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| 1 | Characteristics analysis of a novel centralized-driving flip-flow screen显示文摘During screening operation, blinding or clogging of screen perforations generally occurs to reduce the sieving capacity and efficiency. Recently, the flip-flow screening has been widely recognized as a feasible method to deal with the problem. In this paper, a novel centralized-driving flip-flow screen(CFS) was developed for the separation of fine and moist coal, and the key structures, namely, a centralized-driving mechanism and a quasi-circle beam mounted with the mat were designed for high reliability and stability. By means of a test on an experimental prototype, the effect of some factors, i.e., initial stretch and hardness of the polyurethane panel, respectively, and the rotation speed of the driving motor on the kinematic characteristic of the screen surface was investigated. Results show that without an initial stretch, the sieve mat generates the largest vibratory amplitude while the slacker the sieve mat initially is, the smaller amplitude it will accomplish. And an increase in the rotation speed could cause a rise in the vibratory amplitude. Unlike the two factors, the hardness does not have a definite effect on the kinematic performance, on which a further study is required. Finally, screening processing on a laboratory prototype was conducted to draw the conclusion that the developed CFS also has a high sieving efficiency for the fine and moist coal. | Peng Liping Li Fengming Dong Hailin Liu Chusheng Zhao Yuemin Duan Chenlong | 2014 | International Journal of Mining Science and Technology2014,24,2: | 9 |
| 2 | Characteristics of pressure fluctuations and fine coal preparation in gas-vibro fluidized bed显示文摘To improve the separation efficiency of air dense medium fluidized beds for dry coal preparation,a gasvibro fluidized bed has been proposed in which magnetic powder is used as the heavy medium.Pressure fluctuations in the gas-vibro fluidized bed were investigated using time-and frequency-domain analysis methods.The relationship between pressure fluctuations,bubble behavior,and separation efficiency was established.The low amplitude of the standard deviation,the power spectral density(PSD),the incoherent-output PSD,and the high amplitude of the coherent-output PSD,which corresponds to the bubble behavior in the bed,were improved for coal preparation.The coal ash content was reduced from 42.55% to 16.54% by using the gas-vibro fluidized bed. | Liang Dong Yuemin Zhao Liping Peng Jie Zhao Zhenfu Luo Qingxia Liu Chenlong Duan | 2015 | Particuology2015,13,4: | 4 |
| 3 | Triple-frequency carrier ambiguity resolution for Beidou navigation satellite system显示文摘 | Weiming Tang Chenlong Deng Chuang Shi Jingnan Liu | 2014 | GPS Solutions2014,,3: | 1 |
| 4 | Reliable Single-epoch Ambiguity Resolution for Short Baselines Using Combined GPS/BeiDou System显示文摘 | DENG Chenlong TANG Weiming LIU Jingnan | 2014 | GPS Solutions2014,18,3: | 1 |
| 5 | Characteristics analysis of a novel centralized-driving flip-flow screen显示文摘 | Liping Peng Fengming Li Hailin Dong Chusheng Liu Yuemin Zhao Chenlong Duan | 2013 | International Journal of Mining Science and Technology2013,,: | 1 |
| 6 | 基于MFD及实时路况的城市道路机动车排放计算方法显示文摘本文提出了基于交通流宏观基本图(MFD)以及实时路况数据的城市道路机动车排放计算方法,并以环境保护部发布的指导方法为参照,对所述方法进行了对比验证。以2015年3月北京市五环路高速,国道京福路,省道京周路的氮氧化物排放为例,两种方法计算结果平均偏差分别为?27.7%,?12.9%,?12.0%。因此,基于MFD及实时路况数据对交通流量及机动车排放的估算,可以较好地反映道路机动车的运行情况及排放特征,在构建应用于街区尺度模型的排放清单,城市区域道路机动车排放的时空分布特征等方面具有非常好的应用潜力。 | WANG Kun TONG Yali CAO Tianhui WANG Chenlong WANG Renjie GAO Jiajia LIU Yuan | 2020 | Atmospheric and Oceanic Science Letters2020,13,2: | 1 |
| 7 | Tetravalent edge-transitive graphs of order p^2q显示文摘A graph is called edge-transitive if its full automorphism group acts transitively on its edge set.In this paper,by using classification of finite simple groups,we classify tetravalent edge-transitive graphs of order p2q with p,q distinct odd primes.The result generalizes certain previous results.In particular,it shows that such graphs are normal Cayley graphs with only a few exceptions of small orders. | PAN JiangMin LIU Yin HUANG ZhaoHong LIU ChenLong | 2014 | Science China Mathematics2014,57,2: | 1 |
| 8 | Impacts of HIV infection and HAART use on quality of life 显示文摘 | Chenlong Liu David Ostrow Roger Detels | 2006 | Quality of Life Reaseareh2006,15,: | 1 |
| 9 | ReliableSingle-epoch Ambiguity Resolution for Short BaselinesUsing Combined GPS/BeiDou System 显示文摘 | Chenlong Deng Weiming Tang Jingnan Liu | 2014 | GPS Solut2014,,18: | 1 |
| 10 | A multiobjec- tive evolutionary algorithm based on similarity for community detection from signed social networks显示文摘 | LIU Chenlong LIU Jing JIANG Zhongzhou | 2014 | IEEE Transactions on Cybernetics2014,44,12: | 1 |
| 11 | In-situ and quantitative analysis of aged silicone rubber materials with laser-induced breakdown spectroscopy显示文摘Due to their weak weather ability,the ageing process of organic silicone rubber composites remarkably influences the service performance of composite insulators and bushings,especially in high-voltage transmission lines.In this study,laser-induced breakdown spectroscopy(LIBS)was used for analysing ageing composite insulator sheds for potential on-site application.A spectrum was recorded after each laser pulse and the element composition of ablated materials with different depth was observed.A calibration curve that revealed linear relationship between C,Si,Al spectrum line intensity and corresponding element concentration was established with the result of X-ray photoelectron spectroscopy test.Regularly line intensities of C,Si and Al changed dramatically from the surface to the bulk layer.Given the number of laser pulses with varying element concentrations,as well as the linear relationship described above,the depth of ageing layer could be calculated immediately.Also,the result was verified by secondary ion mass spectrometry and scanning electron microscope.LIBS method can be a promising and efficient technique to assess the ageing state of composite materials on site. | Wang Xilin Hong Xiao Chen Ping Zhao Chenlong Jia Zhidong Wang Liming Lv Qishen Huang Ronghui Liu Shungui | 2018 | High Voltage2018,3,2: | 1 |
| 12 | Adaptive wavelet thresholding based ultrasonic signal denoising显示文摘 | LIU Shoushan YANG Chenlong | 2007 | Journal of Zhejiang University: Engineering Science2007,41,9: | 1 |
| 13 | Reliable single-epoch ambiguity resolution for short baselines using combined GPS/BeiDou system 显示文摘 | DENG Chenlong TANG Weiming LIU Jingnan | 2013 | GPS Solution2013,17,2: | 1 |
| 14 | Crosstalk between PC 12 cells and endothelial cells in an artificial neurovascular niche constructed by a dual-functionalized selfassembling peptide nanofiber hydrogel显示文摘The coordination between neurogenesis and angiogenesis plays an important role in nerve tissue development and regeneration.Recently,using bioactive materials to drive neurogenic and angiogenic responses has gained increasing attention.Understanding the neurovascular link between regulatory cues offers valuable insight into the mechanisms underlying nerve regeneration and the design of new bioactive materials.In this study,we utilized a dual-functionalized peptide nanofiber hydrogel presenting the brain-derived neurotrophic factor and vascular endothelial growth factor mimetic peptides RGIDKRHWNSQ(RGI)and KLTWQELYQLKYKGI(KLT)to construct an artificial neurovascular microenvironment.The dual-functionalized peptide nanofiber hydrogel enhanced the neurite outgrowth of pheochromocytoma(PC12)cells and tube-like structures formation of human umbilical vein endothelial cells(HUVECs)in vitro,and promoted rapid lesion infiltration of neural and vascular cells in a rat brain injury model.Using indirect co-culture models,we found that the dual-functionalized peptide hydrogel effectively mediated neurovascular crosstalk by regulating secretion of paracrine factors from PC12 cells and HUVECs.When the two cells types were directly co-cultured on the dua卜functionalized peptide hydrogel,the efficiency of cell-cell communication was enhanced,which further accelerated the differentiation and maturation of PC12 cells with an increased number of pseudopodia and spread morphology,and HUVECs tube-like structure formation.In summary,the dual-functionalized peptide nanofiber hydrogel successfully formed an artificial neurovascular niche to directly regulate the behaviors of neural and vascular cells and promote their neurovascular crosstalk through paracrine signaling and direct cell-cell contact. | Zhe Zhang Yi Chai He Zhao Shuhui Yang Wei Liu Zihui Yang Weilong Ye Chenlong Wang Xiaohan Gao Xiangdong Kong Xiaodan Sun Lingyun Zhao Tuoyu Chen Yuqi Zhang Jiaju Lu Xiumei Wang | 2022 | Nano Research2022,15,2: | 0 |
| 15 | Organocatalytic dynamic kinetic resolution of N-arylindole lactams:atroposelective construction of axially chiral amino acids bearing a C–N chiral axis显示文摘Organocatalytic dynamic kinetic resolution of configurationally labile cyclic molecules represents one of the most efficient methods for the atroposelective construction of axially chiral molecules bearing a tetra-ortho-substituted chiral axis.Notably,this privileged strategy is limited to constructing a C–C chiral axis.Herein,organocatalytic dynamic kinetic resolution of configurationally labile N-arylindole lactams has been successfully achieved at the first time,allowing for access to a structurally diverse set of axially chiral N-arylindole amino esters with a tetra-ortho-substituted C–N chiral axis in excellent yields and atroposelectivities.In addition to the N-arylindole skeleton,N-aryl thieno[3,2-b]pyrrole,furo[3,2-b]pyrrole,and pyrrolo[2,3-b]pyridine skeletons are also compatible with this transformation.This transition-metal-free facile strategy features a broad substrate scope,mild reaction conditions,easy scale-up and excellent atom economy.Several potentially valuable molecules,such as axially chiral peptides,were efficiently generated from the resulting configurationally stable axially-chiral N-arylindole amino esters,demonstrating the power of this strategy. | Xianfang Hong Jingcheng Guo Jinhua Liu Wei Cao Chenlong Wei Ye Zhang Xiaoxiang Zhang Zhenqian Fu | 2022 | Science China Chemistry2022,65,5: | 0 |
| 16 | Hard nanocrystalline gold materials prepared via high-pressure phase transformation显示文摘As one of the important materials,nanocrystalline Au(n-Au)has gained numerous interests in recent decades owing to its unique properties and promising applications.However,most of the current n-Au thin films are supported on substrates,limiting the study on their mechanical properties and applications.Therefore,it is urgently desired to develop a new strategy to prepare nAu materials with superior mechanical strength and hardness.Here,a hard n-Au material with an average grain size of~40 nm is prepared by cold-forging of the unique Au nanoribbons(NRBs)with unconventional 4H phase under high pressure.Systematic characterizations reveal the phase transformation from 4H to face-centered cubic(fcc)phase during the cold compression.Impressively,the compressive yield strength and Vickers hardness(HV)of the prepared n-Au material reach~140.2 MPa and~1.0 GPa,which are 4.2 and 2.2 times of the microcrystalline Au foil,respectively.This work demonstrates that the combination of high-pressure cold-forging and the in-situ 4H-to-fcc phase transformation can effectively inhibit the grain growth in the obtained n-Au materials,leading to the formation of novel hard n-Au materials.Our strategy opens up a new avenue for the preparation of nanocrystalline metals with superior mechanical property. | Chenlong Xie Wenxin Niu Penghui Li Yiyao Ge Jiawei Liu Zhanxi Fan Xiaoxiao Liu Ye Chen Ming Zhou Zihe Li Mengdong Ma Yonghai Yue Jing Wang Li Zhu Kun Luo Yang Zhang Yingju Wu Lin Wang Bo Xu Hua Zhang Zhisheng Zhao Yongjun Tian | 2022 | Nano Research2022,15,7: | 0 |
| 17 | Mapping the distributions of blood-sucking mites and mite-borne agents in China:a modeling study显示文摘Background:Emerging mite-borne pathogens and associated disease burdens in recent decades are raising serious public health concerns,yet their distributions and ecology remain under-investigated.We aim to describe the geographical distributions of blood-sucking mites and mite-borne agents and to assess their ecological niches in China.Methods:We mapped 549 species of blood-sucking mites belonging to 100 genera at the county level and eight mite-associated agents detected from 36 species of blood-sucking mites in China during 1978–2020.Impacts of climatic and environmental factors on the ecology of 21 predominant vector mites and a leading pathogen,Orientia tsutsugamushi,were assessed using boosted regression tree(BRT)models,and model-predicted risks were mapped.We also estimated the model-predicted number,area and population size of afected counties for each of the 21 mite species in China.Results:Laelaps echidninus is the leading mite species that potentially afects 744 million people,followed by La.jettmari(517 million)and Eulaelaps stabularis(452 million).Leptotrombidium scutellare is the mite species harboring the highest variety of mite-borne agents including four Rickettsia species and two viruses,followed by Eu.stabularis(2 agents),L.palpale(2)and La.echidninus(2).The top two agents that parasitize the largest number of mite species are O.tsutsugamushi(28 species)and hantavirus(8).Mammalian richness,annual mean temperature and precipitation of the driest quarter jointly determine the ecology of the mites,forming four clusters of major mite species with distinct geographic distributions.High-risk areas of O.tsutsugamushi are mainly distributed in southern and eastern coastal provinces where 71.5 million people live.Conclusions:Ecological niches of major mite species and mite-borne pathogens are much more extensive than what have been observed,necessitating expansion of current fled surveillance. | Tao Wang Fanfei Meng Tianle Che Jinjin Chen Haiyang Zhang Yang Ji Zhengwei Fan Guoping Zhao Wenhui Zhang Baogui Jiang Qiang Xu Chenlong Lv Taoxing Shi Shiman Ruan Lanzheng Liu Wei Liu Yang Yang Liqun Fang | 2022 | Infectious Diseases of Poverty2022,11,2: | 0 |
| 18 | A global optimization algorithm based on multi-loop neural network control显示文摘This paper proposes an optimization algorithm based on a multi-loop control system with a neural network controller,in which the objective function that is used is the control plant of each sub-control system.To obtain the global optimization solution from a control plant that has many local minimum points,a transformation function is presented.On the one hand,this approach changes a complex objective function into a simple function under the condition of an unchanged globally optimal solution,to find the global optimization solution more easily by using a multi-loop control system.On the other hand,a special neural network(in which the node function can be simply positioned locally)that is composed of multiple transformation functions is used as the controller,which reduces the possibility of falling into local minimum points.At the same time,a filled function is presented as a control law;it can jump out of a local minimum point and move to another local minimum point that has a smaller value of the objective function.Finally,18 simulation examples are provided to show the effectiveness of the proposed method. | LU Baiquan NI Chenlong ZHENG Zhongwei LIU Tingzhang | 2019 | Journal of Systems Engineering and Electronics2019,30,5: | 0 |
| 19 | Architecture for Cellular Enabled Integrated Communication and Sensing Services显示文摘There is growing interest in the integrated sensing and communication(ISAC)to extend the 5G+/6G network capabilities by introducing sensing capability.While the solutions for mono-static or bi-static ISAC have shown feasibility and benefits based on existing 5G physical layer design,whether and how to coordinate multiple ISAC devices to better exert networking performance are rarely discussed.3 rd Partnership Project(3GPP)has initiated the ISAC use cases study,and the follow-up studies for network architecture could be anticipated.In this article,we focus on gNB-based sensing mode and propose ISAC functional framework with given of highlevel service procedures to enable cellular based ISAC services.In the proposed ISAC framework,three types of network functions for sensing service as Sensing Function(SF),lightweight-Edge Sensing Function(ESF)and full-version-ESF are designed with interaction with network nodes to fulfill the latency requirements of ISAC use cases.Finally,with simulation evaluations and hardware testbed results,we further verify the performance benefit and feasibility to enable ISAC in 5G for the gNB-based sensing mode with new design on SF and related signaling protocols. | Bo Liu Qixun Zhang Zheng Jiang Dongsheng Xue Chenlong Xu Bowen Wang Xiaoming She Jinlin Peng | 2023 | China Communications2023,20,9: | 0 |
| 20 | Continuous measurement method and mathematical model of soil 1 compactness based on the deformation of fertilizing shovel arm显示文摘Biographies:Huihui Zhao,PhD candidate,research interest:intelligent control for comn precision planters,Email:zhaohh0220@163.com.Dongxing Zhang,PhD,Professor,research interest:full mechanization of cor production,Email:zhangdx@cau.edu.cn.Li Yang.PhD,Professor,research interest:precision agriculture,Email:yangli@cau.edu.cn. | Huilhui Zhao Dongxing Zhang Li Yang Tao Cui Xiantao He Chenlong Fan Wentong Liu | 2022 | International Journal of Agricultural and Biological Engineering2022,15,4: | 0 |