Xem 1-12 trên 12 kết quả Shape memory
  • In the last decades, the Shape Memory Alloys, with their peculiar thermo-mechanical properties, high corrosion and extraordinary fatigue resistance, have become more popular in research and engineering applications. This book contains a number of relevant international contributions related to their properties, constitutive models and numerical simulation, medical and civil engineering applications, as well as aspects related to their processing.

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  • Shape memory alloys have become in the past decades a well established research subject. However, the complex relations between properties and structure have created a continuously growing interest for a deeper insight all this time. The complexity of relationships between structure and properties is mostly related to the fact that strong ?multidimensional? interactions are taking place: from the early studies focusing on the thermal and/or mechanical induced phase transformations to the more recent findings on the magnetically induced structural changes.

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  • At a young age, I lived very close to my grandmothers and I used to visit them often. Both of my grandmothers were very skilled in textile handcrafts and, along with my mother, were firm believers that sewing is one of those basic skills that everyone should know. One grandmother was amazing at crocheting and needlepoint, and the other one was very skilled in weaving and loved quilting. I’ve been very interested in everything practical and artistic since I was young, and my grandmothers were patient enough to teach me their skills.

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  • New electromechanical transducers with high energy output, high strains, high mechanical compliance, lightweight, damage-tolerance and low cost can enable needed advances in a variety of applications, such as robotics, automation and biomedical devices. The perceived need for improved transducer performance, which has progressively emerged in the last few decades, has drawn considerable efforts for the development of devices relying on materials with intrinsic transduction properties.

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  • The objective of the present book, which tries to summarize in an edited format and in a fairly comprehensive manner, many of the recent technical research accomplishments in the area of Smart Actuators and Smart Sensors, is to combine researchers and scientists from different fields into a single virtual room.

    pdf0p cucdai_1 19-10-2012 35 5   Download

  • The prevailing idea of the origin and history of Punch has hitherto rested mainly on three productions: the "Memories" of George Hodder, "Mr. Punch's Origin and Career," and Mr. Joseph Hatton's delightful but fragmentary papers, entitled "The True Story of Punch.

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  • The following chapters discuss architects who have honed digital-fabrication techniques on pecific projects. Each discussion is accompanied by a detailed breakdown of the fabrication technique, providing insight into the recent projects featured in ach chapter. These are projects that concentrate on he fertile realm of one-to-one-scale experimentation, which demands reciprocity between design and mpirical innovation. The final outcomes hinge on he ability to reconcile the developmental shifts in material and working method.

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  • Since its conception in 1988 the Subscriber Identity Module (SIM) has undergone continuous development extending its technical and functional capabilities. Initially, it was defined as a security module to authenticate the user to the network providing, at the same time, some very limited amount of memory for network and private user data. In those days, smart cards were still in their infancy. The technological and market requirements of GSM, its need for a global solution and its growing market power shaped the face of the SIM and changed the world of the smart card....

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  • While Nesjar created the sculpture on the green in front of The Art Museum, he conducted a unique, outdoor seminar. The process involved building wooden forms to establish the basic shapes of the columnar pedestal and then a similar structure for the head itself. After completion of the wooden form, a mixture of crushed stone (imported from Norway) and iron tie-rods was packed within, and liquid concrete was injected under pressure from the base up. Nesjar later sandblasted the outer skin to expose the colorful aggregate.

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  • The antler paintings form a small but significant group which was painted directly after the earliest plate paintings. Schnabel was attracted to the antlers because of their thorn and veinlike shape, the beautiful material and the memory of death that hovers around them. These paintings, particularly Exile, 1980, and Prehistory: Glory, Honor, Privilege and Poverty, 1981, use the antlers not to disjoin the surface of the painting as the plates do but to add another distinct element of drawing to the composition.

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  • The third stage characterizes the progression to professional expertise in writing. The writer must maintain and manipulate in working memory a representation of the text that might be constructed by an imagined reader as well as the author and text representations. Notice that this stage now involves modeling not just the reader's view of the writer's message but also the reader's interpretation of the text itself. In knowledge-crafting, the writer shapes what to say and how to say it with the potential reader fully in mind.

    pdf26p commentcmnr 03-06-2013 15 3   Download

  • I have lived all my life under erasure. Who I am, a lawyer, a writer, a friend, seems only a trace, the wake a boat leaves in passing. I try so hard to hold fast its shape, to remember, to preserve, but inevitably the passage of time does its work of deliverance and loss. Like Dorothea Lange’s cover image, ‘Gravestone, Utah’1 our memorial to ourselves and others has been windblasted smooth by time.

    pdf245p japet75 25-02-2013 10 2   Download

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