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| 1 | Dynamic impact experiment and response characteristics analysis for 1:2 reduced-scale model of hydraulic support显示文摘It is significant to research the impact resistance properties of hydraulic support due to its key support role in the fully mechanized mining face.However,it is difficult for the entire hydraulic support to implement the impact experiment underground and analyze the response characteristic.Therefore,a dynamic impact experiment for the entire hydraulic support was proposed in this paper,where a 1:2 reducedscale model of hydraulic support was designed and its response characteristics under dynamic impact load were analyzed.Firstly,a comprehensive monitoring scheme was proposed to achieve an effective monitoring for dynamic response of hydraulic support.Secondly,a multi-scale impact experiment was carried out for the entire hydraulic support and dynamic behaviors of hydraulic support under the multi-scale impact load were revealed by experimental data.Then a dynamic impact experiment of the entire hydraulic support was simulated in ADAMS with the same experiment conditions,and the experimental and simulation data were verified mutually.Finally,the characteristics of energy conversion and dissipation of the entire experiment system after impact were analyzed.The experiment results showed that the impact resistance properties of hydraulic support largely depended on the initial support conditions and different vertical rigidities affected energy distribution proportion of the entire support system. | Huaiwei Ren Desheng Zhang Shixin Gong Kai Zhou Chenyang Xi Ming He Tijian Li | 2021 | International Journal of Mining Science and Technology2021，31，3： | 5 |
| 2 | Genomic footprints of wheat evolution in China reflected by a Wheat660K SNP array显示文摘Common wheat(Triticum aestiuum L.)is one of the most important crops because it provides about 20%of the total calories for humans.T.aestiuum is an excellent modern species for studying concerted evolution of sub-genomes in polyploid species,because of its large chromosome size and three well-known genome donors.Establishment of common wheat genome reference sequence and development of high-density SNP chips provide an excellent foundation to answer questions of wheat evolution and breeding at the genomic level.By genotyping more than 600 accessions of common wheat and their diploid and tetraploid ancestors using a Wheat660 K SNP array,we found dramatic genome changes due to tetraploidization and hexaploidization,in contrast to weaker influences of domestication and breeding on them.Further,since common wheat was introduced in China in 1500 BCE,Chinese landraces formed two subgroups(T.aestiuum-L1 and T.aestiuum-L2)with considerably diverse geographic distributions and agronomic traits.T.aestiuum-L2,mainly distributed in central and east China is found to have more but smaller oval grains with early maturity characteristics.We found that variation and selection in intergenic regions of the A and B sub-genomes dominated this differentiation,in which chromosomes 7 A and 3 B took the leading roles due to the existence of putative genes related to defense responses and environmental adaption in the highly differentiated regions.Large haplotype blocks were detected on 3 B(232.6-398.3 Mb)and 7 A(211.7-272.9 Mb)in the landraces,forming two distinct haplotypes,respectively.We discovered that artificial crosses in breeding promoted recombination in the whole genome,however,this recombination and differentiation was highly asymmetric among the three sub-genomes in homoeologous regions.In addition,we found that the wide use of European and northern American cultivars in breeding at early era,led dramatic changes in Chinese wheat genome,whereas,the recent breeding functioned to optimize it.This study will provide the insight for reconsideration of wheat evolution and breeding,and a new strategy for parent selection in breeding. | Zhiwei Wang Chenyang Hao Jing Zhao Chang Li Chengzhi Jiao Wei Xi Jian Hou Tian Li Hongxia Liu Xueyong Zhang | 2021 | The Crop Journal2021，9，1： | 2 |
| 3 | Unraveling Passivation Mechanism of Imidazolium-Based Ionic Liquids on Inorganic Perovskite to Achieve Near-Record-Efficiency CsPbI_(2)Br Solar Cells显示文摘The application of ionic liquids in perovskite has attracted wide-spread attention for its astounding performance improvement of perovskite solar cells(PSCs).However,the detailed mechanisms behind the improvement remain mysterious.Herein,a series of imidazolium-based ionic liquids(IILs)with different cations and anions is systematically investigated to elucidate the passivation mechanism of IILs on inorganic perovskites.It is found that IILs display the following advantages:(1)They form ionic bonds with Cs^(+)and Pb^(2+)cations on the surface and at the grain boundaries of perovskite films,which could effectively heal/reduce the Cs^(+)/I−vacancies and Pb-related defects;(2)They serve as a bridge between the perovskite and the hole-transport-layer for effective charge extraction and transfer;and(3)They increase the hydrophobicity of the perovskite surface to further improve the stability of the CsPbI_(2)Br PSCs.The combination of the above effects results in suppressed non-radiative recombination loss in CsPbI_(2)Br PSCs and an impressive power conversion efficiency of 17.02%.Additionally,the CsPbI_(2)Br PSCs with IILs surface modification exhibited improved ambient and light illumination stability.Our results provide guidance for an indepth understanding of the passivation mechanism of IILs in inorganic perovskites. | Jie Xu Jian Cui Shaomin Yang Yu Han Xi Guo Yuhang Che Dongfang Xu Chenyang Duan Wenjing Zhao Kunpeng Guo Wanli Ma Baomin Xu Jianxi Yao Zhike Liu Shengzhong Liu | 2022 | Nano-Micro Letters2022，14，1： | 1 |
| 4 | Mesh-like vertical structures enable both high areal capacity and excellent rate capability显示文摘In order to balance electrochemical kinetics with loading level for achieving efficient energy storage with high areal capacity and good rate capability simultaneously for wearable electronics,herein,2 D meshlike vertical structures(NiCo_2 S_4@Ni(OH)_2) with a high mass loading of 2.17 mg cm^(-2) and combined merits of both 1 D nanowires and 2 D nanosheets are designed for fabricating flexible hybrid supercapacitors.Particularly,the seamlessly interconnected NiCo_2 S_4 core not only provides high capacity of 287.5 μAh cm^(-2) but also functions as conductive skeleton for fast electron transport;Ni(OH)_2 sheath occupying the voids in NiCo_2 S_4 meshes contributes extra capacity of 248.4 μAh cm^(-2);the holey features guarantee rapid ion diffusion along and across NiCO_2 S_4@Ni(OH)_2 meshes.The resultant flexible electrode exhibits a high areal capacity of 535.9 μAh cm^(-2)(246.9 mAh g^(-1)) at 3 mA cm^(-2) and outstanding rate performance with 84.7% retention at 30 mA cm^(-2),suggesting efficient utilization of both NiCo_2 S_4 and Ni(OH)_2 with specific capacities approaching to their theoretical values.The flexible solid-state hybrid device based on NiCo_2 S_4@Ni(OH)_2 cathode and Fe_2 O_3 anode delivers a high energy density of 315 μWh cm^(-2) at the power density of 2.14 mW cm^(-2) with excellent electrochemical cycling stability. | Ruyi Chen Jialu Xue Yujiao Gong Chenyang Yu Zengyu Hui Hai Xu Yue Sun Xi Zhao Jianing An Jinyuan Zhou Qiang Chen Gengzhi Sun Wei Huang | 2021 | Journal of Energy Chemistry2021，30，2： | 1 |
| 5 | Electrodeposition of a dendrite-free 3D Al anode for improving cycling of an aluminum-graphite battery显示文摘Aluminum-metal batteries show great potential as next-generation energy storage due to their abundant resources and intrinsic safety.However,the crucial limitations of metallic Al anodes,such as dendrite and corrosion problems in conventional aluminum-metal batteries,remain challenging and elusive.Here,we report a novel electrodeposition strategy to prepare an optimized 3D Al anode on carbon cloth with an uniform deposition morphology,low local current density,and mitigatory volume change.The symmetrical cells with the 3D Al anode show superior stable cycling(>450 h)and low-voltage hysteresis(~170 mV)at 0.5 mA cm^(−2).High reversibility(~99.7%)is achieved for the Al plating/stripping.The graphite||Al‐4/CC full batteries show a long lifespan of 800 cycles with 54 mAh g^(−1) capacity at a high current density of 1000 mA g^(−1),benefiting from the high capacitive-controlled distribution.This study proposes a novel strategy to design 3D Al anodes for metallic-Al-based batteries by eliminating the problems of planar Al anodes and realizing the potential applications of aluminum-graphite batteries. | Junfeng Li Kwan San Hui Shunping Ji Chenyang Zha Chengzong Yuan Shuxing Wu Feng Bin Xi Fan Fuming Chen Zongping Shao Kwun Nam Hui | 2022 | Carbon Energy2022，4，2： | 1 |
| 6 | Unconventional energetics of small vacancy clusters in BCC high-entropy alloy Nb_(0.75)ZrTiV_(0.5)显示文摘The stability of small vacancy clusters including divacancy,trivacancy and tetravacancy has been studied in body-centered cubic high-entropy alloy Nb_(0.75)ZrTiV_(0.5) in structures of random solid solution and short-range order by first-principles calculations and molecular dynamics simulations.Different from conventional body-centered cubic metals,the tightly bound configurations have a lower structural stability and are not preferred energetically in the studied high-entropy alloy.Instability of vacancy configurations leads to vacancy-atom exchanges that favor less compact configurations.The formation energy of small vacancy clusters is much smaller than its constituent elements of Nb and V due to the large structural adjustment induced by severe local lattice distortion.The difference in local lattice distortion and elemental arrangement in the vacancy neighborhood leads to significant site-to-site variation in vacancy cluster energy and configuration.The formation energy has a strong correlation with the local energy state of the vacancy configuration and the extent of structural relaxation.Compared to random solid solution,the structure of short-range order has a higher stability for the most compact cluster configurations and tends to have higher vacancy cluster formation energy.According to classical molecular dynamics simulations of cluster diffusion at high temperature,the studied high-entropy alloy has a higher probability of cluster dissociation compared to Nb and V.The unconventional energetics of small vacancy clusters is expected to have a profound impact on their generation,diffusion,dissociation,coalescence,as well as the defect microstructure evolution during irradiation. | Tan Shi Xi Qiu Yundi Zhou Sixin Lyu Jing Li Dan Sun Qing Peng Yong Xin Chenyang Lu | 2023 | Journal of Materials Science & Technology2023，，15： | 0 |
| 7 | Cohort profile: design and methods of the Chinese colorectal, breast, lung, liver, and stomach cancer screening trial(C-BLAST)显示文摘Given the rapid changes in social structure(urbanization),economic structure(industrialization),and demographic structure(population aging)in China,cancer has become a major public health problem1.Extensive evidence has indicated that screening can decrease cancer mortality,particularly among high-risk groups,and several representative national and regional cancer screening programs have been launched in China to cope with the increasing burden of cancer. | Yubei Huang Zhangyan Lyu Yu Zhang Xiaomin Liu Yacong Zhang Ya Liu Chao Sheng Hongyuan Duan Zeyu Fani Chenyang Li Xiao Lin Zhuowei Feng Lu Zheng Zhaoxiang Ye Hong Lu Ying Zhu Dejun Zhou Xi Wei Li Ren Bin Meng Fangfang Song Fengju Song Kexin Chen | 2023 | Cancer Biology & Medicine2023，20，10： | 0 |
| 8 | Chemical Scissors Tailored Nano‑Tellurium with High‑Entropy Morphology for Efficient Foam‑Hydrogel‑Based Solar Photothermal Evaporators显示文摘The development of tellurium(Te)-based semiconductor nanomaterials for efficient light-to-heat conversion may offer an effective means of harvesting sunlight to address global energy concerns.However,the nanosized Te(nano-Te)materials reported to date suffer from a series of drawbacks,including limited light absorption and a lack of surface structures.Herein,we report the preparation of nano-Te by electrochemical exfoliation using an electrolyzable room-temperature ionic liquid.Anions,cations,and their corresponding electrolytic products acting as chemical scissors can precisely intercalate and functionalize bulk Te.The resulting nano-Te has high morphological entropy,rich surface functional groups,and broad light absorption.We also constructed foam hydrogels based on poly(vinyl alcohol)/nano-Te,which achieved an evaporation rate and energy efficiency of 4.11 kg m^(−2)h^(−1)and 128%,respectively,under 1 sun irradiation.Furthermore,the evaporation rate was maintained in the range 2.5-3.0 kg m^(−2)h^(−1)outdoors under 0.5-1.0 sun,providing highly efficient evaporation under low light conditions. | Chenyang Xing Zihao Li Ziao Wang Shaohui Zhang Zhongjian Xie Xi Zhu Zhengchun Peng | 2024 | Nano-Micro Letters2024，16，3： | 0 |
| 9 | TabHLH95-TaNF-YB1 module promotes grain starch synthesis in bread wheat显示文摘Starch is the most abundant substance in wheat(Triticum aestivum L.)endosperm and provides the major carbohydrate energy for human daily life.Starch synthesis-related(SSR)genes are believed to be spatiotemporally specific,but their transcriptional regulation remains unclear in wheat.Here,we investigate the role of the basic helix-loop-helix(bHLH)transcription factor TabHLH95 in starch synthesis.TabHLH95 is preferentially expressed in the developing grains in wheat and encodes a nucleus localized protein without autoactivation activity.The Tabhlh95 knockout mutants display smaller grain size and less starch content than wild type,whereas overexpression of TabHLH95 enhances starch accumulation and significantly improves thousand grain weight.Transcriptome analysis reveals that the expression of multiple SSR genes is significantly reduced in the Tabhlh95 mutants.TabHLH95 binds to the promoters of ADP-glucose pyrophosphorylase large subunit 1(AGPL1-1D/-1B),AGPL2-5D,and isoamylase(ISA1-7D)and enhances their transcription.Intriguingly,TabHLH95 interacts with the nuclear factor Y(NF-Y)family transcription factor TaNF-YB1,thereby synergistically regulating starch synthesis.These results suggest that the TabHLH95-TaNF-YB1 complex positively modulates starch synthesis and grain weight by regulating the expression of a subset of SSR genes,thus providing a good potential approach for genetic improvement of grain productivity in wheat. | Yunchuan Liu Wei Xi Xiaolu Wang Huifang Li Hongxia Liu Tian Li Jian Hou Xu Liu Chenyang Hao Xueyong Zhang | 2023 | Journal of Genetics and Genomics2023，50，11： | 0 |
| 10 | Transcriptome Profiling of Flower Development Reveals Key Genes Mediating Yellow Formation in Tree Peony显示文摘Tree peony cultivars with yellow flowers are rare and valuable,but the molecular mechanism of pigment accumulation is not clear.In this study,the petal transcriptome of three developmental stages were sequenced to determine the differentially expressed genes(DEGs)regulating yellow flowers color.The results showed that 10,842 and 12,022 DEGs were screened in stage 1 vs.stage 2 and in stage 2 vs.stage 3,respectively.Through analysis of flavonoid structural genes(FSGs),we found that the transcription level of DFR was very low in the three developmental stages.In a small group of cultivars,the DFR transcription level of red flowers was 862 times higher than that of yellow flowers.These data suggested that the flavonoid pathway is interrupted in the later stage due to the low transcriptional level of DFR,which limits the biosynthesis of anthocyanins in yellow flowers.The transcription levels of F3’H and FLS were upregulated from stage 1 to stage 2,while those of CHI and FLS were downregulated from stage 2 to stage 3.In addition,67 MYBs and 44 bHLHs showed similar transcription profiles with different members of FSGs.The results deepen our understanding of the molecular mechanism of yellow pigment accumulation in tree peony. | Yanzhao Zhang Chenyang Yu Xi Lu Yanwei Cheng | 2022 | Phyton-International Journal of Experimental Botany2022，91，11： | 0 |
| 11 | Influence of Ag substitution on thermoelectric properties of the quaternary diamond-like compound Zn_(2)Cu_(3)In_(3)Te_(8)显示文摘The quaternary diamond-like compounds,A_(2)Cu_(3)In_(3)Te_(8)(A=Cd,Zn,Mn,Mg),are a new class of thermoelectric materials recently proposed by complex structure design.Among them,the Zn_(2)Cu_(3)In_(3)Te_(8) compound possesses reasonable electrical transport properties but relatively high lattice thermal conductivity.Herein,the effects of Ag substitution on the phase stability and thermoelectric properties of Zn_(2)Cu_(3)In_(3)Te_(8) compound are reported.It is revealed that only the In sites show an appreciable tolerance for Ag doping.Ag substitution at the In sites introduces extra holes and thus results in improved electrical transport properties.Furthermore,the introducing of Ag lowers the sound velocities and enhances the phonon scattering of the Zn_(2)Cu_(3)In_(3)Te_(8) compound,which leads to a substantially reduction in lattice thermal conductivity.Finally,in virtue of the optimization in both electrical and thermal transport properties,the maximal zT value of Zn_(2)Cu_(3)In_(2.8)Ag_(0.2)Te_(8) sample reaches 0.62 at 823 K,which is 43%higher than the pristine sample. | Qidong Zhang Lili Xi Jiye Zhang Chenyang Wang Li You Shanshan Pan Kai Guo Zhili Li Jun Luo | 2021 | Journal of Materiomics2021，7，2： | 0 |
| 12 | Bone-inspired(GNEC/HAPAAm)hydrogel with fatigue-resistance for use in underwater robots and highly piezoresistive sensors显示文摘A novel bone-inspired fatigue-resistant hydrogel with excellent mechanical and piezoresistive properties was developed,and it exhibited great potential as a load and strain sensor for underwater robotics and daily monitoring.The hydrogel was created by using the high edge density and aspect ratio of graphene nanosheet-embedded carbon(GNEC)nanomaterials to form a three-dimensional conductive network and prevent the expansion of microcracks in the hydrogel system.Multiscale progressive enhancement of the organic hydrogels(micrometer scale)was realized with inorganic graphene nanosheets(nanometer scale).The graphene nanocrystals inside the GNEC film exhibited good electron transport properties,and the increased distances between the graphene nanocrystals inside the GNEC film caused by external forces increased the resistance,so the hydrogel was highly sensitive and suitable for connection to a loop for sensing applications.The hydrogels obtained in this work exhibited excellent mechanical properties,such as tensile properties(strain up to 1685%)and strengths(stresses up to 171 kPa),that make them suitable for use as elastic retraction devices in robotics and provide high sensitivities(150 ms)for daily human monitoring. | Chaoyang Lyu Bo Wen Yangzhen Bai Daning Luo Xin Wang Qingfeng Zhang Chenyang Xing Tiantian Kong Dongfeng Diao Xi Zhang | 2023 | Microsystems & Nanoengineering2023，9，4： | 0 |
| 13 | The Jahn-Teller Effect for Amorphization of Molybdenum Trioxide towards High-Performance Fiber Supercapacitor显示文摘Amorphous pseudocapacitive nanomaterials are highly desired in energy storage applications for their disordered crystal structures,fast electrochemical dynamics,and outstanding cyclic stability,yet hardly achievable using the state-of-the-art synthetic strategies.Herein,for the first time,high capacitive fiber electrodes embedded with nanosized amorphous molybdenum trioxide(A-MoO_(3)-x)featuring an average particle diameter of~20 nm and rich oxygen vacancies are obtained via a top-down method usingα-MoO_(3)bulk belts as the precursors.The Jahn-Teller distortion in MoO_(6)octahedra due to the doubly degenerate ground state of Mo5+,which can be continuously strengthened by oxygen vacancies,triggers the phase transformation ofα-MoO_(3)bulk belts(up to 30μm long and 500 nm wide).The optimized fibrous electrode exhibits among the highest volumetric performance with a specific capacitance(CV)of 921.5 F cm^(-3)under 0.3 A cm^(-3),endowing the fiber-based weaveable supercapacitor superior CV and EV(energy density)of 107.0 F cm^(-3)and 9.5 mWh cm^(-3),respectively,together with excellent cyclic stability,mechanical robustness,and rate capability.This work demonstrates a promising strategy for synthesizing nanosized amorphous materials in a scalable,cost-effective,and controllable manner. | Chenyang Yu Hai Xu Yujiao Gong Ruyi Chen Zengyu Hui Xi Zhao Yue Sun Qiang Chen Jinyuan Zhou Wenxin Ji Gengzhi Sun Wei Huang | 2021 | Research2021，，1： | 0 |
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