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失真与本真:短视频中“真实”的消逝与重建

电影评介 2024年第14期 1-7页

作者：晏青纪少华暨南大学新闻与传播学院暨南大学娱乐传播研究中心

当下,短视频平台远远超越了传统媒体现实再现问题,愈发表现出社会基础设施平台的特性,成为“通往‘现实’制造的组织装置”系统。然而,以“记录生活”为标榜的短视频平台,在实现引导全民记录和表达的同时,却充斥着“忠实现实”和“偏离... 详细信息

当下,短视频平台远远超越了传统媒体现实再现问题,愈发表现出社会基础设施平台的特性,成为“通往‘现实’制造的组织装置”系统。然而,以“记录生活”为标榜的短视频平台,在实现引导全民记录和表达的同时,却充斥着“忠实现实”和“偏离真实”的悖论。本文采用文本分析法对与短视频平台相关的典型性新媒介事件及其视频文本进行剖析,试图从微观视角切入探究目前短视频平台发展以及平台用户在使用过程中产生的突出问题。对短视频平台上的“新媒介事件”进行研究,不仅有助于了解平台热点事件的传播特征,更能为研究新媒介技术产生的现实性后果提供新视角。

关键词：短视频社交媒体平台新媒介事件真实性

Evaluation of the efficacy of neoadjuvant chemotherapy for intermediate and advanced breast cancer by 3.0T MR and ultrasound combined with tumour markers

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Clinical Research Communications 2024年第3期7卷 53-60页

作者： Bao-Jun Pan Chun-Lei Sun Yu-Hua Liu Guo-Zheng Tan Chun-Yun Liu Hai-jie xu qing-Yu Meng ji-xuan Liu Xiang-Dong Wei Wen-Ming Cao Thyroid and mammary department Shandong Changle People’s HospitalWeifang 262400China. Gynecology Department Pingshan District Central HospitalShenzhen 518122China.

Objective:To evaluate the efficacy of neoadjuvant chemotherapy before and after neoadjuvant chemotherapy for intermediate and advanced breast cancer using 3.0T MR and ultrasound in combination with tumour markers(CEA,CA-153,CA125),and to provide therapeutic references for the clinicians,so as to better satisfy the needs of treatment for intermediate and advanced breast cancer ***:The team collected 30 patients who were diagnosed with intermediate and advanced breast cancer by biopsy and received neoadjuvant chemotherapy,and divided them into sensitive and insensitive groups according to the MP grading of postoperative pathological *** team retrospectively analysed the changes in the values of serum CEA,CA-153,and CA 125 before and after the neoadjuvant chemotherapy,the changes in the average ADC of the lesions before and after the observation by MRI,and the changes in the volume and size of lesions before and after the observation by ultrasonography to assess the effects of neoadjuvant chemotherapy individually,and the results of neoadjuvant chemotherapy were evaluated *** effect of neoadjuvant chemotherapy was assessed *** of the above was evaluated independently,and the accuracy of each item was calculated by comparing the evaluation results with the pathological examination results,and the accuracy of the single item was compared with the accuracy of the three combined tests to determine whether the combined evaluation was more ***:All three examination and testing methods can achieve high accuracy,and the combined evaluation of the three is more accurate than the evaluation of the single way,and the difference is statistically significant(P<0.05).Conclusion:In neoadjuvant chemotherapy for breast cancer patients,the combined assessment of MR,CDFI and tumour markers can more comprehensively and accurately assess the effect of ADC,and more accurately guide the clinical treatment and determine the progn

关键词： breast cancer neoadjuvant chemotherapy MR ultrasound tumour markers

含混合价态钒的晶体[N(CH_(3))_(4)]_(4)[H_(5)PMo_(5))V_(9)O_(42)]·3.5H_(2)O的合成与结构

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高等学校化学学报 2000年第8期21卷 1180-1182页

作者：徐家宁杨国昱林英杰施展于杰辉冯守华徐吉庆徐昕李艳崔晓辉黄小荥杨兰萍吉林大学化学系吉林大学无机合成与制备化学开放实验室长春130023 长春科技大学化学系长春130026 中国科学院福州物质结构研究所结构化学国家重点实验室福州350002

The title compound [N(CH 3) 4] 4 [H 5PMo 5V 9O 42 ] ·3.5H 2O was synthesized by hydrothermal method and its structure was determined with single crystal X ray analysis. The cluster anion is a bicapped Keggin polyanion, two vanadium atoms are distributed at two capping metal atom positions. The crystal is monoclinic, space group C2/c with a=1.284 8(4) nm, b=2.366 4(4) nm, c=2.113 6(4) nm, β= 90.69(2)° , V=6.425(4) nm 3, Z=4, D c=2.07 g\5cm -3 , R=0.066, R w=0.069, S=1.33, \{(Δ/σ) max =\}0 04, \{(Δρ) max =\}91 e·nm -3 .

关键词：水热合成晶体结构混合价态

Clinical comprehensive treatment protocol for managing diabetic foot ulcers:A retrospective cohort study

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World Journal of Clinical Cases 2024年第17期12卷 2976-2982页

作者： Yan-Bin Wang Yan Lv Guang-Yu Li ji-Ting Zheng qing-Xin jiang Ran Wei Department of Vascular Surgery Harbin 242 HospitalHarbin 150066Heilongjiang ProvinceChina First Department of General Surgery Harbin 242 HospitalHarbin 150066Heilongjiang ProvinceChina

BACKGROUND Diabetic foot ulcers(DFUs)are a common complication of diabetes,often leading to severe infections,amputations,and reduced quality of *** current standard treatment protocols for DFUs have limitations in promoting efficient wound healing and preventing complications.A comprehensive treatment approach targeting multiple aspects of wound care may offer improved outcomes for patients with *** hypothesis of this study is that a comprehensive treatment protocol for DFUs will result in faster wound healing,reduced amputation rates,and improved overall patient outcomes compared to standard treatment *** To compare the efficacy and safety of a comprehensive treatment protocol for DFUs with those of the standard treatment *** This retrospective study included 62 patients with DFUs,enrolled between January 2022 and January 2024,randomly assigned to the experimental(n=32)or control(n=30)*** experimental group received a comprehensive treatment comprising blood circulation improvement,debridement,vacuum sealing drainage,recombinant human epidermal growth factor and anti-inflammatory dressing,and skin *** control group received standard treatment,which included wound cleaning and dressing,antibiotics administration,and surgical debridement or amputation,if *** taken to reduce the white blood cell count,number of dressing changes,wound healing rate and time,and amputation rate were *** The experimental group exhibited significantly better outcomes than those of the control group in terms of the wound healing rate,wound healing time,and amputation ***,the comprehensive treatment protocol was safe and well tolerated by the *** Comprehensive treatment for DFUs is more effective than standard treatment,promoting granulation tissue growth,shortening hospitalization time,reducing pain and amputation rate,improving wound healing,and enhancing quality of life.

关键词： Diabetic foot ulcers Comprehensive treatment protocol Clinical study White blood cell count Wound healing Amputation rate

Species-level Microbiota of Biting Midges and Ticks from Poyang Lake

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Biomedical and Environmental Sciences 2024年第3期37卷 266-277,I0001-I0003页

作者： GONG jian WANG Fei Fei LIU Yang qing PU ji DONG Ling Zhi ZHANG Si Hui HUANG Zhen Zhou HUANG Yu Yuan LI Ya Ben YANG Cai Xin TAO Yuan Meihui ZHAO Li Jun jiN Dong LIU Li Yun YANG jing LU Shan Department of Epidemiology School of Public HealthShanxi Medical UniversityTaiyuan 030001ShanxiChina National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases National Institute for Communicable Disease Control and PreventionChinese Center for Disease Control and PreventionBeijing 102206China jiangxi Provincial Key Laboratory of Animal-Origin and Vector-Borne Diseases Nanchang Center for Disease Control and PreventionNanchang 330038JiangxiChina Research Units of Discovery of Unknown Bacteria and Function Chinese Academy of Medical SciencesBeijing 100730China

Objective The purpose of this study was to investigate the bacterial communities of biting midges and ticks collected from three sites in the Poyang Lake area,namely,Qunlu Practice Base,Peach Blossom Garden,and Huangtong Animal Husbandry,and whether vectors carry any bacterial pathogens that may cause diseases to humans,to provide scientific basis for prospective pathogen discovery and disease prevention and *** Using a metataxonomics approach in concert with full-length 16S rRNA gene sequencing and operational phylogenetic unit(OPU)analysis,we characterized the species-level microbial community structure of two important vector species,biting midges and ticks,including 33 arthropod samples comprising 3,885 individuals,collected around Poyang *** A total of 662 OPUs were classified in biting midges,including 195 known species and 373 potentially new species,and 618 OPUs were classified in ticks,including 217 known species and 326 potentially new ***,OPUs with potentially pathogenicity were detected in both arthropod vectors,with 66 known species of biting midges reported to carry potential pathogens,including Asaia lannensis and Rickettsia bellii,compared to 50 in ticks,such as Acinetobacter lwoffii and Staphylococcus *** found that Proteobacteria was the most dominant group in both midges and ***,the outcomes demonstrated that the microbiota of midges and ticks tend to be governed by a few highly abundant *** sp7 was predominant in biting midges,while Coxiella sp1 was enriched in ***,Coxiella spp.,which may be essential for the survival of Haemaphysalis longicornis Neumann,were detected in all tick *** identification of dominant species and pathogens of biting midges and ticks in this study serves to broaden our knowledge associated to microbes of arthropod *** Biting midges and ticks carry large numbers of known and potentially novel bacteria,and carry a wide

关键词： Biting midge Tick Microbiota Pantoea Coxiella

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基于分离式结构设计理念的液压靠船系统

水运工程 2016年第8期 50-54,60页

作者：陈建兴蒲彦如李垒垒高郑徐绩青重庆交通大学河海学院重庆400074

通过在靠船桩与叉桩间加入环形液压装置,并将叉桩与主体结构部分分离,提出了一种新型的浮式靠船系统。结合数值仿真模拟在船舶荷载撞击的情况下对靠船桩、叉桩进行了承载能力分析。与现有高桩码头及浮式靠船系统相比,该系统具有使用方... 详细信息

通过在靠船桩与叉桩间加入环形液压装置,并将叉桩与主体结构部分分离,提出了一种新型的浮式靠船系统。结合数值仿真模拟在船舶荷载撞击的情况下对靠船桩、叉桩进行了承载能力分析。与现有高桩码头及浮式靠船系统相比,该系统具有使用方便、保护码头主体不受撞击、减缓码头承载能力下降速率等优点。从使用安全和航运经济考虑,该新型靠船系统结构更优、使用更加安全、能提高码头装卸效率、有广阔的应用前景。

关键词：新型靠船系统部分分离环形液压装置码头承载能力

汽车引擎盖棱线拉延成形滑移线缺陷的工艺优化

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吉林大学学报（工学版） 2024年第8期54卷 2174-2180页

作者：梁继才张清禹梁策吉林大学材料科学与工程学院长春130022

针对汽车引擎盖外板拉延成形在锐棱处容易产生滑移线缺陷的问题,对可能产生外观缺陷的工艺参数进行了研究。首先运用单因素变量法,研究了压边力、摩擦因数、拉延筋强度、冲压方向对引擎盖外板拉延成形的影响,确定了各因素对滑移线影响... 详细信息

针对汽车引擎盖外板拉延成形在锐棱处容易产生滑移线缺陷的问题,对可能产生外观缺陷的工艺参数进行了研究。首先运用单因素变量法,研究了压边力、摩擦因数、拉延筋强度、冲压方向对引擎盖外板拉延成形的影响,确定了各因素对滑移线影响的主次顺序和大致拉延成形良好的范围。再利用正交试验方法和极差分析,寻求最优水平组合。研究结果表明:应用数值模拟技术能够提高引擎盖外板成形质量,减少试模次数、缩短生产周期、降低生产成本。合理的工艺参数组合可以对滑移线缺陷进行优化,增加了对滑移线缺陷进行控制的方法。

关键词：汽车引擎盖锐棱成形工艺研究

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[(C_2H_5)_4N]_2{Fe_4S_4[S_2CN(C_2H_5)_2]_4}的晶体和分子结构

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化学学报 1989年第1期47卷 1-5页

作者：杨光第孙宏林徐吉庆千古松魏洤吉林大学理论化学研究所吉林大学化学系

[(C_2H_5)_4N]_2{Fe_4S_4[S_2CN(C_2H_5)_2]_4}单晶样品在Nicolet-R3四圆衍射仪上收集X射线衍射数据。分析结果给出其晶胞参数:a=22.125(6),b=11.313(3),c=25.053(8)A;β=118.05(2)°;V=5534.19A^3,Z=4,空间群Cc。衍射数据经过Lp因子和经验吸收效应校正。分子中铁原子的位置从三维Patterson图上得到。接着经过若干轮Fourier和差Fourier电子云密度合成,发现全部其余非氢原子的坐标。氢原子位置根据理论模型计算。结构修正最后收敛至R=0.073,R_w=0.069.标题化合物是由[(C_2H_5)_4N]^+和{Fe_4[S_2CN(C_2H_5)_2]}^(2-)组成的离子型化合物。结构的主要特点表现在阴离子上,而在阴离子中含有类立方烷型簇核Fe_4S_4。该簇核中每个铁原子与五个硫原子配位,其配位多面体构型均为畸变的四方锥。

关键词：离子型晶体分子结构 X线衍射

Wearable and interactive multicolored photochromic fiber display

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Light(Science & Applications) 2024年第3期13卷 454-465页

作者： Pan Li Yuwei Wang Xiaoxian He Yuyang Cui jingyu Ouyang Ju Ouyang Zicheng He jiayu Hu Xiaojuan Liu Hang Wei Yu Wang Xiaoling Lu Qian ji Xinyuan Cai Li Liu Chong Hou Ning Zhou Shaowu Pan Xiangru Wang Huamin Zhou Cheng-Wei Qiu Yan-qing Lu Guangming Tao State Key Laboratory of Material Processing and Die&Mould Technology School of Materials Science and Engineering and Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan 430074China Key Laboratory of Vascular Aging(HUST) Ministry of EducationWuhan 430030China School of Optoelectronic Science and Engineering University of Electronic Science and Technology of ChinaChengdu 611731China Department of Electrical and Computer Engineering National University of SingaporeSingapore 117583Singapore National Laboratory of Solid State Microstructures Key Laboratory of Intelligent Optical Sensing and ManipulationCollege of Engineering and Applied Sciencesand Collaborative Innovation Center of Advanced MicrostructuresNanjing UniversityNanjing 210023China School of Performing Arts Wuhan Conservatory of MusicWuhan 430060China School of Mechanical Science and Engineering Huazhong University of Science and TechnologyWuhan 430074China School of Architecture and Urban Planning Huazhong University of Science and TechnologyWuhan 430074China School of Fashion Beijing Institute of Fashion TechnologyBeijing 100029China School of Optical and Electronic Information Huazhong University of Science and TechnologyWuhan 430074China Tongji Medical College Huazhong University of Science and TechnologyWuhan 430074China State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and EngineeringDonghua UniversityShanghai 201620China

Endowing flexible and adaptable fiber devices with light-emitting capabilities has the potential to revolutionize the current design philosophy of intelligent,wearable interactive ***,significant challenges remain in developing fiber devices when it comes to achieving uniform and customizable light effects while utilizing lightweight ***,we introduce a mass-produced,wearable,and interactive photochromic fiber that provides uniform multicolored light *** designed independent waveguides inside the fiber to maintain total internal reflection of light as it traverses the *** impact of excessive light leakage on the overall illuminance can be reduced by utilizing the saturable absorption effect of fluorescent materials to ensure light emission uniformity along the transmission *** addition,we coupled various fluorescent composite materials inside the fiber to achieve artificially controllable spectral radiation of multiple color systems in a single *** prepared fibers on mass-produced kilometer-long using the thermal drawing *** fibers can be directly integrated into daily wearable devices or clothing in various patterns and combined with other signal input components to control and display patterns as *** work provides a new perspective and inspiration to the existing field of fiber display interaction,paving the way for future human–machine integration.

关键词： fiber interactive colored