A Multi-leveled Approach to the Figure-ground Relations in Visual Poetry

随着认知诗学的发展，语言学与文学之间的界面研究越来越丰富。作为一种特殊的文学体裁，诗歌因其规律的组织结构、简洁而富有节奏的语言而成为研究焦点。其中，因诗歌形式凸显而发展的视觉诗歌不仅丰富了诗歌的种类，也为诗歌语言形式的研究提供了新的视野。 前人对视觉诗歌的全面研究主要囊括了两大角度。文学角度研究无异于一般诗歌，关注视觉诗歌的文学性，如韵脚、修辞、历时研究等。将文学批评理论与语言学理论相结合而发展的文体学研究视野更多关注真实的语言实据，从语言特点中寻找视觉诗歌生成的含义及审美效果。此外，文体学与形式、功能、认知三大语言范式的融合实现了视觉诗歌从纯粹的形式研究到意义生成的内在机制研究的转换，使得...Studies of the interface between linguistics and literature have been further enriched by Cognitive poetics. As a special literary genre, poetry has attracted much attention for its regular poetic organization and simple but rhythmic language. Visual poetry, possessing a characteristic poetic shape, not only adds to the categories, but also provides a new angle in the study area of its form. Tra...学位：文学硕士院系专业：外文学院_外国语言学及应用语言学学号：1232013115273

英汉商品广告邮件的人际意义探究

从商品广告邮件中的人际意义研究,可以总结出语言操作如何实现广告商与消费者之间的有效互动。通过对100封中英文广告邮件的研究发现,“语气、情态、人称“三大系统在广告语言中占据重要地位。无论是拉开社会距离提供事实信息,还是拉近心理距离劝诱购买行为,三大系统的灵活多变充分体现了人际交流所体现的意义潜势,丰富了广告语言,提升了广告说服力

Fabrication of a Spongelike Nanostructured TiO_2 Film and Its Photocatalytic Activity

采用电化学阳极氧化法在钛表面构筑了海绵状纳米结构TIO2膜.应用扫描电子显微镜(SEM)和X射线衍射(Xrd)对膜层的形貌和晶型进行了分析和表征,考察了阳极氧化时间对膜层厚度的影响,并通过海绵状纳米结构TIO2膜对甲基橙的光催化降解研究了膜层厚度与光催化活性的关系.结果表明,海绵状纳米结构TIO2膜对甲基橙具有光催化降解作用,而且随着膜层厚度的增加,光催化降解速率显著增大,厚度为2.2μM的海绵状纳米结构TIO2膜对甲基橙的光催化降解速率是厚度为480nM的6.4倍.A spongelike nanostructured titanium dioxide(TiO2) film was fabricated on a titanium substrate by electrochemical anodic oxidation.Scanning electron microscopy(SEM) and X-ray diffraction(XRD) experiments were performed to characterize the morphology and crystalline phase of the spongelike nanostructured TiO2 films.The effect of anodizing time on the thickness of the layers was examined.The relationship between the thickness of the spongelike nanostructured TiO2 film and its photocatalytic activity was investigated by the degradation of methyl orange solution.Results showed that the spongelike nanostructured TiO2 film had a high photocatalytic activity.The photocatalytic degradation rate of a methyl orange solution increased with the film thickness.The photocatalytic degradation rate by the spongelike nanostructured TiO2 film with a thickness of 2.2 μm was 6.4 times as large as that by the spongelike nanostructured TiO2 film with a thickness of 480 nm.福建省自然科学基金(U0750015);福建省科技计划重点课题(2007H0031);厦门市科技计划(3502Z20073004);国家基础科学人才培养基金(J0630429)资助项目---

Preparation and Visible Light Photocatalytic Activity of Fe-N Codoped TiO_2 Nanotube Arrays

应用电化学阳极氧化法结合浸渍和退火后处理制备了fE和n共掺杂的TIO2纳米管阵列光催化剂,并用场发射扫描电镜(fESEM)、X射线衍射(Xrd)、X射线光电子能谱(XPS)和俄歇电子能谱(AES)仪对其进行了表征.结果表明,fE、n共掺杂对TIO2纳米管阵列的形貌和结构没有明显影响,fE和n均掺入了TIO2晶格.紫外-可见(uV-VIS)漫反射光谱显示fE和n共掺杂TIO2纳米管阵列的吸收带边较纯TIO2纳米管阵列和单一掺杂TIO2纳米管阵列红移,可见光吸收增强.以可见光催化降解罗丹明b(rHb)考察了材料的光催化活性,fE和n共掺杂TIO2纳米管阵列对rHb的降解速率较纯TIO2纳米管阵列和单一掺杂TIO2纳米管阵列明显提高,证明了fE、n共掺杂产生的协同效应提高了TIO2纳米管阵列在可见光照射下的光催化活性.Fe-N codoped TiO 2 nanotube arrays were fabricated by anodization of Ti,followed by wet immersion and annealing post-treatment.The doped TiO 2 nanotube array photocatalysts were characterized by field-emission scanning electron microscopy(FESEM),X-ray diffraction(XRD),X-ray photoelectron spectroscopy(XPS),and Auger electron spectroscopy(AES).The results indicated that Fe and N dopants had almost no effect on the morphology and structure of TiO 2 nanotube arrays,and that Fe and N were doped into the TiO 2 lattice.UV-Vis diffuse reflectance spectra showed that the absorption band edge of Fe-N codoped TiO 2 nanotube arrays exhibited a red shift compared with that of pure TiO 2 nanotube arrays and Fe-or N-doped TiO 2 nanotube arrays.The photocatalytic activity of Fe-N codoped TiO 2 nanotube arrays was evaluated by their ability to degrade rhodamine B under visible light irradiation.The degradation rate of rhodamine B over Fe-N codoped TiO 2 nanotube arrays was obviously higher than that over pure TiO 2 nanotube arrays and Fe-or N-doped TiO 2 nanotube arrays,which is attributed to the synergistic effect of the Fe and N codopants.国家自然科学基金(51072170;21021002);福建省自然科学基金(2011J01057);国家基础科学人才培养基金(J1030415)资助项目---

Preparation and Visible Light Photocatalytic Activity of Fe-N Codoped TiO2 Nanotube Arrays

Corresponding author. Email: [email protected]; Tel: +86-10-2184655[中文文摘]应用电化学阳极氧化法结合浸渍和退火后处理制备了Fe和N共掺杂的TiO2纳米管阵列光催化剂,并用场发射扫描电镜(FESEM)、X射线衍射(XRD)、X射线光电子能谱(XPS)和俄歇电子能谱(AES)仪对其进行了表征.结果表明,Fe、N共掺杂对TiO2纳米管阵列的形貌和结构没有明显影响,Fe和N均掺入了TiO2晶格.紫外-可见(UV-Vis)漫反射光谱显示Fe和N共掺杂TiO2纳米管阵列的吸收带边较纯TiO2纳米管阵列和单一掺杂TiO2纳米管阵列红移,可见光吸收增强.以可见光催化降解罗丹明B(RhB)考察了材料的光催化活性,Fe和N共掺杂TiO2纳米管阵列对RhB的降解速率较纯TiO2纳米管阵列和单一掺杂TiO2纳米管阵列明显提高,证明了Fe、N共掺杂产生的协同效应提高了TiO2纳米管阵列在可见光照射下的光催化活性. [英文文摘]Fe-N codoped TiO2 nanotube arrays were fabricated by anodization of Ti, followed by wet immersion and annealing post-treatment. The doped TiO2 nanotube array photocatalysts were characterized by field-emission scanning electron microscopy (FESEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and Auger electron spectroscopy (AES). The results indicated that Fe and N dopants had almost no effect on the morphology and structure of TiO2 nanotube arrays, and that Fe and N were doped into the TiO2 lattice. UV-Vis diffuse reflectance spectra showed that the absorption band edge of Fe-N codoped TiO2 nanotube arrays exhibited a red shift compared with that of pure TiO2 nanotube arrays and Fe- or N-doped TiO2 nanotube arrays. The photocatalytic activity of Fe-N codoped TiO2 nanotube arrays was evaluated by their ability to degrade rhodamine B under visible light irradiation. The degradation rate of rhodamine B over Fe-N codoped TiO2 nanotube arrays was obviously higher than that over pure TiO2 nanotube arrays and Fe- or N-doped TiO2 nanotube arrays, which is attributed to the synergistic effect of the Fe and N codopants.国家自然科学基金(51072170,21021002);福建省自然科学基金(2011J01057);国家基础科学人才培养基金(J1030415)资助项

中西诗歌中图形—背景的认知解读——以中国唐诗和英美意象派诗歌为例

从认知诗学角度分析文学文本有益于开辟诗歌这一特殊文学体裁的研究路径。基于认知诗学下的图形—背景理论对比分析唐诗与英美意象诗歌,从注意力系统中选择图形—背景理论作为分析工具,将客观世界、人和文本有机地结合在一起,得出诗人本身以及读者对客观世界的阐释。研究结果发现,中国的唐诗及英美意象派两类诗歌在图形—背景分离的实现方式以及意象选择与组合上的异同,为认知诗学其他理论在诗歌方面的应用提供可行性依据

An Analysis of the Usage Notes in Oxford Advanced Learner 's Dictionary and Longman Advanced American Dictionary

“用法说明“是呈现某词条重要用法的一种方式,它不仅可以节省篇幅,而且醒目的框架式构成对学习者具有吸引和警示的作用。牛津高阶和朗文高阶英汉双解词典作为广受英语学习者喜爱的学习型词典,在“用法说明“的内容编写上丰富涵盖了词条的相关信息,如辨析、语法、正式或礼貌程度等;在策略选择上,巧妙利用“错误警示“、“提醒“、“比较“和“说明“,充分给予了学习词条用法或信息上的指导。Usage notes are one of the effective ways to display the usage.They can not only save the space,but can easily attract and warn users with the analysis of usages in the form of boxes, two most popular dictionaries among users, cover diversifying elements in usage notes, such as discrimination, grammar, formality,politeness or not and so on.Besides, guidance in usages or information is provided with many strategies, for example, "caution", "warning", "contrast" and "description"

过程工程在木质纤维素发酵抑制物解除中的应用

发酵抑制物对宿主细胞产生毒害作用,是木质纤维素生物炼制的主要瓶颈之一。减少抑制物含量、解除抑制作用是提高发酵效率的重要环节。本文讨论了木质纤维素发酵抑制物的来源、组成、特点以及相应的解除方法,提出了"源头降低抑制物—纤维素木质素分级转化"炼制模式和"发酵促进剂设计技术",为木质纤维素发酵抑制物的解除及木质纤维素开发利用提供了全新的技术路线

过程工程在木质纤维素发酵抑制物解除中的应用

发酵抑制物对宿主细胞产生毒害作用,是木质纤维素生物炼制的主要瓶颈之一。减少抑制物含量、解除抑制作用是提高发酵效率的重要环节。本文讨论了木质纤维素发酵抑制物的来源、组成、特点以及相应的解除方法,提出了"源头降低抑制物—纤维素木质素分级转化"炼制模式和"发酵促进剂设计技术",为木质纤维素发酵抑制物的解除及木质纤维素开发利用提供了全新的技术路线

变双曲圆弧齿线圆柱齿轮动态接触特性分析

为研究变双曲圆弧齿线圆柱齿轮动态接触特性,利用基于旋转刀盘加工原理得到的齿面方程,运用MATLAB与UG建立精确的齿轮三维模型,运用ANSYS LS-DYNA分析得到该齿轮齿面在啮合过程中的动态接触应力。通过研究不同齿线半径变双曲圆弧齿线圆柱齿轮的动态接触应力,得到齿线半径对该齿轮动态啮合特性的影响规律。通过研究不同压力角变双曲圆弧齿线圆柱齿轮的动态接触应力,得到压力角对该齿轮动态啮合特性的影响规律。通过研究不同载荷下该齿轮的动态接触应力,得到载荷对该齿轮动态啮合特性的影响规律。分析结果为变双曲圆弧齿线圆柱齿轮的设计及工程应用提供参考