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Microfacies and diagenetic alteration in a semi-deep to deep lacustrine shale: The Yanchang Formation in the Ordos Basin, China

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Petroleum Science 2024年第3期21卷 1524-1538页

作者： Bin Bai Jing-Yue Hao ling fu Yu-Xi Liu Jian-Peng Wang Lan Wang Kevin GTaylor Lin Ma PetroChina Research Institute of Petroleum Exploration and Development Beijing100083China Department of Earth and Environmental Sciences University of ManchesterM139PLUK College of Earth Sciences Jilin UniversityChangchun130061jilinChina Department of Chemical Engineering University of ManchesterM139PLUK

The mineralogical development and diagenetic sequence of lacustrine shales in the Chang 7 Member of the Yanchang Formation in the Ordos Basin are detailed studied.A model of their depositional system and a diagenetic diagram are proposed in this *** detailed petrographic,mineralogical,and elemental analyses,four distinct shale types are identified:argillaceous shale,siliceous shale,calcareous shale,and carbonate,clay,and silt-bearing *** main diagenetic process in argillaceous shale is the transformation of illite to smectite,negatively impacting shale *** shale undergoes carbonate cementation and quartz dissolution,contributing to increased porosity,particularly in *** shale experiences diagenesis characterised by carbonate formation and dissolution,with a prevalence of *** carbonate,clay,and silt-bearing shale,the dissolution of K-feldspar contributes to illitization of *** shale,characterised by more clay minerals and lower mesopore volume,is identified as a potential hydrocarbon *** shale,with the highest pore volume and abundant inter-mineral pores,emerges as a promising shale oil *** findings contribute to a comprehensive understanding of shale properties,aiding in the prediction of shale oil exploration potential in the studied area.

关键词： Ordos Basin Yanchang Formation Chang 7 Member Diagenesis Microfacies

Orthogonal Aza-BODIPY–BODIPY dyad as heavy-atom free photosensitizer for photo-initiated antibacterial therapy

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Journal of Innovative Optical Health Sciences 2022年第1期15卷 128-140页

作者： Dongliang Yang Liguo Sun Lei Xue Xiaorui Wang Yanling Hu Jinjun Shao ling fu Xiaochen Dong Key Laboratory of Flexible Electronics(KLOFE)and Institute of Advanced Materials(IAM)School of Physical and Mathematical Sciences Nanjing Tech University(NanjingTech)Nanjing 211816 P.R.China Department of Radiology Binzhou Medical University Hospital Yantai 264100 P.R.China

Photodynamic antibacterial therapy shows great potential in bacterial infection and the reactive oxygen species(ROS)production of the photosensitizers is crucial for the therapeutic e®*** heavy atoms is a common strategy to enhance photodynamic performance,while dark toxicity can be induced to impede further clinical ***,a novel halogen-free photosensitizer Aza-BODIPY-BODIPY dyad NDB with an orthogonal molecular conguration was synthesized for photodynamic antibacterial *** absorption and emission peaks of NDB photosensitizer in toluene were observed at 703 nm and 744 nm,***°uorescence(FL)lifetime was measured to be 2.8 ns in *** 730 nm laser illumination,the ROS generation capability of NDB was 3-fold higher than that of the commercial *** nanoprecipitation,NDB NPs presented the advantages of high photothermal conversion e±ciency(39.1%),good photostability,and excellent *** importantly,in vitro antibacterial assay conrmed that the ROS and the heat generated by NDB NPs could extirpate methicillin-resistant *** e®ectively upon exposure to 730 nm laser,suggesting the potential application of NDB NPs in photo-initiated antibacterial therapy.

关键词： Photosensitizer photodynamic therapy antibacterial therapy.

Automatic Detection of Lung Nodules Using 3D Deep Convolutional Neural Networks

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Journal of Shanghai Jiaotong university(Science) 2019年第4期24卷 517-523页

作者： fu ling MA Jingchen CHEN Yizhi LARSSON Rasmus ZHAO Jun School of Biomedical Engineering Shanghai Jiao Tong UniversityShanghai200240China SJTU-UIH Institute for Medical Imaging Technology Shanghai Jiao Tong UniversityShanghai200240China MED-X Research Institute Shanghai Jiao Tong UniversityShanghai200030China School of Technology and Health KTH Royal Institute of TechnologySE-10044StockholmSweden

Lung cancer is the leading cause of cancer deaths worldwide. Accurate early diagnosis is critical in increasing the 5-year survival rate of lung cancer, so the efficient and accurate detection of lung nodules,the potential precursors to lung cancer, is paramount. In this paper, a computer-aided lung nodule detection system using 3D deep convolutional neural networks(CNNs) is developed. The first multi-scale 11-layer 3D fully convolutional neural network(FCN) is used for screening all lung nodule candidates. Considering relative small sizes of lung nodules and limited memory, the input of the FCN consists of 3D image patches rather than of whole images. The candidates are further classified in the second CNN to get the final result. The proposed method achieves high performance in the LUNA16 challenge and demonstrates the effectiveness of using 3D deep CNNs for lung nodule detection.

关键词： lung nodule detection computer-aided detection (CAD) convolutional neural network (CNN) fully convolutional neural network (FCN)

Design and analysis of bidirectional deployable parabolic cylindrical antenna

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Journal of Zhejiang University-Science A(Applied Physics & Engineering) 2014年第2期15卷 83-96页

作者： Tian YU fu-ling GUAN Lu DAI College of Civil Engineering and Architecture Zhejiang University Hangzhou 310058 China

A bidirectional deployable parabolic cylindrical reflector for an L-band synthetic aperture radar is presented in this study, in which a self-deployed antenna with low weight was designed. The antenna consists of four curved surfaces formed from thin sheets of composite materials connected by hinges along the edges, and the reflective surface is provided by the front surface. The edge profiles of connecting lines were obtained through geometric analysis. A scaled model, including design and manufac- ture, was demonstrated to validate the process from the folded state to the fully deployed state. The non-contact synchronous vision measuring method was used to test the basic frequency of the scaled model, and the test results gave the verification of the analyses. Compared with the existing unidirectional deployable antenna, this new type of bidirectional deployable antenna can be applied to larger-size antennas and has better performance because the glass-woven tape connections were substituted with more reliable hinges. Static, modal, harmonic response, and transient response analyses of the full-sized reflector structure were mod- eled with the commercial finite element （FE） package ABAQUS. The modeling techniques were developed to predict the struc- tural dynamic behavior of the reflector and the results showed that the first natural frequency was 0.865 Hz, and the reflector structure had good stiffness in three directions. This proposed structure has very high stiffness-to-mass ratio because of its hollow solid construction. A preliminary simulation of radiation properties of the parabolic cylindrical antenna, fed by an off-set linear feed horn array, was conducted to obtain the radiation pattern of the feed and the reflector.

关键词： Parabolic cylindrical antenna Geometric analysis Deploying and folding process Frequency test Structuralanalysis Radiation property

The dielectric behaviour of doped near-stoichiometric lithium niobate in the terahertz range

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Chinese Physics B 2012年第1期21卷 476-481页

作者： Wu Liang ling fu-Ri Zuo Zhi-Gao Liu Jin-Song Yao Jian-Quan Wuhan National Laboratory for Optoelectronics School of Optoelectronic Science and EngineeringHuazhong University of Science and TechnologyWuhan 430074China College of Precision Instrument and Optoelectronics Engineering Tianjin UniversityTianjin 300072China

The dielectric properties of near-stoichiometric LiNbO3：Fe and LiNbO3：Ce single crystals have been investigated using terahertz time domain spectroscopy in a frequency range of 0.71.6 THz at room temperature. When coupled with an applied external optical field, obvious photorefractive effects were observed, resulting in a modulation of the complex dielectric constant for the crystals. The variation in refractive index, ｜△n｜, had a linear relationship with the applied light intensity, accompanied by a step-like decrease at high intensity. The findings were attributed to the internal space charge field of the photorefraction and the light-induced domain reversal in the crystals.

关键词： near-stoichiometric LiNbO3 terahertz photorefraction domain reversal

Prediction of stable BC_(3)N_(2)monolayer from first-principles calculations:Stoichiometry,crystal structure,electronic and adsorption properties

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Chinese Chemical Letters 2021年第10期32卷 3149-3154页

作者： Jiahui Yu Chaozheng He Chunying Pu ling fu Dawei Zhou Kun Xie Jinrong Huo Chenxu Zhao lingmin Yu Institute of Environmental and Energy Catalysis School of Materials Science and Chemical EngineeringXi'an Technological UniversityXi'an 710021China School of Mathematics and Physics Nanyang Institute of TechnologyNanyang 473004China Shaanxi Key Laboratory of Optoelectronic functional Materials and Devices School of Materials Science and Chemical EngineeringXi'an Technological UniversityNanyang 473061China College of Physics and Electronic Engineering Nanyang Normal UniversityXi'an 710021China College of Resources and Environmental Engineering Tianshui Normal UniversityTianshui 741001China School of Sciences Xi'an Technological UniversityXi'an 710021China

In this paper,a novel BC_(3)N_(2)monolayer has been found with a graphene-like structure using the developed particle swarm optimization algorithm in combination with ab initio *** predicted structure meets the thermodynamical,dynamical,and mechanical stability ***,the BC_(3)N_(2)plane shows a metallic ***,BC_(3)N_(2)has an in-plane stiffness comparable to that of *** have also investigated the adsorption characteristics of CO_(2)on pristine monolayer and Mo functionalized monolayer using density functional ***,electronic structures of the interacting systems(CO_(2)molecule and substrates)have been preliminarily *** results show that Mo/BC_(3)N_(2)has a stronger adsorption capacity towards CO_(2)comparing with the pristine one,which can provide a reference for the further study of the CO_(2)reduction mechanism on the transition metal-functionalized surface as well as the new catalyst’s design.

关键词： Structure searching BC_(3)N_(2) First-principles Adsorption Catalyst Electronic structure

Language features in The naked and the dead

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Sino-US English Teaching 2009年第5期6卷 57-61,65页

作者： XU fu-ling Department of College English Teaching and Research Huaiyin Teachers College Huai ＇an 223001 China

As to the theme of human nature, there are many scholars and critics approaching The naked and the dead from different perspectives. This paper aims to analyze this theme from the writer＇s skills in manipulating language, presenting his characters＇ true states of mind. In the novel, Mailer skillfully chooses words and sentences with connotations to expose their human nature. With his choice of words, Mailer further molds his characters, investing them with the richest personalities. By the choice of words, Norman Mailer displays the richest personalities in his characters, disclosing the degeneration of human beings.

关键词： The naked and the dead language features personalities degeneration

Editorial for special issue on optical methods for life sciences

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Chinese Optics Letters 2017年第9期15卷 1-1页

作者： Qingming Luo Francesco Pavone ling fu Britton Chance Center for Biomedical Photonics Wuhan National Laboratory for Optoelectronics Huazhong University of Science&TechnologyChina European Laboratory for Nonlinear Spectroscopy Department of Physics University of Florence Italy Britton Chance Center for Biomedical Photonics Wuhan National Laboratory for Optoelectronics Huazhong University of Science&Technology China

Optical methods for life sciences is a very comprehensive *** in this era,scientific discoveries depend on more and more interdisciplinary cooperation.

关键词： Editorial for special issue on optical methods for life sciences

A Confocal Endoscope for Cellular Imaging

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Engineering 2015年第3期1卷 351-360页

作者： Jiafu Wang Min Yang Li Yang Yun Zhang Jing Yuan Qian Liu Xiaohua Hou ling fu Britton Chance Center for Biomedical Photonics Wuhan National Laboratory for Optoelectronics Huazhong University of Science and Technology MoE Key Laboratory for Biomedical Photonics Department of Biomedical Engineering Huazhong University of Science and Technology Division of Gastroenterology Union Hospital Tongji Medical College Huazhong University of Science and Technology Mo E Key Laboratory for Biomedical Photonics Department of Biomedical Engineering Huazhong University of Science and Technology

Since its inception, endoscopy has aimed to establish an immediate diagnosis that is virtually consistent with a histologic diagnosis. In the past decade, confocal laser scanning microscopy has been brought into endoscopy, thus enabling in vivo microscopic tissue visualization with a magnification and resolution comparable to that obtained with the ex vivo microscopy of histological specimens. The major challenge in the development of instrumentation lies in the miniaturization of a fiber-optic probe for microscopic imaging with micron-scale resolution. Here, we present the design and construction of a confocal endoscope based on a fiber bundle with 1.4-μm lateral resolution and 8-frames per second(fps) imaging speed. The fiber-optic probe has a diameter of 2.6 mm that is compatible with the biopsy channel of a conventional endoscope. The prototype of a confocal endoscope has been used to observe epithelial cells of the gastrointestinal tracts of mice and will be further demonstrated in clinical trials. In addition, the confocal endoscope can be used for translational studies of epithelial function in order to monitor how molecules work and how cells interact in their natural environment.

关键词： cellular resolution confocal endoscopy optical biopsy