|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Furfural Reduction via Hydrogen Transfer from Supercritical Methanol显示文摘Furfural derived from biomass hemicelluloses is an important intermediate for biofuels and chemicals. In order to further upgrade, furfural is usually reduced into 2-methyl furan that is more stable and useful. In this work, furfural was reduced by CuZnAl, CuMgAl, Cu2Cr2O5, CuNiAl as catalysts in a supercritical methanol without external H2 source. The best yield of 2-methyl furan was achieved among the H2 free furfural process reported as high as 74%. And the catalytic behaviors were discussed under difierent catalysts and temperatures conditions. | MA Fei LI Hengli JIANG Jiuxing | 2019 | Chemical Research in Chinese Universities2019，35，3： | 2 |
| 2 | Efficient,high power,Q-switched Nd:YLF slab laser end-pumped by diode stack显示文摘 | Li Daijun Shi Peng | 2005 | Optics Communications2005，250，13： | 1 |
| 3 | An 110 W Nd:YVO4 slab laser with high beam quality output显示文摘 | Li Daijun Zhang Hengli | 2004 | Optics Communications2004，229，16： | 1 |
| 4 | An 110W Nd:YVO4 slab laser with high beam quality output显示文摘 | Shi Peng Li Dianjun Zhang Hengli | 2004 | Optics Communications2004，229，： | 1 |
| 5 | Diode end-pumped high power Nd:YVO4 slab laser 显示文摘 | Shi Peng Zhang Hengli Li Daijun | 2002 | Proceedings of SPIE- the International Society for Optical Engineering2002，4914，： | 1 |
| 6 | The Significance and Implication of Teaching Derivational Morphology for Chinese L2 Learners显示文摘 | LI Hengli | 2018 | US-China Foreign Language2018，16，7： | 0 |
| 7 | Effect of Cu addition on the microstructure and tribological performance of Ni60 directional structure coating显示文摘The Ni60/15wt% Cu directional structure coating was prepared by the composite technology of flame spraying, induction remelting,and forced cooling, and the effect of Cu on the microstructure, phase, hardness, and wear performance of Ni60 coatings was investigated. Results showed that Cu addition makes the microstructure of Ni60 directional structure coating more compact, and Cu is mainly enriched within the crystal grain, resulting in the formation of Cu_(3.8)Ni as the bonding phase. Compared with Ni60 directional structure coating, Ni60/Cu directional structure coating has a lower hardness, lower friction coefficient, and lower wear rate, which indicate that Cu can effectively enhance the antifriction performance of Ni60 directional structure coating. | Xiaotian Yang Xinhua Wang Jun Zhou Hengli Wei Rong Zeng Wensheng Li | 2023 | International Journal of Minerals,Metallurgy and Materials2023，30，4： | 0 |
| 8 | Applying project‐based learning in artificial intelligence and marine discipline:An evaluation study on a robotic sailboat platform显示文摘intelligence is penetrating various fields.The demand for interdisciplinary talent is increasingly important,while interdisciplinary educational activities for high school students are lagging behind.Project‐based learning(PBL)in artificial intelligence(AI)and robotic education activities supported by a robotic sailboat platform,the sailboat test arena(STAr),has been shown to popularise AI and robotic knowledge in young students.In the implementation of the programme,PBL was provided for students,and gamification pedagogy was applied to increase participants'learning motivation and engagement.The results show that the proposed STAr‐based programme is capable of delivering the desired knowledge and skills to students at high school levels.The assessment results suggest that most students achieve learning outcomes on average.Students showed more interest in AI and marine disciplines and were willing to participate in more such educational programs.The findings fill the research gap that few existing education platforms have facilitated the teaching and learning of AI and marine disciplines for high school students. | Xiongwei Lin Hengli Liu Qinbo Sun Xiuhan Li Huihuan Qian Zhenglong Sun Tin Lun Lam | 2022 | IET Cyber-Systems and Robotics2022，4，2： | 0 |
| 9 | Continuous and fast magneto-ionic control of magnetism in Ta/Co/ BiFeO_(3)/SrRuO_(3) multiferroic heterostructure显示文摘Room temperature electric field controlled magnetism is extremely promising for the next-generation high-performance spintronic devices.Here,based on the ferroelectric switching driven oxygen ion migration in the Ta/Co/BiFeO_(3)/SrRuO_(3) heterostructures,the magnetic moment,magnetic coercive field,exchange bias field,and junction resistance are reversibly manipulated by tuning the ferroelectric polarization of the BiFeO_(3) layer.All these phenomena are consistently explained by the oxygen ion migration induced CoOx/Co redox effect,which is evidenced by the synchrotron X-ray absorption spectroscopy measurements.Interestingly,owing to the controllable ferroelectric switching dynamics of the BiFeO_(3) thin film,the magnetic coercive field of the Co thin film can be continuously and precisely tuned by controlling the ferroelectric polarization of the BiFeO_(3) thin film,and the manipulating speed of the voltage control of magnetism can be fast to 100 ns.This nonvolatile,stable,reversible,fast,and reproducible voltage control of magnetism shows great potential for designing low-power and high-speed spintronics. | Zhiwei Chen Haoyang Sun Xiang Zhou Hengli Duan Wensheng Yan Yuewei Yin Xiaoguang Li | 2022 | Journal of Materiomics2022，8，6： | 0 |
| 10 | Pre-reduction of WO_(3)-Co_(3)O_(4)by H_(2)-C_(2)H_4 in a fluidized bed显示文摘In order to avoid the formation ofηphase(W_(6)Co_(6)C or W_(3)Co_(3)C)that adversely affects the sintering process and its products in the preparation process of ultra-fine WC-Co powder,a technical route of prereduction of WO_(3)-Co_(3)O_(4)to WO_(2)-Co and then deep reduction carbonization to WC-Co powder has been proposed.This study mainly investigates the influence of gas partial pressure on the pre-reduction process of WO_(3)-Co_(3)O_(4)under a mixed atmosphere of H_(2)-C_(2)H_(4)-Ar at 600℃and establishes the kinetic equations of pre-reduction and carbon evolution.The results indicate that increasing the partial pressure of hydrogen is conducive to the rapid and complete conversion of WO_(3) to WO_(2).High carbon content can be generated by the deposition of C_(2)H_(4),and it hinders the diffusion of the reducing gas;WO_(3)still cannot be completely reduced to WO_(2)as the partial pressure of C_(2)H_(4) increases to 60%.For the carbon evolution of C_(2)H_(4),the carbon amount is positively related to the H_(2)partial pressure,but it shows the highest amount and evolution rate when the ethylene partial pressure is 20%.Based on the reduction rate curves of WO_(3) and carbon evolution rate curves of C_(2)H_(4),the rate equations of pre-reduction and carbon evolution of WO_(3)-Co_(3)O_(4)system at 600℃are established.The pre-reduction reaction belongs to the first-order reaction,and its equation is expressed as follows:r=-(dw_(WO_(3)))/dt=(9±0.15)×10^(-2)×P_(H_(2))^(0.44)P_(C_(2)H_(4))&(0.57)The carbon deposition rate equation of C_(2)H_(4) can be expressed as follows:r=-(dc_C)/dt=r_f-r_b≌7.35×10^(-2)×P_(C_(2)H_(4))^(0.31) | Huijun Shang Hengli Li Weijun Li Feng Pan Zhan Du | 2024 | Chinese Journal of Chemical Engineering2024，66，2： | 0 |
| 11 | Sulfur-vacancy-tunable interlayer magnetic coupling in centimeter-scale M0S2 bilayer显示文摘Endowing bilayer transition-metal dichalcogenides(TMDs)with tunable magnetism is significant to investigate the coupling of multiple electron degrees of freedom(DOFs).However,effectively inducing and tuning the magnetic interaction of bilayer TMDs are still challenges.Herein,we report a strategy to tune the interlayer exchange interaction of centimeter-scale MoS2 bilayer with substitutional doping of Co ion,by introducing sulfur vacancy(V_(s))to modulate the interlayer electronic coupling.This strategy could transform the interlayer exchange interaction from antiferromagnetism(AFM)to ferromagnetism(FM),as revealed by the magnetic measurements.Experimental characterizations and theoretical calculations indicate that the enhanced magnetization is mainly because the hybridization of Co 3d band and Vs-induced impurity band alters the forms of interlayer orbital hybridizations between the partial Co atoms in upper and lower layers,and also enhances the intralayer FM.Our work paves the way for tuning the interlayer exchange interaction with defects and could be extended to other two-dimensional(2D)magnetic materials. | Hengli Duan Guinan Li Hao Tan Chao Wang Qian Li Chuanchuan Liu Yuewei Yin Xiaoguang Li Zeming Qi Wensheng Yan | 2022 | Nano Research2022，15，2： | 0 |
| 12 | Lipocalin-2-Mediated Insufficient Oligodendrocyte Progenitor Cell Remyelination for White Matter Injury After Subarachnoid Hemorrhage via SCL22A17 Receptor/Early Growth Response Protein 1 Signaling显示文摘Insufficient remyelination due to impaired oligodendrocyte precursor cell(OPC)differentiation and maturation is strongly associated with irreversible white matter injury(WMI)and neurological deficits.We analyzed whole transcriptome expression to elucidate the potential role and underlying mechanism of action of lipocalin-2(LCN2)in OPC differentiation and WMI and identified the receptor SCL22A17 and downstream transcription factor early growth response protein 1(EGR1)as the key signals contributing to LCN2-mediated insufficient OPC remyelination.In LCN-knockdown and OPC EGR1 conditional-knockout mice,we discovered enhanced OPC differentiation in developing and injured white matter(WM);consistent with this,the specific inactivation of LCN2/SCl22A17/EGR1 signaling promoted remyelination and neurological recovery in both atypical,acute WMI due to subarachnoid hemorrhage and typical,chronic WMI due to multiple sclerosis.This potentially represents a novel strategy to enhance differentiation and remyelination in patients with white matter injury. | Qiang Li Xufang Ru Yang Yang Hengli Zhao Jie Qu Weixiang Chen Pengyu Pan Huaizhen Ruan Chaojun Li Yujie Chen Hua Feng | 2022 | Neuroscience Bulletin2022，38，12： | 0 |
| 13 | Highly exposed NiFeO_(x) nanoclusters supported on boron doped carbon nanotubes for electrocatalytic oxygen evolution reaction显示文摘The development of efficient and cost-effective electrocatalysts for oxygen evolution reaction(OER) is crucial for the overall water splitting. Herein, we prepared a highly exposed NiFeO_(x) ultra-small nanoclusters supported on boron-doped carbon nonotubes catalyst, which achieves a 10 mA/cm^(2) anodic current density at a low overpotential of 213 mV and the Tafel slope of 52 mV/dec in 1.0 mol/L KOH, superior to the pristine NiFeO_(x)-CNTs and other state-of-the-art OER catalysts in alkaline media. A combination study(XPS, sXAS and XAFS) verifies that the local atomic structure of Ni and Fe atoms in the nanoclusters are similar to NiO and Fe_(2)O_(3), respectively, and the B atoms which are doped into the crystal lattice of CNTs leads to the optimization of Ni 3d egorbitals. Furthermore, in-situ X-ray absorption spectroscopies reveal that the high valence state of Ni atoms are served as the real active sites. This work highlights that the precise control of highly exposed multicomponent nanocluster catalysts paves a new way for designing highly efficient catalysts at the atomic scale. | Liyang Lv Bing Tang Qianqian Ji Na Li Yao Wang Sihua Feng Hengli Duan Chao Wang Hao Tan Wensheng Yan | 2023 | Chinese Chemical Letters2023，34，3： | 0 |
您所在的机构暂未开通此部分的功能，请联系管理员