Xem 1-20 trên 61 kết quả Complex shape
  • Generative Shape Design (GSD) helps to design advanced shapes based on a combination of wireframe and extensive multiple surface features, with full specification capture. CATIA - Generative Shape Design (GSD) includes all the functions and commands from the CATIA - Generative Shape Design 1 (GS1) product. It provides an extensive set of tools for creating and modifying mechanical surfaces used in the design of complex shapes or hybrid parts. Its feature-based approach offers a productive and intuitive design environment to capture and reuse design methodologies and specifications....

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Radiation Oncology cung cấp cho các bạn kiến thức về ngành y đề tài: " Intensity modulated radiotherapy (IMRT) in patients with carcinomas of the paranasal sinuses: clinical benefit for complex shaped target volumes...

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  • Abstract Complex I is the fi rst enzyme of the respiratory chain and plays a central role in cellular energy production. It has been implicated in many human neurodegenerative diseases, as well as in ageing. One of the biggest membrane protein complexes, varying in size from 0.5 to 1 MDa, it is an L-shaped assembly consisting of hydrophilic and membrane domains. Previously, we determined the structure of the hydrophilic domain in several redox states. It established the pathway for electron transfer from NADH to quinone via seven Fe-S clusters.

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  • Is a branch of polymer science dealing with analysis and characterisation of polymers. üThe complication of macromolecular chains, the dispersion in molecular weight, tacticity, crystallinity, orientation, composition of polymers etc. and complex morphological systems ⇒ analysis of polymer ≠ the small organic materials ⇒ Focus on viscoelastic properties, dynamic mechanical testing.

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  • Fractures are ubiquitous in the brittle lithosphere in the upper part of earth’s crust. They play a critical role in the transport of fluids. Moreover, all major discovered geothermal reservoirs and a considerable number of petroleum reservoirs are in fractured rocks. This restates the importance of studying multiphase flow behavior inside the opened fracture space. From the engineering point of view, a rock fracture as defined here is simply a complex-shaped cavity filled with fluids or solid minerals. Therefore it is understood to include cracks, joints, and faults.

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  • Operating Principle: As the tool approaches the work piece it erodes the negative shape of it. Thus complex shapes are made from soft copper metal and used to produce negative duplicates of it. This process is called electrochemical sinking.

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  • Tài liệu tham khảo giáo trình nhôm trong thiết kế xây dựng bằng tiếng anh - Chương 10 Calculation of section properties 10.1 SUMMARY OF SECTION PROPERTIES USED The formulae in Chapters 8 and 9 involve the use of certain geometric properties of the cross-section. In steel design these are easy to find, since the sections used are normally in the form of standard rollings with quoted properties. In aluminium, the position is different because of the use of non-standard extruded profiles, often of complex shape....

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  • In Chapter 2, Puskorius and Feldkamp described a procedure for the supervised training of a recurrent multilayer perceptron – the nodedecoupled extended Kalman filter (NDEKF) algorithm. We now use this model to deal with high-dimensional signals: moving visual images. Many complexities arise in visual processing that are not present in onedimensional prediction problems: the scene may be cluttered with backKalman Filtering and Neural Network

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  • The current book consists of eighteen chapters divided into three sections. Section I includes nine topics in characterization techniques and evaluation of advanced ceramics dealing with newly developed photothermal, ultrasonic and ion spattering techniques, the neutron irradiation and the properties of ceramics, the existence of a polytypic multi-structured boron carbide, the oxygen isotope exchange between gases and nanoscale oxides and the evaluation of perovskite structures ceramics for sensors and ultrasonic applications....

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  • The process of collecting and analyzing the data is critical in healthcare as it constitutes the basis for categorization of patient health problems. Data collected in medical practice ranges from free form text to structured text, numerical measurements, recorded signals, and imaging data.

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  • This paper presents the experiences gained from ongoing research collaboration between the School of Computer Engineering at Nanyang Technological University and the Southampton e-Science centre at the University of Southampton using a serviceoriented approach for complex engineering design optimization. The service-oriented approach enables programmatic collaboration to be realized while maintaining the autonomy of individual codes at the different institutes and organizations. In the current work, a Genetic algorithm optimization logic implemented as a Grid...

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  • Supercomputers are the most powerful computers. They are used for problems requiring complex calculations. Because of their size and expense, supercomputers are relatively rare. Supercomputers are used by universities, government agencies, and large businesses.

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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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  • Surface View a topic Four Point Surface From Point Cloud Sheets From Curves Ribbon Builder Bounded Plane Midsurface Transition Patch Openings Through Points and From Poles 1. Four Point Surface Use the Four Point Surface command to create a surface by specifying four points. This is useful for creating base surfaces that support the surface based Class-A workflow. You can easily modify such a surface by increasing the degree and patch into a more complex surface with the desired shape. You must follow these point specifying conditions:...

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  • The basic physics of sound propagation are simple, but the interaction of sound pressure waves with complex shapes and multi-layer constructions with openings, as you find in buildings, is more challenging. Controlling noise, both from the internal and external environment and from the internal mechanical and electrical services in buildings, is essential to create environments that promote aural communication and comfortable working conditions.

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  • Environmental pollution has played a critical role in human lives since the early history of the nomadic tribes. During the last millennium, industrial revolution, increased population growth and urbanization have been the major determinants in shaping our environmental quality. Initially primary air pollutants such as sulfur dioxide and particulate matter were of concern. For example, the killer fog of London in 1952 resulted in significant numbers of human fatality leading to major air pollution control measures....

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  • This rose drawing lessons is not the easiest thing in the world to do, but if you break it down into its parts then it will be more manageable. Remember to draw lightly, especially on this complex shape because I guarantee you will need to erase some lines later on. Step One – Inner Petals This is a really easy step with just drawing an oval, but there's another component to this first step that must be considered.

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  • As advocates for public sculpture, you can navigate through the complexities of contract- ing to assure that the person or firm selected is the best-qualified professional for the job. Contracting procedures should never stand in the way of good conservation. Your first task is to educate the appropriate people in the department responsible for contracting or procure- ment. The message is simple: Sculpture is not the same as a sidewalk, a flagpole, or a park bench.

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  • The Turasha River like the Malewa is a permanent stream. It drains the north Kinangop plateau and the mountain range to the east of it. It follows a u-shaped course, flowing northwards towards Kinangop plateau collecting tributaries from the forested massif of Kipipiri, before curving right round to join the southward flowing Malewa. Like the Malewa it has excavated a deep- walled cut several hundred feet deep in the flat-topped tuff plateau, and its tributaries are similarly incised.

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  • Though Birkhoff’s model does include important components of aesthetics, it does not provide for emotional reactions from interpretation. Birkhoff himself made reference to this, when he pointed out that certain polygons might have associations not accounted for in M that could influence judgement. For example, a cross-shaped polygon may have “positive connotative associations1 .” Later, Berlyne incorporated meaning, as well as complexity and order (or the related property, balance) in the model described next....

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