نتایج جستجو برای: frequency of molds

تعداد نتایج: 21192000  

2003
Nimit Chomnawang Jeong-Bong Lee Wendell Alan Davis

Wendell Alan Davis University of Texas at Arlington Department of Electrical Engineering Arlington, Texas 76011 Abstract. We present the design, fabrication, and characterization of surface micromachined on-chip 3-D air-core arch-shape solenoid microinductors. Combinations of unique surface micromachining fabrication process techniques, such as deformation of polymeric sacrifical molds and conf...

Journal: :Agricultural and Biological Chemistry 1961

Journal: :Pattern Recognition 2010
Bozhao Tan Stephanie Schuckers

Biometric fingerprint scanners are positioned to provide improved security in a great span of applications from government to private. However, one highly publicized vulnerability is that it is possible to spoof a variety of fingerprint scanners using artificial fingers made from Play-Doh, gelatin and silicone molds. Therefore, it is necessary to offer protection for fingerprint systems against...

2017
A. Kampker K. Kreisköther C. Reinders

Since additive manufacturing technologies constantly advance, the use of this technology in mold making seems reasonable. Many manufacturers of additive manufacturing machines, however, do not offer any suggestions on how to parameterize the machine to achieve optimal results for mold making. The purpose of this research is to determine the interdependencies of different materials and parameter...

2016
Bruno Marroig Marco Antonio Q. R. Fortes Marco Pereira-Sampaio Francisco J. B. Sampaio Luciano A. Favorito

Introduction and objectives: Flexible ureteroscopy is a common procedure nowadays. Most of the training programs use virtual reality simulators. The aim of this study was to standardize the building of a three-dimensional silicone mold (cavity) of the collecting system, on the basis of polyester resin endocasts, which can be used in surgical training programs. Materials and Methods: A yellow po...

Journal: :Journal of Chemical Education 1948

2013
Emel Ceylan Sibel Doruk Sebahat Genc Ayşe Aydan Ozkutuk Fisun Karadag Gul Ergor Bahriye Oya Itil Arif Hikmet Cımrın

BACKGROUND The effect of mold fungi to allergic sensitization is not well-known. We aimed to evaluate the role of molds in the relation between indoor environment and atopy in asthmatics. MATERIALS AND METHODS The air samples obtained from 66 stable asthmatics and 35 control subject's houses were sprayed into Sabouraud dextrose agar. Allergy skin testing were performed in both groups. The tem...

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