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| 1 | Support technology for mine roadways in extreme weakly cemented strata and its application显示文摘For the engineering geology conditions of bad mine roadway roof and floor lithology in extremely weak cemented strata, the best section shape of the roadway is determined from the study of tunnel surrounding rock displacement, plastic zone and stress distribution in rectangular, circle arch and arch wall sections, respectively. Based on the mining depth and thickness of the coal seam, roadway support technology solutions with different buried depth and thickness of coal seam are proposed. Support schemes are amended and optimized in time through monitoring data of the deformation of roadway,roof separation, I-beam bracket, bolt and anchor cable force to ensure the long-term stability and security of the roadway surrounding rock and support structure. The monitoring results show that mine roadway support schemes for different buried depth and section can be adapted to the characteristics of ground pressure and deformation of the surrounding rock in different depth well, effectively control the roadway surrounding rock deformation and the floor heave and guarantee the safety of construction and basic stability of surrounding rock and support structure. | Meng Qingbin Han Lijun Qiao Weiguo Lin Dengge Fan Jiadong | 2014 | International Journal of Mining Science and Technology2014，24，2： | 23 |
| 2 | A new PM_(2.5)-based CADR method to measure air infiltration rate of buildings显示文摘Air infiltration is an important way to exchange indoor air with outdoors.It significantly impacts energy consumption and air quality of buildings.Fine particles(PM_(2.5))in the outdoor atmosphere environment are a potential natural tracer for the measurement of air infiltration rate,especially in the long term field measurement.In this study,a PM_(2.5)-based method,named as CADR(clean air delivery rate)method,is developed to supplement traditional tracer gas method in order to make routine measurement in realistic environments possible and convenient.An air cleaner is installed indoors to reduce indoor PM_(2.5) concentration.Air infiltration is determined by fitting a model to the decreasing concentration data.Comparison with CO_(2) decay method in four different indoor environments gives a normalized mean error of 19%and a correlation coefficient of 0.80 for this method.This justifies the CADR method as a feasible option to measure air infiltration rate.Although subject to several constraints,the proposed method would facilitate field measurement under realistic conditions by being combined with current tracer gas methods. | Cong Liu Siyu Ji Fengjiao Zhou Qingbin Lin Yiqi Chen Xiaoliang Shao | 2021 | Building Simulation2021，14，3： | 1 |
| 3 | A Real-time Temperature Data Transmission Approach for Intelligent Cooling Control of Mass Concrete显示文摘 | Lin Peng Li Qingbin Jia Pinyu | 2014 | Mathematical Problems in Engineering2014，，： | 1 |
| 4 | Mechanical behavior of soybean protein fibers 显示文摘 | YANG Qingbin SUN Yaning TIAN Lin | 2009 | Journal of Donghua University: Eng Ed2009，26，1： | 1 |
| 5 | Cardioprotective effect of fluvastatin on isoproterenol-induced myocardial infarction in rat显示文摘 | Ru Zhou Qingbin Xu Ping Zheng Lin Yan Jie Zheng Guidong Dai | 2008 | European Journal of Pharmacology2008，，1： | 1 |
| 6 | Methanol-induced crack healing in poly (methyl methacrylate) 显示文摘 | Lin Qingbin Lee Shanboh Liu Keshun | 1990 | Polymer Engineering & Science1990，30，21： | 1 |
| 7 | Study on the Aromatic Components of Green Plum Wine by HS-SPME-GC-MS显示文摘In order to better blend green plum wine and study aromatic components of green plum wine,a qualitative analysis on aromatic components of soaked base liquor,green plum soaked wine,green plum juice,and fermented wine of green plum juice by Head Space Solid-phase Microextraction( HS-SPME) and Gas Chromatograph Mass Spectrometer( GC-MS) was studied in this paper. Experiment results indicated that14,32,17,and 46 kinds of aromatic components were identified respectively from four samples. Different aromatic components determined the special flavor and taste of green plum wine. Unique aromatic components generated in soaking process include benzaldehyde,1-butanol,2-methyl-,S-(-),benzoic acid ethyl ester,and 5-( hydroxymethyl). Special aromatic components in green plum juice were furfural,phenylethyl alcohol,and benzyl alcohol. The aromatic components in fermented wine of green plum juice mainly included phenylethyl alcohol( 6. 941%,relative content of peak area,same below),1-butanol,3-methyl-( 6. 940%),octanoic acid,ethyl ester( 3. 734%),decanoic acid,ethyl ester( 2. 590%),hexanoic acid,ethyl ester( 2. 479%),ethyl 9-decenoate( 2. 080%),and 5-hydroxymethyl( 1. 756%). This study was expected to provide scientific basis and data reference for quality improvement of green plum wine. | Yingying MA Hechuan WU Qingbin LIU Lingyun WANG Xiao DOU Lin YANG Jiangang YANG | 2016 | Asian Agricultural Research2016，8，1： | 1 |
| 8 | Modeling of contact temperatures and their influence on the tribological performance of PEEK and PTFE in a dual-pin-ondisk tribometer显示文摘The direct blending of polyether ether ketone(PEEK)with a solid lubricant such as polytetrafluoroethylene(PTFE)improves its tribological performance,but compromises its outstanding mechanical properties and processability.While these negative effects might be circumvented via the hybrid wear method,the influence of the contact temperature between multiple sliding components acting together is not fully understood.Herein,an analytical temperature model considering the influence of both micro-and macro-thermal behavior is extended to predict the contact temperature of a dual-pin-on-disk hybrid wear system.The interactions between several heat sources are investigated and experimentally verified.The analytical results show that the nominal temperature rise of the shared wear track is determined by the combined effect of the heat generated by both pin components,while the rise in flash temperature at the region in contact with each pin component is dependent upon its individual characteristics and working conditions.Hence,while different temperature peaks can coexist in the shared wear track,the maximum value dominates the performance of the system.For the experimentally investigated PEEK–PTFE–steel hybrid wear system,the formation of tribofilms is blocked,and the hybrid wear system fails,when the peak temperature exceeds the glass transition temperature of both pins due to an increase in applied load. | Zhibin LIN Ting QU Ke ZHANG Qingbin ZHANG Shengdao WANG Guibin WANG Bingzhao GAO Guowei FAN | 2023 | Friction2023，11，4： | 0 |
| 9 | A review of anomalous refractive and reflective metasurfaces显示文摘Abnormal refraction and reflection refers to the phenomenon in which light does not follow its traditional laws of propagation and instead is subject to refraction and reflection at abnormal angles that satisfy a generalization of Snell’s law.Metasurfaces can realize this phenomenon through appropriate selection of materials and structural design,and they have a wide range of potential applications in the military,communications,scientific,and biomedical fields.This paper summarizes the current state of research on abnormal refractive and reflective metasurfaces and their application scenarios.It discusses types of abnormal refractive and reflective metasurfaces based on their tuning modes(active and passive),their applications in different wavelength bands,and their future development.The technical obstacles that arise with existing metasurface technology are summarized,and prospects for future development and applications of abnormal refractive and reflective metasurfaces are discussed. | Siqi Liu Zhenyu Ma Jian Pei Qingbin Jiao Lin Yang Wei Zhang Hui Li Yuhang Li Yubo Zou Xin Tan | 2022 | Nanotechnology and Precision Engineering2022，5，2： | 0 |
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