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Insect Science 2021年第1期28卷 77-92页

作者： Zhen-Yu Zhang Jing Ren Fei Chu jun-xia guan guang-Yu Yang Yu-Tong Liu Xin-Ying Zhang Si-Qin Ge Qiu-Ying Huang Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory College of Plant Science and TechnologyHuazhong Agricultural UniversityWuhanChina Key Laboratory of Zoological Systematics and Evolution Institute of ZoologyChinese Academy of SciencesBeijingChina

Swarming behavior facilitates pair formation,and therefore mating,in many eusocial ***,the physiological adjustments and morphological transformations of the flight muscles involved in flying and flightless insect forms are still ***,we found that the dispersal flight of the eusocial termite Reticulitermes chinensis Snyder led to a gradual decrease in adenosine triphosphate supply from oxidative phospho・rylation,as well as a reduction in the activities of critical mitochondrial respiratory enzymes from preflight to ***,using three-dimensional reconstruction and transmission electron microscopy(TEM),the flight muscles were found to be gradually deteriorated during this *** particular,two tergo-pleural muscles(IItpm5 and IIItpm5)necessary to adjust the rotation of wings for wing shedding behavior were present only in flying *** findings suggest that flight muscle systems vary in function and morphology to facilitate the swarming flight procedure,which sheds light on the important role of swarming in successful extension and fecundity of eusocial termites.

关键词： dispersal flight eusocial termite flight muscle mitochondrial oxidative phosphorylation swarming behavior three-dimensional reconstruction

Mechanistic insight into the synergy between nickel single atoms and nanoparticles on N-doped carbon for electroreduction of CO2

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Journal of Energy Chemistry 2025年第1期100卷 327-336页

作者： Mingdong Sun Wenwen guan Cailing Chen Chao Wu xiaoling Liu Biao Meng Tao Chen Yu Han jun Wang Shibo Xi Yu Zhou State Key Laboratory of Materials-Oriented Chemical Engineering College of Chemical Engineering Nanjing Tech University Advanced Membranes and Porous Materials Center Physical Sciences and Engineering Division King Abdullah University of Science and Technology Institute of Sustainability for Chemicals Energy and Environment A*STAR (Agency for Science Technology and Research) College of Materials Science and Engineering Sichuan University

The synergy of single atoms （SAs） and nanoparticles （NPs） has demonstrated great potential in promoting the electrocatalytic carbon dioxide reduction reaction （CO2RR）;however,the rationalization of the SAs/NPs proportion remains one challenge for the catalyst ***,a Ni2+-loaded porous poly（ionic liquids）(PIL) precursor synthesized through the free radical self-polymerization of the ionic liquid monomer,1-allyl-3-vinylimidazolium chloride,was pyrolyzed to prepare the Ni,N co-doped carbon materials,in which the proportion of Ni SAs and NPs could be facilely modulated by controlling the annealing *** catalyst Ni-NC-1000 with a moderate proportion of Ni SAs and NPs exhibited high efficiency in the electrocatalytic conversion of CO2into *** Ni K-edge X-ray absorption near-edge structure （XANES） spectra and theoretical calculations were conducted to gain insight into the synergy of Ni SAs and *** charge transfer from Ni NPs to the surrounding carbon layer and then to the Ni SAs resulted in the electron-enriched Ni SAs active *** the electroreduction of CO2,the coexistence of Ni SAs and NPs strengthened the CO2activation and the affinity towards the key intermediate of*COOH,lowering the free energy for the potential-determining*CO2→*COOH step,and therefore promoted the catalysis efficiency.

关键词： Single atom catalyst Synergy effect Carbon catalyst Electrocatalysis

综合性护理干预对股骨近端髓内钉内固定术治疗老年股骨转子间骨折患者术后髋关节功能的影响分析

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中华全科医学 2017年第10期15卷 1802-1804页

作者：葛君杨克侠官建中蚌埠医学院第一附属医院骨科安徽蚌埠233004

目的探讨综合性护理干预对股骨近端髓内钉内固定术治疗老年股骨转子间骨折患者术后髋关节功能的影响,为临床疾病康复指导提供可靠依据。方法选取2015年5月—2016年5月于蚌埠医学院第一附属医院就诊并同意参与本次研究的老年股骨转子间... 详细信息

目的探讨综合性护理干预对股骨近端髓内钉内固定术治疗老年股骨转子间骨折患者术后髋关节功能的影响,为临床疾病康复指导提供可靠依据。方法选取2015年5月—2016年5月于蚌埠医学院第一附属医院就诊并同意参与本次研究的老年股骨转子间骨折患者98例,均进行股骨近端髓内钉内固定术,按随机数字表法分为2组,对照组49例,开展常规护理干预,包括术前检查、用药指导、合理饮食等;观察组49例,开展综合护理干预,包括术前准备工作、心理护理、术后病情观察、并发症预防、疼痛护理、肢体功能锻炼等,采用Harris评分标准对2组患者术后髋关节功能恢复情况进行评定,比较2组术后并发症发生情况,同时设计问卷调查表,对患者护理满意度进行评定,组间术后髋关节功能恢复情况比较采用t检验,组间术后并发症采用χ~2检验,组间护理满意度采用秩和检验,P<0.05为差异有统计学意义。结果观察组治疗后Harris评分为(86.81±10.62)分,高于对照组[(72.32±7.43)分],差异有统计学意义(t=7.826,P<0.05);观察组术后并发症发生率为4.08%,低于对照组的18.37%,差异有统计学意义(χ~2=5.018,P<0.05);观察组护理满意度为97.96%,高于对照组的75.51%,差异有统计学意义(Hc=3.501,P<0.05)。结论对老年转子间骨折患者开展股骨近端髓内钉内固定术的同时,配合综合护理干预措施的开展,可促进患者髋关节功能恢复,同时可降低术后并发症发生率,提高护理质量,具有良好的应用效果。

关键词：老年患者股骨转子间骨折股骨近端髓内钉内固定术综合护理干预

Formation and structure of composite coating of HDA and micro-plasma oxidation on A3 steel

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中国有色金属学会会刊：英文版 2004年第Z1期14卷 310-314页

作者： YU Sheng-xue xia Yuan CHEN Ling guan Yong-jun YAO Mei Department of Environment Science and Chemical Engineering Yanshan University Qinhuangdao 066004 China Institute of Mechanics Chinese Academy of Science Beijing 100080 China Institute of Mechanics Chinese Academy of Science Beijing 100080 China Department of Environment Science and Chemical EngineeringYanshan University Qinhuangdao 066004 China Institute of Mechanics Chinese Academy of Science Beijing 100080 China College of Materials Science and EngineeringYanshan University Qinhuangdao 066004 China

Composite coatings were obtained on A3 steel by hot dipping aluminum(HDA) at 720 ℃ for 6 min and micro-plasma oxidation(MPO) in alkali electrolyte. The surface morphology, element distribution and interface structure of composite coatings were studied by means of XRD, SEM and EDS. The results show that the composite coatings obtained through HDA/MPO on A3 steel consist of four layers. From the surface to the substrate, the layer is loose Al2O3 ceramic, compact Al2O3 ceramic, Al and FeAl intermetallic compound layer in turn. The adhesions among all the layers are strengthened because the ceramic layer formed at the Al surface originally, FeAl intermetallic compound layer and substrate are combined in metallurgical form through mutual diffusion during HDA *** experiment results disclose that the anti-corrosion performance and wear resistance of composite coating are obviously improved through HDA/MPO treatment.

关键词： hot dipping aluminum micro-plasma oxidation composite coating ceramic coating

A Novel PLL Structure for Dynamic Stability Improvement of DFIG-based Wind Energy Generation Systems During Asymmetric LVRT

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Journal of Modern Power Systems and Clean Energy 2023年第4期11卷 1149-1164页

作者： Lei guan jun Yao State Key Laboratory of Power Transmission Equipment&System Security and New Technology School of Electrical EngineeringChongqing UniversityChongqing 400044China

The dynamic coupling effect,which is introduced by the dual-sequence phase-locked loops(PLLs)used in doublyfed induction generator(DFIG)based wind energy generation systems(WEGSs)during asymmetric low voltage ride-through(LVRT)in weak grid,needs *** order to study this new dynamic coupling effect,an equivalent two-degree-of-freedom(2-DOF)spring damper particle model is used in this paper to develop a small-signal model for the dual-sequence *** dynamic interaction between the positive-sequence(PS)and negative-sequence(NS)PLLs is ***,the impact of the dynamic coupling between the dual-sequence PLLs on the dynamic stability during the steady-state stage of an asymmetric fault is *** analysis results show that the dynamic coupling between the dual-sequence PLLs will cause drift in the frequency and damping for the PS and NS PLL *** will change the instability modal of the system and introduce the risk of dynamic ***,the effectiveness of existing control strategies for enhancing the dynamic stability will be ***,a novel PLL structure is designed to improve the dynamic stability of the system during the steady-state stage of an asymmetric *** effectiveness of the proposed strategy is verified by simulations and experiments.

关键词： Doubly-fed induction generator(DFIG) phaselocked loop(PLL) dynamic stability dynamic coupling weak grid asymmetric low-voltage ride through(LVRT)

Condensation behavior of gaseous phase during transported in the near-substrate boundary layer of plasma spray-physical vapor deposition

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Journal of Materials Science & Technology 2021年第8期67卷 127-134页

作者： Mei-jun Liu guan-jun Yang State Key Laboratory for Mechanical Behavior of Materials School of Materials Science and EngineeringXi'an fiaotong UniversityXi’anShaanxi710049PR China

Plasma spray-physical vapor deposition(PS-PVD)has exhibited the potential ability to prepare columnar structures for advanced thermal barrier coatings(TBCs).The coating structure is nominally affected by operating parameters,but it is controlled by the type of deposition unit actually and *** order to realize the columnar structure deposited by gaseous phase units,the transition behavior of gaseous phase units to clusters must be fundamentally *** work investigated the transport process of gaseous phase units in the PS-PVD near-substrate boundary layer along with the condensation *** Monte Carlo method was used to examine the transport process and condensation behavior of gaseous phase units under different scale boundary *** results show that it is easier to form more numerous larger clusters at the edge of the plasma jet than at the *** on the understanding of the changes in deposition unit caused by the condensation of gaseous phase in the near-substrate boundary layer of PS-PVD,an outlook towards TBCs with different structures is *** it is in good agreement with the experimental data.

关键词： Condensation behavior Transport process Cluster Boundary layer PS-PVD

Preparation and Characterization of Amorphous Layer on Aluminum Alloy Formed by Plasma Electrolytic Deposition(PED)

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材料热处理学报 2004年第05B期25卷 1084-1087页

作者： guanYong-jun xiaYuan InstituteofMechanics CASBeijingChina

In this investigation, protective layers were formed on aluminum substrate by Plasma Electrolytic Deposition (PED) using sodium silicate solution. The relation between the thickness of the layer and process time were studied. XRD, SEM, EDS were used to study the layer’s structure, composition and micrograph. The results show that the deposited layers are amorphous and contain mainly oxygen, silicon, and aluminum. The possible formation mechanism of amorphous [Al-Si-O] layer was proposed: During discharge periods, A12O3 phase of the passive film and SiO32"near the substrate surface are sintered into xSiO2(l - x)Al2O, and then transformed into amorphous [Al-Si-O] phase.

关键词：等离子电镀非晶形层铝合金 PED

Integrated analysis of single-cell and bulk RNA-seq establishes a novel signature for prediction in gastric cancer

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World Journal of Gastrointestinal Oncology 2023年第7期15卷 1215-1226页

作者： Fei Wen Xin guan Hai-xia Qu xiang-jun Jiang Qingdao University Medical CollegeQingdao 266000Shandong ProvinceChina Department of Gastroenterology Qingdao Municipal HospitalQingdao 266071Shandong ProvinceChina

BACKGROUND Single-cell sequencing technology provides the capability to analyze changes in specific cell types during the progression of ***,previous single-cell sequencing studies on gastric cancer(GC)have largely focused on immune cells and stromal cells,and further elucidation is required regarding the alterations that occur in gastric epithelial cells during the development of *** To create a GC prediction model based on single-cell and bulk RNA sequencing(bulk RNA-seq)*** In this study,we conducted a comprehensive analysis by integrating three singlecell RNA sequencing(scRNA-seq)datasets and ten bulk RNA-seq *** analysis mainly focused on determining cell proportions and identifying differentially expressed genes(DEGs).Specifically,we performed differential expression analysis among epithelial cells in GC tissues and normal gastric tissues(NAGs)and utilized both single-cell and bulk RNA-seq data to establish a prediction model for *** further validated the accuracy of the GC prediction model in bulk RNA-seq *** also used Kaplan–Meier plots to verify the correlation between genes in the prediction model and the prognosis of *** By analyzing scRNA-seq data from a total of 70707 cells from GC tissue,NAG,and chronic gastric tissue,10 cell types were identified,and DEGs in GC and normal epithelial cells were *** determining the DEGs in GC and normal gastric samples identified by bulk RNA-seq data,a GC predictive classifier was constructed using the Least absolute shrinkage and selection operator(LASSO)and random forest *** LASSO classifier showed good performance in both validation and model verification using The Cancer Genome Atlas and Genotype-Tissue Expression(GTEx)datasets[area under the curve(AUC)_min=0.988,AUC_1se=0.994],and the random forest model also achieved good results with the validation set(AUC=0.92).Genes TIMP1,PLOD3,CKS2,TYMP,TNFRSF10B,CPNE1,GDF15,BCAP31,and CLDN7 were identified to ha

关键词： Gastric cancer Single-cell RNA sequencing Prediction model Least absolute shrinkage and selection operator Random forest

A new era of flood control strategies from the perspective of managing the 2020 Yangtze River flood

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Science China Earth Sciences 2021年第1期64卷 1-9页

作者： jun xia Jin CHEN State Key Laboratory of Water Resources and Hydropower Engineering Sciences Wuhan UniversityWuhan 430072China Wuhan University Yangtze River Academy of SciencesChangjiang Water Resources Commission of the Ministry of Water ResourcesWuhan 430015China

Flood control of the Yangtze River is an important part of China’s national water *** July 2020,due to continuous heavy rainfall,the water levels along the middle-lower reaches of the Yangtze River and major lakes constantly exceeded the warning levels,in which Taihu Lake exceeded its highest safety water level and some stations of Poyang Lake reached their highest water levels in its *** August 2020,another huge flood occurred in the Minjiang River and the Jialing River in the upper Yangtze River,and some areas of Chongqing Municipality and other cities along the rivers were inundated,resulting in great pressure on flood control and high disaster *** 2020 Yangtze River flood has received extensive media coverage and raised concerns on the roles of the Three Gorges Dam and other large reservoirs in flood *** we analyze the changes in the pattern of the Yangtze River flood control by comparing the strategies to tackle the three heavy floods occurring in 1954,1998,and *** propose that the overall strategy of the Yangtze River flood control in the new era should adhere to the principle of"Integration of storage and drainage over the entire Yangtze River Basin,with draining floods downstream as the first priority"by using both engineering and non-engineering *** the basis of embankments,the engineering measures should use the Three Gorges Dam and other large reservoirs as the major regulatory means,promote the construction of key flood detention areas,keep the floodways clear,and maintain the ecosystem services of wetlands and *** terms of non-engineering measures,we should strengthen adaptive flood risk management under climate change,standardize the use of lands in flood detention areas,give space to floods,and promote the implementation of flood risk maps and flood insurance *** ultimate goal of this new flood control system is to enhance the adaptability to frequent floods and increase the resilience to extre

关键词： The 2020 Yangtze River flood Yangtze River Flood Control System Three Gorges Dam Protection of wetlands and shoals Non-engineering measures

Intestinal stem cells and intestinal organoids

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Journal of Genetics and Genomics 2020年第6期47卷 289-299页

作者： Qian Zhao Jiawei guan xia Wang School of Pharmaceutical Sciences Tsinghua UniversityBeijing 100084.China

The intestinal epithelium is one of the most rapidly renewing tissues,which is fueled by stem cells at the base of the *** of genetic lineage tracing and organoids,which capture major features of original tissues,are powerful avenues for exploring the biology of intestinal stem cells in vivo and in vitro,*** combination of intestinal organoideculturing system and genetic modification approaches provides an attractive platform to uncover the mechanism of colorectal cancer and genetic disorders in the human ***,we will provide a comprehensive overview of studies on intestinal epithelium and intestinal stem *** will also review the applications of organoids and genetic markers in intestinal research ***,we will discuss the advantages and drawbacks of organoids as disease models compared with mice models and cell lines.

关键词： Intestinal epithelium Intestinal stem cell Organoids Genetic marker Lineage tracing Disease model Colorectal cancer genomics Genetic disorders