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Integrated Clustering and Routing Design and Triangle Path Optimization for UAV-Assisted Wireless Sensor Networks

China Communications 2024年第4期21卷 178-192页

作者： Shao Liwei Qian Liping wu mengru wu Yuan College of Information Engineering Zhejiang University of TechnologyHangzhou 310014China State Key Laboratory of Internet of Things for Smart City University of MacaoMacaoChina Department of Computer and Information Science University of MacaoMacaoChina

With the development of the Internet of Things(IoT),it requires better performance from wireless sensor networks(WSNs),such as larger coverage,longer lifetime,and lower ***,a large amount of data generated from monitoring and long-distance transmission places a heavy burden on sensor nodes with the limited battery *** this,we investigate an unmanned aerial vehicles assisted mobile wireless sensor network(UAV-assisted WSN)to prolong the network lifetime in this ***,we use UAVs to assist the WSN in collecting *** the current UAV-assisted WSN,the clustering and routing schemes are determined ***,such a separate consideration might not maximize the lifetime of the whole WSN due to the mutual coupling of clustering and *** efficiently prolong the lifetime of the WSN,we propose an integrated clustering and routing scheme that jointly optimizes the clustering and routing *** the whole network space,it is intractable to efficiently obtain the optimal integrated clustering and routing ***,we propose the Monte-Las search strategy based on Monte Carlo and Las Vegas ideas,which can generate the chain matrix to guide the algorithm to find the solution *** point-to-point collection leads to long collection paths,so a triangle optimization strategy is then proposed that finds a compromise path to shorten the collection path based on the geometric distribution and energy of sensor *** avoid the coverage hole caused by the death of sensor nodes,the deployment of mobile sensor nodes and the preventive mechanism design are *** emergency data transmission mechanism is further proposed to reduce the latency of collecting the latency-sensitive data due to the absence of *** with the existing schemes,the proposed scheme can prolong the lifetime of the UAVassisted WSN at least by 360%,and shorten the collection path of UAVs by 56.24%.

关键词： Monte-Las search strategy triangle path optimization unmanned aerial vehicles wireless sensor networks

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贵州发展乡村旅游赋能乡村振兴路径探究

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广东蚕业 2024年第2期58卷 145-147页

作者：吴梦如贵州财经大学贵州贵阳550000

贵州宜人的气候和良好的生态环境,使得贵州具备开发以回归自然为主题的休闲度假、康体养生、科考探险等乡村生态旅游的良好基础。文章分析了贵州省发展乡村旅游的优势,探讨了贵州省乡村旅游赋能乡村振兴存在的宣传力度不足、产品同质化... 详细信息

贵州宜人的气候和良好的生态环境,使得贵州具备开发以回归自然为主题的休闲度假、康体养生、科考探险等乡村生态旅游的良好基础。文章分析了贵州省发展乡村旅游的优势,探讨了贵州省乡村旅游赋能乡村振兴存在的宣传力度不足、产品同质化严重、开发形式单一、智慧化程度不高等问题,提出了优化乡村旅游品牌宣传推广措施、推进农文旅产业融合创新发展、打造乡村旅游智慧化平台等优化路径建议,以期助力贵州省乡村旅游高质量发展,持续赋能乡村振兴。

关键词：乡村旅游乡村振兴实施路径贵州省

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羌活抗类风湿性关节炎活性成分及作用机制的研究进展

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中草药 2024年第9期55卷 3137-3145页

作者：汤露环吴梦茹陈妍妍徐子航姚雅琦李遇伯天津中医药大学中药学院天津中药功效物质重点实验室天津301617

羌活Notopterygii Rhizoma et Radix为伞形科羌活属植物,化学成分复杂,药理活性多样,临床应用广泛。在治疗类风湿性关节炎中具有重要作用。现代药理研究表明这与其香豆素类、聚烯炔类、黄酮类及酚酸类化合物具有抗炎镇痛、抑制滑膜增生... 详细信息

羌活Notopterygii Rhizoma et Radix为伞形科羌活属植物,化学成分复杂,药理活性多样,临床应用广泛。在治疗类风湿性关节炎中具有重要作用。现代药理研究表明这与其香豆素类、聚烯炔类、黄酮类及酚酸类化合物具有抗炎镇痛、抑制滑膜增生、抗骨破坏和抗氧化等良好的药理活性密切相关。通过对羌活中可能抗类风湿性关节炎活性成分并对其作用机制进行综述,为其药效物质基础及开发利用提供理论依据。

关键词：羌活类风湿性关节炎补骨脂素阿魏酸羌活醇异欧前胡素香叶木素

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针织结构医用敷料研究进展

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纺织工程学报 2024年第3期2卷 85-96页

作者：黄佳琪武梦茹马丕波江南大学纺织科学与工程学院江苏无锡214122

医用敷料的主要功能是临时覆盖各类创伤和创口表面,以防止细菌感染和其他外部因素对其造成不良影响,防止水分和蛋白质的过度流失,起到保护创口、创面,促进愈合的作用。针织结构的织物质地柔软、弹性良好,具有优异的灵活性和较大的孔隙... 详细信息

医用敷料的主要功能是临时覆盖各类创伤和创口表面,以防止细菌感染和其他外部因素对其造成不良影响,防止水分和蛋白质的过度流失,起到保护创口、创面,促进愈合的作用。针织结构的织物质地柔软、弹性良好,具有优异的灵活性和较大的孔隙率在医用敷料领域具有广泛的应用。对现有的针织结构医用敷料进行探究与总结,介绍了针织结构的相关特点,归纳总结了针织结构的特有优势增强或赋予医用敷料的部分功能以及对医用敷料未来前景的展望。

关键词：针织结构结构性能医用敷料功能化应用

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不同炮制方法对补骨脂中手性成分含量变化的影响

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中草药 2024年第15期55卷 5104-5111页

作者：姚雅琦陈妍妍汤露环张晓曼吴梦茹漆敏李遇伯天津中医药大学中药学院天津301617 天津中医药大学中药制药工程学院天津301617 天津泰普沪亚医药科技有限公司天津300392

目的考察经不同方法炮制前后补骨脂中补骨脂甲素(bavachin,BC)、补骨脂二氢黄酮甲醚(bavachinin,BVC)、补骨脂酚(bakuchiol,BAK)3种手性成分含量变化的差异,并结合分子对接技术初步明确此3种手性成分的对映异构体在毒性机制上的潜在差... 详细信息

目的考察经不同方法炮制前后补骨脂中补骨脂甲素(bavachin,BC)、补骨脂二氢黄酮甲醚(bavachinin,BVC)、补骨脂酚(bakuchiol,BAK)3种手性成分含量变化的差异,并结合分子对接技术初步明确此3种手性成分的对映异构体在毒性机制上的潜在差异。方法采用高效液相色谱-手性固定相(high performance liquid chromatography-chiral stationary phase,HPLC-CSP)法,通过改变流动相的比例,建立了补骨脂中3种手性成分的最佳分离方法,并比较来源于河南、四川、云南、辽宁4个产地的补骨脂经清炒法、盐炙法、酒浸法炮制前后各个对映异构体的含量差异。以前期筛选出的补骨脂致肝毒性作用靶标原癌基因酪氨酸激酶ABL1(Abelson tyrosine-protein kinase ABL1,ABL1)为对接主体,利用AutoDock Tools 1.5.7软件,对各个对映异构体分别进行分子对接。结果采用Chiralpak IG色谱柱(250 mm×4.6 mm,5μm),在以乙腈-纯水(50∶50)为流动相,体积流量为0.5 mL/min,柱温为35℃的条件下,实现了补骨脂中各个对映异构体的最佳分离。在4个产地的补骨脂生品中,(R)-BC、(S)-BVC、(S)-BAK为其主要构型,经清炒法、盐炙法、酒浸法炮制后,(R)-BC含量降低,(S)-BC含量升高,(R)-BVC、(S)-BAK的含量降低率分别高于其S、R构型。分子对接结果显示,(R)-BC、(R)-BVC、(S)-BAK与毒性靶标的结合能力分别强于其对映异构体。结论补骨脂中3种手性成分的对映异构体的含量存在显著差异,经不同方法炮制后其含量变化也呈现明显区别,表明清炒法、盐炙法、酒浸法均能对补骨脂起到减毒作用。各个对映异构体与毒性靶标的相互作用能力及作用强度存在立体选择性差异。

关键词：补骨脂手性成分含量差异炮制减毒毒性机制补骨脂甲素补骨脂二氢黄酮甲醚补骨脂酚分子对接技术对映异构体清炒盐炙酒浸肝毒性

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本科护理学专业“双师型”教师队伍建设的探索与实践

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中华护理教育 2024年第5期21卷 543-546页

作者：田利吴梦茹张继尹郭道遐单胜男李惠玲苏州大学护理学院苏州市215006

健康中国背景下,加强“双师型”护理师资队伍的建设是培养卓越护理人才的基础。苏州大学护理学院通过严格设置“四证”的准入条件,建立“双师型”师资库,优化遴选和启用流程;注重师资队伍的持续发展,完善职前职后一体化培训与发展体系;... 详细信息

健康中国背景下,加强“双师型”护理师资队伍的建设是培养卓越护理人才的基础。苏州大学护理学院通过严格设置“四证”的准入条件,建立“双师型”师资库,优化遴选和启用流程;注重师资队伍的持续发展,完善职前职后一体化培训与发展体系;建立优胜劣汰的管理机制,设置多元化的激励措施,保障师资队伍的活力与竞争力,可为高校护理学专业“双师型”师资队伍建设提供新的思路和参考。

关键词：双师型护理师资培训遴选

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The Writing Techniques of The Great Gatsby

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Review of Global Academics 2015年第1期2卷 466-468页

作者： wu mengru Inner Mongolia University Wuhai InnerMongolia

The Great Gatsby is a wonderful masterpiece by Fitzgerald whether when it refers to the content or refers to the artistic creation, and it is acknowledged as one of the greatest works of American literature in 20 century. The novel was strictly and prudently organized by Fitzgerald, which used lots of writing techniques and skills, such as symbolism, analogy and so on. These techniques contributed to deepen theme and increase artistic appeal. In this novel, Fitzgerald portrays the real state of American society vividly in 1920s with cold attitude and subtle analysis. This is the most typical tragicomedy about the realization and vanishment of ＂American dream＂ that describes the love tragedy between Gatsby and Daisy.

关键词： The Great Gatsby narrative perspective symbolism metaphor or simile

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Catalytic oxidation of toluene by manganese oxides:Effect of K^(+)doping on oxygen vacancy

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Journal of Environmental Sciences 2024年第8期142卷 43-56页

作者： Zhenzhen Huang Haiyang Li Xuejun Zhang Yanli Mao Yinghan wu Wei Liu Hongrun Gao mengru Zhang Zhongxian Song Faculty of Environmental and Municipal Engineering Henan Key Laboratory of Water Pollution Control and Rehabilitation TechnologyHenan University of Urban ConstructionPingdingshan 467036China College of Environmental and Safety Engineering Shenyang University of Chemical TechnologyShenyang 110142China

Alkali metal potassium was beneficial to the electronic regulation and structural stability of transition metal ***,K ions were introduced into manganese oxides by different methods to improve the degradation efficiency of *** results of activity experiments indicated that KMnO_(4)-HT(HT:Hydrothermal method)exhibited outstanding low-temperature catalytic activity,and 90%conversion of toluene can be achieved at 243℃,which was 41℃and 43℃lower than that of KNO_(3)-HT and Mn-HT,*** largest specific surface area was observed on KMnO_(4)-HT,facilitating the adsorption of *** formation of cryptomelane structure over KMnO_(4)-HT could contribute to higher content of Mn^(3+)and lattice oxygen(Olatt),excellent low-temperature reducibility,and high oxygen mobility,which could increase the catalytic ***,two distinct degradation pathways were ***Ⅰ(KMnO_(4)-HT):toluene→benzyl→benzoic acid→carbonate→CO_(2)and H2O;PathwayⅡ(Mn-HT):toluene→benzyl alcohol→benzoic acid→phenol→maleic anhydride→CO_(2)and *** intermediates were detected on KMnO_(4)-HT,indicating its stronger oxidation capacity of toluene,which was originated from the doping of K^(+)and the interaction between *** intermediates were observed on Mn-HT,which can be attributed to the weaker oxidation ability of pure *** results indicated that the doping of K^(+)can improve the catalytic oxidation capacity of toluene,resulting in promoted degradation of intermediates during the oxidation of toluene.

关键词： Catalytic oxidation Preparation method Cryptomelane Mn^(3+)and lattice oxygen

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RNA sequencing of exosomes secreted by fibroblast and Schwann cells elucidates mechanisms underlying peripheral nerve regeneration

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Neural Regeneration Research 2024年第8期19卷 1812-1821页

作者： Xinyang Zhou Yehua Lv Huimin Xie Yan Li Chang Liu mengru Zheng Ronghua wu Songlin Zhou Xiaosong Gu Jingjing Li Daguo Mi Suzhou Medical College of Soochow University SuzhouJiangsu ProvinceChina Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education Co-Innovation Center of NeuroregenerationNantong UniversityNantongJiangsu ProvinceChina Department of Orthopedic Nantong Traditional Chinese Medicine HospitalNantongJiangsu ProvinceChina Nantong Stomatological Hospital Affiliated to Nantong University NantongJiangsu ProvinceChina Department of General Practice Affiliated Hospital of Nantong UniversityNantongJiangsu ProvinceChina

Exosomes exhibit complex biological functions and mediate a variety of biological processes,such as promoting axonal regeneration and functional recove ry after *** non-coding RNAs(IncRNAs)have been reported to play a crucial role in axonal *** r,the role of the IncRNA-microRNAmessenger RNA(mRNA)-competitive endogenous RNA(ceRNA)network in exosome-mediated axonal regeneration remains *** this study,we performed RNA transcriptome sequencing analysis to assess mRNA expression patterns in exosomes produced by cultured fibroblasts(FC-EXOs)and Schwann cells(SCEXOs).Diffe rential gene expression analysis,Gene Ontology analysis,Kyoto Encyclopedia of Genes and Genomes analysis,and protein-protein intera ction network analysis were used to explo re the functions and related pathways of RNAs isolated from FC-EXOs and *** found that the ribosome-related central gene Rps5 was enriched in FC-EXOs and SC-EXOs,which suggests that it may promote axonal *** addition,using the miRWalk and Starbase prediction databases,we constructed a regulatory network of ceRNAs targeting Rps5,including 27 microRNAs and five *** ceRNA regulatory network,which included Ftx and Miat,revealed that exsosome-derived Rps5 inhibits scar formation and promotes axonal regeneration and functional recovery after nerve *** findings suggest that exosomes derived from fibro blast and Schwann cells could be used to treat injuries of peripheral nervous system.

关键词： ceRNA network exosomes fibroblast cells Gene Ontology(GO) Kyoto Encyclopedia of Genes and Genomes(KEGG) protein-protein interaction(PPI)networks RNA-seq Schwann cells

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Chinese “sanwen”(散文)& English Essay

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校园英语 2015年第16期 250-251页

作者： wu mengru Inner Mongolia University

Knowing intimately the specifi c differences between Chinese "sanwen"(散文) and English essay benefits writers as well as readers in both creation and comprehension. This article would respectively focus on words and sentences in both languages to demonstrate the characteristics of the two languages including word choice,word repetition & synonym replacement and syntactic structure(句法结构). Hoping that after reading this article,your understanding of Chinese and English would arrive at a higher level and your writing proficiency would be slightly enhanced as well.

关键词： word choice word repetition formal logic semantic coherence connectives

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