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电力调控运行重要性及优化管理策略分析

电工技术 2024年第S1期 391-393页

作者：唐清文小龙国网巴州供电公司新疆巴州841000

全球能源需求的增长和环境保护意识的不断提高,电力行业面临着前所未有的挑战和机遇。电力调控运行系统作为保障电力供应稳定性和可靠性的关键环节,其优化管理策略显得尤为重要。阐述了电力调控运行系统优化的重要性,并详细讨论了采用... 详细信息

全球能源需求的增长和环境保护意识的不断提高,电力行业面临着前所未有的挑战和机遇。电力调控运行系统作为保障电力供应稳定性和可靠性的关键环节,其优化管理策略显得尤为重要。阐述了电力调控运行系统优化的重要性,并详细讨论了采用最新技术整合、提升系统效率,改良电网设计与规划框架,应用现代化数据监控与分析技术等优化管理措施,通过这些策略的实施,旨在提高电力系统的整体性能,确保能源供应的可持续性。

关键词：电力调控运行系统效率现代化技术可持续能源供应

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铁路客运专线18号道岔装载加固方案研究

铁道货运 2024年第4期42卷 19-25页

作者：田力任静文小龙中铁特货大件运输有限责任公司铁路物资项目部北京100070 中铁宝桥集团有限公司物流中心陕西宝鸡721006

道岔是铁路股道转换的重要设备,近年来,随着高速铁路建设规模的不断扩大,对客运专线60-18号道岔需求量大幅增加,全国铁路道岔运输量也随之增加。道岔作为精密的铁路设备,运输质量直接影响道岔的后期使用,为了进一步提高道岔装载质量和... 详细信息

道岔是铁路股道转换的重要设备,近年来,随着高速铁路建设规模的不断扩大,对客运专线60-18号道岔需求量大幅增加,全国铁路道岔运输量也随之增加。道岔作为精密的铁路设备,运输质量直接影响道岔的后期使用,为了进一步提高道岔装载质量和装载率,提升运输效率,通过分析货物参数、车辆特点,经过装载加固方案设计和理论计算,研究制定D22A型长大平车运输客运专线60-18号道岔方案,不仅能解决普通木地板平车车源紧张、操作复杂的问题,还能降低运输成本,有效提高道岔的运输效率,保障高速铁路建设的工期和质量,为今后道岔运输提供新的解决方案。

关键词：客运专线 60-18号道岔 D22A型长大平车运输方案装载加固

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电网调控运行安全风险管控的强化措施

电工技术 2024年第S1期 429-431页

作者：文小龙罗康生国网巴州供电公司新疆巴州841000

在当今社会,电力作为推动经济发展和保障人民生活的重要能源,其安全稳定供应显得尤为关键。基于此,对电网调控运行安全风险管控的强化措施展开研究,分析电网调控运行安全风险管控存在的问题,并给出电网调控运行安全风险管控的强化措施,... 详细信息

在当今社会,电力作为推动经济发展和保障人民生活的重要能源,其安全稳定供应显得尤为关键。基于此,对电网调控运行安全风险管控的强化措施展开研究,分析电网调控运行安全风险管控存在的问题,并给出电网调控运行安全风险管控的强化措施,旨通过文章研究,为电网的稳定运行和安全管理提供指导,也为相关专业领域人士提供参考。

关键词：电网调控运行安全风险管控

一种高富硒平菇的紫外诱变筛选及其营养强化的应用

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微生物学通报 2024年第7期51卷 2368-2380页

作者：孙举志李红英陈菲菲覃大吉问小龙邹迎春恩施土家族苗族自治州农业科学院湖北恩施445000

【背景】食用菌在自然状态下进行富硒培养难以达到硒营养强化的国家标准。【目的】通过紫外诱变技术筛选对硒具有高效富集和转化能力的菌株,以提高其硒含量,为富硒食用菌营养强化剂的产品开发奠定基础。【方法】通过硒抗性筛选,确定诱... 详细信息

【背景】食用菌在自然状态下进行富硒培养难以达到硒营养强化的国家标准。【目的】通过紫外诱变技术筛选对硒具有高效富集和转化能力的菌株,以提高其硒含量,为富硒食用菌营养强化剂的产品开发奠定基础。【方法】通过硒抗性筛选,确定诱变的出发菌株,对其紫外辐照诱导发生变异,并根据菌丝生长速率、子实体生物学效率、总硒和有机硒含量综合评估诱变菌株的优良特性。【结果】在硒浓度100 mg/kg和120 mg/kg的袋料栽培基质中诱变菌株120-5菌丝的生长速率分别为1.27 cm/d和1.19 cm/d,子实体总硒量分别为199.77 mg/kg和224.15 mg/kg,有机硒量分别为198.83 mg/kg和223.56 mg/kg,占总硒量99.53%和99.74%,其硒含量均达到了富硒食用菌营养强化剂的国标要求。出发菌株qiu-2020在硒浓度100 mg/kg和120 mg/kg基质中的菌丝生长速率分别为1.02 cm/d和0.88 cm/d,在120 mg/kg时,总硒量最高达166.53 mg/kg,仍低于国标要求。诱变菌株和出发菌株的子实体生物学效率在硒浓度120mg/kg时分别为92%和77%,两菌株的子实体农艺性状未发生变化。全基因组重测序分析表明,菌株120-5在基因组上发生了单核苷酸多态性(single nucleotide polymorphism,SNP)、插入或缺失(insertion-deletion,InDel)以及基因组结构变异(structure variation,SV)。【结论】菌株120-5在基因组信息上发生了有效突变,而且表现出强大的富硒能力,可以作为硒营养强化的目标菌株。

关键词：平菇紫外诱变富硒营养强化生物学效率

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Selenium,fibre,and protein enrichment of rice product:extrusion variables and product properties

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Food Quality and Safety 2019年第1期3卷 40-51页

作者： Pipat Tangjaidee Jiqian Xiang Hongqing Yin xiaolong wen Siew Young Quek Food Science School of Chemical ScienceUniversity of AucklandAuckland 1010New Zealand Enshi Tujia&Miao Autonomous Prefecture Academy of Agricultural Sciences Enshi CityHubei Province 445002P.R.China Riddet Institute Centre of Research Excellence for Food ResearchPalmerston North 4474New Zealand

Objectives:Rice has been identified as a high glycemic index(GI)food associated with obesity and *** study investigated the replacement of rice flour and its effect on product properties using extrusion *** and Methods:High selenium yam and konjac flours were used to increase fibre and selenium contents,whereas sorghum and soy protein were added to improve protein content as well as textural properties of *** following variables were optimized:yam flour(20%to 60%),feed moisture content(25%to 35%),and extrusion temperature(100°C to 120°C)by evaluating the breaking strength,firmness,colour,bulk density,and water absorption index(WAI)of the extruded ***:Results show that the extrusion temperature has a significant relationship with the products’breaking strength,WAI,and bulk density,whereas the feed moisture content influenced the WAI,bulk density,and firmness(P<0.05).The inclusion of yam flour significantly increased the firmness and yellowness(b*value)of the products(P<0.05).Sensory profiling revealed that the enriched product has comparable textural properties(stickiness,firmness,and graininess)with the commercial *** with commercial rice,the enriched product has significantly higher antioxidant activity(163.53 vs.10.33μmol Trolox/100 g,DPPH assay),protein(13.4%vs.9.4%),fibre(12%resistant starch,9%glucomannan),and a lower GI value(69.6 vs.95.4).The enriched product also contains 15.62μg/100 g selenium,providing additional health benefit as Se-enriched functional ***:This work has demonstrated the suitability of applying extrusion to produce a healthier alternative rice product by nutrient enrichment via rice flour substitution.

关键词： extrusion nutrient enrichment rice product selenium fibre glycemic index

Fabrication and integration of photonic devices for phase-change memory and neuromorphic computing

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International Journal of Extreme Manufacturing 2024年第2期6卷 2-27页

作者： wen Zhou Xueyang Shen xiaolong Yang Jiangjing Wang Wei Zhang Center for Alloy Innovation and Design(CAID) State Key Laboratory for Mechanical Behavior of MaterialsXi’an Jiaotong UniversityXi’an 710049People’s Republic of China

In the past decade,there has been tremendous progress in integrating chalcogenide phase-change materials(PCMs)on the silicon photonic platform for non-volatile memory to neuromorphic in-memory computing *** particular,these non von Neumann computational elements and systems benefit from mass manufacturing of silicon photonic integrated circuits(PICs)on 8-inch wafers using a 130 nm complementary metal-oxide semiconductor *** manufacturing based on deep-ultraviolet lithography and electron-beam lithography enables rapid prototyping of PICs,which can be integrated with high-quality PCMs based on the wafer-scale sputtering technique as a back-end-of-line *** this article,we present an overview of recent advances in waveguide integrated PCM memory cells,functional devices,and neuromorphic systems,with an emphasis on fabrication and integration processes to attain state-of-the-art device *** a short overview of PCM based photonic devices,we discuss the materials properties of the functional layer as well as the progress on the light guiding layer,namely,the silicon and germanium waveguide ***,we discuss the cleanroom fabrication flow of waveguide devices integrated with thin films and nanowires,silicon waveguides and plasmonic microheaters for the electrothermal switching of PCMs and mixed-mode ***,the fabrication of photonic and photonic–electronic neuromorphic computing systems is *** systems consist of arrays of PCM memory elements for associative learning,matrix-vector multiplication,and pattern *** large-scale integration,the neuromorphic photonic computing paradigm holds the promise to outperform digital electronic accelerators by taking the advantages of ultra-high bandwidth,high speed,and energy-efficient operation in running machine learning algorithms.

关键词： nanofabrication silicon photonics phase-change materials non-volatile photonic memory neuromorphic photonic computing

HIGH PERFORMANCE ELECTRIC FIELD MICRO SENSOR WITH COMBINED DIFFERENTIAL STRUCTURE

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Journal of Electronics(China) 2014年第2期31卷 143-150页

作者： wen xiaolong Peng Chunrong Fang Dongming Yang Pengfei Chen Bo Zheng Fengjie Xia Shanhong State Key Laboratory of Transducer Technology Institute of ElectronicsChinese Academy of Sciences University of Chinese Academy of Sciences National Key Laboratory of Nano/Micro Fabrication Technology Institute of MicroelectronicsPeking University

This paper presents a high performance electric field micro sensor with combined differential *** sensor consists of two backward laid micro-machined chips,each packaged by polymer and *** novel combined differential structure effectively reduces various environmental affections,such as thermal drift,humidity drift and electrostatic charge *** sensor is tested in near-ground place as well as balloon-borne *** different weather conditions,the measurement results showed good agreement with those of the commercial electric field mill.

关键词： Micro-Electro-Mechanical System(MEMS) Electric field sensor Atmospheric electric field Differential structure

SCIRD: Revealing Infection of Malicious Software in Edge Computing-Enabled IoT Networks

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Computers, Materials & Continua 2024年第5期79卷 2743-2769页

作者： Jiehao Ye wen Cheng xiaolong Liu wenyi Zhu Xuan’ang Wu Shigen Shen School of Information Engineering Huzhou UniversityHuzhou313000China

The Internet of Things(IoT)has characteristics such as node mobility,node heterogeneity,link heterogeneity,and topology *** the face of the IoT characteristics and the explosive growth of IoT nodes,which brings about large-scale data processing requirements,edge computing architecture has become an emerging network architecture to support IoT applications due to its ability to provide powerful computing capabilities and good service ***,the defense mechanism of Edge Computing-enabled IoT Nodes(ECIoTNs)is still weak due to their limited resources,so that they are susceptible to malicious software spread,which can compromise data confidentiality and network service *** this situation,we put forward an epidemiology-based susceptible-curb-infectious-removed-dead(SCIRD)***,we analyze the dynamics of ECIoTNs with different infection levels under different initial conditions to obtain the dynamic differential ***,we establish the presence of equilibrium states in the SCIRD ***,we conduct an analysis of the model’s stability and examine the conditions under which malicious software will either spread or disappear within Edge Computing-enabled IoT(ECIoT)***,we validate the efficacy and superiority of the SCIRD model through MATLAB *** research findings offer a theoretical foundation for suppressing the propagation of malicious software in ECIoT *** experimental results indicate that the theoretical SCIRD model has instructive significance,deeply revealing the principles of malicious software propagation in ECIoT *** study solves a challenging security problem of ECIoT networks by determining the malicious software propagation threshold,which lays the foundation for buildingmore secure and reliable ECIoT networks.

关键词： Edge computing Internet of Things malicious software propagation model heterogeneity

Dissecting aneurysms of the distal segment of the posterior cerebral artery: clinical presentation and endovascular management

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Chinese Neurosurgical Journal 2017年第2期3卷 74-82页

作者： Zenghui Qian Xin Feng Huibin Kang xiaolong wen wenjuan Xu Youxiang Li Chuhan Jiang Zhongxue Wu Aihua Liu Beijing Neurosurgical Institute Capital Medical University Beijing 100050 China Department of Interventional Neuroradiology Beijing Tiantan hospitalCapital Medical University No.6 Tiantan Xili Dongcheng District Beijing 100050 China

Backgroud:We aimed to evaluate the clinical presentations and report the acceptable clinical and angiographic outcome of the distal posterior cerebral artery (PCA) dissecting aneurysms with parent artery occlusion (PAO).Methods:From June 2006 to July 2013,26 patients with PCA dissecting aneurysms were planned to be treated via endovascular PAO in our *** patients had ruptured aneurysms,and twelve patients had unruptured *** endovascular modalities were the following:1) PAO (n =19),2) palliative embolization (n =5),and 3) proximal PAO (n =2).Glasgow Outcome Scale (GOS) was used to assess the clinical ***:The procedure was technically successful in all *** the PAO and proximal PAO group,all of the immediate angiography showed occlusion of the parent vessel,and follow-up imaging showed no recurrence of the *** the palliative embolization group,one of five patients was died of rebleeding after the procedure,and follow-up digital subtraction angiography (DSA) showed the other four aneurysms *** procedure related complications occurred totally:rebleeding (n =1),hemiparesis (n =2),and hemianopsia (n =2).Conclusion:Dissecting aneurysms are dynamic lesions with variable and unpredictable evolution and a thorough treatment is *** the parent artery appears to be well tolerated for distal segment of *** propose that this technique could be the first treatment option in treating dissecting aneurysms in this ***,palliative occlusion of distal PCA dissecting aneurysms is not an advisable treatment option.

关键词： Dissecting aneurysm Embolization Occlusion Posterior cerebral artery