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| 1 | The constraints of strain partitioning and geochronology in Luonan-Luanchuan tectonic belts on Qinling orogenic belt显示文摘The Luonan-Luanchuan tectonic belt lies between the North China Block and Qinling Mountains, in- cluding the Luonan-Luanchuan fault zone and the strong deformation zone to the north of the fault. The ductile shear zone, imbricate brittle fault and duplex structure in the fault zone now are the expression of the same tectonic event in different depth. Such lineation structure exists in the tectonic belts as mineral lineation, elongation lineation, crenulation lineation, sheath folds and so on, indicating NE-directed plate motion. Fold axes and thrusts in the strong deformation zone are inclined to the Luonan-Luanchuan fault zone at small angles. The structures with different natures show a regular pattern, produced during oblique convergence of plates. The convergence factors are as follows:The direction of plate convergence is 22°, 31° and the angle between the plate convergence direction and plate boundary is 73°, 82° respectively in the west and east segment. The Luonan-Luanchuan tectonic belt was deformed strongly in 372 Ma, resulted from Erlangping back-arc ocean basin subduction sin- istrally and obliquely to North China Block during the collision of North China Block and South China Block. | SONG ChuanZhong ZHANG GuoWei WANG YongSheng LI JiaHao CHEN ZeChao CAI ZhiChuan | 2009 | Science China Earth Sciences2009,52,3: | 9 |
| 2 | Manipulating dielectric property of polymer coatings toward highretention-rate lithium metal full batteries under harsh critical conditions显示文摘Lithium(Li)metal batteries(LMBs)can potentially deliver much higher energy density but remain plagued by uncontrollable Li plating with dendrite growth,unstable interfaces,and highly abundant excess Li(>50 mAh·cm^(-2)).Herein,different from the artificial layer or three-dimensional(3D)matrix host constructions,various dielectric polymers are initially well-comprehensively investigated from experimental characterizations to theoretical simulation to evaluate their functions in modulating Li ion distribution.As a proof of concept,a 3D interwoven high dielectric functional polymer(HDFP)nanofiber network with polar C-F dipole moments electrospun on copper(Cu)foil is designed,realizing uniform and controllable Li deposition capacity up to 5.0 mAh·cm^(-2),thereby enabling stable Li plating/stripping cycling over 1400 h at 1.0 mA·cm^(-2).More importantly,under the highcathode loading(~3.1 mAh·cm^(-2))and only 0.6×excess Li(N/P ratio of 1.6),the full cells retain capacity retention of 97.4%after 200 cycles at 3.36 mA·cm^(-2)and achieve high energy density(297.7 Wh·kg^(-1)at cell-level)under lean electrolyte conditions(15μL),much better than ever-reported literatures.Our work provides a new direction for designing high dielectric polymer coating toward high-retention-rate practical Li full batteries. | Qi Kang Zechao Zhuang Yong Li Yinze Zuo Jian Wang Yijie Liu Chaoqun Shi Jie Chen Hongfei Li Pingkai Jiang Xingyi Huang | 2023 | Nano Research2023,16,7: | 3 |
| 3 | Dislocation-strained MoS_(2)nanosheets for high-efficiency hydrogen evolution reaction显示文摘Defect engineering is one of the effective strategies to optimize the physical and chemical properties of molybdenum disulfide(MoS_(2))to improve catalytic hydrogen evolution reaction(HER)performance.Dislocations,as a typical defect structure,are worthy of further investigation due to the versatility and sophistication of structures and the influence of local strain effects on the catalytic performance.Herein,this study adopted a low-temperature hydrothermal synthesis strategy to introduce numerous dislocation-strained structures into the in-plane and out-of-plane of MoS_(2)nanosheets.Superior HER catalytic activity of 5.85 mmol·g^(−1)·h^(−1)under visible light was achieved based on the high-density dislocations and the corresponding strain field.This work paves a new pathway for improving the catalytic activity of MoS_(2)via a dislocation-strained synergistic modulation strategy. | Shihao Wang Longlu Wang Lingbin Xie Weiwei Zhao Xia Liu Zechao Zhuang YanLing Zhuang Jing Chen Shujuan Liu Qiang Zhao | 2022 | Nano Research2022,15,6: | 2 |
| 4 | Mechanical model of roof on stope and its analysis显示文摘 | Wang Hongwei Chen Zhonghui Du zechao | 2005 | Journal of Coal Science & Engineering2005,11,1: | 1 |
| 5 | Glycerol Electrooxidation over Precision-Synthesized Gold Nanocrystals with Different Surface Facets显示文摘Electrochemical glycerol oxidation(EGO)emerges as a promising route to valorize glycerol,an underutilized byproduct from biodiesel production,into value-added chemicals.This study employed three types of gold(Au)nanocrystals with controlled shapes to elucidate the facet-dependent electrocatalytic behavior in EGO.Octahedral,rhombic dodecahedral,and cubic Au nanocrystals with{111},{110},and{100}facets,respectively,were precisely synthesized with uniform size and shape.Rhombic dodecahedra exhibited the lowest onset potential for EGO due to facile AuOH formation,while octahedra showed enhanced electrochemical activity for glycerol oxidation and resistance to poisoning.In-situ FTIR analysis revealed that Au{111}surfaces selectively favored C_(2) products,whereas Au{100}surfaces promoted C_(3) product formation,highlighting the significant effect of facet orientation on EGO performance and informing catalyst design. | Hansen Mou Fang Lu Zechao Zhuang Qiaowan Chang Lihua Zhang Xiaobo Chen Yugang Zhang Jingguang G.Chen | 2024 | Precision Chemistry2024,2,3: | 0 |
| 6 | Revisited electrochemical gas evolution reactions from the perspective of gas bubbles显示文摘Electrochemical gas evolution reactions are common but essential in many electrochemical processes including water electrolysis.During these processes,gas bubbles are constantly nucleating on reaction interfaces in electrolyte and consequently exert an impact on catalysts and the performance.In the past few decades,extensive studies have been conducted to characterize bubbles with emerging advanced technologies,manage behaviors of bubbles,and apply bubbles to various domains.In this review,we summarize representative discoveries as well as recent advancements in electrochemical gas evolution reactions from the perspective of gas bubbles.Finally,we end up this review with a profound outlook on future research topics from the combination of experiments and theoretical techniques,non-negligible bubble effects,gravity-free situation,and reactions under practical industrial conditions. | Weinan Yin Yuntao Cai Lingbin Xie Hao Huang Enchi Zhu Junan Pan Jiaqi Bu Hao Chen Ye Yuan Zechao Zhuang Longlu Wang | 2023 | Nano Research2023,16,4: | 0 |
| 7 | Diverse atomic structure configurations of metal-doped transition metal dichalcogenides for enhancing hydrogen evolution显示文摘Doping foreign metal atoms into the substrate of transition metal dichalcogenides(TMDs)enables the formation of diverse atomic structure configurations,including isolated atoms,chains,and clusters.Therefore,it is very important to reasonably control the atomic structure and determine the structure-activity relationship between the atomic configurations and the hydrogen evolution reaction(HER)performance.Although numerous studies have indicated that doping can yield diverse atomic structure configurations,there remains an incomplete understanding of the relationship between atomic configurations within the lattice of TMDs and their performance.Here,diverse atomic structure configurations of adsorptive doping,substitutional doping,and TMDs alloys are summarized.The structure-activity relationship between different atomic configurations and HER performance can be determined by micro-nanostructure devices and density functional theory(DFT)calculations.These diverse atomic structure configurations are of great significance for activating the inert basal plane of TMDs and improving the catalytic activity of HER.Finally,we have summarized the current challenges and future opportunities,offering new perspectives for the design of highly active and stable metal-doped TMDs catalysts. | Longlu Wang Yuxin Zhang Chen Gu Haoxuan Yu Yanling Zhuang Zechao Zhuang | 2024 | Nano Research2024,17,5: | 0 |
| 8 | Pancreatic head cancer with gastrointestinal bleeding as the initial manifestation:a case report and literature review显示文摘Gastrointestinal bleeding(GIB)as the initial symptom is rare in patients with pancreatic cancer,which is prone to misdiagnosis and should be paid attention to by clinicians.Here,we present a patient with pancreatic head cancer whose first symptom was only severe upper gastrointestinal bleeding,which initially led to misdiagnosis.However,subsequent imaging revealed a mass in the pancreatic head which was considered a malignant tumor.After surgical resection,the pathology confirmed that the mass in the pancreatic head was pancreatic ductal adenocarcinoma,and the duodenal bulb’s full thickness was infiltrated.A literature review found that pancreatic cancer can present gastrointestinal bleeding by invading the digestive tract and blood vessels,left-sided portal hypertension(LSPH),digestive tract metastasis,and canceration of ectopic pancreatic tissue in the digestive tract.For these cases,clinicians should utilize multidisciplinary diagnosis and treatment based on digestive endoscopy,imaging,interventional therapy,and surgery to control bleeding,identify etiology,and remove tumors. | Minghui Zheng Zhiping Fu Ting Niu Anan Liu Danlei Chen Junfeng Peng Judong Li Zhiyuan Hao Qingyang Yu Zechao Lyu Chenghao Shao | 2023 | Journal of Pancreatology2023,6,3: | 0 |
| 9 | Characteristics Extraction of Vehicle State Information Based on Entropy Calculation显示文摘A method of extracting and detecting vehicle stability state characteristics based on entropy is proposed.The vehicle’s longitudinal and lateral dynamics models are established for complex driving and maneuver conditions.The corresponding state observer is designed by adopting the moving horizon estimation algorithm,which realizes the observation of the vehicle stability state considering the global state information.Meanwhile,the Shannon entropy is modified to approximate entropy,and the approximate entropy value of the observed vehicle state is calculated.Furthermore,the optimal controller is designed to further validate the reliability of the entropy value as the reference of control system.Simulation results demonstrate that this method can quickly detect the instability state of the system during the process of vehicle driving,which provides a reference for risk prediction and active control. | Zepeng Gao Zheng Liu Sizhong Chen Hongbin Ren Zechao Li Yong Chen | 2020 | Journal of Beijing Institute of Technology2020,29,2: | 0 |
| 10 | Strategies to accelerate bubble detachment for efficient hydrogen evolution显示文摘In the process of electrocatalytic water splitting, the management of gaseous products is an important task. Timely detachment of gaseous products from the electrode surface and the electrolyte is beneficial to the reduction of energy consumption of the electrolytic cell. In the existing industrial electrolytic cells, the circulating pump drives the electrolyte flowing to discharge the gaseous products. Up to now, several much more advanced strategies have been explored to deal with the negative effects of bubbles. In this review, we summarized various strategies for bubble detachment, including electrode design, external field imposing and system upgrading. We also elaborated the principle, functional features, practicability, advantages and limitations of each method. Finally, challenges and perspectives are also provided for the further development of advanced bubbles detachment strategies for efficient hydrogen evolution. | Weinan Yin Lexing Yuan Hao Huang Yuntao Cai Junan Pan Ning Sun Qiyu Zhang Qianhe Shu Chen Gu Zechao Zhuang Longlu Wang | 2024 | Chinese Chemical Letters2024,35,1: | 0 |