的可接近性作为它的核心与上海介绍一把扇子。二个很可存取的城市是的顶上海和 Jiaxing,和底部二是 Taizhou (浙江省) 和 Nantong。与 Sutong 桥牌, Hangzhouwan 桥和 Zhoushan 桥牌的构造,所有城市的地区性的内部可接近性将被改进。特别为 Shaoxing, Ningbo 和 Taizhou (江苏省) ,地区性的内部可接近性将到一个小时被减少,并且另外的城市将平均到大约 25 分钟被弄短。作为在 Nantong 的 Yangkou 港口的构造,在江苏省的港口城市的地区性的外部可接近性将到大约一个小时被加快。 | ZHANG Li LU Yuqi | 2007 | Journal of Geographical Sciences2007,17,3: | 9 |
| 11 | Detumbling strategy based on friction control of dual-arm space robot for capturing tumbling target显示文摘The rotational motion of a tumbling target brings great challenges to space robot on successfully capturing the tumbling target.Therefore,it is necessary to reduce the target's rotation to a rate at which capture can be accomplished by the space robot.In this paper,a detumbling strategy based on friction control of dual-arm space robot for capturing tumbling target is proposed.This strategy can reduce the target's rotational velocity while maintaining base attitude stability through the establishment of the rotation attenuation controller and base attitude adjustment controller.The rotation attenuation controller adopts the multi-space hybrid impedance control method to control the friction precisely.The base attitude adjustment controller applies the dual-arm extended Jacobian matrix to stabilize the base attitude.The main contributions of this paper are as follows:(1)The compliant control method is adopted to achieve a precise friction control,which can reduce the target angular velocity steadily;(2)The dual-arm extended Jacobian matrix is applied to stabilize the base attitude without affecting the target capture task;(3)The detumbling strategy of dualarm space robot is designed considering base attitude stabilization,realizing coordinated planning of the base attitude and the arms.The strategy is verified by a dual-arm space robot with two 7-DOF(degrees of freedom)arms.Simulation results show that,target with a rotation velocity of 20(°)/s can be effectively controlled to stop within 30 s,and the final deflection of the base attitude is less than 0.15°without affecting the target capture task,verifying the correctness and effectiveness of the strategy.Except to the tumbling target capture task,the control strategy can also be applied to other typical on-orbit operation tasks such as space debris removal and spacecraft maintenance. | Gang CHEN Yuqi WANG Yifan WANG Ji LIANG Long ZHANG Guangtang PAN | 2020 | Chinese Journal of Aeronautics2020,33,3: | 9 |
| 12 | Genome of Plant Maca (Lepidium meyenil) Illuminates Genomic Basis for High-Altitude Adaptation in the Central Andes显示文摘Maca (Lepidium meyenii Walp, 2n = 8x = 64 ) ,属于 Brassicaceae 家庭,经济植物在秘鲁(4000-4500 m ) 在中央安第斯山脉岭被栽培。认为快速中央安第斯山脉高举发生 5-10 百万年以前(妈) ,一个进化问题关于象 maca 那样的植物怎么在一个短地质的时期以内获得高高度的改编产生。这里,我们报导 maca 的高质量的染色体集会,在里面它二仔细 spaced maca 特定的整个染色体的复制(WGD;6.7 妈) 被识别。在 maca 和密切相关的 Brassicaceae 种类之间的比较 genomic 分析揭示了经由 WGD 涉及不能生活的压力反应,荷尔蒙发信号小径,和第二等的代谢物生合成的 maca 基因和基因家庭的扩大。保留和许多复制基因的随后的功能的分叉可以说明词法、生理的变化(即,小叶形状和自我富饶) 在在高高度的环境的 maca。另外,一些复制 maca 基因在词法改编与功能被识别(即,叶卷应答) 并且不能生活的压力反应(即, GLYCINE 富有的 RNA 有约束力的蛋白质和 DNA-DAMAGE-REPAIR/TOLERATION 2 ) 在积极选择下面。一起, maca 染色体提供有用信息在安第斯山脉在植物的高高度的改编理解 WGD 的重要角色。 | Jing Zhang Yang Tian Liang Yan GuanghuiZhang Xiao Wang Yan Zeng Jiajin Zhang Xiao Ma Yuntao Tan Ni Long Yangzi Wang Yujin Ma Yuqi He Yu Xue Shumei Hao Shengchao Yang Wen Wang Liangsheng Zhang Yang Dong Wei Chen Jun Sheng | 2016 | Molecular Plant2016,9,7: | 9 |
| 13 | Twa1/Gid8 is a β-catenin nuclear retention factor in Wnt signaling and colorectal tumorigenesis显示文摘 | Yi Lu Shanshan Xie Wen Zhang Cheng Zhang Cheng Gao Qiang Sun Yuqi Cai Zhangqi Xu Min Xiao Yanjun Xu Xiao Huang Ximei Wu Wei Liu Fudi Wang Yibin Kang Tianhua Zhou | 2017 | Cell Research2017,27,12: | 9 |
| 14 | Determination of rare earth elements in plant protoplasts by MAA显示文摘A preliminary study on the speciation of rare earth elements in plant cells has been carried out by molecular activation analysis (MAA). Mesophyll protoplasts of Brassica napus were isolated by enzymatic digestion. After being washed with isosmotic solution containing EDTA for several times, the protoplasts were purified by gradient centrifugation. Then the concentration of rare earth elements (REEs) in the protoplasts was determined by neutron activation analysis. The result shows that REEs can enter the cells of the plant. | ZHANG Zhiyong WANG Yuqi SUN Jingxin LI Fuliang CHAI Zhifang XU Lei LI Xin CAO Guoyin | 2000 | Chinese Science Bulletin2000,45,16: | 8 |
| 15 | Diamond Raman laser:a promising high-beam-quality and low-thermal-effect laser显示文摘Stimulated Raman-scattering-based lasers provide an effective way to achieve wavelength conversion.However,thermally induced beam degradation is a notorious obstacle to power scaling and it also limits the applicable range where high output beam quality is needed.Considerable research efforts have been devoted to developing Raman materials,with diamond being a promising candidate to acquire wavelength-versatile,high-power,and high-quality output beam owing to its excellent thermal properties,high Raman gain coefficient,and wide transmission range.The diamond Raman resonator is usually designed as an external-cavity pumped structure,which can easily eliminate the negative thermal effects of intracavity laser crystals.Diamond Raman converters also provide an approach to improve the beam quality owing to the Raman cleanup effect.This review outlines the research status of diamond Raman lasers,including beam quality optimization,Raman conversion,thermal effects,and prospects for future development directions. | Yulan Li Jie Ding Zhenxu Bai Xuezong Yang Yuqi Li Jingling Tang Yu Zhang Yaoyao Qi Yulei Wang Zhiwei Lu | 2021 | High Power Laser Science and Engineering2021,9,3: | 7 |
| 16 | Glucose-responsive oral insulin delivery for postprandial glycemic regulation显示文摘Controlling postprandial glucose levels for diabetic patients is critical to achieve the tight glycemic control that decreases the risk for developing long-term micro- and macrovascular complications.Herein,we report a glucose-responsive oral insulin delivery system based on Fc receptor (FcRn)-targeted liposomes with glucose-sensitive hyaluronic acid (HA) shell for postprandial glycemic regulation.After oral administration,the HA shell can quickly detach in the presence of increasing intestinal glucose concentration due to the competitive binding of glucose with the phenylboronic acid groups conjugated with HA.The exposed Fc groups on the surface of liposomes then facilitate enhanced intestinal absorption in an FcRn-mediated transport pathway.In vivo studies on chemically-induced type 1 diabetic mice show this oral glucose-responsive delivery approach can effectively reduce postprandial blood glucose excursions.This work is the first demonstration of an oral insulin delivery system directly triggered by increasing postprandial glucose concentrations in the intestine to provide an on-demand insulin release with ease of administration. | Jicheng Yu Yuqi Zhang Jinqiang Wang Di Wen Anna R. Kahkoska John B. Buse Zhen Gu | 2019 | Nano Research2019,12,7: | 6 |
| 17 | Development of an automatic calibration device for high-accuracy low temperature thermometers显示文摘Based on the analysis and investigation of calibration systems for high-accuracy low temperature thermometers,a new facility for automatic calibration of high-accuracy low temperature thermometers was developed.Continuous calibration for multiple points can be made automatically with this device.According to the thermophysical characteristics of the constant-temperature block in this device,segmented Fuzzy-PID (proportional-integral-differential) algorithm was applied.The experimental results showed that the temperature fluctuation was smaller than ±0.005 K in 30 min.Therefore,this new device can fully meet the calibration requirement of high-precision low temperature thermometers. | CHEN GuangMing,GAO Xu,ZHANG ShaoZhi,CHEN Qi,TANG LiMing & LAN YuQi Institute of Refrigeration and Cryogenics,Zhejiang University,Hangzhou 310027,China | 2010 | Science China(Technological Sciences)2010,53,9: | 6 |
| 18 | Synthesis of amino-silane modified magnetic silica adsorbents and application for adsorption of flavonoids from Glycyrrhiza uralensis Fisch显示文摘Magnetic separation technology was applied in the separation of flavonoids from the licorice root in this work. Licorice flavonoids (LF) displayed a remarkable array of biological and pharmacological activities. The magnetic adsorbents with functional -NH2 groups were synthesized by immobilization of amino-silane on the surface of the magnetic silica supports, which were prepared by co-precipitation method. The adsorption and desorption characteristics of the magnetic adsorbents for the separation of LF have been evaluated. The purity of an enriched extract with this method was 16.7% while the crude extract only had about 6.8% purity. Therefore, it can be concluded that these kinds of magnetic adsorbents have selectivity to the flavonoids to some extent. The affinity selectivity of the adsorbents is based on the formation of hydrogen bonding between the -NH2 on the magnetic adsorbents and -OH,-CO on the flavonoids. | ZHANG Bo XING JianMin LANG YuQi LIU HuiZhou | 2008 | Science China Chemistry2008,51,2: | 5 |
| 19 | Dexamethasone-loaded ROS-responsive poly(thioketal)nanoparticles suppress inflammation and oxidative stress of acute lung injury显示文摘Acute lung injury(ALI)is associated with excessive inflammatory response,leading to acute respiratory distress syndrome(ARDS)without timely treatment.A fewer effective drugs are available currently to treat the ALI/ARDS.Herein,a therapeutic nanoplatform with reactive oxygen species(ROS)-responsiveness was developed for the regulation of inflammation.Dexamethasone acetate(Dex)was encapsulated into poly(thioketal)polymers to form polymeric nanoparticles(NPs)(PTKNPs@Dex).The NPs were composed of poly(1,4-phenyleneacetonedimethylene thioketal)(PPADT)and polythioketal urethane(PTKU),in which the thioketal bonds could be cleaved by the high level of ROS at the ALI site.The PTKNPs@Dex could accumulate in the pulmonary inflammatory sites and release the encapsulated payloads rapidly,leading to the decreased ROS level,less generation of pro-inflammatory cytokines,and reduced lung injury and mortality of mice.RNA sequencing(RNA-seq)analysis showed that the therapeutic efficacy of the NPs was associated with the modulation of many immune and inflammation-linked pathways.These findings provide a newly developed nanoplatform for the efficient treatment of ALI/ARDS. | Zihe Zhai Wei Ouyang Yuejun Yao Yuqi Zhang Haolan Zhang Feng Xu Changyou Gao | 2022 | Bioactive Materials2022,7,8: | 5 |
| 20 | Skull repair materials applied in cranioplasty: History and progress显示文摘The skull provides protection and mechanical support, and acts as a container for the brain and its accessory organs. Some defects in the skull can fatally threaten human life.Many efforts have been taken to repair defects in the skull, among which cranioplasty is the most prominent technique. To repair the injury, numerous natural and artificial materials have been adopted by neurosurgeons. Many cranioprostheses have been tried in the past decades, from autoplast to bioceramics. Neurosurgeons have been evaluating their advantages and shortages through clinical practice. Among those prostheses, surgeons gradually prefer bionic ones due to their marvelous osteoconductivity,osteoinductivity, biocompatibility, and biodegradability. Autogeneic bone has been widely recognized as the 'gold standard' for renovating large-sized bone defects. However, the access to this technique is restricted by limited availability and complications associated with its use. Many metal and polymeric materials with mechanical characteristics analogous to natural bones were consequently applied to cranioplasty. But most of them were unsatisfactory concerning osteoconductiion and biodegradability owe to their intrinsic properties. With the microstructures almost identical to natural bones, mineralized collagen has biological performance nearly identical to autogeneic bone, such as osteoconduction. Implants made of mineralized collagen can integrate themselves into the newly formed bones through a process called 'creeping substitution'. In this review, the authors retrospect the evolution of skull repair material applied in cranioplasty. The ultimate skull repair material should have microstructure and bioactive qualities that enable osteogenesis induction and intramembranous ossification. | Qingsheng Yu Lin Chen Zhiye Qiu Yuqi Zhang Tianxi Song Fuzhai Cui | 2017 | Translational Neuroscience and Clinics2017,3,1: | 4 |