摘要：Discriminating between different liquids using surfaces with special wettability holds significant implications for both fundamental research and practical ***,current differentiation surfaces still struggle with challenges such as complex microstructure design,a limited detection range,and poor *** this study,we present a new platform for droplet discrimination achieved through a combination of groove structures and a liquid-like polydimethylsiloxane(PDMS)brushes *** PDMS brushes coating exhibits excellent stability and low adhesion across a wide range of liquids with surface tensions ranging from 27.5 to 72.8 mN/m,while the groove structure provides distinct energy barriers for droplet ***,liquids with varying surface tensions can be effectively discriminated,as evidenced by the increased sliding angles(SAs)observed as liquids with lower surface tension moving across the ***,we utilized a three dimensional(3D)model of the droplet developed using Surface Evolver,and conducted energy variation calculations during droplet sliding across the groove to analyze the SA differences among liquids with different surface ***,we proposed two simple differentiation platforms that successfully demonstrated effective droplet *** work introduces a novel strategy for droplet discrimination,offering innovative ideas for the design of functional *** findings may potentially be applied in other fields involving droplet manipulation,such as droplet-based microchemical reactions and bio-detection.

摘要：Recently,smart superwetting porous materials have aroused much attention,and it is well known that tunable surface wettability and pore structure/size are extremely important for their ***,only one factor can be regulated on existing materials,which significantly restricts their controllability,functions,and applications.A new material was prepared by electrodepositing a layer of polypyrrole on a shape memory sponge,on which switchable superhydrophobicity/superhydrophilicity and adjustable pore size within the range of about 28 nm to 895μm can be *** synergistically tuning the wettability and pore size,both ON/OFF water permeation and accurate flux can be ***,we also applied the sponge for molecule release,and diverse release manners with precise/smart controllability can be *** paper reports for the first time a smart material with controllability in both surface wetting and pore size,which provides a new strategy for the preparation of novel smart superwetting porous materials.

摘要：Smart-controlled surface wettability from superhydrophilicity to superhydrophobicity has been extensively explored,and stimulus-responsive strategies have been widely accepted as a useful method to realize ***,achieving smart and precise wetting control remains challenging because most previous studies focused on stimulating single surface chemistry or ***,a dualstimulus-responsive strategy that can synergistically stimulate surface chemistry and microstructures is demonstrated on the pH-responsive molecule poly(2-(diisopropylamino)ethyl methacrylate(PDPAEMA)-modified temperature-triggered shape memory polymer(SMP)*** responsive PDPAEMA and SMP can provide the surface with tunable surface chemistry and microstructures,***,the wetting of the surface between various states can be reversibly and precisely controlled from superhydrophilicity to superhydrophobicity with contact angle(CA)differences of less than 15° under the cooperative effect between the adjustable surface microstructure and *** surface is further utilized as a platform to create gradient wettings based on its excellent ***,this work presents a strategy for surface wetting control by combining tunable surface microstructures and *** prepared samples with a special wetting controllability can be applied to numerous fields,including adaptive liquid microlenses,accurate drug release,and selective *** work also proposes novel expectations in designing smart functional surfaces.

摘要：文本正则化是语音合成(TTS)前端分析任务中不可或缺的步骤,而语义歧义性是文本正则化任务面临的主要问题,比如数字、日期、时间等非标准词的语义歧义性。针对该问题,提出一种基于编辑约束的端到端文本正则化方法,并且在充分考虑越南语的语言特点后,设计专门用于越南语的标注方法,以提高模型对上下文语义信息的建模能力。此外,针对神经网络模型容易产生不可恢复性错误的问题,提出一种编辑对齐算法以有效约束非标准词文本的范围,减小解码端的搜索空间,从而避免模型自身局限性所导致的非正则化文本预测错误。选取FastCorrect模型作为基准模型,将各类优化方法应用到基准模型中得到新模型。实验结果表明,所提模型在越南语不同优化方式的对比实验中的精准率相比使用无标注数据的基准模型提高了23.71个百分点,在同类中文实验中的精准率提高了26.24个百分点。可见,所提方法不仅在越南语上表现出色,而且在中文开源数据上也取得了显著的效果,验证了该方法在越南语之外的适用性。而且,与六类基线模型相比,使用所提方法的模型取得了最高的97.14%的精准率,在F1值上超过加权有限状态转换器(WFST)的两阶段方法2.29个百分点,证明了所提方法在文本正则化任务上的优越性。

摘要：以解析广告图像的创作思维、艺术表现与传播效果为基础,以全新的视角去解读广告摄影在视觉文化时代的艺术表现与市场定位,旨在探索现代广告摄影的发展路径、寻求多样的影像承载与传播方式,加速广告摄影创作与制作水平的提升,从而满足现代市场经济的需求和不同广告受众的需要,营造健康向上、丰富多彩的广告摄影文化氛围。

摘要：为了提高异步电机的转矩控制精度,提出了一种基于双滑模观测器的异步电机转矩闭环控制方法。首先构建了一种反电动势滑模观测器的数学模型,该模型实现了反电动势的观测;同时,设计了一种磁链滑模观测器并采用数学模型表达,实现了磁链观测。然后,根据李雅普诺夫稳定性理论分析了所设计的滑模观测器的稳定性,并进一步研究了所设计的观测器的参数鲁棒性。然后对其进行仿真研究,其仿真表明,所设计的磁链观测方法和转矩闭环控制系统具有较强的参数鲁棒性,能够为异步电机的工程应用提供一定参考。

摘要：将作图法和计算法相结合,提出成型砂轮廓形的CAD设计方法.该方法以啮合原理为根据,采用反求设计的思路;通过做一系列垂直于砂轮轴线的截面,得到相应的砂轮与螺旋槽的接触点,连接这些接触点得到接触线,将接触线绕砂轮轴线旋转360,°即是成型砂轮的廓形.该方法具有简单直观、结果准确的特点.以球头铣刀螺旋槽的成型磨削为实例,对用CAD法设计成型砂轮的过程进行说明.该方法可用于各种按展成原理进行加工的成型工具的轮廓设计.

摘要：鲁迅的语言魅力,是鲁迅的人生境界在作品中的反映;是鲁迅高超的思维艺术的外在表现;是作为语言艺术家的鲁迅透彻认识和纯熟掌握语言这种物质媒介内在特质的结果。探讨鲁迅语言魅力的成因,对于今天语言艺术家的创造革新来说。

摘要：大诗人艾青复出后的诗歌创作,表现出了巨大的思想魅力;同早年的创作一样,艾青依然善于创造鲜明准确的形象,依然善于运用象征手法深化主题;同时,艾青的语言体现着一种“大味必淡”的朴素之美。由于饱经沧桑,由于诗人一生在艺术上的不懈追求,艾青复出后的诗歌创作,在思想和形式上,都无可争议地达到了“化境”这一艺术家艺术创造的至高境界。

摘要：优秀的诗歌作品,其典型深刻的感情,深厚微妙的意蕴,往往要通过准确生动的意象表现出来; 饱含着诗人情感意蕴的形象即为意象;意象创造是诗歌艺术创作中的核心;如何为内心的情意找到与之成准确对应关系的客观形象,则是意象创造中技术上的关键。在诗歌艺术创作中强调意象的创造,归根结底是为了更好地表意,是为了增进诗的丰富美感和强大的感发力量。