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| 1 | Carbon and nitrogen pools in different aggregates of a Chinese Mollisol as influenced by long-term fertilization显示文摘 | Ying Chen Xudong Zhang Hongbo He Hongtu Xie Ying Yan Ping Zhu Jun Ren Lichun Wang | 2010 | Journal of Soils and Sediments2010，，6： | 3 |
| 2 | Crystallographic orientation dependence on nanoscale friction behavior of energetic β-HMX crystal显示文摘Tribology behaviors of energetic crystals play critical roles in the friction-induced hotspot in highenergy explosive,however,the binder and energetic crystals are not distinguished properly in previous investigations.In this study,for the first time,the nanoscale friction ofβ-octahydro-1,3,5,7-tetranitro1,3,5,7-tetrazocine(β-HMX)crystal is studied with nanoscratch tests under the ramping load mode.The results show that the nanoscale friction and wear ofβ-HMX crystal,as a typical energetic material,is highly depended on the applied load.The friction coefficient ofβ-HMX crystal is initially high when no discernible wear is observed,and then it decreases to a stable value which varies from~0.2 to~0.7,depending on the applied load,scratch direction,and crystal planes.Theβ-HMX(011)surfaces show weakly friction and wear anisotropy behavior;in contrast,theβ-HMX(110)surfaces show strongly friction and wear anisotropy behavior where the friction coefficient,critical load for the elastic–plastic deformation transition and plastic–cracking deformation transition,and deformation index at higher normal load are highly depended on the scratch directions.Further analyses indicate the slip system and direction ofβ-HMX surfaces play key roles in determining the nanoscale friction and wear ofβ-HMX surfaces.The obtained results can provide deeper insight into the friction and wear of energetic crystal materials. | Ying YIN Hongtao LI Zhihong CAO Binghong LI Qingshan LI Hongtu HE Jiaxin YU | 2023 | Friction2023，11，12： | 2 |
| 3 | Quantitative analysis of the tribological properties of phosphate glass at the nano- and macro-scales显示文摘Processing(grinding,polishing)of phosphate laser(PL)glass involves material removal at two vastly different(spatial)scales.In this study,the nano‐and macro‐tribological properties of PL glass are investigated by rubbing the glass against a SiO_(2) counter‐surface in both dry and humid conditions.The results indicate that the friction of the PL glass/SiO_(2) pair has opposing trends at the nano‐and macroscales.At the nanoscale,the friction coefficient(COF)in humid air is much higher than in dry air,which is attributed to the capillary effect of the absorbed water‐film at the interface.At the macroscale,on the other hand,the COF in humid air is lower than in dry air,because the water‐related mechanochemical wear makes the worn surface less susceptible to cracking.Material removal for PL glass is better facilitated by humid air than by dry air at both scales,because the stress‐enhanced hydrolysis accelerates the material‐removal process in glass.Moreover,the material‐removal is more sensitive to contact pressure at the macroscale,because stronger mechanical‐interaction occurs during material removal at the macroscale with the multi asperity contact mode.At the macroscale,the material removal is more sensitive to contact pressure in humid air compared to dry air.Because almost all mechanical energy is used to remove material in humid air,and most of the mechanical energy is used to produce cracks in PL glass in dry air.The results of this study can help optimize the multi‐scale surface processing of optical glasses. | Huimin QI Wen HU Hongtu HE Yafeng ZHANG Chenfei SONG Jiaxin YU | 2021 | Friction2021，9，5： | 1 |
| 4 | Temporal responses of soil microorganisms to substrate addition as indicated by amino sugar differentiation显示文摘 | Hongbo He Wei Zhang Xudong Zhang Hongtu Xie Jie Zhuang | 2011 | Soil Biology and Biochemistry2011，，6： | 1 |
| 5 | Dynamics of fertilizer-derived organic nitrogen fractions in an arable soil during a growing season显示文摘 | Huijie Lü Hongbo He Jinsong Zhao Wei Zhang Hongtu Xie Guoqing Hu Xiao Liu Yeye Wu Xudong Zhang | 2013 | 2013 (1-2)2013，，1： | 1 |
| 6 | Dynamics of fertilizer-derived organic nitrogen fractions in an arable soil during a growing season显示文摘 | Huijie Lü Hongbo He Jinsong Zhao Wei Zhang Hongtu Xie Guoqing Hu Xiao Liu Yeye Wu Xudong Zhang | 2013 | Plant and Soil (-)2013，，1： | 1 |
| 7 | Polarity-activated super-resolution imaging probe for the formation and morphology of amyloid fibrils显示文摘The formation of amyloid plaques usually occurs in the early-stage of Alzheimer’s disease(AD).Stimulated emission depletion(STED)imaging provided a powerful tool for visualizing amyloid structures on the nanometer scale.However,many commercial probes adopted in detecting amyloid fibrils are inapplicable to STED imaging,owing to their unmatched absorption and emission wavelengths,small Stokes'shift,easy photo-bleaching,etc.Herein,we demonstrated a polarity-activated STED probe based on an intramolecular charge transfer donor(D)-7c-acceptor(A)compound.The electron-rich carbazole group and the electron-poor pyridinium bromide group,linked by 7i-conjugated thiophen-bridge,ensure strong near infrared(NIR)emission with a Stokes'shift larger than 200 nm.The tiny change in polarity before and after binding with amyloid plaques leads to a transition from weakly emission charge-transfer(CT)state(Φ<0.04)to highly emissive locally-excited(LE)state(Φ=0.57),giving rise to a fluorescence Turn-On probe.Together with large Stokes'shift,good photostability and high depletion efficiency,the super-resolution imaging of the formation and morphology of amyloid fibrils in vitro based on this probe was realized with a lateral spatial resolution better than 33 nm at an extremely low depletion power.Moreover,the ex-vivo super-resolution imaging of(E)-1-butyl-4(2-(5-(9-ethyl-9Hcarbazol-3-yl)thiophen-2-yl)vinyl)pyridinium bromide(CTPB)probe in Aβ plaques in the brain slices of a Tg mouse was demonstrated.This research provides a demonstration of the super resolution imaging probe of amyloid fibrils based on polarity-response mechanism,providing a new approach to the development of future amyloid probes. | Zheng Lv Li Li Zhongwei Man Zhenzhen Xu Hongtu Cui Rui Zhan Qihua He Lemin Zheng Hongbing Fu | 2020 | Nano Research2020，13，9： | 0 |
| 8 | Feature-based Quality Assessment of Middle Cerebral Artery Occlusion Using 18F-Fluorodeoxyglucose Positron Emission Tomography显示文摘In animal experiments,ischemic stroke is usually induced through middle cerebral artery occlusion(MCAO),and quality assessment of this procedure is crucial.However,an accurate assessment method based on 18F-fluorodeoxyglucose(FDG)positron emission tomography(PET)is still lacking.The difficulty lies in the inconsistent preprocessing pipeline,biased intensity normalization,or unclear spatiotemporal uptake of FDG.Here,we propose an image feature-based protocol to assess the quality of the procedure using a 3D scale-invariant feature transform and support vector machine.This feature-based protocol provides a convenient,accurate,and reliable tool to assess the quality of the MCAO procedure in FDG PET studies.Compared with existing approaches,the proposed protocol is fully quantitative,objective,automatic,and bypasses the intensity normalization step.An online interface was constructed to check images and obtain assessment results. | Wuxian He Hongtu Tang Jia Li Chenze Hou Xiaoyan Shen Chenrui Li Huafeng Liu Weichuan Yu | 2022 | Neuroscience Bulletin2022，38，9： | 0 |
| 9 | New Features of Int'l Energy Security Situation显示文摘In recent years, energy security has shown some new features. He-nce all countries of the world must adjust their strategy tosafeguard their energy security. | Dr. Zhao Hongtu is Associate Research Professor and Deputy Director of the Institute for World Economic Studies, CICIR. His major fields are energy security and international energy strategy. He has published many papers and books, and he is the co-editor and co-author of books of Chessboard of Global Energy and A Survey of International Strategic Resources. | 2005 | Contemporary International Relations2005，15，7： | 0 |
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