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Acute interstitial edematous pancreatitis:Findings on non-enhanced MR imaging

World Journal of Gastroenterology 2006年第36期12卷 5859-5865页

作者： xiao-Ming Zhang Zhi-Song Feng Qiong-Hui Zhao Chun-Ming xiao Donald G Mitchell Jian Shu Nan-Lin Zeng xiao-Xue Xu Jun-Yang Lei xiao-bing tian Department of Radiology Affiliated Hospital of North Sichuan Medical College Wenhua Road 63 Nanchong 637000 Sichuan Province China Department of Gastroenterology Affiliated Hospital of North Sichuan Medical College Wenhua Road 63 Nanchong 637000 Sichuan Province China Department of General Surgery Affiliated Hospital of North Sichuan Medical College Wenhua Road 63 Nanchong 637000 Sichuan Province China Department of Radiology Thomas Jefferson University Hospital Philadelphia PA United States Department of Statistics North Sichuan Medical College Fujiang Road 234 Nanchong 637007 Sichuan Province China

AIM： To study the appearances of acute interstitial edematous pancreatitis （IEP） on non-enhanced MR imaging. METHODS： A total of 53 patients with IEP diagnosed by clinical features and laboratory findings were underwent MR imaging. MR imaging sequences included fast spoiled gradient echo （FSPGR） fat saturation axial T1-weighted imaging, gradient echo T1-weighted （in phase）, single shot fast spin echo （SSFSE） T2-weighted, respiratory triggered （R-T） T2-weighted with fat saturation, and MR cholangiopancreatography. Using the MR severity score index, pancreatitis was graded as mild （0-2 points）, moderate （3-6 points） and severe （7-10 points）. RESULTS： Among the 53 patients, IEP was graded as mild in 37 patients and as moderate in 16 patients. Forty-seven of 53 （89%） patients had at least one abnormality on MR images. Pancreas was hypointense relative to liver on FSPGR T1-weighted images in 18.9% of patients, and hyperintense in 25% and 30% on SSFSE T2-weighted and R-T T2-weighted images, respectively. The prevalences of the findings of IEP on R-T T2-weighted images were, respectively, 85% for pancreatic fascial plane, 77% for left renal fascial plane, 55% for peripancreatic fat stranding, 42% for right renal fascial plane, 45% for perivascular fluid, 40% for thickened pancreatic Iobular septum and 25% for peripancreatic fluid, which were markedly higher than those on in-phase or SSFSE T2-weighted images （P 〈 0.001）. CONCLUSION： IEP primarily manifests on non- enhanced MR images as thickened pancreatic fascial plane, left renal fascial plane, peripancreatic fat stranding, and peripancreatic fluid. R-T T2-weighted imaging is more sensitive than in-phase and SSFSE T2- weighted imaging for depicting IER

关键词： Pancreas Pancreatitis Inflammation Edema Magnetic resonance

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不同年龄段正常人下泪新月的参考值范围

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中华眼视光学与视觉科学杂志 2018年第3期20卷 162-167页

作者：田潇李冰山西省眼科医院角膜病科太原030002

目的：初步估算不同年龄段正常人的下泪新月参数的参考值范围。方法：系列病例研究。收集2015年5月至2016年10月在山西省眼科医院及太原市各大高校学生占职工群体的健康受试者206例（410眼），以每10 岁一个年龄段分为4 组，采用前节光... 详细信息

目的：初步估算不同年龄段正常人的下泪新月参数的参考值范围。方法：系列病例研究。收集2015年5月至2016年10月在山西省眼科医院及太原市各大高校学生占职工群体的健康受试者206例（410眼），以每10 岁一个年龄段分为4 组，采用前节光学相干断层扫描（OCT）进行下泪新月参数、中央角膜上皮厚度及中央角膜厚度的测量。采用Spearman秩相关分析下泪新月参数与传统干眼诊断方法之间的相关性，采用95%医学参考值范围的估算确定不同年龄段正常人的下泪新月参数参考值范围。结果：除中央角膜厚度与其他指标无相关性外，其他指标两两之间均存在相关性。其中，下泪新月高度（LTMH）与下泪新月面积（LTMA）和下泪新月深度（LTMD）、LTMA与LTMD之间均呈强正相关性（r=0.981、0.983、0.990，P 〈 0.001），远高于下泪新月参数与基础泪液分泌试验（SⅠT）、非侵入性平均泪膜破裂时间（NIBUTav）、中央角膜上皮厚度（CCET）之间的相关性（r=2.261～0.409，P 〈 0.05）。4个年龄组各自的LTMH参考值范围分别为：21～30岁356～441 μm，31～40岁323～378 μm，41～50 岁274～332 μm，51～60 岁232～319 μm；LTMD参考值范围分别为：21～30 岁161～188 μm，31～40 岁139～166 μm，41～50 岁114～138 μm，51～60 岁85～115 μm；LTMA参考值范围分别为：21～30 岁0.031～0.038 mm2，31～40 岁0.027～0.033 mm2，41～50 岁0.023～0.028 mm2，51～60 岁0.013～0.018 mm2。结论：前节OCT测得的下泪新月参数与SⅠT、NIBUTav、CCET之间存在一定的相关性。各个年龄段的下泪新月参数的参考值范围随年龄段递增呈递减趋势。

关键词：前节光学相干断层扫描干眼下泪新月参数中央角膜上皮厚度

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Treatment of Wastewater Containing Heavy Metals Using Dissolved Air Released Flotation Column

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International Journal of Mining Science and Technology 2005年第3期 25-29页

作者： LI xiao-bing, LIU Jiong-tian, WANG Yong-tian, CAO Yi-junSchool of Chemical Engineering and Technology, China University of Mining & Technology, Xuzhou, Jiangsu 221008,China

A new type of dissolved air released flotation column is developed to treat wastewater containing Cr(VI)based on advantages of both dissolved air floatation and column floatation. By using a column with a diameter of 50mm and a specially made dissolved air releaser, micro-bubbles inside the column can be formed. N2H4·H2O was usedas reductant, AlCl3 as flocculant, C12H25SO3Na(SDS) as surfactant in the experiment. The effects of pH of wastewa-ter, pressure of dissolved air, ratio of return water, and concentration of flocculant and surfactant on the removal effi-ciency are studied. The results show that the efficiency of dissolved air released flotation column is much higher thanthat of other approaches after the operation parameters are optimized, with the reduction ratio of Cr(VI) in wastewaterreaching 98%. So this technique can be widely used in wastewater treatment.

关键词： dissolved air released flotation column wastewater treatment heavy metal

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Separation of the ionospheric and thermospheric contributions in the data from the Triple Ionosophere Photo Meter onboard the Feng-Yun 3E satellite

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Science China Earth Sciences 2025年第1期68卷 172-184页

作者： Fang JIANG tian MAO Jin-Song WANG Xiu-Qing HU xiao-Xin ZHANG Liping FU Nan JIA tianfang WANG National Space Science Center Chinese Academy of Sciences Beijing Key Laboratory of Space Environment Exploration Key Laboratory of Environmental Space Situation Awareness Technology National Satellite Meteorological Center China Meteorological Administration

The Triple Ionosphere Photo Meter （TRIPM） is a far ultraviolet nadir-view photometer that is onboard the secondgeneration,polar-orbiting Chinese meteorological satellite Feng-Yun 3E （FY-3E）,which was launched on July 5,*** has three channels,and each is used to measure different types of emissions:（1） 135.6 nm airglow produced by the recombination of the O+ions and electrons in the absence of sunlight （nighttime channel）;（2） 135.6 nm airglow from the OI when sunlight is present （daytime/dusk-dawn 135.6 nm channel）;and （3） Airglow in the N2LBH of the TRIPM （daytime/dusk-dawn N2LBH channel）.FY-3E is a satellite operating in the early morning ***,the data are mostly distributed on the dawndusk side or at times when the solar zenith angle is relatively *** this study,combined with simulation calculations,the data are *** further explore the application value of the data products,a model is used to separate the ionospheric radiative recombination contribution from the thermosphere photoelectron impact excitation contribution in the data from the daytime/dusk-dawn 135.6 nm *** approach not only improves the accuracy of O/N2derived from the 135.6 nm channel and N2LBH channel but also provides the ionospheric 135.6 nm radiance at the same time as the *** results show that the 135.6 nm radiance originating from the combination of O+and electrons extracted from the measurement data exhibits similar equatorial anomaly peak structure characteristics and seasonal variations as the corresponding GPS total electron content （TEC） *** the other hand,the separated 135.6 nm radiance generated from the thermosphere photoelectron collision excitation does not contain radiative recombination contributions;thus,the ionosphere influence is greatly avoided when the O/N2is obtained.

关键词： Far ultraviolet 135.6 nm emission intensity Photoelectron impact excitation Radiative recombination excitation

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Construction and selection of the natural immune Fab antibody phage display library from patients with colorectal cancer

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World Journal of Gastroenterology 2001年第6期7卷 811-815页

作者： Bao-Ping Wu~1 bing xiao~1 tian-Mo Wan~1 Ya-Li Zhang~1 Zhen-Shu Zhang~1 Dian-Yuan Zhou~1 Zhuo-Sheng Lai~1 Chun-Fang Gao~2 1 Institute for Digestive Diseases,Nanfang Hospital,Guangzhou 510515,Guangdong Province,China2 Surgical Department of Colon and Rectum,150 Central Hospital,Luoyang 471031,Henan Province,China Institute for Digestive Medicine Nanfang Hospital Guangzhou 510515 Guangdong Province China. bpwu@***

AIM: To construct the natural immune Fab antibody phage display libraries of colorectal cancer and to select antibodies related with colorectal cancer. METHODS: Extract total RNA from tissue of local cancer metastasis lymph nodes of patients with colorectal cancer. RT-PCR was used to amplify the heavy chain Fd and light chain kappa and the amplification products were inserted successively into the vector pComb3 to construct the human libraries of Fab antibodies. They were then panned by phage display technology. By means of Dot immunoblotting and ELISA, the libraries were identified and the Fab phage antibodies binding with antigens of colorectal cancer were selected. RESULTS: The amplified fragments of Fd and kappa gained by RT-PCR were about 650 bp. Fd and kappa PCR products were subsequently inserted into the vector pComb3, resulting in a recombination rate of 40% and the volume of Fab phage display library reached 1.48 x 10(6).The libraries were enriched about 120-fold by 3 cycles of adsorption-elution-multiplication (panning). Dot immunoblotting showed Fab expressions on the phage libraries and ELISA showed 5 clones of Fab phage antibodies which had binding activities with antigens of colorectal cancer. CONCLUSION: The natural immune Fab antibody phage display libraries of colorectal cancer were constructed. They could be used to select the relative antibodies of colorectal cancer.

关键词： Genes, Immunoglobulin Peptide Library Antibodies Bacteriophages Colorectal Neoplasms Humans Immunoglobulin Fab Fragments Research Support, Non-U.S. Gov't

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Homologous CoS2 interface with directed electron transfer and strong chloridion repulsion for efficient seawater oxidation

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Science China Chemistry 2025年

作者： Yuan tian Jiang-Bo Chen Jie Ying Ge tian Yu-Xuan xiao Yi Lu Si-Ming Wu Wei Geng Ling Shen xiao-Yu Yang State Key Laboratory of Advanced Technology for Materials Synthesis and Processing and School of Materials Science and Engineering and Shenzhen Research Institute & Laoshan Laboratory Wuhan University of Technology School of Chemical Engineering and Technology Sun Yat-Sen University National Energy Key Laboratory for New Hydrogen-Ammonia Energy Technologies Foshan Xianhu Laboratory

Seawater electrolysis is a highly promising method to produce high energy density hydrogen,especially in dry areas that have scarce freshwater ***,application of seawater electrolysis is confronted by two major problems associated with catalysts employed for the anodic oxygen evolution reaction （OER） including the competitive hypochlorite evolution reaction（HCER） and strong chloridion （Cl–） triggered *** studies aimed at overcoming these problems,a facile method has been developed to synthesize a homologous CoS2heterojunction as an OER *** to a difference in work functions at the interface and increased electron density,this material has directed electron transfer and strong chloridion repulsion properties,*** have shown that CoS2achieves low overpotentials of 289 and 322 mV at 10 mA cm-2current density in respective alkaline （1 M KOH） and alkaline simulated seawater ***,the outstanding stability of CoS2is reflected in a negligible decline in activity during promotion of the OER for 100 *** of density functional theory calculations reveal that the homologous CoS2heterojunction promotes directed electron transport for optimizing adsorption/desorption of reactive species and heightens the Cl-adsorption energy for strongly repulsing Cl-,phenomena that enhance OER performance in alkaline simulated seawater.

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Experimental demonstration of 220-GHz terahertz signals wireless transmission over 4.6 km

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Science China(Information Sciences) 2025年第1期68卷 386-388页

作者： Yi WEI Jianjun YU Mingxu WANG Xiongwei YANG Qiutong ZHANG Jingwen TAN bing ZHANG Ying WU Yang HAN Peng tian Wen ZHOU Kaihui WANG Feng ZHAO State Key Laboratory of ASIC and System Key Laboratory for Information Science of Electromagnetic Waves (MoE)School of Information Science and Technology Fudan University School of Electronic Engineering Xi'an University of Posts and Telecommunications

The advancement of terahertz (THz) communication technology drives the evolution of wireless communication systems,offering novel pathways and technical means for the development of future 6G communication *** wireless communication systems are often constrained by bandwidth limitations of electronic devices in high frequency ***,THz communication technology leverages the characteristics of electromagnetic waves to transcend these limitations,enabling communication athigher frequencies and wider bandwidths.

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Overview and Prospect of Distributed Energy P2P Trading

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Energy Engineering 2025年第1期122卷 379-404页

作者： Jiajia Liu Mingxing tian Xusheng Mao School of Automation and Electrical Engineering Lanzhou Jiaotong UniversityLanzhou730070China

After a century of relative stability in the electricity sector,the widespread adoption of distributed energy resources,along with recent advancements in computing and communication technologies,has fundamentally altered how energy is consumed,traded,and *** change signifies a crucial shift as the power system evolves from its traditional hierarchical organization to a more decentralized *** the heart of this transformation are innovative energy distribution models,like peer-to-peer(P2P)sharing,which enable communities to collaboratively manage their energy *** effectiveness of P2P sharing not only improves the economic prospects for prosumers,who generate and consume energy,but also enhances energy resilience and *** allows communities to better leverage local resources while fostering a sense of collective responsibility and collaboration in energy ***,there is still no extensive implementation of such sharing models in today’s *** on distributed energy P2P trading is still in the exploratory stage,and it is particularly important to comprehensively understand and analyze the existing distributed energy P2P trading *** paper contributes with an overview of the P2P markets that starts with the network framework,market structure,technical approach for trading mechanism,and blockchain technology,moving to the outlook in this field.

关键词： Distributed energy P2P market mechanisms classification and comparison

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Modeling and Capacity Configuration Optimization of CRH5 EMU On-Board Energy Storage System

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Energy Engineering 2025年第1期122卷 307-329页

作者： Mingxing tian Weiyuan Zhang Zhaoxu Su School of Automation and Electrical Engineering Lanzhou Jiaotong UniversityLanzhou730070China

In the context of the“dual carbon”goals,to address issues such as high energy consumption,high costs,and low power quality in the rapid development of electrified railways,this study focused on the China Railways High-Speed 5 Electric Multiple Unit and proposed a mathematical model and capacity optimization method for an onboard energy storage system using lithium batteries and supercapacitors as storage ***,considering the electrical characteristics,weight,and volume of the storage media,a mathematical model of the energy storage system was ***,to tackle problems related to energy consumption and power quality,an energy management strategy was proposed that comprehensively considers peak shaving and valley filling and power quality by controlling the charge/discharge thresholds of the storage *** optimization adopted a bilevel programming model,with the series/parallel number of storage modules as variables,considering constraints imposed by the Direct Current to Direct Current converter,train load,and *** improved Particle Swarm Optimization algorithm and linear programming solver were used to solve specific *** results show that the proposed onboard energy storage system can effectively achieve energy savings,reduce consumption,and improve power qualitywhile meeting the load and space limitations of the train.

关键词： Electrified railway regenerative braking bi-level programming on-board energy storage power quality capacity configuration

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Design high-performance narrowband emitters for blue light-emitting diodes through manipulating resonance structure of aromatic heterocycles

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Science China Chemistry 2025年

作者： Yue Yu Lei Xu Wenle Tan Yuyu Pan Jiyin xiao Bohan Wang Guangjun tian Yuguang Ma Lei Ying Institute of Polymer Optoelectronic Materials and Devices Guangdong Basic Research Center of Excellence for Energy and Information Polymer Materials State Key Laboratory of Luminescent Materials and Devices South China University of Technology School of Petrochemical Engineering Shenyang University of Technology Key Laboratory for Microstructural Material Physics of Hebei Province School of Science Yanshan University

Narrowband light-emitting materials play critical roles in improving the color gamut and energy consumption of electroluminescence. Herein we demonstrated that by regulating the ground state resonance structure form of emitters with polycyclic aromatic heterocycles, the high-energy vibration of the C–C bond can be effectively suppressed, resulting in narrow emission like classical cyanine dyes. The designed compounds consist of twist and planar conformation, while having differences in the orientation of the positioning electron-donating(nitrogen) and electron-accepting(carbonyl) groups in the polycyclic aromatic hydrocarbon skeleton. The resulting compound Ac-Ph-Ac with a dominated zwitterionic resonance structure exhibits a relatively wide electroluminescent profile with the full width at half maximum(FWHM) of 42 nm and moderate device performance. In contrast, the “soliton transition” of 2AcPh based on the cyanine limit character effectively suppresses C–C stretching vibration in the polycyclic aromatic heterocycle skeleton, leading to a narrow electroluminescent profile with FWHM of 30 nm(0.16 eV)associated with an impressively high external quantum efficiency of 28.52%, which is among the highest efficiencies of so far reported non-sensitized organic light-emitting diodes.

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