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基于城市聚类的电力需求预测方法设计及应用

电工技术 2022年第12期 155-157页

作者：李冰洁胡晓燕袁晓昀邵晓茹张树永国网江苏省电力有限公司经济技术研究院江苏南京210008 北京清软创新科技股份有限公司北京100085

受国内外社会和经济环境的影响,以国内大循环为主体,国内国际双循环相互促进的新发展格局逐渐形成,电力需求也随之呈现社会化、复杂化的特点。电力需求面临的影响因素更加复杂,预测难度也不断提高,迫切需要根据新形势提出科学合理的预... 详细信息

受国内外社会和经济环境的影响,以国内大循环为主体,国内国际双循环相互促进的新发展格局逐渐形成,电力需求也随之呈现社会化、复杂化的特点。电力需求面临的影响因素更加复杂,预测难度也不断提高,迫切需要根据新形势提出科学合理的预测方法。为此,提出基于地区发展特性的预测方法,该方法依据某省各地市经济及电力特性的不同将各城市进行划分,针对每类城市整体用电量进行分别预测,综合考虑各类别城市群的用电发展特点,最终得到区域内总电量预测结果。该预测方法在某省电力需求预测中得到应用,获得了较高的预测精度,这表明该预测方法具有较强的实用性。

关键词：城市聚类电力需求预测

Hydrogel Microneedle Arrays for Transdermal Drug Delivery

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Nano-Micro Letters 2014年第3期6卷 191-199页

作者： xiaoyun Hong Zaozhan Wu Lizhu Chen Fei Wu Liangming Wei Weien yuan School of Pharmacy Shanghai Jiao Tong University Research Institute of Micro/Nano Science and Technology Shanghai Jiao Tong University

Stratum corneum is the main obstacle for drugs to pass through the skin. Microneedles are composed of arrays of micro-projections formed with different materials, generally ranging from 25-2000 μm in height. Microneedles straightly pierce the skin with its short needle arrays to overcome this barrier. Microneedles can be divided into several categories, for instance, solid microneedles, coated microneedles, and hollow microneedles and so on. However, all these types have their weak points related to corresponding *** recent years, pioneering scientists have been working on these issues and some possible solutions have been investigated. This article will focus on the microneedle arrays consisting of hydrogels. Hydrogels are commonly used in drug delivery field. Hydrogel microneedles can be further divided into dissolving and degradable microneedles and phase transition microneedles. The former leaves drug with matrix in the skin. The latter has the feature that drugs in the matrix are delivered while the remaining ingredients can be easily removed from the skin after usage. For drugs which are required to be used every day, the phase transition microneedles are more acceptable. This article is written in order to summarize the advantages of these designs and summarize issues to be solved which may hinder the development of this technology.

关键词： Hydrogel Microneedle Phase transition Dissolving and degradable

冷却方式和时效时间对Fe-19%Mn合金阻尼性能的影响

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辽宁科技大学学报 2016年第6期39卷 430-433,439页

作者：李兴陈礼清袁晓云杨红旺陈立佳东北大学轧制技术及连轧自动化国家重点实验室辽宁沈阳110819 沈阳工业大学材料科学与工程学院辽宁沈阳110870

通过对比固溶+水冷和固溶+空冷两种工艺处理后Fe-19%Mn合金的时效阻尼,分析了ε马氏体、淬火空位和间隙原子对其阻尼性能的影响。实验表明:水冷试样组织中,虽然ε马氏体含量较高,但较高的空位浓度导致其阻尼性能在时效前和空冷处理时相... 详细信息

通过对比固溶+水冷和固溶+空冷两种工艺处理后Fe-19%Mn合金的时效阻尼,分析了ε马氏体、淬火空位和间隙原子对其阻尼性能的影响。实验表明:水冷试样组织中,虽然ε马氏体含量较高,但较高的空位浓度导致其阻尼性能在时效前和空冷处理时相差不大。在20 min时效时,水冷试样空位的减少使其阻尼性能提高;但随着时效时间的继续延长,其阻尼下降更快。由于间隙原子一直向不全位错处扩散,空冷试样在时效过程中阻尼性能一直下降。

关键词： Fe-Mn合金阻尼性能冷却方式时效

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肺炎衣原体感染诱发小儿哮喘的临床分析

临床军医杂志 2014年第9期42卷 929-930,937页

作者：高金星袁晓云张军丽刘海燕刘靖解放军第161医院儿科湖北武汉430010

目的探讨肺炎衣原体(CP)感染诱发的小儿哮喘的临床特征。方法回顾分析2012年1月-2013年9月在本院儿科确诊的肺炎衣原体感染哮喘患儿76例为CP感染组,同期非CP感染哮喘患儿32例为对照组。对两组患儿临床特点、哮喘特征、药物治疗效果等进... 详细信息

目的探讨肺炎衣原体(CP)感染诱发的小儿哮喘的临床特征。方法回顾分析2012年1月-2013年9月在本院儿科确诊的肺炎衣原体感染哮喘患儿76例为CP感染组,同期非CP感染哮喘患儿32例为对照组。对两组患儿临床特点、哮喘特征、药物治疗效果等进行分析。结果 CP感染组的哮喘发作年龄以3岁以上多发(占63.2%);CP感染组患儿发热、热程、对支气管扩张剂反应、阿奇霉素的早期应用、咳喘持续时间、住院时间以及CP-IgM抗体滴度水平的测定、C反应蛋白(CRP)、X线胸片阳性诸项与对照组比较,差异均有统计意义(P<0.05)。结论 CP感染诱发的小儿哮喘发作有其临床特点,应早期、足疗程、规范应用阿奇霉素。

关键词：肺炎衣原体小儿哮喘阿奇霉素

Inter-comparisons of VOC oxidation mechanisms based on box model:A focus on OH reactivity

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Journal of Environmental Sciences 2022年第4期34卷 286-296页

作者： xiaoyun Yang Bin yuan Zhe Peng Yuwen Peng Caihong Wu Suxia Yang Jin Li Min Shao Institute for Environmental and Climate Research Jinan UniversityGuangzhou 511443China Guangdong-Hongkong-Macao Joint Laboratory of Collaborative Innovation for Environmental Quality Guangzhou 511443China Department of Chemistry and Cooperative Institute for Research in Environmental Sciences University of ColoradoBoulderCO 80309USA

Volatile organic compounds(VOCs)oxidation processes play a very important role in atmospheric chemistry,and the chemical reactions are expressed in various manners in chemical *** gain an improved understanding of VOCs evolution during oxidation processes and evaluate the discrepancies of VOCs oxidation schemes among different mechanisms,we used the total VOC reactivity as a diagnostic and evaluated tool to explore the differences for six widely used chemical *** compared the total VOC reactivity evolution under high-NO_(x)xconditions for several sets of precursors,including n-pentane,toluene,ethene,isoprene and a mixture of 57 Photochemical Assessment Monitoring Stations(PAMS)species in a 0-D photochemical box ***-comparison of total VOC reactivity of individual precursor simulations showed discrepancies to different extent of the oxidation schemes among the studied mechanisms,which are mainly attributed to the different lumping approaches for organic *** PAMS simulation showed smaller discrepancy than individual precursor cases in terms of total VOC ***07 and RACM2 performances are found to better match the MCM for simulation of total VOC *** suggest that the performance in simulating secondary organic products,OH concentrations and NO_(x)concentrations are related to the OH reactivity discrepancies among various chemical *** in this study can be used in selection of chemical mechanisms to better model OH reactivity in different *** results in this study also provide directions to further improve the ability in modelling total VOC reactivity with the chemical mechanisms.

关键词： VOCs Box model Chemical mechanism Total VOC reactivity VOC oxidation

The shear strength of the interface between artificial rock and printed concrete at super-early ages

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Frontiers of Structural and Civil Engineering 2024年第1期18卷 51-65页

作者： Yong yuan xiaoyun Wang Jiao-Long Zhang Yaxin Tao Kim Van Tittelboom Luc Taerwe Geert De Schutter College of Civil Engineering Tongji UniversityShanghai 200092China State Key Laboratory of Disaster Reduction in Civil Engineering Tongji UniversityShanghai 200092China Belgium-China Joint Laboratory for Industrialized Construction Tongji UniversityShanghai 200092China Magnel-Vandepitte Laboratory for Structural Engineering and Building Materials Ghent UniversityGhent 9052Belgium

3D concrete printing has the potential to replace shotcrete for construction of linings of tunnels in hard *** shear strength of the interface between rock and printed concrete is vital,especially at super-early ***,traditional methods for testing the shear strength of the interface,e.g.,the direct shear test,are time-consuming and result in a high variability for fast-hardening printed *** this paper,a new fast bond shear test is *** test can be completed in 1 min,with another 2 min for preparing the next *** influence of the matrix composition,the age of the printed matrices,and the interface roughness of the artificial rock substrate on the shear strength of the interface was experimentally *** tests were conducted at the age of the matrices at the 1st,the 4th,the 8th,the 16th,the 32nd,and the 64th min after its final setting.A dimensionless formula was established to calculate the shear strength,accounting for the age of the printed matrices,the interface roughness,and the shear failure *** was validated by comparing the calculated results and the experimental results of one group of samples.

关键词： rock tunnel printed concrete interface fast bond shear test shear strength

溶剂脱沥青-催化裂化工艺的优化组合及其应用

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炼油技术与工程 2011年第5期41卷 6-9页

作者：袁晓云赵飞魏广春陈旭春查怡娜熊敏智中国石油长庆石化分公司陕西省咸阳市712000

中国石油长庆石化分公司1.4 Mt/a两段提升管催化裂化装置由于原料密度大、残炭值高,致使沉降器和分馏塔结焦严重,影响装置长周期运行和全厂加工任务的完成。用新建的0.80 Mt/a溶剂脱沥青装置,脱除减压渣油中的胶质和沥青质,改善了催化... 详细信息

中国石油长庆石化分公司1.4 Mt/a两段提升管催化裂化装置由于原料密度大、残炭值高,致使沉降器和分馏塔结焦严重,影响装置长周期运行和全厂加工任务的完成。用新建的0.80 Mt/a溶剂脱沥青装置,脱除减压渣油中的胶质和沥青质,改善了催化裂化原料性质;新增循环待生催化剂线路,把部分待生催化剂返回提升管底部与再生催化剂混合,从而降低与新鲜原料接触的混合催化剂温度,大幅度提高了一段剂油比。催化裂化装置加工能力提高了35.16%,轻质油收率提高了3.64%,干气产率降低了0.79%。

关键词：催化裂化装置组合工艺优化分析

Comparative and Phylogenetic Analysis of the Complete Chloroplast Genomes of 19 Species in Rosaceae Family

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Phyton-International Journal of Experimental Botany 2024年第6期93卷 1203-1219页

作者： Riwa Mahai Rongpeng Liu Xiaolang Du Zejing Mu xiaoyun Wang Jun yuan Research Center for Traditional Chinese Medicine Resources and Ethnic Minority Medicine Jiangxi University of Chinese MedicineNanchang330004China College of Life Sciences Jiangxi University of Chinese MedicineNanchang330004China

Rosaceae represents a vast and complex group of species,with its classiﬁcation being intricate and *** taxonomic placement of many species within this family has been a subject of ongoing *** study utilized the Illumina platform to sequence 19 plant species from 10 genera in the *** cp genomes,vary-ing in size from 153,366 to 159,895 bp,followed the typical quadripartite organization consisting of a large single-copy(LSC)region(84,545 to 87,883 bp),a small single-copy(SSC)region(18,174 to 19,259 bp),and a pair of inverted repeat(IR)regions(25,310 to 26,396 bp).These genomes contained 132–138 annotated genes,including 87 to 93 protein-coding genes(PCGs),37 tRNA genes,and 8 rRNA genes using MISA software,52 to 121 simple sequence repeat(SSR)loci were identiﬁ*** contained the least of SSRs and did not have hexanotides,*** contained the richest *** terminal repeats(LTRs)were primarily composed of palindromic and forward repeat sequences,meanwhile,The richest LTRs were found in Argentina *** for Argentina lineata,Fragariastrum eriocarpum,and Prunus trichostoma,which varied in gene type and position on both sides of the boundary,the remaining species were found to be mostly conserved according to IR boundary *** examination of the Ka/Ks ratio revealed that only the infA gene had a value greater than 1,indicating that this gene was primarily subjected to positive selection during ***,9 hotspots of variation were identiﬁed in the LSC and SSC *** analysis conﬁrmed the scientiﬁc validity of the genus Prunus *** lato(s.l.)within the Rosaceae *** separation of the three genera Argentina Hill,Fragariastrum *** *** Dasiphora *** Potentilla *** be a more scientiﬁc classiﬁ*** results offer fresh perspectives on the taxonomy of the Rosaceae.

关键词： Rosaceae chloroplast genomes comparative genomes phylogeny

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液化石油气铜片腐蚀不合格的研究分析

石油化工应用 2023年第6期42卷 100-103页

作者：葛玉翠罗致爱郭智慧袁晓云赵湘庆贾红博陕西煤业化工技术研究院有限责任公司陕西西安710100 中国石油长庆石化分公司陕西咸阳712000

针对中国石油长庆石化分公司液化石油气铜片腐蚀不合格现象,对引起液化石油气铜片腐蚀不合格的原因进行了分析。分析结果表明硫化氢及硫化物不是导致铜片腐蚀不合格的主要原因,由于原料变化,导致原料中含有含氧化合物,并最终形成有机酸... 详细信息

针对中国石油长庆石化分公司液化石油气铜片腐蚀不合格现象,对引起液化石油气铜片腐蚀不合格的原因进行了分析。分析结果表明硫化氢及硫化物不是导致铜片腐蚀不合格的主要原因,由于原料变化,导致原料中含有含氧化合物,并最终形成有机酸,此类酸通过MDEA和脱硫剂无法去除,导致液化石油气铜片腐蚀不合格。

关键词：液化石油气腐蚀硫化氢有机酸