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| 1 | Creation of Triple Hierarchical Micro-Meso-Macroporous N-doped Carbon Shells with Hollow Cores Toward the Electrocatalytic Oxygen Reduction Reaction显示文摘A series of triple hierarchical micro-mesomacroporous N-doped carbon shells with hollow cores have been successfully prepared via etching N-doped hollow carbon spheres with CO_2 at high temperatures.The surface areas, total pore volumes and microporepercentages of the CO_2-activated samples evidently increase with increasing activation temperature from 800 to950 °C, while the N contents show a contrary trend from7.6 to 3.8 at%. The pyridinic and graphitic nitrogen groups are dominant among various N-containing groups in the samples. The 950 °C-activated sample(CANHCS-950) has the largest surface area(2072 m^2 g^(-1)), pore volume(1.96 cm^3 g^(-1)), hierarchical micro-mesopore distributions(1.2, 2.6 and 6.2 nm), hollow macropore cores(*91 nm)and highest relative content of pyridinic and graphitic N groups. This triple micro-meso-macropore system could synergistically enhance the activity because macropores could store up the reactant, mesopores could reduce the transport resistance of the reactants to the active sites, and micropores could be in favor of the accumulation of ions.Therefore, the CANHCS-950 with optimized structure shows the optimal and comparable oxygen reduction reaction(ORR) activity but superior methanol tolerance and long-term durability to commercial Pt/C with a 4 e--dominant transfer pathway in alkaline media. These excellent properties in combination with good stability and recyclability make CANHCSs among the most promising metal-free ORR electrocatalysts reported so far in practical applications. | Ruohao Xing Tingsheng Zhou Yao Zhou Ruguang Ma Qian Liu Jun Luo Jiacheng Wang | 2018 | Nano-Micro Letters2018，10，1： | 9 |
| 2 | An operation optimization method of a fully mechanized coal mining face based on semi-physical virtual simulation显示文摘A mathematical hydraulic support self-tracking model for three-machine cooperative mining is proposed to address low efficiency and difficulties in strategy evaluation of a fully mechanized coal face.The proposed model uses the coordinates and traction speed of the shearer to calculate the frequency of the circular hydraulic support and realize the coordinated operation of the three-machine mining technology.A unity3d hardware-in-the-loop simulation experimental hearer and hydraulic support platform was used to validate the model of autonomous follow-up.The results indicate that collaborative control of coal mining allowed for an efficiency 3.76%higher than under automatic operation mode and 46.03%higher than under manual control;thus,The mathematical model provided an improved production efficiency of the fully mechanized mining face.The mathematical model also provides a more intelligent and reliable security support,and improves the intelligent level of hydraulic support follow-up control. | Hengbo Shi Jiacheng Xie Xuewen Wang Juanli Li Xing Ge | 2020 | International Journal of Coal Science & Technology2020，7，1： | 3 |
| 3 | Highly selective adsorption of CO over N2 on CuCl-loaded SAPO-34 adsorbent显示文摘Carbon monoxide(CO)/N2 separation is of importance for current chemical industry.However, CO/N2 separation remains a challenge due to the similar molecular size and the small variance of volatility of CO and N2.In this work, molecular sieve SAPO-34 was loaded with CuCl by monolayer dispersion method for the preparation of Cu(I) containing adsorbents.The resulted adsorbents were characterized via nitrogen adsorption/desorption at 77 K, X-ray fluorescence(XRF) and X-ray diffraction(XRD).The results indicated that CuCl was successful loaded into the molecular sieve and well-dispersed.CO and N2 single component adsorption isotherms were recorded under 298 K, 308 K and 318 K by using volumetric method.One of the CuCl-loaded SAPO-34 adsorbent exhibited a very high CO adsorption capacity of 1.84 mmol/g at 100 kPa,298 K and high CO/N2 selectivity. | Yaqi Wu Zhaoan Chen Bing Li Jiacheng Xing Hanbang Liu Yansi Tong Peng Tian Yunpeng Xu Zhongmin Liu | 2019 | Journal of Energy Chemistry2019，28，9： | 3 |
| 4 | Gene duplication drove the loss of awn in sorghum.显示文摘Loss of the awn in some cereals including sorghum is a key transition during cereal domestication or improvement that has facilitated grain harvest and storage.The genetic basis for the loss of awn in sorghum during domestication or improvement remains unknown.Here,we identified a transcription factor gene awn1 encoding an ALOG domain,which is responsible for awn loss during sorghum domestication or improvement.awn1 arose from a gene duplication from chromosome 10 that translocated to chromosome 3,recruiting a new promoter from the neighbouring intergenic region filled with'noncoding DNA',and recreating the first exon and intron.The awn1 acquires high expr`ession after duplication and represses the elongation of awns in domesticated sorghum.Comparative mapping revealed a high collinearity at awn1 paralog locus on chromosome 10 across cereals and awn growth and development was successfully reactivated on the rice spikelet by inactivating rice awn1 orthologue.Further RNA-seq and DAP-seq revealed that as a transcription repressor,AWN1 directly bound to the motif in the regulatory regions from three MADS genes related to flower development and two genes DL and LKS2 for the development of awn,downregulated the expressions of these genes,and then repressed the elongation of awn.The preexistence of regulatory elements in the neighbouring intergenic region of awn1 before domestication signified that noncoding DNA may serve as a treasure trove for evolution during adaptation to a changing world.Our results supported that gene duplication can promptly drive the evolution of gene regulatory network. | Leina Zhou Can Zhu Xiaojian Fang Hangqin Liu Shuyang Zhong Yan Li Jiacheng Liu Yang Song Xing Jian Zhongwei Lin | 2021 | Molecular Plant2021，14，11： | 2 |
| 5 | Single-cell RNA sequencing reveals B cell-T cell interactions in vascular adventitia of hyperhomocysteinemia-accelerated atherosclerosis显示文摘Dear Editor Cardiovascular disease(CVD)is the leading cause of death around the world(Truelsen,et al.,2015).Atherosclerosis,the dominant underlying cause of CVD,is a chronic inflam-matory disease characterized by lipid accumulation and immune cell infiltration in plaques and vessels(Weber,et al.,1950).The immune microenvironment is critical for the development of atherosclerosis.Homocysteine(Hcy)is an intermediate product of methionine metabolism,and its ele-vation in plasma(>15μmol/L),known as hyperhomocys-teinemia(HHcy),is an independent risk factor for atherosclerosis.HHcy is more common in Asia because of genetic factors and dietary habits(Huo,et al.,2015).folic acid supplement is one of the most important way to treat HHcy in clinic.Although HHcy potentiates atherosclerosis mainly through endothelial injury and inflammatory activa-tion(Luo,et al.,2016),a comprehensive understanding of the immune microenvironment and potential mechanisms in HHcy-accelerated atherosclerotic aortas(HHcy-AA)is still lacking. | Xiaolong Ma Jiacheng Deng Lulu Han Yuwei Song Yutong Miao Xing Du Guohui Dang Dongmin Yang Bitao Zhong Changtao Jiang Wei Kong Qingbo Xu Juan Feng Xian Wang | 2022 | Protein & Cell2022，13，7： | 2 |
| 6 | High-power mid-infrared femtosecond master oscillator power amplifier Er:ZBLAN fiber laser system显示文摘High-power femtosecond mid-infrared(MIR)lasers are of vast importance to both fundamental research and applications.We report a high-power femtosecond master oscillator power amplifier laser system consisting of a singlemode Er:ZBLAN fiber mode-locked oscillator and pre-amplifier followed by a large-mode-area Er:ZBLAN fiber main amplifier.The main amplifier is actively cooled and bidirectionally pumped at 976 nm,generating a slope efficiency of 26.9%.Pulses of 8.12 W,148 fs at 2.8μm with a repetition rate of 69.65 MHz are achieved.To the best of our knowledge,this is the highest average power ever achieved from a femtosecond MIR laser source.Such a compact ultrafast laser system is promising for a wide range of applications,such as medical surgery and material processing. | Linpeng Yu Jinhui Liang Qinghui Zeng Jiacheng Wang Xing Luo Jinzhang Wang Peiguang Yan Fanlong Dong Xing Liu Qitao Lü Chunyu Guo Shuangchen Ruan | 2023 | High Power Laser Science and Engineering2023，11，4： | 0 |
| 7 | A visual analysis approach for data imputation via multi-party tabular data correlation strategies显示文摘Data imputation is an essential pre-processing task for data governance,aimed at filling in incomplete data.However,conventional data imputation methods can only partly alleviate data incompleteness using isolated tabular data,and they fail to achieve the best balance between accuracy and eficiency.In this paper,we present a novel visual analysis approach for data imputation.We develop a multi-party tabular data association strategy that uses intelligent algorithms to identify similar columns and establish column correlations across multiple tables.Then,we perform the initial imputation of incomplete data using correlated data entries from other tables.Additionally,we develop a visual analysis system to refine data imputation candidates.Our interactive system combines the multi-party data imputation approach with expert knowledge,allowing for a better understanding of the relational structure of the data.This significantly enhances the accuracy and eficiency of data imputation,thereby enhancing the quality of data governance and the intrinsic value of data assets.Experimental validation and user surveys demonstrate that this method supports users in verifying and judging the associated columns and similar rows using theirdomain knowledge. | Haiyang ZHU Dongming HAN Jiacheng PAN Yating WEI Yingchaojie FENG Luoxuan WENG Ketian MAO Yuankai XING Jianshu LV Qiucheng WAN Wei CHEN | 2024 | Frontiers of Information Technology & Electronic Engineering2024，25，3： | 0 |
| 8 | Erratum to: A visual analysis approach for data imputation via multi-party tabular data correlation strategies显示文摘 | Haiyang ZHU Dongming HAN Jiacheng PAN Yating WEI Yingchaojie FENG Luoxuan WENG Ketian MAO Yuankai XING Jianshu LV Qiucheng WAN Wei CHEN | 2024 | Frontiers of Information Technology & Electronic Engineering2024，25，3： | 0 |
| 9 | A Peridynamic Model for the Dynamics of Defects with Asymmetric Potential Wells显示文摘The peridynamic model of a solid is suitable for studying the dynamics of defects in materials.We use the bond-based peridynamic theory to propose a one-dimensional nonlocal continuum model to study a defect in equilibrium and in steady propagation.As the defect propagates,the material particles undergo a transition between two states.By using the Wiener–Hopf method,an explicit analytical solution of the problem is obtained.The relation between the applied force and the propagation speed of the defect is determined;our results show that the defect does not propagate if the applied force is less than a critical value,whereas propagation occurs when the force exceeds that value.The energy properties of the system are investigated. | Jiacheng Xing Jianxiang Wang Linjuan Wang | 2021 | Acta Mechanica Solida Sinica2021，34，6： | 0 |
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