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| 1 | A cellular automata evacuation model considering friction and repulsion显示文摘There exist interactions among pedestrians and between pedestrian and environment in evacuation. These interactions include attraction, repulsion and friction that play key roles in human evacuation behaviors, speed and efficiency. Most former evacuation models focus on the attraction force, while repulsion and friction are not well modeled. As a kind of multi-particle self-driven model, the social force model introduced in recent years can represent those three forces but with low simulation efficiency because it is a continuous model with complex rules. Discrete models such as the cellular automata model and the lattice gas model have simple rules and high simulation efficiency, but are not quite suitable for interactions’ simulation. In this paper, a new cellular automata model based on traditional models is introduced in which repulsion and friction are modeled quantitatively. It is indicated that the model can simulate some basic behaviors, e.g. arching and the “faster-is-slower” phenomenon, in evacuation as multi-particle self-driven models, but with high efficiency as the normal cellular automata model and the lattice gas model. | SONG Weiguo YU Yanfei FAN Weicheng Zhang Heping | 2005 | Science China(Technological Sciences)2005，48，4： | 19 |
| 2 | Effect of dietary interventions on the intestinal microbiota of Mongolian hosts显示文摘The gut microbiota of Mongolian hosts has distinctive characteristics due to their meat- and dairyoriented daily diets and unique genotype.The aim of the present study was to investigate the effect of switching from the typical high protein and fat Mongolian diets to carbohydrate-rich meals composed principally of wheat,rice and naked oats on the host gut microbiota within 3 weeks.Our study took the advantage of the long sequence reads produced by the Pac Bio single molecule real-time sequencing technology to enable the profiling of subjects' gut microbiota communities along the diet intervention to the species precision.We found that the bacterial richness and diversity decreased apparently along the diet intervention.During the diet intervention,the gut microbiota composition displayed no significant difference at phylum level(with major phyla of Firmicutes,Bacteroidetes,Tenericutes and Proteobacteria).The relative abundances of some genera such as Bacteroidetes,Faecalibacterium,Roseburia,Alistipes,Streptococcus,and Oscillospira were significantly altered after the diet switching started.Notably,significant changes were also observed in the proportions of the species Bacteroides dorei,Bacteroides fragilis,Bacteroides thetaiotaomicron,Ruminococcus albus,Ruminococcus faecis,Roseburia faecis and Eubacterium ventriosum.These results have demonstrated that diet and host gut microbiota is closely linked. | Jing Li Haiyan Xu Zhihong Sun Qiangchuan Hou Lai-Yu Kwok Wuri Laga Yanjie Wang Huimin Ma Zhongjie Yu Bilige Menghe Heping Zhang | 2016 | Science Bulletin2016，61，20： | 14 |
| 3 | Quantitative computed tomography analysis for stratifying the severity of Coronavirus Disease 2019显示文摘To examine the feasibility of using a computer tool for stratifying the severity of Coronavirus Disease 2019(COVID-19)based on computed tomography(CT)images.We retrospectively examined 44 confirmed COVID-19 cases.All cases were evaluated separately by radiologists(visually)and through an in-house computer software.The degree of lesions was visually scored by the radiologist,as follows,for each of the 5 lung lobes:0,no lesion present;1,<1/3 involvement;2,>1/3 and<2/3 involvement;and 3,>2/3 involvement.Lesion density was assessed based on the proportion of ground-glass opacity(GGO),consolidation and fibrosis of the lesions.The parameters obtained using the computer tool included lung volume(mL),lesion volume(mL),lesion percentage(%),and mean lesion density(HU)of the whole lung,right lung,left lung,and each lobe.The scores obtained by the radiologists and quantitative results generated by the computer software were tested for correlation.A Chi-square test was used to test the consistency of radiologist-and computer-derived lesion percentage in the right/left lung,upper/lower lobe,and each of the 5 lobes.The results showed a strong to moderate correlation between lesion percentage scores obtained by radiologists and the computer software(r ranged from 0.7679 to 0.8373,P<0.05),and a moderate correlation between the proportion of GGO and mean lesion density(r=-0.5894,P<0.05),and proportion of consolidation and mean lesion density(r=0.6282,P<0.05).Computer-aided quantification showed a statistical significant higher lesion percentage for lower lobes than that assessed by the radiologists(x^2=8.160,P=0.004).Our experiments demonstrated that the computer tool could reliably and accurately assess the severity and distribution of pneumonia on CT scans. | Cong Shen Nan Yu Shubo Cai Jie Zhou Jiexin Sheng Kang Liu Heping Zhou Youmin Guo Gang Niu | 2020 | Journal of Pharmaceutical Analysis2020，10，2： | 13 |
| 4 | Estimation of Turbulent Fluxes Using the Flux-Variance Method over an Alpine Meadow Surface in the Eastern Tibetan Plateau显示文摘流动变化类似关系和数量的垂直转移在表面的不同类型上展出不同,导致在估计用流动变化方法的狂暴的流动的数量之中的相对运输效率的不同 parameterization 途径。我们调查了在雨季期间在中间的水文学条件下面在夏天在东方西藏的高原在一块开、同类、扁平的草地上使用 eddycovariance 大小的这些问题。处于不稳定的条件,温度,水蒸汽,和 CO2 跟随了流动变化类似关系,但是没出现在精确一样的方法由于不同角色(活跃或被动) 这些数量。温度,水蒸汽和 CO2 的类似常数被发现分别地是 1.12, 1.19 和 1.17。热交通比水蒸汽和 CO2 更有效。基于估计的理智的热流动,到水蒸汽和 CO2 的热的相对运输效率的五个 parameterization 方法被检验估计潜伏的热和 CO2 流动。流动变化类似关系的本地决心的策略为潜伏的热和 CO2 流动的评价被推荐。这条途径对代表平均相对运输效率更好,并且对技术上更容易适用,与另外的更复杂的相比。 | WANG Shaoying ZHANG Yu LU Shihua LIU Heping SHANG Lunyu | 2013 | Advances in Atmospheric Sciences2013，30，2： | 11 |
| 5 | Numerical simulations of land surface physical processes and land-atmosphere interactions over oasis-desert/Gobi region显示文摘A land-surface physical process model was coupled with a mesoscale atmospheric model. This cou- pled model was then used to simulate the interactions between land and the atmosphere, including surface temperature, net radiation, sensible heat flux and latent heat flux over a desert/Gobi with an oasis in northwestern semiarid regions in China. Comparisons between observations and simulations were made over the oasis and the desert/Gobi, respectively. Both cold island effect and wet island ef- fect, the so-called oasis effect, were observed and simulated. Lower temperature, higher specific hu- midity and weaker turbulent transfer were present over the oasis than the desert/Gobi. A subsidence occurred over the oasis, leading to a thermally-generated mesoscale circulation. | LIU ShuHua LIU HePing HU Yu ZHANG ChengYi LIANG FuMing WANG JianHua | 2007 | Science China Earth Sciences2007，50，2： | 9 |
| 6 | Recent Progress of Two-Dimensional Thermoelectric Materials显示文摘Thermoelectric generators have attracted a wide research interest owing to their ability to directly convert heat into electrical power.Moreover,the thermoelectric properties of traditional inorganic and organic materials have been significantly improved over the past few decades.Among these compounds,layered two-dimensional(2D)materials,such as graphene,black phosphorus,transition metal dichalcogenides,IVA–VIA compounds,and MXenes,have generated a large research attention as a group of potentially high-performance thermoelectric materials.Due to their unique electronic,mechanical,thermal,and optoelectronic properties,thermoelectric devices based on such materials can be applied in a variety of applications.Herein,a comprehensive review on the development of 2D materials for thermoelectric applications,as well as theoretical simulations and experimental preparation,is presented.In addition,nanodevice and new applications of 2D thermoelectric materials are also introduced.At last,current challenges are discussed and several prospects in this field are proposed. | Delong Li Youning Gong Yuexing Chen Jiamei Lin Qasim Khan Yupeng Zhang Yu Li Han Zhang Heping Xie | 2020 | Nano-Micro Letters2020，12，3： | 5 |
| 7 | Diversity of lactic acid bacteria and yeasts in traditional sourdoughs collected from western region in Inner Mongolia of China显示文摘 | Jiachao Zhang Wenjun Liu Zhihong Sun Qiuhua Bao Fang Wang Jie Yu Wei Chen Heping Zhang | 2010 | Food Control2010，，5： | 4 |
| 8 | Quinclorac Resistance in Echinochloa crus-galli from China显示文摘Echinochloa crus-galli is a major weed in rice fields in China,and quinclorac has been long used for its control.Over-reliance of quinclorac has resulted in quinclorac resistance in E.crus-galli.Two resistant(R)E.crus-galli populations from Hunan,China were confirmed to be at least 78-fold more resistant to quinclorac than the susceptible(S)population.No difference in foliar uptake of 14C-labelled quinclorac was detected between the R and S plants.However,a higher level of 14C translocation and a lower level of quinclorac metabolism were found in the R plants.Basal and induced expression levels ofβ-cyanoalanine synthase(β-CAS)gene andβ-CAS activity were not significantly different between the R and S plants.However,the induction expression of 1-aminocyclopropane-1-carboxylic acid oxidase(ACO1)gene by quinclorac treatment was evident in the S plants but not in the R plants.Quinclorac resistance in the two resistant E.crus-galli populations was not likely to be related to foliar uptake,translocation or metabolism of quinclorac,nor to cyanide detoxification viaβ-CAS.Thus,target-site based quinclorac signal reception and transduction and regulation of the ethylene synthesis pathway should be the focus for further research. | PENG Qiong HAN Heping YANG Xia BAI Lianyang YU Qin Stephen BPOWLES | 2019 | Rice science2019，26，5： | 4 |
| 9 | Three-dimensional temperature reconstruction of diffusion flame from the light-field convolution imaging by the focused plenoptic camera显示文摘The plenoptic imaging technique provides a promising approach to the non-invasive three-dimensional measurement, especially for the high-temperature combustion diagnosis. We establish a light-field convolution imaging model for diffusion flame in this work, considering the radiation transfer process inside the diffusion flame and the light transfer process inside the focused plenoptic camera together. The radiation transfer process is described by the radiation transfer equation and solved by the generalized source multi-flux method. Wave optics theory is adopted to describe the light transfer process, combining Fresnel diffraction and the phase conversion of the lens. The flame light-field image is obtained by the light-field convolution imaging model and adopted as the measurement signal to reconstruct three-dimensional temperature field. The inverse problem of temperature reconstruction is solved by the least square QR decomposition method. The simulative temperature reconstruction work is conducted, including the inverse analysis, the uncertainty analysis, and the measurement noise influence. All the results show that the proposed measurement method is available to reconstruct three-dimensional temperature with satisfactory accuracy and acceptable uncertainty. Both symmetric and asymmetric distributed temperature fields are investigated, and the reconstructed results prove the validity and universality of the measurement method. | SHI JingWen QI Hong YU ZhiQiang AN XiangYang REN YaTao TAN HePing | 2022 | Science China(Technological Sciences)2022，65，2： | 4 |
| 10 | Isolation and identification of lactic acid bacteria from Tarag in Eastern Inner Mongolia of China by 16S rRNA sequences and DGGE analysis显示文摘 | Wenjun Liu Qiuhua Bao Jirimutu Manjun Qing Siriguleng Xia Chen Ting Sun Meihua Li Jiachao Zhang Jie Yu Menghe Bilige Tiansong Sun Heping Zhang | 2011 | Microbiological Research2011，，2： | 2 |
| 11 | A locus on distal chromosome 10 ( ahl4 ) affecting age-related hearing loss in A/J mice显示文摘 | Qing Yin Zheng Dalian Ding Heping Yu Richard J. Salvi Kenneth R. Johnson | 2007 | Neurobiology of Aging2007，，10： | 2 |
| 12 | Li-ion battery material under high pressure:amorphization and enhanced conductivity of Li_4Ti_5O_(12)显示文摘Lithium titanium oxide(Li_4Ti_5O_(12),LTO),a‘zero-strain’anode material for lithium-ion batteries,exhibits excellent cycling performance.However,its poor conductivity highly limits its applications.Here,the structural stability and conductivity of LTO were studied using in situ high-pressure measurements and first-principles calculations.LTO underwent a pressure-induced amorphization(PIA)at 26.9 GPa.The impedance spectroscopy revealed that the conductivity of LTO improved significantly after amorphization and that the conductivity of decompressed amorphous LTO increased by an order of magnitude compared with its starting phase.Furthermore,our calculations demonstrated that the different compressibility of the Li O_6 and Ti O_6 octahedra in the structure was crucial for the PIA.The amorphous phase promotes Li^+ diffusion and enhances its ionic conductivity by providing defects for ion migration.Our results not only provide an insight into the pressure depended structural properties of a spinel-like material,but also facilitate exploration of the interplay between PIA and conductivity. | Yanwei Huang Yu He Howard Sheng Xia Lu Haini Dong Sudeshna Samanta Hongliang Dong Xifeng Li Duck Young Kim Ho-kwang Mao Yuzi Liu Heping Li Hong Li Lin Wang | 2019 | National Science Review2019，6，2： | 2 |
| 13 | Thermal performance analysis of porous media receiver with concentrated solar irradiation显示文摘 | Fuqiang Wang Yong Shuai Heping Tan Chunliang Yu | 2013 | International Journal of Heat and Mass Transfer2013，，： | 1 |
| 14 | A locus on distal chromosome 11 ( ahl8 ) and its interaction with Cdh23 ahl underlie the early onset, age-related hearing loss of DBA/2J mice显示文摘 | Kenneth R. Johnson Chantal Longo-Guess Leona H. Gagnon Heping Yu Qing Yin Zheng | 2008 | Genomics2008，，4： | 1 |
| 15 | RNA ‐Seq transcriptome analysis to identify genes involved in metabolism‐based diclofop resistance in Lolium rigidum显示文摘 | Todd A. Gaines Lothar Lorentz Andrea Figge Johannes Herrmann Frank Maiwald Mark‐Christoph Ott Heping Han Roberto Busi Qin Yu Stephen B. Powles Roland Beffa | 2014 | Plant J2014，，5： | 1 |
| 16 | Evapora- tion and deposition coverage area of droplets containing insecticides and spray additives on hydrophilic, hydro- phobic, and crabapple leaf surfaces 显示文摘 | Yu Yang Zhu Heping Ozkan H Erdal | 2009 | Transactions of the ASABE2009，52，1： | 1 |
| 17 | Study on Ocular Torsion of V Patterns Strabismus显示文摘Purpose: To investigate the ocular torsion of V patterns.Methods:Twenty-two in hospital V patterns patients underwent bilateral inferior obliquemuscles myectomy for inferior oblique overacting and hortizon recti underwent recessresection procedure to correct hortizon devation. Objective cycloposition was assessed by fundus photograph before and 7 days after surgery in all cases. The photographs was stored in computer, and the disc-fovea angle was measured by means of drawing picture software. As well as the deviation, oblique muscle function was recorded before and after surgery.Result: Seventeen cases were bilateral ocular excyclotropia, 4 cases were monocular excyclotropia and one case was normal.The disc-fovea angle of right eyes and left eyes before operation is 15.67°+5.72° and 16.59°+6.69°.The comparisons among V patterns and normal average showed significant differences ( P < 0.001). The disc-fovea angle of right eyes and left eyes after operation is 5.24°+5.87° and 7.17°+5.40°. There is no statistic difference between normal average( P > 0.5).The deviation between up-and down 25° is 23.1+6.8 before surgery, as well as the one is 2.0±2.25 one week postoperatively.All cases have bilateral inferior oblique overaction, and diminished but one case still has unilateral moderate overaction 7 days after surgery.Conclusion:There is objective cyclotropia in case of V patterns, and the objective torsion is normal after weakening overacted inferior oblique muscles. | Xinping Yu, Guanghuan Mai, Huanyun Yu, Daming Deng Xiaoming Lin, Jingchang Chen, Heping Wu Zhongshan Ophthalmic Center, Sun Yat-sen University Guangzhou 510060, China | 2003 | Eye Science2003，19，3： | 1 |
| 18 | Effects ofstearates on the thermal stability of chlorinated natural rubber from latex, Journal of Applied Polymer Science显示文摘 | Yu Heping Li Sidong Zhong Jieping | 2006 | 99(4): 1981-19852006，99，4： | 1 |
| 19 | Experimental Re-search on Effects of Initial Joints on Surface Displacement Duo to Coal Mining 显示文摘 | Xie Heping Yu Guangming and Yang Lun etc | 1999 | Journal of Coal Science & Engineering1999，5，1： | 1 |
| 20 | FERONIA is involved in phototropin 1-mediated blue light phototropic growth in Arabidopsis显示文摘Plant shoot phototropism is triggered by the formation of a light-driven auxin gradient leading to bending growth.The blue light receptor phototropin 1(phot1)senses light direction,but how this leads to auxin gradient formation and growth regulation remains poorly understood.Previous studies have suggested phot1’s role for regulated apoplastic acidification,but its relation to phototropin and hypocotyl phototropism is unclear.Herein,we show that blue light can cause phot1 to interact with and phosphorylate FERONIA(FER),a known cell growth regulator,and trigger downstream phototropic bending growth in Arabidopsis hypocotyls.fer mutants showed defects in phototropic growth,similar to phot1/2 mutant.FER also interacts with and phosphorylates phytochrome kinase substrates,the phot1 downstream substrates.The phot1-FER pathway acts upstream of apoplastic acidification and the auxin gradient formation in hypocotyl under lateral blue light,both of which are critical for phototropic bending growth in hypocotyls.Our study highlights a pivotal role of FER in the phot1-mediated phototropic cell growth regulation in plants. | Chiyu Li Jia Chen Xiaoyan Li Xin Zhang Ying Liu Sirui Zhu Long Wang Heping Zheng Sheng Luan Jiada Li Feng Yu | 2022 | Journal of Integrative Plant Biology2022，64，10： | 1 |
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