1,723,153 research outputs found
Both spectral imaging and histological measurements provide a consistent evaluation of burn wound depth —A prospective, single-centre, parallel-design clinical study.
Full text linkQuesto articolo esplora la possibilità di diagnosticare in modo preciso la profondità della necrosi tissutale nelle ferite da ustione, con una particolare enfasi sull'utilizzo della tecnologia di imaging spettroscopico nell'infrarosso prossimale
Vehicle-seat-passenger system dynamics on high-speed train
No full textAs the increase of train speed and the adoption of lightweight technology, the vibration induced by wheel-rail interaction transmitted to the passengers via suspensions, bogies, carbody and seat becomes intensified, which worsens ride comfort. The human-seat system is always ignored in the study of ride comfort. And the existing studies of the biodynamics of human body and the dynamic characteristics of human-seat system are mainly focused on single-axis vibrations, which shows their limitations when applied to typical multi-axis vibration environment of rail vehicles. Further comprehensive research needs to be carried out to advance the understanding under typical multiaxis vibrations and apply to the study of ride comfort of rail vehicles. Firstly, a vertical train model incorporated with calibrated human-seat systems was developed for studying ride comfort. The relationship between the ride comfort and geometry filter effect of vehicle was analyzed, and the influencing factors of ride comfort were revealed and discussed. In addition, the contribution of different modes of carbody to ride comfort was defined and analyzed. A field measurement was carried out on a high-speed train for the vibration transmission of the seat, and the data were analyzed with a proposed new multi-input and single-output (MISO) system. The new method has the advantage of evaluating the contribution of inputs and their coherent part to the output independently of the sequences of inputs compared with the original method. It was found three inputs (vertical, lateral and roll accelerations) from the carbody floor could well account for the vertical, lateral or roll vibrations at the seat pan or backrest. An experimental study of the biodynamics of seated human body exposed to vertical, lateral and roll vibration was carried out. The principal resonance frequencies of the apparent masses generally had a negative correlation with the weighted root-sum-square (r.s.s.) value of the lateral, vertical and roll excitation magnitudes, which was more significant under low r.s.s value or significant only under low r.s.s value. A seated human model exposed to combined vertical, lateral and roll vibration was developed and calibrated by the experimental data. Three modes of the seated human body were observed by modal analysis to be correlated with the resonances in the measured apparent masses. The first mode (1.01 Hz) was found to be associated with the lateral and roll motions of the upper body, the second (2.53 Hz) with lateral motion of the lower body in addition to these motions, and the third mode (5.54 Hz) was dominated by the vertical motion of the whole body. The experimental study of the dynamics of the train seat with subjects exposed to vertical, lateral and roll vibration was carried out. There was a decrease in the principal resonance frequencies of the seat transmissibilities as the increase of the weighted r.s.s. value of lateral, vertical and roll magntides, which was more significant at low r.s.s. value or significant only at low r.s.s. value. Models of the double-unit train seat, the seat with one and two subjects were developed and calibrated. It was found the primary peak around 5 Hz in the vertical transmissibility on the seat pan arose from a whole-body vertical mode of human body with slightly higher modal frequency. Two modes around 15 and 27 Hz of the seat contributed to the peaks with approximate frequencies in the seat transmissibilities. What is more, human body had a tendency of increasing the modal damping of the seat modes. Finally, a 3D rigid-flexible coupled track-train-seat-human model was developed with the developed human-seat model. The influence of train speed, carbody damping, suspension parameters and seat position on ride comfort as well as the proportion of different vibration positions and directions in the overall ride comfort index were studied with this model. In addition, the contribution of the rigid and flexible modes of carbody to the ride comfort was also defined and studied. This study gives a useful guide for the design of rail vehicles and the matching of the human-seat system with the vehicle
A STUDY OF WU JUN YAO’S WRITING ABOUT KINMEN
No full text本篇論文目的在於探討吳鈞堯作品中的金門書寫，評析其作品的內容與特色， 並思考吳鈞堯作品中的戰地書寫、金門政治地位的改變過程中，他恆常關心的主題為何。借以研究以期能夠瞭解吳鈞堯內心對於金門本身的認同過程，進而看出金門的過去與未來。
研究範圍以吳鈞堯《金門》、《如果我在那裡》、《荒言》、以及《崢嶸》、《凌雲》、《履霜》等金門歷史小說以及近年出版的《火殤世紀》等作品中的小說與散文為研究範圍，特別關注此兩類作品中因戰地而特有的金門文化書寫，包含金門的戰地文化、童年記憶與鄉土人情等。本論文大致上以金門反共軍管時期的歷史、政治、經濟、文化等背景切入，利用歷史與文學的參照來勾勒出金門政治地位上的轉變軌跡以及金門人民生活模式，以瞭解吳鈞堯筆下的故鄉金門有何文化意義。
本論文共分五章，第一章緒論，主要說明本論文的研究動機與目的、研究範圍與方法、文獻回顧與探討、吳鈞堯生平與創作歷程，以及本論文的章節架構。第二章「戰地童年回憶」討論吳鈞堯作品中關於童年生活的回憶，以勾勒出吳鈞堯筆下的金門原型。第三章「金門多變的角色」討論金門的政治地位轉變，主要討論「反共前哨」與「兩岸新樞紐」。第四章「百年史詩──火殤世紀」討論吳鈞堯歷時五年撰寫完成的一本以年代為經、事件為緯的短篇小說著作集。來看金門人的生活習俗，彰顯期在地精神。第五章結論的部份，首先回顧本論文各章節的主要內容，並綜合本論文各章節的討論，以及提出延伸的議題。
研究發現在回憶故鄉金門的寫作上，吳鈞堯擅長於營造一個個歷史畫面，文章一開始先點出空間配置，接著由遠而近地描述裡頭人物的行為動作，使得讀者可以根據他的文章找出他所專屬的文學地景，金門也因此更有了故事。在句法上，他較多使用短句使得文章節奏較為快速，利用精鍊的文字來描述畫面。而在《火殤世紀》中的語言風格則較為文言，提昇了文學上的層次，更加注重用字遣詞與修辭的運用。除此之外，吳鈞堯生動地將戰地文化下的金門呈現在我們眼前，所勾勒出來的金門人事物更讓顯現出金門精神。This paper aims to explore the works of Wu Jun yao Kinmen in writing comments on its content and features of the work, Wu Jun yao works and thinking in the field of writing, in the change of political status of the island, and his constant interest in subject matter. Research in order to understand Wu Jun yao inside that golden door''s approval process, which see the past and future of Golden Gate.
Research range to Wu Jun yao Kinmen under, and if I in there under, and shortage statements under, and and Mira under, and lingyun under, and shoe cream under, Kinmen historical novel and in recent years published of fire die young century under, works in the of novels and prose for research range, special concern this two class works in the due to field and special some Kinmen culture writing, contains Kinmen of field culture, and childhood memory and native favors,. This paper largely anti-Communist martial law period in Kinmen''s historical, political, economic, cultural and other backgrounds cut, with historical and literary references to outline the change of political status of the island track and mode of life of the people of Kinmen, to understand what is the cultural significance of Wu Jun yao in the home of the Golden Gate.
This paper is divided into five chapters, chapter I, introduction, main study motive and purpose of the present paper, the research scope and methods, literature review and discussion, Wu Jun yao''s life and the creative process, as well as the chapter structure. Chapter II, "childhood memories in the field" discussions in Wu Jun yao works on memories of childhood, outlines the island described by Wu Jun yao prototypes. Chapter III, "changing roles of Kinmen" discuss the political status of the island changes focused on "anti-Communist outpost" and "cross the new hub". The fourth chapter, "century of epic-the fire die young century" discussion a completed Wu Junyao took five years to write the work collection of short stories, as, event for the weft. Kinmen customs, showing the spirit. Fifth chapter concluding part, begin by reviewing key elements of the various chapters of this thesis and comprehensive discussion of the various chapters of this thesis, extended question and.
Found on the recalls writing home to Kinmen, Wu Jun yao specializes in creating history, article a starting point that space to be configured, followed by closer and closer description of the actions of the characters, so readers can find according to his article, he dedicated literary landscape, Kinmen will have the story. At the syntactic level, more his use of rhythm make articles more quickly, using refined words to describe the picture. Die young in the fire of the century in the style of language is more classical, increases the level of literature, with increased emphasis on diction and the use of rhetoric. In addition, Wu Jun yao vividly renders the field culture under the Golden Gate in front of our eyes, the outlines of Kinmen appear more things out of the spirit of the Golden Gate.第一章 序論 1
第一節 研究動機與目的 1
第二節 研究範圍與方法 1
第三節 文獻回顧與探討 2
第四節 吳鈞堯生平與創作歷程 4
第五節 各章內容之概述 6
第二章戰地童年回憶 8
第一節 回憶中的戰地生活特色 8
第二節 戰地史蹟 18
第三節 兩性關係 21
第三章 金門的多變角色 28
第一節 邊緣性以及漂浮屬性 28
第二節 反共前哨 35
第三節 兩岸新樞紐 41
第四章「百年史詩──火殤世紀」 49
第一節 編年記事與著作目的 49
第二節 大時代下的庶民生活與紀事 53
第三節 金門風俗民情 59
第五章 結論 65
參考書目（按姓名筆畫排列） 72
附錄 吳鈞堯創作年表 7
Efficient prediction method for broadband acoustic mode radiation from engine bypass ducts
No full textHigh levels of broadband noise produced by modern high-bypass turbine engines have a significant impact on the environment. High performance computational numerical methods are now taking an active role in this research area. The research presented in this thesis explores a method for efficient prediction of broadband aeroacoustic radiation from a turbofan engine bypass duct and the effect of the multi-mode propagation in the near-field of an engine bypass duct with bifurcations installed on. An accurate and high-order Computational Aeroacoustics (CAA) numerical scheme is used in two and-half and three dimensional linearised Euler equations to determine the results. For far-field predictions, the Ffowcs Williams- Hawkings (FW-H) method and the Acoustic Intensity Based Method (AIBM) could be used to solve the single mode problem. However, the current FW-H method can not be used for multi-mode problems due to its required demand for computational resources. AIBM is an efficient tool to predict the pressure in far-field based on the near-field solution calculated by CAA, and has a potential for multi-mode prediction in the far-field. The performances of the prediction of the radiation of bypass duct acoustics with mean flow have been analysed, with particular attention to the ducts with bifurcations. For the single mode case of the duct acoustics, the AIBM has been implemented and compared against CAA results in the nearfield. Comparison between AIBM and FW-H directivity pattern in the far-field region show good agreement. The clean duct cases for multi-mode are solved with the linearised Euler equations (LEE) in two-and-half dimensions and the results are analysed. For multi-frequency cases, the SPL directivity contour almost matches the pattern obtained by summing the results computed by single frequencies. Lower radial modes contribute more to the overall SPL value than higher ones. For the circumferential modes, lower ones are more likely to cut-on to more discrete frequencies. Finally, the three dimensional solver is used to determine the near-field multi-mode radiation from a generic engine bypass with bifurcations. The bifurcations can cause the acoustic pressure waves to be redirected. Interference between the diffracted modes increased the acoustic pressures. Results show that lower radial modes are smaller in amplitude, and are more likely to cut-on when the radial modes are higher. More complex patterns have formed, because of the bifurcation interference, compared to single mode cases. For different circumferential mode cases, the radiation peak angle increases as the circumferential mode increases
FIGURES 1–4 in Supplementary descriptive notes of the Sinella and Coecobrya (Collembola: Entomobryidae) species from North America, Hawaii and Japan
No full textFIGURES 1–4. SEM photos of inner tibiotarsal differentiated chaetae: 1–2, S. agna; 3–4, S. alata.Published as part of Wu, Jun, Yan, Qibao & Zhang, Feng, 2016, Zootaxa 4085 (4), DOI: 10.11646/zootaxa.4085.4.5, http://zenodo.org/record/105277
New species and records of Paroxyplax Cai, 1984 (Lepidoptera: Limacodidae) and its allies from China, with a checklist of the treated genera
No full textWu, Jun, Han, Hui-Lin (2023): New species and records of Paroxyplax Cai, 1984 (Lepidoptera: Limacodidae) and its allies from China, with a checklist of the treated genera. Zootaxa 5254 (3): 383-397, DOI: 10.11646/zootaxa.5254.3.5, URL: http://dx.doi.org/10.11646/zootaxa.5254.3.
FIGURES 1–6 in Striogyia bifidijuxta sp. nov., a new slug caterpillar moth (Lepidoptera: Zygaenoidea: Limacodidae) from China
No full textFIGURES 1–6 Adults of Striogyia spp. Depositories of the specimens: 1–5 in NEFU; 6 in NHMUK, photo after Holloway (1990).Published as part of Wu, Jun & Han, Hui-Lin, 2022, Striogyia bifidijuxta sp. nov., a new slug caterpillar moth (Lepidoptera: Zygaenoidea: Limacodidae) from China, pp. 92-96 in Zootaxa 5219 (1) on page 93, DOI: 10.11646/zootaxa.5219.1.6, http://zenodo.org/record/740833
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