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| 1 | An overview of the use of plastic-film mulching in China to increase crop yield and water-use efficiency显示文摘Since 1990,crop yields have stagnated in many parts of the world,posing a significant challenge to global food security[1].As such;innovative solutions are needed to increase the resource-use efficiency of cropping systems to produce more grains per unit area. | Dongbao Sun Haigang Li Enli Wang Wenqing He Weiping Hao Changrong Yan Yuzhong Li Xurong Mei Yanqing Zhang Zhanxiang Sun Zhikuan Jia Huaiping Zhou Tinglu Fan Xucheng Zhang Qin Liu Fengju Wang Chaochun Zhang Jianbo Shen Qingsuo Wang Fusuo Zhang | 2020 | National Science Review2020,7,10: | 19 |
| 2 | Reemergent Cases of COVID-19--Xinjiang Uygur Autonomous Region,China,July 16,2020显示文摘Before the coronavirus disease 2019(COVID-19)outbreak on July 16,2020,no new COVID-19 cases were reported in Urumqi City of Xinjiang for 150 consecutive days.During this outbreak,826 confirmed COVID-19 cases have been reported in Urumqi.The phylogenetic characteristics of COVID-19 virus from clinical specimens of the initial 4 cases in the Urumqi outbreak were sequenced. | Cao Chen Hemuti Ma Zhiyuan Jia Xiang Zhao Dayan Wang Jun Zhao Zhenguo Gao Peipei Liu Yang Song Zhixiao Chen Yuchao Wu Yao Meng Guizhen Wu Wenbo Xu Xucheng Fan Yong Zhang | 2020 | China CDC weekly2020,2,39: | 5 |
| 3 | Highly stable, active and recyclable solid acid catalyst based on polymer-coated magnetic composite particles显示文摘A facile approach has been adopted for coating cross-linked polystyrene(PS) shells on the surface of Fe304 magnetic clusters using reflux-precipitation polymerization(RPP).Treating the PS shell with chlorosulfonic acid yields magnetic composite particles with acid functionality.By adjusting the amount and proportion of monomers(styrene and divinylbenzene),the obtained magnetic composite particle solid acid(MPM-5 S) exhibits a saturation magnetization value of 18 emu/g,a specific surface area of 243 m^2/g and an acid density of 2.113 mmol/g.The MPM-5 S magnetic solid acid catalyst was evaluated for esterification of oleic acid with methanol to prepare biodiesel.Under mild conditions,the conversion of oleic acid reached 91%,which was much higher than the catalytic activity of Amberlyst-15 and close to the catalytic activity of concentrated H2 SO4.The solid acid catalyst can be recovered by magnetic separation and reused three times maintaining over 95% of its initial catalytic activity.Additionally,the solid acid can be used to catalyze the dehydration of fructose to 5-hydroxymethylfurfural. | Jianxin Luo Xucheng Zhang Chunyan Zhang Tao Wang Xue Chen Hongyu Chen Steve King Changchun Wang | 2019 | Chinese Chemical Letters2019,30,12: | 2 |
| 4 | Chinese word segmentation with local and global context representation learning显示文摘A local and global context representation learning model for Chinese characters is designed and a Chinese word segmentation method based on character representations is proposed in this paper.First,the proposed Chinese character learning model uses the semantics of local context and global context to learn the representation of Chinese characters.Then,Chinese word segmentation model is built by a neural network,while the segmentation model is trained with the character representations as its input features.Finally,experimental results show that Chinese character representations can effectively learn the semantic information.Characters with similar semantics cluster together in the visualize space.Moreover,the proposed Chinese word segmentation model also achieves a pretty good improvement on precision,recall and f-measure. | 李岩 Zhang Yinghua Huang Xiaoping Yin Xucheng Hao Hongwei | 2015 | High Technology Letters2015,21,1: | 2 |
| 5 | Facile fabrication of self-healing silicone-based poly(urea-thiourea)/tannic acid composite for anti-biofouling显示文摘A novel silicone-based poly(urea-thiourea)/tannic acid composite(PDMS-P(Ua-TUa)-TA)with excellent mechanical,self-healing and antifouling properties is developed.The multiple dynamic hydrogen bonds formed by thiourea groups,urea groups,and tannic acid(TA)molecules ensured a tough elastomer(ultimate strength:2.47 MPa)with high stretchability(~1000%).TA molecules as partial hydrogen bonding cross-linking sites interacted rapidly with urea and thiourea groups before the migration of polymer chains,resulting in fast and efficient self-healing.Scratches on the film completely disappeared within12 min,and the repair efficiency of strength was up to 98.4%within 3 h under ambient condition.Selfhealing behavior was also evaluated in artificial seawater and the healing efficiency(HE)was 95.1%.Furthermore,TA uniformly dispersed in the polymer matrix provides good antibacterial and anti-diatom properties,as well as strong adhesion to the substrate(~2.2 MPa).Laboratory bioassays against marine bacteria adhesion(~96%,~95%and~93%reduction for P.sp.,E.coli,and S.aureus,respectively)and diatom attachment(~84%reduction)demonstrated an outstanding antifouling property of the PDMSP(Ua-TUa)-TA.This work provides a promising pathway towards the development of high-performance silicone-based coatings for marine anti-biofouling. | Jiawen Sun Chao Liu Jizhou Duan Jie Liu Xucheng Dong Yimeng Zhang Ning Wang Jing Wang Baorong Hou | 2022 | Journal of Materials Science & Technology2022,,29: | 1 |
| 6 | Energy Efficient Thermal Comfort Control for Residential Building Based on Nonlinear EMPC显示文摘For purpose of achieving the desired thermal comfort level and reducing the economic cost of maintaining the thermal comfort of green residential building,an energy efficient thermal comfort control strategy based on economic model predictive control(EMPC)for green residential buildings which adopts household heat metering is presented.Firstly,the nonlinear thermal comfort model of heating room is analyzed and obtained.A practical nonlinear thermal comfort prediction model is obtained by using an approximation method.Then,the economic cost function and optimization problem of energy-saving under the necessary thermal comfort requirements are constructed to realize the optimal economic performance of the dynamic process.The energy efficient thermal comfort MPC(EETCMPC)is designed.Finally,the comparison and analysis between EETCMPC and Double-layer Model Predictive Control(DMPC)is simulated.The simulation results reveal that when the clothing insulation is typical,the energy efficiency of EETCMPC is 8.9%and 11.6%,respectively,in the two simulation scenarios.When the clothing insulation varies with temperature,the energy efficiency of EETCMPC is 7.29%and 9.15%,respectively,and the total energy consumption is reduced by about 1.65%and 14.6%,respectively,compared with the typical clothing insulation.The economic performance is improved in the thermal comfort dynamic process of heating room. | Xucheng Chang Bing Kong Yong Li GaofengRen Chao Zhang ZhengheWang | 2022 | Energy Engineering2022,119,5: | 0 |
| 7 | NAND-SPIN-based processing-in-MRAM architecture for convolutional neural network acceleration显示文摘The performance and efficiency of running large-scale datasets on traditional computing systems exhibit critical bottlenecks due to the existing“power wall”and“memory wall”problems.To resolve those problems,processing-in-memory(PIM)architectures are developed to bring computation logic in or near memory to alleviate the bandwidth limitations during data transmission.NAND-like spintronics memory(NAND-SPIN)is one kind of promising magnetoresistive random-access memory(MRAM)with low write energy and high integration density,and it can be employed to perform efficient in-memory computation operations.In this study,we propose a NAND-SPIN-based PIM architecture for efficient convolutional neural network(CNN)acceleration.A straightforward data mapping scheme is exploited to improve parallelism while reducing data movements.Benefiting from the excellent characteristics of NAND-SPIN and in-memory processing architecture,experimental results show that the proposed approach can achieve~2.6×speedup and~1.4×improvement in energy efficiency over state-of-the-art PIM solutions. | Yinglin ZHAO Jianlei YANG Bing LI Xingzhou CHENG Xucheng YE Xueyan WANG Xiaotao JIA Zhaohao WANG Youguang ZHANG Weisheng ZHAO | 2023 | Science China(Information Sciences)2023,66,4: | 0 |
| 8 | EFFECTS OF THE TAILINGS POSITION IN TAILINGS POND ON THE STRENGTH OF FILL显示文摘EFFECTSOFTHETAILINGSPOSITIONINTAILINGSPONDONTHESTRENGTHOFFILL¥Zhang,Qinli;Peng,Xucheng;Wang,Xinmin;Ouyang,Niankai(Departmento... | Qinli, Zhang Xucheng, Peng Xinmin, Wang Niankai, Ouyang | 1995 | 中国有色金属学会会刊:英文版1995,5,3: | 0 |
| 9 | Growth of High-Quality Multicrystalline Silicon Ingot through the Cristobalite Seeded Method显示文摘 | Yunyang Yu Junjing Ding Wenliang Chen Zhaoyu Zhang Xucheng Zhou Genxiang Zhong Xinming Huang | 2016 | 材料科学与工程(中英文B版)2016,6,6: | 0 |