نتایج جستجو برای: deposition rates

تعداد نتایج: 523581  

Journal: :Journal of Thermal Spray Technology 2023

Abstract In the past few years, Extreme High-Speed Laser Application (EHLA) process has been used as a coating technology alongside conventional processes due to its unique characteristics and an economical sustainable alternative traditional technologies. Compared other LMD processes, main energy input is into powder material instead of substrate. This potentiates achievement significantly hig...

Journal: :Atmosphere 2021

Dust and atmospheric particles have been described in southwestern Iran primarily terms of load, concentration transport. The passive deposition, however, has discussed inadequately. Therefore, the relationships between different climate zones dust deposition rates were quantified 2014 2017 using both space- (second modern-era retrospective analysis for research applications, version 2 reanalys...

2015
Xuemin He Guanghui Lv Lu Qin Shunli Chang Min Yang Jianjun Yang Xiaodong Yang Ben Bond-Lamberty

One of the primary limiting factors for biological activities in desert ecosystems is nitrogen (N). This study therefore examined the effects of N and investigated the responses of an arid ecosystem to global change. We selected the typical desert plant Populus euphratica in a desert ecosystem in the Ebinur Lake area to evaluate the effects of N deposition on desert soil respiration. Three leve...

2016
A R Baker W M Landing E Bucciarelli M Cheize S Fietz C T Hayes D Kadko P L Morton N Rogan G Sarthou R U Shelley Z Shi A Shiller M M P van Hulten

The importance of the atmospheric deposition of biologically essential trace elements, especially iron, is widely recognized, as are the difficulties of accurately quantifying the rates of trace element wet and dry deposition and their fractional solubility. This paper summarizes some of the recent progress in this field, particularly that driven by the GEOTRACES, and other, international resea...

2004
GREGORY FERNANDES Michael Bevan David Ford Richard Crooks Gregory Fernandes

Preliminary Studies of the Influence of Forces and Kinetics on Interfacial Colloidal Assembly. (August 2004) Gregory Fernandes, B.E., Mumbai University Chair of Advisory Committee: Dr.Michael Bevan In this research we illustrate how particle-particle and particle-substrate interactions affect structure in interfacial colloidal systems. A number of tools are used to quantify characteristics of d...

2009
E. R. Cleveland L. Henn-Lecordier I. Perez

In exploiting nanostructures for applications such as energy devices, conformal coatings are playing an increasingly crucial role. Atomic layer deposition (ALD) is receiving responsibility for the most demanding deposition in nanotechnology, especially in terms of conformality due to its self-limiting surface reactions. In this work, we investigate the effects of reactant dosage on deposition r...

Journal: :AJNR. American journal of neuroradiology 1997
M Izumi K Eguchi H Nakamura S Nagataki T Nakamura

PURPOSE To investigate abnormal fat deposition in the major salivary glands associated with Sjögren syndrome. METHODS We analyzed the fat deposition in the parotid and submandibular glands of 33 patients with Sjögren syndrome by using short-inversion-time inversion recovery (STIR) and fat-saturation MR sequences and CT values. RESULTS All three in vivo techniques substantially confirmed pre...

2005
D. Mataras

The effect of various process parameters on the deposition rate of microcrystalline hydrogenated silicon is presented. The various pathways leading to high deposition rates involve the optimization of a combination of parameters, while maintaining the crystalline character of the film and avoiding the presence of particles. The deposition rate increases in conditions that enhance and at the sam...

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