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空中英语教室（高级版．彭蒙惠英语） 2010年第5期 32-33,46,47页

作者： steve Alexander

Boston,the　marathon　of　marathons,is　bracing　for　its　100th　start

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大学英语 1997年第5期 45-47页

作者：ＳＴＥＶＥ　ＷＵＬＦ

Ｂｏｓｔｏｎ，ｔｈｅｍａｒａｔｈｏｎｏｆｍａｒａｔｈｏｎｓ，ｉｓｂｒａｃｉｎｇｆｏｒｉｔｓ１００ｔｈｓｔａｒｔＢｙＳＴＥＶＥＷＵＬＦＯＮｔｈｅｍｏｒｎｉｎｇｏｆＡｐｒｉｌ１５３８５００ｗｏｒｓｈｉｐｐｅｒｓ１ｆｒ... 详细信息

Ｂｏｓｔｏｎ，ｔｈｅｍａｒａｔｈｏｎｏｆｍａｒａｔｈｏｎｓ，ｉｓｂｒａｃｉｎｇｆｏｒｉｔｓ１００ｔｈｓｔａｒｔＢｙＳＴＥＶＥＷＵＬＦＯＮｔｈｅｍｏｒｎｉｎｇｏｆＡｐｒｉｌ１５３８５００ｗｏｒｓｈｉｐｐｅｒｓ１ｆｒｏｍａｌｏｖｅｒｔｈｅｗｏｒｌｄｗ...

关键词：马拉松赛 marathon start Boston,the bracing its 阿什兰波士顿体育运动盥洗室德莫特凡士林

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Energy Harvesting

空中英语教室（高级版．彭蒙惠英语） 2016年第3期 10-11,39,40页

作者： steve Johnson

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超声微流混合器内流场试验

机械工程学报 2009年第12期45卷 237-241页

作者：魏守水姜春香邹楠 WERELEY steve T 山东大学控制科学与工程学院济南250061 普渡大学机械工程学院

制作超声微流混合器,该混合器混合腔直径6mm,深60μm,振动膜厚和压电层厚210μm,测量辅助立管高度2cm。计算该混合器不同的振动模态,利用粒子图像技术测量实际振动模态图和流场图,分析模态计算结果与试验的误差原因。试验结果表明,混合... 详细信息

制作超声微流混合器,该混合器混合腔直径6mm,深60μm,振动膜厚和压电层厚210μm,测量辅助立管高度2cm。计算该混合器不同的振动模态,利用粒子图像技术测量实际振动模态图和流场图,分析模态计算结果与试验的误差原因。试验结果表明,混合器在超声激励下腔体内存在平面旋状结构;环流边界处有明显地微粒汇聚现象;一阶模态振动会产生净压差。最后得到压差的高度与压电驱动电压的近似关系。

关键词：微流体微混合器粒子图像测速超声驱动

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B lymphocytes regulate airway granulocytic inflammation and cytokine production in a murine model of fungal allergic asthma

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Cellular & Molecular Immunology 2015年第2期12卷 202-212页

作者： Sumit Ghosh Scott A Hoselton Scott V Asbach Breanne N Steffan steve B Wanjara Glenn P Dorsam Jane M Schuh Department of Veterinary and Microbiological Sciences North Dakota State University Fargo ND USA

Sensitization to fungi often leads to a severe form of asthma that is particularly difficult to manage clinically, resulting in increased morbidity and hospitalizations in these patients. Although B lymphocytes might exacerbate asthma symptoms through the production of IgE, these cells might also be important in the protective response against inhaled fungi. Through cytokine release and T-cell interactions, these lymphocytes might also influence the development and maintenance of airway wall fibrosis. JH-/- mice lack the JHgene for the heavy chain component of antibodies, which is critical for B-cell function and survival. These animals have facilitated the elucidation of the role of B iymphocytes in a number of immune responses; however, JH-/- mice have not been used to study fungal allergy. In this study, we examined the role of B lymphocytes using an Aspergillus fumigatus murine fungal aeroallergen model that mimics human airway disease that is triggered by environmental fungal exposure. We compared disease progression in sensitized wild-type BALB/c and JH-/- mice that were exposed to repeated fungal exposure and found no differences in airway hyperresponsiveness, overall pulmonary inflammation or collagen deposition around the large airways. However, the levels of the Th2-type cytokines IL-4 and IL-13 were significantly attenuated in the airways of JH-/- mice relative to the BALB/c controls. By contrast, levels of the inflammatory cytokines IL-17A and IL-6 were significantly elevated in the JH-/- animals, and there was significantly more robust airway eosinophilia and neutrophilia than in control animals. Taken together, these findings demonstrate that B lymphocytes help to regulate granulocytic responses to fungal exDosure in the pulmonary compartment.

关键词： Aspergillus fumigatus B lymphocytes inflammation

Control of ovule development in Vitis vinifera by VvMADS28 and interacting genes

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Horticulture Research 2023年第6期10卷 43-55页

作者： Songlin Zhang Li Wang Jin Yao Na Wu Bilal Ahmad steve van Nocker Jiuyun Wu Riziwangguli Abudureheman Zhi Li Xiping Wang State Key Laboratory of Crop Stress Biology in Arid Areas College of HorticultureNorthwest A&F UniversityYanglingShaanxi 712100China Key Laboratory of Horticultural Plant Biology and Germplasm Innovation in Northwest China Ministry of AgricultureNorthwest A&F UniversityYanglingShaanxi 712100China College of Horticulture Hebei Agricultural UniversityBaoding 071000China Agriculture Genomics Institute Chinese Academy of Agricultural SciencesShenzhen 518000China Department of Horticulture Michigan State UniversityEast LansingMI 48823USA Turpan Research Institute of Agricultural Sciences Xinjiang Academy of Agricultural SciencesTurpan 838000XinjiangChina

Seedless grapes are increasingly popular throughout the world,and the development of seedless varieties is a major breeding *** this study,we demonstrate an essential role for the grapevine MADS-box gene VvMADS28 in morphogenesis of the *** found that VvMADS28 mRNA accumulated in the ovules of a seeded cultivar,‘Red Globe’,throughout the course of ovule and seed development,especially within the integument/seed *** contrast,in the seedless cultivar‘Thompson Seedless’,VvMADS28 was expressed only weakly in ovules,and this was associated with increased levels of histone H3 lysine 27 trimethylation(H3K27me3)within the VvMADS28 promoter ***-mediated transient suppression of VvMADS28 expression in‘Red Globe’led to reduced seed size associated with inhibition of episperm and endosperm cell *** overexpression of VvMADS28 in transgenic tomatoes interfered with sepal development and resulted in smaller fruit but did not obviously affect seed *** in yeast cells showed that VvMADS28 is subject to regulation by the transcription factor VvERF98,and that VvMADS28 could interact with the Type I/MβMADS-domain protein ***,through DNA-affinity purification-sequencing(DAP-seq),we found that VvMADS28 protein specifically binds to the promoter of the grapevine WUSCHEL(VvWUS)gene,suggesting that maintenance of the VvMADS28–VvMADS5 dimer and VvWUS expression homeostasis influences seed *** together,our results provide insight into regulatory mechanisms of ovule and seed development associated with VvMADS28.

关键词： Vitis homeostasis breeding

Predicting electronic structures at any length scale with machine learning

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npj Computational Materials 2023年第1期9卷 1176-1185页

作者： Lenz Fiedler Normand A.Modine steve Schmerler Dayton J.Vogel Gabriel A.Popoola Aidan P.Thompson Sivasankaran Rajamanickam Attila Cangi Center for Advanced Systems Understanding D-02826 GörlitzGermany Helmholtz-Zentrum Dresden-Rossendorf D-01328 DresdenGermany Computational Materials and Data Science Sandia National Laboratories1515 Eubank BlvdAlbuquerque 87123 NMUSA Elder Research Inc.300 West Main StreetCharlottesville 22903 VAUSA Center for Computing Research Sandia National Laboratories1515 Eubank BlvdAlbuquerque 87123 NMUSA

The properties of electrons in matter are of fundamental *** give rise to virtually all material properties and determine the physics at play in objects ranging from semiconductor devices to the interior of giant gas *** and simulation of such diverse applications rely primarily on density functional theory(DFT),which has become the principal method for predicting the electronic structure of *** DFT calculations have proven to be very useful,their computational scaling limits them to small *** have developed a machine learning framework for predicting the electronic structure on any length *** shows up to three orders of magnitude speedup on systems where DFT is tractable and,more importantly,enables predictions on scales where DFT calculations are *** work demonstrates how machine learning circumvents a long-standing computational bottleneck and advances materials science to frontiers intractable with any current solutions.

关键词： electronic interior frontier

Carbon quantum dots modified TiO_(2) composites for hydrogen production and selective glucose photoreforming

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Journal of Energy Chemistry 2022年第1期31卷 201-208,I0006页

作者： Heng Zhao Xinti Yu Chao-Fan Li Wenbei Yu Aiguo Wang Zhi-Yi Hu steve Larter Yu Li Md Golam Kibria Jinguang Hu Department of Chemical and Petroleum Engineering University of Calgary2500 University DriveNWCalgaryAlberta T2N 1N4Canada State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070HubeiChina Nanostructure Research Centre Wuhan University of Technology.Wuhan 430070Hubei.China Department of Geosciences University of Calgary2500 University DriveNWCalgaryAlberta T2N 1N4Canada

Lignocellulosic biomass photoreforming is a promising and alternative strategy for both sustainable H_(2) production and biomass valorization with infinite solar ***,harsh reaction conditions(high alkalinity or toxic organic solvents),with low biomass conversion and selectivity are often reported in *** this work,we report glucose photoreforming for coproduction of H_(2) and arabinose with improved selectivity under neutral condition using carbon quantum dots(CQDs)modified TiO_(2) *** show that the conventional CQDs fabricated by a facile one-step hydrothermal process could be endowed with novel color changing property,due to the particle aggregation under the regulation of incident *** as-fabricated CQDs/TiO_(2) composites with certain colored CQDs could greatly improve glucose to arabinose conversion selectivity(-75%)together with efficient hydrogen evolution(up to 2.43 mmolh^(-1)g^(-1))in *** arabinose is produced via the direct C1-C2 α-scissions mechanism with reactive oxygen species of·O_(2)^(-) and·OH,as evidenced by ^(13)C labeled glucose and the electron spin-resonance(ESR)studies,*** work not only sheds new lights on CQDs assisted photobiorefinery for biomass valorization and H_(2) coproduction,but also opens the door for rationale design of different colored CQDs and their potential applications for solar energy utilization in the noble-metal-free system.

关键词： CQDs Size regulation Hydrogen production Glucose photoreforming Arabinose

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电力安全性对FPSO船举足轻重

船舶工程 2008年第6期30卷 I0004-I0006页

作者： steve Dunlop 亚力克亚洲销售总监

随着全球主要油气公司努力通过存储和卸载途径改善海上生产，浮式生产储油船（FPSO）在近年来也越来越受欢迎。由于FPSO深受油气公司欢迎，能生产这类船只的造船厂最近所接到的FPSO订单便因此大增。

关键词： FPSO船浮式生产储油船安全性电力油气公司造船厂

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Building Oracle XML Applications 1st ed.

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