نتایج جستجو برای: three dimentional printing

تعداد نتایج: 1304745  

2015
Shai Badalov Nathaniel C. Wardrip Melissa Dsouza Yoram Oren Meltem Urgun-Demirtas Seth Snyder Jack Gilbert Christopher J. Arnusch Jacob Blaustein

1Department of Desalination and Water Treatment, Zuckerberg Institute for Water Research, Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede-Boqer Campus 84990, Israel 2Argonne National Laboratories, Energy Systems Division, 9700 S Cass Avenue, Lemont, IL 3Argonne National Laboratory, BioSciences Division, 9700 S Cass Avenue, Lemont, IL, University of Chica...

2015
Giacomo Persi Paoli

Foreword The concept of obsolescence in the industrial sector has many facets that can be summarised in the general definition provided by the International Institute for Obsolescence Management (IIOM): obsolescence is the unavailability of parts, or services, that were previously available (IIOM 2015). The need to understand, plan and mitigate obsolescence (i.e. obsolescence management) is par...

2017
Yuanyuan Xu Xiaoyue Wu Xiao Guo Bin Kong Min Zhang Xiang Qian Shengli Mi Wei Sun

Future sensing applications will include high-performance features, such as toxin detection, real-time monitoring of physiological events, advanced diagnostics, and connected feedback. However, such multi-functional sensors require advancements in sensitivity, specificity, and throughput with the simultaneous delivery of multiple detection in a short time. Recent advances in 3D printing and ele...

2016
Lingxiu Dong Duo Shi Fuqiang Zhang

We study a firm’s manufacturing strategy under two types of flexible production technologies: the traditional flexible technology and 3D printing. Under the traditional flexible technology, capacity becomes more expensive as it handles more product variants; under 3D printing, however, capacity cost is independent of the number of product variants processed. The firm adopts a dedicated technolo...

Journal: :Transactions of the Japan Society of Mechanical Engineers 1948

Journal: :Science and engineering ethics 2016
Erica L. Neely

Additive manufacturing has spread widely over the past decade, especially with the availability of home 3D printers. In the future, many items may be manufactured at home, which raises two ethical issues. First, there are questions of safety. Our current safety regulations depend on centralized manufacturing assumptions; they will be difficult to enforce on this new model of manufacturing. Usin...

2017
Lushan Sun Li Zhao

Introduction A novel technology often leads to some forms of disruptions that are a result of the average consumer applying new tools in their everyday lives (Lipson and Kurman 2013). The birth of additive manufacturing, commonly known as three-dimensional printing (3DP) technology, took place in 1984 and is finally bringing us to a time of the third industrial revolution (Barnatt 2013). In the...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

نویز تصویر عامل ناخواسته ای است که علاوه بر اثر نامطلوب بر کیفیت تصویر، پردازش هایی نظیر فشرده سازی، لبه یابی و قسمت بندی تصویر را نیز مشکل می کند. از این رو حذف نویز به عنوان یکی از شاخه های مهم پردازش تصویر مطرح می شود. در این پایان نامه یکی از بهترین روش های حذف نویز با عنوان حذف نویز به روش تطبیق بلوک و فیلتر سه بعدی (block matching and three dimentional filtering: bm3d) جهت مطالعه و بهبود ...

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