نتایج جستجو برای: thin

تعداد نتایج: 127366  

Journal: :The Journal of Thoracic and Cardiovascular Surgery 2018

1999
Steven Caulkin Susan M. Astley

We describe a model-based method of generating realistic mass lesions and placing them in appropriate locations on normal mammogram backgrounds. These lesions are highly irregular in shape and have no consistent internal landmarks. Thin plate splines are used both in modelling the background to each lesion, and to warp examples when training an appearance model.

Journal: :Chemical communications 2009
Saad A Hasan Dustin W Kavich James H Dickerson

Sacrificial layer electrophoretic deposition (SLED) is a technique to assemble nanoparticles that yields free-standing, multilayered nanoparticle films with macroscopic lateral dimensions after the sacrificial layer is dissolved.

2016
Ruoyu Zhang Hehe Wei Wenjie Si Gang Ou Chunsong Zhao Mingjun Song Cheng Zhang Hui Wu

Large-scale growth of low-cost, efficient, and durable non-noble metal-based electrocatalysts for water splitting is crucial for future renewable energy systems. Atomic layer deposition (ALD) provides a promising route for depositing uniform thin coatings of electrocatalysts, which are useful in many technologies, including the splitting of water. In this communication, we report the growth of ...

Journal: :Microelectronics Reliability 2002
Adelmo Ortiz-Conde Francisco J. García-Sánchez Juin J. Liou Antonio Cerdeira Magali Estrada Y. Yue

The threshold voltage value, which is the most important electrical parameter in modeling MOSFETs, can be extracted from either measured drain current or capacitance characteristics, using a single or more transistors. Practical circuits based on some of the most common methods are available to automatically and quickly measure the threshold voltage. This article reviews and assesses several of...

Journal: :Journal of chromatography. A 2003
Yonghao Zhang David R Emerson Jason M Reese

Recently, magnetic split-flow thin (SPLITT) fractionation has been developed to separate macromolecules, colloids, cells and particles. However, the previous theory, developed for an infinitely long channel, needs to be improved to consider the flow transit regimes at both inlet and outlet. In this paper, we describe a new approach to optimising flow-rates for particle separation which consider...

Bahram Mellatnavaz Hadi Adelkhani, Hossein Roohi Mansoor Noorbakhsh

As we know sol-gel is one of the most important techniques for thin film preparation. In this paper, high transmission silica thin films have been prepared by dip-coating process from a new silicon-alkoxide solution. The prepared sol was stable for 45 days which is very important to characterize the coating process. The optical properties as a function of aging time, withdrawal rate, and he...

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