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Effects of higher femoral tunnels on clinical outcomes,MRI,and second-look findings in double-bundle anterior cruciate ligament reconstruction with a minimal 5-year follow-up

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Chinese Medical Journal 2024年第4期137卷 465-472页

作者： Lin Lin haijun Wang Jian Wang Yongjian Wang Yourong chen Jiakuo Yu Sports Medicine Department Beijing Key Laboratory of Sports InjuriesPeking University Third HospitalBeijing 100191China Peking University Institute of Sports Medicine Beijing 100191China

Background:To perform anatomical anterior cruciate ligament reconstruction(ACLR),tunnels should be placed relatively higher in the femoral anterior cruciate ligament(ACL)footprint based on the findings of direct and indirect femoral *** the clinical results of higher femoral tunnels(HFT)in double-bundle ACLR(DB-ACLR)remain *** purpose was to investigate the clinical results of HFT and lower femoral tunnels(LFT)in ***:From September 2014 to February 2016,83 patients who underwent DB-ACLR and met the inclusion and exclusion criteria were divided into HFT-ACLR(group 1,n=37)and LFT-ACLR(group 2,n=46)according to the position of femoral *** and at the final follow-up,clinical scores were evaluated with International Knee Documentation Committee(IKDC),Tegner activity,and Lysholm *** stability of the knee was evaluated with KT-2000,Lachman test,and pivot-shift *** degeneration grades of the International Cartilage Repair Society(ICRS)were evaluated on magnetic resonance imaging(MRI).Graft tension,continuity,and synovialization were evaluated by second-look ***-to-sports was assessed at the final ***:Significantly better improvement were found for KT-2000,Lachman test,and pivot-shift test postoperatively in group 1(P>0.05).Posterolateral bundles(PL)showed significantly better results in second-look arthroscopy regarding graft tension,continuity,and synovialization(P0.05).No statistically significant differences were found in IKDC subjective score,Tegner activity,and Lysholm score between the two *** return-to-sports rate was found in group 1 with 86.8%(32/37)vs.65.2%(30/46)in group 2(P=0.027).Conclusion:The HFT-ACLR group showed better stability results,better PL,and higher return-to-spo

关键词： Anterior cruciate ligament reconstruction Direct insertion Double bundle Second-look arthroscopy Femoral tunnel Anterior cruciate ligament rupture

Surface air temperature change in the Wuyi Mountains,southeast China

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Journal of Mountain Science 2024年第6期21卷 1992-2004页

作者： QIN Yihui WEI Yuxing LU Jiayi MAO Jiahui chen Xingwei GAO Lu chen Ying LIU Meibing DENG haijun Institute of Geography Fujian Normal UniversityFuzhou 350117China National Demonstration Center for Experimental Geography Education Fujian Normal UniversityFuzhou 350117China School of Geographical Science Fujian Normal UniversityFuzhou 350117China Fujian Provincial Engineering Research Center for Monitoring and Assessing Terrestrial Disasters Fujian Normal UniversityFuzhou 350117China Laboratory for Humid Subtropical Eco-geographical Processes of the Ministry of Education Fujian Normal UniversityFuzhou 350117China

Detecting changes in surface air temperature in mid-and low-altitude mountainous regions is essential for a comprehensive understanding of warming trend with *** use daily surface air temperature data from 64 meteorological stations in Wuyi Mountains and its adjacent regions to analyze the spatio-temporal patterns of temperature *** results show that Wuyi Mountains have experienced significant warming from 1961 to *** warming trend of the mean temperature is 0.20℃/decade,the maximum temperature is 0.17℃/decade,and the minimum temperature is 0.26℃/*** 1961-1990,more than 63%of the stations showed a decreasing trend in annual mean temperature,mainly because the maximum temperature decreased during this ***,in 1971-2000,1981-2010 and 1991-2018,the maximum,minimum and mean temperatures *** fastest increasing trend of mean temperature occurred in the southeastern coastal plains,the quickest increasing trend of maximum temperature occurred in the northwestern mountainous region,and the increase of minimum temperature occurred faster in the southeastern coastal and northwestern mountainous regions than that in the central ***,this study suggests that elevation does not affect warming in the Wuyi *** results are beneficial for understanding climate change in humid subtropical middle and low mountains.

关键词： Climate change Surface air temperature Temporal and spatial changes Mann-Kendall nonparametric test Wuyi Mountains

Insights into the mechanism of L-malic acid on drip loss of chicken meat under commercial conditions

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Journal of Animal Science and Biotechnology 2024年第3期15卷 1312-1324页

作者： haijun Sun Xue Yan Lu Wang Ruimin Zhu Meixia chen Jingdong Yin Xin Zhang State Key Laboratory of Animal Nutrition and Feeding College of Animal Science and TechnologyChina Agricultural UniversityBeijing 100193China New Hope Liuhe Co. Ltd./Key Laboratory of Feed and Livestock and Poultry Products Quality&Safety ControlMinistry of AgricultureChengduSichuan 610023China Institute of Animal Husbandry and Veterinary Medicine Beijing Academy of Agriculture and Forestry SciencesBeijing 100097China

Background A deterioration in the meat quality of broilers has attracted much more attention in recent years.L-malic acid(MA)is evidenced to decrease meat drip loss in broilers,but the underlying molecular mechanisms are still ***’s also not sure whether the outputs obtained under experimental conditions can be obtained in a com-mercial ***,we investigated the effects and mechanisms of dietary MA supplementation on chicken meat drip loss at large-scale *** Results showed that the growth performance and drip loss were improved by MA *** metabolome revealed that L-2-aminoadipic acid,β-aminoisobutyric acid,eicosapentaenoic acid,and nicotinamide,as well as amino acid metabolism pathways connected to the improvements of meat quality by MA *** transcriptome analysis further indicated that the effect of MA on drip loss was also related to the proper immune response,evidenced by the enhanced B cell receptor signaling pathway,NF-κB signaling pathway,TNF signaling pathway,and IL-17 signaling *** We provided evidence that MA decreased chicken meat drip loss under commercial *** and transcriptome revealed a comprehensive understanding of the underlying ***,MA could be used as a promising dietary supplement for enhancing the water-holding capacity of chicken meat.

关键词： Drip loss Immune response L-malic acid Meat quality Metabolome Transcriptome

Transcription factor CabHLH035 promotes cold resistance and homeostasis of reactive oxygen species in pepper

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Horticultural Plant Journal 2024年第3期10卷 823-836页

作者： Huafeng Zhang Jiangbai Guo Xiaoqing chen Yunyun Zhou Yingping Pei Lang chen Saeed ul Haq Mingke Zhang haijun Gong Rugang chen College of Horticulture Northwest A&F UniversityYanglingShaanxi 712100China Shaanxi Engineering Research Center for Vegetables YanglingShaanxi 712100China Department of Horticulture The University of Agriculture PeshawarPeshawarKhyber Pakhtunkhwa 25130Pakistan

Plant basic helix-loop-helix(bHLH)transcription factors(TFs)play central roles in various abiotic ***,its role in plant cold resistance is largely ***,we characterised CaNAC035 in pepper,which positively regulates tolerance to cold,salt and drought stresses ***,we identified CabHLH035,a CaNAC035-interacting protein in *** explore its functions in cold stress tolerance,we silenced the gene in pepper via virus-induced gene silencing(VIGS)and overexpressed the gene in *** results showed that CabHLH035 expression was induced by cold treatment,and silencing of CabHLH035 decreased cold stress ***,overexpression of CabHLH035 in Arabidopsis increased cold stress *** investigate homologs genes of C-repeat binding factor(CBF)pathway proteins and reactive oxygen species(ROS)marker gene expression blocking by CabHLH035,we performed yeast one-hybrid(Y1H),dual luciferase and electrophoretic mobility shift assay *** results showed that CabHLH035 bound to the region upstream of the CaCBF1A and CaAPX ***,CaCBF1A bound to the CaDHN4 *** together,our results showed that CabHLH035 plays a crucial role in cold stress tolerance and its potential as a target for breeding cold-resistant *** findings provide a basis for studying the functions and regulatory network of cold stress tolerance in pepper.

关键词： Pepper CabHLH035 Silencing Overexpression VIGS Cold tolerance

Osteology of Leptobrachella bijie(Anura,Megophryidae)

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Asian Herpetological Research 2024年第2期15卷 90-103页

作者： Wei LI Meihua ZHANG Zhonghao LUO Jing LIU Tuo SHEN Bo chen haijun SU Bin WANG College of Forestry Guizhou UniversityGuiyang 550025GuizhouChina chengdu Institute of Biology Chinese Academy of SciencesChengdu 610041SichuanChina

The Asian leaf litter toad genus Leptobrachella contains more than 100 species widely distributed in southwestern ***,the systematic profiles of this group remain *** morphology is important for taxonomic and phylogenetic ***,few studies have focused on the osteology of the ***,we comprehensively described the osteological features of a representative species *** based on micro-CT scanning and double-staining *** results show that the skull of adult *** is well-ossified,exhibiting sexual dimorphism and minimal intraspecific *** skull length is slightly greater than the width,with the maxilla slightly overlapping with the *** nasal connects with the sphenethmoid in males,but only part or not connects with the sphenethmoid in *** transverse processes of the sacrum are robust and symmetrically butterfly-shaped,and the presacral vertebrae are *** pectoral girdle is *** phalangeal formula is 2-2-3-3 for the hand,and 2-2-3-4-3 for the *** study provides the first detailed and comprehensive osteological accounts of the genus Leptobrachella.

关键词： sexual dimorphism skeleton taxonomy

CFD investigation of structural effects of internal gas intake on powder conveying performance in fuel supply systems for aerospace engines

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颗粒学报（英文版） 2024年第9期92卷 140-154页

作者： Guanlong Ren haijun Sun Fangjun chen Wen Shen Yunzhen Cai Yihua Xu Henrik Ström Bilainu Oboirien Qingang Xiong School of Aircraft Engineering Nanchang Hangkong UniversityNanchang330063China Engineering Research Center of Aero-engine Technology for General Aviation Ministry of EducationNanchang330063China State Key Laboratory of Pulp and Paper Engineering South China University of TechnologyGuangzhou510640China School of Aircraft Engineering Nanchang Hangkong UniversityNanchang330063China Engineering Research Center of Aero-engine Technology for General Aviation Ministry of EducationNanchang330063China State Key Laboratory of Pulp and Paper Engineering South China University of TechnologyGuangzhou510640China Department of Mechanics and Maritime Sciences Chalmers University of TechnologyGöteborg412 96Sweden Department of Chemical Engineering University of JohannesburgJohannesburg17011South Africa

Optimal design of gas intake in powder fuel supply systems is crucial for performance of aerospace *** is little research on the impact of intake structure on powder conveying *** novel internal intakes were proposed,which are spherical,cube-shaped,and *** validation,CFD simulations demonstrate that fluctuation of mass flow rate of powders in the dome-shaped intake is reduced by about 73.3％compared with the annular external *** trends of phase velocities are similar for the spherical and cube-shaped intakes,while those are similar for the annular external and dome-shaped internal *** of area of gas zone for the annular external and spherical internal intakes is larger than that for the cube-shaped and dome-shaped internal *** and relative pressure drop in the fluidization chamber have a stable stage,and fluc-tuation of relative pressure drop is small when dome-shaped internal intake is used.

关键词： Dense gas-solid flow Intake structure Powder fluidization Powder supply system Pressure drop Two-fluid model

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微细粒矿物选择性絮凝理论与技术进展

矿产保护与利用 2024年第3期44卷 27-37页

作者：郭图悦谢海云晋艳玲李建娟冯梦菲陈海君刘殿文昆明理工大学国土资源工程学院云南昆明650093 云南省战略金属矿产资源绿色分离与富集重点实验室云南昆明650093 西南联合研究生院云南昆明650500

我国有大量难处理的微细粒矿产资源,选择性絮凝技术是提高微细粒矿物回收的有效途径之一。首先分析了微细粒矿物的性质及其难浮选的原因,其次阐述了选择性絮凝的相关理论研究进展,最后对目前常见的选择性高分子絮凝剂进行分类,并对絮凝... 详细信息

我国有大量难处理的微细粒矿产资源,选择性絮凝技术是提高微细粒矿物回收的有效途径之一。首先分析了微细粒矿物的性质及其难浮选的原因,其次阐述了选择性絮凝的相关理论研究进展,最后对目前常见的选择性高分子絮凝剂进行分类,并对絮凝剂和选择性絮凝分选工艺在微细粒矿物分选中的研究和应用现状进行了分析和总结,认为絮凝剂选择性较弱、成本偏高、会产生环境影响、絮凝设备缺乏等是目前存在的主要问题,指出开发选择性强的新型絮凝剂、絮凝设备和絮凝工艺是未来的发展趋势。

关键词：微细粒矿物选择性絮凝絮凝剂絮凝理论分选工艺

基于地震方差体属性改善断面成像的技术应用——以西江主洼西次洼北部陡坡带为例

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石油地质与工程 2024年第2期38卷 46-52页

作者：史运华杨建锋张晓钊徐云霞张治忠陈海军中海石油(中国)有限公司深圳分公司南海东部石油研究院广东深圳518000 斯伦贝谢科技服务(北京)有限公司北京100020

断面成像质量提升是解决断裂系统复杂、地质异常体发育、信噪比较低、断裂成像不清晰、断面交切关系难以识别等地质问题的关键。西江主洼西次洼北部陡坡带具备源-断-脊优势油气运移模式,储层内幕以复杂断裂构造为主,部分地区受火山岩影... 详细信息

断面成像质量提升是解决断裂系统复杂、地质异常体发育、信噪比较低、断裂成像不清晰、断面交切关系难以识别等地质问题的关键。西江主洼西次洼北部陡坡带具备源-断-脊优势油气运移模式,储层内幕以复杂断裂构造为主,部分地区受火山岩影响,为解决断裂体系成像模糊、断裂交切关系不明、地震信息多解性强等问题,开展了基于地震方差体属性改善断面成像的技术研究及应用。其基本思路为利用方差体属性分析方法对断裂系统相干追踪的优势,将方差体属性中的相干性对成像体进行相干加权处理,从而提升断面成像效果。应用结果表明,基于叠后成像数据品质的改善,既保持了层位的连续性又最大限度地保持了断点成像的特征,且使洼陷内部地震资料成果品质得以提升,断面成像及基底形态与断裂成像更加清晰,具有较好的应用效果。

关键词：绕射波成像断裂系统成像地震方差体属性叠后断面成像提升

Interfacial Reaction of Ti6Al4V Lattice Structure-Reinforced VW92 Alloy Matrix Composites

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Acta Metallurgica Sinica(English Letters) 2024年第3期37卷 570-576页

作者： haijun Wang Renju cheng Xianhua chen Mingbo Yang Daiyi Deng Lirui Liu Yongfeng Zhou Yanlong Ma Kaihong Zheng Fusheng Pan College of Materials Science and Engineering Chongqing University of TechnologyChongqing 400054China College of Materials Science and Engineering Chongqing UniversityChongqing 400044China Institute of New Materials Guangdong Academy of SciencesGuangzhou 510650China

A novel melting infiltration by ultrasonic vibration was investigated and applied to fabricate Ti6Al4V(TC4)lattice structure-reinforced Mg-10Gd-2Y-1Zn-xZr(refer to VW92 hereafter,x=0,0.5 wt%)alloy matrix *** edge-to-edge matching model indicates that the well-matching and possible orientation relationships(ORs)between theα-Mg andα-Ti,[10-10]_(α-Mg)//[11-23]_(α-Ti) in(0002)_(α-Mg)//(10-10)_(α-Ti) possesses the smallest misfit of 0.4%(f_(r)),and thus theα-Mg grains can nucleate on the TC4 lattice *** reaction occurred in the TC4/VW92+0.5 wt%Zr composites,and the reaction product was confirmed to be Al_(2)Zr_(3),AlZr_(2) andα-Ti(Zr)particles formed by continuous solution of *** the interfacial products,the AlZr_(2) phase is a brittle phase with high-volume fraction,which is not conducive to the load *** generally speaking,theα-Ti(Zr)and theα-Mg tend to form a coherent interface,which is beneficial for improving the interfacial bonding strength of composites.

关键词： TC4 VW92 composites TC4 lattice structure Interfacial reaction Mismatch