检索结果-南通市图书馆

战时中国共产党形象塑造的视觉话语分析——以《晋察冀画报》为中心

在线全文

学校读者我要写书评

暂无评论

出版科学 2022年第6期30卷 117-125页

作者：何国梅陶喜红中南民族大学文学与新闻传播学院武汉430074

抗战时期晋察冀根据地军区总政治部主办的《晋察冀画报》利用摄影图像、文字文本等对中国共产党进行了有效的视觉塑造与历史书写,通过对战争、革命、生活三大主题的历史叙事,把中共缔造成“敌后战区的胜利者”、“民主政治的建设者”和... 详细信息

抗战时期晋察冀根据地军区总政治部主办的《晋察冀画报》利用摄影图像、文字文本等对中国共产党进行了有效的视觉塑造与历史书写,通过对战争、革命、生活三大主题的历史叙事,把中共缔造成“敌后战区的胜利者”、“民主政治的建设者”和“生产生活的参与者”的形象。从视觉话语的角度看,这种建构体现于动态化的图像叙事、虚实结合的时空处理、多样化的视觉修辞之中。画报视觉图像的政治化实践,增强乃至放大了中共在国内外的政治影响力与认可度,为战时中国共产党争取政治合法性履行了媒介责任,发挥了宣传与凝聚作用,并为新中国成立后的报刊出版提供了有别于大众化消闲画报的具有意识形态性的“话语范式”。

关键词：晋察冀画报中国共产党形象视觉话语视觉修辞

Novel carbon nanohybrids as highly efficient magnetic resonance imaging contrast agents

同方期刊数据库博看期刊评论

在线全文

学校读者我要写书评

暂无评论

Nano Research 2015年第4期8卷 1259-1268页

作者： Rongli Cui Juan Li Huan Huang Mingyi Zhang xihong Guo Yanan Chang Min Li Jinquan Dong Baoyun Sun Gengmei Xing CAS Key Laboratory for Biomedical Effects of Nanomaterial & Nanosafety Institute of High Energy Physics Chinese Academy otScience (CAS) Beijing 700049 China

Novel carbon nanohybrids based on unmodified metallofullerenes have been successfully fabricated for use as a new magnetic resonance imaging （MRI） contrast agent. The nanohybrids showed higher R1 relaxivity and better brightening effect than Gd@C82（OH）x, in Tl-weighted MR images in vivo. This is a result of the proton relaxivity from the original gadofullerenes, which retained a perfect carbon cage structure and so might completely avoid the release of Gd^3＋ ions. A ＂secondary spin-electron transfer＂ relaxation mechanism was proposed to explain how the encaged Gd^3＋ ions of carbon nanohybrids interact with the surrounding water molecules. This approach opens new opportunities for developing highly efficient and low toxicity MRI contrast agents.

关键词： graphene oxide metallofullerene magnetic resonanceimaging (MRI) nanohybrids

Anomalous photovoltaic effect in Na_(0.5)Bi_(0.5)TiO_(3)-based ferroelectric ceramics based on domain engineering

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Materiomics 2024年第5期10卷 975-983页

作者： Xinxiang Yang Xing Gao Shan Zhang Jun Zhao Xinlei Zhang Xin Song Chunxiao Lu Yong Li Liwen Zhang xihong Hao Inner Mongolia Key Laboratory of Ferroelectric-Related New Energy Materials and Devices School of Materials and MetallurgyInner Mongolia University of Science and TechnologyBaotou014010China

The anomalous photovoltaic(APV)effect is promising for high-performance ferroelectric materials and devices in photoelectric ***,it is a challenge how to tune the APV effect by utilizing the characteristic structure of ***,a domain engineering strategy is proposed to enhance the APV effect in lead-free 0.88(Na_(0.5)Bi_(0.5)TiO_(3))-0.12(Ba_(1–1.5x)S_(mx)TiO_(3))(NBT-BST)ferroelectric *** tuning the domain size based on Sm^(3+)doping,a maximum open-circuit voltage(VOC)of 18.1 V is obtained when Sm^(3+)content is 0.75%,which is much larger than its bandgap(Eg).The mechanism of this large VOC originates from the multiple positive effects induced by the small-size domain,where decreasing domain size enhances ferroelectric polarization and net interface barrier potential,leading to a large driving electric ***,the APV effect exhibits a giant temperature sensitivity due to the dramatic evolution of small-size domain in the temperature *** work sheds light on the exploration of ferroelectrics with APV effect and inspires their future high-performance optoelectronic device applications.

关键词： Anomalous photovoltaic effect Ferroelectric Domain NBT-BST ceramics Polarization

Effect of Lactobacillus salivarius H strain isolated from Chinese dry-cured ham on the color stability of fresh pork

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Food Science and Human Wellness 2013年第3期2卷 139-145页

作者： Zhen Luo Vincent Gasasira Yuhui Huang Dengyong Liu xihong Yang Shihong Jiang Wenfeng Hu College of Food Science South China Agricultural UniversityGuangzhou 510642PR China National Center of Meat Quality and Safety Control College of Food Science and TechnologyNanjing Agricultural UniversityNanjing 210095PR China College of Food Science&Technology Guangdong Ocean UniversityZhanjiang 524088PR China Guangdong Wen’s Caren Food Co. Ltd.Xinxing County 527400PR China

The aim of this research is to investigate the effect of lactic acid bacteria(LAB)on color stability of fresh *** the seven LAB strains isolated from the Chinese dry-cured hams,H strain was identified as Lactobacillus salivarius(CCTCC M2010374)by serial biochemical tests and 16S rRNA *** fresh pork samples were immersed in the H strain and Lactobacillus fermentum extracts for 1 min after ultrasonic cells disruption and samples immersed in sterile 0.9%(m/V)saline was served as a control group,then samples were vacuum packaged and stored at 4◦*** oxide synthase(NOS)and metmyoglobin(MetMb)reductase were found in the cells extracts of H *** 6 days of storage,H strain group was found to be associated with the highest CIE a*values(Phe lowest MetMb(41%).*** H strain has thus shown a beneficial effect on the color stability of fresh *** research is necessary to elucidate its mechanism.©2013 Beijing Academy of Food *** and hosting by Elsevier *** rights reserved.

关键词： Pork Color stability Lactobacillus salivarius Metmyoglobin

High rate and ultralong life flexible all-solid-state zinc ion battery based on electron density modulated NiCo_(2)O_(4) nanosheets

在线全文

学校读者我要写书评

暂无评论

Journal of Energy Chemistry 2022年第7期31卷 283-291,I0008页

作者： Wenda Qiu Yunlei Tian Zhenchao Lin Shuting Lin Zhangqi Geng Kaitao Huang Aihua Lei Fuchun Huang Huajie Feng Fengze Ding Yu Li xihong Lu Guangdong Industry Polytechnic College Guangzhou 510300GuangdongChina MOE of the Key Laboratory of Bioinorganic and Synthetic Chemistry KLGHEI of Environment and Energy ChemistrySchool of ChemistrySun Yat-Sen UniversityGuangzhou 510275GuangdongChina Key Laboratory of Electrochemical Energy Storage and Energy Conversion of Hainan Province Hainan Normal UniversityHaikou 571158HainanChina

The development of zinc ion batteries (ZIBs) with large capacity,high rate,and durable cathode material is a crucial and urgent *** Co_(2)O_(4)(NCO) has received ever-growing interest as a potential cathode material for ZIBs,owing to the high theoretical capacity,rich source,cost-effective,and versatile redox ***,due to the slow dynamics of the NCO electrodes,its practical application in highperformance systems is severely ***,we report an electron density modulated NCO nanosheets (N-NCO NSs) with high-kinetics Zn^(2+)-storage capability as an additive-free cathode for flexible all-solid-state (ASS) *** virtue of the enhanced electronic conductivity,improved reaction kinetics,and increased active sites,the optimized N-NCO NSs electrode delivers a high capacity of 357.7 m Ah g^(-1)at 1.0 A g^(-1)and a superior rate capacity of 201.4 m Ah g^(-1)at 20 A g^(-1).More importantly,a flexible ASS ZIBs device is manufactured using a solid polymer electrolyte of a poly (vinylidene fluoride hexafluoropropylene)(PVDF-HFP) *** flexible ASS ZIBs device shows superb durability with 80.2%capacity retention after 20,000 cycles and works well in the range of-20–70℃.Furthermore,the flexible ASS ZIBs achieves an impressive energy density as high as 578.1 W h kg^(-1)with a peak power density of 33.6 k W kg^(-1),substantially outperforming those latest *** work could provide valuable insights for constructing high-kinetics and high-capability cathodes with long-term stability for flexible ASS ZIBs.

关键词： Electron densities modulation NiCo_(2)O_(4)nanosheets All-solid-state Flexible Zinc ion batteries

Embankment deformation analyzed by elastoplastic damage model coupling consolidation theory

在线全文

学校读者我要写书评

暂无评论

Global Geology 2006年第2期9卷 156-160页

作者： Hong SUN xihong ZHAO Department of Civil Engineering Shanghai Jiaotong University Shanghai 200030 China Department of Civil Engineering Kanazawa University Kanazawa 920-1192 Japan Department of Geotechnical Engineering Tongji University Shanghai 200092 China

The deformation, of embankment has serious influences on neighboring structure and infrastructure. A trial embankment is reanalyzed by elastoplastic damage model coupling Blot＇ s consolidation theory. With the increase in time of loading, the damage accumulation becomes larger. Under the centre and toe of embankment, damage becomes serious. Under the centre of embankment, vertical damage values are bigger than horizontal ones. Under the toe of embankment, horizontal damage values are bigger than vertical ones.

关键词： embankment deformation consolidation theory elastoplastic damage model

A Simulation Optimization Algorithm for CTMDPs Based on Randomized Stationary Policies^1）

在线全文

学校读者我要写书评

暂无评论

自动化学报 2004年第2期30卷 229-234页

作者： TANGHao xihong-Sheng YINBao-Qun DepartmentofAutomation UniversityofScienceandTechnologyofChinaHefei230026

Based on the theory of Markov performance potentials and neuro-dynamic programming(NDP) methodology, we study simulation optimization algorithm for a class of continuous timeMarkov decision processes (CTMDPs) under randomized stationary policies. The proposed algo-rithm will estimate the gradient of average cost performance measure with respect to policy param-eters by transforming a continuous time Markov process into a uniform Markov chain and simula-ting a single sample path of the chain. The goal is to look for a suboptimal randomized stationarypolicy. The algorithm derived here can meet the needs of performance optimization of many diffi-cult systems with large-scale state space. Finally, a numerical example for a controlled Markovprocess is provided.

关键词：仿真优化算法随机平稳策略 CTMDP Markov性能势理论

Genetic and immunologic characteristics of colorectal cancer patients with KRAS mutations and predictive significance of tumor immune microenvironment in adjuvant chemotherapy

在线全文

学校读者我要写书评

暂无评论

Genes & Diseases 2024年第3期11卷 43-46页

作者： Zhengqi Wen Wenliang Li Chengmin Shi Junrui Ma Sihui Zhao Ruize Zhou xihong Liu Rong Yang Zhiping Zhang Hushan Zhang Bo Li Department of Oncology The First Affiliated Hospital of Kunming Medical UniversityKunmingYunnan 650032China The Third Affliated Hospital of Kunming Medical University(Yunnan Cancer Center) KunmingYunnan 650021China Gastrointestinal and hernia Surgery The First Affiliated Hospital of Kunming Medical UniversityKunmingYunnan 650032China School of Nursing Yunnan University of Chinese MedicineKunmingYunnan 650022China Department of General Surgery The First People's Hospital of Yunnan ProvinceKunmingYunnan 650000China Department of General Surgery The Affiliated Hospital of Yunnan UniversityYunnan 650011China Medical Department 3D Medicines Inc.Shanghai 201114China Zhaotong health Vocational College ZhaotongYunnan 657000China

Colorectal cancer(CRC)is one of the most common cancers around the world,and it is one of the leading causes of cancer-related death.1 Although anti-EGFR therapy and immune checkpoint inhibitor(ICl)therapy are becoming more and more important for colorectal therapy,however,clinical outcomes of current treatments for metastatic CRC,especially with ICls,have been shown to be affected by the status of ***,KRAS mutation status detection has become a very important diagnostic factor for managing metastatic CRC patients.

关键词： KRAS colorectal patients

Different mechanisms of improving CH_(3)NH_(3)PbI_(3) perovskite solar cells brought by fluorinated or nitrogen doped graphdiyne

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Nano Research 2022年第1期15卷 573-580页

作者： Huan Huang Bing Liu Dan Wang Rongli Cui xihong Guo Ying Li Shouwei Zuo Zi Yin Huanhua Wang Jing Zhang Hui Yuan Lirong Zheng Baoyun Sun CAS Key Lab for Biomedical Effects of Nanomaterials&Nanosafety Institute of High Energy PhysicsChinese Academy of ScienceBeijing 100049China Beijing Synchrotron Radiation Facility Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University of Chinese Academy of Sciences Beijing 100049China

Fluorinated and nitrogen-doped graphdiyne(F/N-GDY)have been used in the active layer of perovskite solar cells(PSCs)for the first *** introduction of heteroatoms turns out to be an effective method for boosted solar cells performance,which increases by 32.8%and 33.0%,better than the pristine or GDY doped *** enhanced performance can be attributed firstly to the superiority of F/N-GDY originated from the unique structure and optoelectronic properties of ***,both can further reduce surface defects and improve surface and bulk crystallinity than pristine ***'s more,efficiency increase caused by F-GDY is mainly attributed to the improvement of fill factor(FF),while the higher short-circuit current(Jsc)plays more important role by N-GDY *** importantly,the detailed mechanism brought about by doping of F-GDY or N-GDY is expounded by systematical characterizations,especially the synchrotron radiation *** of F-GDY causes Pb and forms new Pb-F bonds between F-GDY and Pb *** of N-GDY or GDY brings about Pb(N-GDY doping induces more deviation than that of GDY due to the participation of imine N),improving its electron density and conductivity.

关键词： perovskite solar cells graphdiyne grazing incidence X-ray diffraction(GIXRD) X-ray absorption fine structure(XAFS) synchrotron radiation technique